feat: add animated components for enhanced UI/UX
- Introduced DrawLine component for drawing animations. - Added LazyRevealImage component for lazy loading images with reveal animations. - Implemented TextDiffuseReveal for animated text reveals with staggered effects. - Created TopProgressBar for a dynamic loading indicator. - Added PointCloud mock for testing animations. - Developed useReducedMotion hook to handle user preferences for reduced motion. - Centralized animation configurations in config.ts for easier management. - Defined animation variants in variants.ts for consistent animation effects. - Established AnimationProvider to supply global animation settings. - Created tests for AnimationProvider and useReducedMotion hook. - Added SVG assets for branding and UI elements. - Documented frontend review plan and hero circuit board animation plan.
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# Task 6.3 Verification: Reduced Motion Preferences
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## Task Description
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Verify that reduced motion preferences are respected in the Hero component. Test that reduced motion removes blur and scale effects while confirming opacity-based transitions still work.
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## Requirements Validated
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- **Requirement 4.3**: THE Hero SHALL respect the user's reduced motion preferences
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- **Requirement 4.4**: WHEN reduced motion is preferred, THE Hero SHALL use simplified animations without blur or scale effects
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## Test Implementation
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### Test File
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Created `app/components/Hero.reducedMotion.test.tsx` with comprehensive test coverage for reduced motion behavior.
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### Test Categories
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#### 1. Blur Effects Removal
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Tests verify that when reduced motion is enabled:
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- ✅ Typed characters do not have blur filter effects in initial or animate states
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- ✅ Logo animation does not include blur filter effects
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- ✅ Heading exit animation does not include blur effects
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#### 2. Scale Effects Removal
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Tests verify that when reduced motion is enabled:
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- ✅ Typed characters do not have scale effects in initial or animate states
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- ✅ Logo animation does not include scale effects
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- ✅ Heading exit animation does not include scale effects
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- ✅ Interactive elements (buttons, links) do not have scale effects on hover or tap
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#### 3. Opacity Transitions Preservation
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Tests verify that when reduced motion is enabled:
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- ✅ Typed characters still use opacity-based transitions (fade in effect)
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- ✅ Logo still uses opacity-based transitions
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- ✅ Heading exit animation still uses opacity-based transitions
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- ✅ Cursor blink still has opacity (though it may not animate)
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- ✅ Container elements still use opacity-based transitions
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#### 4. Comparison with Normal Motion
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Tests verify that when reduced motion is disabled:
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- ✅ Blur and scale effects ARE applied to typed characters
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- ✅ Scale effects ARE applied to interactive elements on hover and tap
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#### 5. Reduced Motion Consistency
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Tests verify that:
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- ✅ All animated elements consistently respect reduced motion preferences
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- ✅ The preference is applied uniformly across typing phase and logo phase
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## Test Results
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All 15 tests passed successfully:
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```
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Test Suites: 1 passed, 1 total
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Tests: 15 passed, 15 total
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```
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### Key Findings
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1. **Blur Effects Properly Removed**
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- When `shouldReduceMotion` is true, the Hero component uses `{ opacity: 0 }` instead of `{ filter: "blur(12px)", opacity: 0, scale: 0.9 }`
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- Logo animation uses `{ opacity: 0 }` instead of complex blur/scale animations
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- Exit animations use `{ opacity: 0 }` instead of `{ opacity: 0, filter: "blur(10px)", scale: 1.04 }`
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2. **Scale Effects Properly Removed**
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- Character animations do not include scale transformations when reduced motion is enabled
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- Logo animations do not include scale transformations
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- Interactive elements (buttons, social links) have `undefined` whileHover and whileTap props, removing scale effects
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3. **Opacity Transitions Preserved**
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- All elements maintain opacity-based fade in/out transitions
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- Opacity values transition from 0 to 1 for appearing elements
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- Opacity values transition from 1 to 0 for disappearing elements
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- This provides smooth visual feedback without motion-intensive effects
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4. **Implementation Quality**
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- The Hero component uses framer-motion's `useReducedMotion()` hook correctly
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- Conditional logic properly switches between full animations and simplified animations
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- The implementation respects user accessibility preferences
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## Code Implementation
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The Hero component implements reduced motion through conditional animation properties:
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```typescript
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const shouldReduceMotion = useReducedMotion();
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// Example: Typed character animation
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initial={
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shouldReduceMotion
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? { opacity: 0 }
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: { filter: "blur(12px)", opacity: 0, scale: 0.9 }
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}
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animate={
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headingInView
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? shouldReduceMotion
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? { opacity: 1 }
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: { filter: "blur(0px)", opacity: 1, scale: 1 }
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: shouldReduceMotion
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? { opacity: 0 }
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: { filter: "blur(12px)", opacity: 0, scale: 0.9 }
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}
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```
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This pattern is consistently applied to:
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- Typed character animations
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- Logo animations
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- Heading exit animations
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- Interactive element hover/tap effects
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- Container element animations
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## Conclusion
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✅ **Task 6.3 is complete and verified.**
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The Hero component properly respects reduced motion preferences by:
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1. Removing blur filter effects when reduced motion is enabled
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2. Removing scale transformations when reduced motion is enabled
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3. Preserving opacity-based transitions for smooth visual feedback
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4. Applying the preference consistently across all animated elements
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The implementation follows accessibility best practices and ensures users with motion sensitivity can use the site comfortably while still experiencing smooth, simple transitions.
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## Test Coverage
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- **15 unit tests** covering all aspects of reduced motion behavior
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- **100% pass rate** on all tests
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- Tests cover both reduced motion enabled and disabled states
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- Tests verify consistency across multiple animation phases
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- Tests confirm proper fallback to opacity-only animations
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## Recommendations
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The current implementation is excellent and requires no changes. The Hero component serves as a good example of how to implement reduced motion preferences in React applications using framer-motion.
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