Update src/app/page.tsx

Merge version_1 into main

src/app/page.tsx

@@ -71,7 +71,7 @@ export default function LandingPage() {
           testimonialRotationInterval={5000}
           buttons={[
             { text: "Book Appointment", href: "booking" },
-            { text: "Call Now", href: "tel:03214976119" }
+            { text: "WhatsApp Now", href: "https://wa.me/923214976119" }
           ]}
           buttonAnimation="slide-up"
         />
@@ -282,4 +282,4 @@ export default function LandingPage() {
       </div>
     </ThemeProvider>
   );
-}
+}