:root {
  --bg: #0b1020;
  --bg-2: #141a2a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #7c8cff;
  --border: rgba(138, 162, 216, 0.35);
  --max-w: 720px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #042c53 0%, var(--bg) 100%);
  padding: 1.25rem 1rem 1rem;
  text-align: center;
}

.site-header h1 {
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  font-weight: 800;
}

.site-header p {
  margin-top: 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: #85b7eb;
  text-transform: uppercase;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  font-size: 0.88rem;
}

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

main h2 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.75rem;
  color: #c7d2fe;
}

main h2:first-child {
  margin-top: 0;
}

main p,
main li {
  margin-bottom: 0.75rem;
  color: var(--text);
}

main ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.02rem;
  color: #d1d5db;
}

.cta {
  display: inline-block;
  margin: 1rem 0;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  background: linear-gradient(135deg, #5b6f98, var(--accent));
  color: #fff !important;
  font-weight: 700;
  text-decoration: none !important;
}

.cta:hover {
  filter: brightness(1.08);
}

.note {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(20, 26, 42, 0.85);
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 1rem 2rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer nav {
  border: none;
  background: transparent;
  padding: 0 0 0.75rem;
}

@media (max-width: 480px) {
  .site-header h1 {
    font-size: 1.15rem;
  }
}