:root { color-scheme: light; font-family: system-ui, sans-serif; color: #242722; background: #fafaf9; font-size: 16px; line-height: 1.7; }
main { max-width: 850px; margin: 48px auto; padding: 0 24px; }
a { color: #45553c; text-underline-offset: 3px; overflow-wrap: anywhere; }
nav { margin-bottom: 48px; }
h1 { font-size: 2.5rem; line-height: 1.2; } h2 { margin-top: 48px; } h3 { margin-top: 32px; }
li { margin-bottom: 12px; } section { scroll-margin-top: 24px; }
@media print { nav { display: none; } main { margin: 0; padding: 0; } h2, h3 { break-after: avoid; } }