:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #172b39; background: #f6f8fa; }
* { box-sizing: border-box; }
body { margin: 0; padding: 64px 24px; line-height: 1.7; }
main { max-width: 720px; margin: 0 auto; padding: 40px; background: white; border: 1px solid #e1e7eb; border-radius: 12px; }
.brand { font-size: 14px; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; color: #526674; }
h1 { font-size: clamp(28px, 5vw, 38px); line-height: 1.2; margin: 20px 0; letter-spacing: -.025em; }
.updated { font-size: 14px; color: #526674; }
a { color: #175c85; text-underline-offset: 4px; }
a:focus-visible { outline: 2px solid #175c85; outline-offset: 4px; }
nav { border-top: 1px solid #e1e7eb; margin-top: 32px; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; }
@media (max-width: 480px) { body { padding: 24px 16px; } main { padding: 28px 24px; } }