:root {
  color-scheme: light;
  --bg: #f6f8fa;
  --surface: #ffffff;
  --ink: #111827;
  --muted: #5f6b7a;
  --line: #d9e2ec;
  --accent: #087fa8;
  --accent-dark: #066383;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--ink);
}

body {
  margin: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

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

.nav {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: grid;
  gap: 2px;
}

.brand strong {
  font-size: 20px;
  letter-spacing: 0;
}

.brand span {
  color: var(--muted);
  font-size: 14px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.container {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 56px;
}

.hero {
  padding: 0 0 22px;
}

.eyebrow {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 10px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  margin: 36px 0 12px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: 0;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 16px;
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 720px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.document {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(22px, 5vw, 44px);
}

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.notice {
  background: #edf8fb;
  border: 1px solid #b9e2ee;
  border-radius: 8px;
  padding: 14px 16px;
  color: #134e63;
  margin: 22px 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 24px 0;
  background: var(--surface);
}

.site-footer .container {
  padding: 0;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }
}