body{margin:0;font-family:Inter,Arial;background:#f6f7fb}
.container{max-width:1200px;margin:auto;padding:20px}
.header{background:#fff;border-bottom:1px solid #e5e7eb}
.logo{font-weight:800;font-size:20px;text-decoration:none;color:#111}
.logo span{color:#3b82f6}
nav a{margin-left:15px;text-decoration:none;color:#374151}
.card{background:#fff;padding:20px;border-radius:12px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.btn{display:inline-block;background:#3b82f6;color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none}
.footer{text-align:center;color:#9ca3af;padding:30px}