From 4dcc0061fcec2e903b3a75775e1f5f2ffc194209 Mon Sep 17 00:00:00 2001
From: Marc Mintel <marc@mintel.me>
Date: Mon, 29 Jun 2026 18:58:32 +0200
Subject: [PATCH] fix(perf): throttle CorporateBackground mousemove to fix
 forced reflow penalty

---
 .../decorations/CorporateBackground.tsx       | 53 +++++++++++--------
 1 file changed, 32 insertions(+), 21 deletions(-)

diff --git a/components/decorations/CorporateBackground.tsx b/components/decorations/CorporateBackground.tsx
index d6e839b70..d60ff7e2a 100644
--- a/components/decorations/CorporateBackground.tsx
+++ b/components/decorations/CorporateBackground.tsx
@@ -25,34 +25,45 @@ function MagneticRing({
     // Only run on client with mouse
     if (window.matchMedia("(pointer: coarse)").matches) return;
 
+    let ticking = false;
+
     const handleMouseMove = (e: MouseEvent) => {
       if (!ref.current) return;
-      const rect = ref.current.getBoundingClientRect();
-      const centerX = rect.left + rect.width / 2;
-      const centerY = rect.top + rect.height / 2;
+      
+      if (!ticking) {
+        window.requestAnimationFrame(() => {
+          if (!ref.current) {
+            ticking = false;
+            return;
+          }
+          
+          const rect = ref.current.getBoundingClientRect();
+          const centerX = rect.left + rect.width / 2;
+          const centerY = rect.top + rect.height / 2;
 
-      const distX = e.clientX - centerX;
-      const distY = e.clientY - centerY;
-      const distance = Math.sqrt(distX * Math.pow(distX, 2) + Math.pow(distY, 2)); // Fix: correct pythagoras
+          const distX = e.clientX - centerX;
+          const distY = e.clientY - centerY;
+          const actualDistance = Math.sqrt(distX * distX + distY * distY);
 
-      // Calculate actual distance correctly
-      const actualDistance = Math.sqrt(distX * distX + distY * distY);
-
-      if (actualDistance < pullRadius) {
-        // Exponential falloff for natural magnetic feel
-        const pullFactor = Math.pow(1 - (actualDistance / pullRadius), 2);
-        
-        // Target offset (fraction of the distance based on strength)
-        x.set(distX * pullFactor * (pullStrength / 100));
-        y.set(distY * pullFactor * (pullStrength / 100));
-      } else {
-        // Return to origin smoothly
-        x.set(0);
-        y.set(0);
+          if (actualDistance < pullRadius) {
+            // Exponential falloff for natural magnetic feel
+            const pullFactor = Math.pow(1 - (actualDistance / pullRadius), 2);
+            
+            // Target offset (fraction of the distance based on strength)
+            x.set(distX * pullFactor * (pullStrength / 100));
+            y.set(distY * pullFactor * (pullStrength / 100));
+          } else {
+            // Return to origin smoothly
+            x.set(0);
+            y.set(0);
+          }
+          ticking = false;
+        });
+        ticking = true;
       }
     };
     
-    window.addEventListener('mousemove', handleMouseMove);
+    window.addEventListener('mousemove', handleMouseMove, { passive: true });
     return () => window.removeEventListener('mousemove', handleMouseMove);
   }, [x, y, pullRadius, pullStrength]);