body{margin:0;font-family:Arial,sans-serif;background:#f5f2ea;scroll-behavior:smooth}
header{position:fixed;top:0;width:100%;background:rgba(20,50,30,.8);padding:15px;z-index:9}
nav{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}
nav a{color:#fff;text-decoration:none;font-weight:bold}
.hero{height:100vh;background:url('images/hintergrund.jpg') center/cover;display:flex;align-items:center;justify-content:center}
.overlay{background:rgba(0,0,0,.45);padding:40px;color:#fff;text-align:center;width:100%}
section{padding:80px 20px;max-width:1000px;margin:auto}
.card{background:white;padding:20px;border-radius:10px;box-shadow:0 2px 8px #0002}
.btn{display:inline-block;background:#2f6b3d;color:#fff;padding:12px 20px;text-decoration:none;border-radius:6px}
footer{background:#234329;color:#fff;text-align:center;padding:20px}