@media (max-width: 960px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--color-bg-alt);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .countdown-box {
    min-width: 80px;
    padding: 20px 18px;
  }

  .countdown-value {
    font-size: 1.8rem;
  }

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

  .footer-inner {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats-mini {
    gap: 24px;
  }
}