/* YardsCalculator.com — Global Design System */

:root {
  --primary: #F97316;
  --primary-light: #FB923C;
  --navy: #0F172A;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --muted: #64748B;
  --border: #E2E8F0;
  --success: #16A34A;
  --gradient: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
  --radius: 12px;
  --radius-lg: 16px;
  --header-h: 72px;
  --sticky-offset: calc(var(--header-h) + 1.25rem);
  --transition: 0.2s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--sticky-offset);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--navy);
  background: var(--bg);
  overflow-x: hidden;
}

/* Mobile UX + PageSpeed helpers (safe site-wide) */
input[type="number"],
input[type="text"],
input[type="tel"],
input[type="email"],
select,
textarea {
  font-size: 16px !important; /* prevents iOS zoom-on-focus */
}

a,
button,
input,
select,
label,
[role="button"] {
  touch-action: manipulation;
}

* {
  -webkit-tap-highlight-color: transparent;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
}

iframe {
  aspect-ratio: 16 / 9;
  width: 100%;
  height: auto;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-light);
}

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  margin-top: 0;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.content-narrow {
  max-width: 800px;
}

.visually-hidden,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 10000;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  clip: auto;
  background: var(--navy);
  color: var(--white);
  border-radius: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
}

.btn-primary:hover {
  color: var(--white);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--navy);
  border-radius: 10px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn-icon:hover {
  background: var(--bg);
  color: var(--primary);
}

.btn:focus-visible,
.btn-icon:focus-visible,
.search-close:focus-visible,
.link-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(249, 115, 22, 0.1);
  border-radius: 999px;
  margin-bottom: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--navy);
  text-decoration: none;
  flex-shrink: 0;
}

.brand:hover {
  color: var(--navy);
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 10px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--muted);
  max-width: 180px;
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link,
.dropdown-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.875rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--navy);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  border-radius: 8px;
  transition: color var(--transition);
}

.nav-link::after,
.dropdown-toggle::after {
  content: '';
  position: absolute;
  left: 0.875rem;
  right: 0.875rem;
  bottom: 0.25rem;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-link:hover,
.dropdown-toggle:hover,
.nav-item.is-open .dropdown-toggle {
  color: var(--primary);
}

.nav-link:hover::after,
.dropdown-toggle:hover::after,
.nav-item.is-open .dropdown-toggle::after {
  transform: scaleX(1);
}

.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  min-width: 220px;
  max-height: min(70vh, 28rem);
  padding: 0.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.dropdown-menu--wide {
  min-width: 260px;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown.is-open .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
  border-radius: 8px;
  text-decoration: none;
}

.dropdown-menu a:hover {
  background: var(--bg);
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-header-cta {
  display: none;
}

.btn-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 10px;
}

.btn-hamburger span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.btn-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.btn-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.btn-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Search overlay */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(15, 23, 42, 0.5);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: calc(var(--header-h) + 1rem);
}

.search-overlay[hidden] {
  display: none;
}

.search-overlay-inner {
  position: relative;
  width: 100%;
  max-width: 600px;
}

.search-form {
  display: flex;
  gap: 0.5rem;
  background: var(--white);
  padding: 0.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.search-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.search-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--white);
  background: transparent;
  border: none;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 3rem 0 4rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(249, 115, 22, 0.08), transparent),
    var(--bg);
}

.hero.hero-compact {
  padding: 1.75rem 0 2.25rem;
}

.hero.hero-compact .hero-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.hero.hero-compact .hero-subtitle {
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.hero.hero-compact .hero-actions {
  margin-bottom: 1.25rem;
}

.hero.hero-compact .trust-indicators {
  gap: 0.5rem 0.75rem;
}

.hero.hero-compact .calc-preview-card {
  padding: 1.25rem;
}

.category-count {
  display: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.trust-indicators {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1rem;
}

.trust-indicators li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
}

.trust-indicators svg {
  flex-shrink: 0;
  color: var(--success);
}

/* Calculator preview card */
.hero-calculator-wrap {
  position: relative;
}

.calc-preview-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.calc-preview-header h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.calc-preview-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.calc-preview-form {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1rem;
}

.calc-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  color: var(--navy);
}

.input-group {
  display: flex;
  gap: 0.5rem;
}

.input-group input {
  flex: 1;
  min-width: 0;
  padding: 0.625rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.input-group select {
  padding: 0.625rem 0.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.calc-results {
  background: var(--navy);
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--white);
  transition: transform 0.3s ease;
}

.calc-results.updated {
  transform: scale(1.02);
}

.result-primary {
  text-align: center;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-primary .result-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.25rem;
}

.result-primary .result-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  transition: opacity 0.2s ease;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  text-align: center;
}

.result-item .result-label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.25rem;
}

.result-value-sm {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.calc-preview-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--muted);
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  gap: 1.25rem;
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Calculator cards */
.calc-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.calc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary);
  color: inherit;
}

.calc-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--primary);
}

.calc-card-icon svg {
  width: 48px;
  height: 48px;
}

.calc-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.calc-card p {
  flex: 1;
  font-size: 0.9375rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.card-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

/* Category cards */
.category-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(249, 115, 22, 0.4);
  color: inherit;
}

.category-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.category-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.category-card p {
  flex: 1;
  font-size: 0.875rem;
  color: var(--muted);
}

.category-count {
  margin-top: 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
}

/* Guide cards */
.guide-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.guide-card:hover {
  box-shadow: var(--shadow-md);
}

.guide-thumb {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, #334155 0%, #0F172A 100%);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  overflow: hidden;
  transition: transform 0.4s ease;
}

.guide-card:hover .guide-thumb {
  transform: scale(1.03);
}

.guide-thumb-gravel {
  background: linear-gradient(135deg, #78716c 0%, #44403c 100%);
}

.guide-thumb-thickness {
  background: linear-gradient(135deg, #64748b 0%, #334155 100%);
}

.guide-thumb-asphalt {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.guide-thumb-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.8);
}

.guide-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.guide-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(249, 115, 22, 0.12);
  color: var(--primary);
  border-radius: 4px;
  margin-right: 0.5rem;
}

.guide-time {
  font-size: 0.8125rem;
  color: var(--muted);
}

.guide-body h3 {
  font-size: 1.0625rem;
  margin: 0.75rem 0 0.5rem;
}

.guide-body h3 a {
  color: var(--navy);
  text-decoration: none;
}

.guide-body h3 a:hover {
  color: var(--primary);
}

.guide-body p {
  font-size: 0.9375rem;
  color: var(--muted);
}

.guide-cta {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
}

/* SEO content */
.seo-content-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.seo-content-section h2 {
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  margin-bottom: 1.25rem;
}

.seo-content-section h3 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.seo-content-section p {
  color: #334155;
}

.formula-block {
  padding: 1rem 1.25rem;
  background: var(--bg);
  border-left: 4px solid var(--primary);
  border-radius: 0 8px 8px 0;
  font-size: 0.9375rem;
}

.seo-content-section a {
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* FAQ */
.faq-section {
  background: var(--bg);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: color var(--transition);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--primary);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary:hover {
  color: var(--primary);
}

.faq-answer {
  padding: 0 1.25rem 1.25rem;
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-bottom: 0;
}

/* Reduce layout shift as results populate */
.cc-results-hero,
.sc-results-hero,
.cc-results,
.result-grid,
.detailed-results {
  min-height: 120px;
}

@media (max-width: 768px) {
  /* Keep unit dropdowns usable on mobile */
  .input-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    min-height: 48px;
  }

  .input-group input,
  .calc-field input {
    min-height: 48px;
    padding: 10px 12px;
    min-width: 0;
  }

  .input-group select,
  .calc-field select {
    min-height: 48px;
    font-size: 16px;
    width: 80px;
    flex-shrink: 0;
    padding: 0 6px;
  }

  /* Bigger tap targets inside calculators */
  .calc-tool-actions .btn,
  .example-card .btn,
  .calc-tool-form button {
    min-height: 48px;
    font-size: 16px;
    touch-action: manipulation;
  }

  /* Typography tweaks */
  h1 { font-size: clamp(22px, 5.5vw, 32px); line-height: 1.25; }
  h2 { font-size: clamp(18px, 4.5vw, 26px); line-height: 1.3; }
  h3 { font-size: clamp(16px, 4vw, 22px); }
  p, li { font-size: 16px; line-height: 1.7; }

  p, li, td, th, h1, h2, h3 {
    word-break: break-word;
    overflow-wrap: break-word;
  }

  /* Tables scroll horizontally on mobile */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
  }

  /* Sticky bars: reserve space to avoid overlap */
  main {
    padding-bottom: calc(84px + env(safe-area-inset-bottom));
  }

  .sc-mobile-sticky,
  .rm-mobile-sticky,
  .exc-mobile-sticky {
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
  }
}

/* CTA banner */
.cta-banner {
  padding: 3rem 0;
}

.cta-banner-inner {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--navy);
  border-radius: var(--radius-lg);
  color: var(--white);
}

.cta-banner-inner h2 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: 0.5rem;
}

.cta-banner-inner p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  transition: background var(--transition), color var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-col h3 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
}

.trust-statement {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  max-width: 560px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-calculator-wrap {
    max-width: 440px;
    margin-inline: auto;
  }

  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .hero.hero-compact .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .hero.hero-compact .hero-calculator-wrap {
    order: -1;
    max-width: none;
    width: 100%;
  }

  .hero.hero-compact .hero-subtitle,
  .hero.hero-compact .hero-actions,
  .hero.hero-compact .trust-indicators {
    display: none;
  }

  .hero.hero-compact {
    padding: 1rem 0 1.5rem;
  }

  .hero.hero-compact .hero-content h1 {
    font-size: clamp(1.2rem, 5vw, 1.5rem);
    margin-bottom: 0;
  }
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1001;
  border: none;
  padding: 0;
  margin: 0;
  background: rgba(15, 23, 42, 0.55);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-head {
  display: none;
}

.nav-group-label span {
  display: block;
  padding: 0.625rem 0.75rem 0.25rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  pointer-events: none;
}

@media (min-width: 901px) {
  .nav-group-label {
    display: none;
  }
}

@media (max-width: 900px) {
  .brand-tagline {
    display: none;
  }

  /* Nav drawer is portaled to <body> — hide the empty header slot */
  .site-header .main-nav {
    display: none !important;
  }

  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--white);
  }

  .mobile-nav-head {
    display: block;
    padding: 0.25rem 0 1rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
  }

  .mobile-nav-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.02em;
  }

  .mobile-nav-sub {
    margin: 0.2rem 0 0;
    font-size: 0.8125rem;
    color: var(--muted);
  }

  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 100vw;
    background: var(--white);
    padding: calc(var(--header-h) + env(safe-area-inset-top, 0) + 0.5rem) 1.25rem calc(1.5rem + env(safe-area-inset-bottom, 0));
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    justify-content: flex-start;
    z-index: 1002;
    flex: none;
    box-shadow: -8px 0 32px rgba(15, 23, 42, 0.12);
    visibility: hidden;
    pointer-events: none;
  }

  body > .main-nav {
    display: flex;
    flex-direction: column;
  }

  body > .main-nav:not(.is-open) {
    transform: translate3d(100%, 0, 0);
    clip-path: inset(0 0 0 100%);
  }

  .main-nav.is-open {
    transform: translate3d(0, 0, 0);
    clip-path: none;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 0;
  }

  .nav-item.has-dropdown {
    border-bottom: 1px solid var(--border);
  }

  .nav-item.has-dropdown:last-child {
    border-bottom: none;
  }

  .nav-link,
  .dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 0.875rem 0.5rem;
    font-size: 1rem;
    border-radius: 8px;
    gap: 0.75rem;
  }

  .nav-link::after {
    display: none;
  }

  .dropdown-toggle::after {
    content: '';
    display: block;
    flex-shrink: 0;
    width: 0.5rem;
    height: 0.5rem;
    margin-left: auto;
    border: none;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    background: none;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    position: static;
    left: auto;
    right: auto;
    bottom: auto;
    top: auto;
  }

  .has-dropdown.is-open .dropdown-toggle {
    color: var(--primary);
    background: rgba(249, 115, 22, 0.06);
  }

  .has-dropdown.is-open .dropdown-toggle::after {
    transform: rotate(-135deg);
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0.75rem 0.25rem;
    display: none;
    background: transparent;
    max-height: none;
    overflow: visible;
  }

  .has-dropdown.is-open .dropdown-menu {
    display: block;
  }

  .has-dropdown:hover .dropdown-menu {
    display: none;
  }

  .has-dropdown.is-open:hover .dropdown-menu {
    display: block;
  }

  .dropdown-menu a {
    padding: 0.625rem 0.75rem;
    font-size: 0.9375rem;
  }

  .dropdown-menu a[aria-current="page"] {
    background: rgba(249, 115, 22, 0.1);
    color: var(--primary);
    font-weight: 600;
  }

  .btn-hamburger {
    display: flex;
  }

  .btn-header-cta {
    display: none;
  }

  body.nav-open {
    overflow: hidden;
    touch-action: none;
  }

  body.nav-open .site-header {
    z-index: 1003;
    box-shadow: var(--shadow-sm);
  }

  body.nav-open main,
  body.nav-open .breadcrumbs {
    pointer-events: none;
  }

  .calc-advanced-grid,
  [class*='-inputs-grid'] {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 2rem 0 3rem;
  }

  .trust-indicators {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .card-grid-2,
  .card-grid-3 {
    grid-template-columns: 1fr;
  }

  .result-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .calc-preview-card {
    animation: none;
  }

  .section {
    padding: 3rem 0;
  }
}

@media (min-width: 901px) {
  .btn-header-cta {
    display: inline-flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .calc-preview-card {
    animation: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* ——— Calculator tool pages (concrete, gravel, etc.) ——— */
.page-concrete .breadcrumbs,
.page-gravel .breadcrumbs,
.page-mulch .breadcrumbs,
.page-topsoil .breadcrumbs,
.page-fill-dirt .breadcrumbs,
.page-sand .breadcrumbs,
.page-asphalt .breadcrumbs,
.page-roof-pitch .breadcrumbs,
.page-drywall .breadcrumbs,
.page-cubic-yard .breadcrumbs {
  padding: 0.75rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.page-gravel .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%, rgba(100, 116, 139, 0.12), transparent),
    radial-gradient(ellipse 50% 40% at 20% 0%, rgba(249, 115, 22, 0.06), transparent),
    var(--bg);
}

.gc-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.gc-mobile-sticky.is-visible {
  transform: translateY(0);
}

.gc-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.gc-diagram-fill {
  fill: url(#gravelFillGrad);
  opacity: 0.85;
}

.page-mulch .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 75% 0%, rgba(22, 163, 74, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 15% 0%, rgba(249, 115, 22, 0.06), transparent),
    var(--bg);
}

.mc-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.mc-mobile-sticky.is-visible {
  transform: translateY(0);
}

.mc-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.mc-diagram-mulch {
  fill: url(#mulchFillGrad);
  opacity: 0.9;
}

.page-topsoil .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 75% 0%, rgba(120, 113, 108, 0.1), transparent),
    radial-gradient(ellipse 50% 40% at 20% 0%, rgba(22, 163, 74, 0.07), transparent),
    var(--bg);
}

.ts-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.ts-mobile-sticky.is-visible {
  transform: translateY(0);
}

.ts-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.ts-diagram-fill {
  fill: url(#topsoilFillGrad);
  opacity: 0.92;
}

.page-fill-dirt .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%, rgba(120, 53, 15, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 15% 0%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.fd-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.fd-mobile-sticky.is-visible {
  transform: translateY(0);
}

.fd-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.fd-diagram-fill {
  fill: url(#fillDirtGrad);
  opacity: 0.95;
}

.fd-diagram-cut {
  fill: url(#excavationGrad);
  opacity: 0.85;
}

.page-sand .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 78% 0%, rgba(234, 179, 8, 0.1), transparent),
    radial-gradient(ellipse 50% 40% at 18% 0%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.sc-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sc-mobile-sticky.is-visible {
  transform: translateY(0);
}

.sc-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.sc-diagram-sand {
  fill: url(#sandLayerGrad);
  opacity: 0.95;
}

.sc-diagram-pavers {
  fill: #94A3B8;
  stroke: #64748B;
  stroke-width: 0.5;
  opacity: 0.9;
}

.page-asphalt .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 75% 0%, rgba(30, 41, 59, 0.12), transparent),
    radial-gradient(ellipse 50% 40% at 20% 0%, rgba(249, 115, 22, 0.08), transparent),
    var(--bg);
}

.ac-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.ac-mobile-sticky.is-visible {
  transform: translateY(0);
}

.ac-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.ac-diagram-asphalt {
  fill: url(#asphaltLayerGrad);
  opacity: 0.96;
}

.page-roof-pitch .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 78% 0%, rgba(30, 58, 138, 0.1), transparent),
    radial-gradient(ellipse 50% 40% at 18% 0%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.page-roof-pitch .calc-tool-inputs {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 520px) {
  .page-roof-pitch .calc-tool-inputs {
    grid-template-columns: 1fr;
  }
}

.rp-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.rp-mobile-sticky.is-visible {
  transform: translateY(0);
}

.rp-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.rp-diagram-line {
  stroke-width: 2.5;
}

.rp-diagram-rise {
  stroke: #F97316;
}

.rp-diagram-run {
  stroke: #64748B;
}

.rp-diagram-rafter {
  stroke: #0F172A;
  stroke-dasharray: 6 4;
}

.rp-diagram-fill {
  fill: rgba(249, 115, 22, 0.12);
  stroke: #F97316;
  stroke-width: 1.5;
}

.field-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.page-drywall .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 78% 0%, rgba(249, 115, 22, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 18% 0%, rgba(15, 23, 42, 0.06), transparent),
    var(--bg);
}

.page-drywall .calc-tool-inputs {
  grid-template-columns: repeat(2, 1fr);
}

.page-drywall .cc-hero-row {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 640px) {
  .page-drywall .cc-hero-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .page-drywall .calc-tool-inputs {
    grid-template-columns: 1fr;
  }
}

.dw-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.dw-mobile-sticky.is-visible {
  transform: translateY(0);
}

.dw-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.dw-diagram-room {
  fill: rgba(248, 250, 252, 0.9);
  stroke: #94A3B8;
  stroke-width: 1.5;
}

.dw-diagram-ceiling {
  fill: rgba(249, 115, 22, 0.1);
  stroke: #F97316;
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}

.dw-diagram-panel {
  fill: #FFFFFF;
  stroke: #F97316;
  stroke-width: 1;
}

.page-category .category-hero,
.page-blog-index .category-hero {
  padding: 2.5rem 0 1.5rem;
}

.category-lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 42rem;
  margin: 0.75rem 0 0;
}

.page-category .breadcrumbs,
.page-blog .breadcrumbs,
.page-legal .breadcrumbs,
.page-tool-stub .breadcrumbs {
  padding: 0.75rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.page-tool-stub .category-hero {
  padding: 2rem 0;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
}

.breadcrumb-list li:not(:last-child)::after {
  content: '/';
  margin-left: 0.35rem;
  color: var(--border);
}

.breadcrumb-list a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb-list a:hover {
  color: var(--primary);
}

.breadcrumb-list li:last-child {
  color: var(--navy);
  font-weight: 500;
}

.calc-page-hero {
  padding: 2rem 0 2.5rem;
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.calc-page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Desktop: left column stacks intro + diagram + detail; calculator stays in right column */
@media (min-width: 1025px) {
  .calc-page-hero-grid {
    align-items: start;
  }

  .calc-page-left {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
  }

  .calc-page-hero-grid > .calc-tool-wrapper {
    align-self: start;
    min-width: 0;
  }
}

/* Content below hero must follow normal document flow (no overlap with calculator) */
.calc-page-hero + .section,
.calc-page-hero + .examples-section {
  position: relative;
  z-index: 0;
  background: var(--bg);
}

.calc-page-intro h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.calc-page-lead {
  font-size: 1.0625rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.trust-indicators-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
}

.trust-indicators-compact li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
}

.trust-indicators-compact svg {
  color: var(--success);
  flex-shrink: 0;
}

.glass-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.calc-tool-card {
  padding: 1.5rem;
}

.calc-tool-header h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.calc-tool-sub {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.calc-tool-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
}

.calc-advanced {
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.calc-advanced-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--muted);
}

.calc-advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.calc-field-full {
  grid-column: 1 / -1;
}

.calc-advanced .calc-field-full select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  grid-column: 1 / -1;
}

.calc-field-inline input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.calc-advanced .calc-field select,
.calc-advanced .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.calc-tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cc-results-hero {
  margin-top: 1.25rem;
  padding: 1.25rem;
  background: var(--navy);
  border-radius: var(--radius);
  color: var(--white);
  transition: transform 0.3s ease;
}

.cc-results-hero.updated {
  transform: scale(1.01);
}

.cc-hero-metric {
  text-align: center;
  margin-bottom: 1rem;
}

.cc-hero-metric .result-label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.55);
}

.cc-hero-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
}

.cc-hero-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  text-align: center;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.cc-hero-row .result-label {
  display: block;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
}

.progress-wrap {
  margin-top: 0.5rem;
}

.progress-label {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  margin-bottom: 0.35rem;
}

.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  background: var(--gradient);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.section-sm {
  padding: 2rem 0 3rem;
}

.calc-workspace-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.slab-diagram-card {
  padding: 1.25rem;
}

.diagram-title {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.slab-diagram {
  width: 100%;
  height: auto;
}

.diagram-label {
  font-size: 11px;
  fill: var(--navy);
  font-family: var(--font);
  font-weight: 600;
}

.diagram-title-svg {
  font-size: 10px;
  fill: var(--muted);
  font-family: var(--font);
}

.cc-results-detail {
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.cc-results-detail h2 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.results-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.result-detail-item {
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 8px;
}

.result-detail-item span {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.result-detail-item strong {
  font-size: 1.0625rem;
  color: var(--navy);
}

.result-detail-item.highlight {
  grid-column: 1 / -1;
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.2);
}

.result-detail-item.highlight strong {
  color: var(--primary);
  font-size: 1.25rem;
}

.example-card {
  padding: 1.5rem;
}

.example-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.example-card p {
  font-size: 0.875rem;
  color: var(--muted);
}

.example-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 8px;
}

.example-stats dt {
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--muted);
}

.example-stats dd {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
}

.formula-display {
  text-align: center;
  padding: 1.5rem;
  margin: 1.5rem 0;
  background: var(--navy);
  border-radius: var(--radius);
  color: var(--white);
}

.formula-large {
  display: block;
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.formula-note {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
}

.section-intro {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: -1rem auto 1.5rem;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.data-table th,
.data-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  background: var(--bg);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.mistakes-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mistakes-list li {
  padding: 1rem 0 1rem 1.25rem;
  border-left: 3px solid var(--primary);
  margin-bottom: 1rem;
  background: var(--white);
  border-radius: 0 8px 8px 0;
  box-shadow: var(--shadow-sm);
}

.mistakes-list li strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--navy);
}

.page-seo-content h3 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: 0.8125rem;
}

.cc-mobile-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cc-mobile-sticky.is-visible {
  transform: translateY(0);
}

.cc-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.cc-mobile-sticky .result-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
}

@media (max-width: 1024px) {
  /* Calculator-first: tool on top, compact context below */
  .breadcrumbs {
    display: none;
  }

  .calc-page-hero {
    padding: 0.75rem 0 1.5rem;
  }

  .calc-page-hero-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .calc-page-left {
    display: contents;
  }

  .calc-page-hero-grid > .calc-tool-wrapper {
    order: 1;
  }

  .calc-page-hero-grid > .calc-page-intro,
  .calc-page-left .calc-page-intro {
    order: 2;
  }

  .calc-page-left .slab-diagram-card,
  .calc-page-left .diagram-card,
  .calc-diagram-panel {
    order: 3;
  }

  .calc-page-left .cc-results-detail {
    order: 4;
    display: none;
  }

  .calc-page-hero-grid > .calc-tool-wrapper,
  .calc-tool-form {
    scroll-margin-top: calc(var(--header-h) + 0.5rem);
  }

  /* Inputs → live results → advanced (form flattened into card grid) */
  .calc-tool-card {
    display: grid;
    gap: 1rem;
    grid-template-areas:
      "head"
      "inputs"
      "results"
      "advanced";
  }

  .calc-tool-form {
    display: contents;
  }

  .calc-tool-header {
    grid-area: head;
  }

  .calc-tool-inputs {
    grid-area: inputs;
    margin-bottom: 0;
  }

  .cc-results-hero {
    grid-area: results;
    margin-top: 0;
  }

  .calc-advanced-panel,
  .calc-advanced {
    grid-area: advanced;
  }

  .calc-tool-header[data-mobile-title]::before {
    content: attr(data-mobile-title);
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--primary);
    margin-bottom: 0.25rem;
  }

  .calc-tool-header h2 {
    font-size: 1.125rem;
  }

  .calc-tool-sub {
    margin-bottom: 0.75rem;
  }

  .calc-page-intro .badge {
    display: none;
  }

  .calc-page-intro h1 {
    font-size: 1.375rem;
    margin-bottom: 0.5rem;
  }

  .calc-intro-more,
  .calc-advanced-panel,
  .calc-diagram-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    overflow: hidden;
  }

  .calc-intro-more summary,
  .calc-advanced-panel summary,
  .calc-diagram-panel summary {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .calc-intro-more summary::-webkit-details-marker,
  .calc-advanced-panel summary::-webkit-details-marker,
  .calc-diagram-panel summary::-webkit-details-marker {
    display: none;
  }

  .calc-intro-more summary::after,
  .calc-advanced-panel summary::after,
  .calc-diagram-panel summary::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid var(--muted);
    border-bottom: 2px solid var(--muted);
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    flex-shrink: 0;
  }

  .calc-intro-more[open] summary::after,
  .calc-advanced-panel[open] summary::after,
  .calc-diagram-panel[open] summary::after {
    transform: rotate(-135deg);
  }

  .calc-intro-more > :not(summary),
  .calc-advanced-panel > :not(summary) {
    padding: 0 1rem 1rem;
  }

  .calc-diagram-panel > .slab-diagram-card {
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0 1rem 1rem;
    background: transparent;
  }

  .calc-diagram-panel .diagram-title {
    display: none;
  }

  .calc-workspace-grid {
    grid-template-columns: 1fr;
  }

  .page-concrete main,
  .page-gravel main,
  .page-mulch main,
  .page-topsoil main,
  .page-fill-dirt main,
  .page-sand main,
  .page-asphalt main,
  .page-roof-pitch main,
  .page-drywall main,
  .page-cubic-yard main {
    padding-bottom: 5rem;
  }

  .calc-mobile-fab {
    display: flex;
  }
}

/* Floating action: jump back to calculator when scrolled away */
.calc-mobile-fab {
  display: none;
  position: fixed;
  right: 1rem;
  bottom: calc(4.75rem + env(safe-area-inset-bottom, 0));
  z-index: 850;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 1rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--white);
  background: var(--primary);
  border: none;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.45);
  cursor: pointer;
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.calc-mobile-fab.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.calc-mobile-fab svg {
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .calc-page-hero {
    padding: 0.5rem 0 1.25rem;
  }

  .calc-page-intro h1 {
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
  }

  .calc-page-lead {
    font-size: 0.9375rem;
    margin-bottom: 0.75rem;
  }

  .calc-tool-card {
    padding: 1rem;
  }

  /* 44px+ touch targets (Apple HIG / Material) */
  .calc-tool-inputs .input-group input,
  .calc-tool-inputs .input-group select {
    min-height: 48px;
    font-size: 1.0625rem;
  }

  /* Inputs stay single-column on small screens (see mobile viewport fixes at end of file) */

  .cc-hero-value {
    font-size: 2rem;
  }

  .calc-advanced-grid {
    grid-template-columns: 1fr;
  }

  .cc-hero-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .results-detail-grid {
    grid-template-columns: 1fr;
  }

  .trust-indicators-compact {
    grid-template-columns: 1fr;
  }

  .cc-mobile-sticky,
  .gc-mobile-sticky,
  .mc-mobile-sticky,
  .ts-mobile-sticky,
  .fd-mobile-sticky,
  .sc-mobile-sticky,
  .ac-mobile-sticky,
  .rp-mobile-sticky,
  .dw-mobile-sticky,
  .cyd-mobile-sticky,
  .bw-mobile-sticky,
  .mx-mobile-sticky,
  .st-mobile-sticky,
  .rt-mobile-sticky {
    display: block;
  }

  .cc-mobile-sticky-inner,
  .gc-mobile-sticky-inner,
  .mc-mobile-sticky-inner,
  .ts-mobile-sticky-inner,
  .fd-mobile-sticky-inner,
  .sc-mobile-sticky-inner,
  .ac-mobile-sticky-inner,
  .rp-mobile-sticky-inner,
  .dw-mobile-sticky-inner,
  .cyd-mobile-sticky-inner,
  .bw-mobile-sticky-inner,
  .mx-mobile-sticky-inner,
  .st-mobile-sticky-inner,
  .rt-mobile-sticky-inner {
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  .gc-mobile-sticky strong,
  .cc-mobile-sticky strong,
  .mc-mobile-sticky strong,
  .ts-mobile-sticky strong,
  .fd-mobile-sticky strong,
  .sc-mobile-sticky strong,
  .ac-mobile-sticky strong,
  .rp-mobile-sticky strong,
  .dw-mobile-sticky strong,
  .bw-mobile-sticky strong,
  .mx-mobile-sticky strong,
  .st-mobile-sticky strong,
  .rt-mobile-sticky strong {
    font-size: 1.0625rem;
    color: var(--navy);
  }

  .gc-mobile-sticky .btn,
  .cc-mobile-sticky .btn,
  .mc-mobile-sticky .btn,
  .ts-mobile-sticky .btn,
  .fd-mobile-sticky .btn,
  .sc-mobile-sticky .btn,
  .ac-mobile-sticky .btn,
  .rp-mobile-sticky .btn,
  .dw-mobile-sticky .btn,
  .bw-mobile-sticky .btn,
  .mx-mobile-sticky .btn,
  .st-mobile-sticky .btn,
  .rt-mobile-sticky .btn {
    min-height: 44px;
    padding: 0.5rem 1rem;
    flex-shrink: 0;
  }

  .sc-mobile-sticky .btn-sm {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

.footer-mini-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.footer-mini-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-mini-links a:hover {
  color: var(--primary);
}

.footer-mini-sep {
  color: var(--border);
  user-select: none;
}

.cta-banner-inner .btn + .btn {
  margin-left: 0.75rem;
}

@media (max-width: 640px) {
  .cta-banner-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .cta-banner-inner .btn {
    width: 100%;
    max-width: 280px;
  }

  .cta-banner-inner .btn + .btn {
    margin-left: 0;
  }
}

/* ——— Cubic yard calculator (master volume page) ——— */
.page-cubic-yard .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 50% at 85% 0%, rgba(249, 115, 22, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 10% 0%, rgba(15, 23, 42, 0.04), transparent),
    var(--bg);
}

.page-cubic-yard .cyd-hero-compact .calc-page-lead {
  max-width: 42rem;
}

.cyd-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 0.5rem;
}

.content-meta {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.cyd-material-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 0.15rem;
}

.cyd-material-tabs::-webkit-scrollbar {
  display: none;
}

.cyd-tab {
  flex-shrink: 0;
  padding: 0.5rem 0.875rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.cyd-tab:hover {
  border-color: var(--primary);
  color: var(--navy);
}

.cyd-tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.cyd-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cyd-quick-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0;
  box-shadow: var(--shadow-sm);
}

.cyd-summary-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.cyd-summary-item strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.cyd-summary-item.highlight strong {
  color: var(--primary);
}

.cyd-results-hero .cc-hero-value.result-pulse {
  animation: cydResultPulse 0.35s ease;
}

@keyframes cydResultPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.cyd-coverage-card h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.cyd-coverage-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0.35rem 0 0.5rem;
}

.cyd-coverage-card p:last-child {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0;
}

@media (min-width: 1025px) {
  .page-cubic-yard .cyd-tool-card {
    display: block;
  }

  .page-cubic-yard .cyd-tool-card .calc-tool-form {
    display: block;
  }

  .cyd-tool-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.5rem;
    align-items: start;
  }

  .cyd-results-col .cyd-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .page-cubic-yard .cyd-tool-card {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .page-cubic-yard .cyd-tool-card .calc-tool-form {
    display: block;
  }

  .page-cubic-yard .cyd-tool-card .calc-tool-header {
    order: 0;
  }

  .page-cubic-yard .cyd-material-tabs {
    order: 0;
  }

  .page-cubic-yard .cyd-tool-layout {
    order: 0;
    display: flex;
    flex-direction: column;
  }

  .page-cubic-yard .cyd-inputs-col {
    order: 1;
  }

  .page-cubic-yard .cyd-results-col {
    order: 2;
  }

  .page-cubic-yard .cyd-results-col .cyd-results-hero {
    margin-top: 0;
  }
}

/* ——— Rebar calculator (master reinforcement page) ——— */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -0.25rem;
  padding: 0 0.25rem;
}

.page-rebar .calc-page-hero {
  background:
    radial-gradient(ellipse 65% 45% at 90% 0%, rgba(30, 58, 95, 0.06), transparent),
    radial-gradient(ellipse 50% 40% at 5% 0%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.page-rebar .rb-hero-compact {
  padding: 1.5rem 0 2rem;
}

.page-rebar .rb-hero-compact .calc-page-lead {
  max-width: 40rem;
  margin-bottom: 1rem;
}

.page-rebar .rb-hero-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
}

.rb-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.rb-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 0.15rem;
}

.rb-type-tabs::-webkit-scrollbar {
  display: none;
}

.rb-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.8rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.rb-tab:hover {
  border-color: #1e3a5f;
  color: var(--navy);
}

.rb-tab.is-active {
  background: #1e3a5f;
  border-color: #1e3a5f;
  color: var(--white);
}

.rb-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rb-tool-meta {
  margin-top: 0.75rem;
}

.rb-grid-preview {
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.rb-grid-preview .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.rb-diagram {
  width: 100%;
  height: auto;
  display: block;
}

.rb-quick-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.rb-summary-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.rb-summary-item strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.rb-summary-item.highlight strong {
  color: var(--primary);
}

.rb-results-hero .cc-hero-value.result-pulse {
  animation: cydResultPulse 0.35s ease;
}

.page-rebar .calc-field select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.rb-mobile-sticky {
  display: none;
}

@media (min-width: 1025px) {
  .rb-tool-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: start;
  }

  .rb-results-col .rb-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .page-rebar .rb-hero-grid {
    grid-template-columns: 1fr;
  }

  .page-rebar .calc-page-left {
    order: 0;
  }

  .page-rebar .calc-tool-wrapper {
    order: 1;
  }

  .rb-inputs-col {
    order: 1;
  }

  .rb-results-col {
    order: 2;
  }

  .rb-results-col .rb-results-hero {
    margin-top: 0;
  }

  .rb-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .rb-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .rb-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-rebar main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Rebar weight calculator ——— */
.page-rebar-weight .calc-page-hero {
  background:
    radial-gradient(ellipse 60% 50% at 15% 0%, rgba(249, 115, 22, 0.08), transparent),
    radial-gradient(ellipse 55% 45% at 95% 5%, rgba(30, 58, 95, 0.05), transparent),
    var(--bg);
}

.page-rebar-weight .rw-hero-compact {
  padding: 1.5rem 0 2rem;
}

.page-rebar-weight .rw-hero-grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 1025px) {
  .page-rebar-weight .rw-hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
  }

  .page-rebar-weight .calc-tool-wrapper {
    order: 0;
  }

  .page-rebar-weight .rw-intro-panel {
    order: 1;
    padding-top: 0.5rem;
  }
}

.rw-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rw-tool-meta {
  margin-top: 0.75rem;
}

.rw-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.page-rebar-weight .calc-field select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.page-rebar-weight .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.rw-bar-viz {
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
}

.rw-bar-viz-track {
  height: 8px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.rw-bar-viz-fill {
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, #64748b, #1e3a5f);
  border-radius: 999px;
  transition: width 0.35s ease;
}

.rw-bar-viz-caption {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.5rem 0 0;
  text-align: center;
}

.rw-detail-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  margin-top: 0.75rem;
}

.rw-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.rw-detail-item strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.rw-detail-item.highlight strong {
  color: var(--primary);
}

.rw-results-hero .cc-hero-value.result-pulse {
  animation: cydResultPulse 0.35s ease;
}

.rw-mobile-sticky {
  display: none;
}

@media (min-width: 1025px) {
  .rw-tool-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: start;
  }

  .rw-results-col .rw-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .page-rebar-weight .rw-hero-grid {
    grid-template-columns: 1fr;
  }

  .page-rebar-weight .calc-tool-wrapper {
    order: 0;
  }

  .page-rebar-weight .rw-intro-panel {
    order: 1;
  }

  .rw-inputs-col {
    order: 1;
  }

  .rw-results-col {
    order: 2;
  }

  .rw-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .rw-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .rw-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-rebar-weight main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Rebar grid calculator ——— */
.page-rebar-grid .calc-page-hero {
  background:
    radial-gradient(ellipse 60% 50% at 0% 0%, rgba(30, 58, 95, 0.08), transparent),
    radial-gradient(ellipse 55% 45% at 100% 30%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.page-rebar-grid .rg-hero-compact {
  padding: 1rem 0 1.75rem;
}

.rg-hero-banner {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .rg-hero-banner {
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 0.5rem 1.5rem;
  }

  .rg-hero-text {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .rg-trust {
    grid-column: 2;
    grid-row: 1;
  }

  .rg-hero-cta {
    grid-column: 2;
    grid-row: 2;
  }
}

.rg-hero-text h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.1rem);
  margin: 0.35rem 0 0.5rem;
}

.rg-lead {
  font-size: 0.9375rem;
  margin: 0;
}

.badge-steel {
  background: rgba(71, 85, 105, 0.12);
  color: var(--navy);
  border: 1px solid rgba(71, 85, 105, 0.2);
}

.rg-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rg-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
}

.rg-tool-header {
  margin-bottom: 0.75rem;
}

.rg-tool-header h2 {
  font-size: 1.125rem;
  margin: 0 0 0.25rem;
}

.rg-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.rg-type-tabs::-webkit-scrollbar {
  display: none;
}

.rg-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
}

.rg-tab.is-active {
  background: #475569;
  border-color: #475569;
  color: var(--white);
}

.rg-type-hint {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.rg-mesh-stage {
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}

.rg-mesh-stage .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.rg-diagram {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
}

.rg-spacing-picks {
  margin-bottom: 1rem;
}

.rg-spacing-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.rg-spacing-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.rg-spacing-chip {
  padding: 0.35rem 0.7rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
}

.rg-spacing-chip.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.rg-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rg-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.rg-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.rg-detail-item strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.rg-detail-item.highlight strong {
  color: var(--primary);
}

.rg-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-rebar-grid .calc-field select,
.page-rebar-grid .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.rg-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.rg-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .rg-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .rg-results-col .rg-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .rg-mesh-stage {
    order: 0;
  }

  .rg-spacing-picks {
    order: 1;
  }

  .rg-results-col {
    order: 2;
  }

  .rg-inputs-col {
    order: 3;
  }

  .rg-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .rg-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .rg-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-rebar-grid main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Rebar takeoff calculator ——— */
.page-rebar-takeoff .calc-page-hero {
  background:
    radial-gradient(ellipse 55% 40% at 100% 0%, rgba(30, 58, 95, 0.09), transparent),
    radial-gradient(ellipse 50% 45% at 0% 80%, rgba(249, 115, 22, 0.06), transparent),
    var(--bg);
}

.page-rebar-takeoff .rt-hero-compact {
  padding: 1rem 0 1.75rem;
}

.rt-hero-row {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .rt-hero-row {
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 0.5rem 1.5rem;
  }

  .rt-hero-text {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .rt-trust {
    grid-column: 2;
    grid-row: 1;
  }

  .rt-hero-cta {
    grid-column: 2;
    grid-row: 2;
  }
}

.rt-hero-text h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.1rem);
  margin: 0.35rem 0 0.5rem;
}

.rt-lead {
  font-size: 0.9375rem;
  margin: 0;
}

.badge-takeoff {
  background: rgba(30, 58, 95, 0.1);
  color: var(--navy);
  border: 1px solid rgba(30, 58, 95, 0.18);
}

.rt-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rt-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
  border-top: 3px solid var(--navy);
}

.rt-tool-header {
  margin-bottom: 0.75rem;
}

.rt-tool-header h2 {
  font-size: 1.125rem;
  margin: 0 0 0.25rem;
}

.rt-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.rt-type-tabs::-webkit-scrollbar {
  display: none;
}

.rt-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
}

.rt-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.rt-results-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1rem;
  margin: 0 0 1rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 55%, #334155 100%);
  border-radius: var(--radius);
  color: var(--white);
  transition: transform 0.3s ease;
}

.rt-results-strip.updated {
  transform: scale(1.01);
}

.rt-strip-metric .result-label {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.2rem;
}

.rt-strip-metric strong {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--primary);
}

@media (min-width: 640px) {
  .rt-results-strip {
    grid-template-columns: repeat(4, 1fr);
  }

  .rt-strip-metric strong {
    font-size: 1.25rem;
  }
}

.rt-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rt-inputs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.rt-viz-card {
  padding: 1rem 1.25rem;
}

.rt-viz-card .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.rt-diagram {
  display: block;
  width: 100%;
  height: auto;
  max-height: 220px;
}

.rt-detail-compact {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.rt-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.rt-detail-item strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.rt-detail-item.highlight strong {
  color: var(--primary);
}

.rt-material-section {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.rt-material-title {
  font-size: 0.9375rem;
  margin: 0 0 0.75rem;
}

.rt-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-rebar-takeoff .calc-field select,
.page-rebar-takeoff .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.rt-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.rt-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .page-rebar-takeoff .rt-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .page-rebar-takeoff .rt-results-col .rt-results-strip {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .page-rebar-takeoff .rt-workspace.calc-premium-workspace {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .page-rebar-takeoff .rt-inputs-col {
    order: 1;
  }

  .page-rebar-takeoff .rt-results-col {
    order: 2;
  }

  .rt-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .rt-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .rt-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-rebar-takeoff main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Concrete cost calculator ——— */
.page-concrete-cost .calc-page-hero {
  background:
    radial-gradient(ellipse 65% 50% at 100% 0%, rgba(249, 115, 22, 0.09), transparent),
    radial-gradient(ellipse 55% 45% at 0% 100%, rgba(30, 58, 95, 0.07), transparent),
    var(--bg);
}

.page-concrete-cost .ctc-hero-compact {
  padding: 1rem 0 1.75rem;
}

.ctc-hero-grid {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .ctc-hero-grid {
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 0.5rem 1.5rem;
  }

  .ctc-hero-text {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .ctc-trust {
    grid-column: 2;
    grid-row: 1;
  }

  .ctc-hero-cta {
    grid-column: 2;
    grid-row: 2;
  }
}

.ctc-hero-text h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.1rem);
  margin: 0.35rem 0 0.5rem;
}

.ctc-lead {
  font-size: 0.9375rem;
  margin: 0;
}

.badge-cost {
  background: rgba(249, 115, 22, 0.12);
  color: #c2410c;
  border: 1px solid rgba(249, 115, 22, 0.25);
}

.ctc-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ctc-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
}

.ctc-tool-header {
  margin-bottom: 0.75rem;
}

.ctc-tool-header h2 {
  font-size: 1.125rem;
  margin: 0 0 0.25rem;
}

.ctc-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.ctc-type-tabs::-webkit-scrollbar {
  display: none;
}

.ctc-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
}

.ctc-tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.ctc-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ctc-inputs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.ctc-breakdown-card {
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}

.ctc-breakdown-card .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.ctc-breakdown-svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 160px;
}

.ctc-breakdown-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.35rem 0.75rem;
  margin-top: 0.75rem;
}

.ctc-legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.ctc-legend-item strong {
  margin-left: auto;
  color: var(--navy);
  font-size: 0.8125rem;
}

.ctc-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.ctc-results-hero {
  margin-bottom: 0.75rem;
}

.ctc-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
}

.ctc-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.ctc-detail-item strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.ctc-detail-item.highlight strong {
  color: var(--primary);
}

.ctc-pricing-card h3 {
  font-size: 0.9375rem;
  margin: 0 0 0.35rem;
}

.ctc-pricing-card p {
  font-size: 0.875rem;
  margin: 0;
  color: var(--muted);
}

.ctc-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-concrete-cost .calc-field select,
.page-concrete-cost .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.ctc-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.ctc-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .ctc-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .ctc-results-col .ctc-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .ctc-results-col {
    order: 1;
  }

  .ctc-inputs-col {
    order: 2;
  }

  .ctc-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .ctc-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .ctc-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-concrete-cost main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Rebar overlap calculator ——— */
.page-rebar-overlap .calc-page-hero {
  background:
    radial-gradient(ellipse 60% 45% at 0% 0%, rgba(30, 58, 95, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 100% 60%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.page-rebar-overlap .rol-hero-compact {
  padding: 1rem 0 1.75rem;
}

.rol-hero-split {
  margin-bottom: 1rem;
}

.rol-hero-main h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.1rem);
  margin: 0.35rem 0 0.5rem;
}

.rol-lead {
  font-size: 0.9375rem;
  margin: 0 0 0.75rem;
}

.badge-splice {
  background: rgba(30, 58, 95, 0.1);
  color: var(--navy);
  border: 1px solid rgba(30, 58, 95, 0.2);
}

.rol-trust {
  margin: 0.5rem 0 0.75rem;
}

.rol-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rol-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
}

.rol-tool-header {
  margin-bottom: 0.75rem;
}

.rol-tool-header h2 {
  font-size: 1.125rem;
  margin: 0 0 0.25rem;
}

.rol-splice-stage {
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.rol-splice-stage .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.rol-overlap-diagram {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
}

.rol-viz-note {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0.5rem 0 0;
  text-align: center;
}

.rol-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rol-inputs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.rol-tons-line {
  margin: 0.75rem 0 0;
  text-align: center;
  font-size: 0.875rem;
}

.rol-tons-line .result-label {
  display: block;
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.15rem;
}

.rol-tons-line strong {
  font-size: 1.125rem;
  color: var(--primary);
}

.rol-detail-stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.rol-detail-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.8125rem;
}

.rol-detail-item span {
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.625rem;
  letter-spacing: 0.04em;
}

.rol-detail-item strong {
  color: var(--navy);
  font-weight: 700;
}

.rol-detail-item.highlight strong {
  color: var(--primary);
}

.rol-tip-cards h3 {
  font-size: 0.9375rem;
  margin: 0 0 0.35rem;
}

.rol-tip-cards p {
  font-size: 0.875rem;
  margin: 0;
  color: var(--muted);
}

.rol-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-rebar-overlap .calc-field select,
.page-rebar-overlap .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.rol-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.rol-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .rol-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .rol-results-col .rol-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .rol-splice-stage {
    order: 0;
  }

  .rol-results-col {
    order: 1;
  }

  .rol-inputs-col {
    order: 2;
  }

  .rol-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .rol-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .rol-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-rebar-overlap main {
    padding-bottom: 4.5rem;
  }
}

/* ——— SEO tool picker (cluster de-cannibalization) ——— */
.seo-tool-guide {
  padding-top: 0;
}

.seo-tool-guide .tool-picker-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.seo-tool-guide .tool-picker-list li {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.5;
  padding: 0.65rem 0.85rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.seo-tool-guide .tool-picker-list strong {
  color: var(--navy);
}

.seo-notice-banner {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  background: rgba(30, 58, 95, 0.06);
  border: 1px solid rgba(30, 58, 95, 0.15);
  border-radius: 8px;
  color: var(--text);
}

.seo-notice-banner a {
  font-weight: 600;
}

/* ——— Rebar spacing calculator ——— */
.page-rebar-spacing .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(249, 115, 22, 0.06), transparent),
    var(--bg);
}

.page-rebar-spacing .rs-hero-compact {
  padding: 1.25rem 0 2rem;
}

.rs-intro-bar {
  display: grid;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (min-width: 900px) {
  .rs-intro-bar {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
    gap: 2rem;
  }
}

.rs-intro-text .calc-page-lead {
  max-width: 42rem;
  margin-bottom: 0;
}

.rs-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.rs-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rs-tool-meta {
  margin-top: 0.75rem;
}

.page-rebar-spacing .calc-field select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.rs-grid-diagram {
  padding: 0.75rem 1rem;
  height: 100%;
}

.rs-grid-diagram .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.rs-diagram {
  width: 100%;
  height: auto;
  display: block;
}

.rs-detail-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  margin-top: 0.75rem;
}

.rs-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.rs-detail-item strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.rs-detail-item.highlight strong {
  color: var(--primary);
}

.rs-results-hero .cc-hero-value.result-pulse {
  animation: cydResultPulse 0.35s ease;
}

.rs-mobile-sticky {
  display: none;
}

@media (min-width: 1025px) {
  .rs-tool-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr) minmax(0, 0.9fr);
    gap: 1rem;
    align-items: start;
  }

  .rs-results-col .rs-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
    z-index: 2;
  }

  .rs-diagram-col {
    position: static;
  }
}

@media (max-width: 1024px) {
  .rs-tool-layout {
    display: flex;
    flex-direction: column;
  }

  .rs-inputs-col {
    order: 1;
  }

  .rs-diagram-col {
    order: 2;
  }

  .rs-results-col {
    order: 3;
  }

  .rs-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .rs-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .rs-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-rebar-spacing main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Concrete slab calculator ——— */
.page-concrete-slab .calc-page-hero {
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(249, 115, 22, 0.09), transparent),
    var(--bg);
}

.page-concrete-slab .sc-hero-compact {
  padding: 1.25rem 0 2rem;
}

.sc-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
}

.sc-tool-head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 900px) {
  .sc-tool-head {
    grid-template-columns: 1.5fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 0.5rem 2rem;
  }

  .sc-tool-head-text {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .sc-trust {
    grid-column: 2;
    grid-row: 1;
  }

  .sc-hero-cta {
    grid-column: 2;
    grid-row: 2;
  }
}

.sc-tool-head h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  margin: 0.35rem 0 0.5rem;
}

.sc-lead {
  margin-bottom: 0;
  font-size: 1rem;
}

.sc-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sc-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.sc-type-tabs::-webkit-scrollbar {
  display: none;
}

.sc-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.sc-tab:hover {
  border-color: var(--primary);
  color: var(--navy);
}

.sc-tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.sc-type-hint {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.sc-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sc-diagram-wrap {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
}

.sc-diagram-wrap .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
}

.sc-tool-meta {
  margin-top: 0.75rem;
}

.page-concrete-slab .calc-field select,
.page-concrete-slab .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.sc-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.sc-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.sc-detail-item strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.sc-detail-item.highlight strong {
  color: var(--primary);
}

.sc-detail-wide {
  grid-column: 1 / -1;
}

.sc-detail-wide strong {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
}

.sc-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.sc-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .sc-tool-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.5rem;
    align-items: start;
  }

  .sc-results-col .sc-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .sc-inputs-col {
    order: 1;
  }

  .sc-results-col {
    order: 2;
  }

  .sc-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .sc-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .sc-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-concrete-slab main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Concrete yard calculator ——— */
.page-concrete-yard .calc-page-hero {
  background:
    radial-gradient(ellipse 70% 45% at 100% 0%, rgba(249, 115, 22, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 0% 20%, rgba(30, 58, 95, 0.05), transparent),
    var(--bg);
}

.page-concrete-yard .cyy-hero-compact {
  padding: 1rem 0 1.75rem;
}

.cyy-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
}

.cyy-tool-top {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 900px) {
  .cyy-tool-top {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
}

.cyy-tool-intro h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.1rem);
  margin: 0.35rem 0 0.5rem;
}

.cyy-lead {
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.cyy-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.cyy-viz-panel {
  padding: 0.75rem 1rem;
}

.cyy-viz-panel .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
}

.cyy-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.cyy-type-tabs::-webkit-scrollbar {
  display: none;
}

.cyy-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.cyy-tab:hover {
  border-color: var(--primary);
  color: var(--navy);
}

.cyy-tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.cyy-type-hint {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.cyy-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cyy-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.cyy-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.cyy-detail-item strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.cyy-detail-item.highlight strong {
  color: var(--primary);
}

.cyy-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-concrete-yard .calc-field select,
.page-concrete-yard .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.cyy-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.cyy-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .cyy-tool-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.5rem;
    align-items: start;
  }

  .cyy-dashboard-col .cyy-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .cyy-inputs-col {
    order: 1;
  }

  .cyy-dashboard-col {
    order: 2;
  }

  .cyy-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .cyy-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .cyy-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-concrete-yard main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Concrete volume calculator ——— */
.page-concrete-volume .calc-page-hero {
  background:
    radial-gradient(ellipse 55% 40% at 0% 0%, rgba(30, 58, 95, 0.07), transparent),
    radial-gradient(ellipse 50% 45% at 100% 10%, rgba(249, 115, 22, 0.08), transparent),
    var(--bg);
}

.page-concrete-volume .cv-hero-compact {
  padding: 1rem 0 1.75rem;
}

.cv-hero-strip {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 900px) {
  .cv-hero-strip {
    grid-template-columns: 1.4fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 0.5rem 1.5rem;
  }

  .cv-hero-text {
    grid-column: 1;
    grid-row: 1;
  }

  .cv-trust {
    grid-column: 1;
    grid-row: 2;
  }

  .cv-hero-cta {
    grid-column: 2;
    grid-row: 1 / 3;
    justify-self: end;
    align-self: center;
  }
}

.cv-hero-text h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.1rem);
  margin: 0.35rem 0 0.5rem;
}

.cv-lead {
  font-size: 0.9375rem;
  margin: 0;
}

.cv-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cv-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
}

.cv-tool-header {
  margin-bottom: 0.75rem;
}

.cv-shape-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.cv-shape-tabs::-webkit-scrollbar {
  display: none;
}

.cv-shape-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.cv-shape-tab:hover {
  border-color: var(--primary);
  color: var(--navy);
}

.cv-shape-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.cv-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cv-viz-col {
  padding: 0.75rem 1rem;
}

.cv-viz-col .diagram-title {
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
}

.cv-shape-fields.is-hidden {
  display: none;
}

.cv-global-fields {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--border);
}

.cv-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.cv-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.cv-detail-item strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
}

.cv-detail-item.highlight strong {
  color: var(--primary);
}

.cv-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.cv-coverage-card {
  padding: 1rem 1.25rem;
}

.cv-coverage-stat {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0.35rem 0;
}

.page-concrete-volume .calc-field select,
.page-concrete-volume .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.cv-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.cv-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .cv-workspace {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 1.25rem;
    align-items: start;
  }

  .cv-results-col .cv-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .cv-viz-col {
    order: 1;
  }

  .cv-inputs-col {
    order: 2;
  }

  .cv-results-col {
    order: 3;
  }

  .cv-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .cv-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .cv-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-concrete-volume main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Ready mix concrete calculator ——— */
.page-ready-mix .calc-page-hero {
  background:
    linear-gradient(180deg, rgba(30, 58, 95, 0.04) 0%, transparent 120px),
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(249, 115, 22, 0.09), transparent),
    var(--bg);
}

.page-ready-mix .rmx-hero-compact {
  padding: 1rem 0 1.75rem;
}

.rmx-hero-band {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .rmx-hero-band {
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 0.5rem 1.5rem;
  }

  .rmx-hero-text {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .rmx-trust {
    grid-column: 2;
    grid-row: 1;
  }

  .rmx-hero-cta {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
  }
}

.rmx-hero-text h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.15rem);
  margin: 0.35rem 0 0.5rem;
}

.rmx-lead {
  font-size: 0.9375rem;
  margin: 0;
}

.badge-navy {
  background: rgba(30, 58, 95, 0.1);
  color: var(--navy);
  border: 1px solid rgba(30, 58, 95, 0.15);
}

.rmx-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.rmx-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
  border-top: 3px solid var(--navy);
}

.rmx-tool-header {
  margin-bottom: 0.75rem;
}

.rmx-tool-header h2 {
  font-size: 1.125rem;
  margin: 0 0 0.25rem;
}

.rmx-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.rmx-type-tabs::-webkit-scrollbar {
  display: none;
}

.rmx-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.rmx-tab:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.rmx-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.rmx-delivery-stage {
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.rmx-diagram {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
}

.rmx-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rmx-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.rmx-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.rmx-detail-item strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.rmx-detail-item.highlight strong {
  color: var(--primary);
}

.rmx-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.rmx-plan-card {
  padding: 1rem 1.25rem;
}

.rmx-plan-card h3 {
  font-size: 1rem;
  margin: 0 0 0.35rem;
}

.rmx-cap-table-wrap {
  margin-top: 1.25rem;
}

.page-ready-mix .calc-field select,
.page-ready-mix .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.rmx-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.rmx-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .rmx-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .rmx-results-col .rmx-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .calc-premium-workspace,
  .rmx-workspace,
  .bw-workspace,
  .mx-workspace,
  .st-workspace,
  .rt-workspace {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .calc-premium-workspace [class*='-inputs-col'],
  .rmx-inputs-col,
  .bw-inputs-col,
  .mx-inputs-col,
  .st-inputs-col,
  .rt-inputs-col {
    order: 1;
  }

  .calc-premium-workspace [class*='-results-col'],
  .rmx-results-col,
  .bw-results-col,
  .mx-results-col,
  .st-results-col,
  .rt-results-col {
    order: 2;
  }

  .rmx-delivery-stage,
  .bw-viz-stage,
  .mx-viz-stage,
  .st-viz-stage {
    order: 3;
  }

  .page-rebar-takeoff .rt-viz-stage {
    order: unset;
  }

  .rmx-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .rmx-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .rmx-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-ready-mix main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Sonotube concrete calculator ——— */
.page-sonotube .calc-page-hero {
  background:
    radial-gradient(ellipse 50% 45% at 100% 20%, rgba(249, 115, 22, 0.08), transparent),
    radial-gradient(ellipse 45% 40% at 0% 80%, rgba(30, 58, 95, 0.06), transparent),
    var(--bg);
}

.page-sonotube .st-hero-compact {
  padding: 1rem 0 1.75rem;
}

.st-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
}

.st-calc-shell {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (min-width: 1025px) {
  .st-calc-shell {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 1.5rem;
    align-items: start;
  }
}

.st-intro-block h1 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0.35rem 0 0.5rem;
}

.st-lead {
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.st-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.st-viz-col .diagram-title {
  font-size: 0.875rem;
  margin: 1rem 0 0.35rem;
}

.st-diagram {
  display: block;
  width: 100%;
  max-width: 220px;
  margin: 0 auto;
  height: auto;
}

.st-size-picks {
  margin-top: 0.75rem;
}

.st-size-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.st-size-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.st-size-chip {
  padding: 0.35rem 0.65rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.st-size-chip:hover {
  border-color: var(--primary);
}

.st-size-chip.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.st-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.st-type-tabs::-webkit-scrollbar {
  display: none;
}

.st-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.st-tab:hover {
  border-color: var(--primary);
  color: var(--navy);
}

.st-tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.st-type-hint {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.st-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.st-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.st-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.st-detail-item strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.st-detail-item.highlight strong {
  color: var(--primary);
}

.st-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-sonotube .calc-field select,
.page-sonotube .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.st-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.st-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .st-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: start;
  }

  .st-results-col .st-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .st-inputs-col {
    order: 1;
  }

  .st-results-col {
    order: 2;
  }

  .st-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .st-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .st-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-sonotube main {
    padding-bottom: 4.5rem;
  }
}

/* ——— Slab rebar calculator ——— */
.page-slab-rebar .calc-page-hero {
  background:
    radial-gradient(ellipse 55% 45% at 0% 0%, rgba(30, 58, 95, 0.06), transparent),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(249, 115, 22, 0.07), transparent),
    var(--bg);
}

.page-slab-rebar .sr-hero-compact {
  padding: 1.25rem 0 2rem;
}

.page-slab-rebar .sr-hero-grid {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 1025px) {
  .page-slab-rebar .sr-hero-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-slab-rebar .sr-intro-panel {
    order: 1;
  }

  .page-slab-rebar .calc-tool-wrapper {
    order: 2;
  }
}

.sr-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.sr-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-slab-rebar .calc-field select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.sr-grid-diagram {
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
}

.sr-detail-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  margin-top: 0.75rem;
}

.sr-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.sr-detail-item strong {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
}

.sr-detail-item.highlight strong {
  color: var(--primary);
}

.sr-mobile-sticky {
  display: none;
}

@media (min-width: 1025px) {
  .sr-tool-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .sr-results-col .sr-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .sr-inputs-col { order: 1; }
  .sr-results-col { order: 2; }
  .sr-mobile-sticky {
    display: block;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }
  .sr-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }
  .sr-mobile-sticky .result-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--muted);
  }
  .page-slab-rebar main { padding-bottom: 4.5rem; }
}

/* ——— Concrete and rebar calculator ——— */
.page-concrete-rebar .calc-page-hero {
  background:
    radial-gradient(ellipse 80% 50% at 50% -5%, rgba(249, 115, 22, 0.1), transparent),
    linear-gradient(180deg, rgba(30, 58, 95, 0.03) 0%, transparent 40%),
    var(--bg);
}

.page-concrete-rebar .cr-hero-compact {
  padding: 1.25rem 0 2rem;
}

.cr-hero-banner {
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .cr-hero-banner {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1rem 2rem;
    align-items: end;
  }
  .cr-trust { grid-column: 2; grid-row: 1; }
  .cr-hero-cta { grid-column: 2; grid-row: 2; }
}

.cr-hero-text .calc-page-lead {
  margin-bottom: 0;
  max-width: 40rem;
}

.cr-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.cr-tool-card {
  padding: 1.25rem 1.5rem;
}

.cr-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.cr-type-tabs::-webkit-scrollbar { display: none; }

.cr-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
}

.cr-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.cr-tool-layout {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cr-inputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-concrete-rebar .calc-field select,
.page-concrete-rebar .calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.cr-summary-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.cr-summary-card {
  padding: 0.65rem 0.75rem;
}

.cr-summary-card span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.cr-summary-card strong {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  margin: 0.2rem 0;
}

.cr-summary-card small {
  font-size: 0.6875rem;
  color: var(--muted);
}

.cr-summary-card.highlight {
  border-color: var(--primary);
  background: rgba(249, 115, 22, 0.04);
}

.cr-summary-card.highlight strong {
  color: var(--primary);
}

.cr-viz-card {
  padding: 0.75rem 1rem;
}

.cr-diagram {
  width: 100%;
  height: auto;
  display: block;
}

.cr-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.cr-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .cr-tool-layout {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 1.5rem;
    align-items: start;
  }

  .cr-dashboard-col .cr-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .cr-inputs-col { order: 1; }
  .cr-dashboard-col { order: 2; }
  .cr-mobile-sticky {
    display: block;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(8px);
  }
  .cr-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container);
    margin: 0 auto;
    font-size: 0.875rem;
  }
  .page-concrete-rebar main { padding-bottom: 4.5rem; }
}

/* ——— Global calculator layout: no sticky overlap, calculator-first on mobile ——— */
.calc-page-hero {
  isolation: isolate;
}

@media (max-width: 1024px) {
  .calc-page-hero [class*='-results-hero'],
  .calc-page-hero [class*='-results-strip'],
  .calc-page-hero [class*='-dashboard-col'] [class*='-results-hero'],
  .calc-page-hero .rs-results-col .rs-results-hero,
  .calc-page-hero .rs-diagram-col {
    position: static !important;
    top: auto !important;
    z-index: auto !important;
  }

  .calc-workspace-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* Premium heroes: tool card above marketing copy */
  .calc-page-hero > .container {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
  }

  .calc-page-hero > .container > .calc-tool-card,
  .calc-page-hero > .container > article.calc-tool-card,
  .calc-page-hero > .container > .calc-tool-wrapper {
    order: -10;
  }

  .calc-page-hero > .container > [class*='-hero-grid'],
  .calc-page-hero > .container > [class*='-hero-row'] {
    order: 0;
  }

  .calc-page-hero[class*='-hero-compact'] .trust-indicators,
  .calc-page-hero[class*='-hero-compact'] .trust-indicators-compact,
  .calc-page-hero[class*='-hero-compact'] [class*='-hero-cta'],
  .calc-page-hero[class*='-hero-compact'] .ctc-hero-cta,
  .calc-page-hero[class*='-hero-compact'] .rt-hero-cta,
  .calc-page-hero[class*='-hero-compact'] .calc-hero-cta,
  .calc-page-hero[class*='-hero-compact'] .rol-hero-cta,
  .calc-page-hero .seo-notice-banner {
    display: none;
  }

  .calc-page-hero[class*='-hero-compact'] .calc-page-lead,
  .calc-page-hero[class*='-hero-compact'] [class*='-lead'] {
    display: none;
  }

  .calc-page-hero[class*='-hero-compact'] h1,
  .calc-page-hero[class*='-hero-compact'] [class*='-hero-text'] h1 {
    font-size: clamp(1.2rem, 5vw, 1.45rem);
    margin: 0 0 0.15rem;
    line-height: 1.2;
  }

  .calc-page-hero[class*='-hero-compact'] .badge {
    margin-bottom: 0.2rem;
    font-size: 0.6875rem;
    padding: 0.2rem 0.6rem;
  }

  .calc-page-hero[class*='-hero-compact'],
  .calc-page-hero .ctc-hero-compact,
  .calc-page-hero .rt-hero-compact,
  .calc-page-hero .bw-hero-compact,
  .calc-page-hero .mx-hero-compact,
  .calc-page-hero .rol-hero-compact,
  .calc-page-hero .rs-hero-compact,
  .calc-page-hero .rb-hero-compact,
  .calc-page-hero .rw-hero-compact,
  .calc-page-hero .rg-hero-compact,
  .calc-page-hero .sc-hero-compact,
  .calc-page-hero .cyy-hero-compact,
  .calc-page-hero .cv-hero-compact,
  .calc-page-hero .rmx-hero-compact,
  .calc-page-hero .st-hero-compact,
  .calc-page-hero .bw-hero-compact,
  .calc-page-hero .mx-hero-compact,
  .calc-page-hero .cyd-hero-compact {
    padding: 0.35rem 0 0.85rem;
  }

  /* Legacy grid heroes: hide trust/diagram below fold until after tool */
  .calc-page-hero-grid > .calc-page-intro .trust-indicators-compact {
    display: none;
  }

  .calc-page-hero-grid > .calc-page-intro .calc-page-lead {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  main {
    scroll-padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0));
  }

  body:has([class*='-mobile-sticky']) main {
    padding-bottom: calc(4.75rem + env(safe-area-inset-bottom, 0));
  }
}

[class*='-mobile-sticky'] {
  z-index: 950 !important;
}

.calc-mobile-fab {
  z-index: 940;
}

/* Safari/iOS: SVG <g hidden> must not leave ghost shapes visible */
svg [hidden],
.cv-diagram [hidden] {
  display: none !important;
}

/* ========== Mobile viewport fixes (all calculator pages) ========== */
@media (max-width: 767px) {
  :root {
    --header-h: 60px;
  }

  html {
    overflow-x: clip;
  }

  body {
    overflow-x: clip;
    width: 100%;
  }

  .container {
    padding-inline: max(1rem, env(safe-area-inset-left)) max(1rem, env(safe-area-inset-right));
    max-width: 100%;
    box-sizing: border-box;
  }

  .header-inner {
    padding-inline: max(0.75rem, env(safe-area-inset-left)) max(0.75rem, env(safe-area-inset-right));
    gap: 0.5rem;
  }

  .brand {
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
  }

  .brand-text {
    min-width: 0;
  }

  .brand-name {
    font-size: 0.9375rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-actions {
    flex-shrink: 0;
  }

  main,
  .calc-page-hero,
  .calc-page-hero > .container,
  .calc-tool-wrapper,
  .calc-tool-card,
  .glass-card,
  .calc-field,
  .calc-workspace-grid,
  [class*='-workspace'],
  [class*='-tool-card'] {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
  }

  .calc-preview-card {
    animation: none;
    padding: 1rem;
  }

  /* Prevent side-by-side inputs from overflowing the screen */
  .calc-tool-inputs,
  .calc-tool-inputs:has(.calc-field:nth-child(3)),
  .calc-tool-inputs:has(.calc-field:nth-child(2)) {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem;
  }

  .calc-advanced-grid,
  [class*='-inputs-grid'],
  .results-detail-grid,
  .ctc-detail-grid,
  .rt-detail-compact,
  .rb-quick-summary,
  .fc-results-detail .results-detail-grid {
    grid-template-columns: 1fr !important;
  }

  .cc-hero-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .rt-results-strip,
  [class*='-results-strip'] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
  }

  .input-group {
    min-width: 0;
    width: 100%;
  }

  .input-group select {
    flex-shrink: 0;
    max-width: 5.5rem;
  }

  .calc-tool-card .cc-results-hero,
  [class*='-results-hero'] {
    padding: 1rem;
  }

  .cc-hero-value {
    font-size: 1.65rem;
  }

  /* Horizontal tab rows scroll inside the card, not the page */
  [class*='-type-tabs'],
  [class*='-shape-tabs'],
  .cyd-category-tabs {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-bottom: 0.25rem;
  }

  [class*='-type-tabs'] button,
  [class*='-shape-tabs'] button,
  .cv-shape-tab,
  .rb-tab,
  .ctc-tab {
    flex-shrink: 0;
  }

  .table-scroll {
    margin-left: 0;
    margin-right: 0;
  }

  [class*='-mobile-sticky'] {
    padding-left: max(0.75rem, env(safe-area-inset-left));
    padding-right: max(0.75rem, env(safe-area-inset-right));
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0));
  }

  [class*='-mobile-sticky-inner'] {
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
  }

  body:has([class*='-mobile-sticky']) main {
    padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0));
  }
}

@media (max-width: 480px) {
  .cc-hero-row,
  .rt-results-strip,
  [class*='-results-strip'] {
    grid-template-columns: 1fr !important;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
  }

  .brand-name {
    font-size: 0.875rem;
  }
}

/* Desktop: sticky full results sidebar (not fragments) — stays below header */
@media (min-width: 1025px) {
  :root {
    --header-h: 80px;
  }

  .site-header {
    background: rgba(255, 255, 255, 0.98);
  }

  .calc-page-hero [class*='-results-col'],
  .calc-page-hero [class*='-dashboard-col'] {
    position: sticky;
    top: var(--sticky-offset);
    align-self: start;
    z-index: 5;
    max-height: calc(100dvh - var(--sticky-offset) - 1.5rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

  /* Partial sticky on inner blocks caused header overlap while scrolling */
  .calc-page-hero [class*='-results-hero'],
  .calc-page-hero .rt-results-strip,
  .cyd-results-col .cyd-results-hero,
  .rb-results-col .rb-results-hero,
  .rw-results-col .rw-results-hero,
  .rg-results-col .rg-results-hero,
  .ctc-results-col .ctc-results-hero,
  .rol-results-col .rol-results-hero,
  .rs-results-col .rs-results-hero,
  .sc-results-col .sc-results-hero,
  .cyy-dashboard-col .cyy-results-hero,
  .cv-results-col .cv-results-hero,
  .rmx-results-col .rmx-results-hero,
  .st-results-col .st-results-hero,
  .sr-results-col .sr-results-hero,
  .cr-dashboard-col .cr-results-hero {
    position: static !important;
    top: auto !important;
    z-index: auto !important;
  }
}

/* ——— Premium compact calculators (block, mix, sonotube, takeoff + shared) ——— */
.page-concrete-block .calc-page-hero,
.page-concrete-mix .calc-page-hero {
  background:
    radial-gradient(ellipse 55% 45% at 100% 0%, rgba(249, 115, 22, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(30, 58, 95, 0.06), transparent),
    var(--bg);
}

.page-concrete-block .bw-hero-compact,
.page-concrete-mix .mx-hero-compact {
  padding: 1rem 0 1.75rem;
}

.calc-hero-band,
.rmx-hero-band,
.bw-hero-band,
.mx-hero-band,
.st-hero-band,
.rt-hero-band {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 900px) {
  .calc-hero-band,
  .rmx-hero-band,
  .bw-hero-band,
  .mx-hero-band,
  .st-hero-band,
  .rt-hero-band {
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: auto auto;
    align-items: start;
    gap: 0.5rem 1.5rem;
  }

  .calc-hero-text,
  .rmx-hero-text,
  .bw-hero-text,
  .mx-hero-text,
  .st-hero-text,
  .rt-hero-text {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .rmx-trust,
  .bw-trust,
  .mx-trust,
  .st-trust,
  .rt-trust {
    grid-column: 2;
    grid-row: 1;
  }

  .calc-hero-cta,
  .rmx-hero-cta,
  .bw-hero-cta,
  .mx-hero-cta,
  .st-hero-cta,
  .rt-hero-cta {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
  }
}

.calc-hero-text h1,
.bw-hero-text h1,
.mx-hero-text h1,
.st-hero-text h1,
.rt-hero-text h1 {
  font-size: clamp(1.65rem, 3.2vw, 2.1rem);
  margin: 0.35rem 0 0.5rem;
}

.bw-lead,
.mx-lead,
.st-lead,
.rt-lead {
  font-size: 0.9375rem;
  margin: 0;
}

.calc-premium-tool,
.bw-tool-card,
.mx-tool-card {
  padding: 1.25rem 1.5rem 1.5rem;
  border-top: 3px solid var(--navy);
}

.calc-premium-header h2,
.bw-tool-header h2,
.mx-tool-header h2,
.st-tool-header h2 {
  font-size: 1.125rem;
  margin: 0 0 0.25rem;
}

.calc-premium-tabs,
.mx-type-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.calc-premium-tabs::-webkit-scrollbar,
.mx-type-tabs::-webkit-scrollbar {
  display: none;
}

.calc-premium-tab,
.mx-tab {
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  cursor: pointer;
}

.calc-premium-tab.is-active,
.mx-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.calc-viz-stage,
.bw-viz-stage,
.mx-viz-stage {
  margin-bottom: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  padding: 0.75rem 1rem 1rem;
}

.calc-premium-diagram,
.bw-diagram,
.mx-diagram {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
  margin: 0 auto;
}

.calc-premium-workspace,
.bw-workspace,
.mx-workspace {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.calc-detail-grid,
.bw-detail-grid,
.mx-detail-grid,
.st-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
}

.calc-detail-item span,
.bw-detail-item span,
.mx-detail-item span,
.st-detail-item span {
  display: block;
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.calc-detail-item strong,
.bw-detail-item strong,
.mx-detail-item strong,
.st-detail-item strong {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.calc-detail-item.highlight strong,
.bw-detail-item.highlight strong,
.mx-detail-item.highlight strong,
.st-detail-item.highlight strong {
  color: var(--primary);
}

.bw-tool-meta,
.mx-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-concrete-block .calc-advanced .calc-field input,
.page-concrete-mix .calc-advanced .calc-field input,
.page-concrete-mix .calc-advanced .calc-field select,
.page-concrete-block .bw-inputs-grid .calc-field input,
.page-concrete-mix .mx-inputs-grid .calc-field input,
.page-concrete-mix .mx-inputs-grid .calc-field select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
}

.bw-mobile-sticky,
.mx-mobile-sticky,
.sy2-mobile-sticky,
.s2f-mobile-sticky,
.ft2yd-mobile-sticky,
.hmcy-mobile-sticky,
.cf2cy-mobile-sticky,
.y2t-mobile-sticky,
.t2cy-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.bw-mobile-sticky.is-visible,
.mx-mobile-sticky.is-visible,
.sy2-mobile-sticky.is-visible,
.s2f-mobile-sticky.is-visible,
.ft2yd-mobile-sticky.is-visible,
.hmcy-mobile-sticky.is-visible,
.cf2cy-mobile-sticky.is-visible,
.y2t-mobile-sticky.is-visible,
.t2cy-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .calc-premium-workspace,
  .bw-workspace,
  .mx-workspace,
  .sy2-workspace,
  .s2f-workspace,
  .ft2yd-workspace,
  .hmcy-workspace,
  .cf2cy-workspace,
  .y2t-workspace,
  .t2cy-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .bw-results-col .bw-results-hero,
  .mx-results-col .mx-results-hero,
  .sy2-results-col .sy2-results-hero,
  .s2f-results-col .s2f-results-hero,
  .ft2yd-results-col .ft2yd-results-hero,
  .hmcy-results-col .hmcy-results-hero,
  .cf2cy-results-col .cf2cy-results-hero,
  .y2t-results-col .y2t-results-hero,
  .t2cy-results-col .t2cy-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (max-width: 1024px) {
  .calc-premium-tool,
  .bw-tool-card,
  .mx-tool-card,
  .st-tool-card,
  .rt-tool-card {
    padding: 1rem 1.125rem 1.25rem;
  }

  .bw-mobile-sticky,
  .mx-mobile-sticky,
  .sy2-mobile-sticky,
  .s2f-mobile-sticky,
  .ft2yd-mobile-sticky,
  .hmcy-mobile-sticky,
  .cf2cy-mobile-sticky,
  .y2t-mobile-sticky,
  .t2cy-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .bw-mobile-sticky-inner,
  .mx-mobile-sticky-inner,
  .sy2-mobile-sticky-inner,
  .s2f-mobile-sticky-inner,
  .ft2yd-mobile-sticky-inner,
  .hmcy-mobile-sticky-inner,
  .cf2cy-mobile-sticky-inner,
  .y2t-mobile-sticky-inner,
  .t2cy-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.875rem;
  }

  .page-sonotube .st-tool-card {
    padding: 1rem 1.125rem 1.25rem;
    border-top: 3px solid var(--navy);
  }

  .page-sonotube .st-type-tabs {
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.15rem;
  }

  .page-sonotube .calc-tool-actions,
  .page-concrete-block .calc-tool-actions,
  .page-concrete-mix .calc-tool-actions,
  .page-rebar-takeoff .calc-tool-actions {
    flex-direction: column;
  }

  .page-sonotube .calc-tool-actions .btn,
  .page-concrete-block .calc-tool-actions .btn,
  .page-concrete-mix .calc-tool-actions .btn,
  .page-rebar-takeoff .calc-tool-actions .btn {
    width: 100%;
  }

  .page-rebar-takeoff .rt-tool-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 1.125rem 1.25rem;
    border-top: 3px solid var(--navy);
    min-width: 0;
  }

  /* Calculator-first: inputs/results before diagram & material table */
  .page-rebar-takeoff .rt-workspace {
    order: 1;
  }

  .page-rebar-takeoff .rt-viz-stage {
    order: 2;
  }

  .page-rebar-takeoff .rt-material-section {
    order: 3;
  }

  .page-rebar-takeoff .rt-tool-header {
    margin-bottom: 0;
  }

  .page-rebar-takeoff .rt-type-tabs {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .page-rebar-takeoff .rt-results-strip {
    margin: 0;
  }

  .page-rebar-takeoff .rt-results-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
  }

  .page-rebar-takeoff .rt-material-section {
    margin-top: 0;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    min-width: 0;
  }

  .page-rebar-takeoff .rt-inputs-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem;
  }

  .page-rebar-takeoff .rt-inputs-col,
  .page-rebar-takeoff .rt-results-col,
  .page-rebar-takeoff .calc-tool-form,
  .page-rebar-takeoff .calc-field {
    min-width: 0;
    max-width: 100%;
  }

  .page-rebar-takeoff .rt-detail-compact {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-top: 0;
  }

  .page-rebar-takeoff .rt-material-section .table-scroll {
    margin: 0;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-rebar-takeoff .rt-material-table {
    font-size: 0.75rem;
    width: max-content;
    min-width: 100%;
  }

  .page-rebar-takeoff .rt-material-table th,
  .page-rebar-takeoff .rt-material-table td {
    padding: 0.5rem 0.4rem;
    white-space: nowrap;
  }

  .page-concrete-block main,
  .page-concrete-mix main,
  .page-rebar-takeoff main {
    padding-bottom: 4.5rem;
  }
}

@media (max-width: 767px) {
  .calc-detail-grid,
  .bw-detail-grid,
  .mx-detail-grid,
  .st-detail-grid,
  .page-rebar-takeoff .rt-detail-compact {
    grid-template-columns: 1fr;
  }

  .page-rebar-takeoff .rt-results-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
  }

  .page-rebar-takeoff .rt-strip-metric strong {
    font-size: 1rem;
    word-break: break-word;
  }
}

@media (max-width: 480px) {
  .page-rebar-takeoff .rt-results-strip {
    grid-template-columns: 1fr !important;
  }

  .page-rebar-takeoff .rt-hero-cta .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .page-concrete-block .cc-hero-row,
  .page-concrete-mix .cc-hero-row {
    grid-template-columns: 1fr;
  }
}

/* Site search (instant results) */
body.search-open {
  overflow: hidden;
  touch-action: none;
}

body.search-open .main-nav.is-open {
  visibility: hidden;
  pointer-events: none;
}

.search-overlay-inner {
  max-width: 640px;
}

.search-panel {
  margin-top: 0.5rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-height: min(70vh, 520px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.search-hint {
  margin: 0;
  padding: 0.75rem 1rem 0.25rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.search-results-label {
  margin: 0.5rem 0 0;
  padding: 0.5rem 1rem 0.25rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.search-results-list {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0 0.75rem;
}

.search-result-link {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: inherit;
  border-top: 1px solid var(--border);
  transition: background 0.15s ease;
}

.search-result-link:hover,
.search-result-link:focus-visible {
  background: rgba(249, 115, 22, 0.06);
  outline: none;
}

.search-result-main {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.search-result-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text);
}

.search-result-cat,
.search-result-type {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--text-muted);
}

.search-result-type {
  background: rgba(249, 115, 22, 0.12);
  color: var(--primary);
}

.search-result-desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.search-empty {
  padding: 1rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Homepage project picker */
.project-picker-section {
  padding-top: 0.5rem;
}

.project-picker-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .project-picker-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
  }
}

.project-picker-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  min-height: 5rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.project-picker-card:hover,
.project-picker-card:focus-visible {
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  outline: none;
}

.project-picker-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(249, 115, 22, 0.1);
  color: var(--primary);
}

.project-picker-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.project-picker-label {
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.25;
}

.project-picker-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.project-picker-loading {
  grid-column: 1 / -1;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.link-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.link-btn:hover {
  color: var(--primary-dark, #ea580c);
}

/* Money-page growth: workflow, hubs, ads, guides */
.workflow-section {
  background: linear-gradient(180deg, rgba(249, 115, 22, 0.04), transparent);
  border-block: 1px solid var(--border);
}

.section-header--compact {
  margin-bottom: 1rem;
}

.section-header--compact h2,
.section-header--compact h3 {
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
}

.workflow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .workflow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.workflow-step {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.workflow-step-num {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.workflow-step-link {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.workflow-step-link:hover {
  color: var(--primary);
}

.workflow-step-reason {
  margin: 0.25rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.hub-start-section {
  padding-top: 0.25rem;
}

.hub-tier-header {
  margin-top: 1.5rem;
}

.hub-tier-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.hub-all-tools {
  padding-top: 0.5rem;
}

.calc-card--guide {
  border-style: dashed;
}

.guide-calc-cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.08), rgba(15, 23, 42, 0.03));
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: var(--radius);
}

.guide-calc-cta-title {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
}

.guide-calc-cta-inner p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* AdSense-ready placeholders (empty until you paste units) */
.ad-slot {
  margin: 1.5rem 0;
  text-align: center;
}

.ad-slot-inner {
  min-height: 0;
  margin: 0 auto;
  max-width: 100%;
}

.money-page--tier-a .ad-slot--below-calculator .ad-slot-inner,
.money-page--tier-b .ad-slot--below-calculator .ad-slot-inner {
  min-height: 90px;
}

@media (min-width: 768px) {
  .money-page--tier-a .ad-slot--below-calculator .ad-slot-inner,
  .money-page--tier-b .ad-slot--below-calculator .ad-slot-inner {
    min-height: 120px;
  }

  .ad-slot--mid-content .ad-slot-inner {
    min-height: 120px;
  }
}

/* Hide empty ad blocks until AdSense fills them (optional: remove when live) */
.ad-slot-inner:empty {
  display: none;
}

.money-page .ad-slot--below-calculator {
  margin-top: 1.25rem;
}

@media (max-width: 767px) {
  .money-page .calc-tool-card,
  .money-page .calc-premium-tool {
    margin-bottom: 0;
  }

  .money-page .ad-slot--before-related {
    display: none;
  }
}

/* ========== Stage 1: Top 10 flagship calculators ========== */
.page-flagship .cc-results-hero .cc-hero-value {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
}

.flagship-secondary-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border);
}

.flagship-secondary-cell {
  text-align: center;
}

.flagship-secondary-cell .result-label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.flagship-secondary-cell strong {
  font-size: 0.9375rem;
  font-weight: 700;
}

.flagship-tool-meta {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .page-flagship .calc-page-intro .calc-page-lead,
  .page-flagship .calc-page-intro .trust-indicators-compact {
    display: none !important;
  }

  .page-flagship .calc-page-intro h1 {
    font-size: 1.2rem;
    margin-bottom: 0.35rem;
  }

  .page-flagship .calc-tool-card .calc-field input,
  .page-flagship .calc-tool-card .calc-field select {
    min-height: 48px;
    font-size: 1rem;
  }

  .page-flagship .calc-tool-card .btn {
    min-height: 48px;
  }

  .flagship-secondary-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.q-mobile-sticky,
[class*='-mobile-sticky'] {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 950;
  padding: 0.5rem max(1rem, env(safe-area-inset-left)) calc(0.5rem + env(safe-area-inset-bottom, 0))
    max(1rem, env(safe-area-inset-right));
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 24px rgba(15, 23, 42, 0.12);
  transform: translateY(110%);
  transition: transform 0.2s ease;
  pointer-events: none;
}

.q-mobile-sticky.is-visible,
[class*='-mobile-sticky'].is-visible {
  transform: translateY(0);
  pointer-events: auto;
}

.q-mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 640px;
  margin: 0 auto;
  font-size: 0.875rem;
}

.q-mobile-sticky-inner strong {
  font-size: 1rem;
  color: var(--text);
}

/* ========== Stage 2: Category hub pages ========== */
.page-hub-stage2 .category-hero {
  padding-bottom: 0.5rem;
}

.page-hub-stage2 .category-lead {
  max-width: 42rem;
  font-size: 1.0625rem;
  line-height: 1.55;
}

.hub-start-section {
  padding-top: 0.25rem;
  background: linear-gradient(180deg, rgba(249, 115, 22, 0.05), transparent 70%);
}

.calc-card--featured {
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: var(--shadow-md);
}

.hub-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.hub-filter-btn {
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--white);
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.hub-filter-btn:hover,
.hub-filter-btn:focus-visible {
  border-color: rgba(249, 115, 22, 0.4);
  color: var(--text);
  outline: none;
}

.hub-filter-btn.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.hub-tools-section {
  padding-top: 0.5rem;
}

.hub-empty-msg {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 1rem;
}

.hub-chooser-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .hub-chooser-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-hub-stage2 .hub-chooser-section .content-narrow {
    max-width: 56rem;
  }
}

.hub-chooser-card {
  padding: 1.25rem;
}

.hub-chooser-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
}

.hub-chooser-card p {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.hub-chooser-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hub-chooser-links li + li {
  margin-top: 0.35rem;
}

.hub-chooser-links a {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--primary);
  text-decoration: none;
}

.hub-chooser-links a:hover {
  text-decoration: underline;
}

.hub-cross-section {
  padding-top: 0;
  padding-bottom: 2rem;
}

.hub-cross-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hub-cross-link {
  flex: 1 1 200px;
  display: block;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  background: var(--white);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.hub-cross-link:hover {
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: var(--shadow-sm);
}

.hub-cross-label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.2rem;
}

.hub-cross-text {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hub-guide-card {
  border-style: dashed;
}

.hub-tool-card.is-filtered-out {
  display: none;
}

/* Length, area & volume guide/converters */
.page-hmcy .hmcy-hero-compact,
.page-ft-yd .ft2yd-hero-compact,
.page-sqft-sqyd .sy2-hero-compact,
.page-sqyd-sqft .s2f-hero-compact {
  padding-top: 0.75rem;
  padding-bottom: 0.5rem;
}

.page-hmcy .hmcy-lead,
.page-ft-yd .ft2yd-lead,
.page-sqft-sqyd .sy2-lead,
.page-sqyd-sqft .s2f-lead {
  max-width: 42rem;
  margin-bottom: 0;
}

.page-hmcy .hmcy-trust,
.page-ft-yd .ft2yd-trust,
.page-sqft-sqyd .sy2-trust,
.page-sqyd-sqft .s2f-trust {
  margin-top: 0.75rem;
}

.page-hmcy .hmcy-tool-card,
.page-ft-yd .ft2yd-tool-card,
.page-sqft-sqyd .sy2-tool-card,
.page-sqyd-sqft .s2f-tool-card {
  margin-top: 1rem;
}

.page-hmcy .hmcy-field-primary input,
.page-ft-yd .ft2yd-field-primary input,
.page-sqft-sqyd .sy2-field-primary input,
.page-sqyd-sqft .s2f-field-primary input {
  font-size: 1.25rem;
  padding: 0.875rem 1rem;
  min-height: 3.25rem;
}

.page-hmcy .hmcy-convert-btn,
.page-ft-yd .ft2yd-convert-btn,
.page-sqft-sqyd .sy2-convert-btn,
.page-sqyd-sqft .s2f-convert-btn {
  min-height: 3rem;
  width: 100%;
}

.page-hmcy .hmcy-preset-row,
.page-ft-yd .ft2yd-preset-row,
.page-sqft-sqyd .sy2-preset-row,
.page-sqyd-sqft .s2f-preset-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.page-ft-yd .ft2yd-preset-label,
.page-sqft-sqyd .sy2-preset-label,
.page-sqyd-sqft .s2f-preset-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.page-hmcy .hmcy-preset,
.page-ft-yd .ft2yd-preset,
.page-sqft-sqyd .sy2-preset,
.page-sqyd-sqft .s2f-preset {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.page-hmcy .hmcy-preset:hover,
.page-ft-yd .ft2yd-preset:hover,
.page-sqft-sqyd .sy2-preset:hover,
.page-sqyd-sqft .s2f-preset:hover {
  border-color: var(--navy);
  background: #f8fafc;
}

.page-hmcy .hmcy-results-hero .cc-hero-value,
.page-ft-yd .ft2yd-results-hero .cc-hero-value,
.page-sqft-sqyd .sy2-results-hero .cc-hero-value,
.page-sqyd-sqft .s2f-results-hero .cc-hero-value {
  font-size: clamp(2rem, 6vw, 2.75rem);
}

.page-hmcy .hmcy-viz-stage,
.page-ft-yd .ft2yd-viz-stage,
.page-sqft-sqyd .sy2-viz-stage,
.page-sqyd-sqft .s2f-viz-stage {
  margin: 0.75rem 0 1rem;
}

.page-ft-yd .ft2yd-table-second {
  margin-top: 1.25rem;
}

.page-hmcy .hmcy-quick-answer {
  margin: 0.5rem 0 0;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  border-radius: var(--radius);
  color: #fff;
  font-size: 1.0625rem;
  line-height: 1.45;
}

.page-hmcy .hmcy-quick-answer-value {
  display: block;
  margin-top: 0.25rem;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 800;
  color: #fbbf24;
}

@media (min-width: 640px) {
  .page-hmcy .hmcy-tool-actions,
  .page-ft-yd .ft2yd-tool-actions,
  .page-sqft-sqyd .sy2-tool-actions,
  .page-sqyd-sqft .s2f-tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .page-hmcy .hmcy-convert-btn,
  .page-ft-yd .ft2yd-convert-btn,
  .page-sqft-sqyd .sy2-convert-btn,
  .page-sqyd-sqft .s2f-convert-btn {
    width: auto;
    flex: 1 1 auto;
  }
}

/* Cubic feet ↔ cubic yards converter */
.page-cf2cy .cf2cy-hero-compact {
  padding-top: 0.75rem;
  padding-bottom: 0.5rem;
}

.page-cf2cy .cf2cy-lead {
  max-width: 42rem;
  margin-bottom: 0;
}

.page-cf2cy .cf2cy-trust {
  margin-top: 0.75rem;
}

.page-cf2cy .cf2cy-tool-card {
  margin-top: 1rem;
}

.page-cf2cy .cf2cy-input-tabs-secondary {
  margin-top: 0.5rem;
}

.page-cf2cy .cf2cy-dim-grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .page-cf2cy .cf2cy-dim-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-cf2cy .cf2cy-field-primary input,
.page-cf2cy .cf2cy-dim-grid .calc-field input {
  font-size: 1.125rem;
  padding: 0.75rem 0.875rem;
  min-height: 3rem;
}

.page-cf2cy .cf2cy-convert-btn {
  min-height: 3rem;
  width: 100%;
}

.page-cf2cy .cf2cy-preset-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.page-cf2cy .cf2cy-preset-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.page-cf2cy .cf2cy-preset {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
}

.page-cf2cy .cf2cy-preset:hover {
  border-color: var(--navy);
  background: #f8fafc;
}

.page-cf2cy .cf2cy-results-hero .cc-hero-value {
  font-size: clamp(2rem, 6vw, 2.75rem);
}

.page-cf2cy .cf2cy-material-note {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-cf2cy .cf2cy-viz-stage {
  margin: 0.75rem 0 1rem;
}

@media (min-width: 640px) {
  .page-cf2cy .cf2cy-tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .page-cf2cy .cf2cy-convert-btn {
    width: auto;
    flex: 1 1 auto;
  }
}

/* Yards to tons calculator */
.page-y2t .y2t-hero-compact {
  padding-top: 0.75rem;
  padding-bottom: 0.5rem;
}

.page-y2t .y2t-lead,
.page-t2cy .t2cy-lead {
  max-width: 42rem;
  margin-bottom: 0;
}

.page-y2t .y2t-trust,
.page-t2cy .t2cy-trust {
  margin-top: 0.75rem;
}

.page-y2t .y2t-tool-card,
.page-t2cy .t2cy-tool-card {
  margin-top: 1rem;
}

.page-y2t .y2t-inputs-grid,
.page-t2cy .t2cy-inputs-grid {
  display: grid;
  gap: 0.75rem;
}

.page-y2t .y2t-field-primary input,
.page-y2t .y2t-select,
.page-t2cy .t2cy-field-primary input,
.page-t2cy .t2cy-select {
  font-size: 1.125rem;
  padding: 0.75rem 0.875rem;
  min-height: 3rem;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  background: #fff;
}

.page-y2t .y2t-calc-btn,
.page-t2cy .t2cy-calc-btn {
  min-height: 3rem;
  width: 100%;
}

.page-y2t .y2t-preset-row,
.page-t2cy .t2cy-preset-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.page-y2t .y2t-preset-label,
.page-t2cy .t2cy-preset-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
}

.page-y2t .y2t-preset,
.page-t2cy .t2cy-preset {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
}

.page-y2t .y2t-preset:hover,
.page-t2cy .t2cy-preset:hover {
  border-color: var(--navy);
  background: #f8fafc;
}

.page-y2t .y2t-results-hero .cc-hero-value,
.page-t2cy .t2cy-results-hero .cc-hero-value {
  font-size: clamp(2rem, 6vw, 2.75rem);
}

.page-y2t .y2t-note,
.page-t2cy .t2cy-note {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

@media (min-width: 640px) {
  .page-y2t .y2t-inputs-grid,
  .page-t2cy .t2cy-inputs-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-y2t .y2t-field-primary,
  .page-t2cy .t2cy-field-primary {
    grid-column: 1 / -1;
  }

  .page-y2t .y2t-tool-actions,
  .page-t2cy .t2cy-tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .page-y2t .y2t-calc-btn,
  .page-t2cy .t2cy-calc-btn {
    width: auto;
    flex: 1 1 auto;
  }
}

/* Excavation calculator */
.page-excavation .exc-hero-compact {
  padding-top: 0.75rem;
  padding-bottom: 0.5rem;
}

.page-excavation .exc-lead {
  max-width: 42rem;
  margin-bottom: 0;
}

.page-excavation .exc-trust {
  margin-top: 0.75rem;
}

.page-excavation .exc-tool-card {
  margin-top: 1rem;
}

.page-excavation .exc-preset-tabs {
  flex-wrap: wrap;
}

.page-excavation .exc-dim-grid {
  display: grid;
  gap: 0.75rem;
}

.page-excavation .exc-advanced {
  margin: 0.75rem 0;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.page-excavation .exc-advanced .toggle-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.page-excavation .exc-select {
  width: 100%;
  padding: 0.75rem 0.875rem;
  min-height: 3rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
}

.page-excavation .exc-calc-btn {
  min-height: 3rem;
  width: 100%;
}

.page-excavation .exc-results-hero .cc-hero-value {
  font-size: clamp(2rem, 6vw, 2.75rem);
}

.page-excavation .exc-viz-stage {
  margin: 0.75rem 0 1rem;
}

.page-excavation .exc-note {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.exc-example-card {
  padding: 1.25rem;
}

.exc-mobile-sticky {
  display: none;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.exc-mobile-sticky.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1025px) {
  .exc-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .exc-results-col .exc-results-hero {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (min-width: 640px) {
  .page-excavation .exc-dim-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-excavation .exc-tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .page-excavation .exc-calc-btn {
    width: auto;
    flex: 1 1 auto;
  }
}

@media (max-width: 1024px) {
  .exc-mobile-sticky {
    display: block;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    padding: 0.5rem 0.75rem calc(0.5rem + env(safe-area-inset-bottom, 0));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(8px);
  }

  .exc-mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    max-width: 1200px;
    margin: 0 auto;
    font-size: 0.875rem;
  }
}

/* E-E-A-T blocks (outside calculator wrappers only) */
.reviewed-by {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.reviewed-by strong {
  color: var(--text);
}

.page-intro-block {
  font-size: 1.0625rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.pro-tips {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: var(--radius-md);
}

.pro-tips h3 {
  font-size: 1.125rem;
  margin: 0 0 0.75rem;
}

.pro-tips ul {
  margin: 0;
  padding-left: 1.25rem;
}

.pro-tips li {
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.55;
}

.formula-display.eeat-formula {
  display: block;
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  font-family: ui-monospace, monospace;
  font-size: 0.9375rem;
}

#sources {
  font-size: 0.875rem;
  color: var(--muted);
}

#sources ol {
  padding-left: 1.25rem;
}

#sources li {
  margin-bottom: 0.5rem;
}

p.disclaimer {
  font-size: 0.875rem;
  color: var(--muted);
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.section.faq .faq-list {
  margin-top: 1rem;
}