My Focus won’t start!!? 👎🏻

My 2002 Ford Focus wont start I’ve been looking in the engine bay now for about 2 hours trying to find the problem and she just won’t start please leave any comments below if you would know btw I’ve checked the timing belt looked for oil leaks (just in case) I found one small oil leak but that would not stop it from running right? I’ve looked at the radiator all the fluids are full fuel oil power steering radiator fluids are full everything has been looked at well as well as I know compression? I don’t know