:root{--bg:#070B17;--panel:#0D1426;--line:#1F2A46;--ink:#EAF2FF;--dim:#9DACC9;--cy:#58D6FF}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 -apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif}
a{color:var(--cy)}.top{display:flex;justify-content:space-between;align-items:center;padding:16px max(16px,calc((100% - 880px)/2));border-bottom:1px solid var(--line)}
.brand{display:flex;gap:10px;align-items:center;color:var(--ink);text-decoration:none;font-weight:600}.brand img{border-radius:8px}
nav a{margin-left:18px;text-decoration:none;color:var(--dim)}.wrap{max-width:880px;margin:0 auto;padding:32px 16px 64px}
.eyebrow{font:12px/1 Menlo,monospace;letter-spacing:.2em;color:var(--cy)}h1{font-size:clamp(32px,6vw,52px);line-height:1.1;margin:12px 0}
.lead{color:var(--dim);font-size:20px;max-width:640px}.cta{display:inline-block;padding:14px 26px;border-radius:28px;background:var(--cy);color:var(--bg);font-weight:600}
.cta.disabled{opacity:.45}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:40px}
.grid div{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px}.grid h2{margin:0 0 6px;font-size:18px}.grid p{margin:0;color:var(--dim);font-size:15px}
.doc h2{margin-top:32px}.doc h3{margin:22px 0 4px}.meta{color:var(--dim)}.foot{border-top:1px solid var(--line);padding:24px max(16px,calc((100% - 880px)/2));color:var(--dim);font-size:14px}