.pd-style_three {
    padding-left: 0;
    padding-top: 85px;
    display: flex;
    width: 100%;
    height: 100vh;
}
.fixed-sidebar {
    width: 50% !important;
    background-color: #f2f2f2;
    position: fixed;
    top: 85px;
    left: 0px;
    height: 100%;
}
.project-gallery.lightgallery.cover-flow {
    width: 50%;
    margin-left: 50%;
    height: calc(100vh - 85px);
    overflow-y: auto;
    box-sizing: border-box;
}
.cover-flow {
    perspective: 100rem;
    padding: 15rem 0;
}
.cover-flow__track {
    transform-style: preserve-3d;
    display: grid;
}
.cover-flow__space {
    transform-style: preserve-3d;
    view-timeline-name: --name-space;
    view-timeline-axis: block;
}
.cover-flow__cover {
    margin: 0 auto;
    display: block;
    width: 100%;
    max-width: 80vw;
    object-fit: contain;
    height: auto;
    max-height: 400px;
    animation: linear cover both;
    animation-timeline: view(block);
    transform-style: preserve-3d;
    will-change: transform;
    position: relative;
    user-select: none;
    border-radius: .5rem;
    animation-timeline: --name-space;
}
@keyframes cover {
    0% {
        transform: translateY(-100%) rotateX(45deg);
    }
    35% {
        transform: translateY(0) rotateX(45deg);
    }
    50% {
        transform: rotateX(0deg) translateZ(14em) scale(1.2);
    }
    65% {
        transform: translateY(0) rotateX(-45deg);
    }
    100% {
        transform: translateY(100%) rotateX(-45deg);
    }
}
.pd-style_three .fixed-sidebar .inner-content {
    padding-left: 40px;
}
@media (max-width: 991px) {
    .pd-style_three {
        display: block;
        padding-top: 0;
        height: auto;
    }
    .pd-style_three .fixed-sidebar {
        position: static; 
        width: 100% !important;
        height: auto;
        margin-top: 20px;
    }
    .pd-style_three .fixed-sidebar .inner-content {
        padding-left: 15px;
        padding-right: 15px;
    }
    .project-gallery.lightgallery.cover-flow {
        width: 100%; 
        margin-left: 0; 
        height: auto;
        overflow-y: visible; 
    }
    .cover-flow__cover {
        max-width: 90vw;
        max-height: 300px; 
    }
}