:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #20242b; background: #fff; line-height: 1.65; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 760px; margin: 0 auto; padding: 48px 24px; }
h1, h2 { color: #111827; line-height: 1.2; letter-spacing: -.025em; }
h1 { font-size: clamp(2rem, 5vw, 2.75rem); margin: 20px 0; }
h2 { font-size: 1.2rem; margin: 32px 0 12px; }
p { margin: 12px 0; }
li { margin: 8px 0; }
a { color: #1554b3; text-underline-offset: 3px; }
a:hover { color: #103e82; }
a:focus-visible { outline: 3px solid #1554b3; outline-offset: 4px; border-radius: 2px; }
.intro { font-size: 1.15rem; }
.eyebrow { color: #536073; font-size: .8rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.muted, footer { color: #596273; }
nav { font-size: .9rem; }
footer { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 40px; padding-top: 20px; border-top: 1px solid #dce1e7; font-size: .85rem; }
@media (max-width: 480px) { main { padding: 28px 20px; } ul { padding-left: 22px; } }