Responsive Space tourism multi-page website using scss, pug and gulp

I hope this comment finds you well.I have recently worked on this Space tourism multi-page website. I believe that there is room for improvement. I recognize that there might be areas where it can be further optimized and made more efficient.I would greatly appreciate it if you could take some time to review my code and provide your insights. #html#css#vanilla JavaScript #pug.js(Jade) #gulp.js #sass(.scss)