/* =========================================================
   BIANCO CARRARA — Natural Stone Export
   Design tokens
   ========================================================= */
:root{
  /* --- Color: named after the stones themselves --- */
  --ink:        #211f1c;   /* basalt — primary text / dark ground */
  --paper:      #f6f2ea;   /* marble white — base background */
  --stone:      #e7dfcd;   /* travertine beige — alt section bg */
  --taupe:      #8c8272;   /* vein grey — secondary text */
  --amber:      #b8752e;   /* onyx copper — accent / links / cta */
  --amber-deep: #8f5a20;   /* pressed / hover state of accent */
  --line:       #d8cdb8;   /* hairline rule */
  --line-dark:  rgba(246,242,234,0.18);

  /* --- Type --- */
  --f-display: 'Fraunces', serif;
  --f-body:    'Inter', -apple-system, sans-serif;
  --f-label:   'Space Grotesk', 'Inter', sans-serif;

  /* --- Rhythm --- */
  --edge: clamp(24px, 5vw, 72px);
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--f-display); font-weight:600; margin:0; letter-spacing:-0.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
}

.eyebrow{
  font-family:var(--f-label);
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--amber);
}

.container{
  max-width:1320px;
  margin:0 auto;
  padding:0 var(--edge);
}

/* =========================================================
   Header / Navigation
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(246,242,234,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  height:84px;
}
.wordmark{
  font-family:var(--f-display);
  font-size:22px;
  font-weight:600;
  letter-spacing:0.01em;
}
.wordmark span{ color:var(--amber); font-style:italic; font-weight:400; }

.nav-main{ display:flex; align-items:center; gap:40px; }
.nav-main > li{ position:relative; }
.nav-link{
  font-family:var(--f-label);
  font-size:13px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:8px 0;
  position:relative;
}
.nav-link::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0;
  height:1px; background:var(--amber);
  transition:right 0.28s ease;
}
.nav-link:hover::after, .nav-link.active::after{ right:0; }

/* Products mega-dropdown */
.has-dropdown{ display:flex; align-items:center; gap:6px; }
.caret{ transition:transform .2s ease; }
.nav-item-products:hover .caret{ transform:rotate(180deg); }

.mega{
  position:absolute; top:100%; left:50%;
  transform:translate(-50%,8px);
  width:560px;
  background:var(--ink);
  color:var(--paper);
  padding:28px;
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
  opacity:0; visibility:hidden;
  transition:opacity .22s ease, transform .22s ease, visibility .22s;
  box-shadow:0 24px 48px rgba(33,31,28,0.22);
}
.nav-item-products:hover .mega,
.nav-item-products:focus-within .mega{
  opacity:1; visibility:visible; transform:translate(-50%,14px);
}
.mega-item{ display:flex; flex-direction:column; gap:10px; text-align:left; }
.mega-swatch{
  width:100%; aspect-ratio:1/1; border-radius:1px; overflow:hidden;
  border:1px solid var(--line-dark);
}
.mega-swatch img{ width:100%; height:100%; display:block; object-fit:cover; }
.mega-name{ font-family:var(--f-label); font-size:12px; letter-spacing:0.08em; text-transform:uppercase; }
.mega-name small{ display:block; font-family:var(--f-body); text-transform:none; letter-spacing:0; color:var(--taupe); font-size:11px; margin-top:2px; }

.nav-cta{
  font-family:var(--f-label); font-size:13px; letter-spacing:0.08em; text-transform:uppercase;
  background:var(--ink); color:var(--paper);
  padding:12px 22px; border-radius:1px;
  border:1px solid var(--ink);
  transition:background .2s ease, color .2s ease;
}
.nav-cta:hover{ background:transparent; color:var(--ink); }

.nav-toggle{ display:none; background:none; border:0; }

/* =========================================================
   Vein divider — signature element
   ========================================================= */
.vein-divider{ width:100%; overflow:hidden; line-height:0; }
.vein-divider svg{ width:100%; height:auto; display:block; }
.vein-path{
  fill:none; stroke:var(--amber); stroke-width:1; opacity:0.55;
  stroke-dasharray:1400; stroke-dashoffset:1400;
  transition:stroke-dashoffset 1.6s cubic-bezier(.16,.84,.44,1);
}
.vein-divider.in-view .vein-path{ stroke-dashoffset:0; }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative;
  display:grid;
  min-height:88vh;
}
.hero-media{ position:relative; width:100%; height:100%; min-height:88vh; overflow:hidden; }
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-copy{
  position:absolute; inset:0;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:56px var(--edge);
  background:linear-gradient(0deg, rgba(33,31,28,0.72) 0%, rgba(33,31,28,0.15) 45%, rgba(33,31,28,0) 65%);
  color:var(--paper);
}
.hero-copy .eyebrow{ color:var(--amber); margin-bottom:18px; }
.hero-title{
  font-size:clamp(42px, 7vw, 96px);
  line-height:0.98;
  max-width:16ch;
}
.hero-title em{ font-style:italic; font-weight:400; color:var(--amber); }
.hero-sub{
  margin-top:22px; max-width:46ch;
  font-size:17px; color:rgba(246,242,234,0.86);
}
.hero-actions{ margin-top:34px; display:flex; gap:16px; flex-wrap:wrap; }

.btn{
  font-family:var(--f-label); font-size:13px; letter-spacing:0.08em; text-transform:uppercase;
  padding:15px 28px; border-radius:1px; display:inline-block;
  transition:all .22s ease;
}
.btn-primary{ background:var(--amber); color:var(--ink); border:1px solid var(--amber); }
.btn-primary:hover{ background:var(--amber-deep); border-color:var(--amber-deep); }
.btn-ghost{ border:1px solid rgba(246,242,234,0.5); color:var(--paper); }
.btn-ghost:hover{ border-color:var(--paper); background:rgba(246,242,234,0.08); }
.btn-dark{ background:var(--ink); color:var(--paper); border:1px solid var(--ink); }
.btn-dark:hover{ background:transparent; color:var(--ink); }

/* =========================================================
   Section scaffolding
   ========================================================= */
section{ padding:96px 0; }
.section-alt{ background:var(--stone); }
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end; gap:32px;
  margin-bottom:56px; flex-wrap:wrap;
}
.section-title{ font-size:clamp(30px,4vw,46px); margin-top:14px; max-width:14ch; }
.section-note{ max-width:36ch; color:var(--taupe); font-size:15px; }

/* Featured grid (home, below hero) */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line); }
.stone-card{
  background:var(--paper); position:relative; display:block; overflow:hidden;
  transition:background .25s ease;
}
.stone-card-media{ aspect-ratio:4/5; overflow:hidden; }
.stone-card-media img{ width:100%; height:100%; object-fit:cover; transition:transform .6s cubic-bezier(.16,.84,.44,1); }
.stone-card:hover .stone-card-media img{ transform:scale(1.06); }
.stone-card-body{ padding:26px 28px 30px; }
.stone-card-index{ font-family:var(--f-label); font-size:12px; color:var(--amber); letter-spacing:0.08em; }
.stone-card-name{ font-size:24px; margin-top:10px; }
.stone-card-desc{ margin-top:10px; color:var(--taupe); font-size:14.5px; max-width:34ch; }
.stone-card-link{ margin-top:18px; display:inline-flex; align-items:center; gap:8px; font-family:var(--f-label); font-size:12px; letter-spacing:0.08em; text-transform:uppercase; }
.stone-card-link svg{ width:14px; height:14px; transition:transform .2s ease; }
.stone-card:hover .stone-card-link svg{ transform:translateX(4px); }

/* =========================================================
   About-style content blocks
   ========================================================= */
.split{
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;
}
.pull-quote{
  font-family:var(--f-display); font-style:italic; font-weight:400;
  font-size:clamp(24px,2.6vw,34px); line-height:1.35; max-width:22ch;
}
.pull-quote cite{ display:block; font-style:normal; font-family:var(--f-label); font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--amber); margin-top:20px; }

.stat-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:2px; background:var(--line); margin-top:64px; }
.stat{ background:var(--paper); padding:32px 28px; }
.stat-num{ font-family:var(--f-display); font-size:44px; }
.stat-label{ margin-top:8px; font-family:var(--f-label); font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--taupe); }

.origin-row{ display:grid; grid-template-columns:1fr 1fr; gap:2px; background:var(--line); }
.origin-card{ background:var(--ink); color:var(--paper); padding:52px 44px; }
.origin-card h3{ font-size:30px; }
.origin-card p{ margin-top:16px; color:rgba(246,242,234,0.78); font-size:15px; max-width:42ch; }
.origin-tag{ margin-top:24px; display:flex; gap:10px; flex-wrap:wrap; }
.origin-tag span{ font-family:var(--f-label); font-size:11px; letter-spacing:0.06em; text-transform:uppercase; border:1px solid rgba(246,242,234,0.3); padding:6px 12px; }

/* =========================================================
   Product listing (products/index.html)
   ========================================================= */
.cat-grid{ display:grid; grid-template-columns:1fr 1fr; gap:2px; background:var(--line); }
.cat-card{ background:var(--paper); display:grid; grid-template-columns:1fr 1fr; min-height:360px; }
.cat-card:nth-child(even){ direction:rtl; }
.cat-card:nth-child(even) > *{ direction:ltr; }
.cat-media{ overflow:hidden; }
.cat-media img{ width:100%; height:100%; object-fit:cover; }
.cat-copy{ padding:44px; display:flex; flex-direction:column; justify-content:center; }
.cat-copy .eyebrow{ margin-bottom:12px; }
.cat-copy h3{ font-size:30px; }
.cat-copy p{ margin-top:14px; color:var(--taupe); font-size:14.5px; max-width:34ch; }
.cat-copy .btn{ margin-top:24px; align-self:flex-start; }

/* =========================================================
   Product detail page
   ========================================================= */
.prod-hero{ display:grid; grid-template-columns:1.1fr 0.9fr; min-height:78vh; }
.prod-hero-media img{ width:100%; height:100%; object-fit:cover; }
.prod-hero-copy{ display:flex; flex-direction:column; justify-content:center; padding:var(--edge); background:var(--stone); }
.prod-hero-copy h1{ font-size:clamp(38px,5vw,64px); margin-top:14px; }
.prod-hero-copy p{ margin-top:20px; color:var(--taupe); max-width:42ch; font-size:15.5px; }

.spec-table{ width:100%; border-collapse:collapse; }
.spec-table tr{ border-bottom:1px solid var(--line); }
.spec-table td{ padding:18px 4px; font-size:14.5px; }
.spec-table td:first-child{ font-family:var(--f-label); text-transform:uppercase; letter-spacing:0.06em; font-size:12px; color:var(--taupe); width:40%; }

.finish-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:2px; background:var(--line); }
.finish{ background:var(--paper); padding:26px 22px; }
.finish-swatch{ aspect-ratio:1/1; margin-bottom:14px; overflow:hidden; }
.finish-swatch img{ width:100%; height:100%; object-fit:cover; }
.finish-name{ font-family:var(--f-label); font-size:13px; letter-spacing:0.04em; }
.finish-desc{ margin-top:6px; color:var(--taupe); font-size:13px; }

.variant-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line); }
.variant{ background:var(--paper); }
.variant-media{ aspect-ratio:5/6; overflow:hidden; }
.variant-media img{ width:100%; height:100%; object-fit:cover; }
.variant-body{ padding:20px 24px 26px; }
.variant-body h4{ font-size:18px; }
.variant-body p{ margin-top:6px; color:var(--taupe); font-size:13.5px; }

.related-strip{ display:flex; gap:2px; background:var(--line); }
.related-strip .stone-card{ flex:1; }

/* =========================================================
   Contact page
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:2px; background:var(--line); }
.contact-info{ background:var(--ink); color:var(--paper); padding:56px; }
.contact-info h3{ font-size:26px; }
.contact-list{ margin-top:34px; display:flex; flex-direction:column; gap:22px; }
.contact-list li{ display:flex; flex-direction:column; gap:4px; }
.contact-list .label{ font-family:var(--f-label); font-size:11px; letter-spacing:0.08em; text-transform:uppercase; color:var(--amber); }
.contact-list .value{ font-size:16px; }
.contact-form{ background:var(--paper); padding:56px; }
.field{ margin-bottom:22px; }
.field label{ display:block; font-family:var(--f-label); font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--taupe); margin-bottom:8px; }
.field input, .field select, .field textarea{
  width:100%; border:none; border-bottom:1px solid var(--line);
  background:transparent; padding:12px 2px; font-family:var(--f-body); font-size:15px; color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--amber); }
.field textarea{ resize:vertical; min-height:100px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.form-note{ margin-top:8px; font-size:12.5px; color:var(--taupe); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--ink); color:var(--paper); padding:64px 0 28px; }
.footer-row{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:48px; border-bottom:1px solid var(--line-dark); }
.footer-brand .wordmark{ color:var(--paper); }
.footer-brand p{ margin-top:16px; color:rgba(246,242,234,0.6); font-size:14px; max-width:32ch; }
.footer-head{ font-family:var(--f-label); font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--amber); margin-bottom:18px; }
.footer-links li{ margin-bottom:12px; font-size:14.5px; color:rgba(246,242,234,0.82); }
.footer-links a:hover{ color:var(--paper); }
.footer-bottom{ display:flex; justify-content:space-between; padding-top:26px; font-size:12.5px; color:rgba(246,242,234,0.5); flex-wrap:wrap; gap:12px; }

/* =========================================================
   Reveal on scroll (generic)
   ========================================================= */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s cubic-bezier(.16,.84,.44,1); }
.reveal.in-view{ opacity:1; transform:none; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .nav-main{ position:fixed; inset:84px 0 0 0; background:var(--paper); flex-direction:column; align-items:flex-start; padding:32px var(--edge); gap:0; transform:translateX(100%); transition:transform .3s ease; overflow-y:auto; }
  .nav-main.open{ transform:translateX(0); }
  .nav-main > li{ width:100%; border-bottom:1px solid var(--line); }
  .nav-link{ display:block; padding:18px 0; }
  .mega{ position:static; transform:none; width:100%; opacity:1; visibility:visible; display:none; grid-template-columns:repeat(2,1fr); box-shadow:none; margin-bottom:12px; }
  .nav-item-products.open .mega{ display:grid; }
  .nav-toggle{ display:block; }
  .split, .origin-row, .cat-card, .prod-hero, .contact-grid{ grid-template-columns:1fr; }
  .cat-card:nth-child(even){ direction:ltr; }
  .grid-3, .stat-row, .finish-grid, .variant-grid, .related-strip{ grid-template-columns:1fr; }
  .footer-row{ grid-template-columns:1fr 1fr; }
}
@media (max-width:600px){
  .footer-row{ grid-template-columns:1fr; }
  .field-row{ grid-template-columns:1fr; }
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal, .vein-path, .stone-card-media img, .nav-link::after{ transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  .vein-path{ stroke-dashoffset:0; }
}