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

package.json

@@ -138,7 +138,7 @@
     "prepare": "husky",
     "preinstall": "npx only-allow pnpm"
   },
-  "version": "2.2.48",
+  "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"