html, body {
  overflow-x: hidden;
}
body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f7fb;
    color: #0e3a5b; /* Dunkelblau */
  }

  header {
    background-color: #f4f7fb; /* Dunkelblau */
    color: #0e3a5b;
    padding: 1rem 2rem;
    text-align: center;
  }

  nav {
    margin-top: 0.5rem;
  }

  nav a {
    margin: 0 1rem;
    color: #0e3a5b;
    text-decoration: none;
    font-weight: bold;
  }

  section {
    padding: 2rem;
    max-width: 1000px;
    margin: auto;
    margin-bottom: 2em;
  }

  main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2em 1em;
  }

  h1 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 0.2em;
  }
  h2 {
    color: #d71941;
    border-bottom: 2px solid #ddd;
    padding-bottom: 0.3em;
    margin-top: 1.5em;
  }
  p {
    margin-bottom: 1em;
  }
  .info-box {
    background-color: #eef5ff;
    border-left: 5px solid #0066cc;
    padding: 1em;
    margin-top: 1em;
  }
  iframe {
    width: 100%;
    height: 400px;
    border: 0;
    margin-top: 1em;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }
  a {
    color: #0066cc;
    text-decoration: none;
  }
  a:hover {
    text-decoration: underline;
  }

  footer {
    background: #0e3a5b;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
  }

  .one {
    white-space: nowrap;
  }

  /* Responsive Styles */
@media (max-width: 768px) {
  body {
    padding: 0;
    font-size: 16px;
  }

  header {
    padding: 1rem;
  }

  nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  nav a {
    margin: 0.2rem 0;
  }

  section {
    padding: 0.0005rem 0rem;
  }

  .info-box {
    font-size: 0.95rem;
  }

  iframe {
    height: 300px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  p,
  li {
    font-size: 0.9rem;
  }
  header, main, section, footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

@media (max-width: 480px) {
  header img {
    max-width: 100%;
    height: auto;
  }

  h2 {
    font-size: 1.3rem;
  }

  .info-box {
    font-size: 0.9rem;
    padding: 0.8rem;
  }

  iframe {
    height: 250px;
  }
}