Clarify MLE = token-level cross-entropy (relabel table + CE footnote)

Add written-out loss objectives (KaTeX formulas) under the methods table

Add 'Reading the geometry' glossary up top (defines cosine, principal angles, LMC, CKA)

Redesign: flat printed-broadsheet theme, no gradients/shadows, muted palette

Interactive blog: Same Data, Different Losses, Same Circuits?