WordPress Hacked Redirect

Hey guys hope all of you having an amazing day,

my website got hacked, I found a code in .htaccess I deleted it but the next day it was there again, and before that I found new file I also deleted it but it came again.

my website is working fine. but when I type site:watermadness.com in google I get so many pages that are not mine.

The page I need help with: [log in to see the link]