try fix safari flicker

Author: aurorascharff

src/components/Layout/TopNav/TopNav.tsx

@@ -250,7 +250,7 @@ export default function TopNav({
         className={cn(
           isMenuOpen
             ? 'h-screen sticky top-0 lg:bottom-0 lg:h-screen flex flex-col shadow-nav dark:shadow-nav-dark z-20'
-            : 'z-40 sticky top-0 backdrop-filter backdrop-blur-lg backdrop-saturate-200'
+            : 'z-40 sticky top-0 scrolling-gpu backdrop-filter backdrop-blur-lg backdrop-saturate-200'
         )}>
         <nav
           className={cn(