.flip-carousel {
    position: relative;
}
.flip-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    perspective: 1800px;
    background: #000;
    overflow: hidden;
}
.flip-page {
    position: absolute;
    inset: 0;
    background: #fff;
    visibility: hidden;
    transform-style: preserve-3d;
}
.flip-page img.vk-modal-photo,
.flip-page img.flip-photo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    cursor: zoom-in;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.flip-page.flip-front {
    visibility: visible;
    z-index: 2;
}
.flip-page.flip-behind {
    visibility: visible;
    z-index: 1;
}
.flip-page.flipping-fwd {
    visibility: visible !important;
    z-index: 3;
    transform: rotateY(-180deg);
    transform-origin: left center;
    transition: transform 1.5s cubic-bezier(0.4, 0.0, 0.2, 1);
}
.flip-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    background: rgba(0, 0, 0, 0.55);
    border: 0;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 20px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.flip-btn:disabled {
    opacity: 0.35;
}
.flip-btn.flip-prev {
    left: 8px;
}
.flip-btn.flip-next {
    right: 8px;
}
.certificates-block__thumb {
    cursor: zoom-in;
}