/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

/* Page Loading */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.page-loader-content {
    text-align: center;
}

.page-loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-fade {
    opacity: 0;
    transition: opacity 0.6s ease-out;
}

.reveal-fade.active {
    opacity: 1;
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-slide-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-slide-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-slide-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-slide-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Staggered animations */
.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}

.stagger-5 {
    transition-delay: 0.5s;
}

/* Product Card Hover Effects */
.product-card {
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-card-image {
    overflow: hidden;
    position: relative;
}

.product-card-image img {
    transition: transform 0.5s ease-out;
}

.product-card:hover .product-card-image img {
    transform: scale(1.08);
}

.product-card-actions {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.product-card:hover .product-card-actions {
    opacity: 1;
    transform: translateY(0);
}

/* Button Micro-interactions */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease-out, height 0.6s ease-out;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn-loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading .btn-text {
    visibility: hidden;
}

.btn-loading .btn-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Navbar Scroll Effect - handled in main.css */

/* Hero Parallax Effect */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: translateZ(0);
    will-change: transform;
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* Cart Animation */
.cart-icon {
    position: relative;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease-out;
}

.cart-badge.bump {
    animation: bump 0.3s ease-out;
}

@keyframes bump {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
    100% {
        transform: scale(1);
    }
}

/* Checkout Step Progress */
.step-progress {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: var(--spacing-2xl);
}

.step-progress::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-gray-200);
    z-index: 1;
}

.step-progress-line {
    position: absolute;
    top: 20px;
    left: 0;
    height: 2px;
    background-color: var(--color-primary);
    z-index: 2;
    transition: width 0.5s ease-out;
}

.step-item {
    position: relative;
    z-index: 3;
    text-align: center;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-gray-200);
    color: var(--color-gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    margin: 0 auto var(--spacing-sm);
    transition: all 0.3s ease-out;
}

.step-item.active .step-number {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.step-item.completed .step-number {
    background-color: var(--color-success);
    color: var(--color-white);
}

.step-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    transition: color 0.3s ease-out;
}

.step-item.active .step-label {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.step-item.completed .step-label {
    color: var(--color-success);
}

/* Category Card Hover */
.category-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.category-card img {
    transition: transform 0.5s ease-out;
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    transition: background 0.3s ease-out;
}

.category-card:hover .category-card-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

/* Image Zoom */
.image-zoom-container {
    position: relative;
    overflow: hidden;
    cursor: zoom-in;
}

.image-zoom-container img {
    transition: transform 0.3s ease-out;
}

.image-zoom-container:hover img {
    transform: scale(1.5);
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Shake Animation */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Success Animation */
@keyframes success {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-animation {
    animation: success 0.5s ease-out;
}

/* Timeline Animation */
.timeline-item {
    position: relative;
    padding-left: var(--spacing-2xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-gray-200);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--color-gray-200);
    border: 2px solid var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease-out;
}

.timeline-item.active .timeline-dot {
    background-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

.timeline-item.completed .timeline-dot {
    background-color: var(--color-success);
}

/* Mobile Menu Animation */
.mobile-menu {
    transform: translateX(-100%);
    transition: transform 0.3s ease-out;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-overlay {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-out, visibility 0.3s ease-out;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

::-moz-selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Hover Lift Effect */
.hover-lift {
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Glow Effect */
.glow {
    box-shadow: 0 0 20px rgba(26, 26, 46, 0.3);
    transition: box-shadow 0.3s ease-out;
}

.glow:hover {
    box-shadow: 0 0 30px rgba(26, 26, 46, 0.5);
}