html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

img,
video {
  max-width: 100%;
  height: auto;
}

@media (max-width: 900px) {
  .container {
    width: min(100%, 94%);
  }

  .nav {
    min-height: 72px;
    gap: 0.65rem;
  }

  .brand,
  .logo {
    gap: 0.55rem;
  }

  .brand img,
  .logo img {
    width: 48px;
    height: 48px;
  }

  .btn,
  .contact-btn,
  .qty-btn,
  .remove-btn,
  #checkout-wa,
  #clear-cart,
  #add-cart {
    min-height: 44px;
    padding: 0.58rem 0.86rem;
    touch-action: manipulation;
  }

  .hero {
    padding: 1.2rem 0.85rem 1rem;
    border-radius: 18px;
  }

  .hero h1,
  h1 {
    line-height: 1.12;
  }

  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 0.6rem;
  }

  .grid .product,
  .grid .card {
    border-radius: 16px;
  }

  .grid .product-media,
  .grid .card img {
    border-radius: 12px;
    margin: 0.35rem 0.35rem 0;
    width: calc(100% - 0.7rem);
  }

  .grid .product-body,
  .grid .card-body {
    padding: 0.58rem;
  }

  .grid .product h3,
  .grid .card h2 {
    font-size: 0.82rem;
    line-height: 1.2;
    margin: 0 0 0.3rem;
  }

  .grid .sku,
  .grid .price,
  .grid .meta-line,
  .grid .meta-line-label {
    font-size: 0.68rem;
    line-height: 1.2;
    margin: 0.15rem 0;
  }

  .grid .actions {
    gap: 0.35rem;
  }

  .grid .actions .btn,
  .grid .actions a {
    min-height: 34px;
    padding: 0.32rem 0.45rem;
    font-size: 0.66rem;
    border-radius: 11px;
  }

  .card {
    grid-template-columns: 1fr !important;
  }

  .media {
    padding: 0.55rem;
  }

  .media > img {
    width: min(100%, 470px) !important;
    max-height: 64vh !important;
    border-radius: 16px;
    object-fit: contain;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(3, minmax(88px, 96px)) !important;
    justify-content: center;
    gap: 0.48rem;
    width: 100%;
    padding: 0.5rem 0.45rem 0.65rem;
  }

  .thumb-btn {
    border-radius: 12px;
  }

  .thumb-btn img {
    aspect-ratio: 3 / 4;
  }

  .swatches {
    gap: 0.46rem;
  }

  .swatch {
    width: 28px;
    height: 28px;
  }

  .actions,
  .cart-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .actions .btn,
  .cart-actions .btn,
  .cart-actions a,
  .cart-actions button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .cart-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .cart-item-tools {
    width: 100%;
    justify-content: flex-start;
  }

  .catalog-menu .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 0.52rem;
  }

  .catalog-menu .catalog-item {
    border-radius: 14px;
  }

  .catalog-menu .catalog-item img {
    width: calc(100% - 0.55rem);
    margin: 0.25rem auto 0;
    border-radius: 10px;
  }

  .catalog-menu .catalog-item-body {
    padding: 0.45rem;
  }

  .catalog-menu .catalog-item-name {
    font-size: 0.74rem;
    line-height: 1.2;
    margin-bottom: 0.2rem;
  }

  .catalog-menu .catalog-item-meta {
    font-size: 0.62rem;
    margin: 0.12rem 0 0.35rem;
    line-height: 1.2;
  }

  .catalog-menu .catalog-item .btn {
    min-height: 30px;
    padding: 0.28rem 0.42rem;
    font-size: 0.64rem;
    border-radius: 10px;
  }

  .zoom-image-wrap {
    width: min(98vw, 900px);
    max-height: 88vh;
  }

  .zoom-image {
    max-height: 84vh;
    border-radius: 14px;
  }

  .zoom-hint {
    font-size: 0.8rem;
    bottom: -1.5rem;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100%, 95%);
  }

  .nav {
    align-items: center;
    flex-wrap: wrap;
  }

  .top-contact {
    width: 100%;
    font-size: 0.84rem;
    margin-top: -0.2rem;
  }

  .hero-badge {
    font-size: 0.76rem;
    padding: 0.3rem 0.65rem;
  }

  .hero p,
  .sub,
  .meta,
  .catalog-note,
  .cart-sub {
    font-size: 0.9rem;
  }

  .grid {
    gap: 0.48rem;
  }

  .grid .product h3,
  .grid .card h2 {
    font-size: 0.76rem;
  }

  .grid .sku,
  .grid .price,
  .grid .meta-line,
  .grid .meta-line-label {
    font-size: 0.62rem;
    line-height: 1.15;
  }

  .grid .actions .btn,
  .grid .actions a {
    min-height: 30px;
    padding: 0.26rem 0.34rem;
    font-size: 0.6rem;
  }

  .catalog-menu .catalog-grid {
    gap: 0.42rem;
  }

  .catalog-menu .catalog-item-name {
    font-size: 0.66rem;
  }

  .catalog-menu .catalog-item-meta {
    font-size: 0.56rem;
  }

  .catalog-menu .catalog-item .btn {
    min-height: 28px;
    font-size: 0.58rem;
    padding: 0.24rem 0.3rem;
  }

  .media > img {
    max-height: 58vh !important;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(3, minmax(82px, 90px)) !important;
    justify-content: center;
  }

  footer .container {
    padding-bottom: max(0.7rem, env(safe-area-inset-bottom));
  }
}