:root {
            --primary-indigo: #5c6bc0;
            --primary-purple: #7e57c2;
            --accent-yellow: #ffca28;
            --dark-bg: #1a1a2e;
            --light-gray: #f8f9fa;
            --gradient-primary: linear-gradient(135deg, #5c6bc0 0%, #7e57c2 100%);
            --gradient-hero: linear-gradient(135deg, rgba(92,107,192,0.95) 0%, rgba(126,87,194,0.95) 100%);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', sans-serif;
            overflow-x: hidden;
        }

        /* Navbar Styles */
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            padding: 1rem 0;
        }

            .navbar.scrolled {
                padding: 0.5rem 0;
                background: rgba(255, 255, 255, 0.98);
            }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform 0.3s ease;
        }

            .navbar-brand:hover {
                transform: scale(1.05);
            }

        .nav-link {
            font-weight: 500;
            color: #333 !important;
            margin: 0 0.5rem;
            position: relative;
            transition: color 0.3s ease;
        }

            .nav-link::after {
                content: '';
                position: absolute;
                bottom: -5px;
                left: 50%;
                width: 0;
                height: 3px;
                background: var(--gradient-primary);
                transition: all 0.3s ease;
                transform: translateX(-50%);
            }

            .nav-link:hover::after {
                width: 100%;
            }

            .nav-link:hover {
                color: var(--primary-indigo) !important;
            }

        .btn-login, .btn-register {
            padding: 0.5rem 1.5rem;
            border-radius: 25px;
            font-weight: 500;
            transition: all 0.3s ease;
            margin-left: 0.5rem;
        }

        .btn-login {
            background: transparent;
            color: var(--primary-indigo);
            border: 2px solid var(--primary-indigo);
        }

            .btn-login:hover {
                background: var(--primary-indigo);
                color: white;
                transform: translateY(-2px);
                box-shadow: 0 5px 15px rgba(92,107,192,0.3);
            }

        .btn-register {
            background: var(--gradient-primary);
            color: white;
            border: none;
        }

            .btn-register:hover {
                transform: translateY(-2px);
                box-shadow: 0 5px 20px rgba(126,87,194,0.4);
            }

        /* Hero Section */
        .hero-section {
            min-height: 100vh;
            background: var(--gradient-hero), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,138.7C672,149,768,203,864,213.3C960,224,1056,192,1152,176C1248,160,1344,160,1392,160L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>'), linear-gradient(135deg, #5c6bc0 0%, #7e57c2 100%);
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: rgba(255,255,255,0.9);
            margin-bottom: 2rem;
            font-weight: 300;
        }

        .hero-btn {
            padding: 1rem 2.5rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            margin: 0.5rem;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary-hero {
            background: var(--accent-yellow);
            color: #333;
            border: none;
        }

            .btn-primary-hero:hover {
                background: #ffd54f;
                transform: translateY(-3px);
                box-shadow: 0 10px 25px rgba(255,202,40,0.4);
            }

        .btn-secondary-hero {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

            .btn-secondary-hero:hover {
                background: white;
                color: var(--primary-indigo);
                transform: translateY(-3px);
                box-shadow: 0 10px 25px rgba(255,255,255,0.3);
            }

        /* Floating Animation */
        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }

            50% {
                transform: translateY(-20px);
            }
        }

        .floating {
            animation: float 6s ease-in-out infinite;
        }

        /* Highlights Section */
        .highlights-section {
            padding: 80px 0;
            background: var(--light-gray);
        }

        .metric-card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 5px 30px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
        }

            .metric-card::before {
                content: '';
                position: absolute;
                top: -50%;
                left: -50%;
                width: 200%;
                height: 200%;
                background: var(--gradient-primary);
                opacity: 0;
                transition: opacity 0.3s ease;
                transform: rotate(45deg);
            }

            .metric-card:hover {
                transform: translateY(-10px);
                box-shadow: 0 15px 40px rgba(92,107,192,0.2);
                border-color: var(--primary-indigo);
            }

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

        .metric-icon {
            font-size: 3rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1rem;
        }

        .metric-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-indigo);
            margin-bottom: 0.5rem;
        }

        .metric-label {
            font-size: 1.1rem;
            color: #666;
            font-weight: 500;
        }

        /* Course Section */
        .courses-section {
            padding: 80px 0;
            background: white;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 3rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .course-tabs {
            justify-content: center;
            margin-bottom: 3rem;
            border-bottom: 2px solid #eee;
        }

        .nav-tabs .nav-link {
            color: #666;
            font-weight: 500;
            border: none;
            padding: 1rem 2rem;
            border-radius: 0;
            position: relative;
            transition: all 0.3s ease;
        }

            .nav-tabs .nav-link.active {
                color: var(--primary-indigo);
                background: transparent;
                border: none;
            }

                .nav-tabs .nav-link.active::after {
                    content: '';
                    position: absolute;
                    bottom: -2px;
                    left: 0;
                    width: 100%;
                    height: 3px;
                    background: var(--gradient-primary);
                }

        .course-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            position: relative;
            height: 100%;
        }

            .course-card:hover {
                transform: translateY(-5px);
                box-shadow: 0 10px 30px rgba(92,107,192,0.2);
            }

        .live-ribbon {
            position: absolute;
            top: 20px;
            right: -30px;
            background: var(--accent-yellow);
            color: #333;
            padding: 5px 40px;
            transform: rotate(45deg);
            font-weight: 600;
            font-size: 0.8rem;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
            z-index: 10;
        }

        .course-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .course-body {
            padding: 1.5rem;
        }

        .course-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: #333;
            margin-bottom: 0.5rem;
        }

        .course-batch {
            color: var(--primary-purple);
            font-weight: 500;
            margin-bottom: 0.5rem;
        }

        .course-medium {
            color: #666;
            font-size: 0.9rem;
        }

        .course-btn {
            background: var(--gradient-primary);
            color: white;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 25px;
            font-weight: 500;
            transition: all 0.3s ease;
            margin-top: 1rem;
            width: 100%;
        }

            .course-btn:hover {
                transform: translateY(-2px);
                box-shadow: 0 5px 15px rgba(92,107,192,0.3);
            }

        /* Footer */
        footer {
            background: var(--dark-bg);
            color: #ccc;
            padding: 60px 0 30px;
        }

        .footer-section h5 {
            color: white;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

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

            .footer-section ul li {
                margin-bottom: 0.8rem;
            }

                .footer-section ul li a {
                    color: #ccc;
                    text-decoration: none;
                    transition: all 0.3s ease;
                }

                    .footer-section ul li a:hover {
                        color: var(--accent-yellow);
                        padding-left: 5px;
                    }

        .social-icons a {
            color: #ccc;
            font-size: 1.5rem;
            margin-right: 1rem;
            transition: all 0.3s ease;
        }

            .social-icons a:hover {
                color: var(--accent-yellow);
                transform: translateY(-3px);
            }

        .newsletter-form {
            display: flex;
            margin-top: 1rem;
        }

            .newsletter-form input {
                flex: 1;
                padding: 0.7rem;
                border: none;
                border-radius: 25px 0 0 25px;
                outline: none;
            }

            .newsletter-form button {
                background: var(--gradient-primary);
                color: white;
                border: none;
                padding: 0.7rem 1.5rem;
                border-radius: 0 25px 25px 0;
                font-weight: 500;
                transition: all 0.3s ease;
            }

                .newsletter-form button:hover {
                    background: var(--accent-yellow);
                    color: #333;
                }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #444;
        }

        /* Scroll to Top Button */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--gradient-primary);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

            .scroll-top.active {
                opacity: 1;
                visibility: visible;
            }

            .scroll-top:hover {
                transform: translateY(-5px);
                box-shadow: 0 10px 25px rgba(0,0,0,0.3);
            }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }

            .hero-subtitle {
                font-size: 1.2rem;
            }

            .metric-value {
                font-size: 2rem;
            }

            .course-tabs .nav-link {
                padding: 0.7rem 1rem;
                font-size: 0.9rem;
            }

            .navbar-nav {
                text-align: center;
                padding: 1rem 0;
            }

            .btn-login, .btn-register {
                margin: 0.5rem;
            }
        }

        /* Loading Animation */
        .loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: white;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease;
        }

            .loader.hidden {
                opacity: 0;
                pointer-events: none;
            }

        .loader-spinner {
            width: 50px;
            height: 50px;
            border: 5px solid #f3f3f3;
            border-top: 5px solid var(--primary-indigo);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

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

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