:root { --fg: #1d1d1f; --muted: #6e6e73; --brand: #203376; --bg: #ffffff; --line: #e5e5ea; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root { --fg: #f5f5f7; --muted: #a1a1a6; --brand: #8fa6f0; --bg: #1c1c1e; --line: #2c2c2e; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; color: var(--fg); background: var(--bg); }
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
header a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 20px; }
.logo { width: 40px; height: 33px; background: var(--brand); -webkit-mask: url(logo.png) center / contain no-repeat; mask: url(logo.png) center / contain no-repeat; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
a { color: var(--brand); }
.muted { color: var(--muted); }
.button { display: inline-block; margin-top: 16px; padding: 10px 18px; border-radius: 8px; background: var(--brand); color: var(--bg); text-decoration: none; font-weight: 600; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; display: flex; gap: 16px; flex-wrap: wrap; }
ul { padding-left: 20px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0 0; }