:root {
            --primary-color: #6e45e2;
            --secondary-color: #88d3ce;
            --dark-bg: #121212;
            --darker-bg: #0a0a0a;
            --card-bg: #1e1e1e;
            --text-color: #ffffff;
            --text-muted: #b3b3b3;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-color);
            overflow-x: hidden;
        }
        
        /* Navigation */
        .navbar {
            background-color: var(--darker-bg) !important;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        
        .navbar-brand span {
            color: var(--secondary-color);
        }
        
        .nav-link {
            color: var(--text-color) !important;
            font-weight: 500;
            margin: 0 10px;
            position: relative;
        }
        
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
        }
        
        .mobile-menu {
            position: fixed;
            top: 0;
            left: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background-color: var(--darker-bg);
            z-index: 1000;
            padding: 20px;
            transition: left 0.3s ease;
            box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
        }
        
        .mobile-menu.active {
            left: 0;
        }
        
        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .close-mobile-menu {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
        }
        
        .mobile-nav-item {
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .mobile-nav-link {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
        }
        
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 999;
            display: none;
        }
        
        .overlay.active {
            display: block;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--darker-bg) 0%, #1a1a2e 100%);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(110, 69, 226, 0.1) 0%, transparent 70%);
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: var(--text-muted);
            max-width: 600px;
        }
        
        .cta-button {
            background: linear-gradient(45deg, var(--primary-color), #7e57c2);
            border: none;
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(110, 69, 226, 0.4);
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(110, 69, 226, 0.6);
            color: white;
        }
        
        /* About Section */
        .about {
            padding: 80px 0;
            background-color: var(--darker-bg);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-color);
        }
        
        .section-title p {
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--secondary-color);
        }
        
        .about-text p {
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        .about-image {
            flex: 1;
            text-align: center;
        }
        
        .about-image img {
            max-width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        
        /* Courses Section */
        .courses {
            padding: 80px 0;
            background-color: var(--dark-bg);
        }
        
        .course-card {
            background-color: var(--card-bg);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
        }
        
        .course-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }
        
        .course-img {
            height: 200px;
            overflow: hidden;
        }
        
        .course-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .course-card:hover .course-img img {
            transform: scale(1.1);
        }
        
        .course-body {
            padding: 20px;
        }
        
        .course-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-color);
        }
        
        .course-description {
            color: var(--text-muted);
            margin-bottom: 15px;
            font-size: 0.9rem;
        }
        
        .course-price {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        
        .enroll-btn {
            background-color: var(--primary-color);
            border: none;
            color: white;
            padding: 8px 20px;
            border-radius: 5px;
            font-weight: 500;
            transition: all 0.3s ease;
            width: 100%;
        }
        
        .enroll-btn:hover {
            background-color: #5d34c7;
        }
        
        /* Footer */
        footer {
            background-color: var(--darker-bg);
            padding: 60px 0 20px;
            color: var(--text-color);
        }
        
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 20px;
            display: inline-block;
        }
        
        .footer-logo span {
            color: var(--secondary-color);
        }
        
        .footer-about p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-icons a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        
        .footer-links h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--text-color);
        }
        
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
        }
        
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        
        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .fade-in {
            animation: fadeIn 1s ease forwards;
        }
        
        .delay-1 {
            animation-delay: 0.2s;
        }
        
        .delay-2 {
            animation-delay: 0.4s;
        }
        
        .delay-3 {
            animation-delay: 0.6s;
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .about-content {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            .desktop-menu {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 576px) {
            .hero {
                padding: 80px 0;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .cta-button {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }