I would like help to think about this. Why do they go to hell? Because God said so? He said that the wages of sin is death. Are we then not dead when we die physically? It seems not.

What else can die? Our souls? Is it the second death when our souls die?

Isa 53:5 But he was wounded for our transgressions, he was bruised for our iniquities: the chastisement of our peace was upon him; and with his stripes we are healed.

Is God fair if the physical death of Christ is all that is needed for redemption, while unbelievers have to die twice, first physically and then spiritually by spending an eternity in hell?

Something does not add up and it bothers me. Is my logic failing me?