:root { color-scheme: light; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center;
  padding: 32px; background: #FBF6E9; color: #1F1A1F;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 26rem; text-align: center; }
h1 { font-size: 1.75rem; line-height: 1.2; margin: 0 0 .5rem; }
p { color: #6B5B6B; line-height: 1.5; margin: 0 0 1.5rem; }
.code {
  display: inline-block; font-size: 2rem; font-weight: 700; letter-spacing: .18em;
  background: #FFFEFA; border: 1px solid #E8DEC0; border-radius: 10px;
  padding: .6rem 1.1rem; margin-bottom: 1.5rem;
}
.cta {
  display: inline-block; background: #E94B3C; color: #FFFEFA; text-decoration: none;
  font-weight: 600; border-radius: 12px; padding: .85rem 1.6rem;
}
.fine { font-size: .8rem; color: #8A7A8A; margin-top: 1.5rem; }