:root {
  --bg: #0b1020;
  --fg: #e8ecf4;
  --accent: #4aa3ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

.hero {
  text-align: center;
  padding: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  margin: 0 0 0.5rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.hero p { opacity: 0.8; }

code {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}