:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #172c39; background: #f7f9f6; line-height: 1.7; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { max-width: 960px; margin: auto; padding: 24px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #d5dfd7; }
a { color: #175947; text-underline-offset: 4px; overflow-wrap: anywhere; }
a:hover { color: #103d31; }
a:focus-visible { outline: 3px solid #175947; outline-offset: 4px; }
.brand { font-size: 24px; font-weight: 800; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
main { padding-top: 64px; padding-bottom: 64px; }
h1 { font-size: clamp(36px, 7vw, 68px); line-height: 1.1; letter-spacing: -.035em; margin: 16px 0 24px; }
h2 { font-size: 23px; line-height: 1.3; margin-top: 32px; }
.eyebrow { color: #175947; font-size: 13px; letter-spacing: .14em; font-weight: 700; }
.intro { font-size: 21px; max-width: 680px; }
section { margin-top: 32px; padding: 8px 24px 16px; background: #fff; border: 1px solid #d5dfd7; border-radius: 12px; }
.document { max-width: 800px; }
.document h1 { font-size: clamp(32px, 6vw, 48px); }
.muted, footer { color: #50605b; }
footer { border-top: 1px solid #d5dfd7; font-size: 14px; }
@media (max-width: 560px) { header { align-items: flex-start; flex-direction: column; } main { padding-top: 32px; } }