:root{--bg:#0b0b12;--panel:#13131d;--text:#f5f7fb;--muted:#c7c9d3;--accent:#7c3aed;--border:#222235}
*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}
body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica,Arial}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:24px}
nav{position:sticky;top:0;z-index:10;background:rgba(19,19,29,.9);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;gap:20px;padding:14px 24px;max-width:980px;margin:0 auto}
.brand{font-weight:800;letter-spacing:.5px}.brand a{color:var(--text);text-decoration:none}
nav .links{display:flex;gap:12px;flex-wrap:wrap}
nav .links a{padding:8px 12px;border:1px solid transparent;border-radius:12px}
nav .links a.active, nav .links a:hover{border-color:var(--accent);background:rgba(124,58,237,.08)}
header.hero{padding:56px 0;border-bottom:1px solid var(--border);background:linear-gradient(180deg, rgba(124,58,237,.08), transparent 70%)}
h1{font-size:40px;line-height:1.15;margin:0 0 12px}h2{font-size:28px;margin:28px 0 12px}
p.lead{color:var(--muted);font-size:18px;margin:0}
.card{background:var(--panel);border:1px solid var(--border);padding:20px;border-radius:16px;margin:18px 0}
footer{border-top:1px solid var(--border);color:var(--muted);padding:24px 0;margin-top:40px}
code, pre{background:#0f0f17;border:1px solid var(--border);padding:2px 6px;border-radius:8px}
ul{margin:0 0 0 20px}small{color:var(--muted)}