Select the clip in the timeline
Open Effect Controls
Expand Motion
Increase Scale
Adjust Position if needed
Use keyframes for zoom animation
Add keyframes to Scale and Position
Move the playhead and change the Scale value
Repeat for smooth zoom in and out
Use the Crop effect for a zoomed-in framing if needed
Use the Transform effect for more control over zoom motion
Enable Uniform Scale if you want proportional scaling
Preview the sequence and fine-tune the zoom