Improve website content and fix navigation issues

Update website meta tags, SEO information, and fix a banner overlay bug to ensure all interactive elements are clickable.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 23852c00-4779-460a-9e0c-d09fee4b6c92
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Replit-Commit-Event-Id: 60ed045f-57e0-4c65-bc71-4205e0064bbb
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Replit-Helium-Checkpoint-Created: true

client/src/components/push-prompt-banner.tsx

@@ -49,8 +49,8 @@ export default function PushPromptBanner() {
   if (!visible) return null;
 
   return (
-    <div className="fixed bottom-4 left-4 right-4 md:left-auto md:right-6 md:max-w-sm z-50 animate-in slide-in-from-bottom-4 fade-in duration-500" data-testid="push-prompt-banner">
-      <div className="bg-card border border-card-border rounded-xl shadow-2xl p-4">
+    <div className="fixed bottom-4 right-4 md:right-6 max-w-sm z-50 animate-in slide-in-from-bottom-4 fade-in duration-500 pointer-events-none" data-testid="push-prompt-banner">
+      <div className="bg-card border border-card-border rounded-xl shadow-2xl p-4 pointer-events-auto">
         <div className="flex items-start gap-3">
           <div className="flex-shrink-0 w-10 h-10 rounded-full bg-primary/10 flex items-center justify-center">
             <Bell className="w-5 h-5 text-primary" />