body {
  font-family: Arial, sans-serif;
  background-color: #f3f3f3;
  margin: 0;
  padding: 0;
  color: #333;
}

header {
  background-color: #fff;
  padding: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: center;
}

nav button {
  margin: 5px;
  padding: 10px 20px;
  background-color: white;
  color: #a34a00;
  border: 2px solid #a34a00;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
}

nav button:hover {
  background-color: #a34a00;
  color: white;
}

main {
  padding: 20px;
  display: flex;
  justify-content: center;
}

.content {
  background-color: white;
  padding: 40px;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

h1 {
  color: #a34a00;
  text-align: center;
}

h2, h3 {
  color: #542100;
}

.modele {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 30px 0;
  gap: 20px;
}

.modele img {
  width: 300px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.modele .texte {
  flex: 1;
}

button {
  background-color: #a34a00;
  color: white;
  border: none;
  padding: 10px 20px;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.3s;
}

button:hover {
  background-color: #cc5f00;
}