diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b47b79c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+# Media files too large for git
+*.mp4
+*.MOV
+*.mov
+*.avi
+*.mkv
+*.HEIC
+*.HEIC.JPG
+
+# Keep PDFs and images under 5MB in materials, exclude large ones