Since your cable and brick work for other devices you might also check your USBC port on the device. USBC is a big opening and it is possible that there's something in the port stopping it from fully seating. Take a look in there and maybe blow it out with some compressed air just for fun.
Before this had you noticed any slow charging times? The device getting unusually warm or hot? These can be signs that something isn't making the needed connection, preferably something in the port that can be removed vs a bad port.
Prior to this the device die due to low power? This can be bad for the device and cause the device to be unresponsive, but
@B. Diddy's advice usually cures that if it is the issue. Usually.
Does the plug feel solid in the port? Has the device taken any falls or drops recently? There are many ways to damage a device, a drop on the plug while connected could push the PCB the port is connected to and cause problems. Just a regular drop at the wrong angle. I once saw a device fall on the pavement and survive and the same device fall on thick carpet and break.
Let us know what you find and we'll offer more advice with your added information.
Best wishes.