:root {
  color-scheme: dark;
  font-family: ui-sans-serif, system-ui, sans-serif;
  background: #07111f;
  color: #e6edf7;
}

body {
  display: grid;
  min-height: 100vh;
  margin: 0;
  place-items: center;
}

main {
  width: min(42rem, calc(100% - 3rem));
  padding: 3rem;
  border: 1px solid #29415f;
  border-radius: 1.5rem;
  background: #0d1b2d;
  box-shadow: 0 2rem 5rem rgb(0 0 0 / 35%);
}

.eyebrow {
  color: #71d6c7;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin-block: 0.5rem 1rem;
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  line-height: 0.95;
}

output {
  display: block;
  margin-top: 2rem;
  color: #9fb4ce;
  font-family: ui-monospace, monospace;
}