Grid and responsiveness

What are you most proud of, and what would you do differently next time?

I am proud of the responsiveness that I used in this project also I used root selector which I use very often and also I tried using more of "rem" instead of "px". I tried writing code more professionally.

What challenges did you encounter, and how did you overcome them?

Mainly the image responsiveness and the whole responsiveness part was hard for me but I tried googling and watching YouTube videos, which guided me in the right direction.

What specific areas of your project would you like help with?

I would like more help to know that what should I create first? As in should I try making responsive website first or should I make desktop friendly website first? I am confuse in this part. Please guide me in this direction for my future projects. Also apart from this if you find any suggestion which will be helpful for me. Please let me know. Thanks in advance.