:root{
  --bg:#03050B;--bg2:#070B16;--line:rgba(140,200,255,.10);--line2:rgba(140,200,255,.22);
  --cyan:#38F0FF;--cyan2:#8AF4FF;--blue:#2B6BFF;--amber:#FFB63C;
  --text:#EEF3FB;--muted:#94A3BD;--dim:#5E6C86;
  --sans:"Geist",ui-sans-serif,sans-serif;--serif:"Instrument Serif",serif;--mono:"JetBrains Mono",monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(900px 500px at 80% -10%,rgba(43,107,255,.18),transparent 65%),radial-gradient(700px 500px at 0% 0%,rgba(56,240,255,.08),transparent 60%)}
body>*{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
::selection{background:rgba(56,240,255,.3)}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.serif{font-family:var(--serif);font-style:italic;font-weight:400}
.grad{background:linear-gradient(100deg,var(--cyan2),var(--cyan) 35%,var(--blue) 85%);-webkit-background-clip:text;background-clip:text;color:transparent}

.lnav{position:sticky;top:0;z-index:40;background:rgba(3,5,11,.8);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.lnav .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:16px}
.brand img{width:34px;height:34px}
.back{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;border:1px solid var(--line2);font-size:14px;color:var(--muted);transition:.25s var(--ease)}
.back:hover{border-color:var(--cyan);color:var(--cyan2)}

.lhead{padding:110px 0 60px;border-bottom:1px solid var(--line)}
.lhead .mono{color:var(--cyan)}
.lhead h1{font-size:clamp(48px,7vw,104px);line-height:.95;letter-spacing:-.045em;font-weight:500;margin:22px 0 22px}
.lhead p{color:var(--muted);max-width:60ch;margin:0}
.tabs{display:flex;gap:8px;margin-top:44px;flex-wrap:wrap}
.tabs a{padding:10px 18px;border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--muted);transition:.2s}
.tabs a:hover{color:var(--text);border-color:var(--line2)}
.tabs a[aria-current="page"]{background:var(--text);color:var(--bg);border-color:var(--text)}

.lbody{display:grid;grid-template-columns:240px 1fr;gap:64px;padding:72px 0 120px}
.toc{position:sticky;top:110px;align-self:start}
.toc .mono{color:var(--dim);display:block;margin-bottom:16px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc a{display:block;padding:8px 0 8px 18px;font-size:14px;color:var(--muted);margin-left:-1px;border-left:1px solid transparent;transition:.2s}
.toc a:hover,.toc a.on{color:var(--cyan2);border-left-color:var(--cyan)}

.doc{max-width:760px}
.doc section{padding:0 0 44px;margin-bottom:44px;border-bottom:1px solid var(--line);scroll-margin-top:100px}
.doc section:last-child{border-bottom:0}
.doc .num{font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.14em}
.doc h2{font-size:30px;letter-spacing:-.025em;font-weight:500;margin:10px 0 18px;line-height:1.15}
.doc p,.doc li{color:var(--muted);font-size:16.5px;line-height:1.75;text-wrap:pretty}
.doc p{margin:0 0 14px}
.doc ul{padding:0;margin:0;list-style:none}
.doc li{padding:12px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:200px 1fr;gap:20px}
.doc li:first-child{border-top:0}
.doc li strong{color:var(--text);font-weight:500}
.doc a{color:var(--cyan2);border-bottom:1px solid rgba(138,244,255,.3)}
.doc a:hover{border-color:var(--cyan)}
.ph{font-family:var(--mono);font-size:13px;color:var(--amber);background:rgba(255,182,60,.08);border:1px dashed rgba(255,182,60,.4);padding:1px 7px;border-radius:6px;white-space:normal}
.note{margin-top:8px;padding:22px 24px;border:1px solid var(--line2);border-radius:18px;background:rgba(56,240,255,.035);color:var(--muted);font-size:15px}
.note strong{color:var(--text);font-weight:500}
table{width:100%;border-collapse:collapse;margin:18px 0 20px;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:14px 12px 14px 0;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);font-weight:400}
td{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:999px;font-weight:500;font-size:14.5px;cursor:pointer;border:0;font-family:var(--sans);transition:.25s var(--ease)}
.btn-p{background:var(--text);color:var(--bg)}
.btn-p:hover{background:#fff;box-shadow:0 10px 40px rgba(56,240,255,.3)}
.btn-g{background:transparent;color:var(--text);border:1px solid var(--line2)}
.btn-g:hover{border-color:var(--cyan);color:var(--cyan2)}

.lfoot{border-top:1px solid var(--line);padding:36px 0;color:var(--dim);font-size:13.5px}
.lfoot .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.lfoot nav{display:flex;gap:22px;flex-wrap:wrap}
.lfoot a:hover{color:var(--text)}

@media (max-width:900px){
  .lbody{grid-template-columns:1fr;gap:40px}
  .toc{position:static}
  .doc li{grid-template-columns:1fr;gap:4px}
  .lhead{padding:70px 0 44px}
}
@media (max-width:560px){.wrap{padding:0 20px}.brand span{display:none}}