@media (max-width: 1180px) {
  .header-wrap,
  .hero-marketplace-grid,
  .hero-grid,
  .about-layout,
  .product-layout,
  .contact-grid,
  .dashboard-grid,
  .cart-grid,
  .review-grid,
  .split-banner,
  .newsletter-wrap,
  .shop-layout-grid,
  .shop-toolbar,
  .account-layout,
  .checkout-layout,
  .blog-layout,
  .tracking-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .product-grid,
  .footer-grid,
  .testimonial-grid,
  .policy-wrap,
  .seller-stats-grid,
  .brand-grid,
  .blog-grid,
  .trust-strip,
  .category-spotlight-grid,
  .hero-stats-four,
  .hero-stats,
  .wishlist-grid,
  .deals-grid,
  .orders-grid,
  .address-grid,
  .account-stat-grid,
  .checkout-trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .collection-grid,
  .marketplace-categories,
  .ultra-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-search {
    max-width: 100%;
  }

  .hero-text h2,
  .page-hero h2,
  .about-text-card h2,
  .product-detail-card h2,
  .account-welcome-card h2,
  .checkout-summary-card h2 {
    font-size: 44px;
  }
}

@media (max-width: 900px) {
  .header-wrap {
    min-height: auto;
    padding: 14px 0 10px;
    gap: 14px;
  }

  .logo-wrap {
    width: 100%;
    justify-content: flex-start;
  }

  .header-search {
    order: 3;
    width: 100%;
    max-width: 100%;
  }

  .header-actions {
    order: 2;
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
    background: rgba(255,255,255,0.05);
  }

  .nav {
    display: none;
    position: absolute;
    top: calc(100% - 2px);
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: #0a1424;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow-large);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 15px;
  }

  .nav a:hover,
  .nav a.active {
    background: rgba(255, 255, 255, 0.06);
    color: var(--accent);
  }

  .feature-grid,
  .product-grid,
  .testimonial-grid,
  .policy-wrap,
  .footer-grid,
  .seller-stats-grid,
  .brand-grid,
  .blog-grid,
  .trust-strip,
  .category-spotlight-grid,
  .collection-grid,
  .marketplace-categories,
  .ultra-footer-grid,
  .hero-stats,
  .hero-stats-four,
  .gallery-thumb-row,
  .wishlist-grid,
  .deals-grid,
  .orders-grid,
  .address-grid,
  .account-stat-grid,
  .checkout-trust-grid,
  .three-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 72px 0 56px;
  }

  .small-hero,
  .section,
  .newsletter-section {
    padding: 56px 0;
  }

  .listing-row {
    grid-template-columns: 1fr 1fr;
  }

  .mini-promo-card {
    grid-template-columns: 1fr;
  }

  .mini-promo-card img {
    height: 180px;
  }

  .tall-card {
    min-height: 360px;
  }

  .product-card img,
  .blog-card img {
    height: 240px;
  }

  .shop-sidebar-card {
    position: static;
    top: auto;
  }

  .quick-view-grid {
    grid-template-columns: 1fr;
  }

  .quick-view-image img {
    min-height: 260px;
  }
}

@media (max-width: 580px) {
  .container {
    width: min(100%, 94%);
  }

  .hero-text h2,
  .page-hero h2,
  .about-text-card h2,
  .product-detail-card h2,
  .section-heading h3,
  .newsletter-wrap h3,
  .account-welcome-card h2,
  .checkout-summary-card h2,
  .quick-view-details h3 {
    font-size: 30px;
    line-height: 1.15;
  }

  .announcement-bar,
  .utility-wrap p,
  .utility-links a {
    font-size: 12px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-tag {
    font-size: 12px;
  }

  .logo {
    width: 50px;
    height: 50px;
  }

  .stat-card strong,
  .big-stat strong,
  .rating-block {
    font-size: 23px;
  }

  .product-card img,
  .blog-card img {
    height: 220px;
  }

  .listing-row {
    grid-template-columns: 1fr;
  }

  .header-search {
    flex-direction: column;
    align-items: stretch;
  }

  .header-search .btn {
    width: 100%;
  }

  .hero-buttons,
  .button-group,
  .quick-view-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn,
  .button-group .btn,
  .button-group a,
  .quick-view-actions .btn,
  .quick-view-actions a {
    width: 100%;
  }

  .quantity-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .quantity-row input {
    max-width: 100%;
  }

  .utility-wrap {
    flex-direction: column;
    justify-content: center;
    padding: 10px 0;
    text-align: center;
  }

  .utility-links {
    justify-content: center;
    flex-wrap: wrap;
  }

  .header-actions {
    gap: 8px;
  }

  .header-actions a,
  .cart-pill {
    font-size: 14px;
  }

  .newsletter-wrap,
  .account-welcome-card,
  .account-sidebar-card,
  .checkout-summary-card,
  .checkout-form-card,
  .contact-card,
  .cart-card,
  .dashboard-card,
  .feature-card,
  .policy-card,
  .tracking-card,
  .notice-card,
  .empty-state-card,
  .review-summary-card,
  .review-list-card,
  .shop-sidebar-card,
  .spotlight-card,
  .quick-view-details {
    padding: 18px;
  }

  .nav-row {
    padding-bottom: 10px;
  }

  .cart-pill {
    padding: 8px 12px;
  }

  .quick-view-modal {
    padding: 10px;
  }
}
@media (max-width: 900px) {
  .auth-page-grid,
  .account-profile-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .role-picker-grid {
    grid-template-columns: 1fr;
  }

  .auth-panel,
  .auth-guard-card,
  .account-panel {
    padding: 20px;
  }

  .auth-switcher {
    width: 100%;
    justify-content: stretch;
  }

  .auth-switch {
    flex: 1 1 0;
  }
}