:root {
  color-scheme: light;
  --bg: #0f1720;
  --card: #16212b;
  --text: #f5f7fa;
  --muted: #b7c3cc;
  --accent: #2fd3b6;
  --accent-2: #6ad1ff;
  --border: #223241;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: radial-gradient(1200px 600px at 20% -10%, #1b2d3b 0%, #0f1720 55%) fixed;
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-weight: 600;
}

nav a:hover { color: var(--text); }

.hero {
  background: linear-gradient(145deg, rgba(47,211,182,0.15), rgba(106,209,255,0.08));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 28px;
}

h1 { font-size: 2rem; margin: 0 0 12px; }

h2 { font-size: 1.35rem; margin-top: 28px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-top: 16px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(47,211,182,0.2);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  margin-left: 8px;
}

a { color: var(--accent-2); }

footer {
  margin-top: 48px;
  color: var(--muted);
  font-size: 0.9rem;
}

ul { padding-left: 20px; }