BitConcepts Brand Assets v1.0.0

First release of the canonical BitConcepts brand assets.

• Mark: hand-authored circuit-B master SVG (logo/bitconcepts-mark.svg) — gradient B (#03A1D0 → #38C2EC) fed by PCB traces and ring-and-core node dots, on charcoal #1A1D21.
• Variants: on-charcoal, horizontal lockup, mono white, mono black — generated from the master.
• Rasters: transparent PNGs (mark 1024–32, lockup 1024/512/256), favicon set (SVG, multi-size ICO, apple-touch 180), OG card 1200×630.
• Palette: color/palette.json + color/palette.css (Charcoal Field/Card, Circuit Blue/Bright).
• Guidelines: BRAND.md (construction, clear space, minimum sizes, backgrounds, misuse). Gallery: index.html.
• Verification: every asset's sha256 + dimensions in assets-manifest.json (31 assets).

Brand assets © BitConcepts, all rights reserved (LICENSE). Build scripts are MIT.