av: clone broadcastbeat sources + AV Beat rebrand (Phase 1)

- Replaces the prior Rocket scaffold (saved on pre-bb-clone-rollback branch)
- Domain: broadcastbeat.com -> avbeat.com
- Brand: Broadcast Beat -> AV Beat
- Slug: broadcastbeat -> avbeat (package, identifiers)
- Schema fallback: bb -> av (env var name unchanged)
- Placeholder AV BEAT logo (gold->red gradient) at /assets/logos/av.svg
- All BB/RMP logo references repointed

Outstanding before public DNS swap:
  - Supabase av schema bootstrap (mirror of bb tables)
  - WordPress archive import (avbeat-com -> av.articles)
  - Coolify env vars
  - dev-avbeat.onsethost.com staging deploy + visual review

tailwind.config.js

@@ -8,24 +8,23 @@ module.exports = {
   theme: {
     extend: {
       colors: {
-        // AV Beat palette — orange/near-black, "Where AV Meets IT"
-        primary: '#0F0E0E',
-        secondary: '#1D1A1A',
-        accent: '#E67E22',
-        'accent-dark': '#C8651B',
-        'accent-muted': '#5a3413',
-        'accent-red': '#E67E22',
-        'accent-red-dark': '#C8651B',
-        background: '#0F0E0E',
-        card: '#1D1A1A',
-        foreground: '#F0EBE6',
-        muted: '#8a847e',
-        border: '#2a2624',
-        'navy-mid': '#1e1a18',
-        'navy-light': '#221c18',
-        'ice-blue': '#1D1A1A',
-        'top-bar': '#1D1A1A',
-        'sub-nav': '#161313',
+        primary: '#0d0d0d',
+        secondary: '#161616',
+        accent: '#3b82f6',
+        'accent-dark': '#2563eb',
+        'accent-muted': '#1e3a5f',
+        'accent-red': '#cc0000',
+        'accent-red-dark': '#aa0000',
+        background: '#111111',
+        card: '#1a1a1a',
+        foreground: '#e8e8e8',
+        muted: '#888888',
+        border: '#2a2a2a',
+        'navy-mid': '#1e1e1e',
+        'navy-light': '#222222',
+        'ice-blue': '#1a2535',
+        'top-bar': '#1a2535',
+        'sub-nav': '#161c28',
       },
       fontFamily: {
         heading: ['Georgia', 'serif'],