nav .actif  {
    background-color: #001e46;
}

h1 {
    text-align: center;
    height: 100px;
}

#Background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

/* Conteneur timeline */
.timeline-container {
    position: absolute;
    bottom: 300px;
    /* Position verticale depuis le bas */
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 50px;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Barre de la timeline */
.timeline {
    position: relative;
    width: 100%;
    height: 5px;
    background-color: #f7f6f6;
    border-radius: 3px;
    overflow: visible;
}

/* Éléments de la timeline */
.timeline-item {
    width: 200px;
    height: 30px;
    position: absolute;
    bottom: 10px;
    transform: translateX(-50%);
    color: #003478;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    background-color: #f7f6f6;
    padding: 5px 10px;
    border-radius: 20px;
    border: 1px solid #003478;
    text-align: center;
    line-height: 30px;
    white-space: nowrap;
    cursor: pointer;
}

.timeline-item-bot {
    width: 200px;
    height: 30px;
    position: absolute;
    bottom: -50px;
    transform: translateX(-50%);
    color: #003478;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    background-color: #f7f6f6;
    padding: 5px 10px;
    border-radius: 20px;
    border: 1px solid #003478;
    text-align: center;
    line-height: 30px;
    white-space: nowrap;
    cursor: pointer;
}

/* Changement de style au survol */
.timeline-item:hover {
    background-color: #002760;
    color: #f7f6f6;
}

.timeline-item-bot:hover {
    background-color: #002760;
    color: #f7f6f6;
}

/* Pop-up container */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 10;
    justify-content: center;
    align-items: center;
}

/* Pop-up content */
.popup-content {
    background-color: #fff;
    padding: 100px;
    width: 50%;
    max-width: 900px;
    border-radius: 10px;
    text-align: center;
    position: relative;
}

.popup-content p {
    color: #003478;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    text-align: justify;
}

.popup-content h1 {
    color: #003478;
    font-size: 40px;
    font-family: Arial, Helvetica, sans-serif;
    text-align: justify;
}

.scrollable-content {
    max-height: 300px; /* Hauteur maximale de la zone défilante */
    overflow-y: auto; /* Activer le défilement vertical */
    padding-right: 10px; /* Légèrement espacé pour éviter que le texte touche le bord */
    scrollbar-width: none;
}

/* Close button */
.popup .close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 30px;
    font-weight: bolder;
    color: #003478;
    cursor: pointer;
}

/* Image pop-up */
.popup-content img {
    width: 50%;
    height: auto;
    border-radius: 10px;
}

@media (max-width: 900px) {
    .timeline {
        position: relative;
        width: 5px;
        height: 600px;
        background-color: #f7f6f6;
        border-radius: 3px;
        overflow: visible;
    }

    .timeline-item {
        width: 200px;
        height: 30px;
        position: absolute;
        bottom: 10px;
        transform: translateX(-50%);
        color: #003478;
        font-family: Arial, Helvetica, sans-serif;
        font-size: 20px;
        background-color: #f7f6f6;
        padding: 5px 10px;
        border-radius: 20px;
        border: 1px solid #003478;
        text-align: center;
        line-height: 30px;
        white-space: nowrap;
        cursor: pointer;
    }

    .popup {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.8);
        z-index: 10;
        justify-content: center;
        align-items: center;
    }

    .popup-content {
        background-color: #fff;
        padding: 50px;
        width: 50%;
        border-radius: 10px;
        text-align: center;
        position: relative;
    }

    .MQT1 {
        bottom: 500px;
        margin-left: 100px;
        font-size: 15px;
        width: 150px;
    }

    .MQT2 {
        bottom: 350px;
        margin-right: 120px;
        transform: translatex(-105%);
        font-size: 15px;
        width: 150px;
    }

    .MQT3 {
        bottom: 210px;
        margin-left: 100px;
        font-size: 15px;
        width: 150px;
    }

    .MQT4 {
        bottom: 60px;
        margin-right: 1200px;
        transform: translatex(-105%);
        font-size: 15px;
        width: 150px;
    }


}
@media (max-width: 400px) {
    .timeline-container {
        bottom: 100px;
    }
}