/* --- Main Wrapper --- */
.image-accordion-main {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    color: #fff;
}

.image-accordion-main * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Accordion --- */
.image-accordion-main .image-accordion {
    display: flex;
    width: 100%;
    height: 70vh;
    min-height: 600px;
    overflow: hidden;
    border-radius: 10px;
    transition: all 0.6s ease;
}

.image-accordion-main .image-accordion-item {
    position: relative;
    display: flex;
    flex-direction: row;
    cursor: pointer;
    overflow: hidden;
    transition: flex-basis 0.6s ease, height 0.6s ease;
    flex: 1 1 0%;
}

.image-accordion-main .title-bar {
    writing-mode: sideways-lr;
    text-orientation: mixed;
    background: #fff;
    color: #666;
    text-align: center;
    padding: 10px;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    flex-shrink: 0;
    z-index: 2;
    transition: background 0.3s ease;
}

.image-accordion-main .image-accordion-item.active .title-bar {
    background: #666;
    color: #fff;
}

.image-accordion-main .image-container {
    position: relative;
    width: calc(100% - 50px);
    height: 100%;
    overflow: hidden;
    flex-shrink: 0;
}

.image-accordion-main .image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.6s ease;
    filter: brightness(0.6);
}

.image-accordion-main .image-accordion-item.active img {
    transform: scale(1.05);
    filter: brightness(1);
}

/* --- Default item-content (Desktop) --- */
.image-accordion-main .item-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    /* text at bottom for desktop */
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 40%, rgba(0, 0, 0, 0) 90%);
    padding: 30px 20px;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
    color: #fff;
}

.image-accordion-main .item-content.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.image-accordion-main .item-content p {
    line-height: 1.4em;
    color: inherit;
}

.image-accordion-main .item-content h1,
.image-accordion-main .item-content h2,
.image-accordion-main .item-content h3,
.image-accordion-main .item-content h4,
.image-accordion-main .item-content h5,
.image-accordion-main .item-content h6 {
    color: inherit;
}

.image-accordion-main .item-content .item-button {
    display:inline-block;
    margin: 15px 0 0 0;
    padding: 8px 20px;
    font-size: 1.6rem;
    line-height: 1.2em;
    font-weight: 600;
    color: #fff;
    background-color: rgba(255, 255, 255, 0);
    border: solid 2px var(--link-color-2);
    border-radius: 30px;
    transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.image-accordion-main .item-content .item-button:hover {
    background-color: var(--link-color-2);
}

/* --- MOBILE RESPONSIVE --- */
@media (max-width: 768px) {

    .image-accordion-main .image-accordion {
        flex-direction: column;
        height: 100vh;
    }

    .image-accordion-main .image-accordion-item {
        flex-direction: column;
        border-right: none;
        border-bottom: 1px solid #efefef;
        flex-basis: auto;
        /*height: calc(100% / 10);*/
        height: 100px;
        max-height: 100px;
    }

    .image-accordion-main .title-bar {
        writing-mode: horizontal-tb;
        text-orientation: initial;
        width: 100%;
        height: auto;
    }

    .image-accordion-main .image-container {
        width: 100%;
        height: 100%;
    }

    .image-accordion-main .image-accordion-item.active {
        height: 500px !important;
        max-height: unset;
        flex-basis: auto !important;
    }

    /* --- Mobile item-content: slide down + top content --- */
    .image-accordion-main .item-content {
        top: 0;
        bottom: auto;
        justify-content: flex-start;
        /* move text to top */
        background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8) 40%, rgba(0, 0, 0, 0) 90%);
        transform: translateY(-100%);
    }

    .image-accordion-main .item-content.visible {
        opacity: 1;
        transform: translateY(0);
        height: 100%;
    }
}