chore: Remove favicon and enhance global styles

- Delete unused favicon.ico file to clean up project assets
- Add smooth scrolling behavior to html element for improved user experience
- Refactor box-shadow property in Toastify styles for better readability
- Update button states in Contact Us and Inquiries forms to include hcaptchaToken validation

app/globals.css

@@ -9,6 +9,10 @@
 body {
   font-family: "Inter", sans-serif;
 }
+
+html {
+  scroll-behavior: smooth;
+}
 @theme {
   --background: #171717;
   --foreground: #ffffff;
@@ -31,7 +35,8 @@ body {
 }
 
 .dark .Toastify__toast {
-  box-shadow: 0 20px 25px -5px rgb(255 255 255 / 0.07),
+  box-shadow:
+    0 20px 25px -5px rgb(255 255 255 / 0.07),
     0 8px 10px -6px rgb(255 255 255 / 0.05) !important;
 }