body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
  color: #333;
}
header {
  background: #B71C1C;
  padding: 1rem 0;
  color: white;
}
header .container {
  width: 90%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
}
header nav a {
  color: white;
  text-decoration: none;
}
.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: url('../images/hero.jpg') center/cover no-repeat;
  color: white;
}
.btn-primary {
  background: #B71C1C;
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 5px;
  display: inline-block;
  margin-top: 1rem;
}
footer {
  background: #222;
  color: #bbb;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}