/* ===== Metro Grid ===== */
.metro-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    grid-template-rows: auto auto auto;
    gap: 10px;
}

/* Image 1 : grande à gauche */
.metro-grid > .grid-item:nth-child(1) {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
}

/* Image 2 : en haut à droite */
.metro-grid > .grid-item:nth-child(2) {
    grid-column: 2 / 4;
    grid-row: 1;
}

/* Image 3 : en dessous */
.metro-grid > .grid-item:nth-child(3) {
    grid-column: 2 / 4;
    grid-row: 2;
}

/* Conteneur pour toutes les images restantes */
.bottom-row {
    grid-column: 1 / 4;
    grid-row: 3;

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

/* Images */
.metro-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== Responsive mobile ===== */
@media (max-width: 768px) {
    .metro-grid {
        grid-template-columns: 1fr;
    }

    .metro-grid > .grid-item:nth-child(1),
    .metro-grid > .grid-item:nth-child(2),
    .metro-grid > .grid-item:nth-child(3) {
        grid-column: auto;
        grid-row: auto;
    }

    .bottom-row {
        grid-column: auto;
    }
}