/* 
 ---------------------------------
 |   LAST UPDATED: 2026-04-13    |
 ---------------------------------
 */

/* OWNER: subject-overlay jitter treatment for featured and latest-post images. */

.jitter-image {
    position: relative;
    display: grid;
    width: 100%;
    isolation: isolate;
    overflow: hidden;
    background: var(--background-color);
}

.jitter-image__base,
.jitter-image__subject {
    grid-area: 1 / 1;
    display: block;
    width: 100%;
}

.jitter-image__subject {
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transform-origin: center center;
    will-change: transform, filter, opacity;
    filter: drop-shadow(0 0 0 rgba(0, 0, 0, 0));
}

.jitter-image[data-jitter-ready="true"] .jitter-image__subject {
    opacity: 1;
}

.jitter-image[data-jitter-burst="active"][data-jitter-mode="css"] .jitter-image__subject {
    animation: zenith-jitter-burst 1120ms steps(1, end) 1 both;
}

.jitter-image:is(:hover, :focus-within)[data-jitter-ready="true"] .jitter-image__subject {
    transform: rotate(-1.2deg) translate3d(0, 0, 0) !important;
    filter: drop-shadow(10px 10px 0 color-mix(in srgb, var(--port) 82%, black 18%)) !important;
    transition: transform 220ms ease, filter 220ms ease;
}

.post-main-image .jitter-image,
.latest-post-image-figure .jitter-image {
    height: 100%;
}

/* Latest-post hero: sizing + object-fit live in latest-post.css (contain, no forced cover). */
.post-main-image .jitter-image__subject {
    object-fit: cover;
    object-position: center center;
}

@keyframes zenith-jitter-burst {
    0% {
        transform: translate3d(0, 0, 0) rotate(0deg);
        filter: drop-shadow(0 0 0 rgba(0, 0, 0, 0));
    }

    10% {
        transform: translate3d(-1px, 1px, 0) rotate(-0.45deg);
        filter: blur(0.3px) drop-shadow(4px 3px 0 color-mix(in srgb, var(--port) 78%, black 22%));
    }

    22% {
        transform: translate3d(2px, -1px, 0) rotate(0.8deg);
        filter: blur(0.65px) drop-shadow(5px 4px 0 color-mix(in srgb, var(--port) 82%, black 18%));
    }

    36% {
        transform: translate3d(-2px, 2px, 0) rotate(-0.9deg);
        filter: blur(0.2px) drop-shadow(8px 5px 0 color-mix(in srgb, var(--port) 88%, black 12%));
    }

    48% {
        transform: translate3d(1px, -2px, 0) rotate(0.55deg);
        filter: blur(0.75px) drop-shadow(6px 6px 0 color-mix(in srgb, var(--port) 84%, black 16%));
    }

    62% {
        transform: translate3d(-1px, 1px, 0) rotate(-0.25deg);
        filter: blur(0.2px) drop-shadow(4px 4px 0 color-mix(in srgb, var(--port) 76%, black 24%));
    }

    78% {
        transform: translate3d(1px, -1px, 0) rotate(0.35deg);
        filter: blur(0.5px) drop-shadow(3px 3px 0 color-mix(in srgb, var(--port) 70%, black 30%));
    }

    100% {
        transform: translate3d(0, 0, 0) rotate(0deg);
        filter: drop-shadow(0 0 0 rgba(0, 0, 0, 0));
    }
}

@media (prefers-reduced-motion: reduce) {
    .jitter-image__subject {
        display: none;
    }

    .jitter-image {
        transform: none !important;
    }
}