:root{
  --bg:#04100b;--bg2:#07170f;--surface:#0a1b13;--surface2:#0d2419;--panel:#10291d;
  --line:rgba(111,218,164,.16);--line-strong:rgba(82,239,173,.34);--text:#f4faf7;--muted:#a8beb2;
  --green:#52efad;--green2:#15976b;--amber:#f0be61;--shadow:0 24px 80px rgba(0,0,0,.34);--shell:1220px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(circle at 86% 0%,rgba(32,141,95,.16),transparent 32rem),
  radial-gradient(circle at 8% 12%,rgba(32,141,95,.1),transparent 26rem),
  var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.24;background-image:
  linear-gradient(rgba(82,239,173,.025) 1px,transparent 1px),
  linear-gradient(90deg,rgba(82,239,173,.025) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,black,transparent 84%)}
a{color:inherit}.shell{width:min(calc(100% - 40px),var(--shell));margin:auto}.section{padding:110px 0}.skip{position:fixed;left:16px;top:-80px;z-index:999;background:var(--green);color:#02120a;padding:9px 13px;border-radius:10px}.skip:focus{top:12px}
.progress{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--green),#9affd1);width:0;z-index:100}
.header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:rgba(4,16,11,.82);backdrop-filter:blur(18px)}
.bar{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.logo{width:40px;height:40px;border:1px solid var(--line-strong);border-radius:12px;display:grid;place-items:center;color:var(--green);font-weight:850;letter-spacing:-.03em;background:linear-gradient(145deg,#0d2a1d,#07170f)}.brand-copy{display:grid;line-height:1.05}.brand-copy b{font-size:14px}.brand-copy small{font-size:10px;color:var(--muted);margin-top:4px}.version-pill{font-style:normal;font-size:10px;color:var(--green);border:1px solid var(--line-strong);padding:3px 7px;border-radius:999px}.bar nav{display:flex;gap:26px}.bar nav a,.footer-links a{font-size:13px;color:var(--muted);text-decoration:none}.bar nav a:hover,.footer-links a:hover{color:var(--green)}.nav-cta{padding:9px 14px;border:1px solid var(--line-strong);border-radius:999px;text-decoration:none;font-size:12px;color:var(--green);background:rgba(82,239,173,.06)}
.hero{min-height:calc(100vh - 74px);display:grid;align-items:center;padding-top:86px}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:62px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--green);text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:850}.eyebrow:before{content:"";width:24px;height:1px;background:currentColor}h1,h2,h3{margin-top:0;line-height:1.08;letter-spacing:-.035em}h1{font-size:clamp(54px,6vw,88px);margin:22px 0 24px}h1 span{color:var(--green)}h2{font-size:clamp(34px,4.5vw,56px);margin-bottom:18px}h3{font-size:20px}.lead{font-size:18px;color:var(--muted);max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{min-height:46px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:13px;font-weight:800;border:1px solid var(--line)}.btn.primary{background:linear-gradient(135deg,var(--green),#38c889);color:#03120b;border:0;box-shadow:0 12px 30px rgba(82,239,173,.18)}.btn.ghost{color:var(--text);background:rgba(255,255,255,.02)}.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.hero-badges span,.model-tags span,.data-strip span{padding:7px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px;background:rgba(255,255,255,.015)}
.hero-visual{position:relative;border:1px solid var(--line);border-radius:30px;background:linear-gradient(145deg,rgba(13,36,25,.88),rgba(5,17,12,.96));box-shadow:var(--shadow);overflow:hidden}.hero-visual:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(82,239,173,.07);filter:blur(60px);right:-80px;top:-80px}.hero-graphic{width:100%;display:block;padding:14px}.hero-graphic rect{fill:#0b2117;stroke:rgba(82,239,173,.28);stroke-width:1.5}.hero-graphic text{fill:#eef8f3;font-size:16px;font-weight:750;text-anchor:middle}.hero-graphic .sub{fill:#8ca99a;font-size:11px;font-weight:500}.visual-caption{display:flex;align-items:center;gap:8px;padding:15px 20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.visual-caption span{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 16px var(--green)}
.band{border-block:1px solid var(--line);background:rgba(255,255,255,.012)}.metrics{display:grid;grid-template-columns:repeat(4,1fr)}.metrics article{display:flex;gap:14px;padding:25px 20px;border-right:1px solid var(--line)}.metrics article:last-child{border-right:0}.metric-icon{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:rgba(82,239,173,.08);color:var(--green);flex:none}.metrics b{display:block}.metrics small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.head{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:end;margin-bottom:46px}.head h2{margin:10px 0 0}.head>p{margin:0 0 4px;color:var(--muted);max-width:560px;justify-self:end}.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{position:relative;min-height:310px;padding:26px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(160deg,rgba(14,40,28,.95),rgba(6,21,14,.96));overflow:hidden;transition:transform .22s ease,border-color .22s ease}.card:hover{transform:translateY(-4px);border-color:var(--line-strong)}.card:after{content:"";position:absolute;width:120px;height:120px;right:-45px;top:-45px;background:radial-gradient(circle,rgba(82,239,173,.08),transparent 70%)}.card-icon{width:43px;height:43px;border-radius:14px;display:grid;place-items:center;background:rgba(82,239,173,.09);color:var(--green);font-size:20px;margin-bottom:22px}.card p,.card ul{color:var(--muted);font-size:13px}.card ul{padding-left:18px;margin-top:20px}.visual-section{background:linear-gradient(180deg,rgba(255,255,255,.01),rgba(82,239,173,.018));border-block:1px solid var(--line)}.architecture-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}.architecture-grid>div:first-child p{color:var(--muted);font-size:16px}.flow-art{display:grid;grid-template-columns:1fr auto 1fr auto 1.1fr auto 1fr;gap:12px;align-items:center;padding:26px;border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.015)}.flow-card{padding:18px;border:1px solid var(--line);border-radius:17px;background:#071912;min-height:130px;display:flex;flex-direction:column;justify-content:center}.flow-card.active{border-color:var(--line-strong);box-shadow:inset 0 0 0 1px rgba(82,239,173,.08)}.flow-card small{color:var(--green);font-weight:850}.flow-card b{margin:6px 0}.flow-card span{font-size:11px;color:var(--muted)}.flow-art i{font-style:normal;color:var(--green);font-size:20px}.source-cluster{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.source-cluster span{padding:10px;border:1px solid var(--line);border-radius:10px;background:#071912;text-align:center;color:var(--muted);font-size:11px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.steps article{padding:23px;border:1px solid var(--line);border-radius:18px;background:#081b13}.steps span,.security-grid article>span{color:var(--green);font-size:12px;font-weight:850}.steps h3{margin:8px 0}.steps p{color:var(--muted);font-size:13px;margin:0}.use-grid{display:grid;grid-template-columns:1fr .9fr;gap:54px;align-items:start}.use-grid>div>p{color:var(--muted)}.prompts{display:grid;gap:10px;margin-top:22px}.prompts button{position:relative;text-align:left;padding:15px 48px 15px 16px;border:1px solid var(--line);border-radius:14px;background:#081b13;color:var(--text);font:inherit;font-size:13px;cursor:pointer}.prompts button:after{content:"→";position:absolute;right:18px;color:var(--green)}.prompts button:hover{border-color:var(--line-strong)}#copied{display:block;min-height:20px;color:var(--green);font-size:11px;margin-top:6px}.practice-panel{border:1px solid var(--line);border-radius:24px;background:linear-gradient(160deg,#0c2419,#071710);padding:26px;overflow:hidden}.practice-title{font-size:18px;font-weight:800;margin-bottom:8px}.practice-panel>div:not(.practice-title){display:flex;gap:12px;padding:16px 0;border-top:1px solid var(--line)}.practice-panel p{margin:0;color:var(--muted);font-size:13px}.ok,.warn{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;flex:none;font-weight:900}.ok{background:rgba(82,239,173,.1);color:var(--green)}.warn{background:rgba(240,190,97,.1);color:var(--amber)}.mini-art{width:100%;margin-top:14px;opacity:.7}
.dark-block{background:#020b07;border-block:1px solid var(--line)}.security-layout{display:grid;grid-template-columns:1fr .36fr;gap:28px;align-items:stretch}.security-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.security-grid article{padding:22px;border:1px solid var(--line);border-radius:18px;background:#07170f}.security-grid h3{margin:7px 0 8px}.security-grid p{margin:0;color:var(--muted);font-size:13px}.shield-art{border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,rgba(82,239,173,.05),transparent);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:22px;text-align:center}.shield-art svg{width:min(220px,80%)}.shield-art p{color:var(--muted);font-size:12px}.shield-art b{color:var(--text)}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.principles article{padding:22px;border:1px solid var(--line);border-radius:18px;background:#081b13}.principles p{color:var(--muted);font-size:13px}.data-strip{margin-top:20px;padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.015)}.data-strip>div{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.model-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}.model-grid p{color:var(--muted)}.model-visual{padding:28px;border:1px solid var(--line);border-radius:24px;background:#071710}.model-visual svg{width:100%;opacity:.75}.model-tags{display:flex;gap:8px;flex-wrap:wrap}.governance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.governance-grid article{padding:23px;border:1px solid var(--line);border-radius:18px;background:#081b13}.governance-grid article>span{color:var(--green);font-size:22px}.governance-grid p{color:var(--muted);font-size:13px}.limits{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.limits div{display:grid;gap:5px;padding:22px;border:1px solid var(--line);border-radius:17px;background:#06140e}.limits span{color:var(--muted);font-size:13px}.transparency-card{display:grid;grid-template-columns:1fr 1fr;gap:46px;padding:34px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(145deg,#0b2117,#071710)}.transparency-card p{color:var(--muted)}.exposure-grid{display:grid;gap:12px}.exposure-grid article{position:relative;padding:20px 20px 20px 58px;border:1px solid var(--line);border-radius:17px;background:#07170f}.exposure-grid article>span{position:absolute;left:18px;top:20px}.exposure-grid b{display:block}.exposure-grid p{font-size:13px;margin-bottom:0}.faq{max-width:940px}.faq details{border:1px solid var(--line);border-radius:15px;background:#081b13;padding:0 18px;margin-bottom:10px}.faq summary{padding:17px 0;font-weight:800;cursor:pointer;list-style:none}.faq summary:after{content:"+";float:right;color:var(--green)}.faq details[open] summary:after{content:"–"}.faq details p{margin:0;padding-bottom:17px;color:var(--muted)}.final-cta{padding-top:40px}.cta{display:flex;align-items:end;justify-content:space-between;gap:30px;padding:36px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,#0d291d,#071710)}.cta h2{max-width:760px;margin:10px 0}.cta p{color:var(--muted)}footer{border-top:1px solid var(--line);padding:30px 0 44px}.foot{display:grid;grid-template-columns:1fr auto auto;gap:30px;align-items:center}.footer-brand{display:flex}.footer-links{display:flex;gap:16px}.footer-meta{color:var(--muted);font-size:11px}
@media(max-width:1080px){.hero-grid,.architecture-grid,.model-grid,.use-grid,.security-layout,.transparency-card{grid-template-columns:1fr}.cap-grid{grid-template-columns:repeat(2,1fr)}.metrics{grid-template-columns:repeat(2,1fr)}.metrics article:nth-child(2){border-right:0}.metrics article:nth-child(-n+2){border-bottom:1px solid var(--line)}.steps,.principles,.governance-grid{grid-template-columns:repeat(2,1fr)}.flow-art{grid-template-columns:1fr}.flow-art i{transform:rotate(90deg);justify-self:center}.source-cluster{grid-template-columns:repeat(3,1fr)}.shield-art{min-height:320px}}
@media(max-width:720px){.shell{width:min(calc(100% - 24px),var(--shell))}.section{padding:76px 0}.bar nav,.nav-cta,.version-pill{display:none}.hero{padding-top:54px;min-height:auto}.hero-grid{gap:34px}h1{font-size:48px}.head{grid-template-columns:1fr;gap:18px}.head>p{justify-self:start}.cap-grid,.metrics,.steps,.security-grid,.principles,.governance-grid,.limits{grid-template-columns:1fr}.metrics article{border-right:0;border-bottom:1px solid var(--line)}.metrics article:last-child{border-bottom:0}.source-cluster{grid-template-columns:repeat(2,1fr)}.cta{align-items:flex-start;flex-direction:column}.foot{grid-template-columns:1fr}.footer-links{flex-wrap:wrap}.hero-badges{gap:6px}.brand-copy small{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}