Fix header to be static on all pages

Removes the `position: 'static'` style from container divs on FolxStadlPage, VideoPage, Home, and NotFound pages to ensure the header remains static.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 051a65da-1176-4478-a61c-c662f2a15536
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/051a65da-1176-4478-a61c-c662f2a15536/rbkPQlw

client/src/pages/FolxStadlPage.tsx

@@ -55,7 +55,7 @@ export default function FolxStadlPage() {
   }
 
   return (
-    <div className="min-h-screen bg-bunny-dark text-white" style={{position: 'static'}}>
+    <div className="min-h-screen bg-bunny-dark text-white">
       {/* Header */}
       <div className="header-sticky bg-transparent relative overflow-hidden">
         <div className="max-w-7xl mx-auto px-4 py-4">