flowchart TD
    A[💡 Got an Idea?] --> B{What's your project?}
    B -->|🌐 Web API| C[Backend Development]
    B -->|🤖 Discord Bot| D[Bot Development]
    B -->|🔧 IoT Solution| E[Hardware + Software]
    B -->|📊 Database System| F[Data Architecture]
    C --> G[📅 Email Filip]
    D --> G
    E --> G
    F --> G
    click G "mailto:contact@mail.pindej.cz" "Send me an email!"
    style A fill:#222,stroke:#fff,stroke-width:2px,color:#fff
    style G fill:#8e24aa,stroke:#fff,stroke-width:2px,color:#fff
    style B fill:#1976d2,stroke:#fff,stroke-width:2px,color:#fff
    style C fill:#1976d2,stroke:#fff,stroke-width:2px,color:#fff
    style D fill:#e53935,stroke:#fff,stroke-width:2px,color:#fff
    style E fill:#ffb300,stroke:#fff,stroke-width:2px,color:#222
    style F fill:#fbc02d,stroke:#fff,stroke-width:2px,color:#222

graph LR
    Backend[Backend]
    DevOps[DevOps]
    IoT[IoT & Hardware]
    API[API & Integration]
    Docs[Docs]
    Testing[Testing]
    Backend --> B[.NET & C#<br/>Clean Architecture<br/>DDD, CQRS<br/>EF Core, PostgreSQL<br/>JWT, OAuth]
    DevOps --> D[Docker<br/>GitHub Actions<br/>CI/CD<br/>Monitoring, Logging]
    IoT --> I[ESP32<br/>Arduino, PlatformIO<br/>Sensors<br/>WiFi/Bluetooth]
    API --> A[REST<br/>GraphQL<br/>Discord Bots<br/>3rd Party Integrations]
    Docs --> G[OpenAPI<br/>Swagger<br/>Markdown]
    Testing --> T[xUnit<br/>Moq<br/>TDD]
    style Backend fill:#1976d2,stroke:#fff,stroke-width:2px,color:#fff
    style DevOps fill:#8e24aa,stroke:#fff,stroke-width:2px,color:#fff
    style IoT fill:#ffb300,stroke:#fff,stroke-width:2px,color:#222
    style API fill:#388e3c,stroke:#fff,stroke-width:2px,color:#fff
    style Docs fill:#fbc02d,stroke:#fff,stroke-width:2px,color:#222
    style Testing fill:#e53935,stroke:#fff,stroke-width:2px,color:#fff