body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f8f8f8;
  color: #222;
}

header {
  background: #d40000;
  padding: 10px 0;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin: 0 15px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  padding: 8px 12px;
}

nav a.active,
nav a:hover {
  background: white;
  color: #d40000;
  border-radius: 4px;
}

main.startseite {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 50px 20px;
}

.logo {
  max-width: 300px;
  height: auto;
  margin-bottom: 20px;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0;
}

p {
  font-size: 1.2rem;
  color: #555;
}