Add complete bewerbung Next.js application

- Add all Next.js application files
- Include components, app structure, and public assets
- Remove empty bewerbung placeholder folder
- Update .gitignore for Next.js project

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

components/DownloadSection.tsx

@@ -0,0 +1,42 @@
+interface DownloadSectionProps {
+  title: string;
+  subtitle: string;
+  buttonText: string;
+  href: string;
+  backgroundImage: string;
+}
+
+export default function DownloadSection({
+  title,
+  subtitle,
+  buttonText,
+  href,
+  backgroundImage,
+}: DownloadSectionProps) {
+  return (
+    <section
+      className="relative py-24 px-4 sm:px-6 lg:px-8 bg-cover bg-center bg-fixed"
+      style={{ backgroundImage: `url(${backgroundImage})` }}
+    >
+      {/* Overlay */}
+      <div className="absolute inset-0 bg-black/60" />
+
+      <div className="relative z-10 max-w-4xl mx-auto text-center">
+        <h2 className="text-4xl sm:text-5xl font-bold text-white mb-4">
+          {title}
+        </h2>
+        <p className="text-xl sm:text-2xl text-white/90 mb-8">
+          {subtitle}
+        </p>
+        <a
+          href={href}
+          target="_blank"
+          rel="noopener noreferrer"
+          className="inline-block px-10 py-4 bg-primary text-white font-bold text-lg rounded-md hover:bg-primary-dark transition-all transform hover:scale-105 shadow-lg hover:shadow-xl"
+        >
+          {buttonText}
+        </a>
+      </div>
+    </section>
+  );
+}