body {
      margin: 0;
      font-family: Arial, sans-serif;
      background: #f9f9f9;
      color: #333;
    }

    /* Header avec image */
    header {
      background: url('https://images.unsplash.com/photo-1566073771259-6a8506099945?auto=format&fit=crop&w=1500&q=80') no-repeat center center/cover;
      height: 60vh;
      display: flex;
      justify-content: center;
      align-items: center;
      color: white;
      text-align: center;
      position: relative;
    }
    header::after {
      content: "";
      position: absolute;
      top:0; left:0; right:0; bottom:0;
      background: rgba(0,0,0,0.5);
    }
    header h1 {
      z-index: 1;
      font-size: 3rem;
      background: rgba(0,0,0,0.4);
      padding: 15px 25px;
      border-radius: 10px;
    }

    /* Navigation */
    nav {
      background: #004d40;
      padding: 15px;
      text-align: center;
    }
    nav a {
      color: white;
      margin: 0 15px;
      text-decoration: none;
      font-weight: bold;
    }
    nav a:hover {
      color: #ffcc00;
    }

    /* Sections */
    section {
      padding: 50px 10%;
    }
    section h2 {
      text-align: center;
      font-size: 2rem;
      color: #004d40;
      margin-bottom: 30px;
    }

    /* Chambres */
    .chambres {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }
    .carte {
      background: white;
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      overflow: hidden;
      text-align: center;
      transition: 0.3s;
    }
    .carte:hover {
      transform: translateY(-5px);
    }
    .carte img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .carte h3 {
      margin: 15px 0 5px;
      color: #004d40;
    }
    .prix {
      color: #e65100;
      font-size: 1.2rem;
      margin: 10px 0;
    }
    .btn {
      display: inline-block;
      margin-bottom: 20px;
      padding: 10px 20px;
      border-radius: 20px;
      background: #004d40;
      color: white;
      text-decoration: none;
    }
    .btn:hover {
      background: #e65100;
    }

    /* Formulaire */
    form {
      background: white;
      padding: 25px;
      border-radius: 10px;
      max-width: 600px;
      margin: auto;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }
    form label {
      font-weight: bold;
      display: block;
      margin: 10px 0 5px;
    }
    form input, form select, form textarea {
      width: 100%;
      padding: 10px;
      margin-bottom: 15px;
      border-radius: 8px;
      border: 1px solid #ccc;
    }
    form button {
      background: #004d40;
      color: white;
      padding: 12px 20px;
      border: none;
      border-radius: 20px;
      cursor: pointer;
    }
    form button:hover {
      background: #e65100;
    }

    /* Footer */
    footer {
      background: #004d40;
      color: white;
      text-align: center;
      padding: 20px;
      margin-top: 50px;
    }