feat: Implement desktop-first maximization plan

src/components/parks/ParkGridView.tsx

@@ -7,7 +7,7 @@ interface ParkGridViewProps {
 
 export function ParkGridView({ parks }: ParkGridViewProps) {
   return (
-    <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 2xl:grid-cols-5 gap-6">
+    <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-3 lg:grid-cols-4 xl:grid-cols-5 2xl:grid-cols-6 3xl:grid-cols-7 gap-4 xl:gap-5 2xl:gap-4">
       {parks.map((park) => (
         <ParkCard 
           key={park.id}