:root { --bg:#09090D; --surface:#19191F; --text:#F5F3FA; --muted:#AAA6B8; --purple:#AE8BFA; --green:#C5F7AD; --border:rgba(255,255,255,.08); }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text); font:16px/1.65 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
.mark { width:44px; height:44px; border-radius:14px; display:grid; place-items:center; font-weight:600; font-size:20px; color:#161020; background:linear-gradient(145deg,#C5F7AD,#AE8BFA); }
.eyebrow { color:var(--green); font-size:12px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; margin:24px 0 6px; }
h1 { font-size:32px; line-height:1.15; letter-spacing:-.03em; margin:0 0 8px; }
h2 { font-size:20px; margin:36px 0 8px; }
p, li { color:var(--muted); }
strong { color:var(--text); font-weight:600; }
a { color:var(--purple); }
.card { background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:18px 20px; margin:16px 0; }
nav { display:flex; gap:20px; margin-top:28px; flex-wrap:wrap; }
footer { margin-top:56px; color:var(--muted); font-size:14px; }
.card > :first-child { margin-top: 0; } .card > :last-child { margin-bottom: 0; }