body {
  font-family: Arial;
  margin: 0;
  line-height: 1.6;
}

header {
  background: #0a0a23;
  color: white;
  padding: 15px;
  text-align: center;
}

nav a {
  color: white;
  margin: 10px;
  text-decoration: none;
}

.hero {
  background: #2a5298;
  color: white;
  padding: 60px;
  text-align: center;
}

.btn {
  background: #ff6b6b;
  padding: 10px 20px;
  color: white;
  text-decoration: none;
}

section {
  padding: 40px;
  text-align: center;
}

footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 10px;
}