Coherent Gravity Theory (CGT) — Paper Series Description A six-paper series presenting Coherent Gravity Theory, a geometric framework unifying Modified Newtonian Dynamics (MOND), General Relativity, quantum mechanics, special relativity, dark energy, and the fermion mass spectrum from higher-dimensional geometry. Core claim: Spacetime includes compact extra dimensions — a Hubble-scale circle (setting the MOND acceleration scale a_0 = cH_0/(2pi)) and an S7/Z_33 orbifold (encoding particle physics). The framework derives rather than assumes: The MOND interpolating function nu(x) = sqrt(1 + 1/x) The galaxy cluster sqrt(3) enhancement from 7D Vlasov dispersion The cosmological constant Lambda = 2.03 H_02/c2 The Koide formula K = 2/3 for charged leptons The Cabibbo angle theta_C = 45 deg / sqrt(12) = 12.99 deg Empirical validation: SPARC rotation curves (175 galaxies), X-COP cluster data (7 clusters), wide binary EFE suppression, Bullet Cluster lensing offsets. MOND from 5D Geometry (Version 3) Derives the MOND interpolating function nu(x) = sqrt(1 + 1/x) from a fifth compact dimension. The observable acceleration is the quadrature norm of perpendicular components (4D Newtonian + W-sector), with a geometric-mean constitutive rule g_W^2 = a_local * a_0. Validated against 175 SPARC galaxies (lowest chi^2 among tested interpolating functions). Wide binaries validated with smooth EFE suppression model (predicted 1.364 vs observed 1.363). The acceleration scale a_0 = cH_0/(2pi) emerges from the W-circle circumference.