perf: remove legacy JS polyfills by targeting modern browserslist and fix LCP penalty by rendering hero background immediately visible instead of opacity 0

app/[locale]/error.tsx

@@ -5,7 +5,7 @@ import { useTranslations } from 'next-intl';
 import { getAppServices } from '@/lib/services/create-services';
 import { Button, Heading } from '@/components/ui';
 import { Terminal, Activity, AlertTriangle, RefreshCw, Home, ShieldAlert } from 'lucide-react';
-import { motion } from 'framer-motion';
+import { m } from 'framer-motion';
 
 export default function Error({
   error,
@@ -65,7 +65,7 @@ export default function Error({
       <div className="relative z-10 w-full max-w-4xl mx-auto flex flex-col items-center">
         {/* The "Broken" Machine Visual */}
         <div className="relative mb-12">
-          <motion.div
+          <m.div
             initial={{ opacity: 0, scale: 0.8 }}
             animate={{ opacity: 1, scale: 1 }}
             className="relative"
@@ -81,7 +81,7 @@ export default function Error({
             
             {/* Warning Overlay */}
             <div className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 flex flex-col items-center">
-              <motion.div
+              <m.div
                 animate={{ 
                   opacity: [0.4, 1, 0.4],
                   scale: [0.95, 1.05, 0.95]
@@ -90,9 +90,9 @@ export default function Error({
                 className="p-4 rounded-2xl bg-red-500/20 border border-red-500/40 backdrop-blur-md shadow-[0_0_30px_rgba(239,68,68,0.3)]"
               >
                 <ShieldAlert className="w-12 h-12 text-red-500" />
-              </motion.div>
+              </m.div>
             </div>
-          </motion.div>
+          </m.div>
         </div>
 
         <div className="grid grid-cols-1 md:grid-cols-12 gap-8 w-full items-start">

app/[locale]/not-found.tsx

@@ -4,7 +4,7 @@ import { useEffect } from 'react';
 import { useTranslations } from 'next-intl';
 import { Button, Heading } from '@/components/ui';
 import { Terminal, Search, Home, Mail, Activity, Cpu } from 'lucide-react';
-import { motion } from 'framer-motion';
+import { m } from 'framer-motion';
 import ClientNotFoundTracker from '@/components/analytics/ClientNotFoundTracker';
 
 export default function NotFound() {
@@ -46,7 +46,7 @@ export default function NotFound() {
       <div className="relative z-10 w-full max-w-4xl mx-auto flex flex-col items-center">
         {/* 404 Visual */}
         <div className="relative mb-12">
-          <motion.div
+          <m.div
             initial={{ opacity: 0, y: 20 }}
             animate={{ opacity: 1, y: 0 }}
             className="relative"
@@ -62,7 +62,7 @@ export default function NotFound() {
             
             {/* Search Scan Overlay */}
             <div className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 flex flex-col items-center">
-              <motion.div
+              <m.div
                 animate={{ 
                   scale: [1, 1.1, 1],
                   opacity: [0.5, 1, 0.5]
@@ -71,9 +71,9 @@ export default function NotFound() {
                 className="p-5 rounded-full bg-primary/20 border border-primary/40 backdrop-blur-md shadow-[0_0_40px_rgba(var(--color-primary),0.3)]"
               >
                 <Search className="w-10 h-10 text-primary" />
-              </motion.div>
+              </m.div>
             </div>
-          </motion.div>
+          </m.div>
         </div>
 
         <div className="grid grid-cols-1 md:grid-cols-12 gap-12 w-full items-start">

app/[locale]/page.tsx

@@ -13,7 +13,7 @@ const HomeCompetenceBentoGrid = nextDynamic(() => import('@/components/blocks/Co
 const HomeReferencesSlider = nextDynamic(() => import('@/components/blocks/ReferencesSlider').then(mod => mod.ReferencesSlider));
 const FaqBlock = nextDynamic(() => import('@/components/blocks/FaqBlock').then(mod => mod.FaqBlock));
 const CertificatesBlock = nextDynamic(() => import('@/components/blocks/CertificatesBlock').then(mod => mod.CertificatesBlock));
-const HeroSection = nextDynamic(() => import('@/components/blocks/HeroSection').then(mod => mod.HeroSection));
+import { HeroSection } from '@/components/blocks/HeroSection';
 import JsonLd from '@/components/JsonLd';
 
 import { Button } from '@/components/ui/Button';

app/[locale]/template.tsx

@@ -1,10 +1,10 @@
 'use client';
 
-import { motion } from 'framer-motion';
+import { m } from 'framer-motion';
 
 export default function Template({ children }: { children: React.ReactNode }) {
   return (
-    <motion.div
+    <m.div
       initial={{ opacity: 0, y: 20, filter: 'blur(10px)' }}
       animate={{ opacity: 1, y: 0, filter: 'blur(0px)' }}
       transition={{ 
@@ -14,6 +14,6 @@ export default function Template({ children }: { children: React.ReactNode }) {
       className="w-full h-full"
     >
       {children}
-    </motion.div>
+    </m.div>
   );
 }

components/blocks/HeroSection.tsx

@@ -50,7 +50,7 @@ export const HeroSection: React.FC<HeroSectionProps> = (props) => {
         <m.div 
           key={`hero-bg-${pathname}`}
           className="absolute inset-0 z-0"
-          initial={{ scale: 1.05, opacity: 0 }}
+          initial={{ scale: 1.05, opacity: 1 }}
           animate={{ scale: 1, opacity: 1 }}
           transition={{ duration: 1.5, ease: "easeOut" }}
         >

package.json

@@ -138,7 +138,7 @@
     "prepare": "husky",
     "preinstall": "npx only-allow pnpm"
   },
-  "version": "2.2.47",
+  "version": "2.2.49",
   "pnpm": {
     "onlyBuiltDependencies": [
       "@parcel/watcher",
@@ -153,9 +153,11 @@
     }
   },
   "browserslist": [
-    "last 3 versions",
-    "not dead",
-    "not ie 11"
+    "last 2 chrome versions",
+    "last 2 firefox versions",
+    "last 2 edge versions",
+    "safari >= 15.4",
+    "not dead"
   ],
   "peerDependencies": {
     "lucide-react": "^0.563.0"