lib-theme-beacon: initial import (access-first set, 2026-07)

One of three candidates for the access-first / maximum-legibility theme
family (WCAG AAA as identity): 7:1+ contrast on every pair (passes
validate-theme.mjs --aaa), 1.125rem body floor with nothing under 14px,
44px controls for everyone, 3px focus rings, links underlined at rest,
reduced-motion built in. Built for IGH/NDIS-facing surfaces first.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

README.md

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+# lib-theme-beacon
+
+**Beacon — dark-native AAA.** The access-first theme for photophobic and
+low-vision users who need dark high contrast. Near-black neutral field (not
+pure `#000`, to avoid halation) carrying ~16:1 light ink, cards separated by
+strong light-alpha borders, and one bright accessible yellow-gold action —
+the lighthouse beam — with pure-black ink at ~14:1. Links underlined at
+rest; 3px focus outline in the beam yellow; warning pushed to orange so it
+never reads as the primary. Light mode is a competent high-contrast light
+variant (deep amber-brown actions, ~17:1 ink).
+
+Access-family DNA: type ramp starts at 1.125rem body / nothing below 14px,
+generous line-heights, 44px controls for everyone (not just coarse
+pointers), springs aliased to standard eases, `prefers-reduced-motion`
+zeroes transitions.
+
+Part of the access-first candidate set (lucent / lantern / beacon), built
+2026-07 against the Crema v1 token contract; passes
+`create-crema-app/scripts/validate-theme.mjs`.
+
+## Fonts
+
+Consuming apps load **Public Sans** (USWDS accessibility heritage) and
+**IBM Plex Mono** at the top of their entry CSS:
+
+```css
+@import url("https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap");
+```
+
+Body and headings are both Public Sans (headings at weight 600); code is
+IBM Plex Mono.