@media (max-width: 1024px) {
  .hero-wrap,
  .detail-layout,
  .cart-layout,
  .split-panel {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 360px;
  }

  .grid-4 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .metric-grid,
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  .mobile-toggle {
    display: inline-grid;
  }

  .nav-list {
    position: absolute;
    left: 0;
    right: 0;
    top: 76px;
    padding: var(--space-3) var(--space-4) var(--space-4);
    flex-direction: column;
    align-items: stretch;
    border-bottom: 1px solid rgba(79, 55, 43, 0.1);
    background: rgba(255, 250, 242, 0.97);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header.menu-open .nav-list {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 0.7rem 0.8rem;
  }

  .hero {
    padding-top: var(--space-10);
  }

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

  .grid-3,
  .grid-4,
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .cart-item {
    grid-template-columns: 76px 1fr;
  }

  .cart-item img {
    width: 76px;
  }

  .cart-item > :last-child {
    grid-column: 1 / -1;
    justify-self: end;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--container), calc(100% - 1.2rem));
  }

  .section {
    padding-block: var(--space-12);
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .metric-grid,
  .info-grid,
  .footer-wrap,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 300px;
  }

  .toolbar {
    align-items: stretch;
  }

  .footer-wrap {
    padding-top: var(--space-10);
  }

  .back-top {
    right: 0.7rem;
    bottom: 0.7rem;
  }
}