:root {
  color-scheme: light;
  --ink: #17171b;
  --muted: #66666f;
  --line: #dcdce2;
  --paper: #f7f7f9;
  --accent: #1769e0;
  --content: 760px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0;
}

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

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

.site-header,
footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1040px;
  padding: 24px;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.hero,
.document {
  margin: 0 auto;
  max-width: var(--content);
  padding: 72px 24px 96px;
}

.hero {
  min-height: 70vh;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.08;
  margin: 0 0 24px;
}

.document h1 {
  font-size: clamp(34px, 6vw, 52px);
}

h2 {
  font-size: 24px;
  line-height: 1.35;
  margin: 52px 0 14px;
}

p,
li {
  font-size: 17px;
  line-height: 1.85;
}

.lead {
  color: var(--muted);
  font-size: 21px;
  max-width: 640px;
}

.updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 42px;
}

.actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 36px;
}

.primary {
  background: var(--ink);
  border-radius: 6px;
  color: #fff;
  display: inline-block;
  font-weight: 600;
  padding: 12px 16px;
  text-decoration: none;
}

.english {
  border-top: 1px solid var(--line);
  margin-top: 72px;
  padding-top: 48px;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 72px 0;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 560px) {
  .site-header,
  footer {
    padding: 18px;
  }

  nav {
    gap: 12px;
  }

  .hero,
  .document {
    padding: 48px 18px 72px;
  }

  p,
  li {
    font-size: 16px;
  }
}