:root {
  --navy: #0b1f3a;
  --navy-2: #12305a;
  --ink: #111827;
  --muted: #4b5563;
  --bg: #ffffff;
  --surface: #f3f4f6;
  --accent: #1558c0;
  --accent-hover: #0f4496;
  --border: #d1d5db;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { background: var(--navy); }
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 2rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #fff;
  text-decoration: none;
}
.site-nav { display: flex; gap: 1.75rem; flex-wrap: wrap; }
.site-nav a {
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 500;
  font-size: .95rem;
  padding: .25rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: #fff; }
.site-nav a[aria-current="page"] { color: #fff; border-bottom-color: #3b82f6; }

/* Hero banners */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 6rem 0 5.5rem;
}
.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 0 0 1.1rem;
}
.hero .lead { font-size: 1.25rem; color: #cbd5e1; max-width: 36rem; margin: 0; }

.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 3.25rem 0;
}
.page-hero h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -.01em; }

/* Content */
main { flex: 1; }

.page { padding-top: 3.5rem; padding-bottom: 4rem; }
.page > * { max-width: 44rem; }
.page h2 { margin: 2.25rem 0 .5rem; font-size: 1.2rem; color: var(--navy); }
.page > p, .page li { font-size: 1.05rem; color: #1f2937; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: 4px;
  padding: 2rem;
  margin: 3rem 0;
  box-shadow: 0 1px 2px rgba(11, 31, 58, .06), 0 8px 24px rgba(11, 31, 58, .06);
}
.page .card { margin: 0 0 2rem; }
.card h2 { margin: 0 0 .5rem; font-size: 1.5rem; color: var(--navy); }
.card p { color: var(--muted); font-size: 1.05rem; }
.card p:last-child { margin-bottom: 0; }

.button {
  display: inline-block;
  padding: .75rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: .01em;
}
.button:hover { background: var(--accent-hover); color: #fff; }

.notice {
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  background: var(--surface);
  padding: .8rem 1rem;
  margin: 0 0 2rem;
  font-size: .95rem;
}

/* Footer */
.site-footer { background: var(--navy); color: #94a3b8; font-size: .9rem; }
.site-footer .wrap { padding-top: 2rem; padding-bottom: 2rem; }
.site-footer p { margin: .3rem 0; }
.site-footer a { color: #cbd5e1; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }