Questions: Girl's Behavior

So I know this girl from school since we were 10 (now we are 26) we were never really friends, but we were nice with each other, I had a tiny crush on her but never did anything. We saw each other many times in our life, we went to the same schools until we graduated University.

In our last year in University she invited me to the movies, nothing happend but it was cool, we got along pretty well, but afterwards she was really hard to keep in touch with in Whatsapp. We lost contact for almost 3 years, and started chatting in Instagram recently, we made plans to see each other, she suggested to watch a movie at her house, although because of Covid before I went to her home she said we should keep a "safe distance"

At her place (I arrived at 6 PM) we were having a conversation it was so great that we didn't watch any movie, and just talked until 5 AM when I left. All the time with "safe distance", she opened up to me a lot and told me very personal and private things in her life, I felt so comfortable I told her things as well although she gave more than I. After I left she send me a text telling me "she had a great time, she hadn't laugh so much in a while, and thanked me for being trustworthy"

Again it was hard to keep in touch with her in Instagram, but I pushed a little more that the last time, we went to the movies yesterday (a week after the time at her place). We were to meet at 8:20, but when it was time she texted me she was just getting out of her house I got a little upset about it but when she arrived (8:30) she was running and out of breath I thought it was cool. During the movie she didn't get close at all, but turned to see me many times during funny scenes smiling and laughing, but she was away all the time so I didn't find a time to try getting touchy flirting or somthing. When we said goodbye (In Mexico is common to say goodbye with a kiss in the cheek) we got close for the goodbye kiss, but she moved her head to obvious to not let me try anything

I'm a freshman in college, and during my orientation I tried this line on a girl I wanted to talk to. I saw her in the group ahead of me, walked over and said "Excuse me, if you don't mind me asking, what is your name?" . Mind you, I'm a 135lbs 5'8 white - fit looking white guy with a fairly deep voice, I highly doubt I'm intimidating in any way. For some reason, the girl said something, but I couldn't really hear her since she was wearing a mask, so I said "what did you say?" , the advisor leading the group then replied in her place and threatened to call the police (which wouldn't go anywhere obviously, maybe get her into trouble?), when I tried to explain myself. I was just in the group a little farther behind them and I decided it wasn't worth dealing with her, even though I didn't think I had done anything illegal or offensive.