* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .quiz-container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            max-width: 800px;
            width: 100%;
            overflow: hidden;
            position: relative;
        }
        
        .progress-bar {
            height: 6px;
            background: #e0e0e0;
            position: relative;
        }
        
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #4CAF50, #45a049);
            width: 0%;
            transition: width 0.3s ease;
        }
        
        .quiz-header {
            padding: 40px 40px 20px;
            text-align: center;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        
        .quiz-title {
            font-size: 28px;
            font-weight: bold;
            color: #333;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        
        .quiz-description {
            font-size: 16px;
            color: #666;
            line-height: 1.6;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .quiz-content {
            padding: 40px;
        }
        
        .question-container {
            display: none;
            animation: fadeIn 0.5s ease-in;
        }
        
        .question-container.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .question-number {
            font-size: 14px;
            color: #888;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .question-text {
            font-size: 22px;
            font-weight: 600;
            color: #333;
            margin-bottom: 30px;
            line-height: 1.4;
        }
        
        .answer-option {
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .answer-option:hover {
            border-color: #667eea;
            background: #f0f4ff;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.1);
        }
        
        .answer-option.selected {
            border-color: #667eea;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        
        .answer-text {
            font-size: 16px;
            line-height: 1.5;
            font-weight: 500;
        }
        
        .navigation-buttons {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
        }
        
        .btn {
            padding: 15px 30px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
        }
        
        .btn-secondary {
            background: #f8f9fa;
            color: #666;
            border: 2px solid #e9ecef;
        }
        
        .btn-secondary:hover {
            background: #e9ecef;
        }
        
        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none !important;
        }
        
        .results-container {
            display: none;
            text-align: center;
            padding: 40px;
        }
        
        .results-container.active {
            display: block;
        }
        
        .risk-badge {
            display: inline-block;
            padding: 15px 30px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        
        .risk-critical {
            background: #ff4757;
            color: white;
        }
        
        .risk-moderate {
            background: #ff6b35;
            color: white;
        }
        
        .risk-low {
            background: #ffa502;
            color: white;
        }
        
        .risk-high {
            background: #2ed573;
            color: white;
        }
        
        .result-title {
            font-size: 32px;
            font-weight: bold;
            color: #333;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        .result-description {
            font-size: 18px;
            color: #666;
            line-height: 1.6;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Landing Page Styles */
        .landing-page {
            display: none;
            background: #f8f9fa;
            min-height: 100vh;
        }
        
        .landing-page.active {
            display: block;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .hero-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 60px 0;
            text-align: center;
        }
        
        .result-badge {
            display: inline-block;
            padding: 15px 30px;
            border-radius: 50px;
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 30px;
            border: 3px solid rgba(255,255,255,0.3);
        }
        
        .hero-title {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero-subtitle {
            font-size: 24px;
            margin-bottom: 30px;
            opacity: 0.9;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .hero-description {
            font-size: 18px;
            opacity: 0.8;
            max-width: 600px;
            margin: 0 auto 40px;
        }
        
        .cta-button {
            display: inline-block;
            background: #ff6b35;
            color: white;
            padding: 20px 40px;
            font-size: 20px;
            font-weight: bold;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
            border: none;
            cursor: pointer;
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
            background: #e55a2b;
        }
        
        .product-section {
            background: white;
            padding: 80px 0;
        }
        
        .section-title {
            font-size: 36px;
            font-weight: bold;
            text-align: center;
            margin-bottom: 20px;
            color: #333;
        }
        
        .section-subtitle {
            font-size: 20px;
            text-align: center;
            color: #666;
            margin-bottom: 60px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 60px;
        }
        
        .product-image {
            text-align: center;
        }
        
        .product-image img {
            max-width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }
        
        .product-content h3 {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #333;
        }
        
        .product-content p {
            font-size: 18px;
            margin-bottom: 30px;
            color: #666;
            line-height: 1.7;
        }
        
        .benefits-list {
            list-style: none;
            margin-bottom: 40px;
        }
        
        .benefits-list li {
            font-size: 16px;
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
            color: #555;
        }
        
        .benefits-list li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #4CAF50;
            font-weight: bold;
            font-size: 18px;
        }
        
        .price-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 60px 0;
            text-align: center;
        }
        
        .price-container {
            background: white;
            border-radius: 20px;
            padding: 40px;
            max-width: 600px;
            margin: 0 auto;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }
        
        .original-price {
            font-size: 24px;
            color: #999;
            text-decoration: line-through;
            margin-bottom: 10px;
        }
        
        .current-price {
            font-size: 48px;
            font-weight: bold;
            color: #ff6b35;
            margin-bottom: 20px;
        }
        
        .price-note {
            font-size: 16px;
            color: #666;
            margin-bottom: 30px;
        }
        
        .urgency-text {
            background: #fff3cd;
            border: 1px solid #ffeaa7;
            border-radius: 10px;
            padding: 20px;
            margin: 30px 0;
            font-size: 16px;
            color: #856404;
        }
        
        .testimonials-section {
            background: white;
            padding: 80px 0;
        }
        
        .testimonials-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 60px;
        }
        
        .testimonial {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 15px;
            border-left: 5px solid #667eea;
        }
        
        .testimonial-text {
            font-size: 16px;
            font-style: italic;
            margin-bottom: 20px;
            color: #555;
            line-height: 1.6;
        }
        
        .testimonial-author {
            font-weight: bold;
            color: #333;
        }
        
        .author-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 0;
        }
        
        .author-content {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 40px;
            align-items: center;
        }
        
        .author-image {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 60px;
            font-weight: bold;
        }
        
        .author-info h3 {
            font-size: 32px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        
        .author-info p {
            font-size: 18px;
            opacity: 0.9;
            line-height: 1.7;
        }
        
        .final-cta {
            background: #333;
            color: white;
            padding: 60px 0;
            text-align: center;
        }
        
        .final-cta h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }
        
        .final-cta p {
            font-size: 18px;
            margin-bottom: 40px;
            opacity: 0.8;
        }
        
        @media (max-width: 768px) {
            .quiz-container {
                margin: 10px;
            }
            
            .quiz-header, .quiz-content {
                padding: 20px;
            }
            
            .quiz-title {
                font-size: 24px;
            }
            
            .question-text {
                font-size: 20px;
            }
            
            .answer-option {
                padding: 15px;
            }
            
            .navigation-buttons {
                flex-direction: column;
                gap: 15px;
            }
            
            .btn {
                width: 100%;
            }
            
            .hero-title {
                font-size: 32px;
            }
            
            .hero-subtitle {
                font-size: 20px;
            }
            
            .product-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            
            .author-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .current-price {
                font-size: 36px;
            }
            
            .container {
                padding: 0 15px;
            }
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1);
            }
        }
        
        .fade-in {
            animation: fadeIn 1s ease-in;
        }
    </style>