:root {
  color-scheme: dark;
  --page: oklch(17% 0.035 262);
  --page-deep: oklch(13% 0.025 258);
  --surface: oklch(21% 0.037 262);
  --border: oklch(34% 0.055 255);
  --text: oklch(98% 0.006 255);
  --muted: oklch(77% 0.028 250);
  --quiet: oklch(64% 0.04 248);
  --accent: oklch(77% 0.14 235);
  --accent-strong: oklch(87% 0.10 225);
  --max-width: 1180px;
  --reading-width: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(circle at 78% 8%, rgba(24, 102, 168, 0.2), transparent 30rem), linear-gradient(180deg, var(--page) 0%, var(--page-deep) 100%);
  color: var(--text);
  font-family: Aptos, "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-strong); text-underline-offset: 0.2em; }
a:hover { color: var(--text); }
a:focus-visible { border-radius: 4px; outline: 3px solid var(--accent); outline-offset: 4px; }

.site-header,
.site-footer,
.home-main,
.policy-layout {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--border);
}

.brand { display: inline-flex; align-items: center; }
.brand img { display: block; width: 168px; height: auto; }
.site-header nav { display: flex; gap: 24px; }
.site-header nav a,
.site-footer a { color: var(--muted); font-size: 0.92rem; font-weight: 650; text-decoration: none; }

.home-main { padding: clamp(72px, 12vw, 154px) 0 96px; }
.hero { max-width: 870px; }
.eyebrow,
.policy-kicker { margin: 0 0 18px; color: var(--accent); font-size: 0.78rem; font-weight: 760; letter-spacing: 0.16em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin-top: 0; color: var(--text); line-height: 1.16; text-wrap: balance; }
h1 { max-width: 14ch; margin-bottom: 28px; font-size: clamp(2.75rem, 7.5vw, 6.6rem); font-weight: 730; letter-spacing: -0.055em; }
.hero-copy { max-width: 710px; margin: 0; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.38rem); line-height: 1.55; }
.availability { display: inline-flex; margin: 36px 0 0; border: 1px solid var(--border); border-radius: 999px; background: rgba(16, 33, 58, 0.72); padding: 10px 17px; color: var(--accent-strong); font-size: 0.88rem; font-weight: 720; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: clamp(88px, 13vw, 160px); border-top: 1px solid var(--border); }
.principles article { padding: 32px 30px 12px 0; }
.principles article + article { border-left: 1px solid var(--border); padding-left: 30px; }
.principle-number { margin: 0 0 42px; color: var(--quiet); font-size: 0.76rem; font-variant-numeric: tabular-nums; letter-spacing: 0.12em; }
.principles h2 { margin-bottom: 12px; font-size: 1.28rem; letter-spacing: -0.02em; }
.principles article > p:last-child { margin: 0; color: var(--muted); font-size: 0.96rem; }

.site-footer { display: flex; align-items: center; justify-content: space-between; min-height: 112px; border-top: 1px solid var(--border); color: var(--quiet); font-size: 0.88rem; }
.site-footer p { margin: 0; }

.policy-layout { display: grid; grid-template-columns: minmax(180px, 260px) minmax(0, var(--reading-width)); grid-template-areas: "nav intro" "nav summary" "nav content"; grid-template-rows: auto auto 1fr; column-gap: clamp(52px, 9vw, 116px); justify-content: center; padding: clamp(64px, 9vw, 112px) 0 128px; }
.policy-nav { grid-area: nav; position: sticky; top: 32px; align-self: start; }
.policy-nav p { margin: 0 0 16px; color: var(--quiet); font-size: 0.75rem; font-weight: 740; letter-spacing: 0.13em; text-transform: uppercase; }
.policy-nav ol { margin: 0; padding: 0; list-style: none; }
.policy-nav li + li { margin-top: 8px; }
.policy-nav a { color: var(--muted); font-size: 0.88rem; text-decoration: none; }
.policy-intro { grid-area: intro; min-width: 0; margin-bottom: 64px; padding-bottom: 42px; border-bottom: 1px solid var(--border); }
.policy-intro h1 { max-width: none; margin-bottom: 20px; font-size: clamp(2.7rem, 7vw, 5.7rem); }
.policy-deck { max-width: 660px; margin: 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); }
.effective-date { margin: 26px 0 0; color: var(--quiet); font-size: 0.9rem; }
.plain-summary { grid-area: summary; min-width: 0; margin-bottom: 68px; border: 1px solid var(--border); border-radius: 16px; background: color-mix(in oklch, var(--surface) 78%, transparent); padding: 25px 28px; }
.plain-summary h2 { margin-bottom: 10px; font-size: 1.15rem; }
.plain-summary p { margin: 0; color: var(--muted); }
.policy-content { grid-area: content; min-width: 0; }
.policy-section { scroll-margin-top: 32px; }
.policy-section + .policy-section { margin-top: 64px; padding-top: 64px; border-top: 1px solid var(--border); }
.policy-section h2 { margin-bottom: 22px; font-size: clamp(1.65rem, 3vw, 2.2rem); letter-spacing: -0.03em; }
.policy-section h3 { margin: 32px 0 10px; font-size: 1.05rem; }
.policy-section p,
.policy-section li { color: var(--muted); }
.policy-section p { margin: 0 0 18px; }
.policy-section ul { margin: 18px 0 0; padding-left: 1.25em; }
.policy-section li + li { margin-top: 12px; }
.policy-section strong { color: var(--text); }
.policy-section a { font-weight: 620; }
.contact-block { border: 1px solid var(--border); background: var(--surface); padding: 24px 26px; }
.contact-block p:last-child { margin-bottom: 0; }

@media (max-width: 820px) {
  .principles { grid-template-columns: 1fr; }
  .principles article { padding: 28px 0; }
  .principles article + article { border-top: 1px solid var(--border); border-left: 0; padding-left: 0; }
  .principle-number { margin-bottom: 24px; }
  .policy-layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intro" "summary" "nav" "content"; grid-template-rows: auto; row-gap: 0; width: min(calc(100% - 40px), var(--reading-width)); }
  .policy-intro { margin-bottom: 48px; }
  .plain-summary { margin-bottom: 36px; }
  .policy-nav { position: static; margin-bottom: 48px; border: 1px solid var(--border); padding: 20px; }
  .policy-nav ol { columns: 2; column-gap: 28px; }
  .policy-nav li { break-inside: avoid; }
  .policy-nav a { display: flex; min-height: 44px; align-items: center; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .site-header, .site-footer, .home-main, .policy-layout { width: min(calc(100% - 28px), var(--max-width)); }
  .site-header { min-height: 76px; }
  .brand img { width: 140px; }
  .home-main { padding-top: 70px; }
  h1 { font-size: clamp(2.65rem, 14vw, 4.6rem); }
  .policy-nav ol { columns: 1; }
  .plain-summary { padding: 21px 20px; }
  .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}