Create a single-file HTML/CSS/JS animation that shows a sandwich being assembled layer by layer

@jsdoodler on Instagram: "Prompt: Create a single-file HTML/CSS/JS animation. Depict a realistic side-view scene of a stainless steel chef’s knife slicing through a fresh cucumber on a wooden cutting board. The knife should have a reflective metallic blade and a dark handle, moving in a smooth downward and forward slicing motion. As the blade cuts, the cucumber should separate into clean round slices with subtle interior texture and moisture highlights. Include slight compression of the cucumber