/* ===========================================================
   TAVLA — shared design system
   Palette: dark walnut board, parchment cream, garnet points, brass gold
   Type: Fraunces (display) / Inter (body) / IBM Plex Mono (labels, numerals)
   =========================================================== */

:root{
  --wood-deep:   #1B120C;
  --wood-panel:  #241A12;
  --wood-line:   #3A2A1B;
  --cream:       #EFE6D3;
  --cream-dim:   #C9BCA0;
  --cream-faint: #9C8E76;
  --garnet:      #9B3B3B;
  --garnet-dim:  #6E2C2C;
  --gold:        #C9A227;
  --gold-bright: #E5C158;
  --shadow:      rgba(0,0,0,.45);
  --radius:      2px;
  --maxw:        1120px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--wood-deep);
  color:var(--cream);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
[dir="rtl"] body{ font-family:'Inter','Noto Naskh Arabic',system-ui,sans-serif; }

/* native-script fallbacks so headings/body still look intentional, not tofu */
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3, :lang(zh) .display{ font-family:'Fraunces','Songti SC','Noto Serif SC',serif; }
:lang(zh) body, :lang(zh){ font-family:'Inter','PingFang SC','Noto Sans SC',system-ui,sans-serif; }
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3, :lang(ja) .display{ font-family:'Fraunces','Shippori Mincho','Noto Serif JP',serif; }
:lang(ja) body, :lang(ja){ font-family:'Inter','Hiragino Sans','Noto Sans JP',system-ui,sans-serif; }
:lang(hi) h1, :lang(hi) h2, :lang(hi) h3, :lang(hi) .display{ font-family:'Fraunces','Noto Serif Devanagari',serif; }
:lang(hi) body, :lang(hi){ font-family:'Inter','Noto Sans Devanagari',system-ui,sans-serif; }
:lang(ar) h1, :lang(ar) h2, :lang(ar) h3, :lang(ar) .display{ font-family:'Fraunces','Noto Naskh Arabic',serif; }
:lang(ar) body, :lang(ar){ font-family:'Inter','Noto Naskh Arabic',system-ui,sans-serif; }

h1,h2,h3,.display{
  font-family:'Fraunces',Georgia,serif;
  font-weight:600;
  line-height:1.08;
  letter-spacing:-0.01em;
  color:var(--cream);
  margin:0 0 .5em;
}
h1{ font-size:clamp(2.6rem,6vw,5rem); font-weight:700; }
h2{ font-size:clamp(1.7rem,3.4vw,2.5rem); }
h3{ font-size:1.3rem; font-weight:600; }
p{ margin:0 0 1em; color:var(--cream-dim); }
a{ color:var(--gold-bright); text-decoration:none; }
a:hover{ text-decoration:underline; }
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--gold-bright); outline-offset:3px;
}
strong{ color:var(--cream); }

.label{
  font-family:'IBM Plex Mono',ui-monospace,monospace;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.72rem;
  color:var(--gold);
}

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.section{ padding:88px 0; border-top:1px solid var(--wood-line); }
.section:first-of-type{ border-top:none; }
.section-head{ max-width:640px; margin-bottom:44px; }
.section-head p{ font-size:1.05rem; }
[dir="rtl"] .section-head{ margin-left:auto; margin-right:0; }

/* ---------- point-row divider (signature motif) ---------- */
.point-row{
  display:flex; height:22px; width:100%;
  overflow:hidden; opacity:.9;
}
.point-row span{ flex:1 1 0; height:100%; }
.point-row span:nth-child(odd){
  background:linear-gradient(var(--garnet),var(--garnet));
  clip-path:polygon(50% 0,100% 100%,0 100%);
}
.point-row span:nth-child(even){
  background:linear-gradient(var(--gold),var(--gold));
  clip-path:polygon(50% 0,100% 100%,0 100%);
  opacity:.55;
}

/* ---------- nav ---------- */
header.site{
  position:sticky; top:0; z-index:40;
  background:rgba(27,18,12,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--wood-line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px; max-width:var(--maxw); margin:0 auto; gap:20px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:'Fraunces',serif; font-weight:700; font-size:1.3rem; color:var(--cream);
}
.brand .dot{
  width:11px;height:11px;border-radius:50%;
  background:var(--gold); box-shadow:0 0 0 3px rgba(201,162,39,.2);
}
nav.primary{ display:flex; align-items:center; gap:26px; flex-wrap:wrap; }
nav.primary a{
  color:var(--cream-dim); font-size:.92rem; font-weight:500;
}
nav.primary a:hover, nav.primary a.active{ color:var(--gold-bright); text-decoration:none; }
.lang-btn{
  display:inline-flex; align-items:center; gap:6px;
  border:1px solid var(--wood-line); color:var(--cream-dim);
  padding:7px 12px; border-radius:var(--radius); font-size:.85rem;
  font-family:'IBM Plex Mono',monospace;
}
.lang-btn:hover{ border-color:var(--gold); color:var(--gold-bright); text-decoration:none; }
.nav-toggle{ display:none; }

@media (max-width:860px){
  nav.primary{
    position:absolute; top:100%; left:0; right:0;
    background:var(--wood-panel); border-bottom:1px solid var(--wood-line);
    flex-direction:column; align-items:flex-start; padding:18px 28px; gap:16px;
    display:none;
  }
  nav.primary.open{ display:flex; }
  .nav-toggle{
    display:inline-flex; background:none; border:1px solid var(--wood-line);
    color:var(--cream); padding:8px 10px; border-radius:var(--radius); cursor:pointer;
  }
}

/* ---------- hero ---------- */
.hero{
  position:relative; padding:100px 0 70px; overflow:hidden;
  background:
    radial-gradient(ellipse 900px 500px at 78% -10%, rgba(201,162,39,.14), transparent 60%),
    var(--wood-deep);
}
.hero-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 28px;
  display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;
}
@media (max-width:900px){ .hero-inner{ grid-template-columns:1fr; } }
.hero-eyebrow{ margin-bottom:18px; }
.hero p.lede{ font-size:1.15rem; max-width:46ch; }
.hero-ctas{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; }
.btn{
  display:inline-block; padding:13px 26px; border-radius:var(--radius);
  font-weight:600; font-size:.95rem; letter-spacing:.01em; border:1px solid transparent;
}
.btn:hover{ text-decoration:none; }
.btn-gold{ background:var(--gold); color:var(--wood-deep); }
.btn-gold:hover{ background:var(--gold-bright); }
.btn-line{ border-color:var(--wood-line); color:var(--cream); }
.btn-line:hover{ border-color:var(--gold); color:var(--gold-bright); }

.board-art{ width:100%; height:auto; filter:drop-shadow(0 30px 60px var(--shadow)); }

/* ---------- feature grid ---------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
@media (max-width:760px){ .grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--wood-panel); border:1px solid var(--wood-line);
  border-radius:var(--radius); padding:30px 28px;
}
.card h3{ display:flex; align-items:baseline; gap:10px; }
.card .num{
  font-family:'IBM Plex Mono',monospace; color:var(--gold); font-size:.85rem;
}

/* ---------- rules list ---------- */
.rule{
  display:grid; grid-template-columns:64px 1fr; gap:22px;
  padding:30px 0; border-top:1px solid var(--wood-line);
}
.rule:first-child{ border-top:none; }
.rule .pip{
  width:44px;height:44px;border-radius:50%;
  background:var(--wood-panel); border:1px solid var(--wood-line);
  display:flex; align-items:center; justify-content:center;
  font-family:'IBM Plex Mono',monospace; color:var(--gold-bright); font-size:.95rem;
}

/* ---------- variants ---------- */
.variant{
  border:1px solid var(--wood-line); border-radius:var(--radius);
  padding:26px 26px 24px; background:var(--wood-panel);
  display:flex; flex-direction:column; gap:10px;
}
.variant-icon{ width:44px; height:44px; margin-bottom:4px; }
.variant-icon svg{ width:100%; height:100%; display:block; }
.variant-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
@media (max-width:760px){ .variant-grid{ grid-template-columns:1fr; } }
.variant h3{ margin-bottom:2px; }
.variant .tag{
  font-family:'IBM Plex Mono',monospace; font-size:.7rem; letter-spacing:.1em;
  color:var(--garnet); text-transform:uppercase; background:rgba(155,59,59,.15);
  display:inline-block; padding:3px 8px; border-radius:2px; width:fit-content;
}

/* ---------- FAQ ---------- */
.faq-item{
  border-top:1px solid var(--wood-line); padding:24px 0;
}
.faq-item:first-child{ border-top:none; }
.faq-item summary{
  cursor:pointer; font-family:'Fraunces',serif; font-size:1.15rem; font-weight:600;
  color:var(--cream); list-style:none; display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{
  content:"+"; color:var(--gold); font-family:'IBM Plex Mono',monospace; font-size:1.3rem; flex-shrink:0;
}
.faq-item[open] summary::after{ content:"\2212"; }
.faq-item p{ margin-top:14px; }

/* ---------- Glossary ---------- */
.gloss-item{
  border-top:1px solid var(--wood-line); padding:22px 0;
  display:grid; grid-template-columns:200px 1fr; gap:20px;
}
.gloss-item:first-child{ border-top:none; }
.gloss-item dt{ font-family:'Fraunces',serif; font-weight:600; color:var(--gold-bright); font-size:1.05rem; }
.gloss-item dd{ margin:0; color:var(--cream-dim); }
@media (max-width:640px){ .gloss-item{ grid-template-columns:1fr; gap:6px; } }

/* ---------- contact form ---------- */
form.contact{ display:grid; gap:18px; max-width:520px; }
.field label{ display:block; font-size:.85rem; color:var(--cream-dim); margin-bottom:6px; }
.field input, .field textarea{
  width:100%; background:var(--wood-panel); border:1px solid var(--wood-line);
  color:var(--cream); padding:12px 14px; border-radius:var(--radius); font-family:inherit; font-size:1rem;
}
.field textarea{ min-height:130px; resize:vertical; }
.field input:focus, .field textarea:focus{ outline:2px solid var(--gold); border-color:var(--gold); }

/* ---------- language grid (root selector page) ---------- */
.lang-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
@media (max-width:760px){ .lang-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px){ .lang-grid{ grid-template-columns:1fr; } }
.lang-card{
  display:flex; align-items:center; justify-content:space-between;
  border:1px solid var(--wood-line); background:var(--wood-panel);
  padding:16px 18px; border-radius:var(--radius); color:var(--cream);
}
.lang-card:hover{ border-color:var(--gold); text-decoration:none; }
.lang-card .native{ font-family:'Fraunces',serif; font-size:1.1rem; }
.lang-card .code{ font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--cream-faint); }
.detected-card{
  border:1px solid var(--gold); background:rgba(201,162,39,.08);
  border-radius:var(--radius); padding:26px; display:flex; align-items:center;
  justify-content:space-between; gap:20px; margin-bottom:40px; flex-wrap:wrap;
}

/* ---------- footer ---------- */
footer.site{
  border-top:1px solid var(--wood-line); padding:50px 0 40px;
  background:var(--wood-panel);
}
.footer-inner{
  max-width:var(--maxw); margin:0 auto; padding:0 28px;
  display:flex; justify-content:space-between; align-items:flex-start; gap:24px; flex-wrap:wrap;
}
.footer-nav{ display:flex; gap:22px; flex-wrap:wrap; }
.footer-nav a{ color:var(--cream-dim); font-size:.88rem; }
.footer-bottom{
  max-width:var(--maxw); margin:26px auto 0; padding:20px 28px 0; border-top:1px solid var(--wood-line);
  font-size:.8rem; color:var(--cream-faint); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

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