What problem does it solve? Building immersive scroll-driven web experiences requires choosing the right animation library, structuring narrative scroll sections, and avoiding common pitfalls like scroll hijacking and mobile jank, which is difficult without a clear playbook. ## Core Features & Use Cases - Scroll Animation Stack Guidance: Compares GSAP ScrollTrigger, Framer Motion, Locomotive Scroll, Lenis, and native CSS scroll-timeline with ready-to-use setup code. - Parallax Storytelling Patterns: Provides layer speed ratios, story beat structures, and text reveal techniques for narrative scroll experiences. - Sticky & Pinned Sections: Shows CSS sticky, GSAP pin, and horizontal scroll section implementations for product walkthroughs and galleries. - Anti-Pattern & Accessibility Guardrails: Flags scroll hijacking, animation overload, and desktop-only designs, with fixes for scroll jank and mobile parallax issues. - Use Case: When building an Apple-style product page, use this Skill to set up GSAP ScrollTrigger with pinned sections, layered parallax backgrounds, and scroll-triggered text reveals that degrade gracefully on mobile. ## Quick Start Ask the agent to build a scroll-driven landing page section with parallax layers and a pinned horizontal scroll gallery using GSAP ScrollTrigger.