A combination of Nahuatl, Chinese, modern Mexican, and Early Soviet futurist elements. Picture modern Aztecs covered in tattoos with bright blue teeth, sombreros and togas smoking portable hookahs, dwelling in art deco houses, riding buses fueled by Ammonia, and living in a profoundly Communist society, and you have us, mostly

Schizo-Tech. Some is modern, some is past, some is future. Our civilization evolved very idiosyncratically. Does hydroponic agriculture count as modern if it was used since antiquity? Is an RBMK reactor past tech if we invented solutions to its problems beforehand? Where does using Ammonia as a fuel source fall? Who can say?