Limit content width on larger screens for better viewing

Update `max-width` CSS classes in `netflix-grid.tsx` and `home.tsx` to enforce a maximum width of 6 "xl" units, improving layout on large monitors.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 8e9f2b36-ec9c-4acc-b19b-5304fa9790c5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/8e9f2b36-ec9c-4acc-b19b-5304fa9790c5/0CzYEcy

client/src/components/netflix-grid.tsx

@@ -247,13 +247,13 @@ function CategoryRow({ category, onVideoClick, hideScrollButtons = false }: Cate
         {/* Scrollable video row - true edge to edge */}
         <div
           ref={scrollRef}
-          className="flex gap-3 overflow-x-auto scrollbar-hide pb-0 px-4"
+          className="flex gap-3 overflow-x-auto scrollbar-hide pb-0 px-4 max-w-6xl mx-auto"
           style={{ scrollbarWidth: 'none', msOverflowStyle: 'none' }}
         >
           {category.videos.map((video, index) => (
             <div 
               key={video.id} 
-              className="flex-shrink-0 w-[280px] sm:w-[320px] md:w-[280px] lg:w-[320px] xl:w-[360px] relative group hover:z-30"
+              className="flex-shrink-0 w-[280px] sm:w-[320px] md:w-[300px] lg:w-[320px] xl:w-[340px] relative group hover:z-30"
               onMouseEnter={() => setClickedVideoId(video.id)}
             >
               {/* Top 10 Number overlay for first category */}