The 3-bet range is now a vault; the defense lives on cheap flops and merciless discipline afterward.
The 3-bet range condenses toward hands that welcome a giant pot; almost everything else that plays well flats. Bloated pots with dominated hands are how 500bb stacks vanish.
Big blind versus cutoff: a wide open meets the discounted close. Defend broadly, and make the suited hands do the heavy lifting.
Assumes a ~4bb open; 3-bet to ~3x the open in position, ~4x from the blinds — larger as stacks deepen.