:root { color-scheme: light; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; color: #192f3d; background: #f5f7f9; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { max-width: 900px; margin: auto; padding: 28px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid #dce3e8; }
a { color: #145e80; text-underline-offset: 4px; }
.brand { font-weight: 750; font-size: 20px; text-decoration: none; color: #192f3d; }
main { padding-top: 54px; padding-bottom: 54px; }
h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.15; max-width: 760px; margin: 12px 0 24px; letter-spacing: -0.025em; }
h2 { font-size: 23px; margin: 0 0 12px; }
p, li { font-size: 17px; line-height: 1.7; }
.lead { font-size: 21px; line-height: 1.65; }
.eyebrow, .date { color: #536875; font-size: 14px; }
section { margin-top: 36px; }
li { padding: 4px 0; }
code { font-size: 0.94em; background: #e7eef3; padding: 2px 5px; border-radius: 4px; }
.button { display: inline-block; margin-top: 18px; padding: 12px 20px; background: #145e80; border-radius: 8px; color: white; text-decoration: none; }
footer { border-top: 1px solid #dce3e8; color: #536875; font-size: 14px; }
a:focus-visible { outline: 3px solid #bb7410; outline-offset: 5px; }
@media (max-width: 560px) { header { align-items: flex-start; flex-direction: column; gap: 12px; } header, main, footer { padding-left: 20px; padding-right: 20px; } main { padding-top: 32px; } }