diff --git a/css/main.css b/css/main.css
index 7077513..307ccac 100644
--- a/css/main.css
+++ b/css/main.css
@@ -1,6 +1,3 @@
-/* =========================
-   Modernes Responsive Design
-========================= */
 
 * {
   margin: 0;
@@ -8,27 +5,23 @@
   box-sizing: border-box;
 }
 
-:root {
+/* Farben */
 
-  /* Farbpalette */
+:root {
   --primary: #2563eb;
   --primary-dark: #1d4ed8;
-  --background: #f5f7fb;
+  --background: #f4f7fb;
   --surface: #ffffff;
   --text: #1e293b;
   --text-light: #64748b;
-  --border: #e2e8f0;
-
-  /* Schatten */
-  --shadow: 0 8px 25px rgba(0,0,0,0.08);
-
-  /* Rundungen */
-  --radius: 16px;
+  --border: #dbe3ec;
 }
 
+/* Grundlayout */
+
 body {
   font-family: "Segoe UI", Arial, sans-serif;
-  background: var(--background);
+  background-color: var(--background);
   color: var(--text);
   line-height: 1.6;
 }
@@ -38,180 +31,136 @@ body {
 ========================= */
 
 header {
-  background: var(--surface);
+  background-color: var(--surface);
+  padding: 18px 40px;
+  border-bottom: 1px solid var(--border);
   box-shadow: 0 2px 10px rgba(0,0,0,0.05);
-  position: sticky;
-  top: 0;
-  z-index: 1000;
-}
-
-.header-container {
-  max-width: 1200px;
-  margin: auto;
-  padding: 16px 24px;
-
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  gap: 20px;
-}
-
-/* Logo */
-
-.logo {
-  font-size: 1.5rem;
-  font-weight: 700;
-  color: var(--primary);
 }
 
 /* =========================
    Navigation
 ========================= */
 
-nav ul {
-  list-style: none;
-
-  display: flex;
-  align-items: center;
-  gap: 18px;
+nav {
+  background-color: var(--surface);
+  padding: 15px 40px;
+  border-bottom: 1px solid var(--border);
 }
 
 nav a {
   text-decoration: none;
   color: var(--text);
-  font-weight: 500;
-  transition: 0.25s ease;
-  padding: 8px 14px;
+  font-weight: 600;
+  margin-right: 20px;
+  padding: 10px 16px;
   border-radius: 10px;
+  transition: 0.3s;
 }
 
-nav a:hover,
-nav a:focus {
-  background: #eff6ff;
+nav a:hover {
+  background-color: #e8f0ff;
   color: var(--primary);
 }
 
 /* =========================
-   Suchfeld
+   Überschriften
 ========================= */
 
-.search-box {
-  display: flex;
-  gap: 10px;
+h1 {
+  font-size: 3rem;
+  margin-bottom: 20px;
+  color: var(--primary);
 }
 
-.search-box input {
-  padding: 10px 14px;
-  border: 1px solid var(--border);
-  border-radius: 10px;
-  outline: none;
-  min-width: 220px;
+h2 {
+  font-size: 1.8rem;
+  margin-bottom: 15px;
+  color: var(--primary-dark);
 }
 
-.search-box input:focus {
-  border-color: var(--primary);
+h3 {
+  margin-bottom: 10px;
+  color: var(--text);
+}
+
+/* =========================
+   Hauptinhalt
+========================= */
+
+main {
+  background-color: var(--surface);
+  margin: 40px;
+  padding: 40px;
+  border-radius: 18px;
+  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
+}
+
+/* Texte */
+
+p {
+  margin-bottom: 18px;
+  color: var(--text-light);
+  font-size: 1.05rem;
+}
+
+/* =========================
+   Links
+========================= */
+
+a {
+  color: var(--primary);
+  transition: 0.3s;
+}
+
+a:hover {
+  color: var(--primary-dark);
 }
 
 /* =========================
    Buttons
 ========================= */
 
-.btn {
-  padding: 10px 18px;
-  border-radius: 10px;
-  text-decoration: none;
-  font-weight: 600;
-  transition: 0.25s ease;
+button {
+  background-color: var(--primary);
+  color: white;
   border: none;
+  padding: 12px 22px;
+  border-radius: 10px;
+  font-size: 1rem;
   cursor: pointer;
+  transition: 0.3s;
 }
 
-.btn-primary {
-  background: var(--primary);
-  color: white;
-}
-
-.btn-primary:hover {
-  background: var(--primary-dark);
-}
-
-.btn-secondary {
-  background: #eff6ff;
-  color: var(--primary);
-}
-
-.btn-secondary:hover {
-  background: #dbeafe;
+button:hover {
+  background-color: var(--primary-dark);
 }
 
 /* =========================
-   Hauptbereich
+   Suchfeld
 ========================= */
 
-main {
-  max-width: 1200px;
-  margin: 50px auto;
-  padding: 0 24px;
+input[type="text"],
+input[type="search"] {
+
+  padding: 10px 14px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  font-size: 1rem;
+  background-color: white;
 }
 
-/* Hero Section */
-
-.hero {
-  background: linear-gradient(
-          135deg,
-          #2563eb,
-          #3b82f6
-  );
-
-  color: white;
-  padding: 80px 40px;
-  border-radius: var(--radius);
-  text-align: center;
-  box-shadow: var(--shadow);
-
-  margin-bottom: 50px;
-}
-
-.hero h1 {
-  font-size: 3rem;
-  margin-bottom: 20px;
-}
-
-.hero p {
-  max-width: 800px;
-  margin: auto;
-  font-size: 1.1rem;
+input:focus {
+  outline: none;
+  border-color: var(--primary);
 }
 
 /* =========================
-   Karten / Inhalte
+   Bilder
 ========================= */
 
-.content-grid {
-  display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
-  gap: 24px;
-}
-
-.card {
-  background: var(--surface);
-  border-radius: var(--radius);
-  padding: 28px;
-  box-shadow: var(--shadow);
-  transition: 0.3s ease;
-}
-
-.card:hover {
-  transform: translateY(-5px);
-}
-
-.card h2 {
-  margin-bottom: 14px;
-  color: var(--primary);
-}
-
-.card p {
-  color: var(--text-light);
+img {
+  border-radius: 14px;
+  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
 }
 
 /* =========================
@@ -219,102 +168,14 @@ main {
 ========================= */
 
 footer {
-  margin-top: 80px;
-  background: var(--surface);
+  background-color: var(--surface);
   border-top: 1px solid var(--border);
-}
-
-.footer-container {
-  max-width: 1200px;
-  margin: auto;
-  padding: 24px;
-
-  display: flex;
-  justify-content: center;
-  gap: 30px;
-  flex-wrap: wrap;
+  padding: 25px;
+  text-align: center;
+  margin-top: 40px;
 }
 
 footer a {
+  margin: 0 10px;
   text-decoration: none;
-  color: var(--text-light);
-  transition: 0.25s ease;
-}
-
-footer a:hover {
-  color: var(--primary);
-}
-
-/* =========================
-   Accessibility
-========================= */
-
-a:focus,
-button:focus,
-input:focus {
-  outline: 3px solid #93c5fd;
-  outline-offset: 2px;
-}
-
-/* =========================
-   Responsive Design
-========================= */
-
-/* Tablet */
-
-@media (max-width: 900px) {
-
-  .header-container {
-    flex-direction: column;
-    align-items: stretch;
-  }
-
-  nav ul {
-    justify-content: center;
-    flex-wrap: wrap;
-  }
-
-  .search-box {
-    justify-content: center;
-  }
-
-  .hero h1 {
-    font-size: 2.3rem;
-  }
-}
-
-/* Smartphone */
-
-@media (max-width: 600px) {
-
-  .hero {
-    padding: 50px 25px;
-  }
-
-  .hero h1 {
-    font-size: 2rem;
-  }
-
-  .hero p {
-    font-size: 1rem;
-  }
-
-  nav ul {
-    flex-direction: column;
-    gap: 10px;
-  }
-
-  .search-box {
-    flex-direction: column;
-  }
-
-  .search-box input {
-    width: 100%;
-    min-width: unset;
-  }
-
-  .btn {
-    width: 100%;
-    text-align: center;
-  }
 }
\ No newline at end of file