/* ------------------------------------------------------ /
/  Cases - Grid Parallax                                 /
/ ------------------------------------------------------ */
main {
    width: 100%;
    height: 100vh;
    position: relative;
    z-index: 2;
    overflow: hidden; /* ✅ scroll virtual en ambos modos */
    background: white;
    transition: transform 500ms cubic-bezier(.13, .53, .38, .97);
    scrollbar-width: none;
    -ms-overflow-style: none;
    touch-action: none; /* ✅ evitar interferencia del scroll nativo en móvil */
}
main::-webkit-scrollbar {
    display: none;
}

.cases-grid {
    display: flex;
    gap: clamp(1rem, 2.5vw, 2rem);
    padding: 150px clamp(1rem, 5vw, 4rem) 0;
}

.grid-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: clamp(1rem, 2.5vw, 2rem);
    will-change: transform;
}

.grid-column img {
    width: 100%;
    height: auto;
    display: block;
    transition: filter 0.5s ease-out, opacity 0.5s ease-out;
}

.grid-column img:hover {
    cursor: pointer;
}

.scroll-hint-vertical {
    position: absolute;
    bottom: 40%;
    left: 50%;
    z-index: 10000;
    transform: translate(-50%) rotate(-90deg);
    transform-origin: center center;
    pointer-events: none;
    white-space: nowrap;
    font-size: 11px !important;
}

/* ------------------------------------------------------ /
/  ✅ MÓVIL: ajustes específicos                         /
/ ------------------------------------------------------ */
@media (max-width: 1000px) {
    .cases-grid {
        padding: 100px 1rem 2rem;
        gap: 0.75rem;
    }
    .grid-column {
        gap: 0.75rem;
    }
    /* ✅ NO forzar aspect-ratio: mantener diseño asimétrico */
    .scroll-hint-vertical {
        display: none;
    }
}

/* ------------------------------------------------------ /
/  Blur-up effect para imágenes                          /
/ ------------------------------------------------------ */
.grid-image-loading {
    filter: blur(10px);
    opacity: 0.8;
    background: #f0f0f0;
}

.grid-image-loaded {
    filter: blur(0);
    opacity: 1;
}