/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    background-color: #e30613;
    width: 100%;
    min-height: 100%;
}

/* Grid container */
.grid {
    display: grid;
    width: 100vw;
    grid-template-columns: repeat(3, 1fr);
}

/* Square grid items */
.grid a {
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

/* Image fills square without distortion */
.grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Tablet portrait: 2 columns */
@media (max-width: 1024px) and (orientation: portrait) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile: 1 column */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
}