body {
      background: #0a0a0c;
      margin: 0;
      padding: 0;
      font-family: 'Beaufort Pro', serif;
    }

    .header-section {
      text-align: center;
      margin-bottom: 2rem;
      padding-top: 2rem;
    }

    .header-section h1 {
      font-size: 3rem;
      color: #f0e6d2;
      text-transform: uppercase;
      letter-spacing: 2px;
      position: relative;
      display: inline-block;
    }

    .header-section h1::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 25%;
      width: 50%;
      height: 2px;
      background: linear-gradient(to right, #c8aa6e, transparent);
    }

    .header-section p {
      font-size: 1rem;
      color: #d4cfa4;
      max-width: 700px;
      margin: 1rem auto 0;
      line-height: 1.6;
    }

    .grille-regions {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
      padding: 2rem;
      justify-items: center;
    }

    .carte-region {
      background: linear-gradient(135deg, #1e2328 0%, #463714 100%);
      border-radius: 15px;
      padding: 1rem;
      text-align: center;
      border: 2px solid transparent;
      transition: transform 0.3s ease, border-color 0.3s ease;
      cursor: pointer;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
      width: 100%;
      max-width: 280px;
      height: 350px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .carte-region:hover {
      transform: scale(1.05);
      border-color: #c8aa6e;
    }

    .carte-region img {
      width: 100%;
      max-width: 160px;
      height: 160px;
      object-fit: contain;
      margin-bottom: 1rem;
    }

    .carte-region h3 {
      color: #f0e6d2;
      font-size: 1.2rem;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
   .carte-region:focus {
      outline: 3px solid #c8aa6e;
      outline-offset: 4px;
    }