/* ─── Responsive Breakpoints ─── */
@media (max-width: 900px) {
  .hero-cards {
    display: none;
  }

  .steps-wrap {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .algo-grid {
    grid-template-columns: 1fr;
  }

  .upload-wrap {
    grid-template-columns: 1fr;
  }

  nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
  }

  section,
  .hero {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}