bitcoinafterlife
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55 lines
2.7 KiB
Markdown
55 lines
2.7 KiB
Markdown
# Brand assets
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The official logo files are installed. This page explains what each one is and when to use it.
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## Files in `docs/assets/`
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| File | What it is | Used by |
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|---|---|---|
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| `logo.svg` | Copy of `logo-mark-white.svg` | Site header (Material reads `theme.logo`) |
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| `logo-mark-white.svg` | Symbol only, white | Header (on the accent blue), dark scheme |
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| `logo-mark-black.svg` | Symbol only, black | Homepage lockup in light scheme |
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| `logo-lockup-black.svg` | Symbol **+ "Bitcoin After Life"** wordmark, black | Print, covers, external use |
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| `logo-lockup-white.svg` | Same lockup, white | Dark backgrounds, external use |
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| `favicon.png` | Symbol in `#2d6cdf`, 256×256 | Browser tab (`theme.favicon`) |
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All were derived from the official `Logo nero.svg`: recoloured, and — for the mark-only
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versions — cropped to `viewBox="0 0 205.29 212.5"` to remove the wordmark band.
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## The Optima dependency — important
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The wordmark in the **lockup** files is live `<text>` in **Optima-Bold**, not outlines.
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On any machine without Optima installed, the browser substitutes another face and the
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wordmark no longer matches the brand.
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Two mitigations are already in place:
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1. A fallback stack — `'Optima-Bold', Optima, Candara, 'Segoe UI', 'Trebuchet MS', sans-serif`.
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2. The three original absolutely-positioned text runs (`Bitcoin` / ` ` / `After Life`) were
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merged into a **single centred `<text>`**. In the original they overlapped badly whenever
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Optima was missing.
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**The proper fix**, when someone has Optima and a vector editor: open the lockup, convert
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the text to outlines (Illustrator: *Type → Create Outlines*; Inkscape: *Path → Object to Path*),
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re-export, and replace the two lockup files. After that the wordmark is font-independent.
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Until then, prefer the **mark-only** files wherever the rendering environment is unknown.
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## Why the homepage does not use the lockup SVG
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The homepage builds its own lockup: the mark, then "Bitcoin After Life" as HTML text in
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**Inter**. This mirrors what the website's top bar does, and sidesteps the Optima problem
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entirely. See `.bal-hero` in `docs/stylesheets/extra.css`.
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## Typeface note
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`OPTIMA.TTF` ships in the `bal-website` repo, but Optima is a licensed commercial typeface.
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Do **not** self-host it as a webfont in this repository unless the project holds a webfont
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licence. The manual uses Inter, matching the landing page's `--display` / `--body` stack.
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## Replacing a logo later
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Keep the filenames. Drop the new file over the old one and rebuild — `mkdocs.yml`,
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`index.md` and the CSS all reference these names, so nothing else changes. If you replace
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`logo-mark-white.svg`, copy it over `logo.svg` too (that is the header logo).
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