@media (max-width: 680px) {
  :root {
    --header-height: 124px;
  }

  .site-header {
    gap: 0;
    padding: 2px 12px 7px;
  }

  .brand-logo {
    width: 106px;
    height: 74px;
  }

  .main-nav {
    gap: 12px;
    font-size: 0.78rem;
  }

  .main-nav a {
    min-height: 36px;
  }

  .cart-count {
    min-width: 20px;
    height: 20px;
    font-size: 0.7rem;
  }

  .campaign-hero {
    min-height: 50svh;
  }

  .campaign-hero-content {
    padding-top: 38px;
    padding-bottom: 30px;
  }

  .campaign-hero h1 {
    margin-bottom: 10px;
    font-size: 2.25rem;
  }

  .campaign-hero p {
    margin-bottom: 18px;
    font-size: 0.95rem;
  }

  .hero-actions {
    gap: 9px;
  }

  .button {
    min-height: 42px;
  }

  .shop-section,
  .cart-section,
  .contact-section {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .section-heading {
    margin-bottom: 18px;
    padding-top: 6px;
  }

  h2 {
    margin-bottom: 8px;
    font-size: 1.75rem;
  }

  .section-heading p,
  .contact-content p {
    font-size: 0.92rem;
    line-height: 1.5;
  }

  .products-grid {
    grid-auto-columns: min(70vw, 252px);
    gap: 10px;
    margin-right: -16px;
    padding: 2px 16px 14px 0;
  }

  .product-card {
    box-shadow: 0 10px 26px rgba(100, 17, 37, 0.12);
  }

  .product-card:hover {
    transform: none;
  }

  .product-image {
    aspect-ratio: 1 / 1;
  }

  .product-body {
    gap: 8px;
    padding: 12px;
    border-top-width: 2px;
  }

  .product-body h3 {
    font-size: 1rem;
  }

  .product-body p {
    display: -webkit-box;
    overflow: hidden;
    font-size: 0.82rem;
    line-height: 1.35;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .product-footer {
    gap: 9px;
  }

  .price {
    font-size: 0.98rem;
  }

  .product-card .button {
    min-height: 36px;
    padding-right: 12px;
    padding-left: 12px;
    font-size: 0.84rem;
  }

  .cart-layout {
    gap: 14px;
  }

  .cart-list {
    gap: 10px;
  }

  .cart-item,
  .cart-summary,
  .empty-cart {
    box-shadow: 0 10px 24px rgba(111, 13, 53, 0.1);
  }

  .cart-item {
    gap: 10px;
    padding: 13px;
  }

  .cart-product strong {
    font-size: 0.96rem;
  }

  .cart-product span {
    display: -webkit-box;
    overflow: hidden;
    font-size: 0.84rem;
    line-height: 1.4;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .cart-summary {
    padding: 16px;
  }

  .summary-row strong {
    font-size: 1.22rem;
  }

  .cart-actions {
    gap: 9px;
  }

  .remove-item-button {
    min-height: 38px;
  }
}