:root {
  color: #102a43;
  background: #f8fafc;
  font-family: Inter, 'Avenir Next', 'Segoe UI', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  background: linear-gradient(180deg, #f8fafc 0%, #edf2f7 100%);
}

main {
  max-width: 30rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}