feat: Update submenu link styles to remove underline and improve visual consistency

theme/assets/css/main.css

@@ -548,23 +548,14 @@ p:last-child { margin-bottom: 0; }
   .site-nav.open .nav-menu a {
     color: var(--color-heading);
     font-size: 1.25rem;
-    padding-bottom: 2px;
-    border-bottom: none !important;
-    text-decoration: none !important;
-    outline: none !important;
-    box-shadow: none !important;
+    text-decoration: none;
   }
-  .site-nav.open .nav-menu a::after,
-  .site-nav.open .nav-menu a:hover::after,
-  .site-nav.open .nav-menu .current-menu-item > a::after {
-    display: none !important;
-    content: none !important;
+  .site-nav.open .nav-menu a::after {
+    display: none;
   }
   .site-nav.open .nav-menu a:hover,
   .site-nav.open .nav-menu .current-menu-item > a {
     color: var(--color-primary);
-    text-decoration: none !important;
-    border-bottom: 2px solid var(--color-primary) !important;
   }
 
   /* Mobile sub-menu */

theme/theme.json

@@ -142,7 +142,7 @@
             "text": "var:preset|color|primary-dk"
           },
           "typography": {
-            "textDecoration": "underline"
+            "textDecoration": "none"
           }
         },
         ":focus": {