For handling credit card payments, Enefty partnered up with the payment provider MoonPay to support this payment method. Unfortunately not all regions are currently supported by MoonPay / Credit Card Payment. Please refer to the following list if your region is supported:
https://support.moonpay.com/hc/en-gb/articles/5691536596241-What-are-our-non-supported-countries-states-and-territories-for-buying-NFTs-with-a-card-
If your region is currently unsupported, the only other choice would be to pay with crypto for now. For that please press on the arrow beside your user account and press add funds.