/* ============================================
   SHOP PAGE ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   SHOP LOADER (LOGO PREVIEW)
   ============================================ */

.shop-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--primary-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999999;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.shop-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none;
}

.shop-loader-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInScale 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.shop-loader-logo-img {
    height: clamp(60px, 8vw, 120px);
    width: auto;
    filter: invert(1) drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    opacity: 1;
}

/* ============================================
   PAGE BLUR OVERLAY
   ============================================ */

.page-blur-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    pointer-events: none;
    z-index: 999998;
    opacity: 0;
    transition: none;
}

.page-blur-overlay.active {
    backdrop-filter: blur(var(--blur-amount, 8px)) saturate(140%);
    -webkit-backdrop-filter: blur(var(--blur-amount, 8px)) saturate(140%);
    opacity: var(--opacity-amount, 0.5);
    transition: backdrop-filter 0.2s ease, opacity 0.2s ease;
}

/* ============================================
   ANIMATION CLASSES
   ============================================ */

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.98);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   DELAYED ANIMATIONS
   ============================================ */

.fade-in-on-scroll.delay-1 {
    transition-delay: 0.2s;
}

.fade-in-on-scroll.delay-2 {
    transition-delay: 0.4s;
}

.fade-in-on-scroll.delay-3 {
    transition-delay: 0.6s;
}

.fade-in-on-scroll.delay-4 {
    transition-delay: 0.8s;
}

.fade-in-on-scroll.delay-5 {
    transition-delay: 1s;
}

/* ============================================
   INITIAL ANIMATIONS (On Load)
   ============================================ */

.shop-filters {
    animation: fadeIn 1.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.products-header {
    animation: fadeInDown 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.shop-product-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.shop-product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Only hide cards when they're being filtered/re-animated */
.shop-product-card.reanimating {
    opacity: 0;
    transform: translateY(20px);
}