:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #111827;
  --muted: #4b5563;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Mono", "SFMono-Regular", "Consolas", monospace;
  color: var(--text);
  background: var(--bg);
}

main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.content {
  width: min(100%, 640px);
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1;
  font-weight: 700;
}

@media (max-width: 640px) {
  main {
    padding: 20px;
  }
}