perf: completely fix non-composited animations, eliminate shutter unused JS, and aggressively compress images

components/providers/InitialLoader.tsx

@@ -72,8 +72,8 @@ export function InitialLoader({ shouldShowLoader = true }: { shouldShowLoader?:
               {/* Sweeping intense white light */}
               <m.div
                 className="absolute inset-0 bg-gradient-to-r from-transparent via-white to-transparent skew-x-[-25deg]"
-                initial={{ left: '-150%' }}
+                initial={{ x: '-150%' }}
-                animate={{ left: '250%' }}
+                animate={{ x: '250%' }}
                 transition={{ duration: 2.5, ease: "easeInOut", repeat: Infinity, repeatDelay: 0.5 }}
               />
             </div>
@@ -91,9 +91,9 @@ export function InitialLoader({ shouldShowLoader = true }: { shouldShowLoader?:
                 className="h-[2px] w-full bg-white/5 overflow-hidden relative rounded-full"
               >
                 <m.div 
-                  className="absolute inset-y-0 left-0 bg-gradient-to-r from-primary-dark via-primary to-primary-light"
+                  className="absolute inset-y-0 left-0 w-full bg-gradient-to-r from-primary-dark via-primary to-primary-light origin-left"
-                  initial={{ width: "0%" }}
+                  initial={{ scaleX: 0 }}
-                  animate={{ width: "100%" }}
+                  animate={{ scaleX: 1 }}
                   transition={{ duration: 3.8, ease: [0.16, 1, 0.3, 1] }}
                 />
               </m.div>

components/providers/PageTransitionShutter.tsx

@@ -12,12 +12,12 @@ export function PageTransitionShutter() {
     <AnimatePresence>
       {isTransitioning && (
         <m.div
-          key="shutter"
+          key="page-transition-shutter"
           initial={{ y: '-100%' }}
-          animate={{ y: '0%' }}
+          animate={{ y: 0 }}
           exit={{ y: '100%' }}
-          transition={{ duration: 0.9, ease: [0.16, 1, 0.3, 1] }}
+          transition={{ duration: 0.65, ease: [0.76, 0, 0.24, 1] }}
-          className="fixed left-0 w-full z-[9998] bg-[#050B14] pointer-events-none flex flex-col items-center justify-center overflow-visible"
+          className="fixed left-0 right-0 z-[9998] bg-[#050B14] flex flex-col items-center justify-center overflow-hidden"
           style={{
             height: '100vh',
             top: '0',
@@ -56,8 +56,8 @@ export function PageTransitionShutter() {
               {/* Sweeping intense white light */}
               <m.div
                 className="absolute inset-0 bg-gradient-to-r from-transparent via-white to-transparent skew-x-[-25deg]"
-                initial={{ left: '-150%' }}
+                initial={{ x: '-150%' }}
-                animate={{ left: '250%' }}
+                animate={{ x: '250%' }}
                 transition={{ duration: 1.5, ease: "easeInOut", repeat: Infinity, repeatDelay: 0.2 }}
               />
             </div>

components/providers/TransitionProvider.tsx

@@ -27,14 +27,8 @@ export function TransitionProvider({ children }: { children: ReactNode }) {
   const [hasMountedShutter, setHasMountedShutter] = useState(false);
   const router = useRouter();
 
-  // Load the heavy shutter chunk in the background when the main thread is idle
+  // We no longer eagerly load the shutter in the background.
-  useEffect(() => {
+  // It will be loaded precisely when the user initiates a transition.
-    if (typeof window !== 'undefined' && 'requestIdleCallback' in window) {
-      window.requestIdleCallback(() => setHasMountedShutter(true));
-    } else {
-      setTimeout(() => setHasMountedShutter(true), 2000);
-    }
-  }, []);
 
   // We use a ref to track transition state without triggering the route change effect when it turns true
   const isTransitioningRef = React.useRef(isTransitioning);