:root {
  --bg: #0b1020;
  --panel: #121933;
  --text: #e8ecf8;
  --muted: #a9b4d0;
  --link: #8ab4ff;
  --border: #253056;
  --accent: #dbe7ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #0b1020 0%, #11182f 100%);
  color: var(--text);
  line-height: 1.6;
}
.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}
header { margin-bottom: 28px; }
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 8px;
}
nav a {
  color: var(--link);
  text-decoration: none;
}
nav a:hover { text-decoration: underline; }
.card {
  background: rgba(18, 25, 51, 0.92);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin: 18px 0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
}
h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--accent);
}
h1 { font-size: 2.2rem; }
h2 { font-size: 1.4rem; margin-top: 10px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
.small { font-size: 0.95rem; }
ul { padding-left: 22px; }
footer {
  margin-top: 26px;
  color: var(--muted);
  font-size: 0.95rem;
}