*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}
body{background:#f5f5f5;color:#333}
header{position:fixed;width:100%;background:rgba(0,0,0,.75);z-index:100}
.nav{max-width:1200px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:15px}
.logo img{height:60px}
nav a{color:#fff;text-decoration:none;margin-left:25px}
.hero{height:100vh;background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.5)),url('img/hero.jpg') center/cover no-repeat;display:flex;align-items:center;justify-content:center}
.overlay{text-align:center;color:#fff}
.overlay h1{font-size:52px}
.btn{display:inline-block;background:#d71920;color:#fff;padding:15px 30px;text-decoration:none;border-radius:5px;margin-top:20px}
.content{max-width:1100px;margin:auto;padding:80px 20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#fff;padding:30px;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.1);text-align:center}
form{display:flex;flex-direction:column;gap:12px}
input,textarea{padding:12px}
button{padding:12px;background:#d71920;color:#fff;border:0}
footer{background:#111;color:#fff;text-align:center;padding:25px}