:root {
            --primary: #0f0f3d;
            --secondary: #5a189a;
            --accent: #ff007c;
            --success: #00f5d4;
            --light: #e0e0e0;
            --gradient-primary: linear-gradient(135deg, #0f0f3d 0%, #5a189a 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;
            color: #333;
            background: #f8f9fa;
            line-height: 1.6;
        }
        
        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;
            padding: 8px 0;
        }
        
        .top-bar a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            margin: 0 8px;
            transition: color 0.3s ease;
        }
        
        .top-bar a:hover {
            color: var(--success);
        }
        
        /* HEADER */
        .main-header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
        }
        
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .brand-logo img {
            height: 60px;
            width: auto;
        }
        
        .brand-text h4 {
            color: var(--primary);
            margin: 0;
            font-size: 1.4rem;
        }
        
        .brand-text small {
            color: var(--secondary);
            font-size: 0.85rem;
        }
        
        /* NAVIGATION */
        .main-nav {
            background: var(--gradient-primary);
        }
        
        .main-nav .navbar-nav {
            gap: 2px;
        }
        
        .main-nav .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            padding: 12px 20px !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);
        }
        
        .main-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20px;
            right: 20px;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        
        .main-nav .nav-link:hover::after {
            transform: scaleX(1);
        }
        
        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.5);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* HERO SECTION */
        .hero-section {
            background: linear-gradient(rgba(15, 15, 61, 0.9), rgba(15, 15, 61, 0.9)), 
                        url('/frontend/Image/banner.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 0 60px;
            text-align: center;
            position: relative;
            margin-top: 0;
        }
        
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 15px;
            animation: fadeInDown 1s ease;
        }
        
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--success);
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.9;
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* CIRCULARS SECTION */
         .circulars-section {
            background: var(--gradient-light);
            padding: 15px 0;
            margin: 15px 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);
        }
  
        
        /* DOWNLOAD SECTION */
        .download-section {
            padding: 50px 0;
        }
        
        .section-title {
            color: var(--primary);
            margin-bottom: 40px;
            text-align: center;
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--gradient-accent);
            border-radius: 2px;
        }
        
        .download-category {
            background: white;
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-left: 5px solid var(--accent);
            transition: all 0.3s ease;
            opacity: 0;
            transform: translateY(20px);
        }
        
        .download-category.animate {
            animation: fadeInUp 0.6s ease forwards;
        }
        
        .download-category:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .category-title {
            color: var(--secondary);
            font-size: 1.8rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(90, 24, 154, 0.1);
        }
        
        .sub-category-title {
            color: var(--primary);
            font-size: 1.4rem;
            margin: 25px 0 15px;
        }
        
        .download-item {
            padding: 15px;
            margin: 10px 0;
            background: rgba(248, 249, 250, 0.5);
            border-radius: 8px;
            border-left: 3px solid var(--secondary);
            transition: all 0.3s ease;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        
        .download-item:hover {
            background: rgba(90, 24, 154, 0.05);
            border-left-color: var(--accent);
            transform: translateX(10px);
        }
        
        .download-icon {
            color: var(--accent);
            font-size: 1.2rem;
            min-width: 30px;
            padding-top: 2px;
        }
        
        .download-content {
            flex: 1;
        }
        
        .download-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            display: block;
            margin-bottom: 5px;
        }
        
        .download-link:hover {
            color: var(--accent);
        }
        
        .download-meta {
            color: #666;
            font-size: 0.9rem;
        }
        
        .file-size {
            background: rgba(247, 8, 223, 0.1);
            color: var(--accent);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 500;
            display: inline-block;
            margin-right: 10px;
        }
        
        /* Buttons */
        .btn {
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 500;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            border: none;
        }
        
        .btn-primary {
            background: var(--gradient-primary);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(90, 24, 154, 0.3);
            color: white;
        }
        
        .btn-accent {
            background: var(--gradient-accent);
            color: white;
        }
        
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 0, 124, 0.3);
            color: white;
        }
        
       /* 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: 1.1rem;
            }
            
            .download-category {
                padding: 20px;
            }
            
            .category-title {
                font-size: 1.5rem;
            }
            
            .circulars-header {
                padding: 12px 15px;
                font-size: 1rem;
                margin-bottom: 15px;
                justify-content: center;
            }
            
            .marquee-container {
                padding: 12px 15px;
            }
            
            .main-nav .nav-link {
                padding: 10px 15px !important;
            }
        }
        
        @media (max-width: 576px) {
            .hero-title {
                font-size: 1.8rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .download-item {
                padding: 12px;
                flex-direction: column;
                gap: 10px;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .brand-text h4 {
                font-size: 1.2rem;
            }
            
            .brand-logo img {
                height: 50px;
            }
        }
        
        /* Search Box */
        .search-box {
            max-width: 400px;
            margin-left: auto;
        }
        
        .search-form {
            display: flex;
            gap: 5px;
        }
        
        .search-input {
            flex: 1;
            padding: 10px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            transition: all 0.3s ease;
        }
        
        .search-input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 0, 124, 0.1);
        }
        
        .search-btn {
            background: var(--gradient-accent);
            color: white;
            border: none;
            width: 45px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .search-btn:hover {
            transform: scale(1.05);
        }