# DO IT — Zero Decision Fitness (Full Documentation)

> DO IT is a free fitness app that removes decision fatigue from working out. Built by Martins Lasmanis, CEO of Supliful.

## Philosophy

"Stop thinking. Start moving." DO IT eliminates the biggest barrier to fitness: deciding what to do. Open the app, pick a program or exercise, and go. No planning, no overthinking.

## Product Details

### Workout Library
- 9 exercise categories: Chest, Back, Shoulders, Arms, Legs, Core, Full Body, Cardio, Stretching
- 67 exercises with detailed descriptions and form cues
- 7 daily workout programs
- Equipment-aware filtering (Gym / Home / Travel profiles)

### Exercise Videos
- 67 production exercise demo videos
- Dark moody studio aesthetic with mint green (#34D399) neon accent lighting
- 9:16 vertical format, 8-second seamless loops
- Hosted on Supabase Storage for fast global delivery

### Progress System
- Progressive overload tracking (exerciseBestReps + lastResult)
- Post-workout volume summary: total weight, sets, reps, PRs
- Muscle group heatmap per session
- Shareable workout summary cards

### Streak System
- Consecutive workout day tracking
- Rest day protection (planned rest doesn't break streak)
- Sunday skip logic
- Lock screen streak widget (iOS)

### Smart Features
- Post-workout difficulty feedback (too easy / just right / too hard)
- AI-driven intensity adaptation based on feedback
- Exercise alternatives: horizontal scroll, same muscle group, one-tap swap
- Per-exercise rest timer configuration

## Design Language

- Theme: Dark glassmorphism
- Background: #0A0A0A
- Accent: Mint #34D399
- Fonts: System defaults
- Philosophy: Dark, moody, motivating. No clutter.

## Technical Architecture

| Layer | Technology |
|-------|-----------|
| Framework | Expo SDK 54 (React Native + Web) |
| Language | TypeScript |
| Styling | NativeWind (Tailwind for RN) |
| State | Zustand |
| Auth | Supabase (email + phone + Google OAuth) |
| Database | Supabase PostgreSQL |
| Storage | Supabase Storage |
| Web Hosting | Vercel |
| iOS Build | Expo EAS |

## Company

DO IT is built by Supliful, a supplement brand enabling creators and entrepreneurs to launch their own supplement lines. DO IT serves as both a standalone fitness tool and a showcase for Supliful's supplement solutions.

- Website: https://supliful.com
- Founded: 2020
- HQ: New York City

## Links

- Web App: https://dothework.fit
- iOS App: https://apps.apple.com/us/app/do-it-do-the-work/id6759219860?uo=4
- Company: https://supliful.com
- Founder on X: https://x.com/MartinLasmanis
- Founder on LinkedIn: https://linkedin.com/in/martinslasmanis

## Contact

For partnerships, press, or technical inquiries:
- Email: martins@supliful.com