To upgrade your subscription:

1. Go to Dashboard → Subscription.
2. Choose your plan (Pro at €7/mo or Business at €19/mo).
3. Select monthly or annual (25% off — 2.5 months free).
4. You’ll be redirected to Stripe for secure payment.
5. After confirmation, features are unlocked instantly.

All payments go through Stripe — no card data is stored on VisitCard.