/* === PALETTE DE BLEUS === */
    :root {
      --bleu-principal: #005b96;   /* bleu foncé */
      --bleu-secondaire: #247ba0;  /* bleu moyen */
      --bleu-clair: #eaf4ff;       /* bleu très clair */
    }

    body {
      margin: 0;
      font-family: 'Segoe UI', sans-serif;
      background-color: #ffff;
    }

    .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: var(--bleu-principal);
      padding: 12px 24px;
      color: white;
      flex-wrap: wrap;
    }

    .logo {
      font-size: 1.6em;
      font-weight: bold;
    }

    .menu {
      display: flex;
      list-style: none;
      padding: 0;
      margin: 0;
      gap: 22px;
    }

    .menu li {
      position: relative;
    }

    .menu > li > a {
      color: white;
      text-decoration: none;
      padding: 10px 14px;
      display: block;
      transition: background 0.3s;
    }

    .menu > li > a:hover {
      background-color: var(--bleu-secondaire);
      border-radius: 4px;
    }

    .submenu {
      display: none;
      position: absolute;
      background-color: white;
      list-style: none;
      margin: 0;
      padding: 5px 0;
      min-width: 190px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      border-radius: 4px;
      z-index: 1000;
    }

    .menu li:hover .submenu {
      display: block;
    }

    .submenu li a {
      padding: 10px 16px;
      display: block;
      text-decoration: none;
      color: var(--bleu-principal);
      font-weight: 500;
      transition: all 0.3s ease;
    }

    .submenu li a:hover {
      background-color: var(--bleu-clair);
      border-left: 4px solid var(--bleu-secondaire);
      padding-left: 12px;
    }

    .language-selector {
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .language-selector img {
      width: 24px;
      height: 16px;
      cursor: pointer;
      border: 1px solid transparent;
      border-radius: 3px;
      transition: transform 0.2s ease;
    }

    .language-selector img:hover {
      border-color: white;
      transform: scale(1.1);
    }

    @media (max-width: 768px) {
      .navbar {
        flex-direction: column;
        align-items: center;
      }

      .menu {
        flex-direction: column;
        align-items: center;
      }

      .submenu {
        position: static;
        width: 100%;
      }
    }