:root {
    --primary-dark-color: #104056;
    --primary-medium-color: #206584;
    --primary-light-color: #A8CBD9;
    --secondary-color: #EB9A05;
    --text-color: #6A6A6A;
    --background-color: #F7F1E9;
    --background-color-trasp: rgba(247, 241, 233, 0.5);

    --padding-page-x: 7vw;
    --padding-texts-x: 15vw;
    --height-footer: 8vh;
    /* --height-header: 70px; */
    --height-header: 4.5vh;
    --height-h1: 84px;
    /* --height-h2: 80px; */
}

header {
    aspect-ratio: 0;
    margin-bottom: 1em;
}

main {
    width: 100%;
}

#slider-container {
    position: relative;
    width: calc(100% - var(--padding-page-x));
    margin: auto;
    overflow: hidden;
}

.image-wrapper {
    position: relative;
    width: 100%;
    display: inline-block;
    height: auto;
}

.foreground-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    object-fit: cover;
    opacity: 0.75;
}

.background-image {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.slider-handle {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 5px;
    background: #A8CBD9;
    cursor: ns-resize;
    /* Resize verticale */
    transform: translateY(-50%);
}

.slider-handle::before,
.slider-handle::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: url('../img/slider_arrow.png') no-repeat center center;
    background-size: contain;
}

.slider-handle::before {
    left: 50%;
    top: -30px;
    /* Freccia sopra lo slider */
    transform: translateX(-50%) rotate(-90deg);
}

.slider-handle::after {
    right: 50%;
    bottom: -30px;
    /* Freccia sotto lo slider */
    transform: translateX(50%) rotate(90deg);
}

.info-item.citation {
    padding: 0 calc(var(--padding-page-x)/2);
    font-family: 'Quintessential';
    font-size: 1.3em;
    line-height: 1.6em;
    color: var(--primary-medium-color);
    border-width: 30px;
    /* Larghezza del bordo */
    border-style: solid;
    /* Stile del bordo necessario */
    border-image-source: url('../img/frame_cit.png');
    /* Percorso dell'immagine */
    border-image-slice: 50;
    /* Dimensione del ritaglio in pixel */
    border-image-repeat: round;
    /* Ripeti o adatta senza stirare */
}

.info-item.citation small {
    display: block;
    line-height: 1.3em;
}


/* Media query per landscape (orizzontale) */
@media (orientation: landscape) {

    :root {
        --height-header: 10vh;
    }

    #slider-container {
        width: 70%;
    }

    #slider-container.vertical {
        width: 30%;
    }

    /* .overlay {
        width: 50%;
        height: 100%;
    }

    .slider-handle {
        top: 0;
        left: 50%;
        width: 5px;
        height: 100%;
        cursor: ew-resize;
        transform: translateX(-50%);
    }

    .slider-handle::before {
        left: -30px;
        top: 50%;
        transform: translateY(-50%) rotate(180deg);
    }

    .slider-handle::after {
        right: -30px;
        top: 50%;
        transform: translateY(-50%);
    } */
}