Release v1.2.0: Newspaper-style layout with major UI refinements

This release transforms PING into a sophisticated newspaper-style digital
publication with enhanced readability and professional presentation.

Major Features:
- New FeaturedPostHero component with full-width newspaper design
- Completely redesigned homepage with responsive newspaper grid layout
- Enhanced PostCard component with refined typography and spacing
- Improved mobile-first responsive design (mobile → tablet → desktop → 2XL)
- Archive section with multi-column layout for deeper content discovery

Technical Improvements:
- Enhanced blog post validation and error handling in lib/blog.ts
- Better date handling and normalization for scheduled posts
- Improved Dockerfile with correct content volume mount paths
- Fixed port configuration (3025 throughout stack)
- Updated Tailwind config with refined typography and newspaper aesthetics
- Added getFeaturedPost() function for hero selection

UI/UX Enhancements:
- Professional newspaper-style borders and dividers
- Improved dark mode styling throughout
- Better content hierarchy and visual flow
- Enhanced author bylines and metadata presentation
- Refined color palette with newspaper sophistication

Documentation:
- Added DESIGN_BRIEF_NEWSPAPER_LAYOUT.md detailing design principles
- Added TESTING_RESULTS_25_POSTS.md with test scenarios

This release establishes PING as a premium publication platform for
AI orchestration and contextual intelligence thought leadership.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/globals.css

@@ -194,78 +194,14 @@ body {
 }
 
 
-/* CHORUS Blog Typography */
-.prose {
-  @apply max-w-none text-carbon-950 dark:text-carbon-100;
-}
-
-.prose h1 {
-  @apply text-h2 font-sans font-thin text-carbon-950 dark:text-mulberry-100 mb-8;
-}
-
-.prose h2 {
-  @apply text-h3 font-logo text-carbon-950 dark:text-mulberry-200 mb-6 mt-12;
-}
-
-.prose h3 {
-  @apply text-h4 font-sans text-carbon-950 dark:text-mulberry-300 mb-4 mt-8;
-}
-
-.prose h4 {
-  @apply text-h5 font-sans text-carbon-800 dark:text-mulberry-400 mb-3 mt-6;
-}
-
-.prose h5 {
-  @apply text-h6 font-sans text-carbon-700 dark:text-mulberry-500 mb-3 mt-6;
-}
-
-.prose h6 {
-  @apply text-h7 font-sans text-carbon-600 dark:text-mulberry-600 mb-2 mt-4;
-}
-
-.prose p {
-  @apply text-base leading-relaxed mb-6 text-carbon-800 dark:text-carbon-200;
-}
-
-.prose a {
-  @apply text-ocean-600 dark:text-ocean-400 hover:text-ocean-800 dark:hover:text-ocean-300 transition-colors underline decoration-ocean-500/30 hover:decoration-ocean-600/50 dark:hover:decoration-ocean-400/50;
-}
-
-.prose strong {
-  @apply text-carbon-950 dark:text-carbon-100 font-semibold;
-}
-
-.prose code {
-  @apply bg-carbon-200 dark:bg-carbon-800 text-eucalyptus-700 dark:text-eucalyptus-400 px-2 py-1 rounded-sm font-mono text-sm;
-}
-
-.prose pre {
-  @apply bg-carbon-100 dark:bg-carbon-900 border border-carbon-300 dark:border-carbon-700 rounded-lg overflow-x-auto p-4 mb-6;
-}
-
-.prose pre code {
-  @apply bg-transparent text-carbon-950 dark:text-carbon-200 p-0;
-}
-
-.prose blockquote {
-  @apply border-l-4 border-carbon-400 dark:border-mulberry-600 pl-6 italic text-carbon-600 dark:text-carbon-300 my-6;
-}
-
-.prose ul {
-  @apply list-disc pl-6 mb-6 space-y-2;
-}
-
-.prose ol {
-  @apply list-decimal pl-6 mb-6 space-y-2;
-}
-
-.prose li {
-  @apply text-carbon-800 dark:text-carbon-200;
-}
 
 /* Blog-specific utilities */
 .blog-container {
   @apply max-w-4xl mx-auto px-4 sm:px-6 lg:px-8;
+
+  padding-bottom: 0;
+  margin-bottom: 0;
+  border-bottom: none;
 }
 
 .blog-meta {