body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #333;
  line-height: 1.6;
}

:root {
  --primary: #0a3cff;
  --accent: #1fa45b;
  --dark: #222;
  --light: #f4f4f4;
}

header {
  background: var(--primary);
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.subtitle {
  font-size: 1.2em;
  margin-bottom: 20px;
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 40px 20px;
}

.gray {
  background: var(--light);
}

h2 {
  margin-bottom: 20px;
  color: var(--primary);
}

.vorteile {
  list-style: none;
  padding: 0;
}

.vorteile li {
  margin-bottom: 10px;
}

.leistungen {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.leistungen div {
  background: white;
  padding: 20px;
  border-radius: 6px;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 12px 25px;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 15px;
}

.btn:hover {
  background: var(--accent);
}

footer {
  background: var(--dark);
  color: #fff;
  text-align: center;
  padding: 15px;
}