Starting a firearms training company and I'm looking for a good platform for scheduling classes. Any suggestions?

I'm envisioning a single page website that displays a calendar showing the dates of the classes we offer. I'd like to be able to set a cap for each class and have the number of seats left displayed on the site. I'd also like to be able to have cc processing to take $ down to reserve their seat as well as for full payment if they choose.

Is there anything out there that can accommodate this or are we talking completely custom?

Thanks in advance

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