:root { color-scheme: light; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: #19252a; background: #f5f7f6; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 780px; margin: 48px auto; padding: 42px; background: #fff; border: 1px solid #dce3df; border-radius: 12px; }
h1 { margin: 12px 0 24px; font-size: clamp(2rem, 6vw, 3rem); line-height: 1.12; letter-spacing: -.035em; }
h2 { margin: 32px 0 12px; font-size: 1.2rem; line-height: 1.35; }
p { font-size: 1rem; line-height: 1.7; margin: 0 0 16px; }
.intro { font-size: 1.2rem; color: #32494e; }
.eyebrow, .updated { color: #52656a; font-size: .88rem; }
.eyebrow { font-weight: 650; }
a { color: #146658; text-underline-offset: 3px; }
a:hover { color: #0b463d; }
a:focus-visible { outline: 3px solid #d5a12a; outline-offset: 4px; }
code { font-size: .87em; overflow-wrap: anywhere; }
footer { margin-top: 40px; padding-top: 22px; border-top: 1px solid #dce3df; }
nav { display: flex; flex-wrap: wrap; gap: 12px 22px; font-size: .92rem; }
@media (max-width: 620px) { main { margin: 16px; padding: 26px 22px; } }