/* Image optimization styles for S3 images */

/* Lazy loading fallback */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Improve gallery performance */
.gallery .img {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    will-change: transform;
}

/* Responsive images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Placeholder while loading */
.gallery .img::before {
    content: "";
    display: block;
    background: linear-gradient(90deg, #f0f0f0 25%, transparent 25%, transparent 50%, #f0f0f0 50%, #f0f0f0 75%, transparent 75%, transparent);
    background-size: 20px 20px;
    animation: loading 1s linear infinite;
}

@keyframes loading {
    0% { background-position: 0 0; }
    100% { background-position: 20px 0; }
}

/* Hide placeholder when image loads */
.gallery .img img {
    position: relative;
    z-index: 1;
}