:root {
  --bg: #0e0f14;
  --fg: #f4f4f5;
  --accent: #6366f1;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
}
.cs {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}
.cs h1 { font-size: clamp(2rem, 6vw, 4rem); margin: 0 0 1rem; }
.cs-meta { opacity: 0.6; font-size: 0.9rem; margin-top: 2rem; }