diff --git a/nginx.conf b/nginx.conf
index 936f441..abaaccc 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -9,7 +9,7 @@ server {
     add_header X-XSS-Protection "1; mode=block";
     add_header X-Content-Type-Options "nosniff";
     add_header Strict-Transport-Security "max-age=31536000";
-    add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://unpkg.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:;";
+    add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://unpkg.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; media-src 'self';";
 
     # Compression
     gzip on;
@@ -21,8 +21,18 @@ server {
         add_header Cache-Control "public, no-transform";
     }
 
+    # Video files handling
+    location /videos/ {
+        alias /usr/share/nginx/html/videos/;
+        add_header Cache-Control "public, no-transform";
+        types {
+            video/mp4 mp4;
+        }
+        add_header Accept-Ranges bytes;
+    }
+
     # Static asset caching
-    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|vtt|txt)$ {
         expires 30d;
         add_header Cache-Control "public, no-transform";
     }