docs(readme): free-standing cards, and drop the compound media query

Opera serves the stacked phone art to a full-screen desktop window whenever the
colour scheme is dark, and Chrome does not. The one unusual thing in the markup
was the first source, which combined two conditions:

    (prefers-color-scheme: dark) and (max-width: 700px)

GitHub only documents prefers-color-scheme in a README picture, so that source is
gone. No arrangement of single-condition sources can express "narrow and dark", so
width comes first and the colour scheme second: a phone in dark mode now gets the
light stacked art. Unreadable text is broken, a light card on a dark page is not.
grid-mobile-dark.svg goes with the source that referenced it.

The three fields also stop being compartments in one slab. They are three cards
now, each with its own wash, border and lift.

Type is a grade larger throughout because the old sizes were computed against a
1012px column. Measured on the rendered page, GitHub's README column is 838px, so
the label was landing at 14px and the caption at 13px.
This commit is contained in:
Maurice
2026-08-17 14:55:45 +02:00
committed by Maurice
parent 5440e76223
commit 1f3567d928
5 changed files with 124 additions and 159 deletions
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