I was just curious if there are any rules around mixing url popovers with url modals? For example, there may be a few urls in the footer. A "Terms and Conditions" url may be used to display a lengthy page of terms and conditions. Therefore, a modal containing a dedicated page would be appropriate for this. However, a "Support" url may just display an email address and phone number so a popover may be appropriate for this.
Different display implementations may be appropriate for these 2 different pieces of information. However, are there any rules about using these 2 alternate display implementations together from the same collection of urls?