:root{
  --bg:#f4f1ea;--paper:#fffdf8;--ink:#18202a;--muted:#66707b;--line:#d8d2c7;
  --accent:#8f6238;--accent2:#28485f;--soft:#ebe5da;--ok:#2c6b4f;--warn:#8a6327;
  --max:1120px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62}
a{color:inherit}
.shell{max-width:var(--max);margin:auto;padding:0 24px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(244,241,234,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{text-decoration:none;font-weight:900;letter-spacing:-.03em}
.brand small{display:block;color:var(--muted);font-weight:750;letter-spacing:.08em;text-transform:uppercase;font-size:10px}
.links{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.links a{text-decoration:none;font-size:13px;font-weight:800;padding:9px 11px;border-radius:9px;color:#38424c}
.links a:hover,.links a.active{background:#fff;border:1px solid var(--line);padding:8px 10px}
.hero{padding:86px 0 62px;border-bottom:1px solid var(--line)}
.eyebrow{font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
h1{font-family:Georgia,"Times New Roman",serif;font-size:clamp(44px,7vw,78px);line-height:1.02;letter-spacing:-.045em;margin:14px 0 20px;max-width:940px}
h2{font-family:Georgia,"Times New Roman",serif;font-size:34px;line-height:1.12;letter-spacing:-.025em;margin:0 0 14px}
h3{font-size:18px;margin:0 0 8px}
.lede{font-size:20px;color:#47515b;max-width:840px;margin:0}
.status{margin-top:28px;display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:850;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.55);padding:8px 11px;border-radius:999px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.section{padding:62px 0;border-bottom:1px solid var(--line)}
.section.alt{background:#ebe7df}
.section-head{max-width:760px;margin-bottom:28px}
.kicker{font-size:11px;font-weight:900;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:22px}
.card p{margin:0;color:#505b66}
.card .tag{font-size:10px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.case{border:2px solid var(--ink);box-shadow:0 10px 30px rgba(24,32,42,.06)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}
.metric{background:#f1eee7;border:1px solid var(--line);border-radius:12px;padding:14px}
.metric .lab{font-size:10px;letter-spacing:.08em;text-transform:uppercase;font-weight:900;color:var(--muted)}
.metric .val{font-size:25px;font-weight:950;letter-spacing:-.03em;margin-top:3px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-block;text-decoration:none;border:1px solid var(--ink);border-radius:10px;padding:11px 14px;font-size:14px;font-weight:900;background:var(--ink);color:#fff}
.btn.secondary{background:transparent;color:var(--ink);border-color:#9e9384}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.flow{display:flex;align-items:stretch;gap:8px;flex-wrap:wrap;margin:22px 0}
.node{flex:1 1 130px;min-width:125px;background:var(--paper);border:1px solid var(--line);padding:14px;border-radius:12px;font-weight:850;text-align:center}
.arrow{align-self:center;color:#8d8479;font-weight:900}
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{padding:13px 14px;border-bottom:1px solid #e8e3da;text-align:left;vertical-align:top;font-size:14px}
th{background:#efebe3;font-size:11px;text-transform:uppercase;letter-spacing:.07em}
.note{border-left:4px solid var(--accent2);background:#edf1f3;padding:15px 17px;border-radius:0 10px 10px 0;margin:18px 0}
.boundary{border-left-color:var(--accent);background:#f5ece2}
.callout{padding:24px;border-radius:16px;background:var(--ink);color:white}
.callout p{color:#d7dde2;margin:8px 0 0}
.small{font-size:13px;color:var(--muted)}
.footer{padding:34px 0 54px;color:var(--muted);font-size:13px}
.footer .row{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}
.pill{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800}
.verifier-shell{padding:20px 24px 0;max-width:1440px;margin:auto}
.verifier-frame{width:100%;height:calc(100vh - 138px);min-height:720px;border:1px solid var(--line);border-radius:14px;background:#fff}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#20262d;color:#f1f3f5;padding:16px;border-radius:12px;overflow:auto;font-size:13px;white-space:pre-wrap}
@media(max-width:860px){
  .nav{align-items:flex-start;padding:14px 0}.links{max-width:62%}
  .grid,.grid.two,.metrics{grid-template-columns:1fr}
  .hero{padding:58px 0 44px}
  h1{font-size:48px}
  .verifier-frame{height:75vh;min-height:620px}
}
@media(max-width:560px){
  .nav{display:block}.links{max-width:none;margin-top:10px;justify-content:flex-start}
  .shell{padding:0 17px}.verifier-shell{padding:12px 10px 0}
  h1{font-size:40px}.lede{font-size:18px}
}