html { color-scheme: light; background: #f7f8fa; color: #172334; font-family: system-ui, sans-serif; }
body { max-width: 48rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
nav { margin-bottom: 2rem; font-size: .95rem; }
main { background: white; border: 1px solid #dce2e8; border-radius: .5rem; padding: 1.5rem; }
h1 { font-size: 2rem; line-height: 1.2; margin-top: 0; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
p { line-height: 1.65; overflow-wrap: anywhere; }
a { color: #164f9b; text-underline-offset: .15em; }
a:focus-visible { outline: 3px solid #164f9b; outline-offset: 3px; }
@media (max-width: 480px) { body { padding: 1rem .75rem 2rem; } main { padding: 1rem; } h1 { font-size: 1.6rem; } }