:root { color-scheme: light; font-family: system-ui, sans-serif; color: #183348; background: #f4f7fa; }
body { margin: 0; }
header { padding: 1.25rem max(1.5rem, calc((100vw - 68rem) / 2)); background: #fff; border-bottom: 1px solid #dce5ea; }
.brand { color: #183348; font-weight: 700; text-decoration: none; }
main { max-width: 68rem; margin: 5rem auto; padding: 0 1.5rem; }
.eyebrow { color: #087e83; font-size: .875rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); line-height: 1.1; }
.intro { max-width: 42rem; font-size: 1.25rem; line-height: 1.6; }
a { color: #087e83; }