fix build

src/components/Carousel.jsx

@@ -38,7 +38,7 @@ const cards = [
 
 const MultiCardCarousel = () => {
   const [currentIndex, setCurrentIndex] = useState(0);
-  const [isMobile, setIsMobile] = useState(window.innerWidth < 640);
+  const [isMobile, setIsMobile] = useState(false); // Start with false, will be updated in useEffect
 
   useEffect(() => {
     const handleResize = () => {