:root {
  color-scheme: light dark;
  font-family: ui-rounded, "SF Pro Rounded", system-ui, sans-serif;
  background: #07110f;
  color: #effff8;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 20%, #173c31 0, transparent 42rem),
    #07110f;
}

main {
  box-sizing: border-box;
  width: min(42rem, calc(100% - 2rem));
  padding: clamp(2rem, 7vw, 5rem);
  border: 1px solid #77e2b555;
  border-radius: 2rem;
  background: #0c1c18dd;
  box-shadow: 0 2rem 8rem #0008;
}

.mark {
  margin: 0 0 1.5rem;
  color: #77e2b5;
  font-size: 2rem;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2.4rem, 8vw, 4.8rem);
  letter-spacing: -.055em;
  line-height: .95;
}

p {
  max-width: 34rem;
  font-size: 1.1rem;
  line-height: 1.65;
  color: #d4eee4;
}

.fine {
  margin-top: 2.5rem;
  color: #91aa9f;
  font-size: .9rem;
}