depression

hi guys its my first time posting on here since idk what to do anymore.
im 16 years old and i have been struggling with depression (not diagnosed tho but pretty certain) for 2 years with no help.
in february 2026 i got out of school which led to complete isolation to the point my emotions (happiness, excitement etc) went numb. i have been getting worse everyday and i really dont know what to do.
i know i can go to the doctors to ask for help but its so hard for me. my mom doesnt even care anymore, yesterday i cried and she just shut my door. i even once told her i needed help and she acted clueless (she even knows abt my sh)
today i felt so weak and dead and i felt so weird. im so hopeless im really lost.
this might flop but its the only thing i can do