:root{
  --ink:#0a0a0a;
  --paper:#f4efe4;
  --gold:#c9a227;
  --gold-deep:#8a6a12;
  --blood:#8b1e12;
  --line:#2a2a2a;
  --mute:#6b6458;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.bold{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:Georgia,"Times New Roman",serif;
  line-height:1.45;
}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
.bold header{
  position:sticky;top:0;z-index:20;
  background:var(--ink);
  border-bottom:4px solid var(--gold);
}
.bold nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:13px}
.mark{width:36px;height:36px;display:grid;place-items:center;background:var(--gold);color:var(--ink);font-weight:800}
.nav-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-family:Arial,sans-serif;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.nav-links a:hover{color:var(--gold)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 22px;
  background:var(--gold);color:var(--ink);
  font-family:Arial,sans-serif;font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;
}
.btn.ghost{background:transparent;border:2px solid var(--gold);color:var(--gold)}
.hero-bold{padding:64px 0 0}
.hero-split{display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:end;padding-bottom:36px}
.hero-bold .kicker{margin:0 0 12px;color:var(--gold);font-family:Arial,sans-serif;font-size:12px;font-weight:800;letter-spacing:3px;text-transform:uppercase}
.hero-bold h1{margin:0;font-size:clamp(52px,10vw,104px);line-height:.86;letter-spacing:-3px}
.hero-bold p.lead{max-width:540px;margin:20px 0 0;font-size:19px;color:#ddd6c6}
.rail{
  border-left:4px solid var(--gold);
  padding:4px 0 4px 22px;
  font-family:Arial,sans-serif;
  text-transform:uppercase;
  letter-spacing:1.5px;
  font-size:12px;
}
.rail b{display:block;font-size:42px;letter-spacing:-1px;color:var(--gold);line-height:1;margin-bottom:8px}
.rail span{display:block;color:#cfc6b4;margin:4px 0}
.lesson{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:4px solid var(--gold);
}
.lesson article{
  padding:18px 18px 22px;
  border-right:1px solid #333;
}
.lesson article:last-child{border-right:0}
.lesson .n{
  font-family:Arial,sans-serif;font-size:11px;font-weight:800;
  letter-spacing:2px;text-transform:uppercase;color:var(--gold);
}
.lesson h3{margin:10px 0 8px;font-size:22px}
.lesson p{margin:0;color:#cfc6b4;font-size:15px}
.cat-head{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:28px 0 12px;
  font-family:Arial,sans-serif;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--gold);
}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0;border-top:4px solid var(--gold)}
.pcard{
  display:flex;flex-direction:column;
  border-right:4px solid var(--gold);border-bottom:4px solid var(--gold);
  background:#111;
  min-height:540px;
  transition:background .2s;
}
.pcard:hover{background:#191919}
.pcard img{width:100%;aspect-ratio:1;object-fit:cover;display:block;filter:contrast(1.08) saturate(.9)}
.pcard .body{padding:16px 16px 20px;display:flex;flex-direction:column;gap:7px;flex:1}
.pcard h2{margin:0;font-size:26px;line-height:1.05}
.pcard .sku{font-family:Arial,sans-serif;font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--gold)}
.pcard .meta{margin:0;color:#9e9584;font-size:13px;font-family:Arial,sans-serif;letter-spacing:.3px}
.pcard .teach{margin:0;color:#ddd6c6;font-size:15px}
.stamp{
  align-self:flex-start;
  margin-top:auto;
  padding:6px 10px;
  background:#8b1e12;color:var(--paper);
  font-family:Arial,sans-serif;font-size:10px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;
}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:0;border:4px solid var(--gold)}
.pair img{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.facts{display:grid;grid-template-columns:180px 1fr;gap:0;border:4px solid var(--gold);border-top:0}
.facts dt,.facts dd{margin:0;padding:14px 16px;border-bottom:1px solid #333}
.facts dt{background:#161616;color:var(--gold);font-family:Arial,sans-serif;font-size:11px;font-weight:800;letter-spacing:2px;text-transform:uppercase}
.facts dd{background:#0f0f0f}
.buy-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:28px 0}
.price-xl{font-size:56px;line-height:1}
.fine{font-family:Arial,sans-serif;font-size:12px;color:var(--mute);letter-spacing:1px;text-transform:uppercase}
.site-foot{padding:40px 0;border-top:4px solid var(--gold);font-family:Arial,sans-serif;font-size:13px}
.site-foot a{margin-right:16px}
.site-foot a:hover{color:var(--gold)}
.drive-embed{border:4px solid var(--gold);background:#111;min-height:640px}
.drive-embed iframe{display:block;width:100%;height:640px;border:0;background:#fff}
@media(max-width:900px){
  .lesson{grid-template-columns:1fr 1fr}
  .lesson article{border-bottom:1px solid #333}
}
@media(max-width:800px){
  .nav-links a:not(.btn){display:none}
  .hero-split,.pair,.facts{grid-template-columns:1fr}
  .rail{border-left:0;border-top:4px solid var(--gold);padding:18px 0 0}
  .lesson{grid-template-columns:1fr}
  .drive-embed iframe{height:480px}
}