Update language selector modal with close button and improved styling

- Added an "X" close button in the top-right corner of the language selector modal.
- Improved modal styling for better visibility and user experience.
- Enhanced language selection buttons with flag icons and hover effects.
- Added JavaScript functionality to close the modal on "X" click and "Esc" key press.

style.css

@@ -980,6 +980,80 @@ form.visible, #contact h2.visible, #contact p.visible {
     opacity: 1;
     transform: translateY(0);
 }
+
+/* Modal Styling */
+.modal {
+    display: none;
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0, 0, 0, 0.5);
+    justify-content: center;
+    align-items: center;
+    z-index: 1000;
+}
+
+.modal-content {
+    background-color: #fff;
+    padding: 20px;
+    border-radius: 8px;
+    text-align: center;
+    position: relative;
+    width: 300px;
+    max-width: 90%;
+}
+
+/* Close Button Styling */
+.close-button {
+    position: absolute;
+    top: 10px;
+    right: 10px;
+    background: none;
+    border: none;
+    font-size: 1.5rem;
+    color: #333;
+    cursor: pointer;
+    transition: color 0.3s;
+}
+
+.close-button:hover {
+    color: #888;
+}
+
+.modal-content h3 {
+    margin-top: 0;
+}
+
+.language-options {
+    display: flex;
+    justify-content: space-around;
+    margin-top: 20px;
+}
+
+.language-btn {
+    background-color: #f0f0f0;
+    border: none;
+    padding: 10px 20px;
+    border-radius: 8px;
+    font-size: 1rem;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    transition: background-color 0.3s;
+}
+
+.language-btn:hover {
+    background-color: #ddd;
+}
+
+.flag-icon {
+    width: 24px;
+    height: auto;
+}
+
 /* Footer Styling */
 footer {
     padding: 40px 20px;