.page-works-gallery {
    position: relative;
}

.page-works-gallery__loader {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    align-items: center;
    justify-content: center;
}

.page-works-gallery__loader.is-active {
    display: flex;
}

.page-works-gallery__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #cfcfcf;
    border-top-color: #454545;
    border-radius: 50%;
    animation: ag-spin 0.7s linear infinite;
}

@keyframes ag-spin {
    to { transform: rotate(360deg); }
}

.page-works-gallery__grid {
    transition: opacity 0.2s ease;
}

.portfolio-lightbox {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    padding: 40px;
}
.portfolio-lightbox.is-open {
    display: flex;
}
.portfolio-lightbox__img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}
.portfolio-lightbox__close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: 0;
    color: #fff;
    font-size: 40px;
    line-height: 1;
    cursor: pointer;
}