:root {
  --primary: #2457d6;
  --primary-dark: #173fa8;
  --text: #182230;
  --muted: #5c6678;
  --border: #dce2ec;
  --surface: #f5f7fb;
  --white: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.7;
}
header {
  background: linear-gradient(135deg, #173fa8, #3676f6);
  color: var(--white);
  padding: 46px 20px 38px;
  text-align: center;
}
header h1 { margin: 0 0 8px; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.2; }
header p { max-width: 760px; margin: 0 auto; opacity: .94; }
nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 3px 14px rgba(20,35,70,.06);
}
nav a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 650;
  padding: 8px 13px;
  border-radius: 8px;
}
nav a:hover, nav a:focus, nav a[aria-current="page"] { background: #eaf0ff; outline: none; }
main { width: min(960px, calc(100% - 32px)); margin: 28px auto 56px; }
section, .card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: clamp(20px, 4vw, 36px);
  margin: 24px 0;
  box-shadow: 0 8px 26px rgba(25, 42, 75, .04);
}
section h2, .card h2 { margin-top: 0; font-size: clamp(1.55rem, 3vw, 2rem); }
h3 { margin: 26px 0 8px; font-size: 1.12rem; }
p { margin: 9px 0 14px; }
ul, ol { padding-left: 24px; }
li { margin: 5px 0; }
.meta { color: var(--muted); font-size: .92rem; }
.placeholder { color: #8a4b00; font-weight: 650; }
a { color: var(--primary); }
.cards { display: grid; gap: 16px; }
.cards a.card {
  display: block;
  margin: 0;
  color: inherit;
  text-decoration: none;
}
.cards a.card:hover { border-color: #b9c9f5; }
.cards h2 { font-size: 1.35rem; margin-bottom: 6px; }
.cards p { margin: 0; color: var(--muted); }
.contact-card {
  background: #f3f6ff;
  border: 1px solid #d9e3ff;
  border-radius: 12px;
  padding: 16px;
  margin-top: 14px;
}
footer {
  text-align: center;
  padding: 26px 18px 36px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--white);
}
footer a { margin: 0 8px; white-space: nowrap; }
@media (max-width: 600px) {
  nav { justify-content: stretch; }
  nav a { flex: 1 1 40%; text-align: center; }
  section, .card { border-radius: 12px; }
}