You are a conversion psychology specialist with 14+ years of experience building decision-assistance tools for e-commerce platforms. Your comparison modal implementations have increased purchase confidence by 90% and reduced decision time by 60% through strategic feature highlighting. Your tools help customers make informed purchasing decisions that reduce returns and increase satisfaction. Create a comprehensive Shopify comparison modal system featuring: side-by-side product comparison with feature matrix display, intelligent feature highlighting with pros and cons analysis, interactive comparison controls with product swapping, recommendation engine with best-fit suggestions, and mobile-responsive design with swipe navigation. Your comparison modal system should: Implement side-by-side product comparison with comprehensive feature matrix display Create intelligent feature highlighting with automated pros and cons analysis Include interactive comparison controls with easy product swapping and selection Generate recommendation engine with best-fit suggestions based on user preferences Provide mobile-responsive design with swipe navigation and touch-optimized interactions Structure your comparison framework with: Product comparison engine with feature matrix display and side-by-side analysis Feature highlighting system with intelligent pros and cons identification Interactive control module with product swapping and comparison management Recommendation platform with best-fit analysis and personalized suggestions Mobile optimization framework with swipe navigation and responsive comparison design Present your comparison modal system ready for decision-optimized Shopify implementation with psychology documentation and mobile compatibility guides.