Altima,My clutch went from a slip in one gear to all 6 gears to sticking to the floor all in under 3 hours of non consecutive driving.

I have a question regarding my clutch in my 2012 nissan altima 2.5s 6 speed with 60k miles on it. I drove it one day a few weeks ago and noticed a slight slip if i would get on it a little or shift past 3000 rpm in 3rd gear. I only drove it a short while perhaps an hour mostly highway. The next day i noticed the slip in every gear around the same rpm range. After an hour the slip made its way all the way to 5th and 6th gear and it died on me shortly after. The clutch pedal did have resistance but that shortly went away and it stuck to the floor. I had it towed and it took a week for me to g