demo login, super admin view, password reset

- Landing page: 'Try the Demo' button links to /login?demo=1
- Login page: 'Try the Demo — no signup needed' button auto-logs in as demo@pnpl.app
- /login?demo=1: auto-triggers demo login on page load
- Super Admin page (/dashboard/admin): platform stats, org list, user list, recent pledges
- /api/admin: returns cross-org data, gated by super_admin role check
- Sidebar shows 'Super Admin' link only for super_admin users
- Password reset: omair@quikcue.com = Omair2026!, demo@pnpl.app = demo1234
- omair@quikcue.com confirmed as super_admin role

pledge-now-pay-later/src/app/page.tsx

@@ -41,9 +41,9 @@ export default function HomePage() {
             <Link href="/signup" className="rounded-xl bg-trust-blue px-6 py-3.5 text-base font-semibold text-white hover:bg-trust-blue/90 transition-all shadow-lg shadow-trust-blue/20">
               Start Collecting Pledges →
             </Link>
-            <a href="#how" className="rounded-xl border-2 border-gray-200 px-6 py-3.5 text-base font-semibold text-gray-700 hover:border-gray-300 transition-all">
-              See How It Works
-            </a>
+            <Link href="/login?demo=1" className="rounded-xl border-2 border-gray-200 px-6 py-3.5 text-base font-semibold text-gray-700 hover:border-trust-blue hover:text-trust-blue transition-all">
+              🎮 Try the Demo
+            </Link>
           </div>
           <p className="text-xs text-muted-foreground">Free forever · No card needed · 2 minute setup</p>
         </div>