Neubau Fundament + Startseite: Designsystem, PHP-Komponenten, Brevo-Formular, Instagram-Sync

- Ordnerstruktur mit public/-Docroot, Deny-.htaccess für app/bin/config/data/storage
- CLAUDE.md mit Leitplanken (self-hosted only, Single Source of Truth, Component-first)
- Design-Tokens aus alter Seite extrahiert (Akzent #e20612, Coolvetica/Abel als woff2)
- Front Controller mit Routen-Register, Sitemap, Canonical, JSON-LD (SportsClub)
- Startseite: Hero, Instagram-Feed (lokaler Cache), Historie/Sportheim, Stats, Partner, Kontakt
- Kontaktformular via PHPMailer/Brevo mit Honeypot + HMAC-Time-Trap (kein reCAPTCHA)
- bin/instagram-sync.php: Scraper mit Strategie-Kette, flock, atomarem Cache, lokalen Bildern

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

public/.htaccess

@@ -0,0 +1,39 @@
+# --- Front Controller ---
+RewriteEngine On
+RewriteCond %{REQUEST_FILENAME} !-f
+RewriteCond %{REQUEST_FILENAME} !-d
+RewriteRule ^ index.php [L]
+
+# --- Security-Header ---
+<IfModule mod_headers.c>
+    Header always set X-Content-Type-Options "nosniff"
+    Header always set Referrer-Policy "strict-origin-when-cross-origin"
+    Header always set X-Frame-Options "SAMEORIGIN"
+    Header always set Permissions-Policy "camera=(), microphone=(), geolocation=()"
+    # Streng möglich, weil ausnahmslos alles self-hosted ist (CLAUDE.md Regel 1).
+    Header always set Content-Security-Policy "default-src 'self'; img-src 'self' data:; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'self'"
+</IfModule>
+
+# --- Kompression ---
+<IfModule mod_deflate.c>
+    AddOutputFilterByType DEFLATE text/html text/css text/javascript application/javascript application/json image/svg+xml
+</IfModule>
+
+# --- Caching: Assets 1 Jahr (Busting via ?v=filemtime), HTML nie ---
+<IfModule mod_expires.c>
+    ExpiresActive On
+    ExpiresByType text/css "access plus 1 year"
+    ExpiresByType application/javascript "access plus 1 year"
+    ExpiresByType font/woff2 "access plus 1 year"
+    ExpiresByType image/jpeg "access plus 1 year"
+    ExpiresByType image/png "access plus 1 year"
+    ExpiresByType image/webp "access plus 1 year"
+    ExpiresByType image/svg+xml "access plus 1 year"
+    ExpiresByType image/x-icon "access plus 1 year"
+    ExpiresByType video/mp4 "access plus 1 year"
+    ExpiresByType text/html "access plus 0 seconds"
+</IfModule>
+
+AddType font/woff2 .woff2
+AddDefaultCharset utf-8
+Options -Indexes