:root {
  --bg: #0E1016;
  --fg: #F5F7FA;
  --accent: #0FA47A;
  --muted: #8A93A6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, system-ui, sans-serif;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100svh;
  text-align: center;
  padding: 2rem;
  -webkit-font-smoothing: antialiased;
}

main { max-width: 36rem; }

h1 {
  font-size: clamp(2.5rem, 10vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

h1::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 3px;
  margin: 1.25rem auto 0;
  border-radius: 2px;
  background: var(--accent);
}

.tag {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  letter-spacing: 0.18em;
  text-transform: lowercase;
}

@media (prefers-reduced-motion: no-preference) {
  main { animation: fade 0.8s ease both; }
  @keyframes fade {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
  }
}