/* Basis */
body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  background: #f9fbfd;
  color: #333;
  line-height: 1.6;
}

/* Header */
header {
  background: linear-gradient(135deg, #2c3e50, #34495e);
  color: white;
  padding: 40px 0;
  position: relative;
}

header h1 {
  margin: 0;
  font-weight: 700;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  gap: 25px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.3s;
}

nav a:hover {
  opacity: 0.8;
}

/* Container */
.container {
  width: 85%;
  margin: auto;
  max-width: 1100px;
}

/* Abschnitts-Design */
section {
  padding: 60px 0;
  position: relative;
}

/* Farbflächen mit Welle */
.section-dark {
  background: linear-gradient(135deg, #e8f0f9, #dce9f5);
}

.section-light {
  background: #fff;
}

/* SVG-Wellen */
.wave {
  position: relative;
  width: 100%;
  height: 80px;
  overflow: hidden;
}

.wave svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* Footer */
footer {
  background: linear-gradient(135deg, #2c3e50, #34495e);
  color: white;
  text-align: center;
  padding: 30px;
  margin-top: 40px;
}