body{margin:0;font-family:Segoe UI,Tahoma,sans-serif;line-height:1.7;color:#333}
nav{background:#2e7d32;display:flex;align-items:center;justify-content:space-between;padding:10px 30px}
nav img{height:45px}
nav ul{list-style:none;display:flex;margin:0;padding:0}
nav li{margin-left:18px}
nav a{color:#fff;text-decoration:none;font-weight:600}
header{background:linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,.55)),url('https://images.unsplash.com/photo-1501004318641-b39e6451bec6');background-size:cover;color:#fff;text-align:center;padding:120px 20px}
section{max-width:1100px;margin:auto;padding:70px 20px}
h2{text-align:center;color:#2e7d32}
.btn{background:#2e7d32;color:#fff;padding:14px 28px;border-radius:6px;text-decoration:none;font-weight:600;display:inline-block}
.cards,.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:25px}
.card{background:#f7f7f7;padding:30px;border-radius:10px}
.gallery img{width:100%;border-radius:8px}
form{max-width:600px;margin:auto}
input,textarea{width:100%;padding:12px;margin-bottom:15px}
footer{background:#1b5e20;color:#fff;text-align:center;padding:25px}