Mean distance to cosmic filaments measured in the full three-dimensional cosmic web for starburst (purple), MS (blue), and quenched (red) galaxies as a function of redshift in SIMBA, using the same selection and mass-matching procedure as in Fig. 2. This figure is the 3D counterpart of the upper-left panel of Fig. 2, without projection on a 2D plane. While the relative ordering between populations is preserved, the absolute distances are larger than in the projected case, and the redshift dependence of the trends differs, reflecting the impact of projection effects.