body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background-color: #111;
  color: white;
  padding: 20px;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
}

#hero {
  background-color: #007BFF;
  color: white;
  text-align: center;
  padding: 60px 20px;
}

#hero button {
  background-color: #fff;
  color: #007BFF;
  border: none;
  padding: 12px 25px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 20px;
  border-radius: 5px;
}

section {
  padding: 40px 20px;
  max-width: 800px;
  margin: auto;
}

footer {
  background-color: #222;
  color: #aaa;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}