:root{--bg:#0b0d12;--bg2:#11141b;--card:#141821;--line:#232a36;--text:#e8ecf3;--muted:#8b95a7;--acc:#c6ff3d;--acc2:#6ee7ff;--r:14px;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.bg{position:fixed;inset:0;z-index:-1;background:
 radial-gradient(900px 500px at 85% -10%,rgba(110,231,255,.12),transparent 60%),
 radial-gradient(700px 500px at 5% 10%,rgba(198,255,61,.09),transparent 60%),
 radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/26px 26px,var(--bg)}
a{color:inherit;text-decoration:none}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}
.top{position:sticky;top:0;z-index:10;backdrop-filter:blur(12px);background:rgba(11,13,18,.72);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:18px}
.dot{width:12px;height:12px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px rgba(198,255,61,.18),0 0 18px var(--acc)}
.nav{display:flex;align-items:center;gap:22px;font-size:15px;color:var(--muted)}.nav a:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:12px;background:var(--acc);color:#10140a;font-weight:700;border:1px solid var(--acc);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 28px rgba(198,255,61,.25);color:#10140a}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}.btn.ghost:hover{border-color:var(--muted);box-shadow:none;color:var(--text)}
.btn.small{padding:8px 14px;font-size:14px;border-radius:10px}
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;padding-top:84px;padding-bottom:40px}
.tag{display:inline-block;font:13px ui-monospace,monospace;color:var(--acc);border:1px solid rgba(198,255,61,.35);padding:5px 12px;border-radius:99px;background:rgba(198,255,61,.06)}
h1{font-size:clamp(34px,5.2vw,58px);line-height:1.08;letter-spacing:-.035em;margin:18px 0 16px}
.hero h1{background:linear-gradient(180deg,#fff,#aab4c6);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:19px;color:var(--muted);max-width:56ch}.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.term{background:#0a0c10;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(110,231,255,.06);overflow:hidden}
.tb{display:flex;gap:7px;padding:12px 14px;border-bottom:1px solid var(--line);background:#0e1117}.tb i{width:11px;height:11px;border-radius:50%;background:#2a3140}
.term pre{margin:0;padding:18px;font-size:13px;line-height:1.65;overflow:auto;color:#cfe8ff}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding-bottom:30px}
.stat{padding:20px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.stat b{display:block;font-size:26px;letter-spacing:-.02em;color:var(--acc)}.stat span{color:var(--muted);font-size:14px}
section.wrap{padding-top:46px;padding-bottom:46px}.hero>*,.docs>*,.grid4>*,.steps>*{min-width:0}h2{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.025em;margin:0 0 14px;line-height:1.2}
h3{margin:0 0 6px;font-size:18px}.muted{color:var(--muted)}.sub{margin-top:36px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.card{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,var(--card),var(--bg2))}
.card p{margin:0;color:var(--muted);font-size:15px}
.steps{list-style:none;margin:22px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.steps li{display:flex;gap:14px;padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.steps p{margin:0;color:var(--muted);font-size:15px}
.n{flex:none;width:34px;height:34px;border-radius:10px;background:rgba(198,255,61,.12);color:var(--acc);display:grid;place-items:center;font-weight:700}
.models{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px;margin-top:22px}
.model{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);transition:border-color .2s}.model:hover{border-color:rgba(198,255,61,.5)}
.mh{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.mh code{font-size:15px;color:var(--acc2)}
.mh em{font:600 11px ui-monospace,monospace;text-transform:uppercase;color:#10140a;background:var(--acc);padding:2px 8px;border-radius:99px;font-style:normal}
.model p{color:var(--muted);font-size:14px;margin:8px 0 16px}
.model dl{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0}.model dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.model dd{margin:0;font-size:20px;font-weight:700}
.note{margin-top:16px;color:var(--muted);font-size:14px;border-left:2px solid var(--acc);padding-left:14px}
.tiles{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.tile{padding:10px 20px;border:1px solid var(--line);border-radius:10px;background:var(--card);font-weight:700}
details{border-bottom:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--acc);font-size:22px;line-height:1}details[open] summary::after{content:"–"}details p{color:var(--muted);margin:10px 0 0}
.foot{border-top:1px solid var(--line);padding:30px 0;margin-top:40px}.foot-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.foot nav{display:flex;gap:20px;color:var(--muted);font-size:15px}.foot nav a:hover{color:var(--text)}.foot p{font-size:13px;margin:14px 0 0}
/* docs */
.docs{display:grid;grid-template-columns:210px 1fr;gap:40px;padding-top:40px;padding-bottom:20px}
.side{position:sticky;top:90px;align-self:start;display:flex;flex-direction:column;gap:8px;font-size:15px;color:var(--muted)}.side b{color:var(--text);margin-bottom:6px}.side a:hover{color:var(--acc)}
article h1{font-size:clamp(30px,4vw,42px);margin:0 0 10px}article h3{margin-top:28px}article h2{margin-top:44px;scroll-margin-top:90px}
ol.plain{padding-left:22px}ol.plain li{margin:6px 0}
.facts{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:10px;margin:16px 0}
.facts div{padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--card)}.facts dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.facts dd{margin:4px 0 0}.facts code{font-size:13px;color:var(--acc);word-break:break-all}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.tab{font:inherit;font-size:14px;padding:8px 14px;border-radius:99px;border:1px solid var(--line);background:var(--card);color:var(--muted);cursor:pointer}
.tab.on{background:var(--acc);color:#10140a;border-color:var(--acc);font-weight:700}
.js .panel{display:none}.js .panel.on{display:block}.panel{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin-bottom:14px}
.panel ol{padding-left:22px;margin:10px 0 16px}.panel li{margin:6px 0}
.code{position:relative;margin:12px 0}.code pre{margin:0;padding:16px;background:#0a0c10;border:1px solid var(--line);border-radius:12px;overflow:auto;font-size:13px;line-height:1.6;color:#cfe8ff}
.clabel{position:absolute;top:-9px;left:12px;font:12px ui-monospace,monospace;background:var(--bg);color:var(--muted);padding:0 8px}
.copy{position:absolute;top:10px;right:10px;font:inherit;font-size:12px;padding:4px 10px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--muted);cursor:pointer}.copy:hover{color:var(--text)}
.errs{width:100%;border-collapse:collapse}.errs td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}.errs td:first-child{width:70px}.errs code{color:var(--acc)}
/* blog */
.posts{display:grid;gap:14px;margin-top:24px}.post{display:block;padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);transition:border-color .2s}
.post:hover{border-color:rgba(198,255,61,.5)}.post p{margin:0;color:var(--muted)}
.article{padding-top:44px;padding-bottom:20px}.article p{font-size:17px}.article .lead{font-size:19px}.back{color:var(--muted);font-size:14px}.back:hover{color:var(--acc)}
@media(max-width:960px){.hero{grid-template-columns:minmax(0,1fr);padding-top:48px}.grid4,.steps{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr 1fr}.docs{grid-template-columns:1fr}.side{position:static;flex-direction:row;flex-wrap:wrap;gap:14px}.side b{width:100%}}
@media(max-width:620px){.nav a:not(.btn):not(.lang){display:none}.nav{gap:12px}.grid4,.steps{grid-template-columns:1fr}.models{grid-template-columns:1fr}.stat b{font-size:22px}}