:root {
  --bg: #ffffff;
  --fg: #0f172a; /* slate-900 */
  --muted: #475569; /* slate-600 */
  --accent: #0ea5e9; /* sky-500 */
  --accent-dark: #0369a1; /* sky-700 */
  --border: #e2e8f0; /* slate-200 */
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; }
header {
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem;
}
nav a {
  margin-right: 1rem;
  font-weight: 600;
}
h1, h2, h3 { line-height: 1.25; }
h1 { font-size: 2rem; margin: 1rem 0; }
h2 { font-size: 1.5rem; margin: 1.5rem 0 0.5rem; }
h3 { font-size: 1.25rem; margin: 1.25rem 0 0.5rem; }
footer {
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}
.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  background: #fff;
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}
.col-12 { grid-column: span 12; }
@media (min-width: 768px) {
  .col-6 { grid-column: span 6; }
  .col-4 { grid-column: span 4; }
}
.table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}
.table th, .table td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}
.badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0c4a6e;
  font-size: 0.8rem;
}
.muted { color: var(--muted); }
.hero {
  padding: 1rem 0 0.5rem;
}
.cta {
  display: inline-block;
  background: #10b981;
  color: white;
  font-weight: 700;
  padding: 0.6rem 1rem;
  border-radius: 10px;
}
.cta:hover { background: #059669; text-decoration: none; }