:root {
  --bg: #0f172a;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
}

* { box-sizing: border-box; }

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

.hero {
  text-align: center;
  padding: 2rem 1rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 6vw, 3.5rem);
}

.sub {
  margin: 0;
  color: var(--muted);
}