It is quite a strong line for it to be an indent/even line. I personally used a first response when I got my first BFP and initially didn’t see a line until well after 5 minutes. It became clearer over the course of an hour or so too! Just do another test to ensure validity but it looks promising 🤞🏻
It is not valid and does not indicate you're pregnant. The test must be read in the time frame given.