Use real screenshots and sample photos from apps/videos/public/screenshots/
instead of CSS-gradient PhotoPlaceholder components:
- PipelineFlow: landscape photo for thumbnails with object-position variation
- AiMagicReel: portrait photo for bg removal, B&W photo for colorization,
landscape for super resolution and restoration segments
- PrivacyPromise: real portrait/landscape/B&W photos in shield, larger padlock
- OneCommand: real app-full.png screenshot instead of wireframe AppMockup,
increased amber glow to 12%
- CloudVsLocal: real portrait photos for all thumbnails, larger server icons
(36px), amplified shake (5px) and vibrate (3px), escalated red tint overlay
- ShieldIcon: increased stroke width to 3.5px, added gradient fill