docs: clearly separate AI solutions from SpaceGeol pure physics simulation

README.md

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 # GeoStratum 🌍
-### Applied Edge AI for Geosciences & Field Intelligence
+### Geoscience Software & Applied Edge AI Solutions
 
 **Digitizing the field. Centralizing your tools.**
 
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-GeoStratum bridges classical Earth science methods with state-of-the-art **Local-First, Embedded Edge AI**. We build production-grade software and quantization pipelines designed to operate directly on mobile Neural Processing Units (NPUs), Windows on ARM, and embedded accelerators — guaranteeing 100% offline autonomy, zero cloud dependency, and total data ownership in harsh field conditions.
+GeoStratum combines Earth science methodology with production-grade software and **Local-First, Embedded Edge AI**. We develop tools for field geologists, researchers, and students, engineered for complete offline autonomy, zero cloud dependency, and total data ownership in harsh field environments.
 
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-## 🔬 Machine Learning & Edge AI Focus Areas
+## 🔬 Machine Learning & Edge AI Research
+
+Our machine learning research focuses strictly on edge deployment and offline geological analysis:
 
 ### 1. Sub-Byte & Full-Integer Quantization (W4A8 & INT8)
 - **Zero-FP32 Execution Graphs** : Enforcing strict integer kernels without floating-point fallback buffers, preventing memory stalls on mobile NPUs (Qualcomm Hexagon HTP, Google Tensor TPU, MediaTek APU, Intel NPU).
@@ -45,11 +47,14 @@ GeoStratum bridges classical Earth science methods with state-of-the-art **Local
 
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-## 🛠️ The GeoStratum Production Ecosystem
+## 🛠️ The GeoStratum Software Ecosystem
 
+### AI-Powered Solutions:
 - 🪨 **[Lithothèque](https://www.geostratum.eu/lithotheque)** : Digital field notebook for Android & Windows. 100% offline resilience, embedded LiteRT rock classification across 104 lithological classes, sub-millimeter scale metrology, and AES-256 local encryption *(Google Play, 1k+ downloads, 4.8★)*.
 - 🏛️ **[Stratalog](https://www.geostratum.eu/stratalog)** : Native Windows 11 desktop application (C# WinUI 3 & C++ DLL) for vector stratigraphic column design, borehole logging, and local multimodal AI assistance (Google Gemma 4 E2B Instruct via Qualcomm QAIRT, Intel OpenVINO, and LLamaSharp).
-- 🪐 **[SpaceGeol](https://www.geostratum.eu/spacegeol)** : Interactive 3D orbital mechanics and planetary geology simulation running in WebGL/Three.js (authentic Newtonian flight physics, Keplerian orbits, and planetary mineral spectrography). *(Pure physics and 3D simulation — no AI).*
+
+### Physics & 3D Simulation (Non-AI):
+- 🪐 **[SpaceGeol](https://www.geostratum.eu/spacegeol)** : Interactive 3D planetary geology and space mission simulator running in WebGL/Three.js. Powered exclusively by authentic Newtonian flight dynamics, Keplerian orbital mechanics, and real planetary mineralogy *(No AI involved)*.
 
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