Update Python version and GPU requirements in README; increase memory requirement for model inference

README.md

@@ -137,9 +137,9 @@ python enhance_cli.py -i input.jpg -o output/ --quiet
 
 ## 📋 Requirements
 
-- Python 3.8+
-- CUDA-capable GPU (recommended) or CPU
-- ~10GB GPU memory for model inference
+- Python 3.10+
+- CUDA
+- ~40GB GPU memory for model inference
 - Dependencies listed in `requirements.txt`
 
 ## 🎓 Use Cases