:root { color-scheme: light dark; --bg: #f5f8fa; --surface: #fff; --text: #172a3a; --muted: #435a6b; --line: #c8d7df; --link: #00627a; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.7 "Century Gothic", system-ui, sans-serif; }
a { color: var(--link); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #008ba3; outline-offset: 5px; border-radius: 3px; }
header, main, footer { max-width: 1120px; margin: auto; padding: 28px 36px; }
header { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 14px; font-size: 25px; font-weight: 800; text-decoration: none; color: var(--text); }
.brand img { display: block; }
nav { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; }
main { max-width: 960px; padding-top: 48px; padding-bottom: 64px; }
.eyebrow { color: var(--link); font-weight: 700; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.17; letter-spacing: -.03em; margin: 16px 0; }
h2 { font-size: clamp(22px, 3vw, 27px); line-height: 1.3; margin-top: 0; }
.lead { font-size: 20px; }
.updated { color: var(--muted); font-size: 13px; }
section { background: var(--surface); border: 1px solid var(--line); padding: 28px; margin-top: 26px; border-radius: 14px; }
section p:last-child { margin-bottom: 0; }
li { margin-bottom: 12px; }
.notice { border-left: 4px solid #008ba3; background: var(--surface); padding: 18px 22px; border-radius: 4px; }
footer { border-top: 1px solid var(--line); font-size: 14px; }
.skip { position: absolute; left: 12px; top: -100px; padding: 10px; background: var(--surface); }
.skip:focus { top: 8px; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #07141f; --surface: #102231; --text: #e9f3fa; --muted: #b0c4d2; --line: #294554; --link: #5fe1e9; }
}
@media (max-width: 600px) {
  header, main, footer { padding: 24px 18px; }
  section { padding: 22px 18px; }
  .lead { font-size: 18px; }
  nav { gap: 12px 18px; }
}
@media print {
  :root { --bg: white; --surface: white; --text: black; --muted: #333; --line: #aaa; --link: #222; }
  header nav, .skip { display: none; }
  section { break-inside: avoid; }
}