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>

app/components/partner-grid.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Sponsoren/Partner-Logogrid. Props:
+ *   $intro array{title, text, cta?} (aus home.json)
+ *   Logos kommen aus data/partners.json (Single Source of Truth).
+ */
+$partners = json_load('partners')['partners'] ?? [];
+?>
+        <section class="section partners" id="partner">
+            <div class="container">
+                <h2><?= e($intro['title']) ?></h2>
+                <p><?= e($intro['text']) ?></p>
+                <ul class="partners__grid">
+<?php foreach ($partners as $partner): ?>
+                    <li class="partners__item">
+<?php if (!empty($partner['url'])): ?>
+                        <a href="<?= e($partner['url']) ?>" rel="noopener">
+                            <img src="<?= e(asset($partner['logo'])) ?>" alt="<?= e($partner['name']) ?>" loading="lazy" decoding="async">
+                        </a>
+<?php else: ?>
+                        <img src="<?= e(asset($partner['logo'])) ?>" alt="<?= e($partner['name']) ?>" loading="lazy" decoding="async">
+<?php endif; ?>
+                    </li>
+<?php endforeach; ?>
+                </ul>
+<?php if (!empty($intro['cta'])): ?>
+                <p><?php component('cta', ['cta' => $intro['cta']]); ?></p>
+<?php endif; ?>
+            </div>
+        </section>