:root {
  --bg: #f6f9fc;
  --panel: #ffffff;
  --text: #102033;
  --muted: #667085;
  --primary: #1769e0;
  --danger: #dc2626;
  --border: #e5eaf0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 18px;
}

.hero {
  background: linear-gradient(135deg, #0f5bd8, #27a8e0);
  color: white;
  padding: 42px 26px;
  border-radius: 28px;
}

.badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  font-weight: 800;
  font-size: 13px;
}

h1 {
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.02;
  margin: 16px 0;
}

h2 {
  margin-top: 28px;
  font-size: 22px;
}

p, li {
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.card {
  display: block;
  padding: 22px;
  border-radius: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
}

.card h2 {
  margin: 0 0 8px;
}

.card p {
  margin: 0;
}

.card.danger {
  border-color: rgba(220, 38, 38, 0.22);
}

.page {
  max-width: 820px;
  background: var(--panel);
  margin-top: 22px;
  margin-bottom: 22px;
  border-radius: 26px;
  border: 1px solid var(--border);
}

.back {
  display: inline-block;
  color: var(--primary);
  font-weight: 800;
  text-decoration: none;
}

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

.button {
  display: inline-block;
  padding: 13px 18px;
  border-radius: 14px;
  background: var(--primary);
  color: white;
  font-weight: 900;
  text-decoration: none;
}

.button.danger {
  background: var(--danger);
}

footer {
  margin-top: 22px;
  text-align: center;
}

a {
  color: var(--primary);
}

@media (max-width: 760px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 16px;
  }

  .hero {
    padding: 30px 20px;
    border-radius: 24px;
  }

  .page {
    margin-top: 0;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }
}