:root {
  --bg: #f3f4f8;
  --surface: #ffffff;
  --surface-soft: #f7f8fc;
  --border: #d9deeb;
  --text: #1f2430;
  --muted: #5f6c86;
  --primary: #5b44d6;
  --primary-soft: rgba(91, 68, 214, 0.08);
  --danger: #d43d3d;
  --success: #128062;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #eef1f8 0%, #f8f8fb 100%);
  color: var(--text);
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
}

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

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 16px 56px;
}

.hero,
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 12px 30px rgba(31, 36, 48, 0.05);
}

.hero {
  margin-bottom: 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.title {
  margin: 14px 0 10px;
  font-size: 34px;
  line-height: 1.05;
}

.subtitle {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
}

.meta {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

.section {
  margin-bottom: 14px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.section p,
.section li {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
}

.section ul {
  margin: 0;
  padding-left: 20px;
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.callout {
  border-radius: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
}

.callout strong {
  display: block;
  margin-bottom: 6px;
}

.callout-danger {
  border-color: rgba(212, 61, 61, 0.18);
  background: rgba(212, 61, 61, 0.05);
}

.callout-success {
  border-color: rgba(18, 128, 98, 0.16);
  background: rgba(18, 128, 98, 0.05);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--primary);
  color: #fff;
}

.button-secondary {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

.footer {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
}

code {
  background: var(--surface-soft);
  padding: 2px 6px;
  border-radius: 6px;
}

@media (max-width: 640px) {
  .page {
    padding-top: 20px;
  }

  .hero,
  .section {
    padding: 18px;
  }

  .title {
    font-size: 28px;
  }
}