:root {
  color-scheme: light;
  --navy: #103d5c;
  --navy-deep: #0a2c43;
  --ink: #17384b;
  --muted: #5d7480;
  --line: #dce5e8;
  --paper: #f8faf9;
  --mint: #69b9a4;
  --soft: #eaf2f4;
  --warning-bg: #fff8e8;
  --warning-border: #d49a21;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body { min-height: 100%; margin: 0; color: var(--ink); background: radial-gradient(circle at 82% 8%, rgba(105,185,164,.10), transparent 28rem), var(--paper); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--navy); text-underline-offset: .2em; }
a:hover { color: var(--navy-deep); }
a:focus-visible, summary:focus-visible { outline: 3px solid rgba(16,61,92,.35); outline-offset: 4px; border-radius: 3px; }
.skip-link { position: fixed; z-index: 20; top: 12px; left: 12px; padding: 10px 14px; transform: translateY(-160%); color: #fff; background: var(--navy); border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }
.site-shell { width: min(100% - 40px, var(--max)); min-height: 100vh; margin: 0 auto; display: flex; flex-direction: column; }
.site-header { min-height: 104px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--navy); font-size: 2rem; font-weight: 800; letter-spacing: -.07em; line-height: 1; text-decoration: none; }
.brand span { color: var(--mint); }
.language-link { padding: 8px 10px; color: var(--muted); font-size: .84rem; font-weight: 700; text-decoration: none; border: 1px solid var(--line); border-radius: 999px; }
.hero { flex: 1; min-height: 62vh; display: grid; align-content: center; padding: 80px 0 120px; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 28px; color: #4f7080; font-size: .74rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow::before { width: 8px; height: 8px; content: ""; background: var(--mint); border-radius: 50%; box-shadow: 0 0 0 5px rgba(105,185,164,.16); }
.hero h1 { max-width: 980px; margin: 0; color: var(--navy); font-size: clamp(3rem,8vw,6.7rem); font-weight: 750; letter-spacing: -.065em; line-height: 1.02; }
.hero h1 span { color: #6f8f9d; }
.hero .lede { margin: 30px 0 0; color: var(--muted); font-size: clamp(1.1rem,2vw,1.4rem); }
.document { width: min(100%,820px); flex: 1; padding: 56px 0 96px; }
.breadcrumbs { margin: 0 0 40px; font-size: .88rem; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.document h1 { margin: 0 0 16px; color: var(--navy); font-size: clamp(2.4rem,6vw,4.4rem); letter-spacing: -.05em; line-height: 1.04; }
.document h2 { margin: 44px 0 12px; color: var(--navy); font-size: 1.3rem; letter-spacing: -.015em; }
.document h3 { margin: 26px 0 8px; color: var(--ink); font-size: 1.03rem; }
.document p, .document li, .document dd { color: #48616e; font-size: 1rem; line-height: 1.75; }
.document ul, .document ol { padding-left: 1.3rem; }
.document li + li { margin-top: .45rem; }
.updated { margin: 0 0 36px; color: var(--muted) !important; font-size: .82rem !important; }
.intro { color: #314f5f !important; font-size: 1.08rem !important; }
.notice { margin: 30px 0; padding: 18px 20px; background: var(--warning-bg); border-left: 4px solid var(--warning-border); border-radius: 8px; }
.notice strong { color: #75520c; }
.callout { margin: 30px 0; padding: 20px 22px; background: var(--soft); border-radius: 10px; }
.callout p:first-child, .notice p:first-child { margin-top: 0; }
.callout p:last-child, .notice p:last-child { margin-bottom: 0; }
.steps { counter-reset: step; list-style: none; padding: 0 !important; }
.steps li { position: relative; min-height: 40px; padding-left: 50px; }
.steps li::before { position: absolute; top: 0; left: 0; width: 32px; height: 32px; counter-increment: step; content: counter(step); display: grid; place-items: center; color: #fff; background: var(--navy); border-radius: 50%; font-size: .82rem; font-weight: 800; }
details { padding: 18px 0; border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { color: var(--navy); font-weight: 750; cursor: pointer; }
details p { margin-bottom: 0; }
.site-footer { padding: 24px 0 34px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); border-top: 1px solid var(--line); font-size: .78rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.footer-nav a { color: #5c7480; text-decoration: none; }
@media (max-width: 680px) { .site-shell { width: min(100% - 32px,var(--max)); } .site-header { min-height: 82px; } .hero { padding: 64px 0 96px; } .hero h1 { letter-spacing: -.055em; } .document { padding: 38px 0 72px; } .site-footer { flex-direction: column; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print { body { background: #fff; } .skip-link,.site-header,.site-footer,.breadcrumbs { display: none; } .document { width: 100%; padding: 0; } .notice,.callout { border: 1px solid #999; } }