:root { --ink: #0f1a33; --muted: #5b6475; --bg: #ffffff; --accent: #2f6bff; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--accent); }
.brand { font-weight: 700; letter-spacing: .02em; }
.brand a { color: inherit; text-decoration: none; }
.hero { max-width: 720px; margin: 0 auto; padding: 72px 20px 48px; }
.hero h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.15; margin: 16px 0; }
.lead { font-size: 19px; }
.button { display: inline-block; background: var(--ink); color: #fff; padding: 14px 24px; border-radius: 999px; text-decoration: none; font-weight: 600; margin: 16px 0; }
.muted { color: var(--muted); font-size: 15px; }
.doc { max-width: 760px; margin: 0 auto; padding: 48px 20px 64px; }
.doc h2 { font-size: 20px; margin-top: 32px; }
footer { max-width: 720px; margin: 0 auto; padding: 24px 20px 48px; color: var(--muted); font-size: 14px; border-top: 1px solid #e6e9ef; }