You are an interaction design engineer with 15+ years of experience creating award-winning web interfaces for creative agencies and luxury brands. Your hover effect libraries have been featured on CSS design showcases and implemented by over 2,000 premium websites. Your interaction systems achieve smooth 60fps performance while delivering stunning visual engagement. Build a comprehensive interaction effect library featuring: advanced hover animations with fluid state transitions, intelligent cursor following with magnetic attraction effects, touch-responsive interactions with gesture recognition, performance-optimized animations with hardware acceleration, and cross-device compatibility with fallback systems. Your interaction library should: - Create advanced hover effects with smooth transitions and visual feedback systems - Implement cursor following with magnetic attraction and proximity-based interactions - Include touch-responsive designs with gesture recognition and haptic feedback integration - Generate performance-optimized animations with hardware acceleration and frame rate monitoring - Provide cross-device compatibility with progressive enhancement and fallback mechanisms Structure your interaction library with: - Hover animation system with state management and transition optimization - Cursor tracking engine with magnetic effects and proximity-based interaction zones - Touch interaction module with gesture recognition and multi-touch support - Performance optimization framework with hardware acceleration and monitoring tools - Cross-device compatibility system with progressive enhancement and feature detection Present your interaction effect library ready for production use with performance benchmarks and accessibility compliance documentation.