body {
      margin: 0;
      font-family: Arial, sans-serif;
      background: linear-gradient(to bottom, #444, #ddd);
      color: #333;
      text-align: center;
      min-height: 100vh;
    }
  
    header {
      position: relative;
      padding: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
  
    .logo {
      height: 150px;
      margin-left: 40px;
    }
    
    .container {
  width: 100%; 
  padding: 2em;
}

    .menu-container {
      position: absolute;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
    }
    

    #menuButton {
      background: #444;
      color: white;
      border: none;
      padding: 10px 20px;
      font-size: 18px;
      cursor: pointer;
    }
    

    #menu {
      display: none;
      margin-top: 10px;
    }
    
    #menu ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    
    #menu li {
      display: inline;
      margin: 0 15px;
    }
    
    
    #menu a {
      text-decoration: none;
      font-size: 16px;
      font-weight: bold;
      color: white;
    }
    
    #menu a:hover {
      color: #ffd700;
    }
    
    
    main {
      padding: 20px;
    }
    
    section {
      display: none; 
      margin-bottom: 40px;
    }
    
    
    footer {
      padding: 20px;
      margin-top: 40px;
    }
    
    .social-icons {
      margin-bottom: 10px;
    }
    
    .social-icons a {
      margin: 0 10px;
    }
    
    .social-icons img {
      width: 200px;
      transition: transform 0.3s;
    }
    
    .social-icons img:hover {
      transform: scale(1.2);
    }

#devis form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
  }
  
  #devis fieldset {
    border: 1px solid #ccc;
    padding: 20px;
    margin-bottom: 20px;
  }
  
  #devis legend {
    font-weight: bold;
    padding: 0 10px;
  }
  
  #devis label {
    display: block;
    margin-top: 10px;
  }
  
  #devis input, #devis select, #devis textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
  }
  
  #devis button {
    background-color: #444;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
  }
  
  #devis button:hover {
    background-color: #333;
  }

  .formulaire-contact {
    max-width: 600px;
    margin: 0 auto;
    padding: 1.5rem;
    background-color: #f8f8f8;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
  }
  
  .formulaire-contact fieldset {
    border: none;
    padding: 0;
    margin-bottom: 1rem;
  }
  
  .formulaire-contact legend {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 1rem;
  }
  
  .formulaire-contact label {
    display: block;
    margin-top: 1rem;
    font-weight: 500;
  }
  
  .formulaire-contact input,
  .formulaire-contact textarea {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
  }
  
  .formulaire-contact button {
    display: block;
    margin: 2rem auto 0 auto;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  .formulaire-contact button:hover {
    background-color: #555;
  }
  
  .captcha-container {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
  }  
  
  /* === Responsive design pour tablettes et téléphones === */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .logo {
    margin-left: 0;
    height: 100px;
  }

  .menu-container {
    position: static;
    transform: none;
    margin-top: 20px;
  }

  #menu li {
    display: block;
    margin: 10px 0;
  }

  main {
    padding: 10px;
  }

  .formulaire-contact,
  #devis form {
    width: 100%;
    padding: 1em;
  }

  .social-icons img {
    width: 100px;
  }
}