:root {
  --blue-900: #0d1a26;
  --blue-600: #1565c0;
  --blue-400: #42a5f5;
  --grey-100: #e3f2fd;
  --card-bg: #142237;
  --shadow: 0 2px 16px 0 rgba(12, 36, 58, 0.4);
}

body {
  background: var(--blue-900);
  color: var(--grey-100);
  font-family: 'Roboto', 'Segoe UI', sans-serif;
  min-height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.card {
  background: var(--card-bg);
  padding: 2.5rem 2rem;
  border-radius: 18px;
  box-shadow: var(--shadow);
  max-width: 380px;
  width: 100%;
  text-align: center;
}

h1 {
  color: var(--blue-400);
  margin-bottom: .8rem;
  font-weight: 600;
}

.email {
  margin-top: 1.5rem;
  color: var(--blue-600);
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  word-break: break-all;
}

a {
  color: var(--blue-400);
}