.wpis-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1/1; /* Fallback default ratio */
    display: block;
}

.wpis-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    transform: translateZ(0); /* Force GPU acceleration and crisp borders */
}

/* Background Scene Layers */
.wpis-background {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center center;
    transform: scale(1.15);
    filter: blur(24px);
    opacity: 0.75;
    pointer-events: none;
    z-index: 0;
    transition: filter var(--wpis-duration, 450ms) var(--wpis-easing, ease-out),
                opacity var(--wpis-duration, 450ms) var(--wpis-easing, ease-out);
}

.wpis-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

/* Foreground Images */
.wpis-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--wpis-duration, 450ms) var(--wpis-easing, ease-out),
                opacity var(--wpis-duration, 450ms) var(--wpis-easing, ease-out);
    backface-visibility: hidden;
}

.wpis-featured {
    z-index: 2;
    opacity: 1;
}

.wpis-gallery {
    z-index: 3;
    opacity: 0;
}

/* Hover States */
.wpis-container:hover .wpis-featured {
    opacity: 0;
    transform: scale(var(--wpis-hover-scale, 1.06));
}

.wpis-container:hover .wpis-gallery {
    opacity: 1;
    transform: scale(var(--wpis-hover-scale, 1.06));
}

/* Accessible Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .wpis-background,
    .wpis-image {
        transition: none !important;
        transform: none !important;
    }
    .wpis-container:hover .wpis-featured {
        transform: none !important;
    }
    .wpis-container:hover .wpis-gallery {
        transform: none !important;
    }
}