Initial commit: ANOUMA website with Payload CMS, WebRTC meetings, and booking system

- Next.js 16 App Router site with the ANOUMA design system
- Payload CMS (PostgreSQL) for offers, events, posts and page content
- WebRTC video-call system with custom signaling server
- SMTP email reminders and booking-request notifications
- Customer accounts, calendar-based availability, and booking workflow

components/AngebotCard.tsx

@@ -0,0 +1,53 @@
+import Link from "next/link";
+import { ImagePlaceholder } from "@/components/ImagePlaceholder";
+import type { ImageMood } from "@/lib/angebote";
+
+type AngebotCardProps = {
+  href: string;
+  title: string;
+  tagline: string;
+  mood: ImageMood;
+  imageSrc?: string;
+  imageAlt?: string;
+  size?: "default" | "large";
+};
+
+export function AngebotCard({
+  href,
+  title,
+  tagline,
+  mood,
+  imageSrc,
+  imageAlt,
+  size = "default",
+}: AngebotCardProps) {
+  return (
+    <Link href={href} className="group block">
+      <div
+        className={`relative overflow-hidden rounded-[2.5rem] ${
+          size === "large" ? "aspect-[4/3]" : "aspect-[4/5]"
+        }`}
+      >
+        <ImagePlaceholder
+          mood={mood}
+          label={title}
+          src={imageSrc}
+          alt={imageAlt}
+          shape="soft"
+          className="h-full w-full transition-transform duration-700 ease-out group-hover:scale-[1.04]"
+        />
+        <div className="absolute inset-0 bg-gradient-to-t from-anouma-plum/70 via-anouma-plum/0 to-transparent" />
+        <div className="absolute inset-x-0 bottom-0 p-7">
+          <h3 className="font-serif text-2xl font-medium text-white">{title}</h3>
+          <p className="mt-2 text-sm leading-relaxed text-white/90">{tagline}</p>
+          <span className="mt-4 inline-flex items-center gap-1.5 text-sm font-medium text-white/95">
+            Mehr erfahren
+            <svg width="14" height="10" viewBox="0 0 14 10" fill="none" aria-hidden="true" className="transition-transform duration-300 group-hover:translate-x-1">
+              <path d="M1 5h11.5M8 1l4.5 4L8 9" stroke="currentColor" strokeWidth="1.4" strokeLinecap="round" strokeLinejoin="round" />
+            </svg>
+          </span>
+        </div>
+      </div>
+    </Link>
+  );
+}