body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #000000 0%, #0D4C6B 50%, #000000 100%);
  color: #fff;
  min-height: 100vh;
}
header {
  text-align: center;
  padding: 4rem 2rem;
}
header h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
header p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}
.button {
  padding: 0.75rem 1.5rem;
  background-color: #ffffff;
  color: #000000;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}
section {
  padding: 2rem;
  text-align: center;
}
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  background-color: #0b1c2c;
}
footer a {
  color: #f5f5f5;
  margin: 0 0.5rem;
  text-decoration: underline;
}