/* Hauptfarben */
:root {
    --primary-color: #143861;
    --secondary-color: #ffffff;
  }
  
  /* Überschreiben der Bootstrap-Variablen */
  .bg-primary {
    background-color: var(--primary-color) !important;
  }
  
  .text-primary {
    color: var(--primary-color) !important;
  }
  
  .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
  }
  
  .btn-primary:hover {
    background-color: darken(var(--primary-color), 10%);
    border-color: darken(var(--primary-color), 10%);
  }
  
  /* Jumbotron Anpassungen */
  header.jumbotron {
    background-image: url('images/hero.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
    margin-bottom: 0;
  }
  
  header.jumbotron::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(20, 56, 97, 0.7);
  }
  
  header .container {
    position: relative;
    z-index: 1;
  }
  
  header h1,
  header p {
    color: var(--secondary-color);
  }
  
  header .btn {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: none;
  }
  
  header .btn:hover {
    background-color: darken(var(--secondary-color), 10%);
    color: var(--primary-color);
  }
  
  /* Abschnitt Überschriften */
  section h2 {
    color: var(--primary-color);
  }
  
  /* Footer Links */
  footer a {
    text-decoration: none;
  }
  
  footer a:hover {
    text-decoration: underline;
  }
  
  /* Responsive Anpassungen */
  @media (max-width: 768px) {
    header .display-4 {
      font-size: 2.5rem;
    }
  }