/**
 * Our Projects — 3D deck scroll stack
 * REVERT: delete this file, remove link from home.blade.php,
 *         remove data-scroll-stack attr, remove #projects-scroll-wrapper wrapper,
 *         remove #psDots, remove .ps-progress-bar
 */

/* Allow sticky to work through the overflow:hidden ancestor */
.d-home-desktop:has(#projects-scroll-wrapper) {
    overflow-x: clip;
    overflow-y: visible;
}

/* ── Scroll wrapper — provides the scrollable height ─────────────────── */
#projects-scroll-wrapper {
    position: relative;
    width: 100%;
    align-self: stretch;
}

/* ── Section padding + sizing ──────────────────────────────────────────── */
.projects-stack-section {
    overflow: visible !important;
    width: 100%;
    max-width: 1366px;
    margin-left: auto;
    margin-right: auto;
    align-self: center;
    padding: 80px 125px 40px;
    box-sizing: border-box;
}

@media (max-width: 1024px) {
    .projects-stack-section { padding: 60px 60px 80px; }
}
@media (max-width: 768px) {
    .projects-stack-section { padding: 40px 20px 60px; }
}
@media (max-width: 560px) {
    .projects-stack-section { padding: 32px 16px 48px; }
}

/* ── 3D deck — desktop only ───────────────────────────────────────────── */
@media (min-width: 1025px) {

    .projects-stack-section[data-scroll-stack] {
        position: sticky;
        top: 0;
        /* Capped at 900px so the section never explodes at low browser-zoom.
           The wrapper height in JS uses the same effectiveVh() cap. */
        height: min(100vh, 900px);
        /* clip cards that peek above the header */
        overflow: hidden !important;
        display: flex;
        flex-direction: column;
        padding-bottom: 3px;
        /* restore max-width so section stays within the page column */
        max-width: 1366px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
    }

    /* Header stays visually above back cards that overflow upward.
       background: #ffffff makes it opaque so cards behind it are hidden. */
    .projects-stack-section[data-scroll-stack] .projects-header {
        position: relative;
        z-index: 2;          /* above .projects-stack stacking context (z-index: 1) */
        flex-shrink: 0;
        background: #ffffff;
        padding-bottom: 24px;
    }

    /* Perspective container — natural height only, no flex-grow.
       The section centres content vertically via justify-content. */
    .projects-stack-section[data-scroll-stack] .projects-stack {
        position: relative;
        z-index: 1;
        perspective: 1800px;
        perspective-origin: 50% 20%;
        overflow: visible;
    }

    .projects-stack-section[data-scroll-stack] .projects-columns-container {
        position: relative;
        height: 370px;
        overflow: visible;
        width: 100%;
        margin-top: 56px;
    }

    /* Cards become absolutely-positioned 3D tiles.
       opacity:0 + translateX(-50%) hides/centres cards before JS runs — prevents
       the right-side flash on page load and back-navigation. */
    .projects-stack-section[data-scroll-stack] .project-card-item {
        position: absolute !important;
        left: 50% !important;
        top: 0 !important;
        width: 100% !important;
        height: 370px !important;
        margin: 0 !important;
        opacity: 0;
        transform: translateX(-50%);
        box-shadow: 0 6px 28px rgba(0, 0, 0, 0.10);
        will-change: transform, opacity, filter;
        transition:
            transform  800ms cubic-bezier(.19, 1, .22, 1),
            opacity    700ms cubic-bezier(.19, 1, .22, 1),
            filter     700ms cubic-bezier(.19, 1, .22, 1) !important;
    }

    /* Cancel the old sticky-card rules */
    .projects-stack-section[data-scroll-stack] .project-card-item:not(.hidden) {
        position: absolute !important;
        top: 0 !important;
        margin-bottom: 0 !important;
        clip-path: none !important;
    }

    /* card-parallax-init / card-revealed must not override stack positioning.
       Keep opacity:0 + centered transform so they can't flash visible. */
    .projects-stack-section[data-scroll-stack] .project-card-item.card-parallax-init,
    .projects-stack-section[data-scroll-stack] .project-card-item.card-parallax-init.card-revealed {
        opacity: 0 !important;
        transform: translateX(-50%) !important;
        transition:
            transform  800ms cubic-bezier(.19, 1, .22, 1),
            opacity    700ms cubic-bezier(.19, 1, .22, 1),
            filter     700ms cubic-bezier(.19, 1, .22, 1) !important;
    }

    /* ── Enter / Leave — filter-switch animations ─────────────────────── */
    .projects-stack-section[data-scroll-stack] .project-card-item.enter {
        transform: translateX(-50%) translateY(40%) translateZ(-260px) scale(.78) rotateX(18deg) !important;
        opacity: 0 !important;
        filter: blur(18px) !important;
        /* instant jump to enter position — no reverse slide animation */
        transition: none !important;
    }

    .projects-stack-section[data-scroll-stack] .project-card-item.leaving,
    .projects-stack-section[data-scroll-stack] .project-card-item.category-transitioning.leaving {
        transform: translateX(-50%) translateY(35%) translateZ(160px) scale(.88) rotateX(13deg) !important;
        opacity: 0 !important;
        filter: blur(18px) !important;
        pointer-events: none !important;
    }

    /* ── Front-card interactions ──────────────────────────────────────── */
    .projects-stack-section[data-scroll-stack] .project-card-item.ps-front:hover {
        box-shadow: 0 46px 110px rgba(0,0,0,.15);
    }

    /* Image — no parallax offset in stack, subtle zoom on hover */
    .projects-stack-section[data-scroll-stack] .project-card-image-container {
        height: 100%;
        min-height: 0;
    }
    .projects-stack-section[data-scroll-stack] .project-card-image-container img {
        transform: none !important;
        will-change: auto;
        transition: transform 700ms cubic-bezier(.19,1,.22,1) !important;
    }
    .projects-stack-section[data-scroll-stack] .project-card-item.ps-front:hover .project-card-image-container img {
        transform: scale(1.05) !important;
    }

    /* Tighten card text area to fit fixed height */
    .projects-stack-section[data-scroll-stack] .frame-36 {
        padding: 24px 16px;
        gap: 16px;
    }
    .projects-stack-section[data-scroll-stack] .heading-3 {
        font-size: 32px;
        line-height: 1.1;
    }

} /* end @media min-width 1025px */


/* Empty state */
.projects-stack .projects-empty-state {
    display: none;
    text-align: center;
    padding: 80px 20px;
    font-family: "Archivo", sans-serif;
    color: #6a6260;
    font-size: 18px;
    width: 100%;
    box-sizing: border-box;
}
.projects-stack .projects-columns-container:not(:has(.project-card-item:not(.hidden))) .projects-empty-state {
    display: block;
}

/* ── Reduced motion — show cards normally ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .projects-stack-section[data-scroll-stack] .project-card-item {
        opacity: 1 !important;
        transform: none !important;
        position: relative !important;
        top: auto !important;
        height: auto !important;
    }
    .projects-stack-section[data-scroll-stack] .projects-columns-container {
        display: flex;
        flex-direction: column;
        gap: 32px;
        height: auto;
    }
}