:root {
            --primary: #0f0f3d;
            --secondary: #5a189a;
            --accent: #ff007c;
            --success: #00f5d4;
            --light: #e0e0e0;
            --dark: #0a0a0a;
            --gradient-primary: linear-gradient(135deg, #0f0f3d 0%, #5a189a 100%);
            --gradient-secondary: linear-gradient(135deg, #5a189a 0%, #c77dff 100%);
            --gradient-accent: linear-gradient(135deg, #ff007c 0%, #ff4d6d 100%);
            --gradient-light: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            padding-top: 0;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
        }
        
        /* TOP BAR */
        .top-bar {
            background: var(--gradient-primary);
            color: white;
            font-size: 0.9rem;
        }
        
        .top-bar a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            margin: 0 5px;
            transition: color 0.3s ease;
        }
        
        .top-bar a:hover {
            color: var(--success);
        }
        
        /* HEADER */
        header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        /* NAVIGATION */
        .main-nav {
            background: var(--gradient-primary);
            padding: 0;
        }
        
        .main-nav .navbar-nav {
            gap: 5px;
        }
        
        .main-nav .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            padding: 10px 15px !important;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .main-nav .nav-link:hover,
        .main-nav .nav-link.active {
            color: white !important;
            background: rgba(255, 255, 255, 0.15);
        }
        
        /* HERO SECTION */
        .hero-section {
            background: linear-gradient(135deg, rgba(15,15,61,0.9) 0%, rgba(90,24,154,0.9) 100%), url('/frontend/Image/banner.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            animation: fadeInDown 1s ease;
        }
        
        .hero-subtitle {
            font-size: 1.5rem;
            color: var(--success);
            margin-bottom: 30px;
            animation: fadeInUp 1s ease 0.3s both;
        }
        
        .hero-features {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        
        .feature-item {
            text-align: center;
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-size: 1.5rem;
            color: var(--success);
        }
        
        .feature-text {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* CIRCULARS SECTION */
        .circulars-section {
            background: var(--gradient-light);
            padding: 15px 0;
            margin: 20px 0;
            border-radius: 10px;
        }
        
        .circulars-header {
            background: var(--gradient-primary);
            color: white;
            padding: 12px 15px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            white-space: nowrap;
            text-align: center;
            box-shadow: 0 3px 10px rgba(15, 15, 61, 0.2);
        }
        
        .marquee-container {
            background: white;
            padding: 12px 15px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
            height: 100%;
        }
        
        .marquee-container a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            margin: 0 12px;
            padding: 4px 8px;
            border-radius: 4px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        
        .marquee-container a:hover {
            color: var(--accent);
            background: rgba(255, 0, 124, 0.1);
        }
        
        /* MAIN CONTENT */
        .content-section {
            padding: 60px 0;
        }
        
        .section-title {
            color: var(--primary);
            margin-bottom: 30px;
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--gradient-accent);
            border-radius: 2px;
        }
        
        /* INTRODUCTION CARD */
        .intro-card {
            background: white;
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            border-left: 8px solid var(--secondary);
            transition: all 0.3s ease;
        }
        
        .intro-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .intro-header {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .intro-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient-secondary);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2.5rem;
            flex-shrink: 0;
        }
        
        .intro-content h3 {
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .intro-content p {
            color: #666;
            margin: 0;
        }
        
        /* KEY FEATURES */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        
        .feature-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            border-top: 5px solid var(--accent);
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .feature-card-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, rgba(255,0,124,0.1) 0%, rgba(90,24,154,0.1) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--accent);
            font-size: 1.8rem;
        }
        
        .feature-card h4 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .feature-card p {
            color: #555;
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        /* FACULTY REQUIREMENTS */
        .requirements-card {
            background: linear-gradient(135deg, rgba(15,15,61,0.05) 0%, rgba(90,24,154,0.05) 100%);
            border-radius: 20px;
            padding: 40px;
            margin: 50px 0;
            position: relative;
            overflow: hidden;
        }
        
        .requirements-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--gradient-accent);
        }
        
        .requirements-header {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .requirement-item {
            background: white;
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .requirement-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
        }
        
        .requirement-icon {
            width: 70px;
            height: 70px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        
        .requirement-ratio {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            margin: 15px 0;
        }
        
        .requirement-desc {
            color: #666;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        
        .requirement-list {
            text-align: left;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .requirement-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
        }
        
        .requirement-list li:last-child {
            border-bottom: none;
        }
        
        .requirement-list i {
            color: var(--success);
            margin-right: 10px;
            font-size: 0.9rem;
        }
        
        /* TEACHING MATERIALS */
        .materials-section {
            margin: 50px 0;
        }
        
        .materials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }
        
        .material-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border-top: 5px solid var(--secondary);
        }
        
        .material-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .material-header {
            background: var(--gradient-primary);
            color: white;
            padding: 20px;
            text-align: center;
        }
        
        .material-icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }
        
        .material-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 0;
        }
        
        .material-body {
            padding: 25px;
        }
        
        .material-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 15px;
            background: rgba(90, 24, 154, 0.05);
            border-radius: 10px;
            margin-bottom: 10px;
            text-decoration: none;
            color: var(--primary);
            transition: all 0.3s ease;
        }
        
        .material-link:hover {
            background: rgba(90, 24, 154, 0.1);
            transform: translateX(5px);
            color: var(--accent);
        }
        
        .material-link i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        
        /* VIDEO SECTION */
        .video-section {
            margin: 50px 0;
        }
        
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        
        .video-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .video-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .video-thumbnail {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        
        .video-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .video-card:hover .video-thumbnail img {
            transform: scale(1.05);
        }
        
        .video-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background: rgba(255, 0, 124, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .video-card:hover .video-play {
            opacity: 1;
        }
        
        .video-content {
            padding: 25px;
        }
        
        .video-title {
            color: var(--primary);
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 15px;
            min-height: 60px;
        }
        
        /* BUTTON STYLES */
        .btn {
            background: var(--gradient-primary);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            transition: all 0.4s ease;
            color: white;
            text-decoration: none;
            display: inline-block;
            font-weight: 500;
            cursor: pointer;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(90, 24, 154, 0.3);
            color: white;
        }
        
        .btn-accent {
            background: var(--gradient-accent);
        }
        
        .btn-success {
            background: linear-gradient(135deg, #00f5d4 0%, #00b4d8 100%);
        }
        
        /* FOOTER */
        footer.bg-dark {
            background: var(--gradient-primary) !important;
            color: white;
            padding: 60px 0 20px;
            position: relative;
            overflow: hidden;
        }
        
        footer.bg-dark::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: var(--gradient-accent);
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.5rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent);
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            display: flex;
            align-items: center;
            margin-bottom: 12px;
            transition: all 0.3s ease;
            padding: 5px 0;
        }
        
        .footer-links a:hover {
            color: var(--success);
            transform: translateX(10px);
        }
        
        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .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: white;
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }
        
        .social-icons a:hover {
            background: var(--accent);
            transform: translateY(-3px) rotate(10deg);
        }
        
        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        
        /* RESPONSIVE DESIGN */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            
            .hero-subtitle {
                font-size: 1.2rem;
            }
            
            .hero-features {
                gap: 20px;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .intro-card {
                padding: 30px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .requirements-grid {
                grid-template-columns: 1fr;
            }
            
            .materials-grid {
                grid-template-columns: 1fr;
            }
            
            .video-grid {
                grid-template-columns: 1fr;
            }
            
            .circulars-header {
                width: 100%;
                text-align: center;
                margin-bottom: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .main-nav .nav-link {
                padding: 8px 12px !important;
                font-size: 0.9rem;
            }
            
            .hero-section {
                padding: 80px 0 40px;
            }
            
            .intro-header {
                flex-direction: column;
                text-align: center;
            }
            
            .video-thumbnail {
                height: 180px;
            }
        }