Mockup — portal sign-in screens. Pick a screen:
After sign-in each person sees only their sections: Borrower portal · Investor portal · Broker portal. A person who is both a borrower and an investor sees both in one menu.
[Lender Name]

Sign in

Enter your email and we'll send you a sign-in code.

[Welcome message from Settings → Portals, e.g. "Welcome to the [Lender Name] client portal. Questions? Call us Monday to Friday, 9–5."]
✓Confirmed you are human
The sign-in page never reveals whether an email has access ("If this email has portal access, we sent a 6-digit code to it"). Portal sign-ins can only reach the portal; they are refused on every staff screen.