:root { color-scheme: light; font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #f5f5f5; color: #1b1b1b; line-height: 1.7; }
a { color: #115e4b; text-underline-offset: 3px; }
a:hover { color: #064633; }
a:focus-visible { outline: 3px solid #0d7855; outline-offset: 4px; }
.skip-link { position: absolute; left: -1000px; top: 0; padding: .6rem 1rem; background: white; z-index: 2; }
.skip-link:focus { left: 1rem; }
.site-header { background: #f5f5f5; border-bottom: 1px solid #ddd; }
.site-header-inner, .site-footer-inner { max-width: 70rem; margin: auto; padding: 1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.brand { color: #111; font-size: 1.45rem; font-weight: 650; letter-spacing: -.04em; text-decoration: none; }
.site-nav, .footer-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; }
.site-nav a, .footer-nav a { color: #424242; text-decoration: none; }
.site-nav a:hover, .footer-nav a:hover { color: #111; text-decoration: underline; }
main { max-width: 70rem; margin: 0 auto; padding: 3.5rem 1.5rem 5rem; }
.eyebrow { margin: 0 0 .7rem; color: #366454; font-size: .78rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(2.5rem, 7vw, 4.25rem); line-height: 1.1; letter-spacing: -.055em; }
.lede { max-width: 49rem; margin: 1.2rem 0 0; color: #4c4c4c; font-size: 1.08rem; }
.updated { margin: 1rem 0 2.25rem; color: #666; font-size: .9rem; }
.document { max-width: 54rem; padding: clamp(1.5rem, 5vw, 3rem); background: #fff; border: 1px solid #e3e3e3; border-radius: 1.3rem; }
section + section { border-top: 1px solid #e9e9e9; margin-top: 2rem; padding-top: 1.8rem; }
h2 { margin: 0 0 .8rem; font-size: 1.35rem; line-height: 1.3; letter-spacing: -.025em; }
h3 { margin: 1.2rem 0 .3rem; font-size: 1rem; }
p { margin: .6rem 0 1rem; }
ul { margin: .55rem 0 1rem; padding-left: 1.4rem; }
li + li { margin-top: .45rem; }
.callout { background: #eff8f3; border: 1px solid #c7e7d5; border-radius: .9rem; padding: 1.1rem 1.35rem; }
.callout h2 { margin-top: 0; }
.site-footer { background: #111; color: #d0d0d0; }
.site-footer-inner { padding-top: 1.5rem; padding-bottom: 1.5rem; font-size: .86rem; }
.footer-nav a { color: #e5e5e5; }
@media (max-width: 640px) { main { padding-top: 2.5rem; } .site-header-inner { align-items: flex-start; } }