*{box-sizing:border-box}
body{margin:0;font-family:Helvetica,Arial,sans-serif;color:#111;background:#fff}
.container{width:90%;max-width:1200px;margin:auto}
.header{position:sticky;top:0;background:#fff;border-bottom:1px solid #eee}
.nav{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.logo{font-weight:700;letter-spacing:2px}
nav a{margin-left:20px;text-decoration:none;color:#111;font-size:14px}
.hero{height:80vh;background:url('https://images.unsplash.com/photo-1541643600914-78b084683601') center/cover no-repeat;display:flex;align-items:center}
.hero .content{color:#fff;max-width:600px}
.hero h1{font-size:48px;margin:0 0 10px}
.hero p{font-size:18px;opacity:0.9}
.btn{display:inline-block;margin-top:20px;padding:14px 28px;background:#000;color:#fff;text-decoration:none}
.section{padding:80px 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{padding:30px;border:1px solid #eee}
.footer{border-top:1px solid #eee;padding:30px 0;text-align:center;font-size:14px;color:#666}
.cookie{position:fixed;bottom:0;width:100%;background:#000;color:#fff;padding:15px;text-align:center}
.cookie button{margin-left:10px;padding:8px 16px}
@media(max-width:800px){.grid{grid-template-columns:1fr}.hero h1{font-size:32px}}