body { background: #0E0E11; }
.hero { min-height: 100vh; padding-top: 80px; }
@media (max-width: 768px) {
  section { padding: 60px 24px !important; }
  .hero-grid { grid-template-columns: 1fr !important; }
  .features-grid { grid-template-columns: 1fr !important; }
}