Advice needed pls!

started a new job and traveled out to HQ ( i work remote) so it was to meet everyone and get trained. I am 23. The week went absolutely great. Cool people, smart people, cool job, great pay, etc. The last night that I was there (after a week and half), I went out to a casual bar with coworkers after work, had way too much to drink, blacked out , and definitely flirted with one of my new coworkers and ended up spending the night with him & we made out. I woke up mortified, so embarrassed of my actions and feel like I ruined everything. He was pretty regretful too & 5 others knew what happened bc they were there. I was in shambles & still am and am freaking out bc so out of character for me, and I don’t know how to recover. Part of me is like I have to quit this job to not think about this everyday but it is an amazing opportunity. Yes I know it was wrong, yes I know I fucked up, yes I know to not shit where you eat, I’m so aware. I feel horrible and the people that know said they would not be gossiping about it but can I save my reputation? Will this be a memory I can laugh about in 6 months or is this not gonna get better. I’ve been back home for a week, working as usual professionally, and the people that know checked in on me to make sure I was feeling okay & everyone seems to just be moving on business as usual. Help. I am spiraling every day and can’t shake the feeling. I also have to go back next month and see everyone for a company outing. So how does one recover from this gracefully? My mental health is down the drain.