:root { --bg: #ffffff; --text: #1d1d1f; --muted: #6e6e73; --accent: #0e8fb3; }
@media (prefers-color-scheme: dark) { :root { --bg: #070a18; --text: #f5f5f7; --muted: #a1a1a6; --accent: #22d3ee; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 28px; margin-bottom: 4px; }
h2 { font-size: 19px; margin-top: 32px; }
.muted { color: var(--muted); }
a { color: var(--accent); }
.hero { text-align: center; padding-top: 72px; }
.icon { border-radius: 26px; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3); }
.lead { font-size: 18px; color: var(--muted); }
.button { display: inline-block; margin-top: 8px; padding: 12px 24px; border-radius: 999px; background: var(--accent); color: #fff; font-weight: 600; text-decoration: none; }