body, html {
  height: 100%;
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
}

.coming-soon {
  height: 100vh;
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
              url('https://images.unsplash.com/photo-1560518883-ce09059eeffa') center/cover no-repeat;
  padding: 2rem;
}

input[type="email"] {
  min-width: 250px;
}

@media (max-width: 576px) {
  #countdown {
    flex-direction: column;
    gap: 0.5rem;
  }
}