/* ==========================================
   Card Reveal Animation - 3D Flip
   Activated via PORTAL_CONFIG.cardRevealAnimation

   Sequence:
     1. Banner   - 3 cards merge into one seamless image
     2. Split    - gap opens, image slices separate
     3. Flip     - each slice rotates 180deg on Y, revealing card on back
   ========================================== */

/* ---- Pre-animation: suppress default fadeInUp until JS prepares DOM ---- */
body[data-card-reveal="true"] .portal-card {
    animation: none !important;
    opacity: 1 !important;
    visibility: hidden;
}

/* ---- Portals: perspective container ---- */
.portals.card-reveal-active {
    position: relative;
    perspective: 2000px;
    perspective-origin: 50% 50%;
    transition: gap 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-reveal-banner {
    position: absolute;
    border: 0.25rem solid rgba(117, 105, 95, 0.5);
    border-radius: 1.25rem;
    background-image: url('../images/animation_banner_image.png');
    background-repeat: no-repeat;
    background-origin: border-box;
    background-clip: border-box;
    box-shadow: 0 0.25rem 1.25rem rgba(0, 0, 0, 0.08);
    pointer-events: none;
    z-index: 6;
    opacity: 1;
    transition: opacity 140ms linear;
}

/* During animation the card becomes a transparent shell;
   all visuals come from the flip faces */
.portals.card-reveal-active .portal-card {
    animation: none !important;
    opacity: 1 !important;
    visibility: visible;
    background: transparent !important;
    border-color: transparent !important;
    border: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none !important;
    overflow: visible !important;
}

/* Hide the card's own overlay during animation */
.portals.card-reveal-active .portal-card::after {
    display: none !important;
}

/* Hide coming-soon overlays during animation */
.portals.card-reveal-active .portal-card.coming-soon::before,
.portals.card-reveal-active .portal-card.coming-soon::after {
    display: none !important;
}

/* ==========================================
   Flip structure (injected by JS)
   .portal-card
     -> .card-flip-inner
         -> .card-flip-front
         -> .card-flip-back
   ========================================== */

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

/* Shared face rules */
.card-flip-front,
.card-flip-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    box-sizing: border-box;
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 0.25rem 1.25rem rgba(0, 0, 0, 0.08);
}

/* ---- Front face: hero image slice ---- */
.card-flip-front {
    background-image: url('../images/animation_banner_image.png');
    background-size: 300% auto;
    background-position: center;
    background-repeat: no-repeat;
    background-origin: border-box;
    background-clip: border-box;
    z-index: 2;
}

/* ---- Back face: card content ---- */
.card-flip-back {
    transform: rotateY(180deg);
    background: #fffdf9;
    border: 0.25rem solid rgba(117, 105, 95, 0.5);
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
}

/* Replicate card overlay on the back face */
.card-flip-back::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(226, 217, 205, 0.5);
    pointer-events: none;
    z-index: 0;
    border-radius: 0.75rem;
}

/* Keep content above the overlay */
.card-flip-back .card-header,
.card-flip-back .card-body {
    position: relative;
    z-index: 1;
}

/* ---- Flip trigger ---- */
.card-reveal-active.cr-flipped .card-flip-inner {
    transform: rotateY(180deg);
}

/* ---- Post-animation: cards stay visible ---- */
.portals.card-revealed .portal-card {
    animation: none !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* Keep corner clipping stable while pieces animate and flip */
.portals.card-reveal-active .portal-card {
    border-radius: 1.25rem !important;
}

/* ---- Responsive: skip animation on narrow/stacked layouts ---- */
@media (max-width: 900px) {
    body[data-card-reveal="true"] .portal-card {
        visibility: visible !important;
        animation: fadeInUp 0.5s ease forwards !important;
        opacity: 0 !important;
    }
}