No worry, when I was in Classical, I felt my troops were bunch of disaster but slowly gained back momentum when reached Medieval troops for earlier loots, couple with upgraded tactics, increased armies by age
If you're classical, better loot back classical based to keep ur army alive and you have to play some tactics of drop medals but hunt resources when almost half of ur army is on training. It's hard for a classical age to raid a medieval based due to double ballista tower and your army is smaller count couple with weaker mercenary and esp, war tactics.
I am sure you gain back your confidence when you have medieval army and subsequently gun powder army for better loots.