ON — members-only event. Registrants pick their tribe then select their name from the National Longhouse roster. The Guest / Prospective Member option is hidden — only verified NSD members can register.
OFF — open event. Registrants choose Existing Member (tribe + name) or Guest / Prospective Member (free-type name + optional referring tribe). Use this for recruitment campouts, open houses, or anything you want non-members to attend.

OFF — Teton-only (current behavior). Registrants only see Teton tribes.
ON — the registration page shows a "Select Nation" radio at the top; the tribe + name pickers reload from the chosen nation's National Longhouse roster. Pick which nations are allowed below.

OFF (default) — only 🪶 Tribe Member is offered; every additional adult must be picked from the NSD roster. Use this for members-only ceremonies, tribal council events, or anything where non-members shouldn't attend.
ON — the additional-adult picker offers both 🪶 Tribe Member and 💗 Spouse / Guest. Use this for family-friendly events where partners come along.

OFF (default) — the big Register button appears in the hero area at the top of /event-detail. Visitors can register immediately without scrolling.
ON — top hero button is hidden. The existing “↓ Event Details Below” hint stays; visitors must scroll through your description to reach the Register button at the bottom. Use this for events with important detail (e.g. multi-day adventures, complex pricing) where you want visitors to actually read first.

OFF (default) — no popup. ON — a customizable popup appears at the trigger points you pick below. Two buttons: a required Continue that lets the user proceed with registration, and an optional secondary button that opens a URL in a new tab.