body {
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
            margin: 0;
            padding: 0;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
        }
        
        .hero-gradient {
            background: linear-gradient(135deg, #0D1B2A 0%, #1B263B 100%);
        }
        
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }
        
        .btn-primary {
            background: #FF6F3C;
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            background: #E55A2B;
            transform: scale(1.05);
        }
        
        .btn-secondary {
            background: #0D1B2A;
            transition: all 0.3s ease;
        }
        
        .btn-secondary:hover {
            background: #1B263B;
            transform: scale(1.05);
        }
        
        .product-image {
            transition: transform 0.3s ease;
        }
        
        .product-card:hover .product-image {
            transform: scale(1.1);
        }
        
        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255,255,255,0.5);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .slider-dot.active {
            background: #FF6F3C;
            width: 32px;
            border-radius: 6px;
        }
        
        .mobile-menu {
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        
        .mobile-menu.active {
            transform: translateX(0);
        }
        
        .game-canvas {
            border: 3px solid #0D1B2A;
            border-radius: 12px;
        }
        
        .star-rating {
            color: #FFD700;
        }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }
        
        .modal.active {
            display: flex;
        }
        
        .toast {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #0D1B2A;
            color: white;
            padding: 16px 24px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
            z-index: 2000;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.3s ease;
        }
        
        .toast.show {
            opacity: 1;
            transform: translateY(0);
        }
        
        .floating-icons {
            position: absolute;
            width: 100%;
            height: 100%;
        }
        
        .floating-icon {
            position: absolute;
            font-size: 3rem;
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(180deg); }
        }
        
        .animate-fade-in-up {
            animation: fadeInUp 1s ease-out;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate-counter {
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s ease;
        }
        
        .animate-counter.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .quiz-option.correct {
            background-color: #10B981 !important;
            color: white;
        }
        
        .quiz-option.incorrect {
            background-color: #EF4444 !important;
            color: white;
        }
        
        .quiz-option:disabled {
            cursor: not-allowed;
            opacity: 0.7;
        }
        
        .pulse-animation {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }
        
        /* Slideshow Styles */
        .slide {
            opacity: 0;
            transition: opacity 1s ease-in-out;
        }
        
        .slide.active {
            opacity: 1;
        }
        
        /* Typewriter Animation */
        #typewriter {
            animation: blink 1s infinite;
        }
        
        @keyframes blink {
            0%, 50% { border-color: transparent; }
            51%, 100% { border-color: #FF6F3C; }
        }
        
        /* Marquee Styles */
        .marquee-container {
            width: 100%;
            overflow: hidden;
        }
        
        .marquee-content {
            display: flex;
            animation: marquee 30s linear infinite;
            white-space: nowrap;
        }
        
        .marquee-item {
            padding: 0 4rem;
            font-weight: 600;
            font-size: 1.1rem;
        }
        
        @keyframes marquee {
            0% { transform: translateX(100%); }
            100% { transform: translateX(-100%); }
        }
        
        @media (max-width: 768px) {
            .hero-text {
                font-size: 2rem;
            }
            
            .floating-icon {
                font-size: 2rem;
            }
            
            .marquee-item {
                padding: 0 2rem;
                font-size: 1rem;
            }
        }