/* Allgemein */
body {
  font-family: "Poppins", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
  scroll-behavior: smooth;
}

/* Header */
header {
  background: linear-gradient(90deg, #0d6efd, #3db0ff);
  color: white;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Navbar */
.navbar {
  background-color: white !important;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05);
}

.navbar-brand img {
  transition: transform 0.3s ease;
}
.navbar-brand img:hover {
  transform: scale(1.05);
}

.nav-link {
  color: black !important;
  font-weight: 500;
  margin: 0 6px;
  transition: color 0.3s ease, transform 0.3s ease;
}
.nav-link:hover {
  color: #0056b3 !important;
  transform: translateY(-2px);
}
.nav-link.active {
  border-bottom: 2px solid #0d6efd;
}

/* Jumbotron */
.jumbotron {
  background: linear-gradient(135deg, #f0f8ff, #ffffff);
  border: 2px solid #e3f2fd;
  transition: box-shadow 0.3s ease;
}
.jumbotron:hover {
  box-shadow: 0 6px 20px rgba(13, 110, 253, 0.2);
}

/* Kurskarten */
#kurse {
  background: linear-gradient(135deg, #0d6efd, #004aad);
}
#kurse .card {
  border-radius: 15px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  background: #dc3545;
}
#kurse .card:hover {
  transform: translateY(-8px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.25);
}

/* Warum bei uns */
#warum {
  background-color: #fff;
}
#warum h4 {
  transition: transform 0.3s ease, color 0.3s ease;
}
#warum h4:hover {
  transform: translateX(6px);
  color: #0d6efd;
}

/* Karten (Google Maps) */
iframe {
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}
iframe:hover {
  transform: scale(1.02);
}

/* Call-to-Action */
#kontakt {
  background: linear-gradient(90deg, #0d6efd, #3db0ff);
  color: white;
}
#kontakt .btn-primary {
  background-color: #fff;
  color: #0d6efd;
  border: none;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.3s ease;
}
#kontakt .btn-primary:hover {
  background-color: #e9f3ff;
  transform: translateY(-3px);
}

/* Footer */
footer {
  color: #bbb;
  font-size: 0.9rem;
}
footer p {
  margin-bottom: 0;
}
footer a {
  transition: color 0.3s ease, transform 0.3s ease;
}
footer a:hover {
  color: #0d6efd !important;
  transform: scale(1.1);
}

/* Back to Top Button */
#backToTopBtn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #0d6efd;
  color: white;
  padding: 12px 16px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  transition: background-color 0.3s ease, transform 0.3s ease;
}
#backToTopBtn:hover {
  background-color: #004aad;
  transform: translateY(-3px);
}