diff --git a/README.md b/README.md
index e69de29..4b971c1 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1,9 @@
+# ONEREDUNIT CODEX
+> Infrastructure. Identity. Intelligence.
+
+This repository is part of the SARMATA5 Codex system.  
+It contains documentation and definitions for **core IT structure**, including units, device roles, naming conventions, and service architecture within the `oneredunit.com` domain.
+
+---
+
+### 📁 Structure
\ No newline at end of file