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

header {
  background: #300000;
  color: #fff;
  padding: .5em;
  text-align: center;
}

nav a {
  margin: 0 1em;
  color: #fff;
  text-decoration: none;
}

.hero {
  text-align: center;
  padding: 3em;
  background: #eee;
}

.btn {
  background: #0077cc;
  color: white;
  padding: 0.7em 1.5em;
  border-radius: 5px;
  text-decoration: none;
}

.form-section {
  max-width: 500px;
  margin: 2em auto;
  background: white;
  padding: 2em;
  border-radius: 10px;
}

form label {
  display: block;
  margin-bottom: 1em;
}

input {
  width: 100%;
  padding: 0.5em;
}

.car-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1em;
  padding: 2em;
}

.car-card {
  background: white;
  padding: 1em;
  border-radius: 10px;
  text-align: center;
}

.car-card img {
  max-width: 100%;
  border-radius: 10px;
}