Use the dedicated Marco square icon on the site and preview card

README.md

@@ -36,6 +36,11 @@ One page: a redstone line powered by the quartzdev mark, with each project as a
 in its brand color. Kiln is featured first. Logos: quartzdev, Kiln, and Marco live in
 `public/logos/`; Modrinth and social icons come from Simple Icons; side projects use the GitHub icon. Font: Geist.
 
+The Marco icon is the exported “m — Square” SVG from
+[Marco PR #20](https://github.com/marco-getbacktobiz/site-getbacktobiz.com-tanstack/pull/20),
+commit `e0824e619adc20d76c624d2a8cd0a96fb15fcc32`. The site and social-card generator share
+`public/logos/marco.svg`.
+
 ## SEO and link previews
 
 Titles, descriptions, Open Graph/Twitter tags, and JSON-LD live in `src/lib/seo.ts`, with the copy

src/components/marks.tsx

@@ -27,7 +27,7 @@ export function KilnLogo() {
 /** Each project's logo in its own colors. */
 export function ProjectLogo({ id }: { id: ProjectId }) {
   if (id === 'marco') {
-    return <img className="logo" src="/logos/marco.svg" alt="" width="64" height="64" />
+    return <img className="logo" src="/logos/marco.svg?v=m-square" alt="" width="64" height="64" />
   }
   if (id === 'modrinth') {
     return (

src/content/site.ts

@@ -14,7 +14,7 @@ export const site = {
     'Building Kiln, running Marco, and maintaining popular Minecraft projects like HuskHomes.',
   /** Short 1200×480 card, generated by `pnpm social-card`. */
   socialImage: {
-    path: '/social-card.png',
+    path: '/social-card.png?v=m-square',
     width: 1200,
     height: 480,
     alt: 'Derek, aka QarthO. Building Kiln, Marco, and Minecraft software.',