:root {
    --gap: 1rem;
}

/* ---------- Masonry grid ---------- */
.grid {
    opacity: 0;
    transition: opacity 0.3s ease;
}
.grid.is-ready {
    opacity: 1;
}

.grid-sizer,
.grid-item {
    width: calc((100% - 1 * 16px) / 2);
}

.gutter-sizer {
    width: 16px;
}

.grid-item {
    margin-bottom: 16px;
    position: relative;
}

.grid-item img {
    display: block;
    width: 100%;
    height: auto;
}

.grid-item::after {
    content: "";
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: all .3s ease-in-out;
}

.caption {
    opacity: 0;
    transition: all .3s ease-in-out;
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    text-align: center;
    font-weight: 600;
    font-size: 1.25rem;
    z-index: 2;
}

.grid-item:hover .caption{
    opacity: 1;
}

.grid-item:hover::after {
    opacity: 1;
}

@media (min-width: 62em) {
    .grid-sizer,
    .grid-item {
        width: calc((100% - 3 * 16px) / 4);
    }
}

/* Lightbox */
.pswp__custom-caption {
    position: absolute;
    left: 0;
    bottom: 1rem;
    width: 100%;
    text-align: center;
    color: #fff;
    font-weight: 600;
    font-size: 1.25rem;
    padding: 0 1rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
}

.pswp-trigger { display: block; }