body{font-family:Arial,sans-serif;max-width:900px;margin:auto;padding:2rem;line-height:1.6;color:#243026;background:#fafaf7}nav a{margin-right:1rem;color:#2f6b4f;text-decoration:none}header,footer{padding:1rem 0}h1{font-size:2.5rem}.btn{display:inline-block;background:#2f6b4f;color:#fff;padding:.8rem 1.2rem;border-radius:8px;text-decoration:none}section{margin:3rem 0}