diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..d0a7d1f54
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,22 @@
+# Default: normalize all text files to LF in the repo
+* text=auto eol=lf
+
+# Explicitly force LF for files we own
+*.csv     text eol=lf
+*.yml     text eol=lf
+*.yaml    text eol=lf
+*.sh      text eol=lf
+*.py      text eol=lf
+*.md      text eol=lf
+*.json    text eol=lf
+*.txt     text eol=lf
+
+# True binary files — never touch line endings
+*.png     binary
+*.jpg     binary
+*.jpeg    binary
+*.gif     binary
+*.ico     binary
+*.zip     binary
+*.gz      binary
+*.tar     binary