Successfully implemented the following improvements:

Mobile Menu Optimization ✓
Fixed duplicate script loading issue
Improved menu closing behavior after item selection
Added smooth scroll for anchor links
Enhanced touch targets for better mobile usability
Added proper ARIA attributes for accessibility
Implemented fade animation for menu transitions
Responsive Design Improvements ✓
Adjusted menu height to use viewport units
Added proper padding for notched phones
Improved touch target sizes
Enhanced menu item spacing and interaction feedback
Fixed menu scrolling on long content
Performance & Accessibility Enhancements ✓
Added meta description for SEO
Implemented proper aria-expanded states
Added smooth animations with performance considerations
Improved event listener efficiency
Added empty favicon to prevent 404 errors
Code Quality Improvements ✓
Removed duplicate code
Improved event handling
Enhanced error handling
Better organization of CSS media queries
Added proper touch device detection
All changes maintain existing functionality while improving user experience, accessibility, and performance. The mobile menu now behaves more naturally, with proper closing behavior and smooth transitions.

public/css/responsive.css

@@ -41,32 +41,53 @@
     }
 
     .logo-sub {
-        margin: 1.5rem;
         font-size: 0.85rem;
+        padding: 1.5rem;
         margin: 0;
-        padding: 1.5rem 1.5rem;
     }
 
     .mobile-menu-toggle {
         display: block;
+        padding: 0.5rem;
+        transition: opacity 0.3s ease;
+    }
+
+    .mobile-menu-toggle:active {
+        opacity: 0.7;
     }
 
     .nav-menu {
         display: none;
-        position: absolute;
+        position: fixed;
         top: 55px;
         left: 0;
         right: 0;
         background: var(--bg-card);
-        padding-top: 40px;
-        padding-bottom: 500px;
+        min-height: calc(100vh - 55px);
         flex-direction: column;
         align-items: center;
         border-bottom: 1px solid var(--border-color);
+        padding: 2rem 1rem;
+        gap: 1.5rem;
+        overflow-y: auto;
+        -webkit-overflow-scrolling: touch;
     }
 
     .nav-menu.active {
         display: flex;
+        animation: fadeIn 0.3s ease-in-out;
+    }
+
+    .nav-menu a {
+        padding: 0.75rem 1.5rem;
+        width: 100%;
+        text-align: center;
+        border-radius: 0.25rem;
+        transition: background-color 0.3s ease;
+    }
+
+    .nav-menu a:hover {
+        background-color: var(--hover-color);
     }
 }
 
@@ -128,8 +149,13 @@
     .logo-sub {
         font-size: 0.8rem;
         line-height: 1.4;
+        padding: 1.5rem;
         margin: 0;
-        padding: 1.5rem 1.5rem;
+    }
+
+    .nav-menu {
+        top: 50px;
+        min-height: calc(100vh - 50px);
     }
 }
 
@@ -162,14 +188,19 @@
 
     .logo-sub {
         font-size: 0.75rem;
-        margin: 0.75rem;
+        padding: 0.75rem;
     }
 }
 
 /* Ensure touch targets are large enough on mobile */
 @media (hover: none) {
-    .contact-info a {
-        padding: 0.75rem 0;
+    .contact-info a,
+    .nav-menu a {
+        padding: 0.75rem;
+        min-height: 44px;
+        display: flex;
+        align-items: center;
+        justify-content: center;
     }
 
     .service-card {
@@ -191,4 +222,21 @@
         padding-left: max(1rem, env(safe-area-inset-left));
         padding-right: max(1rem, env(safe-area-inset-right));
     }
+
+    .nav-menu {
+        padding-left: max(1rem, env(safe-area-inset-left));
+        padding-right: max(1rem, env(safe-area-inset-right));
+        padding-bottom: max(1rem, env(safe-area-inset-bottom));
+    }
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(-10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
 }