iab_300x250
square_med
12 sizes · 9 IAB display + 3 social · all hydrated from data/sans_brief.json + proof-points-register.md. Visual canon held: PhotoStripeOverlay (black via mixBlendMode), Tines magenta wedge, RegScale wordmark with Cyber Orange dot, solid Cyber Orange CTA.
iab_300x250
square_med
iab_336x280
square_med
iab_250x250
square_small
iab_728x90
leaderboard
iab_320x50
mobile_banner
iab_320x100
mobile_large
iab_160x600
skyscraper
iab_300x600
halfpage
iab_970x250
billboard
social_1200x627
social_wide
social_1080x1080
social_square
social_1200x675
social_wide