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/home.tsx

@@ -73,7 +73,7 @@ export default function Home() {
   }, [searchQuery, refetch]);
 
   return (
-    <div style={{minHeight: '100vh', background: 'linear-gradient(135deg, hsl(250, 50%, 15%) 0%, hsl(240, 30%, 25%) 100%)', color: 'white', position: 'static'}}>
+    <div style={{minHeight: '100vh', background: 'linear-gradient(135deg, hsl(250, 50%, 15%) 0%, hsl(240, 30%, 25%) 100%)', color: 'white'}}>
       {/* STICKY HEADER */}
       <div className="header-sticky bg-transparent relative overflow-hidden">
         <div className="max-w-7xl mx-auto px-4 py-4">