:root {
  color-scheme: light;
  --ink: #172332;
  --muted: #536476;
  --blue: #246b8f;
  --blue-dark: #174b67;
  --pale: #edf6fa;
  --line: #d8e4ea;
  --paper: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--blue-dark); }

.site-header,
main,
footer {
  width: min(100% - 2rem, 960px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 750;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}

main { padding-block: 4rem; }

.hero {
  max-width: 760px;
  padding-block: 2rem 4rem;
}

.eyebrow,
.status {
  color: var(--blue);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: .25rem 0 1rem;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: 1.06;
  letter-spacing: -.04em;
}

h2 {
  margin-top: 2.2rem;
  line-height: 1.2;
}

.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.2rem;
}

.card,
.notice {
  margin-block: 2rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.card { background: var(--pale); }
.notice { border-left: 5px solid var(--blue); }
.card h2, .notice h2 { margin-top: 0; }

.policy {
  max-width: 760px;
}

.policy h1 {
  font-size: clamp(2.3rem, 6vw, 4rem);
}

.policy p { color: var(--muted); }

footer {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.5rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: .4rem;
    padding-block: .8rem;
  }

  main { padding-block: 2rem; }
  .hero { padding-block: 1rem 2rem; }
}