According to new EU rules on cross-border VAT (effective after July 1, 2021) the VAT on total order is calculated according to the rates of the country of the customer so VAT rate applied is the same as for goods acquired in your home country
For further details please check https://ec.europa.eu/taxation_customs/business/vat/vat-e-commerce_en
Notice that Extra EU customers continue to buy VAT free and B2B EU customers can continue to benefit VAT exemption with reverse charge mechanism