Relationship with God is your faith or IMAN reflected in your total submission. That relationship, that spirituality is personal.
What matters in my relationship with men is defined by their deeds OF TAQWA. Are these not our daily struggle finding commonality in Righteous deeds in developing a righteous ecosystem? That’s the universalism in the deen
Then there are the manhaj n syariat for each tribe. You can enjoy the various manhaj n syariat by being tribal n at the same time be a citizen of the world by embracing the Sunnatullah and Sunnah of the various prophets as revealed in the Quran.
That’s the deen. The spirituality in the deen , the connection with the creator in whatever act is what makes it beautiful. It cannot be de-linked.