# SunTanApp

> SunTanApp helps people plan safer sun exposure using UV-aware timing, skin phototype personalization, sunscreen guidance, and nutrition education.

## Core user-facing pages
- Home: https://www.suntanapp.com/index.html
- About: https://www.suntanapp.com/about.html
- Nutrition guidance: https://www.suntanapp.com/nutrition.html
- Sunscreen guidance: https://www.suntanapp.com/sunscreen.html
- Timer workflow entry point: https://www.suntanapp.com/timer.html
- Privacy policy: https://www.suntanapp.com/privacy.html

## Personalization and tanning-time planning workflow
SunTanApp personalizes recommendations using:
- Age / birth year modifiers
- Gender-specific body modeling
- Skin type / Fitzpatrick phototype
- UV index, location, and sky condition context
- Sunscreen SPF selections and timing behavior

Key workflow pages:
- Birth year: https://www.suntanapp.com/birthYear.html
- Gender: https://www.suntanapp.com/gender.html
- Skin type (Fitzpatrick): https://www.suntanapp.com/skintype.html
- UV index context: https://www.suntanapp.com/uvi.html
- Location context: https://www.suntanapp.com/location.html
- Planning step: https://www.suntanapp.com/planning.html

## Developer and crawler notes
- Primary informational pages for LLM retrieval: `index.html`, `about.html`, `nutrition.html`, `sunscreen.html`, `privacy.html`
- The timer and personalization workflow spans `timer.html` plus staged input pages (age, gender, skin type/Fitzpatrick, location, UVI details, planning).
- API endpoint exists at: https://www.suntanapp.com/api.aspx