body{margin:0;font-family:'Poppins',sans-serif;background:#f4f6f8;color:#222}
.container{max-width:1100px;margin:auto;padding:25px}
.hero{height:520px;background:url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?q=80&w=1600') center/cover no-repeat;position:relative}
.hero-overlay{background:rgba(0,0,0,.6);height:100%;display:flex;align-items:center;justify-content:center;text-align:center;color:white;padding:20px}
.hero h1{font-size:42px;margin-bottom:5px}
.hero h2{font-size:26px;margin:0 0 10px 0}
.btn{padding:14px 22px;border-radius:8px;text-decoration:none;color:white;margin:5px;display:inline-block;font-weight:600}
.call{background:#e53935}
.whats{background:#25D366}
.services h2{text-align:center;margin-bottom:30px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.card{background:white;border-radius:12px;overflow:hidden;box-shadow:0 8px 20px rgba(0,0,0,.1)}
.card img{width:100%;height:170px;object-fit:cover}
.card h3{margin:10px}
.card p{padding:0 10px 15px 10px}
.why{background:#0c2d48;color:white;text-align:center}
.why ul{list-style:none;padding:0;font-size:18px}
.whatsapp{position:fixed;bottom:20px;right:20px;background:#25D366;color:white;font-size:28px;width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;box-shadow:0 4px 12px rgba(0,0,0,.3)}
footer{background:#0c2d48;color:white;text-align:center;padding:20px;margin-top:40px}