diff --git a/.htaccess b/.htaccess
index 5762c3a..ccfec99 100644
--- a/.htaccess
+++ b/.htaccess
@@ -1,14 +1,16 @@
 RewriteEngine On
 
-# Remove .html extension from URLs
-RewriteCond %{REQUEST_FILENAME} !-d
-RewriteCond %{REQUEST_FILENAME} !-f
-RewriteRule ^([^\.]+)$ $1.html [L]
-
-# Redirect .html URLs to clean URLs
+# Redirect .html URLs to clean URLs (except index.html)
 RewriteCond %{THE_REQUEST} /([^.]+)\.html [NC]
+RewriteCond %1 !^index$ [NC]
 RewriteRule ^ /%1? [NC,L,R=301]
 
+# Add .html extension to clean URLs
+RewriteCond %{REQUEST_FILENAME} !-f
+RewriteCond %{REQUEST_FILENAME} !-d
+RewriteCond %{REQUEST_FILENAME} !^.*\.(css|js|png|jpg|jpeg|gif|webp|svg|ico|pdf)$ [NC]
+RewriteRule ^([^\.]+)/?$ $1.html [L]
+
 # Handle 404 errors
 ErrorDocument 404 /index.html