:root {
  font-family: Inter, system-ui, sans-serif;
  color: #f7f7fb;
  background: #171722;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; }
main { width: min(680px, calc(100% - 40px)); }
h1 { margin: 0 0 12px; font-size: clamp(2.5rem, 8vw, 5rem); }
p { color: #aaaabd; font-size: 1.1rem; }