
        /* ===== BASE STYLES & RESET ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #7e22ce;
            --accent: #325e65;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --success: #22c55e;
            --error: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            
            /* Crystal Glass Effect Variables */
            --glass-bg: rgba(255, 255, 255, 0.15);
            --glass-border: rgba(255, 255, 255, 0.2);
            --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
            --crystal-shadow: 0 0 20px rgba(110, 69, 226, 0.3);
            
            /* Gradient Variables */
            --primary-gradient: linear-gradient(135deg, #6e45e2 0%, #88d3ce 100%);
            --secondary-gradient: linear-gradient(135deg, #ff7e5f 0%, #feb47b 100%);
            --header-gradient: linear-gradient(90deg, #f9f9fa, #e5f6f5);
            --footer-gradient: linear-gradient(to right, #2c3e50, #4a6580);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background: linear-gradient(135deg, #aeccea 0%, #8ecdb5 50%, #448677 100%);
            color: #fff;
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 10% 20%, rgba(110, 69, 226, 0.05) 0%, transparent 20%),
                        radial-gradient(circle at 90% 80%, rgba(136, 211, 206, 0.05) 0%, transparent 20%);
            pointer-events: none;
            z-index: -1;
        }

        /* ===== TYPOGRAPHY ===== */
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 0.5em;
        }

        h1 {
            font-size: 2.8rem;
            text-align: center;
            margin: 40px 0;
            text-shadow: 0 2px 8px rgba(0,0,0,0.1);
            position: relative;
            padding-bottom: 15px;
        }

        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 2px;
            color: var(--dark) ;
        }

        h2 {
            font-size: 2.2rem;
            color: var(--dark);

        }

        h3 {
            font-size: 1.8rem;
            color: var(--dark);
        }

        p {
            margin-bottom: 1rem;
            color: var(--dark);

        }

        .section-title {
            color: var(--primary);
            margin: 40px 0 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--primary-gradient);
        }

        .section-subtitle {
            font-size: 1.2rem;
            text-align: center;
            margin-bottom: 3rem;
            color: var(--gray);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== LAYOUT & CONTAINERS ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .text-center {
            text-align: center;
        }

        .margin-top-lg {
            margin-top: 60px;
        }

        .margin-bottom-lg {
            margin-bottom: 60px;
        }

        .margin-top-md {
            margin-top: 40px;
        }

        .margin-bottom-md {
            margin-bottom: 40px;
        }
        .margin-top-sm {
            margin-top: 20px;
        }
        .margin-bottom-sm {
            margin-bottom: 20px;
        }

        /* navbar css */
        /* ===== HEADER & NAVIGATION ===== */
        .new-header {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--glass-border);
            transition: all 0.3s ease;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
            height: 70px;
        }

        .logo-container {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .logo {
            height: 50px;
            width: 50px;
            border-radius: 50%;
            margin-right: 10px;
            box-shadow: var(--glass-shadow);
            transition: all 0.3s ease;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            margin-left: 10px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            position: relative;
        }

        .logo-text::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }

        .logo-container:hover .logo-text::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
            align-items: center;
            margin: 10px;
            padding: 10px 20px;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 16px;
            transition: all 0.3s ease;
            position: relative;
            padding: 8px 0;
        }

        .nav-menu a:hover {
            color: #6e45e2;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }

        .nav-menu a:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .nav-menu a.active {
            color: #6e45e2;
            background: var(--glass-bg);
            border-radius: 8px;
            padding: 8px 16px;
            backdrop-filter: blur(5px);
            border: 1px solid var(--glass-border);
            box-shadow: var(--glass-shadow);
        }

        /* Dropdown Menu */
        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown .dropdown-toggle {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-dropdown .dropdown-toggle::after {
            content: '▼';
            font-size: 0.6em;
            transition: transform 0.3s;
        }

        .nav-dropdown:hover .dropdown-toggle::after {
            transform: rotate(180deg);
        }

        .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: var(--glass-shadow);
            border-radius: 10px;
            min-width: 180px;
            z-index: 1000;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .nav-dropdown:hover .dropdown-menu {
            display: block;
            animation: fadeIn 0.3s ease forwards;
            
        }

        .dropdown-menu a {
            display: block;
            padding: 10px 15px;
            color: var(--dark);
            text-decoration: none;
            font-size: 14px;
            transition: background 0.3s, color 0.3s;
        }

        .dropdown-menu a:hover {
            background: var(--primary-gradient);
            color: rgb(203, 116, 116);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .login-btn {
            color: #6e45e2;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 15px;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .login-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(110, 69, 226, 0.1);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
            z-index: -1;
        }

        .login-btn:hover::before {
            transform: scaleX(1);
            transform-origin: left;
        }

        .signup-btn {
            background: var(--primary-gradient);
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 10px 20px;
            border-radius: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
        }

        .signup-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }

        .signup-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(110, 69, 226, 0.4);
        }

        .signup-btn:hover::before {
            opacity: 1;
        }

        /* Hamburger Menu (Mobile) */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 25px;
            height: 20px;
            cursor: pointer;
            z-index: 1001;
            margin-right: 10px;
            background: transparent;
            color: var(--glass-border);
        }

        .hamburger .bar {
            height: 3px;
            width: 100%;
            background: var(--dark);
            border-radius: 2px;
            transition: all 0.3s ease;
            color: var(--dark);

        }

        .hamburger.active .bar:nth-child(1) {
            transform: translateY(8px) rotate(45deg);

        }

        .hamburger.active .bar:nth-child(2) {
            opacity: 0;

        }

        .hamburger.active .bar:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
            
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            height: calc(100vh - 80px);
            background: linear-gradient(90deg, #f4f6f8 0%, #e1dfe8 50%, #e7eef0 100%);
            padding: 20px;
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            z-index: 999;
            overflow-y: auto;
        }

        .mobile-menu.active {
            display: block;
            padding: 20px;
            border-radius: 8px;
            backdrop-filter: blur(5px);
            animation: slideDown 0.3s ease forwards;
            color: var(--primary-gradient);
            box-shadow: 0 4px 16px rgba(0,0,0,0.10);
        }

        .mobile-nav {
            list-style: none;
            padding: 20px;
            margin: 0;
            border-radius: 8px;
            background: rgba(110, 69, 226, 0.1);
            backdrop-filter: blur(5px);
            box-shadow: 0 4px 16px rgba(0,0,0,0.10);
            margin-bottom: 30px;
        }

        .mobile-nav li {
            margin-bottom: 15px;
            padding: 10px 0;
            color: #318dd8;
            border-bottom: 1px solid #eee;
            border-radius: 8px;
            background: rgba(110, 69, 226, 0.1);
        }

        .mobile-nav a {
            text-decoration: none;
            color: #318dd8;
            font-size: 18px;
            font-weight: 500;
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }

        .mobile-nav a:hover {
            color: #6e45e2;
            background: rgba(110, 69, 226, 0.1);
            backdrop-filter: blur(5px);
            border-radius: 8px;
        }

        .mobile-actions {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 40px;
        }

        .mobile-actions .login-btn,
        .mobile-actions .signup-btn {
            text-align: center;
            width: 100%;
            padding: 12px 0;
            border-radius: 8px;
            font-size: 18px;
        }
        /* Animation for mobile menu */
        @keyframes slideDown {
            0% {
                opacity: 0;
                transform: translateY(-20px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            
            .hamburger {
                display: flex;
            }
        }

        /* ===== BUTTONS ===== */
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
            color: white;
            border: none;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 4px 15px rgba(100, 73, 175, 0.3);
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(110, 69, 226, 0.4);
        }

        .btn:hover::before {
            opacity: 1;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: var(--primary-gradient);
            color: white;
            box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
        }

        .details-btn, .enroll-btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
            color: white(23, 22, 22);
            border: none;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
            overflow: hidden;
            z-index: 1;
            box-shadow: 0 4px 15px rgba(63, 9, 212, 0.3);
        }

        .details-btn::before, .enroll-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }

        .details-btn:hover, .enroll-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(177, 153, 241, 0.4);
        }

        .details-btn:hover::before, .enroll-btn:hover::before {
            opacity: 1;
        }
        
        /* Search and Filter - ENHANCED */
        .courses-filter {
            max-width: 1200px;
            margin: 0 auto 40px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .search-box {
            position: relative;
        }
        
        .search-box input {
            width: 100%;
            padding: 15px 25px 15px 45px;
            border: none;
            border-radius: 30px;
            font-size: 16px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(5px);
            color: #fff;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .search-box input:focus {
            outline: none;
            box-shadow: 0 4px 15px rgba(79, 195, 247, 0.4);
        }
        
        .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.7);
        }
        
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .category-filter-container {
            position: relative;
            overflow: hidden;
        }
        
        .category-filter-scroll {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 10px 5px;
            scrollbar-width: none; /* Firefox */
            -ms-overflow-style: none; /* IE and Edge */
        }
        
        .category-filter-scroll::-webkit-scrollbar {
            display: none; /* Chrome, Safari and Opera */
        }
        
        .category-btn {
            padding: 10px 20px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s;
            color: #fff;
            backdrop-filter: blur(5px);
            white-space: nowrap;
            flex-shrink: 0;
        }
        
        .category-btn.active, .category-btn:hover {
            background: #4fc3f7;
            color: #fff;
            border-color: #4fc3f7;
            box-shadow: 0 4px 15px rgba(79, 195, 247, 0.4);
        }
        
        .filter-results {
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            margin-top: 10px;
            display: none;
        }
        
        .filter-results.show {
            display: block;
        }
        
        /* Courses Container */
        .courses-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            padding: 20px;
            max-width: 1200px;
            margin: 0 auto 60px;
        }
        
        .course-card {
            background: rgba(244, 243, 243, 0);
            color: white;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(217, 193, 193, 0.2);
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            position: relative;
            
        }
        
        .course-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(242, 188, 188, 0.1), transparent);
            transform: rotate(45deg);
            transition: all 0.5s ease;
            z-index: 1;
        }
        
        .course-card:hover::before {
            animation: shine 1.5s forwards;
        }
        
        @keyframes shine {
            0% {
                left: -50%;
            }
            100% {
                left: 100%;
            }
        }
        
        .course-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3), 0 0 50px rgba(79, 195, 247, 0.2);
            border-color: rgba(79, 195, 247, 0.5);
        }
        
        .course-image {
            width: 100%;
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .course-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .course-card:hover img {
            transform: scale(1.05);
        }
        
        .course-category {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(23, 152, 212, 0.8);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
        }
        
        .course-card-content {
            padding: 25px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            position: relative;
            z-index: 2;
           
        }
        
        .course-card-content h2 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: #fff;
            line-height: 1.3;
        }
        
        .course-card-content p {
            color: rgba(255, 255, 255, 0);
            margin-bottom: 25px;
            line-height: 1.6;
            flex-grow: 1;
        }
        
        .course-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .course-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .details-btn {
            display: inline-block;
            padding: 12px 25px;
            background: rgba(79, 195, 247, 0.2);
            color: #4fc3f7;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s;
            text-align: center;
            border: 1px solid rgba(79, 195, 247, 0.3);
        }
        
        .details-btn:hover {
            background: #4fc3f7;
            color: #fff;
            box-shadow: 0 5px 15px rgba(79, 195, 247, 0.4);
        }
        
        /* No results message */
        .no-results {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            backdrop-filter: blur(10px);
            display: none;
        }
        
        .no-results.show {
            display: block;
        }
        
        .no-results h3 {
            color: #fff;
            margin-bottom: 15px;
        }
        
        .no-results p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }
        
        /* Crystal Shine Effects */
        .crystal-shine {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: var(--crystal-shadow);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .crystal-shine::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255, 255, 255, 0) 0%,
                rgba(255, 255, 255, 0) 40%,
                rgba(255, 255, 255, 0.2) 45%,
                rgba(255, 255, 255, 0.4) 50%,
                rgba(255, 255, 255, 0.2) 55%,
                rgba(255, 255, 255, 0) 60%,
                rgba(255, 255, 255, 0) 100%
            );
            transform: rotate(30deg);
            transition: all 0.5s ease;
            opacity: 0;
            pointer-events: none;
            z-index: 2;
        }

        .crystal-shine:hover::after {
            opacity: 1;
            top: -30%;
            left: -30%;
        }
        
        /* Footer Styles */
        .site-footer {
            background: linear-gradient(135deg, #79b5f0 0%, #6a24ec 50%, #5a8d80 100%);
            backdrop-filter: blur(10px);
            color: #ecf0f1;
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .footer-col {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-logo {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .footer-logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .footer-logo h3 {
            color: #fff;
            font-size: 1.5rem;
        }
        
        .footer-description {
            margin-bottom: 25px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.8);
        }
        
        .footer-social h4 {
            margin-bottom: 15px;
            color: #fff;
        }
        
        .social-icons {
            display: flex;
            gap: 15px;
        }
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: #fff;
            transition: all 0.3s;
            text-decoration: none;
        }
        
        .social-icons a:hover {
            background: #4fc3f7;
            transform: translateY(-3px);
        }
        
        .footer-col h3 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        
        .footer-col ul {
            list-style: none;
        }
        
        .footer-col ul li {
            margin-bottom: 12px;
        }
        
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-col ul li a:hover {
            color: #4fc3f7;
        }
        
        .contact-info .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: rgba(255, 255, 255, 0.8);
        }
        
        .contact-info .contact-item svg {
            margin-right: 10px;
            color: #4fc3f7;
            width: 20px;
            flex-shrink: 0;
        }
        
        .contact-info .contact-item span a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .contact-info .contact-item span a:hover {
            color: #4fc3f7;
        }
        
        .newsletter p {
            margin-bottom: 15px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.8);
        }
        
        .newsletter-form {
            display: flex;
            gap: 10px;
        }
        
        .newsletter-form input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        
        .newsletter-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        
        .newsletter-form button {
            background: #4fc3f7;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .newsletter-form button:hover {
            background: #29b6f6;
        }
        
        .footer-bottom {
            background:linear-gradient(135deg, #1b538a 0%, #6a24ec 50%, #5a8d80 100%);
            padding: 20px 0;
            margin-top: 40px;
        }
        
        .footer-bottom-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .copyright {
            color: rgba(255, 255, 255, 0.7);
        }
        
        .legal-links {
            display: flex;
            gap: 20px;
        }
        
        .legal-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .legal-links a:hover {
            color: #4fc3f7;
        }
        
        /* Toast notifications */
        .toast {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: linear-gradient(135deg, #1b538a 0%, #6a24ec 50%, #5a8d80 100%);
            backdrop-filter: blur(10px);
            color: white;
            padding: 15px 25px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            z-index: 1000;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .toast.show {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Loading spinner */
        .loader {
            display: none;
            border: 5px solid rgba(255, 255, 255, 0.1);
            border-top: 5px solid #4fc3f7;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 9999;
        }
        
        @keyframes spin {
            0% { transform: translate(-50%, -50%) rotate(0deg); }
            100% { transform: translate(-50%, -50%) rotate(360deg); }
        }
        
        /* Back to top button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: rgba(79, 195, 247, 0.8);
            backdrop-filter: blur(5px);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.3s ease;
            z-index: 99;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .back-to-top.show {
            opacity: 1;
            transform: translateY(0);
        }
        
        .back-to-top:hover {
            background: #4fc3f7;
            transform: translateY(-5px);
        }
        
        /* Responsive styles */
        @media (max-width: 992px) {
            .nav-menu {
                gap: 15px;
            }
            
            .slide-content h2 {
                font-size: 2.5rem;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                text-align: center;
                gap: 15px;
            }
            
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .hamburger {
                display: flex;
                position: absolute;
                right: 20px;
                top: 20px;
            }
            
            .mobile-menu {
                display: none;
                background: rgba(15, 23, 42, 0.95);
                backdrop-filter: blur(10px);
                padding: 20px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }
            
            .mobile-nav {
                list-style: none;
                display: flex;
                flex-direction: column;
                gap: 15px;
            }
            
            .mobile-nav a {
                color: #fff;
                text-decoration: none;
                font-weight: 500;
                display: block;
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            
            .head-banner-content h2 {
                font-size: 2rem;
            }
            
            .head-banner-content p {
                font-size: 1rem;
            }
            
            .courses-filter {
                flex-direction: column;
                align-items: stretch;
            }
            
            .footer-bottom-content {
                flex-direction: column;
                text-align: center;
            }
            
            .slide-content h2 {
                font-size: 2rem;
            }
            
            .courses-container {
                grid-template-columns: 1fr;
            }
            
            .category-filter-scroll {
                padding-bottom: 15px;
            }
            
            .category-btn {
                padding: 8px 16px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            .course-card {
                margin: 0 10px;
            }
            
            .course-card-content {
                padding: 20px;
            }
            
            .course-card-content h2 {
                font-size: 1.3rem;
            }
            
            .course-meta {
                flex-direction: column;
                gap: 8px;
            }
        }
        /* Reset some default styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1b538a 0%, #6a24ec 50%, #5a8d80 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        img {
            max-width: 100%;
            display: block;
        }

        /* Header Styles */
        :root {
            --primary: #4fc3f7;
            --primary-gradient: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
            --dark: #1f2937;
            --light: #f4f6f8;
            --crystal-shadow: 0 4px 30px rgba(255, 255, 255, 0.1);
        }
        .new-header {
            background: linear-gradient(90deg, #f4f6f8 0%, #e1dfe8 50%, #e7eef0 100%);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 1000;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo {
            height: 50px;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: bold;
            color: #318dd8;
            line-height: 1.2;
        }
        .nav-menu {
            list-style: none;
            display: flex;
            gap: 25px;
        }
        .nav-menu li a {
            color: #318dd8;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .nav-menu li a:hover,
        .nav-menu li a.active {
            background: rgba(110, 69, 226, 0.1);
            color: #6e45e2;
            box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            padding: 10px;
            border-radius: 8px;
            transition: background 0.3s ease;
            color: #2563eb;

        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: #318dd8;
            border-radius: 2px;
            transition: all 0.3s ease;
            
        }
        .mobile-menu {
            display: none;
            background: linear-gradient(90deg, #f4f6f8 0%, #e1dfe8 50%, #e7eef0 100%);
            backdrop-filter: blur(10px);
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            animation: slideDown 0.3s ease forwards;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            max-width: 1200px;
            margin: 0 auto;
            border-radius: 0 0 15px 15px;
            margin-bottom: 10px;
            z-index: 999;
            position: relative;
            margin-top: -10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
            
        }
        .mobile-nav {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav li {
            border-bottom: 1px solid #eee;
        }
        .mobile-nav li a {
            color: #318dd8;
            font-weight: 500;
        }
        .mobile-nav li a:hover,
        .mobile-nav li a.active {
            color: #6e45e2;
            background: rgba(110, 69, 226, 0.1);
            backdrop-filter: blur(5px);
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
            padding: 8px 12px;
        }
        .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }
        .mobile-actions a {
            background: #6e45e2;
            color: white;
            font-weight: 600;
            padding: 12px 0;
            text-align: center;
            border-radius: 8px;
            font-size: 18px;
            box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
            transition: all 0.3s ease;
        }
        .mobile-actions a:hover {
            background: #88d3ce;
            color: #1f2937;
            box-shadow: 0 6px 20px rgba(136, 211, 206, 0.4);
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu.show {
                display: block;
            }
        }
/* ===== BASE STYLES & RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #7e22ce;
    --accent: #06b6d4;
    --light: #f8fafc;
    --dark: #0f172a;
    --gray: #64748b;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Crystal Glass Effect Variables */
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --crystal-shadow: 0 0 20px rgba(110, 69, 226, 0.3);
    
    /* Gradient Variables */
    --primary-gradient: linear-gradient(135deg, #26194b 0%, #4b7875 100%);
    --secondary-gradient: linear-gradient(135deg, #ff7e5f 0%, #feb47b 100%);
    --header-gradient: linear-gradient(90deg, #f9f9fa, #e5f6f5);
    --footer-gradient: linear-gradient(to right, #4d6883, #4a6580);
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, #9c4041 0%, #4c8a96 50%, #6034c7 100%);
    color: rgb(0, 0, 0);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(110, 69, 226, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(136, 211, 206, 0.05) 0%, transparent 20%);
    pointer-events: none;
    z-index: -1;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: 2.8rem;
    text-align: center;
    margin: 40px 0;
    text-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: relative;
    padding-bottom: 15px;
}

h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

h2 {
    font-size: 2.2rem;
    color: var(--dark);
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 1rem;
}

.section-title {
    color: var(--primary);
    margin: 40px 0 20px;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-gradient);
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--gray);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== LAYOUT & CONTAINERS ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.margin-top-lg {
    margin-top: 60px;
}

.margin-bottom-lg {
    margin-bottom: 60px;
}

.margin-top-md {
    margin-top: 40px;
}

/* ===== HEADER & NAVIGATION ===== */
.new-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 70px;
}

.logo-container {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    transition: all 0.3s ease;
}

.logo {
    height: 50px;
    width: 50px;
    border-radius: 50%;
    margin-right: 10px;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s ease;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 18px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    margin-left: 10px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
}

.logo-text::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.logo-container:hover .logo-text::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
    margin: 10px;
    padding: 10px 20px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-menu a:hover {
    color: #6e45e2;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-menu a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu a.active {
    color: #6e45e2;
    background: var(--glass-bg);
    border-radius: 8px;
    padding: 8px 16px;
    backdrop-filter: blur(5px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.nav-dropdown .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-dropdown .dropdown-toggle::after {
    content: '▼';
    font-size: 0.6em;
    transition: transform 0.3s;
}

.nav-dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--glass-shadow);
    border-radius: 10px;
    min-width: 180px;
    z-index: 1000;
    overflow: hidden;
    transition: all 0.3s ease;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 10px 15px;
    color: var(--dark);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.3s, color 0.3s;
}

.dropdown-menu a:hover {
    background: var(--primary-gradient);
    color: white;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.login-btn {
    color: #6e45e2;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(110, 69, 226, 0.1);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    z-index: -1;
}

.login-btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.signup-btn {
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
}

.signup-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.signup-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(110, 69, 226, 0.4);
}

.signup-btn:hover::before {
    opacity: 1;
}

/* Hamburger Menu (Mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
    color: rgb(59, 152, 223); 
      

}

.hamburger .bar {
    height: 3px;
    width: 100%;
    background: rgb(59, 152, 223);
    border-radius: 2px;
    transition: all 0.3s ease;

}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: linear-gradient(90deg, #f4f6f8 0%, #e1dfe8 50%, #e7eef0 100%);
    padding: 20px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    overflow-y: auto;
    transform: translateY(-100%);

}

.mobile-menu.active {
    display: block;
    padding: 20px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    animation: slideDown 0.3s ease forwards;
    color: var(--primary-gradient);
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    
}

.mobile-nav {
    list-style: none;
    padding: 20px;
    margin: 0;
    border-radius: 8px;
    background: rgba(145, 109, 245, 0.1);
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 16px rgba(57, 73, 222, 0.1);
    margin-bottom: 30px;

}

.mobile-nav li {
    margin-bottom: 15px;
    padding: 10px 0;
    color: #318dd8;
    border-bottom: 1px solid #eee;
    border-radius: 8px;
    background: rgba(110, 69, 226, 0.1);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;

}

.mobile-nav a {
    text-decoration: green;
    color: #318dd8;
    font-size: 18px;
    font-weight: 500;
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 10px 15px;
    background: rgba(110, 69, 226, 0.05);
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 16px rgba(57, 73, 222, 0.1);

}

.mobile-nav a:hover {
    color: #6e45e2;
    background: rgba(110, 69, 226, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(57, 73, 222, 0.2);

}

.mobile-actions {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
    
}

.mobile-actions .login-btn,
.mobile-actions .signup-btn {
    text-align: center;
    width: 100%;
    padding: 12px 0;
    border-radius: 8px;
    font-size: 18px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(110, 69, 226, 0.4);
}

.btn:hover::before {
    opacity: 1;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.details-btn, .enroll-btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
}

.details-btn::before, .enroll-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #88d3ce 0%, #6e45e2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.details-btn:hover, .enroll-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(110, 69, 226, 0.4);
}

.details-btn:hover::before, .enroll-btn:hover::before {
    opacity: 1;
}

/* ===== CRYSTAL CARDS ===== */
.courses-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 30px;
}

.course-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    color: var(--dark);
    text-align: center;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.course-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(110, 69, 226, 0.2);
}

.course-card:hover::before {
    opacity: 0.05;
}

.course-title {
    font-size: 22px;
    font-weight: bold;
    background: linear-gradient(135deg, #ffffff 0%, #cceee1 50%, #448677 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(110, 69, 226, 0.2);
}

.course-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

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

.course-card-content {
    padding: 22px 18px 18px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card h2 {
    margin: 0 0 10px 0;
    font-size: 1.25em;
    background: linear-gradient(135deg, #e4ebf3 0%, #d7f9ec 50%, #f9fbfb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
}

.course-card p {
    margin: 0 0 14px 0;
    color: black;
    font-size: 1em;
    flex: 1;
    line-height: 1.5;
}

/* Crystal Shine Effects */
.crystal-shine {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--crystal-shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.crystal-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0) 40%,
        rgba(255, 255, 255, 0.2) 45%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0.2) 55%,
        rgba(255, 255, 255, 0) 60%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    transition: all 0.5s ease;
    opacity: 0;
    pointer-events: none;
    z-index: 2;
}

.crystal-shine:hover::after {
    opacity: 1;
    top: -30%;
    left: -30%;
}

/* ===== BANNER & HERO SECTIONS ===== */
.site-head-banner {
    position: relative;
    width: 100%;
    min-height: 400px;
    background: url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?auto=format&fit=crop&w=1200&q=80') center center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 20px;
    margin: 30px auto;
    max-width: 1200px;
}

.site-head-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(110, 69, 226, 0.7) 0%, rgba(136, 211, 206, 0.5) 60%, rgba(255, 126, 95, 0.5) 100%);
    z-index: 1;
    animation: bannerMove 12s linear infinite;
}

@keyframes bannerMove {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.head-banner-content {
    position: relative;
    z-index: 2;
    color: #fff;
    text-align: center;
    padding: 40px 20px;
    background: rgba(10, 10, 26, 0.6);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 80%;
}

.head-banner-content h2 {
    font-size: 2.8em;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 1px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
    background: linear-gradient(45deg, #fff, #e0f7fa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.head-banner-content p {
    font-size: 1.2em;
    font-weight: 400;
    margin-bottom: 0;
    text-shadow: 0 1px 4px rgba(0,0,0,0.15);
    line-height: 1.6;
}

/* Banner Carousel */
.banner-carousel {
    position: relative;
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.carousel-slides {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
}

.slide-content {
    text-align: center;
    background: rgba(10, 10, 26, 0.85);
    padding: 30px;
    border-radius: 12px;
    max-width: 80%;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(110, 69, 226, 0.3);
}

.slide-content h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(45deg, #6e45e2, #88d3ce);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.slide-content p {
    font-size: 1.2rem;
    color: #c2c2d6;
    margin-bottom: 20px;
}

.carousel-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}

.carousel-dot.active {
    background: #6e45e2;
    transform: scale(1.2);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 10, 26, 0.7);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background 0.3s;
    z-index: 10;
}

.carousel-arrow:hover {
    background: rgba(110, 69, 226, 0.7);
}

.carousel-arrow.prev {
    left: 20px;
}

.carousel-arrow.next {
    right: 20px;
}

/* ===== FOOTER ===== */
.site-footer {
    background: linear-gradient(to right, #2c3e50, #4a6580);
    color: #fff;
    padding: 50px 0 0;
    margin-top: 80px;
    font-size: 14px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.1);
    border-top: 1px solid var(--glass-border);
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, #4d6883, #4a6580);
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.footer-col {
    margin-bottom: 30px;
    background: linear-gradient(to right, #4d6883, #4a6580);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
}

.footer-logo img {
    height: 80px;
    margin-right: 5px;
}

.footer-logo h3 {
    font-size: 18px;
    margin: 0;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-description {
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.9;
    text-align: center;
}

.footer-social h4 {
    margin-bottom: 15px;
    font-size: 16px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icons a:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(110, 69, 226, 0.4);
}

.footer-col h3 {
    font-size: 18px;
    font-weight: 600;
    color: #ff7e5f;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(to right, #4d6883, #4a6580);
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.footer-col ul li:hover {
    transform: translateX(5px);
}

.footer-col ul li a {
    color: #fff;
    opacity: 0.9;
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    padding: 5px 0;
}

.footer-col ul li a:hover {
    opacity: 1;
    color: #88d3ce;
    padding-left: 10px;
}

.contact-info {
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-item svg {
    margin-right: 10px;
    opacity: 0.9;
}

.contact-item span a {
    color: #fff;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.contact-item span a:hover {
    opacity: 1;
    color: #88d3ce;
}

.newsletter h4 {
    margin-bottom: 15px;
    font-size: 16px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.newsletter-form input {
    padding: 12px 15px;
    border: none;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: #6e45e2;
    box-shadow: 0 0 0 2px rgba(110, 69, 226, 0.2);
}

.newsletter-form button {
    padding: 12px 15px;
    border: none;
    border-radius: 5px;
    background:linear-gradient(to right, #4d6883, #4a6580);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
}

.newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(110, 69, 226, 0.4);
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
    margin-top: 30px;
    backdrop-filter: blur(5px);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a {
    color: #fff;
    opacity: 0.8;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.legal-links a:hover {
    opacity: 1;
    color: #88d3ce;
}

.copyright {
    opacity: 0.8;
    font-size: 14px;
}

/* ===== UTILITY CLASSES ===== */
/* Form enhancements */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.error-message {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: 0.3rem;
    display: block;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--error);
}

/* Notification system */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    color: white;
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification.success {
    background: var(--success);
}

.notification.error {
    background: var(--error);
}

.notification.info {
    background: var(--info);
}

   #back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
    border: none;
}

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

#back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(110, 69, 226, 0.4);
}

#back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .courses-container {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
        padding: 0 20px;
    }
    
    .banner-carousel {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 15px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .header-actions {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    h1 {
        font-size: 2.2rem;
        margin: 30px 0;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .courses-container {
        grid-template-columns: 1fr;
        max-width: 500px;
        gap: 20px;
    }
    
    .course-card {
        margin-bottom: 15px;
    }
    
    .banner-carousel {
        height: 350px;
    }
    
    .slide-content {
        padding: 20px;
        max-width: 90%;
    }
    
    .slide-content h2 {
        font-size: 1.8rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .carousel-arrow {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
    
    #back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .header-container {
        height: 60px;
    }
    
    .logo {
        height: 40px;
        width: 40px;
        font-size: 16px;
    }
    
    .logo-text {
        font-size: 18px;
    }
    
    h1 {
        font-size: 2rem;
        padding: 0 10px;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .courses-container {
        padding: 0 15px;
    }
    
    .banner-carousel {
        height: 300px;
        border-radius: 8px;
    }
    
    .slide-content {
        padding: 15px;
    }
    
    .slide-content h2 {
        font-size: 1.5rem;
    }
    
    .btn, .details-btn, .enroll-btn {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .footer-col {
        padding: 15px;
    }
    
    .footer-col h3 {
        font-size: 16px;
    }
    
    #back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
    
    #back-to-top svg {
        width: 20px;
        height: 20px;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    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 pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

.pulse {
    animation: pulse 2s infinite;
}

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

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary: #0000ff;
        --primary-dark: #0000cc;
        --secondary: #800080;
        --accent: #008080;
        --light: #ffffff;
        --dark: #000000;
        --gray: #666666;
    }
    
    .course-card {
        border: 2px solid var(--dark);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --light: #0f172a;
        --dark: #f8fafc;
        --gray: #cbd5e1;
        --glass-bg: rgba(15, 23, 42, 0.8);
        --glass-border: rgba(255, 255, 255, 0.1);
    }
    
    body {
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
        color: #e2e8f0;
    }
    
    .new-header {
        background: rgba(15, 23, 42, 0.8);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu a {
        color: #e2e8f0;
    }
    
    .course-card {
        color: #e2e8f0;
    }
    
    .course-card p {
        color: #cbd5e1;
    }
}

/* Print styles */
@media print {
    .new-header,
    .banner-carousel,
    .footer-bottom,
    #back-to-top {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .course-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    .btn, .details-btn, .enroll-btn {
        display: none !important;
    }
    
    a {
        text-decoration: underline !important;
        color: #000 !important;
    }
    
    .site-footer {
        background: white !important;
        color: black !important;
        border-top: 1px solid #000;
    }
    
    .footer-col {
        background: white !important;
        border: 1px solid #ddd !important;
    }
    
    .footer-col h3 {
        color: black !important;
    }
    
    .footer-col ul li a {
        color: black !important;
    }
}
