ScrollFadeIn uses IntersectionObserver + CSS transitions instead of Framer Motion's initial prop. Key difference: no inline style in SSR HTML, so content is visible by default. Animation only activates after client hydration (hasMounted check). Wraps About, Projects, Contact, Footer in HomePageServer. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>