:root {
    --ink: #171d1a;
    --muted: #5f6963;
    --paper: #f6f4ef;
    --card: #fffefb;
    --accent: #bf4b36;
    --accent-dark: #8f3224;
    --line: #dcd8cf;
    --soft: #ece8df;
    color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent-dark); text-underline-offset: .18em; }
a:hover { color: var(--accent); }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter: blur(12px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-size: 20px; font-weight: 800; letter-spacing: .16em; }
.brand img { display: block; border-radius: 11px; }
.main-menu ul { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.main-menu a { color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 650; }
.main-menu a:hover, .main-menu a[aria-current="page"] { color: var(--accent-dark); }
.menu-toggle { display: none; border: 1px solid var(--line); border-radius: 8px; background: var(--card); padding: 8px 12px; font: inherit; }
main { min-height: 65vh; padding: 56px 0 82px; }
.breadcrumbs { display: flex; gap: 9px; align-items: center; margin-bottom: 22px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--muted); }
.content-card { max-width: 860px; padding: clamp(28px, 5vw, 70px); border: 1px solid var(--line); border-radius: 24px; background: var(--card); box-shadow: 0 20px 60px rgba(23, 29, 26, .07); }
.eyebrow { margin: 0 0 12px; color: var(--accent-dark); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -.025em; }
h1 { max-width: 760px; margin: 0 0 28px; font-size: clamp(44px, 8vw, 78px); }
.prose h2 { margin: 58px 0 14px; font-size: clamp(28px, 4vw, 40px); }
.prose h3 { margin: 34px 0 10px; font-size: 23px; }
.prose p, .prose li { max-width: 74ch; }
.prose p { margin: 0 0 18px; }
.prose ul, .prose ol { padding-left: 1.35em; }
.prose a { font-weight: 700; }
.prose blockquote { margin: 30px 0; padding: 20px 24px; border-left: 4px solid var(--accent); background: var(--soft); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose > p:first-child { font-size: 21px; color: #323b36; }
.prose .cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 44px; }
.prose .cta-row a, .error-links a { display: inline-flex; border-radius: 999px; padding: 11px 18px; background: var(--accent-dark); color: white; text-decoration: none; }
.prose .cta-row a + a { background: var(--ink); }
.updated-notice { display: inline-block; margin: -10px 0 28px; padding: 8px 13px; border-radius: 8px; background: var(--soft); color: var(--muted); font-size: 14px; }
.site-footer { padding: 58px 0 28px; background: var(--ink); color: #d9dedb; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; }
.footer-grid h2 { margin: 0 0 12px; color: white; font-size: 18px; }
.footer-grid p { max-width: 45ch; }
.footer-grid ul { margin: 0; padding: 0; list-style: none; }
.footer-grid a { color: #d9dedb; }
.footer-bottom { display: flex; justify-content: space-between; gap: 32px; margin-top: 42px; padding-top: 22px; border-top: 1px solid #39423d; color: #aeb7b2; font-size: 13px; }
.footer-bottom p { max-width: 64ch; margin: 0; }
.error-page { width: min(760px, calc(100% - 40px)); margin: 12vh auto; }
.error-page h1 { margin-top: 22px; }
.error-page > p { max-width: 62ch; }
.error-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
@media (max-width: 900px) {
    .menu-toggle { display: block; }
    .main-menu { display: none; position: absolute; inset: 78px 20px auto; border: 1px solid var(--line); border-radius: 12px; background: var(--card); box-shadow: 0 16px 40px rgba(23,29,26,.12); }
    .main-menu.open { display: block; }
    .main-menu ul { display: block; padding: 10px; }
    .main-menu a { display: block; padding: 10px 12px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid section { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
    .shell { width: min(100% - 24px, 1120px); }
    main { padding-top: 30px; }
    .content-card { padding: 26px 20px 38px; border-radius: 16px; }
    h1 { font-size: 43px; }
    .prose h2 { margin-top: 44px; font-size: 30px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-grid section { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
}