Update src/app/page.tsx

src/app/page.tsx

@@ -2,6 +2,7 @@
 
 import { ThemeProvider } from "@/providers/themeProvider/ThemeProvider";
 import ReactLenis from "lenis/react";
+import { useState } from "react";
 import ContactSplitForm from '@/components/sections/contact/ContactSplitForm';
 import FaqBase from '@/components/sections/faq/FaqBase';
 import FeatureCardMedia from '@/components/sections/feature/FeatureCardMedia';
@@ -14,6 +15,14 @@ import ProductCardFour from '@/components/sections/product/ProductCardFour';
 import TestimonialCardSixteen from '@/components/sections/testimonial/TestimonialCardSixteen';
 
 export default function LandingPage() {
+  const [lang, setLang] = useState('RU');
+
+  const toggleLang = () => {
+    const langs = ['RU', 'EN', 'FA'];
+    const nextIndex = (langs.indexOf(lang) + 1) % langs.length;
+    setLang(langs[nextIndex]);
+  };
+
   return (
     <ThemeProvider
         defaultButtonVariant="directional-hover"
@@ -38,6 +47,14 @@ export default function LandingPage() {
             ]}
             brandName="ФАРУС"
           />
+          <div className="fixed top-4 right-4 z-50">
+            <button 
+              onClick={toggleLang}
+              className="bg-primary-cta text-white px-4 py-2 rounded-full font-semibold shadow-lg hover:scale-105 transition-transform"
+            >
+              {lang}
+            </button>
+          </div>
         </div>
 
         <div id="hero" data-section="hero">