Vyxal, 5245 bitsv2, 65.5625 bytes
Πz11=∑ǍbzvΠ∑Ǎ
Bitstring:
1111111110001000111001011000011001110100101101111101
Explained
Πz11=∑Ǎ
Π # Convert input to a binary string
z # Overlapping pairs
11= # Does each equal 11?
∑ # Summate that
Ǎ # -1 ** that
💎011100100001001101011110010110110000010001101
Created with the help of Luminespire.