/* ── Drift Wall: 3D tilted wall of drifting photos (see js/driftwall.js) ── */
.drift-wall {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    perspective: var(--dw-perspective, 1200px);
    perspective-origin: 50% 50%;
    --dw-tile-w: 190px;
    --dw-tile-h: 125px;
    --dw-gap: 14px;
    --dw-radius: 10px;
    --dw-lift: 46px;
    --dw-dim: 0.55;
    --dw-gray: 0;
    --dw-overlay: #060606;
    --dw-edge: 40%;
    -webkit-mask-image:
        radial-gradient(ellipse 78% 82% at 50% 46%, #000 var(--dw-edge), transparent 100%),
        linear-gradient(to top, #000 var(--dw-edge), transparent 100%);
    -webkit-mask-composite: source-in;
    mask-image:
        radial-gradient(ellipse 78% 82% at 50% 46%, #000 var(--dw-edge), transparent 100%),
        linear-gradient(to top, #000 var(--dw-edge), transparent 100%);
    mask-composite: intersect;
}

.drift-wall__plane {
    position: absolute;
    top: 50%;
    left: 50%;
    display: flex;
    flex-direction: row;
    transform-style: preserve-3d;
    cursor: pointer;
    transform-origin: 50% 50%;
    will-change: transform;
}

.drift-wall__col {
    position: relative;
    width: calc(var(--dw-tile-w) + var(--dw-gap));
    transform-style: preserve-3d;
}

.drift-wall__track {
    display: flex;
    flex-direction: column;
    will-change: transform;
    transform-style: preserve-3d;
}

.drift-wall__tile {
    position: relative;
    display: block;
    width: 100%;
    height: calc(var(--dw-tile-h) + var(--dw-gap));
    flex: 0 0 auto;
    outline: none;
    transform-style: preserve-3d;
}

.drift-wall__inner {
    position: absolute;
    inset: calc(var(--dw-gap) / 2);
    display: block;
    border-radius: var(--dw-radius);
    overflow: hidden;
    background: #0b0b12;
    opacity: var(--dw-dim);
    transform: translateZ(0);
    pointer-events: none;
    transition:
        transform 0.42s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.42s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}

.drift-wall__tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(var(--dw-gray)) saturate(0.92);
    transition: filter 0.42s cubic-bezier(0.22, 1, 0.36, 1);
    user-select: none;
    -webkit-user-drag: none;
}

.drift-wall__overlay {
    position: absolute;
    inset: 0;
    background: var(--dw-overlay);
    /* Lowered from 0.42 — combined with the higher --dw-dim, tiles now read
       clearly without hover instead of needing it to look "on". */
    opacity: 0.22;
    pointer-events: none;
    transition: opacity 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}

.drift-wall__tile.is-active .drift-wall__inner,
.drift-wall__tile:focus-visible .drift-wall__inner {
    opacity: 1;
    transform: translateZ(var(--dw-lift));
    box-shadow: 0 24px 60px -18px rgba(0, 0, 0, 0.7);
}

.drift-wall__tile.is-active img,
.drift-wall__tile:focus-visible img {
    filter: grayscale(0) saturate(1.05);
}

.drift-wall__tile.is-active .drift-wall__overlay,
.drift-wall__tile:focus-visible .drift-wall__overlay {
    opacity: 0;
}

.drift-wall__tile:focus-visible .drift-wall__inner {
    box-shadow:
        0 24px 60px -18px rgba(0, 0, 0, 0.7),
        0 0 0 2px rgba(255, 255, 255, 0.9);
}

@media (prefers-reduced-motion: reduce) {
    .drift-wall__plane,
    .drift-wall__track {
        will-change: auto;
    }
}