Turn image into various layers of coffee flowing

C'est ce qu'une entreprise en/au(x) United States recherchait pour leur graphic design

Need an image that is similar to the attached. The lower representing the flow of dark brewed coffee. The middle will be a lighter color of coffee that contains more milk like a Latte, and the upper most representing an almost milky color like a cappuccino.
The over all shape is find but I need less like chocolate and more fluid like coffee. Highlighs should be added like light shining off a fluid.
Needs to be in .ai vector deliverable. Voir plus