:root {
  --ink: #151513;
  --muted: #6f7069;
  --line: #dedfd8;
  --paper: #ffffff;
  --wash: #f4f5f0;
  --soft: #eef2ef;
  --accent: #28666e;
  --accent-2: #b84a36;
  --night: #101414;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }
img { display: block; }
h1, h2, h3, p, figure { margin-top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 0 36px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.brand span { color: var(--accent); }

.site-header nav {
  display: flex;
  justify-content: flex-end;
  gap: 2px;
  overflow-x: auto;
}

.nav-link,
.load-more,
.primary-action,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 14px;
  white-space: nowrap;
}

.nav-link { color: var(--muted); }
.nav-link:hover, .nav-link.is-active { color: var(--ink); background: var(--wash); }

.section-hero {
  min-height: calc(100svh - 72px);
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  border-bottom: 1px solid var(--line);
}

.hero-title {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 54px 36px;
  background: var(--night);
  color: #fff;
}

.hero-title span,
.catalog-hero span,
.toolbar-kicker,
.eyebrow,
label,
.filter-head span,
.price-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title h1 {
  margin: 12px 0 0;
  max-width: 520px;
  font-size: clamp(54px, 8vw, 118px);
  line-height: 0.88;
  font-weight: 500;
}

.section-panels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, minmax(240px, 1fr));
}

.section-panel {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: 28px;
  overflow: hidden;
  border-left: 1px solid rgba(255,255,255,0.28);
  border-bottom: 1px solid rgba(255,255,255,0.28);
  color: #fff;
  background: #303737;
}

.section-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, rgba(0,0,0,0.08), rgba(0,0,0,0.58)), var(--tile-image);
  background-position: center;
  background-size: cover;
  transition: transform 260ms ease;
}

.section-panel:hover::before { transform: scale(1.045); }
.section-panel > * { position: relative; z-index: 1; }
.section-panel span { font-size: 13px; color: rgba(255,255,255,0.76); }
.section-panel strong { max-width: 260px; font-size: clamp(28px, 3.4vw, 54px); line-height: 0.95; font-weight: 500; }
.section-panel small { font-size: 14px; color: rgba(255,255,255,0.78); }
.section-indoor { grid-column: span 2; grid-row: span 2; }
.section-outdoor { grid-column: span 2; }
.section-technical { grid-column: span 1; }
.section-accessories { grid-column: span 1; }
.section-technical,
.section-accessories {
  padding: 22px;
}
.section-technical strong,
.section-accessories strong {
  font-size: 30px;
  line-height: 1;
}

.stock-notice {
  padding: 24px 36px 28px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.stock-notice span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stock-notice p {
  max-width: 980px;
  margin: 0;
  color: #3f4642;
  font-size: 18px;
  line-height: 1.45;
}

.stock-notice a {
  color: #283c37;
  font-weight: 700;
  border-bottom: 1px solid currentColor;
}

.catalog-hero {
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  padding: 48px 36px;
  border-bottom: 1px solid var(--line);
  background: var(--soft);
  background-image: linear-gradient(90deg, rgba(244,245,240,0.98) 0%, rgba(244,245,240,0.82) 44%, rgba(244,245,240,0.05) 100%), var(--hero-image);
  background-position: center right;
  background-size: auto 96%;
  background-repeat: no-repeat;
}

.catalog-hero h1 {
  margin: 12px 0 12px;
  max-width: 760px;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.92;
  font-weight: 500;
}

.catalog-hero p {
  max-width: 560px;
  color: #3f4642;
  font-size: 18px;
  line-height: 1.5;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 34px;
  padding: 34px 36px 72px;
  scroll-margin-top: 86px;
}

.filters {
  position: sticky;
  top: 96px;
  align-self: start;
  display: grid;
  gap: 14px;
  padding-right: 8px;
}

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

.icon-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 22px;
}

.filter-block { display: grid; gap: 8px; }
.filter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { display: block; color: var(--muted); }

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  font-size: 14px;
}

input:focus,
select:focus {
  outline: 2px solid rgba(40, 102, 110, 0.22);
  border-color: var(--accent);
}

.catalog-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.catalog-toolbar h2 {
  margin: 6px 0 0;
  font-size: 34px;
  line-height: 1;
  font-weight: 500;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

#resultCount {
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 22px;
}

.product-card {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.product-card:hover .product-image img { transform: scale(1.04); }

.product-image {
  position: relative;
  margin: 0;
  aspect-ratio: 1 / 1.12;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 7%;
  transition: transform 240ms ease;
}

.status-chip,
.stock-note {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 5px 8px;
  border-radius: 6px;
  background: rgba(255,255,255,0.9);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.stock-note {
  background: rgba(255,255,255,0.94);
  color: var(--accent);
}

.product-meta { display: grid; gap: 6px; }
.product-kicker, .product-line, .variant-note { color: var(--muted); font-size: 13px; line-height: 1.35; }
.product-meta h3 { min-height: 44px; margin: 0; font-size: 16px; line-height: 1.35; font-weight: 500; }
.product-footer { display: flex; justify-content: space-between; gap: 12px; font-size: 15px; font-weight: 700; }
.variant-note { font-weight: 400; white-space: nowrap; }

.load-more {
  margin: 34px auto 0;
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.load-more[hidden] { display: none; }

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.pagination[hidden] { display: none; }

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
}

.pagination-link:hover,
.pagination-link.is-current {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.pagination-edge {
  min-width: 82px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding: 40px 36px;
  background: var(--night);
  color: #fff;
}

.site-footer p { max-width: 560px; color: #c8d0cc; line-height: 1.5; }
.site-footer div:last-child { display: grid; gap: 8px; color: #dce2df; text-align: right; }

.breadcrumbs,
.product-page {
  max-width: 1540px;
  margin: 0 auto;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px 36px 0;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs a:hover { color: var(--ink); }
.product-page { padding-bottom: 76px; }

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: 56px;
  padding: 32px 36px 58px;
}

.product-gallery { display: grid; gap: 16px; }

.product-main-image {
  display: grid;
  place-items: center;
  min-height: 590px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  max-height: 720px;
  object-fit: contain;
  padding: 4%;
}

.thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(74px, 1fr));
  gap: 10px;
}

.thumb {
  aspect-ratio: 1;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  cursor: pointer;
}

.thumb.is-active { border-color: var(--ink); }
.thumb img { width: 100%; height: 100%; object-fit: contain; }

.product-info { align-self: center; }
.product-info h1 { margin-bottom: 16px; font-size: clamp(38px, 4.4vw, 70px); line-height: 0.98; font-weight: 500; }
.article-line { color: var(--muted); }
.product-description { color: #333936; font-size: 17px; line-height: 1.62; }
.price-label { margin-top: 28px; color: var(--muted); }
.price-line { margin: 5px 0 24px; font-size: 32px; font-weight: 800; }
.product-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: var(--muted);
  font-size: 14px;
}
.product-contact strong {
  width: 100%;
  color: var(--ink);
}

.product-section { padding: 0 36px 46px; }
.product-section h2 { margin-bottom: 18px; font-size: 30px; font-weight: 500; }

.spec-list {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) 1fr;
  border-top: 1px solid var(--line);
}

.spec-list dt,
.spec-list dd {
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.45;
}

.spec-list dt { color: var(--muted); padding-right: 24px; }
.muted-text { color: var(--muted); }

.variant-table-wrap { overflow-x: auto; border-top: 1px solid var(--line); }
.variant-table { width: 100%; min-width: 820px; border-collapse: collapse; }
.variant-table th, .variant-table td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.variant-table th { color: var(--muted); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }

.empty-state {
  grid-column: 1 / -1;
  padding: 70px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 1180px) {
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .section-hero { grid-template-columns: 1fr; }
  .hero-title { min-height: 300px; }
  .section-panels { grid-template-rows: repeat(2, minmax(210px, 1fr)); }
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr; gap: 8px; padding: 14px 18px; }
  .site-header nav { justify-content: flex-start; }
  .section-hero { min-height: auto; }
  .hero-title { min-height: 260px; padding: 34px 18px; }
  .hero-title h1 { font-size: 58px; }
  .section-panels { grid-template-columns: 1fr; grid-template-rows: none; }
  .section-panel, .section-indoor, .section-outdoor, .section-technical, .section-accessories, .section-bulbs {
    grid-column: auto;
    grid-row: auto;
    min-height: 210px;
    padding: 24px 18px;
  }
  .stock-notice { padding: 22px 18px 24px; }
  .stock-notice p { font-size: 16px; }
  .catalog-hero { min-height: 310px; padding: 38px 18px; background-size: auto 80%; }
  .catalog-layout { grid-template-columns: 1fr; padding: 28px 18px 58px; }
  .filters { position: static; padding-right: 0; }
  .catalog-toolbar { align-items: start; flex-direction: column; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; }
  .product-meta h3 { min-height: auto; }
  .product-hero { grid-template-columns: 1fr; gap: 28px; padding: 28px 18px 48px; }
  .breadcrumbs, .product-section { padding-left: 18px; padding-right: 18px; }
  .product-main-image { min-height: 380px; }
  .site-footer { grid-template-columns: 1fr; padding: 34px 18px; }
  .site-footer div:last-child { text-align: left; }
  .pagination {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .pagination-link { flex: 0 0 auto; }
}

@media (max-width: 560px) {
  .site-header nav { flex-wrap: wrap; overflow-x: visible; row-gap: 6px; }
  .nav-link, .load-more, .primary-action, .pagination-link { min-height: 36px; padding: 0 10px; font-size: 13px; }
  .hero-title h1 { font-size: 48px; }
  .section-panel strong { font-size: 34px; }
  .catalog-hero h1 { font-size: 46px; }
  .filter-grid, .toolbar-actions { grid-template-columns: 1fr; width: 100%; flex-direction: column; align-items: stretch; }
  .product-grid { grid-template-columns: 1fr; }
  .spec-list { grid-template-columns: 1fr; }
  .spec-list dt { padding-bottom: 4px; border-bottom: 0; }
  .spec-list dd { padding-top: 0; }
}