/* --- RESET & BASE --- */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: Arial, sans-serif;
      background-color: #c90f00;
      color: #333;
    }

    /* --- HEADER / BANNIÈRE --- */
    header {
      width: 100%;
    }

    header img {
      display: block;
      width: 100%;
      max-width: 1260px;
      height: auto;
      margin: 0 auto;
    }

    /* --- BARRE DE NAVIGATION --- */
    nav {
      background-color: #800020;
      width: 100%;
    }

    nav ul {
      list-style: none;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      justify-content: center;
      padding: 0;
      margin: 0 auto;
      max-width: screen.width;
    }

    nav ul li a {
      display: block;
      color: #ffffff;
      text-decoration: none;
      text-transform: uppercase;
      font-size: 1.3rem;
      font-weight: bold;
      padding: 16px 16px;
      letter-spacing: 0.05em;
      transition: background-color 0.2s ease;
    }

    nav ul li a:hover {
      background-color: #5a0016;
    }

    /* --- CONTENU PRINCIPAL --- */
    main {
      max-width: 1260px;
      margin: 30px auto;
      padding: 0 20px;
      background-color: #ffffff;
      border-radius: 4px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    }

    main .content {
      padding: 30px;
    }

    main .content h1 {
      font-size: 1.8rem;
      margin-bottom: 16px;
      color: #800020;
    }

    main .content p {
      line-height: 1.7;
      margin-bottom: 16px;
      text-align: justify;
    }

    /* --- RESPONSIVE --- */
    @media (max-width: 768px) {
      nav ul {
        flex-direction: column;
        align-items: stretch;
      }

      nav ul li a {
        text-align: center;
        padding: 14px 10px;
        border-bottom: 1px solid #a0002a;
      }

      main .content h1 {
        font-size: 1.4rem;
      }
    }