:root{--bg:#07080b;--panel:#0d0f14;--panel2:#11141b;--ink:#eef1f6;--soft:#b7bdc9;--muted:#8d94a3;--line:#1b1f28;--line2:#262b36;--sky:#8ec5ff;--cyan:#22d3ee;--up:#4ade80;--down:#ff6b6b;--warn:#ffb86b;--flow:linear-gradient(100deg,#8ec5ff,#22d3ee);color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"SF Pro Text","Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
p a,li a,td a{color:var(--sky)}p a:hover,li a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
nav.top{position:sticky;top:0;z-index:20;background:rgba(7,8,11,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0)}
nav.top .wrap{display:flex;align-items:center;gap:22px;height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.01em}
.logo img,.logo svg{width:28px;height:28px}
.links{display:flex;gap:18px;font-size:14px;color:var(--muted)}
.links a:hover,.links a.on{color:var(--ink)}
.sp{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line2);border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;transition:border-color .15s,background .15s;cursor:pointer;background:transparent;color:inherit;font-family:inherit}
.btn:hover{border-color:#3a4150;background:#10131a}
.btn.pri{border:0;background:var(--flow);color:#041019}
.btn.pri:hover{filter:brightness(1.07)}
.btn.lg{padding:12px 20px;font-size:15px}
.menu{display:none}
.hero{position:relative;padding:96px 0 72px;text-align:center;overflow:hidden}
.hero.sm{padding:72px 0 44px}
.hero::before{content:"";position:absolute;inset:-40% -10% auto;height:620px;background:radial-gradient(closest-side,rgba(34,211,238,.15),transparent 70%),radial-gradient(closest-side at 30% 60%,rgba(142,197,255,.13),transparent 70%);pointer-events:none}
.hero>*{position:relative}
.mark{width:96px;height:96px;margin:0 auto 26px;filter:drop-shadow(0 0 28px rgba(34,211,238,.35))}
h1{font-size:clamp(40px,7.5vw,72px);line-height:1.03;margin:0 0 16px;letter-spacing:-.035em;font-weight:750}
.hero.sm h1{font-size:clamp(34px,6vw,54px)}
.grad{background:var(--flow);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,2.2vw,20px);color:var(--soft);max-width:660px;margin:0 auto 30px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.kicker{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line2);border-radius:999px;padding:4px 12px;margin-bottom:22px}
section{padding:64px 0;border-top:1px solid var(--line)}
h2{font-size:clamp(26px,4vw,38px);letter-spacing:-.025em;margin:0 0 8px;line-height:1.15}
h3{margin:0;font-size:18px;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 32px;max-width:660px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:10px;min-width:0;transition:border-color .15s,transform .15s}
a.card:hover{border-color:#2f3644;transform:translateY(-2px)}
.card p{margin:0;color:#a9b0bd;font-size:14.5px}
.card .go{margin-top:auto;padding-top:8px;font-size:14px;font-weight:600;background:var(--flow);-webkit-background-clip:text;background-clip:text;color:transparent}
.ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:#0a1a22;border:1px solid #16303b;font-size:19px}
.host{font:600 12px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
code.tag,.idtag{font:600 12px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--cyan);background:#08161c;border:1px solid #12303a;border-radius:6px;padding:2px 7px;align-self:flex-start}
p code,li code,td code{font-size:.88em;background:#10141b;border:1px solid var(--line2);border-radius:5px;padding:1px 5px}
pre{margin:0;background:#06070a;border:1px solid var(--line);border-radius:14px;padding:18px;overflow-x:auto;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:#cfd6e2}
pre .c{color:#6b7385}pre .s{color:#7ee0c3}pre .k{color:var(--sky)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{text-align:left;color:var(--muted);font-weight:500;font-size:13px;padding:10px;border-bottom:1px solid var(--line)}
td{padding:11px 10px;border-bottom:1px solid #14171e;vertical-align:top}
.tw{overflow-x:auto}
.pill{display:inline-block;font-size:11.5px;font-weight:700;border-radius:999px;padding:2px 9px;letter-spacing:.02em}
.pill.flow{background:var(--flow);color:#041019}.pill.ok{background:#0f2a1d;color:#6ee7a8}.pill.warn{background:#2a2414;color:#ffd99a}
.split{display:grid;grid-template-columns:1fr 1.15fr;gap:32px;align-items:center}
.checks{list-style:none;padding:0;margin:18px 0 26px;display:grid;gap:10px}
.checks li{display:flex;gap:10px;color:#c3c9d4}
.checks li::before{content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;background:var(--flow);-webkit-mask:radial-gradient(circle,#000 38%,transparent 40%);mask:radial-gradient(circle,#000 38%,transparent 40%)}
.steps{counter-reset:s;display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.steps .card::before{counter-increment:s;content:counter(s);width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:14px;background:var(--flow);color:#041019}
.doc{display:grid;grid-template-columns:220px 1fr;gap:40px;padding:40px 0 80px}
.doc aside{position:sticky;top:80px;align-self:start;display:grid;gap:2px;font-size:14px}
.doc aside a{color:var(--muted);padding:6px 10px;border-radius:8px}.doc aside a:hover{color:var(--ink);background:#10131a}
.doc aside b{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:14px 10px 6px;font-weight:600}
.doc article{min-width:0}
.doc article h2{font-size:26px;margin:44px 0 10px;scroll-margin-top:80px}.doc article h2:first-child{margin-top:0}
.doc article h3{margin:26px 0 8px;font-size:17px}
.doc article p,.doc article li{color:#c3c9d4}
.doc article pre{margin:12px 0 18px}
.note{border:1px solid #1d4b5a;background:#071419;border-radius:12px;padding:12px 14px;color:#bfe9f3;font-size:14.5px;margin:14px 0}
.swatch{border-radius:14px;height:92px;border:1px solid var(--line2)}
footer.foot{border-top:1px solid var(--line);padding:44px 0 calc(36px + env(safe-area-inset-bottom,0));color:var(--muted);font-size:14px}
footer.foot .cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
footer.foot h4{margin:0 0 10px;color:var(--ink);font-size:13px;letter-spacing:.06em;text-transform:uppercase}
footer.foot a{display:block;padding:3px 0}footer.foot a:hover{color:var(--ink)}
footer.foot .base{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:960px){.g5{grid-template-columns:repeat(2,minmax(0,1fr))}.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}.links{gap:14px}}
@media (max-width:820px){.links{display:none}.menu{display:inline-flex}.links.open{display:flex;position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:#0a0c10;border-bottom:1px solid var(--line);padding:8px 20px 14px}.links.open a{padding:10px 0;font-size:16px}.doc{grid-template-columns:1fr}.doc aside{display:none}footer.foot .cols{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr}}
@media (max-width:640px){.g2,.g3,.g4,.g5{grid-template-columns:1fr}.hero{padding:64px 0 48px}section{padding:48px 0}nav.top .btn:not(.pri):not(.menu){display:none}}