style(blog): strengthen accent treatments

www/src/components/BlogCard.astro

@@ -27,7 +27,7 @@ const readMore = { en: 'Read More', es: 'Leer Más', ar: 'اقرأ المزيد'
 </article>
 
 <style>
-  .author-byline { color: inherit; text-decoration: none; }
+  .author-byline { color: var(--color-accent-strong); font-weight: 600; text-decoration: none; }
   .author-byline:hover { text-decoration: underline; }
   .author-byline:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
   .blog-card-meta { align-items: center; display: flex; font-size: .78rem; gap: .75rem; }