I wonder if a simple sans-serif font would go nice with the serif font you have at the moment. eg serif titles and sans-serif paragraphs. Might be worth a try.
Smooth scroll is nice.
Some images are quite large, you may want to try an image compressor. There’s several online.
Works well on mobile. However, on a minor note, when I tested it in Googles page speed test they rendered it differently, so it’s possible there’s some (likely older) mobile browsers that render it a bit different. I imagine the majority of of devices would be fine though.
On line 166
© should be
Nice work. Very impressive for just 2-3 months learning code!