body{margin:0;font-family:Arial,sans-serif;color:#233} .hero{height:90vh;background:linear-gradient(rgba(0,40,70,.45),rgba(0,40,70,.55)),url('assets/hero.jpg') center/cover no-repeat;display:flex;align-items:center;justify-content:center}.overlay{text-align:center;color:#fff;padding:20px}.btn{background:#0d6efd;color:#fff;padding:12px 22px;border-radius:8px;text-decoration:none}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;padding:40px;text-align:center}.placeholder{border:2px dashed #999;padding:50px;margin:20px}.reviews{background:#f3f7fa;padding:40px}footer{text-align:center;padding:25px;background:#123;color:#fff}