body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #1A1A1A;
  color: white;
  padding: 20px;
  text-align: center;
}

nav a {
  color: cyan;
  margin: 0 10px;
  text-decoration: none;
}

.hero {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(to right, #0073e6, #00c4cc);
  color: white;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  background: black;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 15px;
}

footer {
  background: #1A1A1A;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 20px;
}