/* Cacher les sections selon la langue */
    .lang-section { display: none; }
    .lang-section.active { display: block; }
    /* Lang switcher */
    #lang-switcher {
      margin: 1rem 0;
      text-align: center;
    }
    #lang-switcher button {
      background: none;
      border: none;
      font-weight: bold;
      font-size: 1rem;
      margin: 0 0.5rem;
      cursor: pointer;
      color: #00d1b2;
    }
    #lang-switcher button.active {
      text-decoration: underline;
      cursor: default;
    }