:root {
  --primary-color: #0d6efd;
  --primary-hover: #0b5ed7;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --accent-badge: #e0f2fe;
  --accent-badge-text: #0369a1;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container-max-width: 900px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --accent-badge: #0c4a6e;
    --accent-badge-text: #7dd3fc;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #0d6efd, #0dcaf0);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-color);
}

.main-content {
  max-width: var(--container-max-width);
  margin: 2rem auto;
  padding: 0 1.5rem 3rem 1.5rem;
}

.hero-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--accent-badge);
  color: var(--accent-badge-text);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

.highlight-box {
  background: rgba(13, 110, 253, 0.06);
  border-left: 4px solid var(--primary-color);
  padding: 1rem 1.25rem;
  border-radius: 4px;
  margin: 1.25rem 0;
}

.warning-box {
  background: rgba(255, 193, 7, 0.12);
  border-left: 4px solid var(--warning-color);
  padding: 1rem 1.25rem;
  border-radius: 4px;
  margin: 1.25rem 0;
}

.success-box {
  background: rgba(25, 135, 84, 0.08);
  border-left: 4px solid var(--success-color);
  padding: 1rem 1.25rem;
  border-radius: 4px;
  margin: 1.25rem 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.policy-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: inherit;
}

.policy-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px -2px rgba(0, 0, 0, 0.08);
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  background-color: var(--primary-color);
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.table-responsive {
  overflow-x: auto;
  margin: 1.25rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--bg-color);
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border-color);
  background: var(--card-bg);
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.meta-info {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  flex-wrap: wrap;
}