.gallery-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
grid-auto-rows: 280px;
grid-auto-flow: row dense;
gap: 6px;
} .gallery-grid__item--tall  { grid-row: span 2; }
.gallery-grid__item--wide  { grid-column: span 2; }
.gallery-grid__item--large { grid-column: span 2; grid-row: span 2; } .gallery-grid__item {
display: block;
overflow: hidden;
position: relative;
}
.gallery-grid__item img {
width: 100%;
height: 100%;
object-fit: cover;
display: block;
transition: transform 0.4s ease;
}
.gallery-grid__item:hover img {
transform: scale(1.04);
}
.gallery-grid__item:focus-visible {
outline: 3px solid #005fcc;
outline-offset: 2px;
z-index: 1;
} @media (max-width: 900px) {
.gallery-grid {
grid-template-columns: repeat(2, 1fr);
grid-auto-rows: 220px;
}
.gallery-grid__item--wide,
.gallery-grid__item--large {
grid-column: span 1;
}
} @media (max-width: 480px) {
.gallery-grid {
grid-template-columns: repeat(2, 1fr);
grid-auto-rows: 160px;
gap: 4px;
}
.gallery-grid__item--tall,
.gallery-grid__item--wide,
.gallery-grid__item--large {
grid-column: span 1;
grid-row: span 1;
}
}