:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: #f5f5f7;
  color: #1d1d1f;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body { margin: 0; min-height: 100vh; background: #f5f5f7; }

a { color: #1556c0; text-underline-offset: 0.18em; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 58px;
  padding: 10px max(20px, calc((100vw - 820px) / 2));
  border-bottom: 1px solid rgba(0,0,0,.09);
  background: rgba(245,245,247,.86);
  backdrop-filter: saturate(180%) blur(18px);
}

.brand { color: inherit; font-size: 15px; font-weight: 700; text-decoration: none; }
.site-header nav { display: flex; gap: 18px; }
.site-header nav a { color: #515154; font-size: 14px; font-weight: 600; text-decoration: none; }
.site-header nav a[aria-current="page"] { color: #1d1d1f; }

main { width: min(100% - 40px, 760px); margin: 0 auto; padding: 72px 0 84px; }
.document-head { padding-bottom: 34px; border-bottom: 1px solid #d2d2d7; }
.eyebrow { margin: 0 0 12px; color: #1556c0; font-size: 13px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
h1 { max-width: 680px; margin: 0; font-size: clamp(38px, 7vw, 64px); line-height: .98; letter-spacing: -.045em; }
.date { margin: 20px 0 0; color: #6e6e73; font-size: 14px; }
.languages { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.languages a { padding: 7px 11px; border: 1px solid #d2d2d7; border-radius: 999px; color: #515154; font-size: 13px; font-weight: 650; text-decoration: none; }
.languages a[aria-current="page"] { border-color: #1d1d1f; background: #1d1d1f; color: white; }
article { padding-top: 12px; }
section { padding: 32px 0 4px; }
h2 { margin: 0 0 13px; font-size: 22px; line-height: 1.2; letter-spacing: -.02em; }
p, li { font-size: 16px; line-height: 1.62; }
p { margin: 0 0 14px; }
ul { margin: 0; padding-left: 22px; }
li + li { margin-top: 8px; }
.links { display: grid; gap: 10px; margin-top: 20px; }
.links a { display: flex; justify-content: space-between; gap: 16px; padding: 14px 16px; border: 1px solid #d2d2d7; border-radius: 14px; background: #fff; font-weight: 650; text-decoration: none; }
.policy-cards { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin: 28px 0; }
.policy-cards a { display: flex; justify-content: space-between; align-items: center; min-height: 112px; padding: 22px; border: 1px solid #d2d2d7; border-radius: 22px; background: white; color: #1d1d1f; text-decoration: none; }
footer { width: min(100% - 40px, 760px); margin: 0 auto; padding: 0 0 36px; color: #6e6e73; font-size: 13px; }

@media (max-width: 640px) {
  .site-header { align-items: flex-start; padding-top: 13px; padding-bottom: 13px; }
  .site-header nav { gap: 12px; }
  .site-header nav a { font-size: 13px; }
  main { width: min(100% - 32px, 760px); padding-top: 46px; }
  .policy-cards { grid-template-columns: 1fr; }
}

@media (prefers-color-scheme: dark) {
  :root, body { background: #101113; color: #f5f5f7; }
  .site-header { border-color: rgba(255,255,255,.13); background: rgba(16,17,19,.84); }
  .site-header nav a { color: #a1a1a6; }
  .site-header nav a[aria-current="page"] { color: #f5f5f7; }
  .document-head { border-color: #3a3a3c; }
  .date { color: #a1a1a6; }
  .languages a { border-color: #48484a; color: #d1d1d6; }
  .languages a[aria-current="page"] { border-color: #f5f5f7; background: #f5f5f7; color: #1d1d1f; }
  .links a, .policy-cards a { border-color: #3a3a3c; background: #1c1c1e; color: #f5f5f7; }
  footer { color: #a1a1a6; }
}