:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --line: #dbe3ee;
  --accent: #6366f1;
  --accent-soft: #eef2ff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top, #eef2ff 0%, var(--bg) 45%, #e9eef7 100%);
  color: var(--text);
}

.page {
  min-height: 100vh;
  padding: 32px 16px;
}

.container {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 15px 45px rgba(15, 23, 42, 0.08);
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #4338ca;
  background: var(--accent-soft);
  padding: 6px 10px;
  border-radius: 999px;
}

h1 {
  margin: 12px 0 8px;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.2;
}

.meta {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}

h2 {
  margin: 22px 0 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

p, li {
  font-size: 15px;
  line-height: 1.75;
  color: #1f2937;
}

ul { margin: 8px 0 0; padding-left: 18px; }

a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.nav a {
  border: 1px solid var(--line);
  background: #fff;
  color: #374151;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border-radius: 999px;
}

.nav a.active {
  border-color: transparent;
  background: var(--accent);
  color: #fff;
}

@media print {
  body { background: #fff; }
  .page { padding: 0; }
  .card { box-shadow: none; border: none; border-radius: 0; padding: 0; }
  .nav { display: none; }
}