* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .welcome-section {
            background: white;
            border-radius: 25px;
            padding: 50px;
            text-align: center;
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            margin-bottom: 30px;
        }
        
        .welcome-section h1 {
            color: #ff6b6b;
            font-size: 2.8em;
            margin-bottom: 30px;
            font-weight: 700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        
        .form-group {
            margin: 25px 0;
        }
        
        label {
            display: block;
            margin-bottom: 12px;
            color: #555;
            font-weight: 600;
            font-size: 18px;
        }
        
        input {
            width: 100%;
            padding: 18px;
            border: 2px solid #ffeaa7;
            border-radius: 15px;
            font-size: 18px;
            text-align: center;
            transition: border-color 0.3s ease;
            font-weight: 500;
        }
        
        input:focus {
            outline: none;
            border-color: #ff6b6b;
            box-shadow: 0 0 10px rgba(255, 107, 107, 0.3);
        }
        
        .btn {
            background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
            color: white;
            border: none;
            padding: 18px 35px;
            border-radius: 15px;
            font-size: 20px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            margin-top: 25px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 107, 107, 0.5);
        }
        
        .btn-secondary {
            background: linear-gradient(45deg, #4ecdc4, #44a08d);
        }
        
        .main-content {
            display: none;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }
        
        .feature-card {
            background: white;
            border-radius: 20px;
            padding: 35px 25px;
            text-align: center;
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 35px rgba(0,0,0,0.2);
        }
        
        .feature-card h3 {
            color: #ff6b6b;
            margin-bottom: 20px;
            font-size: 22px;
            font-weight: 700;
        }
        
        .feature-card i {
            font-size: 40px;
            margin-bottom: 20px;
            color: #ff6b6b;
        }
        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        
        .modal-content {
            background: white;
            margin: 40px auto;
            padding: 40px;
            border-radius: 25px;
            max-width: 800px;
            max-height: 85vh;
            overflow-y: auto;
            position: relative;
            box-shadow: 0 20px 50px rgba(0,0,0,0.3);
        }
        
        .modal-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .modal-header h2 {
            color: #ff6b6b;
            font-size: 28px;
            margin-bottom: 15px;
        }
        
        .nav-buttons {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
            gap: 15px;
        }
        
        .question {
            background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
            padding: 25px;
            border-radius: 18px;
            margin: 25px 0;
            border-left: 5px solid #ff6b6b;
        }
        
        .question h3 {
            color: #856404;
            margin-bottom: 20px;
            font-size: 22px;
        }
        
        .options {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-top: 20px;
        }
        
        .option-btn {
            background: white;
            border: 2px solid #e9ecef;
            padding: 18px;
            border-radius: 15px;
            cursor: pointer;
            text-align: left;
            transition: all 0.3s ease;
            font-size: 16px;
            font-weight: 500;
        }
        
        .option-btn:hover {
            background: #f8f9fa;
            border-color: #ff6b6b;
        }
        
        .option-btn.selected {
            background: #ff6b6b;
            color: white;
            border-color: #ff6b6b;
            transform: scale(1.02);
        }
        
        .result {
            background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
            padding: 30px;
            border-radius: 18px;
            margin: 25px 0;
            text-align: center;
            border-left: 5px solid #28a745;
        }
        
        .result h4 {
            color: #155724;
            margin-bottom: 15px;
            font-size: 24px;
        }
        
        .recipe, .product-info {
            background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
            padding: 25px;
            border-radius: 18px;
            margin: 20px 0;
            border-left: 5px solid #2196f3;
        }
        
        .recipe h4, .product-info h4 {
            color: #0d47a1;
            margin-bottom: 15px;
            font-size: 22px;
        }
        
        .face-shape-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        
        .face-shape-item {
            background: white;
            border: 3px solid #e9ecef;
            border-radius: 15px;
            padding: 20px 10px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .face-shape-item:hover {
            border-color: #ff6b6b;
            transform: translateY(-5px);
            background: #fff5f5;
        }
        
        .face-shape-item img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 50%;
            margin-bottom: 15px;
            border: 2px solid #ff6b6b;
        }
        
        .face-shape-item h4 {
            font-size: 16px;
            color: #ff6b6b;
            font-weight: 600;
        }
        
        .makeup-guide {
            background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
            padding: 30px;
            border-radius: 18px;
            margin: 25px 0;
            text-align: center;
        }
        
        .makeup-guide img {
            width: 100%;
            max-width: 400px;
            height: auto;
            border-radius: 15px;
            margin: 20px 0;
            border: 3px solid #9c27b0;
        }
        
        .age-group {
            font-weight: bold;
            color: #ff6b6b;
            font-size: 20px;
            margin: 20px 0;
            text-align: center;
            padding: 15px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 15px;
        }
        
        .rating-section {
            background: white;
            border-radius: 25px;
            padding: 50px;
            text-align: center;
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            margin: 30px 0;
        }
        
        .rating-section h2 {
            color: #ff6b6b;
            font-size: 28px;
            margin-bottom: 30px;
        }
        
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 30px 0;
        }
        
        .star {
            font-size: 40px;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        
        .star.selected, .star:hover {
            color: #ff6b6b;
        }
        
        .feedback-input {
            width: 100%;
            padding: 20px;
            border: 2px solid #ffeaa7;
            border-radius: 15px;
            font-size: 18px;
            margin: 25px 0;
            min-height: 120px;
            resize: vertical;
        }
        
        .social-share {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin: 30px 0;
        }
        
        .social-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: white;
            text-decoration: none;
            transition: transform 0.3s ease;
        }
        
        .social-btn:hover {
            transform: translateY(-5px);
        }
        
        .whatsapp { background: #25D366; }
        .messenger { background: #0084ff; }
        .instagram { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
        
        @media (max-width: 768px) {
            .welcome-section {
                padding: 30px 20px;
            }
            
            .welcome-section h1 {
                font-size: 2.2em;
            }
            
            .main-content {
                grid-template-columns: 1fr;
            }
            
            .btn {
                padding: 15px 25px;
                font-size: 18px;
            }
            
            .modal-content {
                margin: 20px auto;
                padding: 25px;
            }
        }
        
        @media (max-width: 480px) {
            .face-shape-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .social-share {
                gap: 15px;
            }
            
            .social-btn {
                width: 50px;
                height: 50px;
                font-size: 20px;
            }
        }