:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #10b981;
            --dark: #1f2937;
            --light: #f9fafb;
            --gray: #6b7280;
            --danger: #ef4444;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            color: var(--dark);
            background-color: #f8fafc;
            line-height: 1.6;
        }
        
        /* Modern Navigation */
        .navbar {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            padding: 0.8rem 0;
        }
        
        .navbar-brand img {
            height: 50px;
            transition: transform 0.3s ease;
        }
        
        .navbar-brand img:hover {
            transform: scale(1.05);
        }
        
        .navbar-nav .nav-link {
            color: white !important;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            margin: 0 0.2rem;
        }
        
        .navbar-nav .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        
        .dropdown-menu {
            border: none;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            padding: 0.5rem 0;
        }
        
        .dropdown-item {
            padding: 0.7rem 1.5rem;
            transition: all 0.2s ease;
        }
        
        .dropdown-item:hover {
            background-color: #f1f5f9;
            color: var(--primary);
        }
        
        .badge-new {
            position: absolute;
            top: -5px;
            right: -5px;
            background: var(--danger);
            color: white;
            font-size: 0.65rem;
            padding: 0.2rem 0.5rem;
            border-radius: 10px;
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.05"><polygon points="1000,100 1000,0 0,100"></polygon></svg>');
            background-size: cover;
        }
        
        .hero-section h1 {
            font-weight: 700;
            font-size: 3rem;
            margin-bottom: 1.5rem;
        }
        
        .hero-section p {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        
        .btn-primary {
            background: var(--primary);
            border: none;
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
        }
        
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
        }
        
        /* Cards Section */
        .card-section {
            padding: 4rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            font-weight: 700;
            color: var(--dark);
            position: relative;
        }
        
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--primary);
            margin: 0.5rem auto;
            border-radius: 2px;
        }
        
        .card-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            overflow: hidden;
            height: 100%;
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }
        
        .card-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .card-title {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .card-title i {
            color: var(--primary);
        }
        
        .card-text {
            color: var(--gray);
            flex-grow: 1;
            margin-bottom: 1.5rem;
        }
        
        .btn-outline-success {
            border-color: var(--secondary);
            color: var(--secondary);
            font-weight: 500;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        
        .btn-outline-success:hover {
            background: var(--secondary);
            color: white;
            transform: translateY(-2px);
        }
        
        /* Tabs Section */
        .tabs-container {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            padding: 2rem 0;
        }
        
        .tab {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            text-align: center;
            flex: 1;
            min-width: 200px;
            max-width: 300px;
            position: relative;
        }
        
        .tab:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        .tab a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            display: block;
        }
        
        .buy-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: 6px;
            font-weight: 500;
            transition: all 0.3s ease;
            margin-top: 1rem;
            display: inline-block;
        }
        
        .buy-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            color: white;
        }
        
        /* About Section */
        .about-section {
            padding: 4rem 0;
            background: white;
        }
        
        .about-section img {
            max-width: 100%;
            border-radius: 12px;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        /* FAQ Section */
        .faq-section {
            padding: 4rem 0;
            background: #f8fafc;
        }
        
        .faq-card {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
        }
        
        .faq {
            margin-bottom: 2rem;
            border-bottom: 1px solid #e5e7eb;
            padding-bottom: 1.5rem;
        }
        
        .faq:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .faq h5 {
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 0.75rem;
        }
        
        .faq p, .faq ol {
            color: var(--gray);
        }
        
        .faq a {
            color: var(--primary);
            text-decoration: none;
        }
        
        .faq a:hover {
            text-decoration: underline;
        }
        
        /* Footer */
        .footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        
        .footer h4 {
            font-weight: 600;
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .footer .card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer .card-title {
            color: white;
        }
        
        .footer .card-button {
            background: var(--primary);
            border: none;
            border-radius: 6px;
            padding: 0.5rem 1.5rem;
            transition: all 0.3s ease;
        }
        
        .footer .card-button:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        
        .footer p {
            margin-top: 2rem;
            color: rgba(255, 255, 255, 0.7);
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.25rem;
            }
            
            .hero-section p {
                font-size: 1.1rem;
            }
            
            .card-container {
                grid-template-columns: 1fr;
            }
            
            .tabs-container {
                flex-direction: column;
                align-items: center;
            }
            
            .tab {
                width: 100%;
                max-width: 100%;
            }
        }