/* ==============================================
   1. MODERN FONT IMPORTS
   ============================================== */
@font-face {
    font-family: "Roboto-bold";
    src: url('../WebFonts/Roboto-Bold.woff2') format('woff2'), url('../WebFonts/Roboto-Bold.woff') format('woff');
}

@font-face {
    font-family: "Roboto-Regular";
    src: url('../WebFonts/Roboto-Regular.woff') format('woff'), url('../WebFonts/Roboto-Regular.woff2') format('woff2');
}

:root {
    --bold: "Roboto-bold";
    --Regular: "Roboto-Regular";
}

/* ==============================================
   2. TYPOGRAPHY SYSTEM
   ============================================== */

/* Primary Font: Poppins for headings */
h1, h2, h3, h4, h5, h6,
.section-title,
.hero-title,
.product-title,
.auth-title {
    font-family: var(--bold),var(--Regular), sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Open Sans', 'Helvetica Neue';
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

/* Secondary Font: Inter for body text */
body,
p,
span,
a,
input,
button,
textarea,
select {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Scale */
.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.5;
    font-weight: 400;
}

/* ==============================================
   3. RESPONSIVE NAVIGATION SYSTEM
   ============================================== */

/* Desktop Navigation - Default */
.navbar-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.main-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.utility-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    transition: transform 0.3s ease;
}

/* Mobile Navigation Styles */
@media (max-width: 1024px) {
    .navbar-bottom {
        flex-direction: column;
        align-items: stretch;
        position: relative;
    }

    .mobile-menu-btn {
        display: block;
        align-self: flex-end;
        z-index: 1001;
    }

        .mobile-menu-btn:hover {
            transform: scale(1.1);
        }

        .mobile-menu-btn.active {
            transform: rotate(90deg);
        }

    /* Hide main menu and utility links by default */
    .main-menu,
    .utility-links {
        display: none;
        width: 100%;
    }

        /* Show when active */
        .main-menu.active,
        .utility-links.active {
            display: flex;
            flex-direction: column;
            gap: 0;
            animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .main-menu.active {
            background-color: #2c3e50;
            border-radius: 8px;
            padding: 10px;
            margin-top: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .main-menu > li {
            width: 100%;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

            .main-menu > li:last-child {
                border-bottom: none;
            }

            .main-menu > li > a {
                padding: 15px 15px;
                display: block;
                width: 100%;
            }

    /* Dropdown adjustments for mobile */
    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        background-color: #34495e;
        margin-left: 15px;
        margin-top: 5px;
        border-radius: 4px;
    }

    .nested {
        position: static;
        width: 100%;
        background-color: #3d566e;
        margin-left: 15px;
        margin-top: 5px;
    }

    /* Utility links mobile styling */
    .utility-links.active {
        background-color: #2c3e50;
        border-radius: 8px;
        padding: 15px;
        margin-top: 10px;
        gap: 10px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

    .utility-link,
    .contact-button {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        border-radius: 6px;
        background-color: rgba(52, 152, 219, 0.1);
    }

    .contact-button {
        background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    }
}

/* Tablet Responsive Adjustments */
@media (max-width: 768px) {
    body {
        padding-top: 160px;
    }

    .navbar-top {
        flex-wrap: wrap;
        gap: 15px;
    }

    .logo {
        font-size: 1.8rem;
    }

    .search-container {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin: 15px 0 0;
    }

    .user-actions {
        gap: 15px;
    }

    .action-btn span {
        display: none;
    }

    .action-btn i {
        font-size: 1.4rem;
    }
}

/* ==============================================
   4. NAVIGATION ANIMATIONS
   ============================================== */

/* Main Menu Link Underline Effect */
.main-menu > li > a {
    position: relative;
    transition: color 0.5s ease;
}

    .main-menu > li > a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background: linear-gradient(90deg, #3498db, #2980b9);
        transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-menu > li > a:hover::after {
        width: 100%;
    }

/* Utility Links Hover Effect */
.utility-link {
    position: relative;
    transition: all 0.5s ease;
}

    .utility-link::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 1px;
        background: currentColor;
        transition: width 0.5s ease;
    }

    .utility-link:hover::before {
        width: 100%;
    }

/* Dropdown Menu Animation */
.dropdown-menu {
    animation: slideDown 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu a {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

    .dropdown-menu a:hover {
        transform: translateX(5px);
    }

/* Navbar Scroll Effects */
.main-header.scrolled {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    animation: navbarSlideDown 0.3s ease;
}

@keyframes navbarSlideDown {
    0% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(0);
    }
}

.main-header.scrolled .navbar {
    padding: 8px 0;
    transition: padding 0.3s ease;
}

/* ==============================================
   5. SEARCH BAR ANIMATIONS
   ============================================== */

.search-container {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-bar {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

    .search-bar:focus {
        transform: scale(1.02);
        box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.2);
    }

.search-icon {
    transition: all 0.3s ease;
}

.search-bar:focus + .search-icon,
.search-container:hover .search-icon {
    color: #3498db;
    transform: translateY(-50%) scale(1.1);
}

/* ==============================================
   6. HERO SECTION ANIMATIONS
   ============================================== */

.hero-section {
    position: relative;
    overflow: hidden;
}

    /* Gradient Background Animation */
    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient( 45deg, rgba(52, 152, 219, 0.1), rgba(41, 128, 185, 0.1), rgba(142, 68, 173, 0.1), rgba(52, 152, 219, 0.1) );
        background-size: 400% 400%;
        animation: gradientShift 15s ease infinite;
        pointer-events: none;
    }

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Hero Background Zoom */
.hero-background {
    animation: heroZoom 20s infinite ease-in-out;
    will-change: transform;
}

@keyframes heroZoom {
    0%, 100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

/* Hero Content Animations */
.hero-content h1 {
    animation: heroTitleAppear 1s cubic-bezier(0.16, 1, 0.3, 1);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

@keyframes heroTitleAppear {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
        filter: blur(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.hero-content p {
    animation: heroSubtitleAppear 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

@keyframes heroSubtitleAppear {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero CTA with Float Effect */
.hero-cta {
    animation: fadeInUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both, buttonFloat 3s ease-in-out infinite;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes buttonFloat {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-5px);
    }
}

/* ==============================================
   7. PRODUCT CARD ANIMATIONS
   ============================================== */

.product-card {
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, box-shadow;
}

    /* Card Hover Effect with 3D Tilt */
    .product-card:hover {
        transform: translateY(-8px) rotateX(2deg) rotateY(-2deg) scale(1.02);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    }

    /* Shine Effect on Hover */
    /* .product-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transform: rotate(45deg);
  transition: all 0.6s;
  opacity: 0;
}

.product-card:hover::before {
  left: 100%;
  opacity: 1;
} */

    /* Image Zoom with Ken Burns Effect */
    .product-card img {
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        will-change: transform;
    }

    .product-card:hover img {
        transform: scale(1.1) rotate(1deg);
    }

/* Staggered Card Reveal Animation */
.products-grid .product-card,
.promotions-grid .promotion-card {
    opacity: 0;
    animation: cardReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes cardReveal {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Staggered Animation Delays */
.product-card:nth-child(1) {
    animation-delay: 0.1s;
}

.product-card:nth-child(2) {
    animation-delay: 0.2s;
}

.product-card:nth-child(3) {
    animation-delay: 0.3s;
}

.product-card:nth-child(4) {
    animation-delay: 0.4s;
}

.product-card:nth-child(5) {
    animation-delay: 0.5s;
}

.product-card:nth-child(6) {
    animation-delay: 0.6s;
}

/* ==============================================
   8. BUTTON ANIMATIONS
   ============================================== */

.hero-cta,
.contact-button,
.checkout-btn,
.auth-submit,
.account-cta,
.track-order-btn,
.dashboard-cta,
.add-to-cart-btn,
.product-cta,
.promotion-cta {
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

    /* Button Shine Effect */
    .hero-cta::before,
    .contact-button::before,
    .checkout-btn::before,
    .auth-submit::before,
    .account-cta::before,
    .track-order-btn::before,
    .dashboard-cta::before,
    .add-to-cart-btn::before,
    .product-cta::before,
    .promotion-cta::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.5s;
    }

    .hero-cta:hover::before,
    .contact-button:hover::before,
    .checkout-btn:hover::before,
    .auth-submit:hover::before,
    .account-cta:hover::before,
    .track-order-btn:hover::before,
    .dashboard-cta:hover::before,
    .add-to-cart-btn:hover::before,
    .product-cta:hover::before,
    .promotion-cta:hover::before {
        left: 100%;
    }

    /* Button Hover State */
    .hero-cta:hover,
    .contact-button:hover,
    .checkout-btn:hover,
    .auth-submit:hover,
    .account-cta:hover,
    .track-order-btn:hover,
    .dashboard-cta:hover,
    .add-to-cart-btn:hover,
    .product-cta:hover,
    .promotion-cta:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(52, 152, 219, 0.4);
    }

    /* Button Active State */
    .hero-cta:active,
    .contact-button:active,
    .checkout-btn:active,
    .auth-submit:active,
    .account-cta:active,
    .track-order-btn:active,
    .dashboard-cta:active,
    .add-to-cart-btn:active,
    .product-cta:active,
    .promotion-cta:active {
        transform: translateY(-1px) scale(0.95);
        box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
    }

    /* Ripple Effect on Click */
    .product-cta::after,
    .promotion-cta::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.2);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }

/* .product-cta:hover::after,
.promotion-cta:hover::after {
  width: 300px;
  height: 300px;
} */

/* ==============================================
   9. RIPPLE EFFECT SYSTEM
   ============================================== */

.ripple {
    position: relative;
    overflow: hidden;
}

    .ripple::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.5);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
    }

    .ripple:active::before {
        width: 300px;
        height: 300px;
        transition: width 0s, height 0s;
    }

.ripple-effect {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: rippleAnimation 0.6s ease-out;
    pointer-events: none;
}

@keyframes rippleAnimation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ==============================================
   10. FORM INPUT ANIMATIONS
   ============================================== */

.form-group input,
.form-group textarea,
.form-group select {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid #d1d5db;
}

    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        border-color: #3498db;
        box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
        transform: translateY(-2px);
    }

/* Floating Label Effect */
.form-group label {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left center;
}

.form-group.focused label {
    transform: translateY(-8px) scale(0.95);
    color: #3498db;
}

/* Input Glow Animation */
@keyframes inputGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(52, 152, 219, 0.2);
    }

    50% {
        box-shadow: 0 0 20px rgba(52, 152, 219, 0.4);
    }
}

/* ==============================================
   11. CARD HOVER EFFECTS
   ============================================== */

.testimonial-card,
.promotion-card,
.account-card,
.dashboard-card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

    /* Card Gradient Overlay */
    .testimonial-card::before,
    .promotion-card::before,
    .account-card::before,
    .dashboard-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), transparent);
        opacity: 0;
        transition: opacity 0.5s ease;
        border-radius: inherit;
        pointer-events: none;
    }

    .testimonial-card:hover::before,
    .promotion-card:hover::before,
    .account-card:hover::before,
    .dashboard-card:hover::before {
        opacity: 1;
    }

    .testimonial-card:hover,
    .promotion-card:hover,
    .account-card:hover,
    .dashboard-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    }

    /* Testimonial Quote Mark Animation */
    .testimonial-card::after {
        content: '"';
        position: absolute;
        top: -20px;
        left: 20px;
        font-size: 100px;
        color: rgba(52, 152, 219, 0.1);
        font-family: Georgia, 'Times New Roman', Times, serif;
        pointer-events: none;
        transition: all 0.4s ease;
    }

    .testimonial-card:hover::after {
        transform: scale(1.2) rotate(10deg);
        color: rgba(52, 152, 219, 0.2);
    }

/* ==============================================
   12. ICON ANIMATIONS
   ============================================== */

.account-icon,
.action-btn i,
.utility-link i {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-3px);
    }
}

.account-card:hover .account-icon,
.action-btn:hover i,
.utility-link:hover i {
    animation: iconBounce 0.6s ease;
}

@keyframes iconBounce {
    0%, 100% {
        transform: translateY(0) scale(1);
    }

    25% {
        transform: translateY(-10px) scale(1.1);
    }

    50% {
        transform: translateY(0) scale(1.05);
    }

    75% {
        transform: translateY(-5px) scale(1.08);
    }
}

/* Cart Count Badge Pulse */
.cart-count,
.favorite-count {
    animation: badgePulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.7);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 6px rgba(231, 76, 60, 0);
    }
}

/* ==============================================
   13. GLOW & NEON EFFECTS
   ============================================== */

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 5px rgba(52, 152, 219, 0.5), 0 0 10px rgba(52, 152, 219, 0.3), 0 0 15px rgba(52, 152, 219, 0.2);
    }

    50% {
        box-shadow: 0 0 10px rgba(52, 152, 219, 0.8), 0 0 20px rgba(52, 152, 219, 0.5), 0 0 30px rgba(52, 152, 219, 0.3);
    }
}

.glow-on-hover {
    transition: all 0.3s ease;
}

    .glow-on-hover:hover {
        animation: glowPulse 1.5s ease-in-out infinite;
    }

/* Neon Text Effect */
.neon-text {
    color: #fff;
    text-shadow: 0 0 5px #3498db, 0 0 10px #3498db, 0 0 20px #3498db, 0 0 40px #3498db, 0 0 80px #3498db;
    animation: neonFlicker 1.5s infinite alternate;
}

@keyframes neonFlicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 0 0 5px #3498db, 0 0 10px #3498db, 0 0 20px #3498db, 0 0 40px #3498db, 0 0 80px #3498db;
    }

    20%, 24%, 55% {
        text-shadow: none;
    }
}

/* ==============================================
   14. TEXT EFFECTS & ANIMATIONS
   ============================================== */

/* Text Reveal */
@keyframes textReveal {
    0% {
        clip-path: polygon(0 0, 0 0, 0 100%, 0% 100%);
    }

    100% {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
}

.text-reveal {
    animation: textReveal 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Gradient Text Animation */
@keyframes gradientText {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.gradient-text {
    background: linear-gradient(90deg, #3498db, #9b59b6, #e74c3c, #3498db);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientText 3s ease infinite;
}

/* Typing Cursor Effect */
@keyframes blink {
    0%, 50% {
        opacity: 1;
    }

    51%, 100% {
        opacity: 0;
    }
}

.typing-cursor::after {
    content: '|';
    animation: blink 1s step-end infinite;
    margin-left: 5px;
}

/* ==============================================
   15. GRADIENT BORDER ANIMATION
   ============================================== */

@keyframes borderRotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.gradient-border {
    position: relative;
    background: #ffffff;
}

    .gradient-border::before {
        content: '';
        position: absolute;
        top: -2px;
        left: -2px;
        right: -2px;
        bottom: -2px;
        background: linear-gradient(45deg, #3498db, #9b59b6, #e74c3c, #f39c12, #3498db);
        background-size: 300% 300%;
        border-radius: inherit;
        z-index: -1;
        animation: borderRotate 3s linear infinite;
    }

/* ==============================================
   16. IMAGE EFFECTS
   ============================================== */

.image-reveal {
    position: relative;
    overflow: hidden;
}

    .image-reveal::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
        transition: left 0.5s;
        z-index: 1;
    }

    .image-reveal:hover::before {
        left: 100%;
    }

/* ==============================================
   17. PARTICLES BACKGROUND
   ============================================== */

.particles-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(52, 152, 219, 0.5);
    border-radius: 50%;
    animation: floatParticle 15s linear infinite;
}

    .particle:nth-child(2n) {
        width: 6px;
        height: 6px;
        animation-duration: 20s;
    }

    .particle:nth-child(3n) {
        width: 3px;
        height: 3px;
        animation-duration: 12s;
    }

/* ==============================================
   18. MORPHING SHAPES
   ============================================== */

@keyframes morph {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }

    25% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }

    50% {
        border-radius: 50% 60% 30% 70% / 40% 70% 40% 50%;
    }

    75% {
        border-radius: 70% 30% 50% 50% / 30% 50% 70% 50%;
    }
}

.morph-shape {
    animation: morph 8s ease-in-out infinite;
}

/* ==============================================
   19. CARD STACK EFFECT
   ============================================== */

.card-stack {
    position: relative;
    transform-style: preserve-3d;
}

    .card-stack::before,
    .card-stack::after {
        content: '';
        position: absolute;
        top: 5px;
        left: 5px;
        right: 5px;
        bottom: -5px;
        background: inherit;
        border-radius: inherit;
        z-index: -1;
        opacity: 0.5;
        transition: all 0.3s ease;
    }

    .card-stack::after {
        top: 10px;
        left: 10px;
        opacity: 0.25;
    }

    .card-stack:hover::before {
        transform: translateY(-5px);
        opacity: 0.7;
    }

    .card-stack:hover::after {
        transform: translateY(-10px);
        opacity: 0.4;
    }

/* ==============================================
   20. PROGRESS BAR ANIMATION
   ============================================== */

@keyframes progressSlide {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.progress-bar {
    position: relative;
    overflow: hidden;
    background: #ecf0f1;
    border-radius: 10px;
}

    .progress-bar::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 50%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.5), transparent);
        animation: progressSlide 2s linear infinite;
    }

/* ==============================================
   21. TOOLTIP SYSTEM
   ============================================== */

.tooltip {
    position: relative;
}

    .tooltip::before,
    .tooltip::after {
        position: absolute;
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .tooltip::before {
        content: attr(data-tooltip);
        background: #2c3e50;
        color: #fff;
        padding: 8px 12px;
        border-radius: 6px;
        font-size: 14px;
        white-space: nowrap;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%) translateY(-5px);
    }

    .tooltip::after {
        content: '';
        border: 6px solid transparent;
        border-top-color: #2c3e50;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%) translateY(5px);
    }

    .tooltip:hover::before,
    .tooltip:hover::after {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }

/* ==============================================
   22. HOVER LIFT & BOUNCE EFFECTS
   ============================================== */

.hover-lift {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

    .hover-lift:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    }

/* Elastic Bounce */
@keyframes elasticBounce {
    0%, 100% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.1);
    }

    50% {
        transform: scale(0.95);
    }

    75% {
        transform: scale(1.05);
    }
}

.elastic-bounce {
    animation: elasticBounce 0.6s ease-in-out;
}

/* ==============================================
   23. SLIDE IN ANIMATIONS
   ============================================== */

@keyframes slideInFromLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-left {
    animation: slideInFromLeft 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-in-right {
    animation: slideInFromRight 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Notification Slide In */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification {
    animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==============================================
   24. SCROLL REVEAL ANIMATIONS
   ============================================== */

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

    .scroll-reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

/* Different Reveal Directions */
.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
}

    .reveal-left.revealed,
    .reveal-right.revealed {
        opacity: 1;
        transform: translateX(0);
    }

/* Fade In Utility */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==============================================
   25. STAGGER CHILDREN ANIMATION
   ============================================== */

.stagger-children > * {
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

    .stagger-children > *:nth-child(1) {
        animation-delay: 0.1s;
    }

    .stagger-children > *:nth-child(2) {
        animation-delay: 0.2s;
    }

    .stagger-children > *:nth-child(3) {
        animation-delay: 0.3s;
    }

    .stagger-children > *:nth-child(4) {
        animation-delay: 0.4s;
    }

    .stagger-children > *:nth-child(5) {
        animation-delay: 0.5s;
    }

/* ==============================================
   26. FAQ ACCORDION ANIMATION
   ============================================== */

.faq-question {
    transition: all 0.5s ease;
}

    .faq-question:hover {
        color: #3498db;
        padding-left: 10px;
    }

    .faq-question.active::after {
        transform: translateY(-50%) rotate(180deg);
    }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-question.active + .faq-answer {
    max-height: 500px;
}

/* ==============================================
   27. LOADING ANIMATIONS
   ============================================== */

/* Loading Spinner */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(52, 152, 219, 0.1);
    border-top-color: #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Skeleton Loading */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.loading-skeleton,
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Global Loader */
#global-loader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
}

/* ==============================================
   28. FOOTER ANIMATIONS
   ============================================== */

.footer {
    position: relative;
    overflow: hidden;
}

    .footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 2px;
        background: linear-gradient(90deg, transparent, #3498db, transparent);
        animation: footerLineSlide 3s linear infinite;
    }

@keyframes footerLineSlide {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* ==============================================
   29. PARALLAX SCROLL EFFECT
   ============================================== */

.parallax-bg {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

/* ==============================================
   30. MICRO-INTERACTIONS
   ============================================== */

/* Checkbox Animation */
input[type="checkbox"] {
    cursor: pointer;
    transition: all 0.3s ease;
}

    input[type="checkbox"]:checked {
        transform: scale(1.1);
    }

/* Focus Ring */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.3);
}

/* ==============================================
   31. RESPONSIVE ADJUSTMENTS
   ============================================== */

@media (max-width: 768px) {
    .product-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

    .hero-content h1,
    .hero-content p,
    .hero-cta {
        animation-duration: 0.6s;
    }

    .testimonial-card::after {
        font-size: 60px;
    }
}

/* ==============================================
   32. PERFORMANCE OPTIMIZATIONS
   ============================================== */

/* Hardware Acceleration */
.product-card,
.hero-cta,
.navbar,
.dropdown-menu,
.testimonial-card,
.promotion-card,
.account-card,
.dashboard-card {
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Will-Change Properties */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}