:root {
  color-scheme: dark;
  --bg: #090b0f;
  --bg-2: #11151b;
  --surface: rgba(255,255,255,.07);
  --surface-2: rgba(255,255,255,.11);
  --card: #f7f8fa;
  --card-text: #14171c;
  --text: #f6f3ed;
  --muted: rgba(246,243,237,.68);
  --muted-dark: #66707f;
  --line: rgba(255,255,255,.14);
  --line-dark: #d9dee6;
  --red: #e13b34;
  --red-dark: #b92520;
  --orange: #f09135;
  --green: #57d68d;
  --blue: #69a7ff;
  --radius: 8px;
  --max: 1460px;
  --shadow: 0 24px 70px rgba(0,0,0,.28);
  --scroll: 0;
  --font: Inter, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 118px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(225,59,52,.2), transparent 32vw),
    radial-gradient(circle at 90% 12%, rgba(105,167,255,.14), transparent 32vw),
    linear-gradient(180deg, #07080b 0%, var(--bg) 42%, #11151b 100%);
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(8,10,13,.72);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}

.header-top {
  width: min(var(--max), calc(100% - 32px));
  min-height: 34px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.header-top a {
  text-decoration: none;
  color: var(--text);
  font-weight: 720;
}

.header-inner {
  width: min(var(--max), calc(100% - 32px));
  min-height: 66px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.site-logo-img,
.competence-logo-img {
  display: block;
  width: auto;
  object-fit: contain;
}

.site-logo-img {
  height: 30px;
  max-width: 132px;
}

.competence-logo-img {
  height: 42px;
  max-width: 160px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.top-nav a {
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
}

.top-nav a:hover { background: rgba(255,255,255,.08); color: var(--text); }

.b2b-link {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 760;
}

.cart-button,
.primary,
.secondary,
.load-more,
.text-button,
.text-link,
.icon-button {
  border-radius: var(--radius);
  border: 0;
  min-height: 44px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 780;
  text-decoration: none;
}

.primary { background: var(--red); color: #fff; }
.primary:hover { background: var(--red-dark); }
.secondary, .load-more { background: rgba(255,255,255,.08); border: 1px solid var(--line); color: var(--text); }
.ghost-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 2px;
  color: var(--muted);
  font-weight: 760;
  text-decoration: none;
}

.ghost-link:hover { color: var(--text); }

.text-button { min-height: 34px; padding: 0; background: transparent; color: #ff8a82; }
.text-link {
  min-height: 28px;
  justify-content: flex-start;
  padding: 0;
  background: transparent;
  color: #1d5fbf;
  font-size: 14px;
}
.icon-button { width: 42px; padding: 0; background: rgba(255,255,255,.1); color: var(--text); font-size: 24px; }
.full { width: 100%; }

.cart-button {
  background: var(--text);
  color: #101114;
}

.cart-button span {
  min-width: 24px;
  height: 24px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--red);
  color: white;
  font-size: 12px;
}

.hero {
  width: min(var(--max), calc(100% - 32px));
  min-height: calc(100vh - 100px);
  margin: 0 auto;
  padding: 66px 0 54px;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(420px, .72fr);
  gap: clamp(30px, 5vw, 86px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .1em;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 22px;
  max-width: 900px;
  font-size: clamp(48px, 6.4vw, 94px);
  line-height: .94;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 62px);
  line-height: 1;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-search {
  margin-top: 26px;
  display: grid;
  gap: 8px;
  max-width: 610px;
}

.quick-contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 760;
}

.quick-contacts a {
  color: var(--text);
  text-decoration: none;
}

.quick-contacts a:hover { color: #ffb1ac; }

.hero-search span,
.field span,
.check span,
.order-form span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

input, select, textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 6px;
  background: rgba(255,255,255,.08);
  color: var(--text);
  min-height: 44px;
  padding: 10px 12px;
  outline: none;
}

select option { color: #14171c; }
input::placeholder, textarea::placeholder { color: rgba(246,243,237,.45); }
input:focus, select:focus, textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(225,59,52,.18);
}

.mobile-contact-bar {
  display: none;
}

.hero-visual {
  position: relative;
  min-height: 620px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(circle at 62% 22%, rgba(225,59,52,.24), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
  transform: translate3d(0, calc(var(--scroll) * 26px), 0);
}

.hero-visual canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-visual-clean {
  background:
    radial-gradient(circle at 50% 36%, rgba(225,59,52,.18), transparent 24%),
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.022));
}

.hero-equipment {
  position: absolute;
  right: 22px;
  top: 22px;
  width: min(34%, 230px);
  opacity: .96;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 28px 70px rgba(0,0,0,.34);
  transform: translate3d(0, calc(var(--scroll) * -26px), 0);
}

.hero-brand-logo {
  left: 42px;
  right: 42px;
  top: 50%;
  width: auto;
  padding: 22px 28px;
  background: rgba(255,255,255,.96);
  transform: translate3d(0, calc(-50% + var(--scroll) * -18px), 0);
}

.hero-equipment img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.brand-story,
.systems,
.catalog-intro,
.catalog-shell,
.selection,
.contacts,
.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.brand-story {
  display: grid;
  grid-template-columns: minmax(0, .58fr) minmax(320px, .42fr);
  gap: 32px;
  align-items: start;
  padding: 0 0 76px;
}

.brand-story p:last-child {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
  margin: 0;
}

.systems { padding: 22px 0 86px; }
.section-head {
  max-width: 900px;
  margin-bottom: 28px;
  text-align: left;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.systems-grid article {
  min-height: 430px;
  display: grid;
  grid-template-rows: 230px auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,.07);
}

.systems-grid img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.systems-grid h3,
.systems-grid p {
  margin-left: 22px;
  margin-right: 22px;
}

.systems-grid h3 { margin-top: 22px; margin-bottom: 10px; }
.systems-grid p { color: var(--muted); line-height: 1.5; }

.catalog-intro {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(320px, .38fr);
  gap: 28px;
  align-items: end;
  padding: 0 0 24px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
}

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

.breadcrumbs span::before {
  content: "/";
  margin-right: 8px;
  color: rgba(246,243,237,.34);
}

.catalog-intro p:last-child {
  color: var(--muted);
  line-height: 1.58;
  margin-bottom: 0;
}

.catalog-shell {
  padding: 0 0 86px;
  display: grid;
  grid-template-columns: 316px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.filters {
  position: sticky;
  top: 116px;
  max-height: calc(100vh - 132px);
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.075);
  padding: 16px;
  backdrop-filter: blur(18px);
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
}

.filters:hover,
.filters:focus-within {
  scrollbar-color: rgba(225,59,52,.8) rgba(255,255,255,.08);
}

.filters::-webkit-scrollbar {
  width: 8px;
}

.filters::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 999px;
}

.filters::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: transparent;
}

.filters:hover::-webkit-scrollbar-track,
.filters:focus-within::-webkit-scrollbar-track {
  background: rgba(255,255,255,.08);
}

.filters:hover::-webkit-scrollbar-thumb,
.filters:focus-within::-webkit-scrollbar-thumb {
  background: rgba(225,59,52,.75);
}

.filters-head,
.results-toolbar,
.cart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.filters-head {
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.filters h2,
.results-toolbar h2,
.cart-head h2 { margin: 0; }

.filters h2 {
  font-size: 20px;
  line-height: 1.1;
}

.filters-head .text-button {
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 13px;
}

.field {
  display: grid;
  gap: 7px;
  margin-top: 12px;
}

.range-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.compact-range { margin-top: 2px; }

.filter-group {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.1);
}

.filter-group h3 {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.2;
}

.advanced-filters {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.advanced-filter,
.switch-filter {
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  background: rgba(255,255,255,.055);
  padding: 10px;
}

.range-filter {
  display: grid;
  gap: 8px;
}

.range-filter-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.range-filter-head span,
.segmented-filter > span,
.switch-filter span:last-child {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  line-height: 1.25;
}

.range-filter output {
  flex: 0 0 auto;
  color: var(--text);
  font-size: 12px;
  font-weight: 760;
}

.range-filter input[type="range"] {
  min-height: 22px;
  padding: 0;
  border: 0;
  accent-color: var(--red);
  background: transparent;
}

.segmented-filter {
  display: grid;
  gap: 7px;
}

.segmented-filter input[type="hidden"] {
  display: none;
}

.segmented-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  border-radius: 7px;
  background: rgba(0,0,0,.18);
  padding: 4px;
}

.segmented-buttons button {
  min-height: 32px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  padding: 6px 7px;
  font-size: 12px;
  font-weight: 760;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.segmented-buttons button.is-active {
  background: rgba(255,255,255,.16);
  color: var(--text);
}

.segmented-buttons button:focus-visible {
  outline: 2px solid rgba(225,59,52,.65);
  outline-offset: 2px;
}

.switch-filter {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.switch-filter input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch-track {
  position: relative;
  width: 34px;
  height: 20px;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
  transition: background .18s ease;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  transition: transform .18s ease;
}

.switch-filter input:checked + .switch-track {
  background: var(--red);
}

.switch-filter input:checked + .switch-track::after {
  transform: translateX(14px);
}

.switch-filter input:focus-visible + .switch-track {
  box-shadow: 0 0 0 3px rgba(225,59,52,.25);
}

.check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.check input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  accent-color: var(--red);
}

.results { min-width: 0; }

.results-toolbar {
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.075);
  padding: 16px 18px;
}

.muted {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.toolbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.toolbar-actions select { width: 240px; }

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 32px;
  margin: 14px 0;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: var(--muted);
  padding: 7px 10px;
  font-size: 13px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  min-width: 0;
  display: grid;
  grid-template-rows: 238px auto;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--card-text);
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(0,0,0,.18);
}

.product-image {
  background: #fff;
  display: grid;
  place-items: center;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  text-decoration: none;
}

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

.product-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sku {
  color: var(--red);
  font-weight: 850;
  font-size: 13px;
  line-height: 1.25;
}

.product-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.24;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  border-radius: 999px;
  background: #e9edf2;
  color: #39414d;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 740;
  line-height: 1.2;
}

.spec-mini {
  display: grid;
  gap: 8px;
  color: var(--muted-dark);
  font-size: 13px;
  line-height: 1.46;
}

.spec-mini b { color: var(--card-text); }

.price,
.detail-price {
  color: var(--red);
  font-size: 15px;
  font-weight: 850;
  line-height: 1.25;
}

.detail-price {
  margin: 0 0 22px;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.product-card .secondary {
  color: var(--card-text);
  background: #fff;
  border-color: var(--line-dark);
}

.empty-state {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.07);
  padding: 38px;
  text-align: center;
}

.load-more { width: 100%; margin-top: 16px; }

.selection {
  margin-bottom: 72px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(110deg, rgba(225,59,52,.22), rgba(105,167,255,.12)),
    rgba(255,255,255,.065);
}

.selection h2 { max-width: 840px; }

.selection-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  overflow: hidden;
}

.selection-grid article {
  min-height: 170px;
  padding: 22px;
  background: #171b22;
}

.selection-grid p { margin-bottom: 0; color: var(--muted); line-height: 1.5; }

.project-card {
  display: grid;
  align-content: start;
  gap: 12px;
}

.project-card .secondary {
  width: fit-content;
}

.contacts {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(320px, .38fr);
  gap: 28px;
  align-items: start;
  padding: 0 0 86px;
}

.contacts p {
  max-width: 740px;
  color: var(--muted);
  line-height: 1.58;
}

.contact-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: rgba(255,255,255,.075);
}

.contact-card a {
  color: var(--text);
  font-size: 18px;
  font-weight: 780;
}

.contact-card span {
  color: var(--muted);
  line-height: 1.45;
}

.cart-drawer {
  position: fixed;
  z-index: 70;
  inset: 0 0 0 auto;
  width: min(460px, 100%);
  background: #11151b;
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 20px;
  transform: translateX(102%);
  transition: transform .25s ease;
  overflow: auto;
}

.cart-drawer.is-open { transform: translateX(0); }

.cart-items { display: grid; gap: 10px; margin: 18px 0 24px; }

.cart-line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255,255,255,.06);
}

.cart-line h4 { margin: 0 0 6px; font-size: 15px; }

.qty { display: flex; align-items: center; gap: 8px; }
.qty button {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,.1);
  color: var(--text);
}

.order-form {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: grid;
  gap: 12px;
}

.order-form label { display: grid; gap: 7px; }
.consent-check {
  display: flex !important;
  align-items: flex-start;
}
.project-link {
  color: var(--text);
  font-size: 14px;
  font-weight: 760;
  text-align: center;
}
.form-note { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.35; }

.product-page {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--card-text);
  padding: 28px;
  box-shadow: 0 18px 54px rgba(0,0,0,.2);
}

.product-page .breadcrumbs {
  color: var(--muted-dark);
}

.product-page .breadcrumbs a {
  color: #1d5fbf;
}

.product-page .breadcrumbs span::before {
  color: #a5adba;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(0, 1fr);
  gap: 32px;
}

.detail-gallery {
  display: grid;
  gap: 8px;
  align-content: start;
  align-self: start;
}
.main-photo {
  aspect-ratio: 1 / 1;
  min-height: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: #fff;
  padding: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.main-photo img { width: 100%; height: 100%; object-fit: contain; cursor: zoom-in; }
.thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.thumbs button { aspect-ratio: 1 / 1; border: 1px solid var(--line-dark); border-radius: 6px; background: #fff; padding: 0; overflow: hidden; }
.thumbs button.is-active { border-color: var(--red); box-shadow: 0 0 0 2px rgba(225,59,52,.18); }
.thumbs img { width: 100%; height: 100%; object-fit: contain; }

.detail-info h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.06;
  margin-bottom: 16px;
}

.detail-info p { color: var(--muted-dark); line-height: 1.62; margin-bottom: 18px; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 14px; }
.detail-actions .secondary { color: var(--card-text); background: #fff; border-color: var(--line-dark); }

.seo-product-page {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto 78px;
  padding-top: 112px;
}

.seo-product-hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(320px, .58fr);
  gap: 36px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.075);
  padding: clamp(24px, 3vw, 38px);
}

.seo-product-hero h1,
.seo-index-head h1 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: clamp(36px, 6vw, 76px);
  line-height: 1;
}

.seo-product-hero .lead {
  margin-bottom: 24px;
  line-height: 1.62;
}

.seo-product-hero .tags {
  margin-bottom: 26px;
}

.seo-product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.seo-gallery-button {
  display: block;
  border: 0;
  border-radius: 8px;
  background: #fff;
  padding: 0;
  overflow: hidden;
  cursor: zoom-in;
}

.seo-product-gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #fff;
}

.seo-product-section {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.075);
  padding: clamp(20px, 2.5vw, 30px);
}

.seo-product-section h2 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.06;
}

.seo-index-head {
  margin-bottom: 22px;
}

.seo-product-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.seo-product-link {
  display: grid;
  gap: 6px;
  min-height: 112px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 12px;
  text-decoration: none;
}

.seo-product-link span,
.seo-product-link em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.spec-table,
.docs-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line-dark);
}

.spec-row,
.doc-row {
  display: grid;
  grid-template-columns: minmax(180px, .42fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  background: #fff;
  color: var(--card-text);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.46;
}

.spec-row span:first-child,
.doc-row span {
  color: var(--muted-dark);
  font-weight: 740;
  line-height: 1.35;
}

.spec-row strong {
  color: var(--card-text);
  font-weight: 740;
  line-height: 1.45;
}

.doc-row a {
  color: #1d5fbf;
  font-weight: 760;
  line-height: 1.45;
  text-decoration-thickness: .08em;
  text-underline-offset: 3px;
}

.detail-section { margin-top: 28px; }
.detail-section h3 { margin-bottom: 14px; }

.image-lightbox {
  width: min(980px, calc(100% - 28px));
  height: min(820px, calc(100vh - 28px));
  border: 0;
  border-radius: var(--radius);
  padding: 56px 70px;
  background: #0b0d11;
  box-shadow: var(--shadow);
}

.image-lightbox::backdrop { background: rgba(0,0,0,.76); }
.image-lightbox img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  z-index: 2;
}

.lightbox-close { top: 14px; right: 14px; }
.lightbox-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 14px; top: 50%; transform: translateY(-50%); }

.site-footer {
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, .7fr) minmax(180px, .5fr) minmax(260px, .7fr) minmax(260px, .7fr);
  gap: 22px;
  align-items: start;
}

.footer-nav,
.footer-docs,
.footer-contacts {
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.footer-nav a,
.footer-docs a,
.footer-contacts a {
  color: var(--text);
  text-decoration: none;
  font-weight: 720;
}

.footer-docs a {
  color: var(--muted);
}

.footer-contacts span {
  line-height: 1.45;
}

.competence-logo {
  display: flex;
  align-items: center;
}

.about-hero,
.factory-section {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.about-hero {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(360px, .55fr);
  gap: 56px;
  align-items: center;
  padding: 78px 0;
}

.about-hero p,
.factory-section p {
  color: var(--muted);
  line-height: 1.6;
}

.about-visual {
  min-height: 420px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  display: grid;
  place-items: center;
}

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

.not-found-body {
  min-height: 100vh;
}

.not-found-page {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.not-found-hero {
  min-height: calc(100vh - 190px);
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(360px, .58fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: center;
  padding: 70px 0 58px;
}

.not-found-copy h1 {
  max-width: 900px;
  margin-bottom: 22px;
}

.not-found-copy .lead {
  max-width: 760px;
}

.not-found-search {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 12px;
  max-width: 760px;
  margin-top: 30px;
  align-items: end;
}

.not-found-search label {
  display: grid;
  gap: 8px;
}

.not-found-search span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.not-found-panel {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 68% 18%, rgba(225,59,52,.26), transparent 28%),
    linear-gradient(145deg, rgba(255,255,255,.1), rgba(255,255,255,.025));
  box-shadow: var(--shadow);
}

.not-found-panel::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 6px;
}

.not-found-code {
  position: absolute;
  top: 22px;
  left: 24px;
  color: rgba(246,243,237,.12);
  font-size: clamp(82px, 12vw, 168px);
  font-weight: 900;
  line-height: .8;
}

.not-found-panel img {
  position: relative;
  z-index: 1;
  width: min(74%, 390px);
  padding: 18px 22px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  background: rgba(255,255,255,.96);
  box-shadow: 0 28px 70px rgba(0,0,0,.34);
}

.not-found-lines {
  position: absolute;
  right: 22px;
  bottom: 24px;
  width: min(54%, 280px);
  display: grid;
  gap: 9px;
}

.not-found-lines span {
  height: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
}

.not-found-lines span:nth-child(2) { width: 78%; }
.not-found-lines span:nth-child(3) { width: 58%; }
.not-found-lines span:nth-child(4) { width: 38%; background: rgba(225,59,52,.72); }

.not-found-routes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 80px;
}

.not-found-routes a {
  display: grid;
  gap: 8px;
  min-height: 128px;
  align-content: end;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.075);
  color: var(--text);
  text-decoration: none;
}

.not-found-routes span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.not-found-routes strong {
  font-size: 20px;
  line-height: 1.2;
}

.factory-section {
  padding: 20px 0 86px;
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.factory-grid article {
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.07);
}

.factory-grid h3 {
  margin-bottom: 10px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 90;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  background: var(--text);
  color: #101114;
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  transition: opacity .2s ease, transform .2s ease;
}

.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1180px) {
  .hero, .brand-story, .catalog-intro, .contacts, .about-hero { grid-template-columns: 1fr; }
  .not-found-hero { grid-template-columns: 1fr; }
  .product-grid, .systems-grid, .seo-product-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalog-shell { grid-template-columns: 288px minmax(0, 1fr); }
  .selection-grid, .footer-inner, .factory-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .seo-product-hero { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  body { padding-bottom: 72px; }
  .header-top { display: none; }
  .top-nav { display: none; }
  .b2b-link { display: none; }
  .header-inner { min-height: 60px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 28px; padding-top: 34px; }
  .lead { font-size: 18px; }
  .hero-actions { margin-top: 24px; }
  .hero-actions .primary,
  .hero-actions .secondary {
    flex: 1 1 220px;
  }
  .hero-search {
    max-width: none;
    margin-top: 20px;
  }
  .hero-search input,
  .filters input,
  .filters select {
    min-height: 50px;
    font-size: 16px;
    background: rgba(8,10,13,.72);
    color: var(--text);
  }
  .quick-contacts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .hero-visual { min-height: 360px; }
  .hero-brand-logo {
    left: 24px;
    right: 24px;
    padding: 18px;
  }
  .catalog-shell { grid-template-columns: 1fr; }
  .filters {
    position: static;
    max-height: none;
    overflow-y: visible;
    background: rgba(17,21,27,.92);
  }
  .product-grid, .systems-grid, .selection-grid, .detail-grid, .factory-grid, .seo-product-links { grid-template-columns: 1fr; }
  .not-found-panel { min-height: 360px; }
  .not-found-routes { grid-template-columns: 1fr; padding-bottom: 52px; }
  .product-card { grid-template-rows: minmax(220px, auto) auto; }
  .product-body { padding: 18px; }
  .product-page { padding: 20px; }
  .detail-grid { gap: 22px; }
  .seo-product-hero { grid-template-columns: 1fr; gap: 24px; }
  .seo-product-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .results-toolbar, .toolbar-actions { align-items: stretch; flex-direction: column; }
  .toolbar-actions select { width: 100%; }
  .selection { padding: 28px; }
  .mobile-contact-bar {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    z-index: 80;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 6px;
    padding: 6px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 8px;
    background: rgba(9,11,15,.94);
    box-shadow: 0 16px 46px rgba(0,0,0,.36);
    backdrop-filter: blur(16px);
  }
  .mobile-contact-bar a,
  .mobile-contact-bar button {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 6px;
    background: rgba(255,255,255,.09);
    color: var(--text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 820;
  }
  .mobile-contact-bar button {
    background: var(--red);
    color: #fff;
  }
}

@media (max-width: 560px) {
  .header-inner { width: calc(100% - 20px); gap: 8px; }
  .site-logo-img { height: 26px; max-width: 112px; }
  .competence-logo-img { height: 36px; max-width: 144px; }
  .cart-button { min-height: 40px; padding: 0 10px; font-size: 13px; }
  .hero, .brand-story, .systems, .catalog-intro, .catalog-shell, .selection, .contacts, .site-footer, .about-hero, .factory-section, .seo-product-page { width: calc(100% - 20px); }
  .not-found-page { width: calc(100% - 20px); }
  .not-found-hero { padding: 38px 0 34px; }
  .not-found-search { grid-template-columns: 1fr; }
  .seo-product-page { padding-top: 94px; }
  .seo-product-hero, .seo-product-section { padding: 18px; }
  .seo-product-gallery { grid-template-columns: 1fr; }
  h1 { font-size: 38px; line-height: 1; }
  h2 { font-size: 30px; line-height: 1.05; }
  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .hero-actions .ghost-link {
    justify-content: center;
  }
  .hero-visual { min-height: 300px; }
  .hero-brand-logo { left: 16px; right: 16px; padding: 16px; }
  .catalog-intro { gap: 16px; }
  .results-toolbar h2 { font-size: 26px; }
  .range-fields { grid-template-columns: 1fr; }
  .card-actions { grid-template-columns: 1fr; }
  .spec-row, .doc-row { grid-template-columns: 1fr; gap: 6px; padding: 13px 14px; }
  .thumbs { grid-template-columns: repeat(4, 1fr); }
  .image-lightbox { padding: 54px 12px; }
}