/* ===========================================================
   Datelier Wood Floors — design tokens
   Palette: charcoal ink, travertine stone, walnut, patina bronze
   Type: Fraunces (display) / Inter (body) / IBM Plex Mono (data)
   =========================================================== */
:root{
  --ink:        #23201B;
  --ink-soft:   #322D25;
  --travertine: #E7DFCB;
  --travertine-2:#F4EFE2;
  --walnut:     #6B4226;
  --walnut-dark:#4A2C18;
  --bronze:     #6E7F6B;
  --clay:       #A63A32;
  --cream:      #F2EEE4;
  --line:       rgba(35,32,27,0.14);
  --line-on-dark: rgba(242,238,228,0.18);

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 2px;
  --container: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--travertine);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }
.wrap{ max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---------- top bar ---------- */
.topbar{
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.topbar .wrap{ display:flex; justify-content:space-between; align-items:center; padding-top:10px; padding-bottom:10px; flex-wrap:wrap; gap:8px; }
.topbar a{ text-decoration:none; color: var(--travertine); }
.topbar a:hover{ color:#fff; }

/* ---------- header / nav ---------- */
header.site{
  background: var(--ink);
  color: var(--cream);
  padding: 22px 0 0;
}
.nav-row{ display:flex; align-items:center; justify-content:space-between; padding-bottom:22px; border-bottom:1px solid var(--line-on-dark); }
.brand{ font-family: var(--font-display); font-size: 22px; text-decoration:none; color: var(--cream); }
.brand small{ display:block; font-family: var(--font-mono); font-size: 10px; letter-spacing:0.14em; color: var(--travertine); margin-top:2px; }
nav.links{ display:flex; gap:28px; font-size:14px; }
nav.links a{ text-decoration:none; color: var(--travertine); }
nav.links a:hover{ color:#fff; }
.nav-cta{
  border:1px solid var(--travertine);
  padding:8px 16px;
  font-size:13px;
  text-decoration:none;
  color: var(--cream) !important;
}
.nav-cta:hover{ background: var(--cream); color: var(--ink) !important; }

/* ---------- hero ---------- */
.hero{
  background: var(--ink);
  color: var(--cream);
  position: relative;
  overflow:hidden;
  padding: 84px 0 96px;
}
.hero::before{
  /* faint contour / site-plan grid, signature motif */
  content:"";
  position:absolute; inset:0;
  background-image:
    radial-gradient(circle at 82% 20%, rgba(242,238,228,0.08) 0, rgba(242,238,228,0.08) 1px, transparent 1px),
    repeating-linear-gradient(0deg, rgba(242,238,228,0.05) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(242,238,228,0.05) 0 1px, transparent 1px 64px);
  pointer-events:none;
}
.hero-inner{ position:relative; max-width: 760px; }
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--travertine);
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:28px; height:1px; background: var(--bronze); display:inline-block; }
.hero h1{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  margin: 20px 0 22px;
  max-width: 14ch;
}
.hero p.lead{ font-size: 17px; color: var(--travertine); max-width: 56ch; margin-bottom:34px; }
.hero .cta-row{ display:flex; gap:14px; flex-wrap:wrap; }
.btn{
  display:inline-block;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius);
  text-decoration:none;
  border: 1px solid transparent;
  cursor:pointer;
}
.btn-primary{ background: var(--clay); color: #fff; }
.btn-primary:hover{ background:#8f2f28; }
.btn-outline{ border-color: var(--travertine); color: var(--cream); background:transparent; }
.btn-outline:hover{ background: rgba(242,238,228,0.08); }

.hero-meta{ margin-top:56px; display:flex; gap:40px; flex-wrap:wrap; font-family: var(--font-mono); font-size:12px; color: var(--travertine); }
.hero-meta div{ border-left:1px solid var(--line-on-dark); padding-left:14px; }
.hero-meta strong{ display:block; color:var(--cream); font-family: var(--font-body); font-size:20px; font-weight:600; }

/* ---------- section shells ---------- */
section{ padding: 84px 0; }
.section-head{ max-width: 620px; margin-bottom: 46px; }
.section-head .eyebrow{ color: var(--walnut); }
.section-head .eyebrow::before{ background: var(--walnut); }
.section-head h2{ font-family: var(--font-display); font-weight:500; font-size: clamp(28px,3.4vw,38px); margin:16px 0 12px; }
.section-head p{ color: var(--ink-soft); font-size:15.5px; }
.source-note{ font-family: var(--font-mono); font-size:11.5px; color: var(--bronze); border-left:2px solid var(--bronze); padding-left:12px; margin-top:16px; max-width:60ch; }

/* ---------- collections grid ---------- */
.collections{ background: var(--travertine-2); }
.grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 980px){ .grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .grid{ grid-template-columns: 1fr; } }

.card{
  background:#fff;
  border:1px solid var(--line);
  display:flex; flex-direction:column;
}
.card figure{ margin:0; aspect-ratio: 4/3; overflow:hidden; background: var(--ink); position:relative; }
.card figure img{ width:100%; height:100%; object-fit:cover; }
.card-body{ padding: 22px 22px 24px; display:flex; flex-direction:column; flex:1; }
.card-region{ font-family: var(--font-mono); font-size:11px; letter-spacing:0.08em; color: var(--bronze); text-transform:uppercase; }
.card h3{ font-family: var(--font-display); font-size: 24px; margin: 8px 0 2px; }
.card .subtitle{ font-size:13px; color: var(--ink-soft); font-style:italic; margin-bottom:12px; }
.card .note{ font-size:14px; color: var(--ink-soft); margin-bottom:18px; flex:1; }
.spec-teaser{ display:flex; gap:16px; font-family:var(--font-mono); font-size:11px; color: var(--ink-soft); border-top:1px solid var(--line); padding-top:14px; margin-bottom:16px; flex-wrap:wrap; }
.spec-teaser span strong{ display:block; color:var(--ink); font-family:var(--font-body); font-size:14px; font-weight:600; }
.card-actions{ display:flex; gap:10px; }
.link-btn{
  font-size:13px; font-weight:600; text-decoration:none; color: var(--ink);
  border-bottom:1px solid var(--ink); padding-bottom:2px;
}
.link-btn:hover{ color: var(--clay); border-color: var(--clay); }
.details-btn{ background:none; border:none; font-family:var(--font-body); font-size:13px; font-weight:600; color:var(--ink); cursor:pointer; border-bottom:1px solid var(--ink); padding:0 0 2px; }
.details-btn:hover{ color: var(--walnut); border-color: var(--walnut); }

/* spec panel (expand/collapse) */
.spec-panel{ display:none; margin-top:16px; border-top:1px dashed var(--line); padding-top:16px; }
.spec-panel.open{ display:block; }
.spec-table{ width:100%; border-collapse:collapse; font-family: var(--font-mono); font-size:12.5px; }
.spec-table tr{ border-bottom:1px solid var(--line); }
.spec-table td{ padding:7px 0; vertical-align:top; }
.spec-table td:first-child{ color: var(--bronze); width:46%; text-transform:uppercase; letter-spacing:0.03em; font-size:11px; }
.pill-row{ display:flex; gap:6px; flex-wrap:wrap; margin-top:2px; }
.pill{ border:1px solid var(--line); padding:2px 8px; font-size:11px; border-radius:20px; }

/* ---------- estimate section ---------- */
.estimate{ background: var(--ink); color: var(--cream); position:relative; }
.estimate .section-head .eyebrow{ color: var(--travertine); }
.estimate .section-head .eyebrow::before{ background: var(--bronze); }
.estimate .section-head p{ color: var(--travertine); }
.estimate-grid{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap:56px; align-items:start; }
@media (max-width: 860px){ .estimate-grid{ grid-template-columns:1fr; } }
.estimate-points{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:20px; }
.estimate-points li{ display:flex; gap:14px; font-size:14.5px; color: var(--travertine); }
.estimate-points li::before{ content:"—"; color: var(--bronze); flex-shrink:0; }

form.estimate-form{ background: var(--ink-soft); border:1px solid var(--line-on-dark); padding: 30px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:520px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:16px; }
.field label{ display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:0.05em; text-transform:uppercase; color: var(--travertine); margin-bottom:6px; }
.field input, .field select, .field textarea{
  width:100%;
  background: var(--ink);
  border:1px solid var(--line-on-dark);
  color: var(--cream);
  padding:11px 12px;
  font-family: var(--font-body);
  font-size:14px;
  border-radius: var(--radius);
}
.field textarea{ min-height:96px; resize:vertical; }
.field input::placeholder, .field textarea::placeholder{ color: rgba(242,238,228,0.4); }
.form-note{ font-size:12px; color: rgba(242,238,228,0.55); margin-top:14px; }
.form-msg{ padding:12px 14px; font-size:13.5px; margin-bottom:18px; border-left:3px solid var(--bronze); background: rgba(110,127,107,0.12); }
.form-msg.error{ border-color: var(--clay); background: rgba(166,58,50,0.12); }

/* ---------- certifications / badges ---------- */
.certs{ background: var(--travertine); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.certs .wrap{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:24px; padding:32px 0; }
.certs-text{ font-family: var(--font-mono); font-size:12px; color: var(--ink-soft); max-width:52ch; }
.badge-embed{ display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.badge-embed img{ height:54px; width:auto; }

/* ---------- footer ---------- */
footer.site{ background: var(--ink); color: var(--travertine); padding: 48px 0 28px; font-size:13px; }
.footer-grid{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; border-bottom:1px solid var(--line-on-dark); padding-bottom:28px; margin-bottom:20px; }
.footer-grid .brand{ font-size:18px; }
footer.site .foot-note{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-family: var(--font-mono); font-size:11px; color: rgba(231,223,203,0.55); }
footer.site a{ text-decoration:none; }
footer.site a:hover{ color:#fff; }