diff --git a/templates/base.html b/templates/base.html
index 78e3f41..50c4bb4 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -64,12 +64,24 @@
                 transition: width 0.1s ease-out;
             }
 
+            /* Header and nav z-index for dropdown stacking */
+            header {
+                position: relative;
+                z-index: 9999;
+            }
+            
+            nav {
+                position: relative;
+                z-index: 9999;
+            }
+
             /* Dropdown navigation styles */
             .nav-dropdown {
                 position: relative;
                 display: inline-block;
                 padding: 0.5rem;
                 margin: -0.5rem;
+                z-index: 9999;
             }