@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500&family=Inter:wght@400;500;600&family=Playfair+Display:wght@600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Blueprint / job-site palette */
  --navy-950: #0B1220;
  --navy-800: #16233B;
  --navy-600: #2C4066;
  --concrete-100: #F3F1EC;
  --concrete-200: #E8E4DB;
  --charcoal-900: #1A1F26;
  --slate-500: #5B6472;
  --safety-orange-500: #F2652A;
  --safety-orange-100: #FDE6DA;

  /* Legacy aliases (map to new tokens sitewide) */
  --steel: var(--navy-600);
  --steel-dark: var(--navy-950);
  --concrete: var(--concrete-100);
  --concrete-mid: #bdc3c7;
  --safety: var(--safety-orange-500);
  --safety-dark: #d35400;
  --accent: var(--safety-orange-500);
  --white: #ffffff;
  --text: var(--charcoal-900);
  --text-muted: var(--slate-500);
  --shadow: 0 2px 8px rgba(11, 18, 32, 0.08);
  --shadow-hover: 0 6px 20px rgba(11, 18, 32, 0.12);
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: "Inter", var(--font);
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;
  --header-height: 4rem;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--concrete-100);
}

body.nav-open { overflow: hidden; }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 300;
  background: var(--navy-950);
  color: var(--white);
  border-bottom: 4px solid var(--safety-orange-500);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-height);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--safety-orange-500);
  border-radius: 4px;
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
}

.tagline-bar {
  background: var(--navy-800);
  border-top: 1px solid var(--navy-600);
}

.tagline-bar p {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.35rem 1.25rem;
  font-size: 0.8rem;
  color: var(--concrete-mid);
}

/* ── Main nav ── */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.4rem;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

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

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

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

.main-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: var(--steel-dark);
  padding: 1.5rem 1.25rem 2rem;
  overflow-y: auto;
  z-index: 250;
}

.main-nav.is-open { display: block; }

.main-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.main-nav a {
  display: block;
  padding: 0.85rem 1rem;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--safety-orange-500);
  outline: none;
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }

  .main-nav {
    display: block;
    position: static;
    inset: auto;
    background: transparent;
    padding: 0;
    overflow: visible;
  }

  .main-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 0.15rem;
  }

  .main-nav a {
    padding: 0.5rem 0.85rem;
    font-size: 0.9rem;
  }
}

/* ── Category jump nav (homepage) ── */
.cat-nav {
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  background: var(--steel);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-bottom: 2px solid var(--safety-dark);
}

.cat-nav::-webkit-scrollbar { display: none; }

.cat-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 0;
  padding: 0 0.5rem;
  white-space: nowrap;
}

.cat-nav a {
  display: inline-block;
  padding: 0.65rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: color 0.15s, background 0.15s;
}

.cat-nav a:hover,
.cat-nav a:focus-visible {
  color: var(--safety);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

/* ── Main layout ── */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

/* ── Hero (homepage) ── */
.hero {
  position: relative;
  overflow: hidden;
  margin: 0 -1.25rem 0.35rem;
  padding: 1.65rem 1.25rem 1.1rem;
  text-align: center;
  background: var(--concrete-100);
  border-bottom: 1px solid var(--concrete-200);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 1;
  pointer-events: none;
}

.hero-pattern svg {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-content::before {
  content: "";
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(560px, 92vw);
  height: 11rem;
  background: radial-gradient(
    ellipse at center,
    rgba(242, 101, 42, 0.055) 0%,
    rgba(242, 101, 42, 0.02) 45%,
    transparent 72%
  );
  pointer-events: none;
  z-index: -1;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5vw, 2.6rem);
  font-weight: 700;
  color: var(--charcoal-900);
  letter-spacing: -0.01em;
  line-height: 1.18;
  margin-bottom: 0.6rem;
}

.hero p {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--slate-500);
  max-width: 640px;
  margin: 0 auto 1.15rem;
  line-height: 1.65;
}

.search-wrap {
  max-width: 520px;
  margin: 0 auto;
  position: relative;
  padding: 7px;
}

.search-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.55;
  transition: opacity 0.2s ease;
  background:
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left top / 12px 2px no-repeat,
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left top / 2px 12px no-repeat,
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right top / 12px 2px no-repeat,
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right top / 2px 12px no-repeat,
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left bottom / 12px 2px no-repeat,
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left bottom / 2px 12px no-repeat,
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right bottom / 12px 2px no-repeat,
    linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right bottom / 2px 12px no-repeat;
}

.search-wrap:focus-within::before {
  opacity: 1;
}

.search-wrap label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.search-wrap input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 500;
  border: 1px solid var(--concrete-200);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--charcoal-900);
  box-shadow: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  z-index: 1;
}

.search-wrap input:focus {
  outline: none;
  border-color: var(--safety-orange-500);
  box-shadow: 0 0 0 4px var(--safety-orange-100), 0 4px 16px rgba(242, 101, 42, 0.12);
}

.search-icon {
  position: absolute;
  left: calc(0.9rem + 7px);
  top: 50%;
  transform: translateY(-50%);
  color: var(--safety-orange-500);
  pointer-events: none;
  z-index: 3;
}

.hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.6rem;
  margin: 1rem auto 0;
  padding: 0;
  max-width: 680px;
}

.hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem 0.45rem 0.45rem;
  background: var(--white);
  border: 1px solid var(--concrete-200);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--charcoal-900);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: -0.02em;
  color: var(--charcoal-900);
}

.hero-stat svg {
  flex-shrink: 0;
  width: 0.875rem;
  height: 0.875rem;
  padding: 0.38rem;
  box-sizing: content-box;
  background: var(--safety-orange-100);
  border-radius: 50%;
  color: var(--safety-orange-500);
}

.hero-cats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  margin: 0.875rem auto 0;
  max-width: 720px;
}

.hero-cat-pill {
  display: inline-block;
  padding: 0.42rem 0.9rem;
  background: var(--navy-950);
  border: none;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.hero-cat-pill:hover,
.hero-cat-pill:focus-visible {
  background: var(--safety-orange-500);
  color: var(--white);
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(242, 101, 42, 0.28);
}

@media (max-width: 640px) {
  .hero {
    padding: 1.35rem 1rem 1rem;
  }

  .hero h1 {
    font-size: clamp(1.65rem, 7.5vw, 2rem);
  }

  .search-wrap {
    padding: 5px;
  }

  .search-wrap::before {
    background:
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left top / 10px 2px no-repeat,
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left top / 2px 10px no-repeat,
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right top / 10px 2px no-repeat,
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right top / 2px 10px no-repeat,
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left bottom / 10px 2px no-repeat,
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) left bottom / 2px 10px no-repeat,
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right bottom / 10px 2px no-repeat,
      linear-gradient(var(--safety-orange-500), var(--safety-orange-500)) right bottom / 2px 10px no-repeat;
  }

  .search-icon {
    left: calc(0.75rem + 5px);
    width: 18px;
    height: 18px;
  }

  .hero-stats,
  .hero-cats {
    gap: 0.4rem;
  }

  .hero-stat {
    font-size: 0.72rem;
    padding: 0.4rem 0.7rem 0.4rem 0.4rem;
  }

  .hero-stat-value {
    font-size: 0.76rem;
  }

  .hero-cats {
    flex-wrap: wrap;
    justify-content: center;
    overflow: visible;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding: 0;
  }
}

.hero + .ad-label {
  margin-top: 0.25rem;
}

.hero + .ad-label + .ad-slot {
  margin-top: 0.45rem;
  margin-bottom: 1.15rem;
}

.search-count {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 1.25rem;
}

.no-results {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.no-results.visible { display: block; }

/* ── Content pages ── */
.page-content {
  padding: 2.5rem 0 2rem;
  max-width: 760px;
}

.page-content.wide {
  max-width: 1200px;
}

.page-content h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.05rem);
  font-weight: 700;
  color: var(--steel-dark);
  letter-spacing: -0.01em;
  line-height: 1.22;
  margin-bottom: 0.5rem;
}

.page-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--concrete-mid);
}

.page-content h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--steel-dark);
  line-height: 1.3;
  margin: 2rem 0 0.75rem;
}

.page-content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--steel);
  line-height: 1.35;
  margin: 1.5rem 0 0.5rem;
}

.page-content p,
.page-content li {
  color: var(--text);
  margin-bottom: 1rem;
}

.page-content ul,
.page-content ol {
  margin: 0 0 1rem 1.25rem;
}

.page-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-content a:hover,
.page-content a:focus-visible {
  color: var(--safety-dark);
  outline: none;
}

.content-card {
  background: var(--white);
  border: 1px solid rgba(189, 195, 199, 0.6);
  border-left: 4px solid var(--safety);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow);
}

/* ── Forms ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--steel-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid var(--concrete-mid);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--safety);
  box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.25);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--steel-dark);
  background: var(--safety);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
  text-decoration: none;
}

.btn:hover,
.btn:focus-visible {
  background: var(--safety-dark);
  outline: none;
}

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

.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ── Ad slots ── */
.ad-slot {
  margin: 1.5rem auto;
  text-align: center;
  min-height: 90px;
  background: rgba(189, 195, 199, 0.25);
  border: 1px dashed var(--concrete-mid);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ad-slot ins {
  display: block;
  width: 100%;
}

.ad-label {
  font-size: 0.7rem;
  color: var(--concrete-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
  text-align: center;
}

/* ── Category sections ── */
.category {
  margin-top: 3.5rem;
  margin-bottom: 0;
  scroll-margin-top: calc(var(--header-height) + 3rem);
}

.category:first-of-type {
  margin-top: 2rem;
}

.category.hidden { display: none; }

.category-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.category-header-text {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-top: 0.15rem;
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--cat-color, var(--safety-orange-500));
  border-radius: 10px;
  flex-shrink: 0;
  color: var(--white);
}

.category-icon svg {
  width: 26px;
  height: 26px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.category h2 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.8vw, 1.42rem);
  font-weight: 700;
  color: var(--charcoal-900);
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.category-heading-rule {
  display: block;
  width: 72px;
  height: 3px;
  background: var(--cat-color, var(--safety-orange-500));
  border-radius: 2px;
}

.category-intro {
  max-width: 680px;
  margin: 0 0 1rem;
  padding-left: calc(48px + 1rem);
  color: var(--slate-500);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.65;
}

@media (max-width: 374px) {
  .category-intro {
    padding-left: calc(42px + 0.85rem);
    font-size: 0.9rem;
  }
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  list-style: none;
}

@media (min-width: 768px) {
  .calc-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .calc-grid { grid-template-columns: repeat(4, 1fr); }
}

.calc-grid li.hidden { display: none; }

.calc-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--concrete-200);
  border-radius: 12px;
  color: var(--charcoal-900);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  line-height: 1.4;
  box-shadow: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  height: 100%;
  position: relative;
}

.calc-link--soon {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.calc-link--soon:hover,
.calc-link--soon:focus-visible {
  transform: none;
  box-shadow: none;
  border-color: var(--concrete-200);
}

.calc-link-soon-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--slate-500);
  background: var(--concrete-200);
  border-radius: 999px;
  line-height: 1.3;
}

.calc-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--cat-color-soft, rgba(242, 101, 42, 0.12));
  color: var(--cat-color, var(--safety-orange-500));
  flex-shrink: 0;
}

.calc-link-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.calc-link-text {
  flex: 1;
  min-width: 0;
}

.calc-link:hover,
.calc-link:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border-color: var(--cat-color, var(--safety-orange-500));
  outline: none;
}

@media (max-width: 374px) {
  .category-icon {
    width: 42px;
    height: 42px;
    border-radius: 8px;
  }

  .category-icon svg {
    width: 22px;
    height: 22px;
  }

  .calc-link {
    padding: 14px;
    gap: 0.7rem;
    font-size: 0.85rem;
  }

  .calc-link-icon {
    width: 36px;
    height: 36px;
  }

  .calc-link-icon svg {
    width: 20px;
    height: 20px;
  }
}

/* Sitemap simple link list */
.sitemap-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

@media (min-width: 480px) {
  .sitemap-links { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .sitemap-links { grid-template-columns: repeat(3, 1fr); }
}

.sitemap-links a {
  display: block;
  padding: 0.5rem 0;
  color: var(--steel-dark);
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(189, 195, 199, 0.4);
}

.sitemap-links a:hover,
.sitemap-links a:focus-visible {
  color: var(--safety-dark);
  outline: none;
}

/* Category accent colors */
.cat-concrete   { --cat-color: #8B8378; --cat-color-soft: rgba(139, 131, 120, 0.15); }
.cat-roofing    { --cat-color: #4A6FA5; --cat-color-soft: rgba(74, 111, 165, 0.15); }
.cat-flooring   { --cat-color: #A0714F; --cat-color-soft: rgba(160, 113, 79, 0.15); }
.cat-walls      { --cat-color: #B5573F; --cat-color-soft: rgba(181, 87, 63, 0.15); }
.cat-structural { --cat-color: #5B7C8D; --cat-color-soft: rgba(91, 124, 141, 0.15); }
.cat-plumbing   { --cat-color: #3D8B85; --cat-color-soft: rgba(61, 139, 133, 0.15); }
.cat-landscape  { --cat-color: #5B8C5A; --cat-color-soft: rgba(91, 140, 90, 0.15); }
.cat-windows    { --cat-color: #C9962C; --cat-color-soft: rgba(201, 150, 44, 0.15); }
.cat-extensions { --cat-color: #5C5A8C; --cat-color-soft: rgba(92, 90, 140, 0.15); }
.cat-uk         { --cat-color: #5B6472; --cat-color-soft: rgba(91, 100, 114, 0.12); }
.cat-pages      { --cat-color: var(--safety-orange-500); --cat-color-soft: rgba(242, 101, 42, 0.12); }

/* UK section cards inherit thematic accents */
.calc-theme-roofing    { --cat-color: #4A6FA5; --cat-color-soft: rgba(74, 111, 165, 0.15); }
.calc-theme-landscape  { --cat-color: #5B8C5A; --cat-color-soft: rgba(91, 140, 90, 0.15); }
.calc-theme-walls      { --cat-color: #B5573F; --cat-color-soft: rgba(181, 87, 63, 0.15); }
.calc-theme-windows    { --cat-color: #C9962C; --cat-color-soft: rgba(201, 150, 44, 0.15); }

/* ── Homepage: Why Use section ── */
.home-why {
  margin: 3rem -1.25rem 0;
  padding: 4.5rem 1.25rem;
  background: var(--navy-950);
  color: var(--concrete-100);
}

.home-why-inner {
  max-width: 700px;
  margin: 0 auto;
}

.home-why h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.2vw, 1.6rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.home-why p {
  font-family: var(--font-body);
  font-size: 0.975rem;
  line-height: 1.7;
  color: var(--concrete-100);
  margin-bottom: 1rem;
}

.home-why p:last-of-type {
  margin-bottom: 2rem;
}

.home-why-features {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.home-why-features li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white);
}

.home-why-features svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  stroke: var(--safety-orange-500);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Homepage: FAQ section ── */
.home-faq {
  margin: 0 -1.25rem;
  padding: 3.5rem 1.25rem 4rem;
  background: var(--concrete-100);
}

.home-faq-inner {
  max-width: 780px;
  margin: 0 auto;
}

.home-faq h2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.2vw, 1.6rem);
  font-weight: 700;
  color: var(--charcoal-900);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 1.5rem;
  text-align: center;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--concrete-200);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.15rem;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--charcoal-900);
  text-align: left;
  cursor: pointer;
  line-height: 1.45;
}

.faq-question:hover,
.faq-question:focus-visible {
  outline: none;
  color: var(--navy-950);
}

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  stroke: var(--safety-orange-500);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.2s ease;
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.2s ease;
}

.faq-item.is-open .faq-answer-wrap {
  grid-template-rows: 1fr;
}

.faq-answer {
  min-height: 0;
  overflow: hidden;
  padding: 0 1.15rem;
  font-family: var(--font-body);
  font-size: 0.925rem;
  line-height: 1.65;
  color: var(--slate-500);
}

.faq-item.is-open .faq-answer {
  padding-bottom: 1.1rem;
}

/* ── Footer ── */
.site-footer {
  background: var(--steel-dark);
  color: var(--concrete-mid);
  padding: 2.5rem 1.25rem 0;
  margin-top: 1rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

@media (min-width: 600px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

.footer-col h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--safety);
  margin-bottom: 0.85rem;
}

.footer-brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.35rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--concrete-mid);
  line-height: 1.5;
  margin-bottom: 0;
}

.footer-col ul {
  list-style: none;
}

.footer-col li { margin-bottom: 0.45rem; }

.footer-col a {
  color: var(--concrete-mid);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--safety);
  outline: none;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(189, 195, 199, 0.6);
  margin: 0;
}

/* ── Back to top ── */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--safety);
  color: var(--steel-dark);
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s, background 0.15s;
  z-index: 200;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  background: var(--safety-dark);
  outline: none;
}