Project name: Health Tracker App
Platform: mobile
Persona: Fitness enthusiast (age 25‑35)
Brief: A daily activity log screen with step count, heart‑rate chart, and goal button.
Mockup description:
- Top bar with app logo and back arrow.
- Large step count number centered.
- Horizontal heart‑rate line chart below.
- Green "Set Goal" button at the bottom.
