:root {
  color-scheme: light dark;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  align-items: center;
  background: #f3f7fd;
  color: #0c1730;
  display: flex;
  justify-content: center;
  margin: 0;
  min-height: 100vh;
}

main {
  box-sizing: border-box;
  max-width: 34rem;
  padding: 2rem;
  text-align: center;
}

img {
  border-radius: 18px;
}

.eyebrow {
  color: #55708f;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1.05;
}

p {
  line-height: 1.6;
}

.button {
  background: #1555b6;
  border-radius: 14px;
  color: #fff;
  display: block;
  font-weight: 700;
  margin: 2rem 0 1rem;
  padding: 1rem;
  text-decoration: none;
}

.contact {
  color: #1555b6;
}

.invalid {
  color: #b42318;
  font-weight: 700;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #0c172b;
    color: #f6f8fc;
  }

  .eyebrow {
    color: #a9bad0;
  }

  .contact {
    color: #75aaff;
  }
}