:root {
  --ink: #172126;
  --muted: #607078;
  --paper: #f7f9fa;
  --surface: #ffffff;
  --panel: #edf2f4;
  --line: #d9e1e5;
  --accent: #146c78;
  --accent-dark: #0f505a;
  --accent-soft: #dff0f2;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
p { color: var(--muted); line-height: 1.65; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  margin-top: 20px;
  padding: 13px 18px;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}
.button:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.button.ghost { color: var(--accent-dark); background: transparent; border-color: var(--line); }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 15px clamp(18px, 5vw, 72px);
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand {
  font-size: 1.04rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.nav nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: #334248;
  font-size: .92rem;
}
.nav nav a { text-decoration: none; }
.nav nav a:hover { color: var(--accent); }
.language-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.language-switcher button {
  min-width: 38px;
  min-height: 32px;
  padding: 7px 10px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: .72rem;
  font-weight: 900;
  cursor: pointer;
}
.language-switcher button:hover,
.language-switcher button.is-active {
  color: #fff;
  background: var(--accent);
}

.hero, .product-intro, .families, .resources, .samples, .product-hero,
.product-lines, .gallery-hero, .gallery-section-intro, .gallery-grid-page,
.resource-hero, .process, .download-panel, .company-hero, .company-info {
  padding: clamp(54px, 8vw, 108px) clamp(18px, 5vw, 72px);
}

.hero {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 820px;
  overflow: hidden;
  background: #112a32;
}
.hero h1, h2, .product-hero h1, .gallery-hero h1, .resource-hero h1, .company-hero h1 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.02;
}
.hero h1 {
  max-width: 900px;
  font-size: clamp(3rem, 7vw, 7.2rem);
  font-weight: 900;
}
.hero p { max-width: 650px; }
.hero-image,
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .48;
}
.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 980px;
  padding: clamp(48px, 8vw, 110px) clamp(18px, 5vw, 72px);
  color: #fff;
}
.hero-copy p { color: #dce8eb; }
.hero-media {
  display: grid;
  grid-template-columns: 1fr .72fr;
  gap: 14px;
  align-items: end;
}
.hero-media img {
  width: 100%;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 28px 70px rgba(28,49,57,.12);
}
.hero-media img:first-child { aspect-ratio: 4 / 3; }
.hero-media img:last-child { aspect-ratio: 3 / 4; margin-bottom: 42px; }

.section-head {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(380px, 1.2fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}
.section-head h2, .product-intro h2, .resources h2, .samples h2,
.product-hero h1, .gallery-hero h1, .gallery-section-intro h2,
.resource-hero h1, .company-hero h1, .company-card h2 {
  font-size: clamp(2.1rem, 5vw, 5rem);
  font-weight: 850;
}
.product-intro {
  display: grid;
  grid-template-columns: minmax(320px, .86fr) minmax(420px, 1.14fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  background: var(--surface);
  border-top: 1px solid var(--line);
}
.product-intro-feature {
  grid-template-columns: minmax(0, 1fr) minmax(360px, .95fr);
  align-items: center;
}
.product-intro-feature .intro-panel {
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, 1fr);
}
.product-structure-visual {
  margin: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(28,49,57,.1);
}
.product-structure-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.product-structure-visual figcaption {
  padding: 12px 14px;
  color: var(--muted);
  font-size: .86rem;
  border-top: 1px solid var(--line);
}
.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}
.intro-stats span {
  display: grid;
  gap: 5px;
  padding: 18px;
  color: var(--muted);
  background: var(--surface);
  font-size: .82rem;
}
.intro-stats strong {
  color: var(--ink);
  font-size: 1.35rem;
}
.intro-panel {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.intro-panel article, .cards article, .line-card, .company-card, .map-card, .process article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.intro-panel article { min-height: 150px; padding: 22px; }
.intro-panel strong, .intro-panel span, .cards strong, .cards span { display: block; }
.intro-panel span, .cards span { margin-top: 8px; color: var(--muted); line-height: 1.55; }

.families { background: var(--panel); }
.product-lines {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--paper);
}
.families .product-lines { padding: 0; background: transparent; }
.line-card {
  display: grid;
  min-height: 540px;
  overflow: hidden;
  text-decoration: none;
}
.line-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.line-card span, .line-card strong, .line-card p, .line-card em {
  margin-left: 22px;
  margin-right: 22px;
}
.line-card span {
  margin-top: 20px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
}
.line-card strong {
  margin-top: 8px;
  font-size: 1.75rem;
}
.line-card p { margin-top: 8px; }
.line-card em {
  margin-top: 4px;
  margin-bottom: 22px;
  color: var(--muted);
  font-style: normal;
  font-size: .88rem;
  line-height: 1.5;
}

.cards { display: grid; gap: 12px; }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards article { min-height: 170px; padding: 24px; }
.resources { background: var(--surface); }
.resource-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.resource-strip article {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 18px;
  align-items: start;
  min-height: 150px;
  padding: clamp(22px, 4vw, 36px);
}
.resource-strip article + article { border-left: 1px solid var(--line); }
.resource-strip span {
  grid-row: span 2;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
}
.resource-strip strong {
  display: block;
  color: var(--ink);
  font-size: clamp(1.35rem, 2vw, 2rem);
}
.resource-strip p {
  max-width: 520px;
  margin: 0;
}
.samples {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  background: #18333b;
}
.samples h2 { max-width: 840px; }
.samples p { color: #d8e5e8; }

.product-hero, .gallery-hero, .resource-hero, .company-hero {
  min-height: 520px;
  display: grid;
  align-content: end;
  color: #fff;
  background: linear-gradient(rgba(12,29,35,.18), rgba(12,29,35,.82)), var(--hero-image) center/cover;
}
.product-hero { --hero-image: url("assets/exhibit_funitures/furniture_photo_04.jpg"); }
body[data-family="basic"] .product-hero { --hero-image: url("assets/example-photos/PM017 PNC50_example.jpeg"); }
body[data-family="wood"] .product-hero { --hero-image: url("assets/example-photos/SPW41 SPW42_example.jpeg"); }
body[data-family="natural"] .product-hero { --hero-image: url("assets/example-photos/VM909_example.jpeg"); }
body[data-family="stone"] .product-hero { --hero-image: url("assets/example-photos/PM014_example.jpeg"); }
.gallery-hero { --hero-image: url("assets/exhibit_examples/booth_photo_05.jpg"); }
.resource-hero { --hero-image: url("assets/exhibit_installation/IMG_2249.jpeg"); }
.company-hero { --hero-image: url("assets/exhibit_examples/booth_photo_03.jpg"); }
.product-hero p, .gallery-hero p, .resource-hero p, .company-hero p { max-width: 760px; color: #e2ecef; }
.main-product-search { width: min(760px, 100%); margin-top: 30px; }
.main-product-search label {
  display: block;
  margin-bottom: 10px;
  color: #d5eef2;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.main-product-search div { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.main-product-search input, .prefix-toolbar input {
  min-width: 0;
  padding: 15px 16px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}
.main-product-search button {
  padding: 15px 18px;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}
.main-product-search p { margin: 10px 0 0; color: #dce8eb; font-size: .9rem; }
.line-card.is-hidden { display: none; }
.prefix-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.prefix-toolbar a { color: var(--accent); font-weight: 900; text-decoration: none; }
.prefix-toolbar input { width: min(520px, 100%); }
.prefix-groups { display: grid; gap: 52px; background: var(--paper); }
.prefix-section { scroll-margin-top: 110px; }
.prefix-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.prefix-head > div { width: 100%; }
.prefix-title-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; width: 100%; }
.prefix-head h2 { font-size: clamp(1.9rem, 4vw, 3.6rem); font-weight: 850; }
.prefix-intro { max-width: 920px; margin-top: 10px; color: var(--muted); font-size: clamp(.95rem, 1.4vw, 1.08rem); line-height: 1.65; }
.section-toggle {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 50%;
  font: inherit;
  font-size: 1rem;
  line-height: 1;
  font-weight: 900;
  cursor: pointer;
}
.prefix-section.is-collapsed .product-grid { display: none; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.product-card img { width: 100%; aspect-ratio: 1 / 1.18; object-fit: cover; background: #eef2f4; transition: transform .25s ease; }
.product-card:hover img { transform: scale(1.04); }
.product-card strong { display: block; padding: 14px 14px 0; color: var(--ink); }
.product-card em {
  display: inline-block;
  margin: 10px 14px 16px;
  padding: 5px 8px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: .72rem;
  font-style: normal;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.product-image-button { display: block; width: 100%; padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.no-results { color: var(--muted); }
.product-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: clamp(18px, 4vw, 48px);
  background: rgba(6,18,23,.9);
  backdrop-filter: blur(16px);
}
.product-lightbox.is-open { display: grid; }
.lightbox-stage {
  width: min(1320px, 100%);
  max-height: 92vh;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 190px;
  gap: 18px;
  align-items: center;
}
.product-lightbox figure {
  margin: 0;
  max-height: 92vh;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 14px;
}
.product-lightbox figure > img {
  justify-self: center;
  max-width: 100%;
  max-height: calc(92vh - 90px);
  object-fit: contain;
  background: #fff;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 8px;
  cursor: zoom-in;
  transition: transform .12s ease-out;
}
.product-lightbox figcaption { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; color: #fff; }
.product-lightbox figcaption span, .product-lightbox figcaption strong, .product-lightbox figcaption em, .product-lightbox figcaption small { display: block; }
.product-lightbox figcaption em, .product-lightbox figcaption small { color: #dce8eb; font-style: normal; }
.lightbox-nav { position: absolute; top: 50%; display: none; transform: translateY(-50%); padding: 13px 15px; color: #fff; background: var(--accent); border: 0; border-radius: 4px; font: inherit; font-weight: 900; cursor: pointer; }
.lightbox-side { display: grid; gap: 12px; max-height: calc(92vh - 44px); overflow: auto; }
.lightbox-left { opacity: 0; pointer-events: none; }
.product-lightbox.showing-example .lightbox-left { opacity: 1; pointer-events: auto; }
.product-lightbox.showing-example .lightbox-right { opacity: 0; pointer-events: none; }
.lightbox-thumb { display: grid; gap: 8px; padding: 8px; color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.24); border-radius: 8px; cursor: pointer; text-align: left; }
.lightbox-thumb img { width: 100%; aspect-ratio: 1 / 1.18; object-fit: cover; border-radius: 5px; }
.lightbox-thumb span { color: #dce8eb; font-size: .76rem; font-weight: 900; letter-spacing: .05em; text-transform: uppercase; }

.gallery-section-intro {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.video-library, .catalog-viewer { background: var(--surface); }
.resource-block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  max-width: 980px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.resource-block-head > span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--accent);
  border-radius: 50%;
  font-size: .78rem;
  font-weight: 900;
}
.resource-block-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
}
.resource-block-head p:not(.eyebrow) {
  max-width: 640px;
  margin: 12px 0 0;
}
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.video-grid article {
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.video-grid video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #0d1f25; border-radius: 6px; }
.video-grid strong, .video-grid span { display: block; }
.video-grid strong { margin-top: 14px; color: var(--ink); font-size: 1.12rem; }
.video-grid span { margin-top: 4px; color: var(--muted); }
.pdf-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.pdf-frame { display: block; width: 100%; height: min(82vh, 900px); min-height: 620px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.gallery-grid-page {
  display: block;
  columns: 4 240px;
  column-gap: 14px;
  background: var(--paper);
}
.gallery-item {
  position: relative;
  display: block;
  width: 100%;
  min-height: 0;
  margin: 0 0 14px;
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  break-inside: avoid;
  cursor: zoom-in;
}
.gallery-item img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #f4f7f8;
  transition: transform .25s ease;
}
.gallery-item:hover img { transform: scale(1.02); }
.gallery-item span {
  display: none;
}
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  padding: clamp(18px, 4vw, 48px);
  background: rgba(6,18,23,.9);
  backdrop-filter: blur(16px);
}
.gallery-lightbox.is-open { display: grid; }
.gallery-lightbox figure {
  margin: 0;
  width: min(1200px, 100%);
  display: grid;
  gap: 14px;
}
.gallery-lightbox img {
  justify-self: center;
  max-width: 100%;
  max-height: calc(92vh - 70px);
  object-fit: contain;
  border-radius: 8px;
}
.gallery-lightbox figcaption { color: #fff; font-weight: 800; }
body.lightbox-open { overflow: hidden; }

.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  background: var(--surface);
}
.process article { overflow: hidden; }
.process img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.process div { padding: 22px; }
.process strong { display: block; font-size: 1.2rem; }
.download-panel {
  display: grid;
  grid-template-columns: minmax(320px, .9fr) minmax(320px, 1.1fr);
  gap: 24px;
  align-items: center;
  background: var(--panel);
}
.download-panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.company-info {
  display: grid;
  grid-template-columns: minmax(320px, .72fr) minmax(420px, 1.28fr);
  gap: clamp(24px, 5vw, 72px);
  background: var(--paper);
}
.company-card { padding: clamp(24px, 4vw, 44px); }
.company-card dl { display: grid; gap: 18px; margin: 30px 0 0; }
.company-card dl div { padding-top: 18px; border-top: 1px solid var(--line); }
.company-card dt {
  color: var(--accent);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.company-card dd { margin: 6px 0 0; line-height: 1.5; }
.map-card {
  min-height: 620px;
  overflow: hidden;
}
.map-card img { width: 100%; height: 100%; object-fit: cover; }
.map-card iframe { width: 100%; height: 100%; min-height: 620px; border: 0; filter: grayscale(.08) contrast(.98); }

@media (max-width: 940px) {
  .nav, .samples { align-items: flex-start; flex-direction: column; }
  .language-switcher { border-radius: 8px; }
  .hero, .product-intro, .section-head, .download-panel, .company-info { grid-template-columns: 1fr; }
  .hero { min-height: 620px; }
  .hero-media { grid-template-columns: 1fr; }
  .hero-media img:last-child { margin-bottom: 0; aspect-ratio: 16 / 10; }
  .intro-panel, .product-intro-feature .intro-panel, .cards.four, .cards.three, .cards.two, .process { grid-template-columns: 1fr; }
  .resource-strip { grid-template-columns: 1fr; }
  .resource-strip article + article { border-left: 0; border-top: 1px solid var(--line); }
  .product-lines, .product-grid, .video-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid-page { columns: 2 220px; }
}

@media (max-width: 620px) {
  .gallery-grid-page { columns: 1; }
  .intro-stats { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2.55rem, 16vw, 4.2rem); }
  .product-lines, .product-grid, .video-grid { grid-template-columns: 1fr; }
  .main-product-search div { grid-template-columns: 1fr; }
  .prefix-toolbar { align-items: flex-start; flex-direction: column; }
}