[Smush Pro] Problem with large images

Hello,
I have problem with my large images on my website. All small and medium are in very good quality. But every image what is in large size is getting blurred. I’m trying all the options, uploading all sizes of images – from 2500px to 1000px and nothing happens. I know that there is something small trick, and it will be fine. Look at my hero images on main site. When im using Elementor, they look really good. And on a website they look blurred. Can you help me? That images are very important to my website. I’m fighting with this from 3 days. Without result.