        /* Global Styles */
        :root {
            --primary: #2563eb;
            --secondary: #3b82f6;
            --accent: #f59e0b;
            --dark: #1e293b;
            --light: #f8fafc;
            --gray: #64748b;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container-fluid {
            width:90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-accent {
            background: var(--accent);
        }
        
        .btn-accent:hover {
            background: #e69008;
        }
        
        .section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            font-size: 2.5rem;
            color: var(--dark);
        }
        
        .section-title span {
            color: var(--primary);
        }
        
        /* Header Styles */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }
        
        nav {
            border-bottom:4px solid #ff9933;
        }
        
     /*   .logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }
        
        .logo {
            margin-right: 10px;
            color: var(--accent);
        }*/
        
     /*   .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }*/
        
       /* .auth-buttons {
            display: flex;
            align-items: center;
        }
        */
     /*   .auth-buttons a {
            margin-left: 15px;
        }
        
        .auth-buttons .login {
            color: var(--primary);
            font-weight: 600;
        }
        */
        /* Hero Section */
        .hero {
            padding:150px 0 100px;
            background: linear-gradient(135deg, #f6f9ff 0%, #e9f2ff 100%);
        }
        
        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .hero-text {
            flex:1;
            padding-right:30px;
             max-width:40%;
        }
        
        .hero-text h2 {
            font-size:2.5rem;
            margin-bottom:20px;
            color: var(--dark);
        }
        
        .hero-text h1 span {
            color: var(--primary);
        }
        
        .hero-text p {
            font-size:1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
        }
        
        .hero-buttons {
            display: flex;
            gap:15px;
        }
        
        .hero-image {
            flex:1;
            text-align: center;
            max-width:60%;
        }
        
        .hero-image img {
            max-width:100%;
            border-radius:10px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            height:500px;
        }
        
        /* Courses Section */
        .courses {
            background-color:white;
        }
        
        .course-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .course-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .course-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .course-image {
            height: 200px;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2.5rem;
        }
        
        .course-content {
            padding: 20px;
        }
        
        .course-content h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }
        
        .course-content p {
            color: var(--gray);
            margin-bottom: 15px;
        }
        
        .course-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        /* Features Section */
        .features {
            background: linear-gradient(135deg, #f6f9ff 0%, #e9f2ff 100%);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .feature-item {
            text-align: center;
            padding: 30px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .feature-item h3 {
            margin-bottom: 15px;
        }
        
        /* Testimonials */
        .testimonials {
            background-color: white;
        }
        
        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .testimonial-card {
            background: var(--light);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
            color: var(--gray);
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            margin-right: 15px;
        }
        
        /* CTA Section */
        .cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--accent);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-column a:hover {
            color: white;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: background 0.3s ease;
        }
        
        .social-links a:hover {
            background: var(--primary);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #94a3b8;
            font-size: 0.9rem;
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
            }
            
            .hero-text, .hero-image {
                padding: 0;
                text-align: center;
            }
            
            .hero-text {
                margin-bottom: 40px;
            }
            
            .hero-buttons {
                justify-content: center;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .hero-text h2 {
                font-size: 2.5rem;
            }

            .hero-image {
            flex: 1;
            text-align:center;
            max-width:100%;
        }
        
            .hero-image img {
                max-width: 100%;
                border-radius:10px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                height:500px;
            }
            .hero-text {
            flex: 1;
            padding-right:30px;
            max-width:100%;
        }
        
            .hero-text h2 {
                font-size: 3.5rem;
                margin-bottom: 20px;
                color: var(--dark);
            }
        }