What are the functional requirements for the service? Describe the main pages and user flow.

Functional requirements for the service depend on its purpose, but generally, the following main pages and user flow can be identified:

• Main page — overview of key features, user greeting, navigation.
• Registration/Login page — account creation and authentication.
• User profile — viewing and editing personal data.
• Main functional section — depending on the service, e.g., product catalog, news feed, control panel.
• Settings page — managing service parameters.
• Support/Feedback page — assisting the user.

The user flow typically includes:

1. Registration or login.
2. Familiarization with the main features.
3. Performing key actions (purchase, content creation, settings, etc.).
4. Receiving feedback or results.
5. Logging out.

For a more precise description, the specifics of the service need to be known, but it is important to ensure intuitive navigation, minimal steps to achieve user goals, and error handling.