:root {
  --bg: #0b0f19;
  --card-bg: #111827;
  --border: #1f2937;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --success: #10b981;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand span { color: var(--accent); }
nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
  transition: color 0.2s;
}
nav a:hover, nav a.active { color: var(--text); }
main {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  width: 100%;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--success);
}
h1 { font-size: 2.75rem; font-weight: 800; line-height: 1.2; margin-bottom: 1rem; }
.lead { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 2rem; max-width: 650px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem;
}
.card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.card p { color: var(--text-muted); font-size: 0.95rem; }
pre {
  background: #030712;
  border: 1px solid var(--border);
  padding: 1.25rem;
  border-radius: 8px;
  overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  color: #a5f3fc;
  margin: 1.5rem 0;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s;
}
.btn:hover { background: var(--accent-hover); }
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}