:root{--bg:#0b1220;--panel:#111b2e;--ink:#e6edf6;--mut:#94a3b8;--bd:#1e2a42;--acc:#14b8a6;--acc2:#0f766e}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
.narrow{max-width:760px}
a{color:inherit;text-decoration:none}
.nav{position:sticky;top:0;background:rgba(11,18,32,.82);backdrop-filter:blur(8px);border-bottom:1px solid var(--bd);z-index:5}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:18px}
.logo{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#06231f}
.logo svg{width:18px;height:18px}
.links{display:flex;align-items:center;gap:22px;color:var(--mut);font-size:14px}
.links a:hover{color:var(--ink)}
.btn{display:inline-block;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#04241f;font-weight:700;padding:9px 16px;border-radius:10px}
.btn:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--bd)}
.btn-lg{padding:13px 22px;font-size:15px}
.hero{padding:84px 0 64px;text-align:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--mut);border:1px solid var(--bd);background:var(--panel);padding:6px 13px;border-radius:999px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px rgba(20,184,166,.18)}
.hero h1{font-size:clamp(34px,6vw,56px);line-height:1.05;letter-spacing:-.03em;margin:22px 0 16px}
.grad{background:linear-gradient(135deg,var(--acc),#5eead4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:680px;margin:0 auto;color:var(--mut);font-size:18px}
.cta{display:flex;gap:14px;justify-content:center;margin:30px 0 46px;flex-wrap:wrap}
.codecard{max-width:760px;margin:0 auto;text-align:left;background:var(--panel);border:1px solid var(--bd);border-radius:14px;overflow:hidden}
.codecard .bar{display:flex;gap:7px;padding:12px 14px;border-bottom:1px solid var(--bd)}
.codecard .bar i{width:11px;height:11px;border-radius:50%;background:#33415a}
.codecard pre,.block{margin:0;padding:18px;font:13.5px/1.7 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#a5f3e4;overflow-x:auto}
.block{background:var(--panel);border:1px solid var(--bd);border-radius:12px;color:#cbd5e1}
.section{padding:64px 0;border-top:1px solid var(--bd)}
.section.alt{background:#0a101d}
.head{text-align:center;margin-bottom:38px}
.head h2{font-size:30px;letter-spacing:-.02em;margin:0 0 8px}
.head p{color:var(--mut);margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--bd);border-radius:14px;padding:22px}
.card h3{margin:0 0 8px;font-size:17px}
.card p{margin:0;color:var(--mut);font-size:14.5px}
.foot{border-top:1px solid var(--bd);padding:30px 0;color:var(--mut);font-size:14px}
.foot .wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.foot a:hover{color:var(--ink)}
.sep{opacity:.4}