<style>.xr_stt{z-index: 40 !important;}.frontobject{z-index: 50 !important;}</style> courtesy of Siran telephone number (block) is the “frontobject” that scrolls out of out of view to reveal the logo (stick at top)

logo

The Stick at Top z-index approach ensures that if the image is part under the Navbar content, on the hover, it stays under the Navbar
logo
Telephone Number