/* =========================================================================
   BHIYENI CARPET & VINYL FLOORING — SHARED STYLESHEET
   Table of contents:
   1. CSS Custom Properties (swap these for your own design system)
   2. Reset & base
   3. Layout helpers
   4. Typography
   5. Buttons & links
   6. Header & navigation
   7. Hero sections
   8. Cards & grids
   9. Process timeline
   10. Stats
   11. Testimonials
   12. Comparison table
   13. Pricing tiers
   14. FAQ accordion
   15. Before / after
   16. Forms
   17. Footer
   18. Breadcrumbs & badges
   19. Utilities & responsive
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES
   ------------------------------------------------------------------------- */
:root {
  /* Brand colors — sourced from the Bhiyeni mark. Swap these for your own. */
  --color-navy-900: #0d0a52;
  --color-navy-800: #16124f;
  --color-navy-700: #23206b;
  --color-navy-600: #34317f;
  --color-orange-600: #e4720a;
  --color-orange-500: #f5820a;
  --color-orange-400: #ff9d33;
  --color-gray-600: #7c7c86;
  --color-gray-400: #9a9a9a;
  --color-gray-200: #d8d8e0;

  /* Neutral surface & text scale */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f6fa;
  --color-bg-sunken: #eeeef4;
  --color-ink: #14142b;
  --color-ink-soft: #4a4a5e;
  --color-ink-mute: #74748a;
  --color-border: #e3e3ec;
  --color-border-strong: #c8c8d6;
  --color-white: #ffffff;

  /* Semantic aliases */
  --color-primary: var(--color-navy-900);
  --color-primary-hover: var(--color-navy-700);
  --color-accent: var(--color-orange-500);
  --color-accent-hover: var(--color-orange-600);
  --color-accent-ink: #3a1e02;
  --color-focus: #1d6fd6;

  /* Typography */
  --font-heading: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "Courier New", Courier, monospace;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.6rem;
  --fs-xl: 2.1rem;
  --fs-2xl: 2.75rem;
  --fs-3xl: 3.6rem;

  --lh-tight: 1.1;
  --lh-snug: 1.3;
  --lh-normal: 1.6;
  --lh-loose: 1.8;

  --tracking-tight: -0.02em;
  --tracking-wide: 0.08em;
  --tracking-wider: 0.16em;

  /* Spacing scale (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(13, 10, 82, 0.06);
  --shadow-md: 0 8px 24px rgba(13, 10, 82, 0.1);
  --shadow-lg: 0 20px 48px rgba(13, 10, 82, 0.16);

  /* Layout */
  --container-w: 1240px;
  --container-pad: var(--space-5);
  --border-w: 1px;
  --transition: 180ms ease;
}

/* -------------------------------------------------------------------------
   2. RESET & BASE
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
svg { display: block; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-family: var(--font-heading); font-weight: 700; letter-spacing: var(--tracking-tight); color: var(--color-primary); line-height: var(--lh-tight); }
p { margin: 0; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }
button { font-family: inherit; }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* -------------------------------------------------------------------------
   3. LAYOUT HELPERS
   ------------------------------------------------------------------------- */
.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.section {
  padding-block: var(--space-9);
}
.section--tight { padding-block: var(--space-7); }
.section--navy {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.92);
}
.section--navy h1, .section--navy h2, .section--navy h3 { color: var(--color-white); }
.section--sunken { background: var(--color-bg-sunken); }
.section--alt { background: var(--color-bg-alt); }

.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }

/* -------------------------------------------------------------------------
   4. TYPOGRAPHY
   ------------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-hover);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 3px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}
.section--navy .eyebrow { color: var(--color-orange-400); }
.section--navy .eyebrow::before { background: var(--color-orange-400); }

h1.display { font-size: var(--fs-3xl); }
h2.display { font-size: var(--fs-2xl); }
.lede { font-size: var(--fs-md); color: var(--color-ink-soft); line-height: var(--lh-loose); max-width: 60ch; }
.section--navy .lede { color: rgba(255,255,255,0.78); }
.text-muted { color: var(--color-ink-mute); }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* -------------------------------------------------------------------------
   5. BUTTONS & LINKS
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9em 1.6em;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.01em;
  border: var(--border-w) solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.btn-primary:hover { background: var(--color-accent-hover); color: var(--color-accent-ink); }
.btn-secondary { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.5); }
.btn-secondary:hover { background: rgba(255,255,255,0.12); color: var(--color-white); border-color: var(--color-white); }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-border-strong); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; }
.btn-sm { padding: 0.6em 1.2em; font-size: var(--fs-xs); }

.icon { width: 1em; height: 1em; flex: none; }
.icon-lg { width: 28px; height: 28px; }

/* -------------------------------------------------------------------------
   6. HEADER & NAVIGATION
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: var(--border-w) solid var(--color-border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-3); gap: var(--space-6); }
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand img { height: 40px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-family: var(--font-heading); font-weight: 800; letter-spacing: 0.02em; color: var(--color-primary); font-size: 1.05rem; }
.brand-text span { font-size: var(--fs-xs); color: var(--color-ink-mute); }

.main-nav { display: flex; align-items: center; gap: var(--space-6); }
.nav-links { display: flex; align-items: center; gap: var(--space-5); flex-wrap: wrap; }
.nav-links > li { position: relative; }
.nav-links a { font-size: var(--fs-sm); font-weight: 600; color: var(--color-ink); padding: var(--space-2) 0; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--color-accent-hover); }
.nav-links .has-sub:hover .sub-menu,
.nav-links .has-sub:focus-within .sub-menu { display: block; }
.sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--color-white);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  margin-top: var(--space-3);
}
.sub-menu li a { display: block; padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); font-weight: 500; }
.sub-menu li a:hover { background: var(--color-bg-alt); color: var(--color-accent-hover); }
.header-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle { display: none; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  z-index: 100;
  border-radius: var(--radius-sm);
}
.skip-link:focus { left: var(--space-3); top: var(--space-3); }

/* -------------------------------------------------------------------------
   7. HERO
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-white);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("images/projects/hnls-rob-ferreira-mp/01.jpg");
  background-size: cover;
  background-position: center right;
  opacity: 0.55;
  transform: scale(1.08);
  transition: transform 900ms ease, opacity 500ms ease;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-primary) 0%, rgba(13,10,82,0.92) 38%, rgba(13,10,82,0.55) 68%, rgba(13,10,82,0.35) 100%);
  z-index: 0;
}
.hero:hover::before { transform: scale(1); opacity: 0.7; }
.hero .container {
  position: relative;
  z-index: 2;
  padding-block: var(--space-10);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: center;
}
.hero-marks {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.mark-square {
  position: absolute;
  opacity: 0.9;
}
.hero h1 { color: var(--color-white); font-size: var(--fs-3xl); margin-bottom: var(--space-5); }
.hero .lede { color: rgba(255,255,255,0.8); margin-bottom: var(--space-6); }
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-7); }
.hero-proof { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.hero-proof .proof-item { display: flex; flex-direction: column; }
.hero-proof strong { font-size: var(--fs-lg); color: var(--color-orange-400); font-family: var(--font-heading); }
.hero-proof span { font-size: var(--fs-xs); color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: var(--tracking-wide); }

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual--duotone img {
  filter: grayscale(1) sepia(0.35) hue-rotate(190deg) saturate(2.2) brightness(0.85) contrast(1.05);
  transform: scale(1.06);
  transition: filter 600ms ease, transform 600ms ease;
}
.hero-visual--duotone:hover img,
.hero-visual--duotone:focus-within img {
  filter: grayscale(0) sepia(0) hue-rotate(0deg) saturate(1) brightness(1) contrast(1);
  transform: scale(1);
}
.hero-visual--duotone::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,10,82,0.05), rgba(13,10,82,0.35));
  mix-blend-mode: multiply;
  opacity: 1;
  transition: opacity 600ms ease;
  pointer-events: none;
}
.hero-visual--duotone:hover::after,
.hero-visual--duotone:focus-within::after { opacity: 0; }
.hero-visual figcaption {
  position: absolute;
  left: var(--space-5);
  right: var(--space-5);
  bottom: var(--space-5);
  background: rgba(13, 10, 82, 0.72);
  backdrop-filter: blur(6px);
  color: var(--color-white);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transform: translateY(6px);
  opacity: 0.85;
  transition: transform 400ms ease, opacity 400ms ease;
}
.hero-visual--duotone:hover figcaption,
.hero-visual--duotone:focus-within figcaption {
  transform: translateY(0);
  opacity: 1;
}

.page-hero {
  background: var(--color-bg-alt);
  color: var(--color-ink);
  position: relative;
  overflow: hidden;
  border-bottom: var(--border-w) solid var(--color-border);
}
.page-hero .container { position: relative; z-index: 2; padding-block: var(--space-9) var(--space-8); }
.page-hero h1 { color: var(--color-primary); font-size: var(--fs-2xl); margin-block: var(--space-4); max-width: 32ch; }
.page-hero .lede { color: var(--color-ink-soft); }

/* -------------------------------------------------------------------------
   8. CARDS & GRIDS
   ------------------------------------------------------------------------- */
.card {
  background: var(--color-white);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--color-border-strong); }
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-hover);
  margin-bottom: var(--space-5);
}
.card h3 { font-size: var(--fs-md); margin-bottom: var(--space-3); }
.card p { color: var(--color-ink-soft); }
.card-list { margin-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.card-list li { display: flex; gap: var(--space-2); font-size: var(--fs-sm); color: var(--color-ink-soft); align-items: flex-start; }
.card-list svg { color: var(--color-accent-hover); margin-top: 3px; }
.card-link { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 700; margin-top: var(--space-5); color: var(--color-primary); }
.card-link:hover { color: var(--color-accent-hover); }

.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-6); margin-bottom: var(--space-7); flex-wrap: wrap; }
.section-head h2 { margin-top: var(--space-3); }

/* Portfolio / gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-bg-sunken);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms ease; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-5);
  background: linear-gradient(to top, rgba(13,10,82,0.88), rgba(13,10,82,0));
  color: var(--color-white);
}
.gallery-caption strong { display: block; font-family: var(--font-heading); font-size: var(--fs-sm); }
.gallery-caption span { font-size: var(--fs-xs); color: rgba(255,255,255,0.75); }
.gallery-tag {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* Sector grid */
.sector-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.sector-card {
  background: var(--color-white);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.sector-card .card-icon { width: 44px; height: 44px; margin-bottom: 0; }
.sector-card h3 { font-size: var(--fs-base); }
.sector-card p { font-size: var(--fs-xs); color: var(--color-ink-mute); }

/* -------------------------------------------------------------------------
   9. PROCESS TIMELINE
   ------------------------------------------------------------------------- */
.timeline { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-5); counter-reset: step; }
.timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 6%;
  right: 6%;
  height: 2px;
  background: var(--color-border-strong);
}
.timeline-step { position: relative; display: flex; flex-direction: column; gap: var(--space-3); }
.timeline-num {
  counter-increment: step;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-md);
  z-index: 1;
  border: 4px solid var(--color-bg-alt);
}
.timeline-step:nth-child(odd) .timeline-num { background: var(--color-accent); color: var(--color-accent-ink); }
.timeline-step h3 { font-size: var(--fs-base); }
.timeline-step p { font-size: var(--fs-sm); color: var(--color-ink-soft); }

/* -------------------------------------------------------------------------
   10. STATS
   ------------------------------------------------------------------------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.stat { text-align: center; padding: var(--space-6) var(--space-4); border-right: var(--border-w) solid var(--color-border); }
.stat:last-child { border-right: none; }
.stat strong { display: block; font-family: var(--font-heading); font-size: var(--fs-3xl); color: var(--color-accent-hover); line-height: 1; margin-bottom: var(--space-3); }
.stat span { font-size: var(--fs-sm); color: var(--color-ink-mute); }

/* -------------------------------------------------------------------------
   11. TESTIMONIALS
   ------------------------------------------------------------------------- */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.testimonial {
  background: var(--color-white);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.testimonial .stars { display: flex; gap: 4px; color: var(--color-accent); }
.testimonial p.quote { font-size: var(--fs-base); color: var(--color-ink); line-height: var(--lh-loose); }
.testimonial-author { display: flex; align-items: center; gap: var(--space-3); margin-top: auto; }
.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-navy-900);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-heading);
}
.testimonial-author strong { display: block; font-size: var(--fs-sm); }
.testimonial-author span { font-size: var(--fs-xs); color: var(--color-ink-mute); }

/* -------------------------------------------------------------------------
   12. COMPARISON TABLE
   ------------------------------------------------------------------------- */
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--color-white); border-radius: var(--radius-lg); overflow: hidden; border: var(--border-w) solid var(--color-border); }
.compare-table th, .compare-table td { padding: var(--space-4) var(--space-5); text-align: left; border-bottom: var(--border-w) solid var(--color-border); font-size: var(--fs-sm); }
.compare-table thead th { background: var(--color-bg-alt); font-family: var(--font-heading); text-transform: uppercase; letter-spacing: var(--tracking-wide); font-size: var(--fs-xs); color: var(--color-ink-mute); }
.compare-table tbody th { font-weight: 700; color: var(--color-primary); white-space: nowrap; }
.compare-table tbody tr:last-child td, .compare-table tbody tr:last-child th { border-bottom: none; }
.compare-table td.yes { color: #1a7a3f; font-weight: 700; }
.compare-table td.no { color: var(--color-ink-mute); }
.compare-table tbody tr:hover { background: var(--color-bg-alt); }

/* -------------------------------------------------------------------------
   13. PRICING / SCOPE TIERS
   ------------------------------------------------------------------------- */
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); align-items: stretch; }
.tier {
  background: var(--color-white);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.tier--featured { border-color: var(--color-accent); box-shadow: var(--shadow-md); position: relative; }
.tier-badge {
  position: absolute;
  top: -14px;
  left: var(--space-6);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.tier-name { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--color-ink-mute); font-weight: 700; }
.tier-price { font-family: var(--font-heading); font-size: var(--fs-xl); color: var(--color-primary); }
.tier-price span { font-size: var(--fs-sm); color: var(--color-ink-mute); font-weight: 400; }
.tier ul { display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.tier li { display: flex; gap: var(--space-2); font-size: var(--fs-sm); color: var(--color-ink-soft); }
.tier li svg { color: var(--color-accent-hover); flex: none; margin-top: 3px; }

/* -------------------------------------------------------------------------
   14. FAQ ACCORDION (CSS only)
   ------------------------------------------------------------------------- */
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  background: var(--color-white);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: var(--space-5) var(--space-6);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  list-style: none;
  font-size: var(--fs-base);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-accent-hover);
  transition: transform var(--transition);
  flex: none;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 var(--space-6) var(--space-6); color: var(--color-ink-soft); font-size: var(--fs-sm); line-height: var(--lh-loose); }
.faq-item:hover { border-color: var(--color-border-strong); }

/* -------------------------------------------------------------------------
   15. BEFORE / AFTER
   ------------------------------------------------------------------------- */
.ba-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.ba-panel { position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; }
.ba-panel img { width: 100%; height: 100%; object-fit: cover; }
.ba-label {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}
.ba-label--before { background: var(--color-ink); color: var(--color-white); }
.ba-label--after { background: var(--color-accent); color: var(--color-accent-ink); }

/* -------------------------------------------------------------------------
   16. FORMS
   ------------------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.form-field { display: flex; flex-direction: column; gap: var(--space-2); }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: var(--fs-sm); font-weight: 700; color: var(--color-primary); }
.form-field .req { color: var(--color-accent-hover); }
.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: var(--fs-base);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  border: var(--border-w) solid var(--color-border-strong);
  background: var(--color-white);
  color: var(--color-ink);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field textarea { resize: vertical; min-height: 140px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--color-focus);
  box-shadow: 0 0 0 3px rgba(29, 111, 214, 0.15);
  outline: none;
}
.form-field .hint { font-size: var(--fs-xs); color: var(--color-ink-mute); }
fieldset { border: var(--border-w) solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-5); }
fieldset legend { font-weight: 700; font-family: var(--font-heading); color: var(--color-primary); padding: 0 var(--space-2); }
.checkbox-row { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--fs-sm); color: var(--color-ink-soft); }
.checkbox-row input { margin-top: 4px; }

/* -------------------------------------------------------------------------
   17. FOOTER
   ------------------------------------------------------------------------- */
.site-footer { background: var(--color-navy-900); color: rgba(255,255,255,0.7); }
.footer-top { padding-block: var(--space-9); display: grid; grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr; gap: var(--space-6); }
.footer-brand .brand-text strong { color: var(--color-white); }
.footer-brand .brand-text span { color: rgba(255,255,255,0.6); }
.footer-brand p { margin-top: var(--space-4); font-size: var(--fs-sm); color: rgba(255,255,255,0.65); max-width: 34ch; }
.footer-col h4 { color: var(--color-white); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: var(--tracking-wide); margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { color: rgba(255,255,255,0.7); font-size: var(--fs-sm); }
.footer-col a:hover { color: var(--color-orange-400); }
.footer-contact li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--fs-sm); }
.footer-contact svg { flex: none; color: var(--color-orange-400); margin-top: 2px; }
.social-row { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.social-row a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  border: var(--border-w) solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}
.social-row a:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
.footer-bottom { border-top: var(--border-w) solid rgba(255,255,255,0.12); padding-block: var(--space-5); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-3); }
.footer-bottom small { font-size: var(--fs-xs); color: rgba(255,255,255,0.55); }
.footer-bottom small a { color: rgba(255,255,255,0.8); text-decoration: underline; text-underline-offset: 2px; }
.footer-bottom small a:hover { color: var(--color-orange-400); }
.footer-legal { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.footer-legal a { font-size: var(--fs-xs); color: rgba(255,255,255,0.55); }
.footer-legal a:hover { color: var(--color-white); }

/* -------------------------------------------------------------------------
   18. BREADCRUMBS & BADGES
   ------------------------------------------------------------------------- */
.breadcrumbs { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; font-size: var(--fs-xs); color: var(--color-ink-mute); margin-bottom: var(--space-5); }
.breadcrumbs a { color: var(--color-ink-soft); }
.breadcrumbs a:hover { color: var(--color-accent-hover); }
.breadcrumbs .sep { opacity: 0.5; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-bg-alt);
  color: var(--color-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  border: var(--border-w) solid var(--color-border);
}
.badge-row { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(120deg, var(--color-orange-500), var(--color-orange-600));
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  color: var(--color-accent-ink);
}
.cta-banner h2 { color: var(--color-accent-ink); font-size: var(--fs-xl); }
.cta-banner .btn-primary { background: var(--color-navy-900); color: var(--color-white); }
.cta-banner .btn-primary:hover { background: var(--color-navy-700); }

/* -------------------------------------------------------------------------
   19. UTILITIES & RESPONSIVE
   ------------------------------------------------------------------------- */
.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); } .mt-6 { margin-top: var(--space-6); } .mt-7 { margin-top: var(--space-7); }
.mb-3 { margin-bottom: var(--space-3); } .mb-4 { margin-bottom: var(--space-4); } .mb-5 { margin-bottom: var(--space-5); }

.divider-shapes { position: relative; height: 0; }
.floating-square { position: absolute; border-radius: var(--radius-sm); }

@media (max-width: 1080px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { max-width: 480px; }
  .sector-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; border-bottom: var(--border-w) solid var(--color-border); }
  .testimonial-grid, .tier-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .timeline::before { display: none; }
}

@media (max-width: 860px) {
  .site-header { backdrop-filter: none; }
  .main-nav { position: fixed; inset: 64px 0 0 0; background: var(--color-white); flex-direction: column; align-items: stretch; padding: var(--space-6); overflow-y: auto; transform: translateX(100%); transition: transform 220ms ease; z-index: 60; }
  .nav-toggle:checked ~ .main-nav { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a { display: block; padding: var(--space-4) 0; border-bottom: var(--border-w) solid var(--color-border); }
  .sub-menu { position: static; display: block; box-shadow: none; border: none; margin: 0; padding-left: var(--space-4); }
  .header-cta { margin-top: var(--space-6); flex-direction: column; align-items: stretch; }
  .nav-label { display: inline-flex; }
}

@media (min-width: 861px) {
  .nav-label { display: none; }
}

@media (max-width: 720px) {
  :root { --fs-3xl: 2.4rem; --fs-2xl: 2rem; --fs-xl: 1.7rem; --container-pad: var(--space-4); }
  .grid-2, .grid-3, .grid-4,
  .sector-grid, .stats-grid, .testimonial-grid, .tier-grid, .gallery-grid,
  .footer-top, .form-grid, .ba-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .stat { border-bottom: none; padding-block: var(--space-4); }
  .section { padding-block: var(--space-7); }
  .section-head { flex-direction: column; align-items: flex-start; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
  .compare-table { display: block; overflow-x: auto; }
}