:root {
     --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
     --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
     --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
     --dark-bg: #0a0e27;
     --card-bg: #ffffff;
     --text-primary: #2d3748;
     --text-secondary: #718096;
     --border-color: #e2e8f0;
     --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
     --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
     --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}
 * {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
}
 body {
     font-family: 'Inter', sans-serif;
     line-height: 1.6;
     color: var(--text-primary);
     background: #f8fafc;
}
/* AI-themed animated background */
 .ai-bg-animated {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: linear-gradient(45deg, #667eea 0%, #764ba2 50%, #667eea 100%);
     background-size: 400% 400%;
     animation: gradientShift 15s ease infinite;
     z-index: -1;
}
 .ai-bg-animated::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%);
     animation: float 20s ease-in-out infinite;
}
 @keyframes gradientShift {
     0%, 100% {
         background-position: 0% 50%;
    }
     50% {
         background-position: 100% 50%;
    }
}
 @keyframes float {
     0%, 100% {
         transform: translateY(0px);
    }
     50% {
         transform: translateY(-20px);
    }
}
/* Modern Header */
 .ai-header {
     background: rgba(255, 255, 255, 0.95);
     backdrop-filter: blur(10px);
     border-bottom: 1px solid rgba(255, 255, 255, 0.2);
     position: sticky;
     top: 0;
     z-index: 1000;
     transition: all 0.3s ease;
}
 .ai-navbar {
     padding: 1rem 0;
}
 .ai-logo {
     font-family: 'Poppins', sans-serif;
     font-size: 1.8rem;
     font-weight: 700;
     background: var(--primary-gradient);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
     text-decoration: none;
     display: flex;
     align-items: center;
     gap: 0.5rem;
}
 .ai-logo i {
     background: var(--primary-gradient);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     font-size: 2rem;
}
 .ai-nav-links {
     display: flex;
     align-items: center;
     gap: 2rem;
     list-style: none;
}
 .ai-nav-links a {
     color: var(--text-primary);
     text-decoration: none;
     font-weight: 500;
     transition: all 0.3s ease;
     position: relative;
     font-size: 1.6rem;
}
 .ai-nav-links a:hover {
     color: #667eea;
}
 .ai-nav-links a::after {
     content: '';
     position: absolute;
     bottom: -5px;
     left: 0;
     width: 0;
     height: 2px;
     background: var(--primary-gradient);
     transition: width 0.3s ease;
}
 .ai-nav-links a:hover::after {
     width: 100%;
}
 .ai-search-box {
     position: relative;
     max-width: 300px;
}
 .ai-search-box input {
     width: 100%;
     padding: 0.75rem 1rem 0.75rem 3rem;
     border: 2px solid var(--border-color);
     border-radius: 50px;
     background: rgba(255, 255, 255, 0.8);
     backdrop-filter: blur(10px);
     transition: all 0.3s ease;
     font-size: 1.4rem;
}
 .ai-search-box input:focus {
     border-color: #667eea;
     box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
     outline: none;
}
 .ai-search-box i {
     position: absolute;
     left: 1rem;
     top: 50%;
     transform: translateY(-50%);
     color: var(--text-secondary);
}
 .ai-cart-btn {
     background: var(--primary-gradient);
     color: white;
     border: none;
     padding: 0.75rem 1.5rem;
     border-radius: 50px;
     font-weight: 600;
     transition: all 0.3s ease;
     text-decoration: none;
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
}
 .ai-cart-btn:hover {
     transform: translateY(-2px);
     box-shadow: var(--shadow-md);
     color: white;
     text-decoration: none;
}
/* Hero Section */
 .ai-hero {
     padding: 6rem 0;
     background: transparent;
     position: relative;
     overflow: hidden;
}
 .ai-hero-content {
     text-align: center;
     color: white;
     position: relative;
     z-index: 2;
}
 .ai-hero h1 {
     font-family: 'Poppins', sans-serif;
     font-size: 4.6rem;
     font-weight: 700;
     margin-bottom: 1.5rem;
     background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
     -webkit-background-clip: text;
     -webkit-text-fill-color: transparent;
     background-clip: text;
     line-height: 1.2;
}
 .ai-hero p {
     font-size: 1.8rem;
     margin-bottom: 2rem;
     opacity: 0.9;
     max-width: 600px;
     margin-left: auto;
     margin-right: auto;
}
 .ai-hero-cta {
     display: flex;
     gap: 1rem;
     justify-content: center;
     flex-wrap: wrap;
}
 .ai-btn-primary {
     background: rgba(255, 255, 255, 0.2);
     color: white;
     border: 2px solid rgba(255, 255, 255, 0.3);
     padding: 1rem 2rem;
     border-radius: 50px;
     font-weight: 600;
     text-decoration: none;
     transition: all 0.3s ease;
     backdrop-filter: blur(10px);
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
}
 .ai-btn-primary:hover {
     background: rgba(255, 255, 255, 0.3);
     transform: translateY(-2px);
     box-shadow: var(--shadow-lg);
     color: white;
     text-decoration: none;
}
 .ai-btn-secondary {
     background: transparent;
     color: white;
     border: 2px solid rgba(255, 255, 255, 0.5);
     padding: 1rem 2rem;
     border-radius: 50px;
     font-weight: 600;
     text-decoration: none;
     transition: all 0.3s ease;
     display: inline-flex;
     align-items: center;
     gap: 0.5rem;
}
 .ai-btn-secondary:hover {
     background: rgba(255, 255, 255, 0.1);
     color: white;
     text-decoration: none;
}
/* Info Section */
 .ai-info-section {
     padding: 8rem 0;
     background: white;
     position: relative;
     z-index: 1;
}
 .ai-info-row {
     display: flex;
     align-items: center;
     gap: 4rem;
     margin-bottom: 6rem;
}
 .ai-info-row:last-child {
     margin-bottom: 0;
}
 .ai-info-row.reverse {
     flex-direction: row-reverse;
}
 .ai-info-content {
     flex: 1;
     padding: 2rem;
}
 .ai-info-image {
     flex: 1;
     position: relative;
     overflow: hidden;
     border-radius: 20px;
    /* box-shadow: var(--shadow-lg);
     */
}
 .ai-info-image img {
     width: 100%;
    /* height: 400px;
     */
    /* object-fit: cover;
     */
     transition: transform 0.5s ease;
}
 .ai-info-image:hover img {
     transform: scale(1.05);
}
 .ai-info-card {
     background: transparent;
     border-radius: 20px;
     padding: 0;
     border: none;
     box-shadow: none;
     height: auto;
}
 .ai-info-card:hover {
     transform: none;
     box-shadow: none;
}
 .ai-info-card h3 {
     color: var(--text-primary);
     font-family: 'Poppins', sans-serif;
     font-weight: 700;
     margin-bottom: 2rem;
     font-size: 2.8rem;
     line-height: 1.2;
}
 .ai-info-card p {
     color: var(--text-secondary);
     line-height: 1.8;
     font-size: 1.5rem;
     font-weight: 400;
}
 .ai-info-icon {
     width: 80px;
     height: 80px;
     background: var(--accent-gradient);
     border-radius: 20px;
     display: flex;
     align-items: center;
     justify-content: center;
     margin-bottom: 2rem;
     color: white;
     font-size: 2rem;
     box-shadow: var(--shadow-md);
}
/* Placeholder images with gradients and icons */
 .ai-placeholder-image {
     width: 100%;
     height: 400px;
    /* background: var(--primary-gradient);
     */
     border-radius: 20px;
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     color: white;
     font-size: 4rem;
     position: relative;
     overflow: hidden;
}
 .ai-placeholder-image::before {
    /* content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
     transform: translateX(-100%);
     transition: transform 0.8s ease;
     */
}
 .ai-placeholder-image:hover::before {
     transform: translateX(100%);
}
 .ai-placeholder-text {
     font-size: 1.2rem;
     font-weight: 600;
     margin-top: 1rem;
     text-align: center;
}
/* Alternative gradient for second image */
 .ai-placeholder-image.secondary {
    /* background: var(--secondary-gradient);
     */
}
/* Responsive Design */
 @media (max-width: 968px) {
     .ai-info-row {
         flex-direction: column;
         gap: 3rem;
         margin-bottom: 4rem;
    }
     .ai-info-row.reverse {
         flex-direction: column;
    }
     .ai-info-content {
         padding: 1rem;
         text-align: center;
    }
     .ai-info-card h3 {
         font-size: 2rem;
         margin-bottom: 1.5rem;
    }
     .ai-info-card p {
         font-size: 1.6rem;
    }
     .ai-info-icon {
         margin: 0 auto 1.5rem;
    }
     .ai-placeholder-image {
         height: 300px;
         font-size: 3rem;
    }
}
 @media (max-width: 576px) {
     .ai-info-section {
         padding: 4rem 0;
    }
     .ai-info-row {
         gap: 2rem;
         margin-bottom: 3rem;
    }
     .ai-info-card h3 {
         font-size: 1.8rem;
    }
     .ai-info-card p {
         font-size: 1rem;
    }
     .ai-info-icon {
         width: 60px;
         height: 60px;
         font-size: 1.5rem;
    }
     .ai-placeholder-image {
         height: 250px;
         font-size: 2.8rem;
    }
     .ai-placeholder-text {
         font-size: 1rem;
    }
}
/* Animation for elements coming into view */
 .ai-fade-in {
     opacity: 0;
     transform: translateY(30px);
     transition: all 0.6s ease;
}
 .ai-fade-in.visible {
     opacity: 1;
     transform: translateY(0);
}
 .ai-fade-in-right {
     opacity: 0;
     transform: translateX(30px);
     transition: all 0.6s ease;
}
 .ai-fade-in-right.visible {
     opacity: 1;
     transform: translateX(0);
}
 .ai-fade-in-left {
     opacity: 0;
     transform: translateX(-30px);
     transition: all 0.6s ease;
}
 .ai-fade-in-left.visible {
     opacity: 1;
     transform: translateX(0);
}
/* Categories Section */
 .ai-categories {
     padding: 4rem 0;
     background: #f8fafc;
}
 .ai-section-title {
     text-align: center;
     margin-bottom: 3rem;
}
 .ai-section-title h2 {
     font-family: 'Poppins', sans-serif;
     font-size: 2.8rem;
     font-weight: 700;
     color: var(--text-primary);
     margin-bottom: 1rem;
}
 .ai-section-title p {
     font-size: 1.6rem;
     color: var(--text-secondary);
     max-width: 600px;
     margin: 0 auto;
}
 .ai-category-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
     gap: 1.5rem;
     margin-top: 3rem;
}
 .ai-category-card {
     background: var(--card-bg);
     border-radius: 15px;
     padding: 1.5rem;
     text-align: center;
     box-shadow: var(--shadow-sm);
     border: 1px solid var(--border-color);
     transition: all 0.3s ease;
}
 .ai-category-card:hover {
     transform: translateY(-5px);
     box-shadow: var(--shadow-md);
}
 .ai-category-icon {
     width: 50px;
     height: 50px;
     background: var(--secondary-gradient);
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     margin: 0 auto 1rem;
     color: white;
     font-size: 2.2rem;
}
 .ai-info-icon i {
     font-size: 2.4rem;
}
 .ai-category-card h4 {
     font-weight: 600;
     margin-bottom: 1.5rem;
     color: var(--text-primary);
     font-size: 1.8rem;
}
 .ai-category-card p {
     color: var(--text-secondary);
     font-size: 1.4rem;
}
/* Products Section */
 .ai-products {
     padding: 6rem 0;
     background: white;
}
 .ai-product-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
     gap: 2rem;
     margin-top: 3rem;
}
 .ai-product-card {
     background: var(--card-bg);
     border-radius: 20px;
     overflow: hidden;
     box-shadow: var(--shadow-sm);
     border: 1px solid var(--border-color);
     transition: all 0.3s ease;
}
 .ai-product-card:hover {
     transform: translateY(-5px);
     box-shadow: var(--shadow-md);
}
 .ai-product-image {
     width: 100%;
     height: 200px;
     background: #dbdbf3;
    ;
     /* display: flex;
     align-items: center;
     justify-content: center; */
     color: white;
     font-size: 3rem;
     /* position: relative;
     overflow: hidden; */
}
 .ai-product-image img{
    width:100%;
    height:100%;
 }
 .ai-product-image::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
     transform: translateX(-100%);
     transition: transform 0.6s ease;
}
 .ai-product-card:hover .ai-product-image::before {
     transform: translateX(100%);
}
 .ai-product-info {
     padding: 1.5rem;
}
 .ai-product-title {
     font-family: 'Poppins', sans-serif;
     font-weight: 600;
     font-size: 2rem;
     margin-bottom: 0.5rem;
     color: var(--text-primary);
}
 .ai-product-title a {
     color: var(--text-primary);
     text-decoration: none;
     transition: color 0.3s ease;
}
 .ai-product-title a:hover {
     color: #667eea;
}
 .ai-product-price {
     font-size: 1.5rem;
     font-weight: 700;
     color: #10b981;
     margin-bottom: 1rem;
}
 .ai-product-buy {
     background: var(--primary-gradient);
     color: white;
     border: none;
     padding: 0.75rem 1.5rem;
     border-radius: 50px;
     font-weight: 600;
     transition: all 0.3s ease;
     cursor: pointer;
     width: 100%;
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 0.5rem;
}
 .ai-product-buy:hover {
     transform: translateY(-2px);
     box-shadow: var(--shadow-md);
}
/* Courses Section */
 .ai-courses {
     padding: 6rem 0;
     background: #f8fafc;
}
 .ai-course-card {
     background: var(--card-bg);
     border-radius: 15px;
     padding: 1.5rem;
     margin-bottom: 1.5rem;
     box-shadow: var(--shadow-sm);
     border: 1px solid var(--border-color);
     transition: all 0.3s ease;
}
 .ai-course-card:hover {
     transform: translateY(-3px);
     box-shadow: var(--shadow-md);
}
 .ai-course-content {
     display: flex;
     gap: 1.5rem;
     align-items: flex-start;
}
 .ai-course-image {
     width: 150px;
     height: 150px;
     background: var(--accent-gradient);
     border-radius: 12px;
     display: flex;
     align-items: center;
     justify-content: center;
     color: white;
     font-size: 2rem;
     flex-shrink: 0;
}
 .ai-course-details {
     flex: 1;
}
 .ai-course-title {
     font-family: 'Poppins', sans-serif;
     font-weight: 600;
     margin-bottom: 0.5rem;
     color: var(--text-primary);
}
 .ai-course-instructor {
     color: var(--text-secondary);
     font-size: 1.4rem;
     margin-bottom: 0.5rem;
}
 .ai-course-rating {
     display: flex;
     align-items: center;
     gap: 0.5rem;
     margin-bottom: 1rem;
}
 .ai-course-stars {
     color: #fbbf24;
}
 .ai-course-price {
     margin-bottom: 1rem;
}
 .ai-course-price .ai-price-current {
     font-size: 1.2rem;
     font-weight: 700;
     color: #10b981;
}
 .ai-course-price .ai-price-old {
     text-decoration: line-through;
     color: var(--text-secondary);
     margin-left: 0.5rem;
}
 .ai-course-btn {
     background: var(--secondary-gradient);
     color: white;
     border: none;
     padding: 0.75rem 1.5rem;
     border-radius: 50px;
     font-weight: 600;
     transition: all 0.3s ease;
     cursor: pointer;
}
 .ai-course-btn:hover {
     transform: translateY(-2px);
     box-shadow: var(--shadow-md);
}
/* Footer */
 .ai-footer {
     background: var(--dark-bg);
     color: white;
     padding: 4rem 0 2rem;
     position: relative;
     overflow: hidden;
}
 .ai-footer::before {
     content: '';
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     background: linear-gradient(45deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}
 .ai-footer-content {
     position: relative;
     z-index: 1;
}
 .ai-footer h3 {
     font-family: 'Poppins', sans-serif;
     font-weight: 600;
     margin-bottom: 1.5rem;
     color: white;
}
 .ai-footer a {
     color: rgba(255, 255, 255, 0.8);
     text-decoration: none;
     transition: color 0.3s ease;
     display: block;
     margin-bottom: 0.5rem;
}
 .ai-footer a:hover {
     color: white;
}
 .ai-footer-social {
     display: flex;
     gap: 1rem;
     margin-top: 1rem;
}
 .ai-footer-social a {
     width: 40px;
     height: 40px;
     background: rgba(255, 255, 255, 0.1);
     border-radius: 10px;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: all 0.3s ease;
}
 .ai-footer-social a:hover {
     background: var(--primary-gradient);
     transform: translateY(-2px);
}
 .ai-footer-bottom {
     border-top: 1px solid rgba(255, 255, 255, 0.1);
     padding-top: 2rem;
     margin-top: 3rem;
     text-align: center;
     color: rgba(255, 255, 255, 0.7);
}
/* Mobile Menu */
 .ai-mobile-menu {
     display: none;
     color: var(--text-primary);
     font-size: 1.5rem;
     cursor: pointer;
}
/* Responsive Design */
 @media (max-width: 768px) {
     .ai-hero h1 {
         font-size: 2.8rem;
    }
     .ai-hero p {
         font-size: 1.6rem;
    }
     .ai-hero-cta {
         flex-direction: column;
         align-items: center;
    }
     .ai-mobile-menu {
         display: block;
    }
     .ai-course-content {
         flex-direction: column;
         text-align: center;
    }
     .ai-course-image {
         width: 100%;
         height: 200px;
    }
     .ai-product-grid {
         grid-template-columns: 1fr;
    }
     .ai-search-box {
         max-width: 200px;
    }
}
/* Loading Animation */
 .ai-loading {
     position: fixed;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     background: var(--dark-bg);
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 9999;
     opacity: 0;
     visibility: hidden;
     transition: all 0.3s ease;
}
 .ai-loading.active {
     opacity: 1;
     visibility: visible;
}
 .ai-spinner {
     width: 50px;
     height: 50px;
     border: 4px solid rgba(255, 255, 255, 0.1);
     border-top: 4px solid #667eea;
     border-radius: 50%;
     animation: spin 1s linear infinite;
}
 @keyframes spin {
     0% {
         transform: rotate(0deg);
    }
     100% {
         transform: rotate(360deg);
    }
}
/* Header wrapper layout */
/* Default (desktop) */
.nav-wrapper {
     display: flex;
     align-items: center;
     justify-content: space-between;
     flex-wrap: wrap;
     gap: 1rem;
}
.ai-header-right {
     display: flex;
     align-items: center;
     gap: 1.5rem;
}
.ai-mobile-menu {
     display: none;
}
#mobileMenu{
     display: none;
}
/* Mobile styles */
@media (max-width: 768px) {
     .ai-nav-links.desk {
         display: none !important;
        /* Force hide desktop nav on mobile */
    }
     .ai-header-right {
         display: none !important;
        /* Also hide the right controls */
    }
     .ai-mobile-menu {
         display: block;
         font-size: 1.5rem;
         cursor: pointer;
    }
     .ai-mobile-toggle {
         display: none;
         flex-direction: column;
         background: #fff;
         padding: 1rem;
         width: 100%;
         border-top: 1px solid #ccc;
    }
     .ai-mobile-toggle.active {
         display: flex;
    }
     .ai-nav-links.mob {
         display: block!important;
         flex-direction: column;
         width: 100%;
         gap: 1rem;
         padding-left: 0;
         margin: 0;
    }
     .ai-nav-links.mob li, .ai-nav-links.mob a, .ai-mobile-toggle .ai-search-box, .ai-mobile-toggle .ai-cart-btn {
         width: 100%;
    }
}