:root{--bg:#0b1220;--card:#111b2e;--text:#e7eefc;--muted:#a9b6d3;--line:#22304d;--btn:#2b66f6}
*{box-sizing:border-box} body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial;color:var(--text);background:linear-gradient(180deg,#070b14,var(--bg))}
a{color:inherit;text-decoration:none}
.container{max-width:980px;margin:0 auto;padding:28px 18px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,18,32,.85);backdrop-filter:saturate(180%) blur(8px)}
.brand{display:flex;gap:10px;align-items:center;font-weight:700}
.nav{display:flex;gap:16px;color:var(--muted)}
.nav a[aria-current="page"]{color:var(--text)}
.hero{display:grid;grid-template-columns:1.35fr .65fr;gap:18px;margin-top:10px}
@media (max-width:900px){.hero{grid-template-columns:1fr}}
h1{font-size:34px;line-height:1.15;margin:6px 0 10px}
h2{margin:0 0 10px}
.muted{color:var(--muted)}
.card{background:rgba(17,27,46,.75);border:1px solid var(--line);border-radius:14px;padding:16px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.btn{background:var(--btn);padding:10px 14px;border-radius:10px;font-weight:600}
.btn-ghost{background:transparent;border:1px solid var(--line)}
.bullets{margin:14px 0 0;padding:0 0 0 18px;color:var(--muted)}
.section{margin-top:22px}
.grid{display:grid;grid-template-columns:1fr;gap:10px}
.tile{display:block;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:rgba(8,12,22,.35)}
.footer{display:flex;justify-content:space-between;gap:10px;max-width:980px;margin:10px auto 26px;padding:0 18px;color:var(--muted)}
code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:8px;border:1px solid rgba(255,255,255,.08)}