* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: #ffffff;
}

.app {
  width: min(90vw, 480px);
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  opacity: 0.8;
}

h1 {
  margin: 0 0 1rem;
  font-size: 2.4rem;
}

.message {
  margin: 0 0 1.5rem;
  font-size: 1rem;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  color: #0f172a;
  background: #f8fafc;
}

.button-link {
  display: inline-block;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  color: #0f172a;
  background: #f8fafc;
}

button:hover {
  background: #dbeafe;
}

.button-link:hover {
  background: #dbeafe;
}