:root {
  --ink: #1a2530;
  --muted: #5b6b7a;
  --line: #e2e6ea;
  --accent: #1f5a7a;
  --accent-dark: #163f57;
  --bg: #ffffff;
  --bg-soft: #f6f8f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--accent);
}

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 20px;
}

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

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  height: 64px;
  width: auto;
  display: block;
}

nav.site a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.95rem;
}

nav.site a:hover,
nav.site a:focus {
  color: var(--accent);
}

main {
  padding: 48px 0 56px;
}

h1 {
  font-size: 1.7rem;
  margin: 0 0 14px;
}

h2 {
  font-size: 1.15rem;
  margin: 32px 0 10px;
}

p {
  margin: 0 0 14px;
}

.lede {
  font-size: 1.05rem;
  color: var(--muted);
}

.callout {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
  margin: 28px 0;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn:hover,
.btn:focus {
  background: var(--accent-dark);
  color: #fff;
}

ul {
  padding-left: 22px;
}

li {
  margin-bottom: 8px;
}

footer.site {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.9rem;
}

footer.site .wrap {
  padding: 24px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

footer.site a {
  color: var(--muted);
}

.legal-updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

@media (max-width: 560px) {
  nav.site a {
    margin-left: 0;
    margin-right: 16px;
  }
}