Chocolate Orange Cheesecake Layer Cake

📋 Ingredients:
For the chocolate cake layers:
- 1 3/4 cups all-purpose flour
- 2 cups granulated sugar
- 3/4 cup unsweetened cocoa powder
- 2 teaspoons baking powder
- 1 1/2 teaspoons baking soda
- 1 teaspoon salt
- 1 cup buttermilk, room temperature
- 1/2 cup vegetable oil
- 2 large eggs, room temperature
- 2 teaspoons vanilla extract
- 1 cup hot water
For the orange cheesecake layer: