:root{
  --bg:#060b13; --bg-deep:#03070d; --surface:#0b1422;
  --teal:#00d6bd; --teal-light:#3fe9d4; --teal-glow:0,214,189;
  --accent:#ff6b3d; --accent-light:#ff8b5f; --accent-glow:255,107,61;
  --text:rgba(255,255,255,0.94); --body:rgba(255,255,255,0.64); --dim:rgba(255,255,255,0.40);
  --line:rgba(255,255,255,0.10); --line-soft:rgba(255,255,255,0.06);
  --measured:#00d6bd; --verified:#34d399; --computed:#3aa0ff; --inferred:#f5c451; --selfrep:#b388ff;
  --vgreen:#34d399; --vyellow:#f5c451; --vred:#f0726b;
  --font:"Inter",system-ui,sans-serif; --mono:"Fira Code",monospace; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--body);font-family:var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.65}
::selection{background:rgba(var(--accent-glow),0.3);color:#fff}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px}
em{font-style:italic;font-weight:300;color:var(--accent)}
.teal-em{font-style:italic;font-weight:300;color:var(--teal-light)}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:0.4em;text-transform:uppercase;color:rgba(var(--teal-glow),0.85)}
.eyebrow.acc{color:var(--accent-light)}
h2.big{font-weight:200;font-size:clamp(32px,4.4vw,54px);line-height:1.14;letter-spacing:-0.025em;color:#fff;text-wrap:balance}
h3.mid{font-weight:300;font-size:clamp(22px,2.4vw,30px);line-height:1.2;letter-spacing:-0.015em;color:#fff}
.lead{font-size:clamp(16px,1.4vw,20px);font-weight:300;line-height:1.62;color:var(--body);text-wrap:pretty}
.small{font-size:14.5px;line-height:1.7;color:var(--body)}
.mono{font-family:var(--mono)}
.rule{width:46px;height:2px;background:linear-gradient(90deg,var(--teal),var(--accent));border-radius:2px;display:block}
.rv{opacity:1;transform:none}
@media (prefers-reduced-motion:no-preference){.js .rv{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}.js .rv.in{opacity:1;transform:none}}

/* nav */
nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:all .4s;border-bottom:1px solid transparent}
nav.scrolled{background:rgba(6,11,19,0.82);backdrop-filter:blur(16px);border-bottom-color:var(--line-soft)}
.nav-in{max-width:var(--max);margin:0 auto;padding:16px 40px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px}.brand img{width:30px;height:30px}
.brand .wm{font-weight:300;font-size:21px;letter-spacing:-0.02em;color:var(--text)}.brand .wm .ai{color:var(--teal)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--dim);font-size:13.5px;transition:color .25s}.nav-links a:hover{color:var(--text)}
.nav-links a.cur{color:var(--text)}
.nav-cta{padding:9px 18px;border:1px solid rgba(var(--accent-glow),0.45);border-radius:100px;color:var(--accent-light)!important;font-size:12.5px;transition:all .25s}
.nav-cta:hover{background:rgba(var(--accent-glow),0.1)}

.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:100px;font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .25s}
.btn-primary{background:var(--accent);color:#0a0a0a}.btn-primary:hover{background:var(--accent-light);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}.btn-ghost:hover{border-color:rgba(var(--teal-glow),0.6);color:#fff}

/* hero */
#hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;padding:140px 0 90px}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;align-items:center;width:100%}
.hero-img{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1/1}
.hero-img img{width:100%;height:100%;object-fit:cover;display:block}
.hero-img .veil{position:absolute;inset:0;background:radial-gradient(ellipse at 60% 40%,transparent 30%,rgba(6,11,19,0.5) 90%),linear-gradient(180deg,transparent 50%,rgba(6,11,19,0.4))}
#hero h1{font-weight:200;font-size:clamp(40px,5.2vw,66px);line-height:1.08;letter-spacing:-0.03em;color:#fff;margin:24px 0 24px;text-wrap:balance}
.hero-mesh{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 50% 40% at 75% 20%,rgba(var(--teal-glow),0.1) 0%,transparent 60%),radial-gradient(ellipse 40% 40% at 20% 90%,rgba(var(--accent-glow),0.08) 0%,transparent 60%)}

section{position:relative}
.sec{padding:110px 0}
.sec-deep{background:var(--bg-deep)}
.sec-head{max-width:760px;margin-bottom:56px}
.sec-head .eyebrow{display:inline-block;margin-bottom:20px}
.sec-head h2{margin-bottom:22px}

/* two-col core */
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:36px}
.card h3{margin-bottom:14px}
.card p{font-size:15px;line-height:1.7;color:var(--body)}
.card .klabel{font-family:var(--mono);font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--accent-light);margin-bottom:14px}

/* code */
pre.code{font-family:var(--mono);font-size:13px;line-height:1.75;color:var(--body);background:var(--bg-deep);border:1px solid var(--line);border-radius:14px;padding:26px 28px;overflow-x:auto;white-space:pre}
pre.code .k{color:var(--teal-light)}pre.code .s{color:var(--accent-light)}pre.code .c{color:var(--dim);font-style:italic}pre.code .v{color:#fff}

/* pipeline */
.pipe{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;margin-top:48px}
.pnode{flex:1;min-width:180px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;position:relative}
.pnode .pn{font-family:var(--mono);font-size:10px;letter-spacing:0.2em;color:var(--teal-light);margin-bottom:10px}
.pnode h4{font-weight:400;font-size:18px;color:#fff;margin-bottom:8px}
.pnode p{font-size:13px;color:var(--body);line-height:1.55}
.parrow{display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:22px;padding:0 12px;flex:0 0 auto}
.pgate{margin-top:20px;text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:0.16em;color:var(--accent-light);text-transform:uppercase}

/* virtues */
.virtue-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}
.vlist{display:grid;grid-template-columns:1fr 1fr;gap:10px 28px}
.vrow{display:flex;align-items:center;gap:12px}
.vrow .vbar{flex:1;height:5px;background:rgba(255,255,255,0.06);border-radius:3px;overflow:hidden}
.vrow .vbar i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--teal-light));border-radius:3px}
.vrow .vn{font-size:13.5px;color:var(--text);width:104px;flex:0 0 auto}
.coh{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:32px;text-align:center}
.coh .score{font-weight:200;font-size:64px;color:var(--vgreen);letter-spacing:-0.03em;line-height:1}
.coh .scl{font-family:var(--mono);font-size:11px;letter-spacing:0.2em;text-transform:uppercase;color:var(--dim);margin-top:10px}
.coh .legend{display:flex;justify-content:center;gap:16px;margin-top:22px;flex-wrap:wrap}
.coh .lg{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--body)}
.coh .lg .d{width:9px;height:9px;border-radius:50%}

/* epistemic table */
.epi{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:48px}
.ecard{background:var(--surface);border:1px solid var(--line);border-top-width:3px;border-radius:12px;padding:22px 20px}
.ecard .et{font-family:var(--mono);font-size:13px;color:#fff;margin-bottom:10px;letter-spacing:0.02em}
.ecard p{font-size:12.5px;line-height:1.55;color:var(--body)}

/* nuggets */
.nuggets{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.nug{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:26px;display:flex;flex-direction:column;gap:14px}
.nug .ntag{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;padding:5px 10px;border-radius:100px;border:1px solid var(--line);align-self:flex-start}
.nug .ntag .d{width:8px;height:8px;border-radius:50%}
.nug p{font-size:14.5px;line-height:1.6;color:var(--text)}
.nug .nmeta{font-family:var(--mono);font-size:11px;color:var(--dim);margin-top:auto}
.nug .ncomment{font-size:12.5px;color:var(--teal-light)}

footer{border-top:1px solid var(--line-soft);padding:64px 0 46px;background:var(--bg-deep)}
.foot-row{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot-row .wm{font-weight:300;font-size:22px;color:#fff;display:flex;align-items:center;gap:10px}.foot-row .wm img{width:26px}.foot-row .wm .ai{color:var(--teal)}

@media(max-width:880px){
  .hero-grid,.split,.virtue-wrap{grid-template-columns:1fr;gap:32px}
  .epi{grid-template-columns:1fr 1fr}.nuggets{grid-template-columns:1fr}
  .vlist{grid-template-columns:1fr}.nav-links a:not(.nav-cta){display:none}
  .parrow{transform:rotate(90deg)}
}