/* Internal catalogue navigation, scoped to air-conditioning pages. */
.air-catalogue-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 32px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 32px 32px 0;
  align-items: start;
}
.product-sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
  max-height: calc(100vh - 48px);
  max-height: calc(100dvh - 48px);
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #c5d4e6 transparent;
  border: 1px solid #dce5ef;
  border-radius: 7px;
  background: #fff;
}
.product-directory-panel { padding: 20px 13px 14px; }
.product-directory-title {
  margin: 0 8px 18px;
  color: #193b62;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.02em;
}
.product-directory-toggle { display: none; }
.product-tree summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 35px;
  padding: 7px 8px;
  border-radius: 4px;
  list-style: none;
  cursor: pointer;
  color: #526b87;
}
.product-tree summary::-webkit-details-marker,
.product-directory-toggle::-webkit-details-marker { display: none; }
.product-tree summary:hover { background: #f5f8fc; }
.product-tree summary > a { flex: 1; min-width: 0; }
.product-tree-category > summary { color: #173f73; }
.product-tree-category-link { font-size: 12.5px; font-weight: 600; }
.product-tree-series { margin: 5px 0 0 5px; padding-left: 6px; border-left: 1px solid #e3eaf3; }
.product-tree-branch + .product-tree-branch { margin-top: 12px; }
.product-tree-branch > summary { padding: 4px 6px; }
.product-tree-family {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 36px;
  padding: 6px 4px;
  border-radius: 4px;
  color: #627c9b;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
}
.product-tree-family small { color: #6f849f; font-size: 10px; font-weight: 400; line-height: 1.5; }
.product-tree-family:hover { background: #f5f8fc; color: #003aa5; }
.product-tree a[aria-current] { color: #003aa5; font-weight: 600; }
.product-tree-family[aria-current] { color: #294f82; }
.product-tree-model-group { margin: 5px 0 10px 9px; }
.product-tree-model-group + .product-tree-model-group { margin-top: 12px; padding-top: 10px; border-top: 1px solid #e1e9f3; }
.product-tree-model-group ul { list-style: none; margin: 0; padding: 0; }
.product-tree-range,
.product-tree-range-label { display: block; padding: 4px 8px; color: #7b8fa8; font-size: 9px; font-weight: 500; letter-spacing: .025em; }
.product-tree-range { color: #345f96; }
.product-tree-electrical { margin-left: 4px; color: #6d829e; font-size: 9px; font-weight: 400; letter-spacing: 0; white-space: nowrap; }
.product-tree-solar-input { display: block; padding: 0 8px 5px; color: #6d829e; font-size: 9px; line-height: 1.6; }
.product-tree-range:hover { color: #003aa5; text-decoration: underline; text-underline-offset: 3px; }
.product-tree-model-group > .product-tree-range { min-height: 32px; padding: 6px 8px; color: #003aa5; font-size: 13px; font-weight: 600; line-height: 1.45; letter-spacing: 0; text-decoration: none; }
.product-tree-model-group > .product-tree-range:hover { background: #f3f7fc; }
.product-tree-range-kind { margin-left: 6px; color: #6380a3; font-size: 9px; font-weight: 400; letter-spacing: 0; white-space: nowrap; }
.product-tree-model-group .product-tree-electrical { display: block; margin: 4px 0 0; color: #58769b; font-size: 9.5px; line-height: 1.6; }
.product-tree-model-group .product-tree-solar-input { color: #58769b; font-size: 9.5px; }
.product-tree-model-group .product-tree-model { color: #526c8c; }
.product-tree-model { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; min-height: 31px; padding: 5px 8px; border-radius: 3px; color: #526c8c; font-size: 12px; line-height: 1.7; }
.product-tree-model small { flex: none; color: #8195af; font-size: 9.5px; font-weight: 400; }
.product-tree-model:hover { color: #003aa5; background: #f5f8fc; }
.product-tree-model[aria-current="page"] { background: #edf3fc; box-shadow: inset 2px 0 #003aa5; }
.product-tree-model-group .product-tree-model[aria-current="page"] { color: #003aa5; background: #e0ebfa; }
.product-tree-model[aria-current="page"] small { color: #4b73a7; }
.tree-chevron {
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  margin-right: 3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
}
details[open] > summary > .tree-chevron { transform: rotate(45deg); }
.product-directory-other { margin-top: 16px; padding-top: 12px; border-top: 1px solid #e1e8f1; }
.product-directory-other a { display: flex; min-height: 36px; align-items: center; padding: 7px 8px; color: #58718e; font-size: 11.5px; }
.product-directory-other a:hover { color: #003aa5; background: #f5f8fc; border-radius: 4px; }
.product-tree summary:focus-visible,
.product-tree a:focus-visible,
.product-directory-toggle:focus-visible { outline: 2px solid #4885d3; outline-offset: 2px; }
.air-catalogue-content { min-width: 0; container-type: inline-size; container-name: air-content; }
.air-catalogue-content .section-wrap { max-width: none; margin: 0; padding-left: 24px; padding-right: 24px; }
.air-catalogue-content .air-family,
.air-catalogue-content .product-detail { padding-top: 8px; }
.air-catalogue-content .air-family { padding-bottom: 48px; }
.air-catalogue-content .detail-copy .family-product-type { margin: 14px 0 18px; color: var(--ink); font-size: 21px; font-weight: 500; line-height: 1.45; letter-spacing: -.02em; }
.air-catalogue-content .family-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 24px; }
.air-catalogue-content .detail-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.air-catalogue-content .detail-grid > .product-visual { height: 360px; padding: 36px 20px; }
.air-selling-points { margin: 18px 0 24px; padding-left: 18px; list-style: disc; color: #536d8d; font-size: 13px; line-height: 1.75; }
.air-selling-points li { padding-left: 2px; }
.air-selling-points li + li { margin-top: 5px; }
.air-selling-points li::marker { color: #003aa5; font-size: .8em; }
.air-model-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.air-series-heading { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.air-series-heading h1 { margin: 0; }
.detail-copy .air-series-heading .provenance { margin: 0; }
.air-model-heading h1.detail-model { margin: 0; font-size: 45px; line-height: 1.18; }
.detail-copy .air-model-heading .provenance { margin: 0; }
.moq-label { display: inline-flex; align-items: baseline; gap: 5px; padding: 5px 8px; border: 1px solid #d2deed; border-radius: 3px; color: #617a99; font-size: 10px; white-space: nowrap; line-height: 1.4; }
.moq-label strong { color: #254e81; font-size: 11px; font-weight: 500; }
.air-catalogue-content .detail-copy > .detail-product-type { margin: 11px 0 20px; color: var(--ink); font-size: 23px; font-weight: 600; line-height: 1.45; }
.sp-stock-note { margin: 20px 0; padding: 16px 18px; border-left: 2px solid #7897bd; background: #f4f7fb; }
.sp-stock-note > span { display: block; color: #42648e; font-size: 9px; font-weight: 500; letter-spacing: .08em; }
.sp-stock-note p { margin: 8px 0 0; color: #536d8d; font-size: 12px; line-height: 1.85; }
.detail-copy > .datasheet-link { display: inline-block; margin: 16px 0 0 18px; }
.sphy-technical { padding-top: 36px; padding-bottom: 48px; border-top: 1px solid #dce5ef; }
.sphy-technical h2 { margin-bottom: 26px; font-size: 28px; }
.sphy-technical-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.sphy-tech-card { min-width: 0; padding: 22px; border: 1px solid #dce5ef; border-radius: 4px; background: white; }
.sphy-tech-card h3 { color: #234b7c; font-size: 17px; }
.sphy-tech-card dl { margin: 18px 0 0; font-size: 11px; line-height: 1.65; }
.sphy-tech-card dl > div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid #e7edf5; }
.sphy-tech-card dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.sphy-tech-card dt { color: #617a99; }
.sphy-tech-card dd { flex-shrink: 0; max-width: 60%; margin: 0; color: #193b62; text-align: right; overflow-wrap: anywhere; }
.sphy-technical-comparison { display: grid; gap: 24px; }
.sphy-table-wrap { overflow-x: auto; }
.sphy-tech-card table { width: 100%; min-width: 500px; border-collapse: collapse; text-align: left; font-size: 12px; }
.sphy-tech-card caption { padding-bottom: 17px; color: #234b7c; font-size: 17px; font-weight: 600; text-align: left; }
.sphy-tech-card th,.sphy-tech-card td { padding: 11px 12px; border-bottom: 1px solid #e1e9f3; vertical-align: top; }
.sphy-tech-card thead { background: #f4f7fb; }
.sphy-tech-card th { color: #536f91; font-weight: 500; }
.sphy-reference-note { margin: 20px 0 10px; color: #7a8da6; font-size: 10px; line-height: 1.7; }
.air-catalogue-content .contact-section { gap: 36px; padding: 48px 24px; }
.air-catalogue-content .ac-poster-heading { display: block; }
.air-catalogue-content .ac-poster-heading h1 { font-size: clamp(32px, 3vw, 42px); }
.air-catalogue-content .ac-poster-heading > p { margin-top: 16px; max-width: 580px; }
.air-catalogue-content [hidden] { display: none !important; }
@container air-content (max-width: 1100px) {
  .air-catalogue-content .home-air-title-row { flex-direction: column; align-items: flex-start; }
}
@container air-content (max-width: 760px) {
  .sphy-technical-grid { grid-template-columns: 1fr; }
  .air-catalogue-content .home-air-poster .ac-regions { grid-template-columns: 1fr; }
  .air-catalogue-content .home-air-poster .ac-region { border-right: 0; border-bottom: 1px solid #dce5ef; }
  .air-catalogue-content .home-air-poster .ac-region:last-child { border-bottom: 0; }
}
@media (max-width: 1240px) {
  .air-catalogue-layout { display: block; padding: 24px 32px 0; }
  .product-sidebar { position: static; max-height: none; overflow: visible; margin-bottom: 24px; }
  .product-directory-toggle { display: flex; align-items: center; gap: 14px; min-height: 50px; padding: 12px 16px; list-style: none; color: #193b62; font-size: 13px; font-weight: 500; cursor: pointer; }
  .product-directory-current { margin-left: auto; color: #68809e; font-size: 11px; font-weight: 400; }
  .product-directory-panel { margin: 0 16px; padding: 12px 0; border-top: 1px solid #e1e8f1; }
  .product-directory-title { display: none; }
  .product-tree-category-link { font-size: 14px; }
  .product-tree-family { font-size: 12px; }
  .product-tree-model { min-height: 38px; align-items: center; }
  .product-directory-other a { font-size: 13px; min-height: 40px; }
  .air-catalogue-content .section-wrap { padding-left: 0; padding-right: 0; }
  .air-catalogue-content .contact-section { padding-left: 0; padding-right: 0; }
}
@media (max-width: 760px) {
  .sphy-tech-card { padding: 18px; }
  .sphy-technical h2 { font-size: 25px; }
  .sp-stock-note { padding: 14px; }
  .air-model-heading h1.detail-model { font-size: 38px; }
  .air-catalogue-content .detail-copy > .detail-product-type { font-size: 21px; }
  .air-catalogue-layout { padding: 20px 22px 0; }
  .air-catalogue-content .detail-grid { grid-template-columns: 1fr; gap: 28px; }
  .air-catalogue-content .detail-grid > .product-visual { height: 310px; padding: 32px 18px; }
  .air-catalogue-content .contact-section { grid-template-columns: 1fr; }
}