@media (max-width:600px){
  .container{padding:1rem}
  .hero-inner{padding:2rem 1rem}
  .hero-title{font-size:1.6rem}
  .cards{grid-template-columns:1fr}
  .stat-number{font-size:1.4rem}
  .header-cta .btn{padding:.5rem .75rem}
  .brand .logo{height:40px}
}