:root { --bg:#05070A; --card:#101318; --text:#fff; --muted:rgba(255,255,255,.62); --mint:#2EE6A6; --line:rgba(255,255,255,.1); }
* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin:0; background:var(--bg); color:var(--text); font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; -webkit-font-smoothing:antialiased; }
body::before { content:""; position:fixed; inset:0 0 auto 0; height:420px; background:radial-gradient(60% 100% at 50% 0%, rgba(46,230,166,.22), transparent 70%); pointer-events:none; }
main { position:relative; max-width:680px; margin:0 auto; padding:56px 20px 80px; }
.brand { font-weight:800; letter-spacing:-.02em; font-size:15px; color:var(--mint); text-transform:uppercase; }
h1 { font-size:clamp(34px,7vw,52px); line-height:1.05; letter-spacing:-.03em; margin:14px 0 16px; }
h2 { font-size:20px; letter-spacing:-.01em; margin:40px 0 8px; }
p, li { color:var(--muted); }
strong { color:var(--text); }
a { color:var(--mint); }
ul { padding-left:20px; }
.lead { font-size:18px; color:rgba(255,255,255,.8); max-width:34em; }
.card { background:var(--card); border:1px solid var(--line); border-radius:24px; padding:20px 22px; margin:28px 0; }
.card p { margin:0; }
nav { margin-top:56px; font-size:14px; }
nav a { margin-right:18px; }
small { color:var(--muted); }