style: establish full fluid mobile responsiveness on iPhone 14 viewports across AuthScreen, App Shell, and 3D Brain overlays

style: elevate AuthScreen landing page to unified premium glassmorphism and Soma Orange aesthetic

feat: Overhaul Soma UI to premium Neural Gloss aesthetic with single-screen optimization

Refactor: Simplify auth flow and improve neural mesh update synchronization

feat: real glassmorphism with animated mesh gradient background

feat: redesign auth screen into full intro landing page

feat: Implement secure Authentication system with JWT and AuthScreen UI