.containerPresentation {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin: auto;
    overflow: hidden;
    position: relative;
}

.containerPresentation .image-container {
    overflow: hidden;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    position: relative;
    -ms-flex-item-align: self-start;
        -ms-grid-row-align: self-start;
        align-self: self-start;
    border-radius: 200px 50px 300px 0px;
}

.image-container img {
    width: 100%;
    height: auto;
    display: block;
}

.containerPresentation .text-container {
    -webkit-box-flex: 1.35;
        -ms-flex: 1.35;
            flex: 1.35;
    padding: 40px;
    padding-top: 20px;
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
}

.containerPresentation button{
    margin-top: 20px;
}

.containerPresentation .subtext {
    font-size: 1.1em;
    margin: 10px 0px 20px 0px;
}

.containerPresentation .extra-content {
    max-height: 0;
    overflow: hidden;
    -webkit-transition: max-height 0.5s ease-in-out;
    -o-transition: max-height 0.5s ease-in-out;
    transition: max-height 0.5s ease-in-out;
}

.containerPresentation .extra-content.show {
    max-height: 1000px;
}


@media (max-width: 1200px) {
    .containerPresentation {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
            -ms-flex-direction: column;
                flex-direction: column;
    }

    .containerPresentation .image-container {
        position: relative; /* Désactive l'effet sticky sur mobile */
        width: 100%;
        max-width: 500px;
        -ms-flex-item-align: self-start;
            -ms-grid-row-align: self-start;
            align-self: self-start;
        /*border-radius: 0px;*/
    }

    .containerPresentation .text-container {
        margin-top: 2em;
        width: 100%;
        padding: 0px;
    }
}