Update layout, add hero image, events, and update impressum

styles.css

@@ -272,3 +272,90 @@ p {
     opacity: 1;
     transform: translateY(0);
 }
+
+/* Neue CSS-Klassen für Navbar, Hero-Image, Events, Impressum */
+.navbar {
+    position: sticky;
+    top: 20px;
+    z-index: 100;
+    margin: 0 auto;
+    max-width: 900px;
+    padding: 1rem;
+    border-radius: 50px;
+}
+
+.nav-links {
+    list-style: none;
+    display: flex;
+    justify-content: center;
+    gap: 2rem;
+    flex-wrap: wrap;
+}
+
+.nav-links a {
+    text-decoration: none;
+    color: var(--text-primary);
+    font-weight: 500;
+    transition: color 0.3s ease;
+}
+
+.nav-links a:hover {
+    color: var(--accent-green);
+}
+
+.hero-image-container {
+    margin-top: 2rem;
+    border-radius: 16px;
+    overflow: hidden;
+    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
+}
+
+.hero-image {
+    width: 100%;
+    height: auto;
+    display: block;
+    object-fit: cover;
+}
+
+.event-card {
+    background: rgba(255,255,255,0.4);
+    border-radius: 16px;
+    padding: 2rem;
+    margin-top: 1rem;
+}
+
+.event-images {
+    display: flex;
+    gap: 1rem;
+    margin: 1.5rem 0;
+    flex-wrap: wrap;
+}
+
+.event-img {
+    flex: 1;
+    min-width: 250px;
+    border-radius: 12px;
+    max-width: 100%;
+    height: auto;
+    object-fit: cover;
+    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
+}
+
+.event-button {
+    margin-top: 1rem;
+}
+
+.text-left {
+    text-align: left;
+}
+
+.impressum-text h3 {
+    margin-top: 1.5rem;
+    margin-bottom: 0.5rem;
+    font-size: 1.2rem;
+    color: var(--text-primary);
+}
+
+.impressum-text p {
+    font-size: 0.95rem;
+}