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How GSAP's pin: true Breaks Responsive Layouts—And Why Z-index Won't Fix It

GSAP ScrollTrigger pin이 반응형 레이아웃을 무너뜨리는 이유—Z-index로는 해결 불가

Why it matters

GSAP's pin: true feature creates hidden side effects—including pin-spacer dimension doubling, position: fixed isolation, and CSS stacking context changes—that silently break responsive layouts on mobile viewports. Common fixes like z-index and padding adjustments fail because they don't address the underlying architectural issues. Understanding these mechanisms is critical for developers implementing scrollytelling experiences across different screen sizes.

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GSAP ScrollTriggerPin spacerStacking contextResponsive layoutMobile debugging

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