:root {
  --bg: #0b1020;
  --bg-soft: #121933;
  --surface: #161f3f;
  --text: #e7ecff;
  --muted: #9fb0e7;
  --brand: #7c5cff;
  --brand-soft: rgba(124, 92, 255, 0.2);
  --border: rgba(170, 186, 255, 0.22);
  --ok: #4ce3b3;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at 10% -20%, rgba(124, 92, 255, 0.3), transparent 45%),
    radial-gradient(circle at 90% 120%, rgba(76, 227, 179, 0.15), transparent 40%),
    var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: #9fc7ff;
}

a:hover {
  color: #c6ddff;
}

.page {
  width: min(980px, calc(100% - 2rem));
  margin: 2.5rem auto 3rem;
}

.hero {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface), var(--bg-soft));
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.badge {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.7rem;
}

h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  line-height: 1.2;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.nav {
  margin: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.nav a {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.42rem 0.75rem;
  background: rgba(255, 255, 255, 0.02);
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.06);
}

.card {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(18, 25, 51, 0.85);
  padding: 1.1rem 1.2rem;
}

h2 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
}

p,
li {
  color: #d8e1ff;
}

ul {
  margin: 0.3rem 0 0.4rem 1.25rem;
  padding: 0;
}

small,
.meta {
  color: var(--muted);
}

.kv {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 0.4rem 0.9rem;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
}

.notice {
  border-left: 3px solid var(--ok);
  padding-left: 0.8rem;
}

.footer {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 720px) {
  .kv {
    grid-template-columns: 1fr;
  }
}