.catalog-hero {
  min-height: 440px;
  display: grid;
  align-items: center;
  padding: clamp(72px, 9vw, 118px) clamp(18px, 6vw, 82px);
  background:
    linear-gradient(90deg, rgba(7, 19, 32, .9), rgba(7, 19, 32, .38)),
    url("../images/awn-ai-hero-banner.jpg") center / cover;
}

.catalog-hero-image {
  aspect-ratio: var(--hero-ratio, 1909 / 824);
  min-height: 0;
  padding: 0;
  background-size: cover;
  background-position: center;
}

.catalog-hero-interactive {
  --hero-ratio: 1909 / 824;
  background-image: url("../images/interactive-panels-top-banner.webp");
}

.catalog-hero-rk3588 {
  --hero-ratio: 3 / 1;
  background-image: url("../images/rk3588-banner-final.webp");
}

.catalog-hero-rk3576 {
  --hero-ratio: 3 / 1;
  background-image: url("../images/rk3576-banner.webp");
}

.catalog-hero-m86lb {
  --hero-ratio: 3 / 1;
  background-image: url("../images/m86lb-banner.webp");
}

.catalog-hero-m86 {
  --hero-ratio: 3 / 1;
  background-image: url("../images/m86-banner.webp");
}

.catalog-hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 4vw, 56px);
}

.catalog-hero .eyebrow {
  color: var(--cyan);
}

.catalog-hero p {
  max-width: 680px;
  color: #d8e9f4;
  font-size: 19px;
}

.catalog-main {
  display: grid;
  grid-template-columns: minmax(230px, 300px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 54px);
  padding: clamp(56px, 7vw, 92px) clamp(18px, 6vw, 82px);
  background: linear-gradient(180deg, #ffffff, #f7fcff);
}

.catalog-sidebar {
  position: sticky;
  top: 92px;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(7, 84, 201, .08);
  overflow: hidden;
}

.catalog-sidebar h2 {
  margin: 0;
  padding: 18px 18px 12px;
  font-size: 20px;
}

.catalog-menu {
  display: grid;
  padding: 8px;
}

.catalog-menu a,
.catalog-menu summary,
.catalog-product-tab {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  list-style: none;
}

.catalog-menu summary::-webkit-details-marker { display: none; }

.catalog-menu a:hover,
.catalog-menu summary:hover,
.catalog-product-tab:hover,
.catalog-menu .is-active {
  background: rgba(84, 221, 235, .12);
  color: var(--blue);
}

.catalog-submenu {
  display: grid;
  gap: 2px;
  margin: 2px 0 8px 14px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.catalog-submenu a {
  min-height: 34px;
  padding: 7px 10px;
  font-size: 13px;
}

.catalog-submenu .catalog-product-tab {
  min-height: 34px;
  padding: 7px 10px;
  font-size: 13px;
}

.catalog-content {
  display: grid;
  gap: 26px;
}

.catalog-listing-main {
  align-items: start;
}

.category-listing-intro {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(7, 84, 201, .06);
}

.category-listing-intro h2 {
  max-width: 840px;
  font-size: clamp(28px, 3vw, 42px);
}

.category-listing-intro p:last-child {
  max-width: 840px;
  font-size: 17px;
}

.product-listing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.listing-card {
  display: grid;
  grid-template-columns: minmax(220px, .78fr) minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  min-height: 330px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(7, 84, 201, .06);
}

.listing-card {
  grid-column: 1 / -1;
}

.smart-blackboard-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.listing-art {
  position: relative;
  min-height: 250px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 32% 24%, rgba(84, 221, 235, .3), transparent 32%),
    linear-gradient(135deg, #eef9ff, #dceeff);
  overflow: hidden;
}

.listing-art.panel-art {
  background-image: url("../images/interactive-panels-product.webp");
  background-size: cover;
  background-position: center;
}

.listing-art.panel-art::before,
.listing-art.panel-art::after {
  display: none;
}

#rk3576 .listing-art {
  background-image: url("../images/rk3576-product.webp");
  background-size: cover;
  background-position: center;
}

#m86lb .listing-art {
  background-image: url("../images/m86lb-product.webp");
  background-size: cover;
  background-position: center;
}

#m86 .listing-art {
  background-image: url("../images/m86-product.webp");
  background-size: cover;
  background-position: center;
}

#rk3576 .listing-art::before,
#rk3576 .listing-art::after,
#m86lb .listing-art::before,
#m86lb .listing-art::after,
#m86 .listing-art::before,
#m86 .listing-art::after {
  display: none;
}

.listing-card h3 {
  margin-bottom: 10px;
  font-size: clamp(25px, 2.4vw, 34px);
}

.model-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 22px;
}

.model-pills span {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.subproduct-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.subproduct-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.subproduct-grid strong,
.subproduct-grid span,
.subproduct-grid a {
  display: block;
}

.subproduct-grid strong {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 18px;
  font-weight: 500;
}

.subproduct-grid span {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
}

.subproduct-grid a {
  width: fit-content;
  color: var(--blue);
  font-size: 14px;
  font-weight: 500;
}

.category-intro,
.product-detail {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(7, 84, 201, .06);
}

.category-intro {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: clamp(24px, 4vw, 42px);
}

.category-intro .category-image {
  min-height: 280px;
}

.category-intro h2 {
  font-size: clamp(28px, 3vw, 42px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.feature-grid div {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.feature-grid strong,
.feature-grid span {
  display: block;
}

.feature-grid strong {
  margin-bottom: 8px;
  color: var(--navy);
  font-weight: 500;
}

.feature-grid span {
  color: var(--muted);
  font-size: 14px;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(270px, .8fr) minmax(0, 1fr);
  gap: 28px;
  padding: clamp(24px, 4vw, 42px);
}

.product-page-main {
  padding: clamp(56px, 7vw, 92px) clamp(18px, 6vw, 82px);
  background: linear-gradient(180deg, #ffffff, #f7fcff);
}

.product-page-main .product-detail {
  max-width: 1180px;
  margin: 0 auto;
}

.product-page-main .category-listing-intro {
  max-width: 1180px;
  margin: clamp(34px, 5vw, 70px) auto 0;
}

.product-image {
  min-height: 0;
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--soft);
}

.product-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.product-detail .product-art {
  min-height: 290px;
  margin: 0;
}

.product-copy h3 {
  margin-bottom: 10px;
  font-size: clamp(26px, 2.5vw, 34px);
}

.spec-table {
  display: grid;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.spec-table-wide {
  overflow-x: auto;
}

.spec-grid {
  min-width: 920px;
  display: grid;
  grid-template-columns: minmax(220px, .9fr) repeat(3, minmax(170px, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.spec-grid > div {
  padding: 13px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.spec-grid > div:nth-child(4n) {
  border-right: 0;
}

.spec-grid > div:nth-last-child(-n + 4) {
  border-bottom: 0;
}

.spec-grid .spec-head,
.spec-grid .spec-label {
  background: var(--soft);
  color: var(--navy);
  font-weight: 500;
}

.spec-grid-four {
  grid-template-columns: minmax(230px, .9fr) repeat(4, minmax(160px, 1fr));
}

.spec-grid-two {
  grid-template-columns: minmax(230px, .9fr) repeat(2, minmax(200px, 1fr));
}

.spec-grid-two > div:nth-child(4n) {
  border-right: 1px solid var(--line);
}

.spec-grid-two > div:nth-child(3n) {
  border-right: 0;
}

.spec-grid-two > div:nth-last-child(-n + 4) {
  border-bottom: 1px solid var(--line);
}

.spec-grid-two > div:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.spec-grid-four > div:nth-child(4n) {
  border-right: 1px solid var(--line);
}

.spec-grid-four > div:nth-child(5n) {
  border-right: 0;
}

.spec-grid-four > div:nth-last-child(-n + 4) {
  border-bottom: 1px solid var(--line);
}

.spec-grid-four > div:nth-last-child(-n + 5) {
  border-bottom: 0;
}

.spec-row {
  display: grid;
  grid-template-columns: minmax(130px, .4fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.spec-row:last-child { border-bottom: 0; }

.spec-row strong,
.spec-row span {
  padding: 13px 15px;
  font-size: 14px;
}

.spec-row strong {
  background: var(--soft);
  color: var(--navy);
  font-weight: 500;
}

.spec-row span {
  color: var(--muted);
}

@media (max-width: 980px) {
  .catalog-main,
  .category-intro,
  .product-detail,
  .listing-card {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    position: static;
  }

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

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

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