:root { --bg:#0d1117; --fg:#e6edf3; --muted:#8b949e; --accent:#4f8ef7; --card:#161b22; }
* { box-sizing:border-box; }
body { margin:0; font-family:system-ui,-apple-system,'Segoe UI',sans-serif; background:var(--bg); color:var(--fg); line-height:1.6; }
header { display:flex; justify-content:space-between; align-items:center; padding:16px 5vw; border-bottom:1px solid #21262d; position:sticky; top:0; background:var(--bg); }
.logo { font-weight:800; font-size:1.3rem; color:var(--accent); }
nav a { color:var(--muted); text-decoration:none; margin-left:20px; }
nav a:hover { color:var(--fg); }
section { padding:48px 5vw; max-width:900px; margin:0 auto; }
h1 { font-size:2.1rem; line-height:1.25; }
h2 { font-size:1.5rem; margin-top:0; }
.sub { font-size:1.15rem; color:var(--muted); }
.btn { display:inline-block; background:var(--accent); color:#fff; padding:12px 28px; border-radius:8px; text-decoration:none; font-weight:600; }
.muted { color:var(--muted); font-size:.95rem; }
pre { background:#0a0d12; border:1px solid #21262d; padding:16px; border-radius:8px; overflow-x:auto; font-size:.85rem; }
code { background:#0a0d12; padding:2px 6px; border-radius:4px; font-size:.9em; }
form label { display:block; margin-bottom:14px; }
input, textarea { width:100%; background:#0a0d12; border:1px solid #30363d; color:var(--fg); padding:10px 12px; border-radius:6px; font:inherit; }
input:focus, textarea:focus { outline:2px solid var(--accent); border-color:transparent; }
button { background:var(--accent); color:#fff; border:0; padding:12px 28px; border-radius:6px; font:inherit; font-weight:600; cursor:pointer; }
.plans { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; }
.plan { background:var(--card); border:1px solid #21262d; border-radius:10px; padding:24px; }
.plan.featured { border-color:var(--accent); }
.plan h3 { margin:0; }
.price { font-size:1.8rem; font-weight:800; margin:8px 0; }
.plan ul { padding-left:18px; color:var(--muted); }
footer { border-top:1px solid #21262d; padding:24px 5vw; color:var(--muted); font-size:.9rem; }