:root{
  --bg:#0b0b0e;--panel:#141418;--ink:#f3efe6;--muted:#a8a296;--line:#2a2a31;
  --gold:#d4af5c;--gold-2:#f0d78c;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 "Source Han Serif SC","Noto Serif SC","Songti SC",serif}
a{color:var(--gold);text-decoration:none}
a:hover{color:var(--gold-2);text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.site-header{padding:18px 6vw;border-bottom:1px solid var(--line);background:#101014;position:sticky;top:0;z-index:20}
.brand-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.brand-lockup{display:flex;align-items:center;gap:12px;color:inherit}
.brand-lockup img{width:48px;height:48px;border-radius:10px;object-fit:cover;display:block}
.brand-lockup strong{display:block;font-size:22px}
.brand-lockup span{display:block;font-size:11px;letter-spacing:.16em;color:var(--gold)}
.brand-note{margin:0;color:var(--muted);font-size:13px;letter-spacing:.08em}
.hero{padding:48px 6vw 28px;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:end;position:relative}
.hero-mark{position:absolute;right:6vw;top:24px;opacity:.08;font-size:64px;line-height:.9;letter-spacing:.08em;pointer-events:none}
.eyebrow{letter-spacing:.18em;color:var(--gold);font-size:12px;margin:0 0 10px}
h1{font-size:clamp(32px,5vw,56px);line-height:1.15;margin:0 0 16px}
.hero-lead{color:#ddd6c8;margin:0}
.hero-visual{margin:0}
.hero-visual img{width:100%;max-height:380px;object-fit:cover;border:1px solid var(--line)}
.hero-visual figcaption{display:flex;justify-content:space-between;gap:12px;padding:8px 0;color:var(--muted);font-size:13px}
.hero-stamp{grid-column:1/-1;display:flex;align-items:center;gap:10px;color:var(--gold);letter-spacing:.12em}
.hero-stamp b{font-size:28px}
.site-nav{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px 18px;padding:16px 0 8px;border-top:1px solid var(--line)}
.site-nav a{color:var(--ink);font-size:14px}
.site-nav a:hover{color:var(--gold)}
.section-shell,.pulse,.production,.briefing,.client{padding:48px 6vw;border-top:1px solid var(--line)}
.cover-head,.pulse-title,.briefing-head{max-width:760px;margin-bottom:24px}
h2{font-size:clamp(26px,3vw,40px);margin:0 0 10px}
.cover-stage{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.cover-stage img,.pulse-image img,.production-strip img,.response-visual img{width:100%;max-height:420px;object-fit:cover;border:1px solid var(--line)}
.cover-story,.archive-aside,.production-copy,.response-copy,.client-copy{color:#ddd6c8}
.cover-ledger{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.cover-ledger span{background:var(--panel);border:1px solid var(--line);padding:10px 12px;font-size:14px}
.signal-board{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.signal-board article,.briefing-grid article,.response-notes article,.archive-shelves article{background:var(--panel);border:1px solid var(--line);padding:16px}
.signal-board i{display:block;height:3px;margin-top:12px;background:linear-gradient(90deg,var(--gold) var(--signal),#2a2a31 var(--signal))}
.pulse-image{margin:24px 0 0}
.archive{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
.archive-shelves{display:grid;gap:10px}
.archive-shelves article{display:grid;grid-template-columns:40px 1fr auto;gap:12px;align-items:center}
.archive-shelves span{color:var(--gold);font-size:22px}
.production{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
.production ol{padding-left:18px}
.production-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.responses{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px}
.response-visual{position:relative}
.response-visual span{position:absolute;left:12px;bottom:12px;background:#000a;padding:6px 10px;letter-spacing:.12em;font-size:12px;color:var(--gold)}
.response-notes{display:grid;gap:10px;margin-top:16px}
.briefing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.client{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:center}
.client-logo{text-align:center;color:var(--gold);letter-spacing:.14em}
.client-logo img{margin:0 auto 12px;border-radius:20px;display:block}
.client-terms{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.client-terms span{border:1px solid var(--line);padding:4px 8px;font-size:13px;color:var(--muted)}
.site-footer{padding:28px 6vw 40px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);margin-bottom:8px}
.footer-brand img{width:48px;height:48px;border-radius:10px;object-fit:cover;display:block}
@media (max-width:900px){
  .hero,.cover-stage,.archive,.production,.responses,.client,.signal-board,.briefing-grid,.production-strip{grid-template-columns:1fr}
}