Logo Kit. Bostraion · social media variants & ready-to-post assets
Anatomy
§ A · ConstructionThe seal is built on a hexagonal basalt block (Hauran cut-stone). Three concentric cavea arcs (theatre tiers / civilisational strata) crown a serif B with italic ion subscript. A ledger baseline with four indexed anchors carries a gold pendant diamond — the authorised signature point.
Reading the seal
- Outer ringCircular containment · the seal disc
- Tier arcsThree concentric arcs · theatre / strata
- Ledger ruleCardo baseline · the audit course
- Serif BBostra · the documented root
- Gold diamondAnchor point · authorised signature
- Clear space≥ height of one tier arc on every side
- Min size24px for the synthesis seal · 16px for the compact mark
Core variants
§ B · Seven marksUse the synthesis seal as default. Drop to the compact mark below 32px. Use mono variants for ink/print and single-channel applications. Lockups for headers; monogram for ultra-tight crops.
Profile avatars · 1:1
§ C · LinkedIn · X · IG · YT · WhatsApp BusinessEvery platform crops the profile picture to a circle. These tiles preview that crop. Export at 1080×1080 for crisp display on retina screens. The compact mark and monogram read best at avatar sizes; the synthesis seal works ≥ 400px.
Banners · cover photos
§ D · X · LinkedIn · YouTube · Facebook3:1 wide format absorbs platform-specific crops (LinkedIn 4:1, X 3:1, YouTube 16:9-ish). Export at 1500×500 minimum. Logo sits left-of-centre; tagline at the optical baseline.
Story · vertical
§ E · IG / TikTok / LinkedIn story9:16 vertical for IG / TikTok stories or reel covers. Export at 1080×1920.
to verified execution.