:root {
  --blue: #004d99;
  --nav: #244f91;
  --deep: #003a73;
  --cyan: #00aeef;
  --ink: #25354a;
  --gray: #65738a;
  --line: #dde5ef;
  --bg: #f3f6fa
}

* {
  box-sizing: border-box
}

body {
  margin: 0;
  font: 15px/1.5 Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: white
}

a {
  color: var(--blue);
  text-decoration: none
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px
}

button,
input,
select,
textarea {
  font: inherit
}

button {
  cursor: pointer
}

button,
a {
  touch-action: manipulation
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px
}

button:disabled {
  opacity: .45;
  cursor: default
}

[hidden] {
  display: none !important
}

.container {
  max-width: 1240px;
  padding: 0 28px;
  margin: auto
}

.demo {
  font-size: 11px;
  text-align: center;
  background: #eaf3fc;
  color: #416282;
  padding: 5px
}

.head {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 25px;
  padding-top: 22px;
  padding-bottom: 22px
}

.logo {
  text-align: center
}

.logo img {
  display: inline-block;
  vertical-align: middle;
  object-fit: contain;
  width: 218px;
  height: 66px
}

.contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  font-size: 18px;
  line-height: 1.5
}

.contact a:last-child {
  font-size: 14px
}

.address {
  font-size: 14px;
  text-align: right
}

.address span {
  color: var(--gray);
  font-size: 12px
}

.nav-band {
  background: var(--nav)
}

nav {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 6px
}

nav a {
  color: white;
  font-size: 13px;
  padding: 16px 15px;
  display: flex;
  align-items: center;
  gap: 9px
}

nav a:hover {
  background: #173e79;
  text-decoration: none
}

.request-link {
  margin-left: auto;
  background: #003a73
}

.request-link b {
  background: white;
  color: var(--blue);
  border-radius: 3px;
  font-size: 12px;
  min-width: 22px;
  text-align: center
}

.hero {
  background: linear-gradient(90deg, #fff 0%, #ffffffec 35%, #ffffff80 72%, #ffffff20), url('assets/ventilation.webp') center 47%/cover;
  border-bottom: 1px solid var(--line)
}

.hero-inner {
  padding-top: 48px;
  padding-bottom: 46px
}

.hero small {
  color: var(--blue);
  font-size: 14px
}

.hero h1 {
  font-size: 40px;
  line-height: 1.18;
  font-weight: 500;
  max-width: 650px;
  margin: 13px 0 18px;
  letter-spacing: -.7px
}

.hero p {
  max-width: 550px;
  color: #53647a;
  margin: 0 0 24px;
  font-size: 16px
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border: 1px solid #c5d4e8;
  background: white;
  color: var(--blue);
  padding: 11px 17px;
  border-radius: 3px;
  min-height: 43px;
  font-size: 13px;
  font-weight: 600
}

.btn:hover {
  background: #e9f3ff;
  text-decoration: none
}

.btn.primary {
  background: var(--blue);
  border-color: var(--blue);
  color: white
}

.btn.primary:hover {
  background: var(--deep)
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px
}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  border-bottom: 1px solid var(--line);
  padding-top: 21px;
  padding-bottom: 21px
}

.services strong {
  font-size: 14px;
  display: block;
  font-weight: 500;
  color: var(--blue)
}

.services span {
  font-size: 12px;
  color: var(--gray)
}

.shop {
  padding-top: 32px;
  padding-bottom: 45px;
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr);
  gap: 30px
}

.sidebar {
  border: 1px solid var(--line);
  align-self: start;
  background: white
}

.sidebar h2 {
  font-size: 17px;
  background: var(--nav);
  color: white;
  margin: 0;
  padding: 16px;
  font-weight: 500
}

.side-link {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  text-align: left;
  align-items: center;
  width: 100%;
  background: white;
  border: 0;
  border-bottom: 1px solid #edf1f6;
  color: var(--ink);
  font-size: 13px;
  padding: 13px 15px;
  min-height: 43px
}

.side-link small {
  color: var(--gray);
  font-size: 11px
}

.side-link:hover {
  background: #f0f6fd
}

.side-link.active {
  color: var(--blue);
  background: #eaf4ff;
  border-left: 3px solid var(--cyan);
  padding-left: 12px
}

.side-link.sub {
  padding-left: 27px;
  font-size: 12px
}

.side-link.sub.active {
  padding-left: 24px
}

.side-help {
  background: var(--bg);
  padding: 18px;
  font-size: 12px;
  color: var(--gray)
}

.side-help a {
  font-size: 15px;
  display: block;
  margin-top: 10px
}

.shop-main {
  min-width: 0
}

.title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 15px
}

h2 {
  font-size: 26px;
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 15px
}

h3 {
  font-size: 19px;
  font-weight: 500
}

.title-row h2 {
  margin: 0
}

.muted {
  color: var(--gray)
}

.small {
  font-size: 12px
}

.search {
  display: flex;
  border: 1px solid #bacbdf;
  border-radius: 3px;
  background: white;
  margin-bottom: 14px;
  overflow: hidden
}

.search input {
  width: 100%;
  min-width: 0;
  border: 0;
  padding: 13px 15px;
  outline-offset: -3px
}

.search button {
  background: var(--blue);
  color: white;
  border: 0;
  padding: 0 22px;
  font-size: 13px
}

.filter-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px
}

.filter-row select {
  padding: 9px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  min-width: 0;
  max-width: 100%;
  font-size: 12px
}

.filter-row label {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 5px
}

.reset {
  margin-left: auto;
  background: transparent;
  color: var(--blue);
  font-size: 12px;
  border: 0;
  padding: 8px
}

.results-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--gray);
  margin: 15px 0
}

.products {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px
}

.product {
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  background: white;
  border-radius: 3px;
  overflow: hidden;
  transition: box-shadow .15s
}

.product:hover {
  box-shadow: 0 4px 15px #21477912;
  border-color: #a8c0dd
}

.product-photo {
  height: 180px;
  padding: 15px 18px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center
}

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

.product-body {
  padding: 0 17px 15px;
  display: flex;
  flex-direction: column;
  flex: 1
}

.product-body h3 {
  font-size: 14px;
  line-height: 1.45;
  margin: 10px 0 14px;
  min-height: 81px;
  font-weight: 500;
  color: var(--blue);
  overflow-wrap: anywhere
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 23px
}

.badge {
  font-size: 10px;
  padding: 3px 6px;
  background: #edf4fc;
  color: #3c6291;
  border-radius: 2px
}

.badge.archive {
  background: #fff2d9;
  color: #885b17
}

.product-body .mini {
  font-size: 11px;
  color: var(--gray);
  margin: 10px 0 14px;
  overflow-wrap: anywhere
}

.product-body .btn {
  width: 100%;
  margin-top: auto;
  font-size: 12px
}

.product-body .price {
  font-size: 12px;
  margin: 0 0 10px
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 27px 0;
  flex-wrap: wrap
}

.pagination button {
  border: 1px solid var(--line);
  color: var(--blue);
  background: white;
  min-width: 40px;
  min-height: 40px;
  border-radius: 3px;
  padding: 7px
}

.pagination button.active {
  background: var(--blue);
  color: white
}

.empty {
  grid-column: 1/-1;
  background: var(--bg);
  padding: 35px;
  text-align: center
}

.lower {
  background: var(--bg);
  padding: 40px 0
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px
}

.steps b {
  color: var(--cyan);
  font-size: 28px;
  font-weight: 400
}

.steps p {
  color: var(--gray);
  font-size: 13px
}

.page {
  padding-top: 27px;
  padding-bottom: 55px
}

.crumb {
  color: var(--gray);
  font-size: 12px;
  margin-bottom: 22px
}

.page h1 {
  font-size: 30px;
  line-height: 1.3;
  margin: 10px 0 25px;
  font-weight: 500;
  color: #234b79
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 45px
}

.gallery-main {
  width: 100%;
  height: 330px;
  object-fit: contain;
  border: 1px solid var(--line);
  padding: 25px;
  background: white
}

.thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px
}

.thumbs button {
  border: 1px solid var(--line);
  background: white;
  padding: 5px;
  width: 65px;
  height: 60px;
  border-radius: 3px
}

.thumbs button.active {
  border-color: var(--blue)
}

.thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain
}

.summary {
  font-size: 14px;
  line-height: 1.65
}

.summary .sku {
  color: var(--gray);
  font-size: 12px;
  overflow-wrap: anywhere
}

.summary h2 {
  font-size: 22px;
  line-height: 1.4
}

.summary p {
  color: var(--gray)
}

.field {
  border: 1px solid #bfcfe1;
  border-radius: 3px;
  padding: 11px;
  background: white;
  max-width: 100%;
  min-width: 0
}

.quantity {
  width: 95px
}

.buy {
  padding: 20px;
  background: var(--bg);
  margin-top: 20px;
  border-left: 3px solid var(--cyan)
}

.buy label {
  display: block;
  font-size: 12px;
  margin: 10px 0 5px
}

.buy .actions {
  margin-top: 12px
}

.data-tabs {
  margin-top: 38px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px
}

.specs {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px
}

.specs td {
  border-bottom: 1px solid var(--line);
  padding: 11px 8px;
  vertical-align: top;
  overflow-wrap: anywhere
}

.specs td:first-child {
  color: var(--gray);
  width: 55%
}

.description {
  white-space: pre-line;
  font-size: 14px;
  line-height: 1.7;
  color: #53647a;
  overflow-wrap: anywhere
}

.description-box summary {
  cursor: pointer;
  color: var(--blue);
  margin-bottom: 15px;
  font-size: 18px
}

.archive-note {
  background: #fff4df;
  color: #825c25;
  padding: 15px;
  font-size: 13px;
  margin-bottom: 20px
}

.request-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px
}

.request-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 15px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line)
}

.request-item img {
  width: 64px;
  height: 64px;
  object-fit: contain
}

.request-item h3 {
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 10px
}

.request-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap
}

.request-controls input {
  width: 72px;
  padding: 6px;
  border: 1px solid var(--line)
}

.request-controls button {
  border: 1px solid var(--line);
  background: white;
  padding: 8px;
  color: var(--blue);
  min-width: 36px;
  min-height: 36px
}

.request-controls .remove {
  margin-left: auto;
  font-size: 11px;
  border: 0
}

.form-panel {
  padding: 25px;
  border: 1px solid var(--line);
  background: var(--bg);
  align-self: start
}

.form-panel label {
  display: block;
  font-size: 13px;
  margin: 15px 0 5px
}

.form-panel .field {
  width: 100%
}

.form-panel textarea {
  min-height: 100px;
  resize: vertical
}

.form-panel .check {
  display: flex;
  align-items: start;
  gap: 9px;
  font-size: 12px;
  margin: 18px 0
}

.check input {
  width: 18px;
  height: 18px;
  flex-shrink: 0
}

.form-panel .btn {
  width: 100%
}

.error {
  font-size: 13px;
  color: #b82929
}

.success {
  background: #e7f3fc;
  border: 1px solid #adcbe8;
  padding: 20px;
  margin-top: 20px
}

.text-page {
  max-width: 800px;
  min-height: 350px
}

.text-page p {
  color: var(--gray);
  line-height: 1.8
}

.text-page h2 {
  margin-top: 30px
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--deep);
  color: white;
  box-shadow: 0 4px 20px #0002;
  padding: 13px 22px;
  font-size: 13px;
  z-index: 10;
  max-width: calc(100% - 30px);
  border-radius: 4px
}

footer {
  border-top: 4px solid var(--nav);
  background: #f5f7fa;
  padding: 30px 0 20px
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 1fr;
  gap: 35px;
  font-size: 14px
}

.footer-grid img {
  width: 165px;
  height: auto
}

.footer-grid p {
  font-size: 12px;
  color: var(--gray)
}

.footnote {
  border-top: 1px solid var(--line);
  padding-top: 15px;
  margin-top: 20px;
  font-size: 11px;
  color: var(--gray)
}

@media(max-width:1000px) {
  .shop {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 20px
  }

  .products {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .address {
    font-size: 12px
  }

  .contact {
    font-size: 16px
  }

  nav a {
    padding: 14px 8px;
    font-size: 12px
  }

  .hero h1 {
    font-size: 35px
  }

  .product-body h3 {
    min-height: 63px
  }

  .data-tabs {
    gap: 25px
  }
}

@media(max-width:680px) {
  .container {
    padding-left: 16px;
    padding-right: 16px
  }

  .head {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding-top: 16px;
    padding-bottom: 16px
  }

  .logo {
    grid-column: 1;
    grid-row: 1;
    text-align: left
  }

  .logo img {
    width: 170px;
    height: auto
  }

  .contact {
    grid-column: 2;
    grid-row: 1;
    align-items: end;
    font-size: 13px
  }

  .contact a:last-child {
    font-size: 10px
  }

  .address {
    display: none
  }

  nav {
    flex-wrap: wrap;
    gap: 0;
    padding: 0 !important
  }

  nav a {
    justify-content: center;
    flex: 1 0 32%;
    padding: 11px 5px;
    font-size: 11px;
    border-bottom: 1px solid #ffffff16
  }

  .request-link {
    margin: 0
  }

  .hero-inner {
    padding-top: 30px;
    padding-bottom: 30px
  }

  .hero {
    background: linear-gradient(90deg, #fffffff5, #ffffffd6), url('assets/ventilation.webp') center/cover
  }

  .hero h1 {
    font-size: 30px;
    line-height: 1.25
  }

  .hero p {
    font-size: 14px
  }

  .hero small {
    font-size: 12px
  }

  .services {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-top: 17px;
    padding-bottom: 17px
  }

  .services div {
    display: flex;
    gap: 12px;
    align-items: center
  }

  .services strong {
    font-size: 12px;
    min-width: 125px
  }

  .services span {
    font-size: 11px
  }

  .shop {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 22px
  }

  .sidebar h2 {
    padding: 12px;
    font-size: 15px
  }

  .side-help,
  .side-link.sub {
    display: none
  }

  .sidebar-links {
    display: grid;
    grid-template-columns: 1fr 1fr
  }

  .side-link {
    font-size: 12px;
    padding: 10px;
    min-height: 48px
  }

  .side-link.active {
    padding-left: 7px
  }

  .side-link small {
    font-size: 10px
  }

  .side-link[data-cat="all"],
  .side-link[data-cat="archive"] {
    grid-column: 1/-1
  }

  .title-row h2 {
    font-size: 23px
  }

  .products {
    gap: 10px
  }

  .product-photo {
    height: 145px;
    padding: 12px
  }

  .product-body {
    padding: 0 12px 12px
  }

  .product-body h3 {
    font-size: 12px;
    min-height: 86px
  }

  .product-body .mini {
    font-size: 10px
  }

  .product-body .btn {
    font-size: 11px;
    padding: 9px 6px
  }

  .badge {
    font-size: 9px
  }

  .search button {
    padding: 0 15px
  }

  .filter-row {
    gap: 8px
  }

  .filter-row select {
    max-width: 100%;
    flex: 1;
    font-size: 12px
  }

  .filter-row label {
    width: 100%
  }

  .reset {
    margin-left: 0
  }

  .product-detail,
  .data-tabs,
  .request-grid,
  .steps,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px
  }

  .page h1 {
    font-size: 25px
  }

  .gallery-main {
    height: 260px
  }

  .data-tabs {
    margin-top: 25px
  }

  .gallery-main {
    padding: 15px
  }

  .form-panel {
    padding: 19px
  }

  .empty {
    padding: 25px 15px
  }

  .demo {
    font-size: 10px
  }

  .footer-grid {
    gap: 18px
  }

  .title-row {
    align-items: start;
    gap: 10px
  }

  .title-row .small {
    max-width: 100px;
    text-align: right
  }

  .lower {
    padding: 28px 0
  }

  .steps h3 {
    margin: 8px 0
  }

  .step p {
    margin: 5px 0
  }
}

@media(max-width:360px) {
  .head {
    gap: 6px
  }

  .logo img {
    width: 142px
  }

  .contact {
    font-size: 12px
  }

  .contact a:last-child {
    font-size: 9px
  }

  .hero h1 {
    font-size: 27px
  }

  .products {
    grid-template-columns: 1fr
  }

  .product-photo {
    height: 190px
  }

  .product-body h3 {
    font-size: 14px;
    min-height: 0
  }

  .product-body .btn {
    font-size: 13px
  }

  .services div {
    display: block
  }

  .services span {
    display: block
  }

  .sidebar-links {
    grid-template-columns: 1fr
  }
}

@media(prefers-reduced-motion:reduce) {
  * {
    transition: none !important
  }
}

.mobile-category {
  display: none
}

@media(max-width:680px) {
  .filter-row .mobile-category {
    display: block;
    flex: 1 0 100%;
    width: 100%
  }
}

@media(max-width:680px) {
  .sidebar {
    display: none
  }

  .shop {
    padding-top: 25px
  }
}

.photo-placeholder {
  display: grid;
  place-content: center;
  text-align: center;
  background: #f3f6fa;
  color: #758297;
  font-size: 13px;
  width: 100%;
  height: 100%;
  min-height: 70px
}

.no-photo {
  display: grid;
  place-content: center;
  color: #758297;
  background: #f3f6fa
}

.request-item .photo-placeholder {
  font-size: 10px;
  min-height: 64px
}

.side-link {
  overflow-wrap: anywhere
}

.side-link small {
  flex-shrink: 0;
  white-space: nowrap;
  min-width: 20px;
  text-align: right
}

.about-intro {
  max-width: 850px;
  margin-bottom: 32px
}

.about-intro h1 {
  max-width: 750px;
  font-size: 36px;
  line-height: 1.2;
  margin-bottom: 20px
}

.about-kicker {
  font-size: 12px;
  color: var(--blue);
  letter-spacing: 1px;
  margin-bottom: 12px
}

.about-lead {
  font-size: 18px;
  line-height: 1.65;
  color: #42566f
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px
}

.about-main p {
  color: #53647a;
  line-height: 1.75
}

.about-main h2 {
  margin-top: 34px;
  font-size: 25px
}

.about-main h2:first-child {
  margin-top: 0
}

.about-company {
  background: var(--bg);
  border-top: 3px solid var(--blue);
  padding: 23px;
  align-self: start
}

.about-company h2 {
  font-size: 20px;
  margin-bottom: 13px
}

.about-company p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray)
}

.about-company a {
  display: block;
  margin: 12px 0;
  font-size: 14px
}

.about-company dl {
  margin: 20px 0 0;
  font-size: 12px
}

.about-company dt {
  color: var(--gray);
  margin-top: 9px
}

.about-company dd {
  margin: 0
}

.about-range {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 20px
}

.about-range button {
  text-align: left;
  background: white;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  padding: 20px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5
}

.about-range button:hover {
  background: #f3f8ff
}

.about-range strong {
  font-size: 17px;
  color: var(--blue);
  font-weight: 500;
  display: block;
  margin-bottom: 9px
}

.about-range span {
  display: block;
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 17px
}

.about-range em {
  font-size: 12px;
  font-style: normal;
  color: var(--blue)
}

.about-process {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  counter-reset: about
}

.about-process li {
  position: relative;
  padding: 0 0 22px 45px;
  counter-increment: about
}

.about-process li:before {
  content: counter(about);
  position: absolute;
  left: 0;
  top: 0;
  background: #eaf3fc;
  color: var(--blue);
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 13px
}

.about-process strong {
  font-size: 15px;
  font-weight: 500
}

.about-process p {
  font-size: 14px;
  margin: 6px 0 0
}

.about-end {
  border-top: 1px solid var(--line);
  padding-top: 23px;
  margin-top: 15px
}

.about-end p {
  margin: 0 0 18px
}

.about-status {
  border-left: 3px solid var(--cyan);
  padding-left: 18px;
  margin: 25px 0
}

.about-status p {
  font-size: 14px
}

.about-status strong {
  font-weight: 500;
  color: var(--blue)
}

@media(max-width:800px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 30px
  }

  .about-company {
    max-width: none
  }

  .about-intro h1 {
    font-size: 30px
  }
}

@media(max-width:480px) {
  .about-intro h1 {
    font-size: 26px
  }

  .about-lead {
    font-size: 16px
  }

  .about-range {
    grid-template-columns: 1fr
  }

  .about-main h2 {
    font-size: 23px
  }
}

.about-facts {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1fr;
  gap: 25px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 0 0 38px
}

.about-facts strong {
  display: block;
  color: var(--blue);
  font-size: 21px;
  font-weight: 500
}

.about-facts span {
  display: block;
  color: var(--gray);
  font-size: 13px;
  margin-top: 6px
}

.about-service-list {
  margin-top: 22px
}

.about-service-list section {
  border-bottom: 1px solid var(--line);
  padding: 15px 0
}

.about-service-list h3 {
  font-size: 18px;
  margin: 0 0 7px;
  color: var(--blue)
}

.about-service-list p {
  font-size: 14px;
  margin: 0
}

.about-intro h1 {
  font-size: 34px;
  max-width: 900px
}

@media(max-width:680px) {
  .about-facts {
    grid-template-columns: 1fr;
    gap: 17px;
    margin-bottom: 28px
  }

  .about-facts strong {
    font-size: 20px
  }

  .about-intro h1 {
    font-size: 27px
  }
}

/* Distributor proof and practical services */
.advantages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 22px 0 38px
}

.advantage {
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: #f7faff;
  padding: 26px 22px
}

.advantage-icon {
  display: flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  background: #e4f5fc;
  color: var(--blue);
  border-radius: 10px;
  margin-bottom: 20px
}

.advantage-icon svg {
  width: 34px;
  height: 34px
}

.advantage h3 {
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 10px;
  color: var(--blue)
}

.advantage p {
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
  color: var(--gray)
}

.advantages-compact {
  margin: 0 auto;
  padding-top: 24px;
  padding-bottom: 24px;
  gap: 25px
}

.advantages-compact .advantage {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 0;
  background: none;
  border: 0
}

.advantages-compact .advantage-icon {
  margin: 0;
  flex-shrink: 0
}

.advantages-compact h3 {
  font-size: 16px;
  margin: 0 0 4px
}

.advantages-compact p {
  font-size: 13px
}

.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  margin: 0 0 34px;
  color: var(--blue);
  font-size: 14px
}

.about-highlights span:before {
  content: '✓';
  color: #009bce;
  margin-right: 9px
}

.benefits-title {
  font-size: 27px;
  margin: 0
}

.distributor-proof {
  display: grid;
  grid-template-columns: 225px minmax(0, 1fr);
  gap: 42px;
  align-items: center;
  padding: 32px;
  background: #f2f6fa;
  border: 1px solid var(--line);
  margin-bottom: 42px
}

.certificate-preview {
  display: block;
  background: white;
  padding: 10px;
  box-shadow: 0 5px 20px #233e5712;
  text-align: center
}

.certificate-preview img {
  display: block;
  width: 100%;
  height: auto
}

.certificate-preview span {
  display: block;
  font-size: 12px;
  margin: 12px 0 3px
}

.certificate-preview:hover {
  outline: 2px solid var(--cyan)
}

.distributor-proof h2 {
  font-size: 28px;
  line-height: 1.25;
  margin: 0 0 18px
}

.distributor-proof p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 640px
}

.distributor-proof .certificate-date {
  font-size: 12px;
  margin-bottom: 22px
}

.selection-help {
  margin: 24px 0;
  padding: 22px;
  border-left: 3px solid var(--cyan);
  background: #f7faff
}

.selection-help h3 {
  margin: 0;
  font-size: 19px;
  color: var(--blue)
}

.selection-help p {
  font-size: 14px
}

.selection-help a {
  font-size: 14px
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px
}

@media(max-width:800px) {
  .advantages {
    gap: 12px
  }

  .advantage {
    padding: 20px 15px
  }

  .advantage h3 {
    font-size: 17px
  }

  .distributor-proof {
    gap: 26px;
    grid-template-columns: 190px minmax(0, 1fr);
    padding: 24px
  }

  .distributor-proof h2 {
    font-size: 24px
  }

  .advantages-compact {
    grid-template-columns: 1fr
  }

  .advantages-compact .advantage {
    padding: 10px 0
  }
}

@media(max-width:600px) {
  .advantages {
    grid-template-columns: 1fr
  }

  .advantage {
    display: flex;
    align-items: flex-start;
    gap: 16px
  }

  .advantage-icon {
    flex-shrink: 0;
    margin: 0
  }

  .benefits-title {
    font-size: 24px
  }

  .distributor-proof {
    grid-template-columns: 1fr;
    padding: 22px;
    gap: 26px
  }

  .certificate-preview {
    width: 190px;
    margin: auto
  }

  .distributor-proof h2 {
    font-size: 23px
  }

  .about-highlights {
    display: grid;
    gap: 12px
  }

  .advantages-compact {
    gap: 0
  }
}

/* Fill floor-filter image areas without cropping the material. */
.product-photo.floor-photo {
  height: auto;
  aspect-ratio: 3/2;
  padding: 0;
  overflow: hidden
}

.product-photo.floor-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center
}

.gallery-main.floor-gallery {
  display: block;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 8px
}

.gallery-main.floor-gallery.is-roll {
  aspect-ratio: 3/2;
  object-fit: cover;
  object-position: center;
  padding: 0
}

.thumbs .roll-thumb {
  overflow: hidden;
  padding: 0
}

.thumbs .roll-thumb img {
  object-fit: cover
}

/* Variant 02: live product specification label on coarse-filter photos. */
.product-photo.coarse-photo {
  height: auto;
  padding: 0;
  display: block;
  aspect-ratio: 1
}

.coarse-artwork {
  container-type: inline-size;
  position: relative;
  display: block;
  aspect-ratio: 1;
  width: 100%;
  background: #fff;
  overflow: hidden
}

.coarse-artwork .coarse-image,
.coarse-artwork .gallery-main {
  position: absolute;
  left: 0;
  top: -2%;
  width: 100%;
  height: 81%;
  object-fit: contain;
  padding: 0;
  border: 0;
  margin: 0
}

.coarse-sticker {
  position: absolute;
  bottom: 3cqw;
  left: 3cqw;
  right: 3cqw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5cqw 3cqw;
  padding: 3cqw 4cqw;
  background: #fff;
  border: 1px solid #c4d5e5;
  border-left: 1.2cqw solid #00aeef;
  border-radius: 3cqw;
  box-shadow: 0 1cqw 4cqw #244f9114;
  color: #244f91;
  text-align: left
}

.coarse-sticker[hidden] {
  display: none
}

.coarse-spec {
  display: block;
  min-width: 0
}

.coarse-label {
  display: block;
  font-size: clamp(9px, 2.7cqw, 15px);
  line-height: 1.2;
  color: #617693;
  margin-bottom: 1cqw
}

.coarse-value {
  display: block;
  font-weight: 700;
  font-size: clamp(12px, 4cqw, 24px);
  line-height: 1.2;
  white-space: nowrap
}

.coarse-unit {
  font-size: .75em;
  font-weight: normal
}

.coarse-spec:last-child {
  background: #e7f6fc;
  border-radius: 1cqw;
  padding: 1.3cqw 2cqw;
  margin: -1.3cqw -1cqw
}

.product-photo.coarse-photo:hover {
  text-decoration: none
}

.product-photo.coarse-photo .coarse-artwork {
  border-bottom: 1px solid #edf2f6
}

#galleryFrame.coarse-artwork {
  border: 1px solid var(--line)
}

/* Floor filters use the same white label, with three specifications. */
.floor-sticker .coarse-spec:first-child {
  grid-column: 1/-1
}

.coarse-artwork.floor-artwork .coarse-image,
.coarse-artwork.floor-artwork .gallery-main {
  height: 75%;
  top: -2%;
  object-fit: cover;
  aspect-ratio: auto;
  padding: 0;
  border: 0
}

.floor-sticker {
  row-gap: 2.2cqw
}

/* Compact product information and prominent placeholder prices. */
.product-body h3 {
  min-height: 0;
  margin: 12px 0 5px
}

.product-body .mini {
  margin: 0 0 12px
}

.product-body .price {
  margin: auto 0 12px;
  padding-top: 4px;
  font-size: 25px;
  line-height: 1.2;
  font-weight: 700;
  color: var(--blue)
}

.price-currency {
  font-size: .65em;
  font-weight: 500
}

.product-body .btn {
  margin-top: 0
}

.buy>.price {
  display: block;
  font-size: 30px;
  line-height: 1.2;
  color: var(--blue)
}

@media(max-width:680px) {
  .product-body .price {
    font-size: 23px
  }

  .product-body h3 {
    min-height: 0;
    margin-bottom: 5px
  }
}

/* Cardboard filters: dimensions, expanded thickness and model. */
.cardboard-sticker .coarse-spec:first-child {
  grid-column: 1/-1
}

.cardboard-sticker {
  grid-template-columns: 1.45fr 1fr;
  row-gap: 2cqw
}

.cardboard-sticker .coarse-spec:nth-child(2) .coarse-label {
  max-width: 14em
}

.coarse-artwork.cardboard-artwork .coarse-image,
.coarse-artwork.cardboard-artwork .gallery-main {
  height: 76%;
  top: -3%;
  object-fit: contain
}

/* Paper-filter label and enlarged source photo, without cutting the product. */
.coarse-artwork.paper-artwork .coarse-image,
.coarse-artwork.paper-artwork .gallery-main {
  height: 78%;
  top: -3%;
  object-fit: cover;
  padding: 0;
  border: 0
}

.paper-sticker {
  grid-template-columns: 1.2fr 1fr;
  align-items: center
}

.paper-sticker .coarse-label {
  font-size: clamp(9px, 2.7cqw, 15px)
}

.contacts-lead {
  max-width: 820px;
  font-size: 19px;
  line-height: 1.65;
  color: var(--gray)
}

.contacts-direct {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 32px;
  padding: 24px 0 30px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px
}

.contacts-direct a {
  font-size: 23px;
  font-weight: 600
}

.contacts-direct span {
  flex-basis: 100%;
  color: var(--gray);
  font-size: 14px
}

.warehouse-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 22px 0 28px
}

.location-card {
  padding: 28px;
  background: #f7faff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan)
}

.location-card h3 {
  font-size: 22px;
  line-height: 1.3;
  margin: 12px 0 20px
}

.contacts-page address {
  font-style: normal;
  font-size: 18px;
  line-height: 1.7
}

.location-card p,
.office-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7
}

.office-card {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 30px;
  align-items: center;
  border: 1px solid var(--line);
  padding: 28px
}

.office-card h2 {
  margin: 0 0 14px
}

.delivery-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  max-width: 900px;
  margin: 24px 0 36px
}

.contacts-company {
  border-top: 1px solid var(--line);
  padding-top: 24px
}

.contacts-company p {
  font-size: 14px;
  color: var(--gray)
}

@media(max-width:680px) {

  .warehouse-grid,
  .office-card {
    grid-template-columns: 1fr;
    gap: 18px
  }

  .location-card,
  .office-card {
    padding: 22px
  }

  .contacts-direct a {
    font-size: 21px
  }

  .contacts-lead {
    font-size: 16px
  }

  .contacts-page address {
    font-size: 16px
  }
}

/* Pocket: full-width roll photos and three specification fields. */
.coarse-artwork.pocket-artwork {
  aspect-ratio: 4/5
}

.coarse-artwork.pocket-artwork .coarse-image,
.coarse-artwork.pocket-artwork .gallery-main {
  height: 80%;
  top: -4%;
  width: 100%;
  object-fit: contain;
  padding: 0 2px;
  border: 0
}

.pocket-sticker {
  grid-template-columns: 1.15fr 1fr
}

.pocket-sticker .coarse-spec:first-child {
  grid-column: 1/-1
}

.pocket-sticker .coarse-value {
  font-size: clamp(12px, 4cqw, 24px)
}

.product-photo.coarse-photo:has(.pocket-artwork) {
  aspect-ratio: 4/5
}

/* Ceiling filters: shared macro photo and optional FR marking. */
.coarse-artwork.ceiling-artwork .coarse-image,
.coarse-artwork.ceiling-artwork .gallery-main {
  height: 84%;
  top: -2%;
  object-fit: cover;
  padding: 0;
  border: 0
}

.ceiling-sticker {
  grid-template-columns: 1.2fr 1fr;
  align-items: center
}

.fire-badge {
  position: absolute;
  left: 3cqw;
  top: 3cqw;
  display: flex;
  align-items: center;
  gap: 2cqw;
  padding: 2cqw 3cqw;
  background: #fff;
  border: 1px solid #c4d5e5;
  border-radius: 3cqw;
  box-shadow: 0 1cqw 4cqw #244f9114;
  color: #244f91;
  font-size: clamp(13px, 4cqw, 24px);
  font-weight: 700;
  line-height: 1.1
}

.fire-badge svg {
  width: 9cqw;
  height: 9cqw;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round
}

.fire-badge .fire-slash-halo {
  stroke: white;
  stroke-width: 5
}

.fire-badge>span>span {
  display: block;
  font-size: clamp(9px, 2.5cqw, 14px);
  font-weight: 500;
  margin-top: 1cqw
}

.fire-badge[hidden] {
  display: none
}

/* Ordering guide */
.order-page {
  padding-bottom: 60px
}

.order-intro {
  max-width: 850px;
  margin-bottom: 38px
}

.order-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue)
}

.order-intro h1 {
  margin: 8px 0 16px
}

.order-intro>p {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.65
}

.order-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px
}

.order-highlights span {
  padding: 9px 14px;
  background: #eaf6fc;
  border-radius: 6px;
  color: var(--nav);
  font-weight: 700
}

.order-page section {
  margin-top: 38px
}

.order-page h2 {
  font-size: 25px;
  margin-bottom: 20px
}

.order-page h3 {
  font-size: 19px;
  color: var(--nav);
  margin: 12px 0
}

.order-page p {
  line-height: 1.65
}

.order-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px
}

.order-steps article {
  border-top: 3px solid var(--cyan);
  padding-top: 16px
}

.order-steps b {
  font-size: 28px;
  color: var(--blue)
}

.order-steps p {
  color: var(--gray)
}

.order-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px
}

.order-panel {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff
}

.order-tag {
  display: inline-block;
  color: var(--blue);
  background: #eaf6fc;
  padding: 5px 9px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700
}

.order-docs {
  background: var(--bg);
  border-radius: 10px;
  padding: 28px
}

.order-docs h2 {
  margin-top: 0
}

.order-contact {
  display: flex;
  align-items: center;
  gap: 30px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 22px
}

.order-contact>div {
  max-width: 760px
}

.order-contact .btn {
  flex-shrink: 0
}

.order-contact-links {
  display: flex;
  gap: 12px 26px;
  flex-wrap: wrap;
  font-weight: 700;
  font-size: 18px
}

@media(max-width:960px) {
  .order-steps {
    grid-template-columns: 1fr 1fr
  }

  .order-contact {
    align-items: flex-start;
    flex-direction: column
  }
}

@media(max-width:600px) {

  .order-pair,
  .order-steps {
    grid-template-columns: 1fr
  }

  .order-intro>p {
    font-size: 16px
  }

  .order-page section {
    margin-top: 30px
  }

  .order-panel,
  .order-docs {
    padding: 20px
  }

  .order-page h2 {
    font-size: 23px
  }
}

.description.description-formatted {
  white-space: normal;
  line-height: 1.75;
  font-size: 14px
}

.description-formatted section+section {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line)
}

.description-formatted h3 {
  margin: 0 0 12px;
  color: var(--nav);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4
}

.description-formatted p {
  margin: 0 0 12px
}

.description-formatted p:last-child {
  margin-bottom: 0
}

.description-formatted ul {
  margin: 12px 0 0;
  padding-left: 22px
}

.description-formatted li {
  padding-left: 4px;
  margin: 8px 0
}

.description-formatted li::marker {
  color: var(--cyan)
}

.product-sku {
  font-size: 11px;
  color: var(--gray);
  line-height: 1.4;
  overflow-wrap: anywhere;
  margin: 0 0 8px
}

.summary p.product-sku {
  margin: 0 0 8px
}

.product-body .price {
  margin-bottom: 3px
}

.price-note {
  font-size: 10px;
  color: var(--gray);
  margin-bottom: 12px
}

.product-body h3 {
  margin-bottom: 4px
}

.legal-page {
  max-width: 900px
}

.legal-page section {
  margin-top: 30px
}

.legal-page h2 {
  font-size: 22px;
  line-height: 1.35
}

.legal-page p,
.legal-page li {
  line-height: 1.75
}

.legal-page li {
  margin-bottom: 12px
}

.btn:disabled {
  opacity: .55;
  cursor: not-allowed
}

body.admin-bar header {
  top: 32px
}

.filtek-notice {
  padding: 24px;
  background: #eef5ff
}

.side-link {
  text-decoration: none
}