:root{
  --ink:#e9e5dd;
  --muted:#a9aaa5;
  --dim:#747873;
  --bg:#111514;
  --panel:#171c1a;
  --panel2:#1d2421;
  --line:#303936;
  --paper:#f3efe5;
  --paper-ink:#16201c;
  --accent:#7fd2b2;
  --accent2:#d5c58c;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.58 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#fff}
.shell{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(17,21,20,.91);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:750;letter-spacing:-.02em}
.brand-mark{width:18px;height:18px;border:1px solid var(--accent);border-radius:50%;position:relative;display:inline-block}
.brand-mark:after{content:"";position:absolute;width:5px;height:5px;background:var(--accent);border-radius:50%;right:-2px;top:1px}
.nav-links{display:flex;gap:22px;align-items:center;color:var(--muted);font-size:.92rem}
.nav-links a{text-decoration:none}
.hero{padding:92px 0 64px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 78% 18%,rgba(127,210,178,.09),transparent 34%)}
.eyebrow{font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);font-weight:700}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:72px;align-items:end}
h1,h2,h3{line-height:1.08;letter-spacing:-.035em;margin:0 0 18px}
h1{font-size:clamp(3rem,8vw,6.5rem);font-weight:680}
h2{font-size:clamp(2rem,4vw,3.25rem);font-weight:650}
h3{font-size:1.35rem;font-weight:650}
.lede{font-size:clamp(1.18rem,2vw,1.55rem);max-width:780px;color:#cfcec8;margin:0 0 34px}
.hero-note{border-left:1px solid var(--accent);padding-left:22px;color:var(--muted);font-size:.97rem}
.search-wrap{position:relative;margin-top:38px;max-width:790px}
.search-box{display:flex;border:1px solid #46534e;background:#0d1110;border-radius:16px;overflow:hidden;box-shadow:0 20px 70px rgba(0,0,0,.2)}
.search-box input{width:100%;border:0;background:transparent;color:#fff;font:inherit;font-size:1.04rem;padding:18px 20px;outline:none}
.search-box button{border:0;border-left:1px solid #34403c;background:#1b2723;color:var(--ink);padding:0 22px;font:inherit;font-weight:650;cursor:pointer}
.search-results{position:absolute;left:0;right:0;top:68px;background:#121816;border:1px solid #39443f;border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.45);display:none;overflow:hidden;z-index:25}
.search-results.active{display:block}
.search-result{display:block;padding:14px 18px;text-decoration:none;border-bottom:1px solid #29312e}
.search-result:last-child{border-bottom:0}
.search-result small{display:block;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-size:.67rem;margin-bottom:4px}
.search-result span{display:block;color:var(--muted);font-size:.88rem;margin-top:3px}
.section{padding:84px 0;border-bottom:1px solid var(--line)}
.section-heading{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:34px}
.section-heading p{max-width:610px;color:var(--muted);margin:0}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.node-card,.claim-card,.principle-card,.metric-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;text-decoration:none;transition:.18s ease}
.node-card:hover,.claim-card:hover{transform:translateY(-2px);border-color:#53645e;background:#1a211e;color:inherit}
.card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.badge{display:inline-flex;align-items:center;border:1px solid #3f4a46;border-radius:999px;padding:5px 9px;font-size:.69rem;letter-spacing:.06em;text-transform:uppercase;color:#b9bcb6}
.badge.live{border-color:#447a67;color:#9fe0c5;background:rgba(70,139,112,.1)}
.badge.review{border-color:#80734e;color:#e0d095;background:rgba(154,129,62,.1)}
.node-card p,.claim-card p,.principle-card p{color:var(--muted);margin:0}
.card-foot{margin-top:30px;display:flex;justify-content:space-between;gap:16px;color:var(--dim);font-size:.83rem}
.claim-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.75rem;color:var(--dim)}
.claim-list{display:grid;gap:14px}
.claim-card{padding:22px 24px}
.claim-card blockquote{margin:0;color:#e8e4db;font-size:1.07rem}
.claim-card .card-foot{margin-top:18px}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;counter-reset:flow}
.flow-step{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:19px;min-height:150px}
.flow-step:before{counter-increment:flow;content:"0" counter(flow);display:block;color:var(--accent);font:700 .72rem/1 ui-monospace,monospace;letter-spacing:.08em;margin-bottom:25px}
.flow-step strong{display:block;margin-bottom:8px}
.flow-step p{font-size:.86rem;color:var(--muted);margin:0}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.metric-card strong{display:block;font-size:2.4rem;letter-spacing:-.05em;color:var(--paper)}
.metric-card span{display:block;color:var(--muted);font-size:.83rem;margin-top:4px}
.callout{background:var(--paper);color:var(--paper-ink)}
.callout .shell{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.callout p{font-size:1.12rem}
.callout .kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;font-weight:750;color:#50635b}
.node-hero{padding:74px 0 52px;border-bottom:1px solid var(--line)}
.node-hero h1{font-size:clamp(2.8rem,7vw,5.7rem)}
.breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:30px}
.breadcrumb a{color:var(--muted)}
.node-summary{display:grid;grid-template-columns:1.4fr .6fr;gap:60px}
.fact-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.fact-list li{display:grid;grid-template-columns:130px 1fr;gap:18px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.88rem}
.fact-list span{color:var(--dim)}
.source-list{display:grid;gap:10px}
.source{padding:16px 0;border-bottom:1px solid var(--line)}
.source a{font-weight:650}
.source small{display:block;color:var(--muted);margin-top:4px}
.claim-detail{max-width:900px}
.claim-statement{font-size:clamp(1.7rem,4vw,2.8rem);line-height:1.26;letter-spacing:-.025em;margin:26px 0 44px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px}
.detail-block{border-top:1px solid var(--line);padding-top:18px}
.detail-block dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--dim);margin-bottom:5px}
.detail-block dd{margin:0 0 18px}
.site-footer{padding:44px 0 64px;color:var(--muted);font-size:.84rem}
.footer-grid{display:flex;justify-content:space-between;gap:28px}
.footer-grid nav{display:flex;gap:18px}
.integrity-note{font-size:.88rem;color:var(--muted);max-width:760px;margin-top:20px}
.code-link{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem}
@media(max-width:800px){
  .nav-links{display:none}
  .hero{padding-top:62px}
  .hero-grid,.node-summary,.callout .shell,.detail-grid{grid-template-columns:1fr;gap:30px}
  .card-grid,.metrics{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
  .section-heading{display:block}
  .section-heading p{margin-top:10px}
}
@media(max-width:520px){
  .shell{width:min(var(--max),calc(100% - 28px))}
  .flow{grid-template-columns:1fr}
  h1{font-size:3.1rem}
}