body {
  margin: 0;
  font-family: sans-serif;
  background: #f4f4f4;
  color: #333;
}
header {
  background: #111;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav a {
  color: white;
  margin-left: 1rem;
  text-decoration: none;
}
.hero {
  background: url('hero.jpg') center/cover no-repeat;
  color: white;
  text-align: center;
  padding: 100px 20px;
}
.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}
.btn {
  background: white;
  color: #111;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  margin: 0 0.5rem;
  font-weight: bold;
  border-radius: 4px;
}
footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 1rem;
}