body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f9f9f9;
  color: #333;
}
header {
  background-color: #fff;
  padding: 2rem;
  text-align: center;
  border-bottom: 2px solid #e0e0e0;
}
header img {
  height: 100px;
}
h1 {
  margin: 0.5rem 0;
  color: #2c2c54;
}
p.slogan {
  color: #b33939;
  font-style: italic;
}
section {
  padding: 2rem;
  max-width: 1000px;
  margin: auto;
}
.leistungen ul {
  list-style: none;
  padding: 0;
}
.leistungen li::before {
  content: "\2713";
  margin-right: 8px;
  color: green;
}
.slider {
  width: 100%;
  max-width: 900px;
  margin: auto;
  position: relative;
  overflow: hidden;
}
.slides {
  display: flex;
  width: 100%;
  animation: slide 30s infinite;
}
.slides img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}
@keyframes slide {
  0% { transform: translateX(0%); }
  20% { transform: translateX(0%); }
  25% { transform: translateX(-100%); }
  45% { transform: translateX(-100%); }
  50% { transform: translateX(-200%); }
  70% { transform: translateX(-200%); }
  75% { transform: translateX(-300%); }
  95% { transform: translateX(-300%); }
  100% { transform: translateX(0%); }
}
footer {
  background-color: #2c2c54;
  color: #fff;
  text-align: center;
  padding: 1.5rem;
}