:root {
  color-scheme: light;
  --ink: #17233a;
  --muted: #5f6b7d;
  --line: #dbe3ee;
  --paper: #ffffff;
  --wash: #f3f7fb;
  --brand: #145da0;
  --brand-deep: #0b3766;
  --accent: #2f9e7d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

a { color: var(--brand); }
a:hover { color: var(--brand-deep); }

.topbar {
  background: linear-gradient(120deg, var(--brand-deep), var(--brand));
  color: white;
}

.topbar-inner,
.page,
.footer-inner {
  width: min(100% - 2rem, 940px);
  margin-inline: auto;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  color: white;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .04em;
  font-size: 1.35rem;
}

.brand small {
  display: block;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .02em;
  opacity: .82;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 650;
}

nav a:hover { color: white; text-decoration: underline; }

.page { padding: 3rem 0 4rem; }

.document {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(23, 35, 58, .08);
  padding: clamp(1.35rem, 4vw, 3.4rem);
}

.eyebrow {
  color: var(--accent);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.2; color: var(--brand-deep); }
h1 { margin: .35rem 0 .75rem; font-size: clamp(2rem, 5vw, 3.35rem); }
h2 { margin-top: 2.2rem; font-size: 1.35rem; }

.lead { color: var(--muted); font-size: 1.08rem; max-width: 70ch; }
.updated { color: var(--muted); font-size: .9rem; }

.notice {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: #edf8f4;
  border-radius: 0 10px 10px 0;
}

ul, ol { padding-left: 1.35rem; }
li + li { margin-top: .4rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.card {
  display: block;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 13px;
  text-decoration: none;
  color: var(--ink);
  background: white;
}

.card strong { display: block; color: var(--brand-deep); margin-bottom: .35rem; }
.card span { color: var(--muted); font-size: .92rem; }
.card:hover { border-color: var(--brand); color: var(--ink); transform: translateY(-1px); }

footer { border-top: 1px solid var(--line); background: white; }
.footer-inner { padding: 1.4rem 0; color: var(--muted); font-size: .9rem; }

@media (max-width: 720px) {
  .topbar-inner { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  nav { gap: .5rem 1rem; }
  .cards { grid-template-columns: 1fr; }
  .page { padding-top: 1.5rem; }
}