feat: enhance public page animations and improve component structure

- Added `PublicPageReveal` component for animated page transitions using GSAP, integrated into the layout.
- Introduced `AnimatedOrbitalLogo` component for reusable animated SVG branding with reduced-motion support.
- Created `SectionLayout` and `SectionBackground` components for consistent section styling across public pages.
- Implemented `useSectionReveal` hook for unified section-level reveal animations with GSAP ScrollTrigger.
- Updated various components to use optional chaining and improved nullish coalescing for better readability and safety.
- Upgraded dependencies for `@tanstack/react-query` and `@tanstack/react-query-devtools` to latest versions.
- Enhanced accessibility and performance by ensuring reduced-motion settings are respected in animations.
- Refactored existing components to improve code clarity and maintainability.