/* Animations for LUNAYA E-commerce */

/* General Fade In */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Slide In from Bottom */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-up {
    animation: slideInUp 0.7s ease-out forwards;
}

/* Scale Up (for product hover, etc.) */
@keyframes scaleUp {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.scale-up {
    animation: scaleUp 0.6s ease-out forwards;
}

/* Button Hover Effect (subtle push) */
.btn {
    transition: transform 0.2s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Product Card Hover Effect (defined in styles.css, but can be enhanced here) */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

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

.product-card:hover .product-card-image img {
    transform: scale(1.05);
}

/* Text Fade on Hover (for product info) */
.product-card-info {
    transition: opacity 0.3s ease;
}

.product-card:hover .product-card-info {
    opacity: 0.9; /* Slightly fade text on hover */
}

/* Sticky Header Transformation */
.header {
    transition: background-color 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98); /* More opaque on scroll */
    padding: 10px 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

/* Mega Menu Fade In */
.mega-menu {
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.mega-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Cart Slide-in Animation */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 350px; /* Adjust as needed */
    height: 100%;
    background-color: var(--color-pure-white);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.4s ease-out;
    z-index: 1001;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    transform: translateX(0);
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease-out, visibility 0.4s ease-out;
    z-index: 1000;
}

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

/* Pop-up Animation (for newsletter) */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1002;
}

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

.popup-content {
    background-color: var(--color-pure-white);
    padding: 40px;
    border-radius: var(--border-radius-soft);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 500px;
    text-align: center;
    position: relative;
}

.popup-overlay.active .popup-content {
    transform: translateY(0);
    opacity: 1;
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--color-dark-gray);
}

/* Loading Spinner (for smooth page transitions) */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.loading-spinner.active {
    opacity: 1;
    visibility: visible;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--color-powder-mauve);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Scroll to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-powder-mauve);
    color: var(--color-pure-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-dark-gray);
    transform: translateY(-5px);
}