body{margin:0;font-family:Montserrat,Arial,sans-serif;color:#333}
header{background:#fff;border-bottom:1px solid #e5e5e5}
nav{max-width:1200px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:20px}
nav a{text-decoration:none;color:#333;margin:0 10px;font-weight:500}
.hero{background:linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,.55)),url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?auto=format&fit=crop&w=1600&q=80') center/cover;height:420px;display:flex;flex-direction:column;justify-content:center;align-items:center;color:white;text-align:center}
.hero h1{font-size:42px;margin-bottom:10px}
.hero p{font-size:18px;margin-bottom:25px}
.hero a{background:#c62828;color:white;padding:14px 30px;text-decoration:none;border-radius:3px}
section{padding:70px 20px}
.servicos{background:#8c8c8c;color:white}
.servicos h2{text-align:center;margin-bottom:50px;font-size:32px}
.cards{max-width:1200px;margin:auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:40px}
.card{background:#7a7a7a;padding:20px;text-align:center}
.card img{width:100%;height:170px;object-fit:cover}
.card h3{margin:15px 0}
.card a{background:#c62828;color:white;padding:10px 20px;text-decoration:none;display:inline-block;margin-top:10px}
footer{background:#222;color:white;text-align:center;padding:25px}