Deconstructivism challenges ordered forms. Fragmented geometry, non-rectilinear shapes, distorted surfaces, controlled chaos. Famous: Guggenheim Bilbao (Gehry), CCTV Headquarters (OMA), Libeskind Jewish Museum, Hadid Vitra Fire Station. Extremely complex construction: parametric modeling, custom steel fabrication, 3D scanning for fit. $500-$2000+/sf. Architects: Frank Gehry, Zaha Hadid, Daniel Libeskind, Rem Koolhaas, Coop Himmelb(l)au.