:root {
  --bg: #f7f7f8;
  --card: #ffffff;
  --text: #111111;
  --muted: #6b7280;
  --accent: #0f172a;
  --border: #e5e7eb;
  --link: #0a66c2;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1000px; margin: 0 auto; padding: 24px; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.nav a.brand { font-weight: 700; letter-spacing: 0.3px; color: var(--text); }
.nav .links { display: flex; gap: 16px; flex-wrap: wrap; }
.nav .links a { color: var(--text); opacity: 0.85; }
.nav .links a.active { opacity: 1; font-weight: 600; border-bottom: 2px solid var(--accent); }

.hero { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 36px; }
h1 { font-size: 32px; margin: 0 0 8px 0; }
h2 { font-size: 22px; margin: 28px 0 8px; }
p.lead { color: var(--muted); margin: 0 0 16px 0; line-height: 1.6; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.badge { font-size: 12px; padding: 6px 10px; border-radius: 999px; background: #eef2ff; border: 1px solid #e0e7ff; color: #3730a3; }

.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px; }
.card h3 { margin-top: 0; }
.footer { color: var(--muted); font-size: 14px; padding: 24px 0; text-align: center; }

.list { display: grid; gap: 16px; }
.item { padding: 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); }
.item h3 { margin: 0 0 6px; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
}

hr.sep { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

.btn { display: inline-block; padding: 10px 14px; border-radius: 10px; background: var(--accent); color: white; font-weight: 600; }
.btn:hover { text-decoration: none; opacity: 0.95; }
.small { font-size: 14px; color: var(--muted); }

section { margin-top: 20px; }