:root {
  --navy: #0f172a;
  --navy-2: #111d34;
  --navy-soft: #17233b;
  --white: #ffffff;
  --gray: #f8f9fa;
  --gray-2: #eef1f4;
  --ink: #111827;
  --muted: #5f6b7a;
  --line: #e4e7eb;
  --gold: #b89768;
  --gold-2: #d4b382;
  --shadow: 0 22px 55px rgba(15, 23, 42, 0.14);
  --max: 1180px;
  font-family: Inter, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--white);
  color: var(--ink);
  margin: 0;
}

main {
  display: block;
}

main > section {
  clear: both;
  display: block;
  position: static;
  z-index: auto;
}

[hidden] {
  display: none !important;
}

body.is-product-page main > section:not(.product-detail-section),
body.is-scenario-page main > section:not(.scenario-detail-section),
body.is-content-page main > section:not(.content-topic-section) {
  display: none !important;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

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

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(228, 231, 235, 0.9);
  display: grid;
  gap: clamp(10px, 1.25vw, 18px);
  grid-template-columns: minmax(170px, 220px) minmax(0, 1fr) auto;
  min-height: 72px;
  padding: 10px clamp(16px, 2.8vw, 40px);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  align-items: center;
  background: var(--navy);
  color: var(--gold-2);
  display: inline-flex;
  font-size: 22px;
  font-weight: 900;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--navy);
  font-size: 19px;
  letter-spacing: 0;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  margin-top: 2px;
  white-space: nowrap;
}

.main-nav {
  align-items: center;
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(8px, 0.9vw, 14px);
  justify-content: center;
  min-width: 0;
}

.main-nav a {
  border-bottom: 2px solid transparent;
  color: #263244;
  font-size: clamp(11px, 0.76vw, 13px);
  font-weight: 800;
  padding: 10px 0;
  transition: border-color 180ms ease;
  white-space: nowrap;
}

.main-nav a:hover {
  border-color: var(--gold);
}

.header-actions {
  align-items: center;
  display: flex;
  gap: clamp(6px, 0.75vw, 10px);
  min-width: max-content;
}

.header-trust {
  align-items: flex-end;
  display: grid;
  gap: 2px;
  justify-items: end;
  line-height: 1.15;
}

.header-trust .trust-tag {
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
}

.header-trust a {
  color: var(--navy);
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
}

.lang-switch {
  background: var(--gray);
  border: 1px solid var(--line);
  display: inline-grid;
  grid-template-columns: repeat(3, 36px);
  min-height: 38px;
}

.lang-switch button {
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  color: #3a4556;
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
}

.lang-switch button:last-child {
  border-right: 0;
}

.lang-switch button.active {
  background: var(--navy);
  color: var(--gold-2);
}

.quote-link,
.button {
  align-items: center;
  border: 1px solid transparent;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
}

.quote-link {
  min-height: 40px;
  padding: 0 14px;
}

.quote-link,
.button.primary {
  background: var(--gold);
  color: var(--navy);
}

.nav-toggle {
  align-items: center;
  background: var(--navy);
  border: 0;
  color: var(--gold-2);
  cursor: pointer;
  display: none;
  flex-direction: column;
  gap: 5px;
  height: 42px;
  justify-content: center;
  padding: 0;
  width: 44px;
}

.nav-toggle-bar {
  background: currentColor;
  display: block;
  height: 2px;
  transition: transform 180ms ease, opacity 180ms ease;
  width: 20px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.quote-link:hover,
.button.primary:hover {
  background: var(--gold-2);
}

.button.ghost {
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--white);
}

.button.ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero {
  background:
    radial-gradient(circle at 78% 18%, rgba(184, 151, 104, 0.28), transparent 28%),
    linear-gradient(135deg, var(--navy), #0b1220 64%, #08101d);
  color: var(--white);
  min-height: auto;
  overflow: hidden;
}

.hero-media {
  display: none;
  background-position: center;
  background-size: cover;
  opacity: 0.09;
  transform: scale(1.03);
}

.hero-accent {
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  display: none;
  height: 100%;
  right: clamp(20px, 7vw, 120px);
  top: 0;
  transform: skewX(-14deg);
  width: clamp(70px, 9vw, 140px);
}

.hero-layout {
  align-items: center;
  display: grid;
  gap: clamp(34px, 5vw, 76px);
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  margin: 0 auto;
  max-width: var(--max);
  min-height: auto;
  padding: clamp(70px, 8vw, 116px) 20px;
}

.eyebrow {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 14px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(46px, 6.5vw, 86px);
  letter-spacing: 0;
  line-height: 1.03;
  margin: 0;
}

.hero-copy {
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.75;
  margin: 26px 0 0;
  max-width: 700px;
}

.hero-metrics {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.hero-metrics div {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  min-height: 118px;
  padding: 22px 18px;
}

.hero-metrics strong {
  color: var(--gold-2);
  display: block;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.72);
  display: block;
  font-size: 13px;
  line-height: 1.45;
  margin-top: 12px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(212, 179, 130, 0.34);
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 900;
  min-height: 34px;
  padding: 8px 12px;
  text-transform: uppercase;
}

.hero-product-card {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
  padding: clamp(18px, 2vw, 28px);
  position: relative;
}

.hero-ribbon {
  background: var(--navy);
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 900;
  padding: 10px 14px;
  text-transform: uppercase;
}

.hero-product-card img {
  aspect-ratio: 1.08;
  object-fit: cover;
  width: 100%;
}

.hero-collage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-height: auto;
}

.collage-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow);
  margin: 0;
  overflow: hidden;
  position: relative;
}

.collage-card img {
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
  transition: transform 380ms ease;
  width: 100%;
}

.collage-main img {
  aspect-ratio: 16 / 9;
}

.collage-card:hover img {
  transform: scale(1.05);
}

.collage-card figcaption {
  background: var(--navy);
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
  padding: 12px 14px;
  text-transform: uppercase;
}

.collage-main {
  grid-column: 1 / 3;
  margin: 0;
}

.collage-top {
  margin: 0;
}

.collage-bottom {
  margin: 0;
}

.collage-side {
  margin: 0;
}

.about-section {
  background: var(--white);
}

.about-layout {
  align-items: center;
  display: grid;
  gap: clamp(30px, 5vw, 70px);
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.95fr);
  margin: 0 auto;
  max-width: var(--max);
}

.about-copy h2 {
  color: var(--navy);
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.06;
  margin: 0;
}

.about-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
  margin: 20px 0 0;
}

.about-points {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.about-points span {
  background: var(--gray);
  border-left: 4px solid var(--gold);
  color: var(--navy);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
  min-height: 72px;
  padding: 14px;
}

.about-media {
  background: var(--navy);
  box-shadow: var(--shadow);
  margin: 0;
  overflow: hidden;
}

.about-media img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.about-media figcaption {
  color: var(--gold-2);
  font-size: 13px;
  font-weight: 900;
  padding: 16px 18px;
}

.section {
  padding: clamp(76px, 8vw, 118px) 20px;
}

.anchor-offset {
  display: block;
  position: relative;
  top: -96px;
  visibility: hidden;
}

.section-heading {
  margin: 0 auto 38px;
  max-width: var(--max);
}

.section-heading.centered {
  text-align: center;
}

.section-heading h2,
.newsletter h2 {
  color: var(--navy);
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.08;
  margin: 0;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
  margin: 18px auto 0;
  max-width: 720px;
}

.section-heading.inverted h2,
.section-heading.inverted p:not(.eyebrow) {
  color: var(--white);
}

.star-product {
  background: var(--white);
}

.showcase-image {
  background: linear-gradient(180deg, #ffffff, #f4f6f8);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: block;
  margin: 0 auto 38px;
  max-width: 900px;
  padding: clamp(18px, 3vw, 44px);
}

.showcase-image img {
  aspect-ratio: 16 / 7;
  object-fit: contain;
  width: 100%;
}

.feature-icon-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.feature-icon-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  min-height: 188px;
  padding: 24px;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.feature-icon-grid article:hover {
  border-color: rgba(184, 151, 104, 0.5);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

.feature-icon-grid svg {
  background: var(--navy);
  color: var(--gold-2);
  fill: currentColor;
  height: 46px;
  margin-bottom: 20px;
  padding: 11px;
  width: 46px;
}

.feature-icon-grid strong {
  display: block;
  font-size: 18px;
}

.feature-icon-grid span {
  color: var(--muted);
  display: block;
  line-height: 1.62;
  margin-top: 10px;
}

.product-center {
  background: var(--gray);
}

.stats-bar-section {
  background: var(--navy);
  color: var(--white);
  padding: 0 20px;
}

.stats-bar-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.stats-bar-grid .stat {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  min-height: 144px;
  padding: 28px 22px;
}

.stats-bar-grid .stat:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.stats-bar-grid strong {
  color: var(--gold-2);
  display: block;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1;
}

.stats-bar-grid span {
  color: rgba(255, 255, 255, 0.72);
  display: block;
  font-size: 13px;
  line-height: 1.5;
  margin-top: 12px;
}

.product-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.custom-process-section {
  background:
    linear-gradient(135deg, rgba(184, 151, 104, 0.16), transparent 34%),
    linear-gradient(135deg, var(--navy), #08101d 74%);
  color: var(--white);
  overflow: hidden;
}

.custom-process-section .section-heading {
  margin-bottom: 34px;
}

.process-timeline {
  background: var(--white);
  border: 1px solid rgba(212, 179, 130, 0.32);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.26);
  color: var(--navy);
  display: grid;
  gap: 0;
  grid-template-columns: repeat(8, minmax(128px, 1fr));
  margin: 0 auto;
  max-width: var(--max);
  overflow-x: auto;
  padding: 30px 22px 26px;
  position: relative;
}

.process-timeline::before {
  background: linear-gradient(90deg, transparent, rgba(184, 151, 104, 0.34) 8%, rgba(184, 151, 104, 0.34) 92%, transparent);
  content: "";
  height: 2px;
  left: 72px;
  position: absolute;
  right: 72px;
  top: 108px;
  z-index: 0;
}

.process-step {
  background: transparent;
  color: var(--navy);
  display: grid;
  justify-items: center;
  min-height: 228px;
  padding: 0 12px;
  position: relative;
  text-align: center;
  z-index: 1;
}

.process-step + .process-step {
  border-left: 1px solid rgba(228, 231, 235, 0.9);
}

.process-icon {
  align-items: center;
  background: #f6f0e8;
  border: 1px solid rgba(184, 151, 104, 0.32);
  color: var(--gold);
  display: inline-flex;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.process-icon svg {
  fill: none;
  height: 25px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 25px;
}

.step-dot {
  background: var(--white);
  border: 4px solid var(--gold);
  box-shadow: 0 0 0 6px #f6f0e8;
  display: block;
  height: 18px;
  margin: 21px 0 18px;
  position: relative;
  width: 18px;
}

.step-index {
  color: var(--gold);
  display: block;
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 12px;
}

.process-step strong {
  display: block;
  font-size: 16px;
  line-height: 1.35;
}

.process-step p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.58;
  margin: 10px 0 0;
}

.parameter-section {
  background: var(--white);
  padding-top: 28px;
}

.parameter-card {
  background: var(--navy);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.parameter-card div {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  min-height: 140px;
  padding: 28px;
}

.parameter-card div:last-child {
  border-right: 0;
}

.parameter-card span {
  color: var(--gold-2);
  display: block;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 14px;
}

.parameter-card strong {
  color: var(--white);
  display: block;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.35;
}

.color-gallery {
  background: var(--gray);
}

.color-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.color-grid figure,
.scenario-grid figure,
.scenario-card {
  margin: 0;
  overflow: hidden;
  position: relative;
}

.color-grid figure {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 12px;
}

.color-grid img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.color-grid figcaption {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  padding: 14px 4px 4px;
  text-align: center;
  text-transform: uppercase;
}

.scenarios-section {
  background: var(--navy);
  color: var(--white);
}

.project-cases-section {
  padding-top: clamp(70px, 7vw, 104px);
}

.project-cases-layout {
  align-items: end;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.32fr);
  margin: 0 auto 34px;
  max-width: var(--max);
}

.project-cases-copy h2 {
  color: var(--white);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.06;
  margin: 0;
}

.project-cases-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
  font-size: 17px;
  line-height: 1.72;
  margin: 18px 0 0;
  max-width: 760px;
}

.project-case-metric {
  background: var(--gold);
  color: var(--navy);
  padding: 24px;
}

.project-case-metric strong {
  display: block;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1;
}

.project-case-metric span {
  display: block;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
  margin-top: 10px;
}

.scenario-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.scenario-grid figure,
.scenario-card {
  background: var(--navy-soft);
  color: var(--white);
  display: block;
  min-height: 260px;
}

.scenario-grid img,
.scenario-card img {
  aspect-ratio: 4 / 3;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease;
  width: 100%;
}

.scenario-grid figure:hover img,
.scenario-card:hover img {
  transform: scale(1.06);
}

.scenario-grid figcaption,
.scenario-title {
  color: var(--white);
  display: block;
  font-size: 18px;
  font-weight: 900;
  padding: 16px 18px 8px;
}

.scenario-overlay {
  background: var(--gold);
  color: var(--navy);
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  margin: 0 18px 18px;
  opacity: 1;
  padding: 8px 11px;
  transform: none;
  transition: background 180ms ease;
}

.scenario-card:hover .scenario-overlay,
.scenario-card:focus-visible .scenario-overlay {
  background: var(--gold-2);
}

.scenario-detail-section {
  background: var(--gray);
  color: var(--ink);
}

.scenario-article {
  margin: 0 auto;
  max-width: var(--max);
}

.scenario-article-header {
  margin: 0 auto 42px;
  max-width: 820px;
  text-align: center;
}

.scenario-article-header h1 {
  color: var(--navy);
  font-size: clamp(42px, 5.6vw, 76px);
  line-height: 1;
  margin: 0;
}

.scenario-article-header .lead {
  color: #303942;
  margin-top: 22px;
}

.scenario-article-layout {
  align-items: start;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.32fr);
}

.scenario-article-body {
  display: grid;
  gap: 22px;
}

.scenario-image-stack {
  display: grid;
  gap: 20px;
}

.scenario-figure {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.1);
  margin: 0;
  overflow: hidden;
}

.scenario-figure img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.scenario-figure figcaption {
  color: var(--navy);
  font-size: 15px;
  font-weight: 900;
  padding: 16px 18px;
}

.scenario-product-aside {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 18px;
  position: sticky;
  top: 98px;
}

.scenario-product-aside h2 {
  color: var(--navy);
  font-size: 22px;
  line-height: 1.15;
  margin: 0 0 14px;
}

.scenario-product-mini {
  border-top: 1px solid var(--line);
  color: inherit;
  display: grid;
  gap: 10px;
  grid-template-columns: 82px 1fr;
  padding: 14px 0;
}

.scenario-product-mini img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.scenario-product-mini span {
  color: var(--navy);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.35;
}

.scenario-pagination {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 34px;
}

.scenario-pagination a {
  background: var(--white);
  border: 1px solid var(--line);
  display: block;
  padding: 20px;
}

.scenario-pagination span {
  color: var(--gold);
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.scenario-pagination strong {
  color: var(--navy);
  display: block;
  font-size: 20px;
}

.scenario-cta-band {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin: 36px auto 0;
  max-width: var(--max);
  padding: 22px;
}

.scenario-cta-band strong {
  color: var(--navy);
  font-size: clamp(20px, 2.2vw, 30px);
}

.scenario-related-grid .scenario-card {
  min-height: 220px;
}

.factory-section {
  background: var(--white);
  color: var(--ink);
}

.factory-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
  margin: 0 auto;
  max-width: var(--max);
}

.factory-mosaic {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.factory-mosaic img {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.factory-mosaic .factory-large {
  grid-row: span 2;
}

.capability-grid {
  display: grid;
  gap: 14px;
}

.capability-card {
  background: var(--gray);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  min-height: 132px;
  padding: 24px;
}

.capability-card::before {
  display: none;
}

.capability-card strong {
  color: var(--navy);
  display: block;
  font-size: 20px;
}

.capability-card span {
  color: var(--muted);
  display: block;
  line-height: 1.62;
  margin-top: 10px;
}

.certification-section {
  background: var(--gray);
}

.cert-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.cert-grid figure {
  background: var(--white);
  border: 1px solid #d9dde3;
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
  margin: 0;
  overflow: hidden;
  padding: 14px;
}

.cert-grid img {
  aspect-ratio: 3 / 4;
  background: var(--white);
  border: 1px solid #edf0f3;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.04);
  object-fit: contain;
  padding: 10px;
  width: 100%;
}

.cert-grid figcaption {
  color: var(--navy);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
  min-height: 52px;
  padding: 14px 4px 4px;
  text-align: center;
}

/* Overflow fixes and filled certificate placeholders. */
.stats-bar-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stats-bar-grid .stat {
  align-content: center;
  display: grid;
  gap: 14px;
  justify-items: center;
  min-width: 0;
  overflow: hidden;
  padding: clamp(24px, 2.8vw, 36px) clamp(12px, 1.6vw, 22px);
  text-align: center;
}

.stats-bar-grid strong {
  color: var(--gold);
  display: block;
  font-size: clamp(38px, 3.15vw, 54px);
  font-weight: 900;
  line-height: 0.95;
  max-width: 100%;
  white-space: nowrap;
  word-break: keep-all;
}

.stats-bar-grid span {
  color: #647184;
  display: block;
  font-size: clamp(12px, 0.9vw, 14px);
  font-weight: 900;
  line-height: 1.45;
  max-width: 100%;
}

.cert-grid figure {
  display: grid;
  gap: 16px;
  padding: 16px;
}

.cert-document {
  align-items: center;
  aspect-ratio: 3 / 4;
  background:
    linear-gradient(135deg, rgba(184, 151, 104, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff, #fbfbfa);
  border: 1px solid #e0e4ea;
  box-shadow:
    inset 0 0 0 12px #ffffff,
    inset 0 0 0 14px #eef1f4;
  color: var(--navy);
  display: grid;
  justify-items: center;
  overflow: hidden;
  padding: 34px 24px 28px;
  position: relative;
}

.cert-document::before,
.cert-document::after {
  border: 1px solid rgba(184, 151, 104, 0.26);
  content: "";
  position: absolute;
}

.cert-document::before {
  inset: 26px;
}

.cert-document::after {
  border-radius: 999px;
  height: 112px;
  opacity: 0.18;
  right: -28px;
  top: -28px;
  width: 112px;
}

.cert-document.highlighted {
  border-color: rgba(184, 151, 104, 0.56);
  box-shadow:
    inset 0 0 0 12px #fffaf2,
    inset 0 0 0 14px rgba(184, 151, 104, 0.22),
    0 16px 40px rgba(184, 151, 104, 0.1);
}

.cert-brand,
.cert-title-line,
.cert-type,
.cert-no {
  position: relative;
  z-index: 1;
}

.cert-brand {
  color: var(--gold);
  font-size: clamp(18px, 1.5vw, 25px);
  font-weight: 900;
  letter-spacing: 0;
}

.cert-title-line {
  color: #1f2937;
  font-size: clamp(22px, 2vw, 34px);
  font-weight: 900;
  line-height: 1;
  margin-top: 14px;
}

.cert-type {
  background: var(--navy);
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 900;
  margin-top: 8px;
  padding: 7px 12px;
}

.cert-lines {
  background:
    linear-gradient(#dfe4ea 0 0) 50% 0 / 78% 2px no-repeat,
    linear-gradient(#dfe4ea 0 0) 50% 50% / 66% 2px no-repeat,
    linear-gradient(#dfe4ea 0 0) 50% 100% / 72% 2px no-repeat;
  display: block;
  height: 46px;
  margin-top: 24px;
  position: relative;
  width: 100%;
  z-index: 1;
}

.cert-seal {
  align-items: center;
  border: 2px solid rgba(184, 151, 104, 0.7);
  border-radius: 999px;
  color: var(--gold);
  display: inline-flex;
  font-size: 28px;
  font-weight: 900;
  height: 72px;
  justify-content: center;
  margin-top: 16px;
  position: relative;
  width: 72px;
  z-index: 1;
}

.cert-no {
  color: #7b8794;
  font-size: 11px;
  font-weight: 900;
  margin-top: 14px;
}

.b2b-faq-section {
  background: var(--white);
}

.faq-accordion {
  display: grid;
  gap: 12px;
  margin: 0 auto;
  max-width: 900px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
}

.faq-item summary {
  align-items: center;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  font-size: 18px;
  font-weight: 900;
  justify-content: space-between;
  list-style: none;
  padding: 20px 22px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  background: var(--gold);
  color: var(--navy);
  content: "+";
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 900;
  height: 28px;
  justify-content: center;
  line-height: 28px;
  margin-left: 18px;
  width: 28px;
}

.faq-item[open] {
  border-color: rgba(184, 151, 104, 0.52);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.1);
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  border-top: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.72;
  margin: 0;
  padding: 0 22px 22px;
}

.news-section {
  background: var(--gray);
}

.news-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 auto;
  max-width: var(--max);
}

.news-card {
  background: var(--white);
  border: 1px solid var(--line);
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 284px;
  padding: 26px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.news-card:hover {
  border-color: rgba(184, 151, 104, 0.5);
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.13);
  transform: translateY(-4px);
}

.news-card span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.news-card strong {
  color: var(--navy);
  display: block;
  font-size: clamp(20px, 2.1vw, 28px);
  line-height: 1.18;
  margin-top: 18px;
}

.news-card p {
  color: var(--muted);
  line-height: 1.66;
  margin: 16px 0 0;
}

.news-card em {
  color: var(--navy);
  font-style: normal;
  font-weight: 900;
  margin-top: auto;
  padding-top: 22px;
}

.site-footer {
  background: var(--navy);
  color: var(--white);
  padding: clamp(54px, 6vw, 82px) 20px 34px;
}

.footer-grid {
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.7fr) minmax(220px, 0.6fr);
  margin: 0 auto;
  max-width: var(--max);
}

.inquiry-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: grid;
  gap: 18px;
  margin: 46px auto 0;
  max-width: var(--max);
  padding: clamp(22px, 4vw, 42px);
}

.section-heading.compact {
  margin-bottom: 8px;
}

.section-heading.compact h2 {
  font-size: clamp(28px, 3.6vw, 44px);
}

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

.inquiry-form label,
.inquiry-form .file-field,
.inquiry-form fieldset {
  display: grid;
  gap: 8px;
  margin: 0;
}

.inquiry-form span,
.inquiry-form legend {
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.inquiry-form input,
.inquiry-form textarea {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid transparent;
  color: var(--navy);
  min-height: 46px;
  padding: 12px 13px;
  width: 100%;
}

.inquiry-form textarea {
  min-height: 104px;
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--gold);
  outline: 2px solid rgba(184, 151, 104, 0.28);
}

.file-upload-control {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid transparent;
  display: flex;
  gap: 12px;
  min-height: 58px;
  padding: 10px 13px;
}

.file-upload-input {
  border: 0 !important;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  min-height: 0 !important;
  margin: -1px;
  opacity: 0;
  overflow: hidden;
  padding: 0 !important;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.file-upload-button {
  background: var(--gold);
  color: var(--navy);
  cursor: pointer;
  display: inline-flex !important;
  font-size: 14px !important;
  font-weight: 900;
  line-height: 1;
  min-height: 34px;
  padding: 10px 14px;
  text-transform: none !important;
  width: auto;
}

.file-upload-button:hover {
  background: var(--gold-2);
}

.file-upload-input:focus + .file-upload-button {
  outline: 2px solid rgba(184, 151, 104, 0.45);
  outline-offset: 2px;
}

.inquiry-form .file-upload-status {
  color: #4f5965;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.inquiry-form fieldset {
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 16px;
}

.product-options {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-height: 180px;
  overflow: auto;
  padding-right: 4px;
}

.product-options label {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  gap: 8px;
  min-height: 42px;
  padding: 8px;
}

.product-options input {
  accent-color: var(--gold);
  min-height: auto;
  padding: 0;
  width: auto;
}

.product-options span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 12px;
  line-height: 1.3;
  text-transform: none;
}

.inquiry-form .button {
  justify-self: start;
}

[data-form-status] {
  color: var(--gold-2);
  font-weight: 900;
  margin: 0;
}

.footer-logo .brand-mark {
  background: var(--gold);
  color: var(--navy);
}

.footer-logo strong,
.site-footer strong {
  color: var(--white);
}

.footer-logo small,
.site-footer p,
.footer-links a {
  color: rgba(255, 255, 255, 0.68);
}

.footer-brand p {
  line-height: 1.5;
  margin: 14px 0 0;
}

.footer-links {
  display: grid;
  gap: 12px;
}

.footer-links strong,
.footer-qr strong {
  color: var(--gold-2);
  display: block;
  margin-bottom: 8px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-qr img {
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.16);
  margin: 14px 0;
  max-width: 132px;
  padding: 8px;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  font-weight: 800;
  margin: 34px auto 0;
  max-width: var(--max);
}

.footer-lang {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

.footer-lang button {
  border-color: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.72);
}

.sticky-sidebar {
  display: grid;
  gap: 8px;
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
}

.sticky-sidebar a {
  align-items: center;
  background: var(--navy);
  border: 1px solid rgba(184, 151, 104, 0.4);
  color: var(--gold-2);
  display: grid;
  font-weight: 900;
  gap: 5px;
  min-height: 62px;
  justify-content: center;
  padding: 8px 6px;
  text-align: center;
  width: 74px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.sticky-sidebar a:hover {
  background: var(--gold);
  color: var(--navy);
}

.sticky-sidebar span {
  font-size: 18px;
  line-height: 1;
}

.sticky-sidebar .whatsapp-icon {
  display: grid;
  font-size: 0;
  line-height: 0;
  margin: 0 auto;
  place-items: center;
}

.sticky-sidebar .whatsapp-icon svg {
  display: block;
  filter: drop-shadow(0 3px 8px rgba(37, 211, 102, 0.28));
  height: 27px;
  transition: transform 0.25s ease, filter 0.25s ease;
  width: 27px;
}

.sticky-sidebar .whatsapp-action:hover .whatsapp-icon svg {
  filter: drop-shadow(0 4px 10px rgba(37, 211, 102, 0.36));
  transform: scale(1.08);
}

.sticky-sidebar strong {
  font-size: 11px;
  line-height: 1.15;
}

.hidden-integration-form {
  display: none;
}

/* Critical navigation and hero polish. CSS-only, preserves routing and language controls. */
.site-header {
  grid-template-areas:
    "brand spacer actions"
    "nav nav nav";
  grid-template-columns: minmax(190px, 260px) minmax(0, 1fr) auto;
  gap: 0 24px;
  min-height: 112px;
  padding: 10px clamp(18px, 3vw, 42px) 0;
}

.brand {
  grid-area: brand;
}

.header-actions {
  grid-area: actions;
}

.main-nav {
  align-self: end;
  background: linear-gradient(90deg, #0b1220, #111d34 50%, #0b1220);
  border-top: 1px solid rgba(184, 151, 104, 0.24);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.18);
  display: flex;
  gap: clamp(24px, 2.6vw, 42px);
  grid-area: nav;
  justify-content: center;
  margin: 10px calc(clamp(18px, 3vw, 42px) * -1) 0;
  min-height: 48px;
  padding: 0 clamp(18px, 3vw, 42px);
}

.main-nav a {
  align-items: center;
  border-bottom: 3px solid transparent;
  color: rgba(255, 255, 255, 0.9);
  display: inline-flex;
  font-size: clamp(16px, 1.2vw, 18px);
  font-weight: 900;
  min-height: 48px;
  padding: 0;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--gold-2);
}

.hero {
  background:
    linear-gradient(90deg, rgba(8, 14, 27, 0.92), rgba(10, 15, 30, 0.82) 46%, rgba(10, 15, 30, 0.72)),
    url("/assets/source/cda378783f4cd88-b5ecc547.jpg") center / cover no-repeat;
  min-height: clamp(720px, 78vh, 900px);
}

.hero::before {
  background:
    radial-gradient(circle at 72% 44%, rgba(184, 151, 104, 0.22), transparent 28%),
    rgba(10, 15, 30, 0.18);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.hero::after {
  z-index: 1;
}

.hero-layout {
  grid-template-columns: minmax(420px, 0.9fr) minmax(420px, 1.1fr);
  min-height: clamp(690px, 74vh, 860px);
  padding-top: clamp(86px, 8vw, 132px);
  z-index: 2;
}

.hero h1 {
  text-shadow: 0 18px 36px rgba(0, 0, 0, 0.34);
}

.hero-badges {
  display: grid;
  gap: clamp(14px, 1.8vw, 24px);
  grid-template-columns: repeat(4, minmax(82px, 1fr));
  max-width: 540px;
}

.hero-badges > .trust-marker,
.hero-badges .trust-icon,
.hero-badges .badge-label {
  background: transparent;
  border: 0;
  color: inherit;
  min-height: 0;
  padding: 0;
  text-transform: none;
}

.hero-badges > .trust-marker {
  align-items: center;
  display: grid;
  gap: 9px;
  justify-items: center;
  text-align: center;
}

.hero-badges .trust-icon {
  align-items: center;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  color: var(--white);
  display: inline-flex;
  height: 54px;
  justify-content: center;
  width: 54px;
}

.hero-badges .trust-icon svg {
  fill: none;
  height: 29px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 29px;
}

.hero-badges .badge-label {
  color: rgba(255, 255, 255, 0.94);
  display: block;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0;
}

.hero-collage {
  display: block;
  min-height: clamp(500px, 48vw, 650px);
  position: relative;
}

.collage-card {
  background: var(--white);
  border: 5px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.36);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  margin: 0;
  overflow: hidden;
  position: absolute;
  transition: transform 0.36s ease, filter 0.36s ease, z-index 0.36s ease;
}

.collage-card img,
.collage-main img {
  aspect-ratio: auto;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 0.55s ease;
  width: 100%;
}

.collage-card figcaption {
  display: none;
}

.collage-card:hover {
  filter: brightness(1.04);
  transform: translateY(-8px) scale(1.04);
  z-index: 8;
}

.collage-card:hover img {
  transform: scale(1.14);
}

.collage-main {
  height: clamp(260px, 27vw, 380px);
  left: 30%;
  top: 9%;
  width: clamp(260px, 27vw, 380px);
  z-index: 4;
}

.collage-top {
  height: clamp(180px, 19vw, 270px);
  left: 7%;
  top: 22%;
  width: clamp(180px, 19vw, 270px);
  z-index: 3;
}

.collage-bottom {
  height: clamp(200px, 21vw, 300px);
  left: 50%;
  top: 43%;
  width: clamp(200px, 21vw, 300px);
  z-index: 5;
}

.collage-side {
  height: clamp(170px, 18vw, 260px);
  left: 20%;
  top: 55%;
  width: clamp(170px, 18vw, 260px);
  z-index: 2;
}

.hero-collage-arrow {
  align-items: center;
  background: rgba(255, 255, 255, 0.16);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  color: var(--white);
  cursor: pointer;
  display: inline-flex;
  font-size: 30px;
  font-weight: 900;
  height: 52px;
  justify-content: center;
  position: absolute;
  top: 48%;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  width: 52px;
  z-index: 9;
}

.collage-prev {
  left: -4px;
}

.collage-next {
  right: -4px;
}

.hero-collage-arrow:hover,
.hero-collage-arrow:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy);
  transform: scale(1.08);
}

.hero-collage-dots {
  align-items: center;
  bottom: 12px;
  display: flex;
  gap: 14px;
  justify-content: center;
  left: 0;
  position: absolute;
  right: 0;
  z-index: 9;
}

.hero-collage-dots span {
  background: rgba(255, 255, 255, 0.82);
  border-radius: 999px;
  display: block;
  height: 8px;
  width: 8px;
}

.hero-collage-dots span.active {
  background: transparent;
  box-shadow: 0 0 0 2px var(--gold);
}

/* Premium visual polish. Kept CSS-only to preserve app.js routing, i18n and forms. */
.section {
  padding: clamp(92px, 9vw, 140px) 20px;
}

.section-heading {
  margin-bottom: clamp(44px, 5vw, 70px);
}

.section-heading h2,
.newsletter h2,
.project-cases-copy h2,
.about-copy h2 {
  font-size: clamp(2.5rem, 5.4vw, 4.75rem);
  font-weight: 900;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.project-cases-copy p:not(.eyebrow),
.about-copy p {
  font-size: clamp(16px, 1.3vw, 19px);
}

.main-nav a {
  transition: color 0.3s ease, border-color 0.3s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}

.button.primary,
.quote-link {
  box-shadow: 0 12px 28px rgba(184, 151, 104, 0.22);
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.button.primary:hover,
.button.primary:focus-visible,
.quote-link:hover,
.quote-link:focus-visible {
  background: #d9bb88;
  box-shadow: 0 18px 42px rgba(184, 151, 104, 0.36);
  transform: translateY(-3px);
}

.hero {
  isolation: isolate;
  position: relative;
}

.hero::after {
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0), var(--navy) 42%, var(--navy));
  bottom: -1px;
  clip-path: polygon(0 38%, 100% 0, 100% 100%, 0 100%);
  content: "";
  height: clamp(90px, 10vw, 150px);
  left: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
  z-index: 0;
}

.hero-layout {
  padding-bottom: clamp(110px, 10vw, 170px);
  position: relative;
  z-index: 1;
}

.collage-card,
.showcase-image,
.about-media,
.parameter-card,
.inquiry-form {
  border-radius: 0;
}

.project-cases-section {
  background:
    linear-gradient(180deg, var(--navy) 0%, #101d33 58%, #0b1220 100%);
  overflow: hidden;
  padding: clamp(90px, 8vw, 132px) 0 0;
}

.project-cases-layout {
  align-items: end;
  max-width: min(1280px, calc(100vw - 40px));
  padding: 0 20px;
}

.project-case-metric {
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.22);
}

.scenario-grid {
  gap: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: clamp(36px, 5vw, 76px) 0 0;
  max-width: none;
  width: 100%;
}

.scenario-card {
  min-height: clamp(260px, 28vw, 430px);
  overflow: hidden;
}

.scenario-card::before {
  background: linear-gradient(180deg, rgba(8, 16, 29, 0) 18%, rgba(8, 16, 29, 0.88) 100%);
  content: "";
  inset: 0;
  opacity: 0.72;
  pointer-events: none;
  position: absolute;
  transition: opacity 0.35s ease;
  z-index: 1;
}

.scenario-card img {
  height: 100%;
  transform: scale(1.01);
  transition: transform 0.55s ease;
}

.scenario-card:hover img,
.scenario-card:focus-visible img {
  transform: scale(1.1);
}

.scenario-title {
  bottom: 24px;
  font-size: clamp(20px, 2vw, 30px);
  left: 24px;
  padding: 0;
  position: absolute;
  right: 24px;
  z-index: 2;
}

.scenario-overlay {
  align-items: center;
  background: var(--gold);
  color: var(--navy);
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  justify-content: center;
  left: 50%;
  margin: 0;
  min-height: 42px;
  opacity: 0;
  padding: 0 16px;
  position: absolute;
  top: 50%;
  transform: translate(-50%, calc(-50% + 14px));
  transition: opacity 0.32s ease, transform 0.32s ease, background 0.32s ease;
  z-index: 3;
}

.scenario-card:hover::before,
.scenario-card:focus-visible::before {
  opacity: 1;
}

.scenario-card:hover .scenario-overlay,
.scenario-card:focus-visible .scenario-overlay {
  background: var(--gold-2);
  opacity: 1;
  transform: translate(-50%, -50%);
}

.about-section {
  background:
    linear-gradient(115deg, rgba(184, 151, 104, 0.08), transparent 34%),
    var(--white);
  overflow: hidden;
  position: relative;
}

.about-section::after {
  background: linear-gradient(176deg, transparent 0 48%, var(--gray) 48.3% 100%);
  bottom: 0;
  content: "";
  height: clamp(74px, 8vw, 118px);
  left: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
}

.about-layout {
  position: relative;
  z-index: 1;
}

.stats-bar-section {
  background:
    linear-gradient(176deg, var(--white) 0 18%, var(--gray) 18.3% 100%);
  color: var(--navy);
  padding: clamp(70px, 7vw, 104px) 20px;
}

.stats-bar-grid {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(228, 231, 235, 0.86);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.stats-bar-grid .stat {
  border-left: 1px solid var(--line);
  min-height: 170px;
  padding: clamp(28px, 3vw, 42px) 24px;
}

.stats-bar-grid .stat:last-child {
  border-right: 1px solid var(--line);
}

.stats-bar-grid strong {
  color: var(--gold);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 900;
}

.stats-bar-grid span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.product-center {
  background:
    radial-gradient(circle at 86% 18%, rgba(184, 151, 104, 0.16), transparent 30%),
    linear-gradient(180deg, var(--gray), var(--white));
  overflow: hidden;
  position: relative;
}

.product-center::before {
  background: linear-gradient(110deg, rgba(15, 23, 42, 0.06), transparent 52%);
  content: "";
  height: 180px;
  left: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
  top: 0;
}

.product-center .section-heading,
.product-center .product-grid {
  position: relative;
  z-index: 1;
}

.product-center .product-grid {
  --feature-gap: clamp(24px, 4vw, 54px);
  --menu-width: 31%;
  align-items: stretch;
  display: grid;
  gap: 0 var(--feature-gap);
  grid-auto-rows: minmax(92px, auto);
  grid-template-columns: var(--menu-width) minmax(0, 1fr);
  margin: 0 auto;
  max-width: min(1320px, calc(100vw - 40px));
  min-height: clamp(650px, 60vw, 840px);
  overflow: hidden;
  position: relative;
}

.product-center .product-grid::before {
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.18), rgba(15, 23, 42, 0.72)),
    var(--navy);
  border: 1px solid rgba(184, 151, 104, 0.26);
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.2);
  content: "";
  inset: 0 0 0 calc(var(--menu-width) + var(--feature-gap));
  position: absolute;
  z-index: 0;
}

.product-center .product-card {
  background: rgba(255, 255, 255, 0.94);
  border: 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  display: block;
  grid-column: 1;
  min-height: 92px;
  overflow: visible;
  position: static;
  transform: none;
  z-index: 2;
}

.product-center .product-card:hover,
.product-center .product-card:focus-visible {
  box-shadow: none;
  transform: none;
}

.product-center .product-card > img {
  aspect-ratio: auto;
  border: 1px solid rgba(184, 151, 104, 0.28);
  height: 100%;
  left: calc(var(--menu-width) + var(--feature-gap));
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: 0;
  transform: scale(1.01);
  transition: opacity 0.35s ease, transform 0.65s ease;
  width: calc(100% - var(--menu-width) - var(--feature-gap));
  z-index: 1;
}

.product-center .product-grid:not(:hover) .product-card:first-child > img,
.product-center .product-card:hover > img,
.product-center .product-card:focus-visible > img {
  opacity: 1;
  transform: scale(1.1);
}

.product-center .product-grid:hover .product-card:first-child:not(:hover) > img {
  opacity: 0;
}

.product-center .product-card > div {
  background: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: auto;
  padding: 18px 22px;
  position: relative;
  transition: background 0.3s ease, transform 0.3s ease;
  z-index: 2;
}

.product-center .product-card:hover > div,
.product-center .product-card:focus-visible > div {
  background: var(--navy);
  transform: translateX(10px);
}

.product-center .product-card strong {
  color: var(--navy);
  font-size: clamp(18px, 1.7vw, 25px);
  transition: color 0.3s ease;
}

.product-center .product-card:hover strong,
.product-center .product-card:focus-visible strong,
.product-center .product-card:hover > div > p,
.product-center .product-card:focus-visible > div > p {
  color: var(--white);
}

.product-center .product-card p {
  display: none;
  font-size: 14px;
  margin: 10px 0 0;
  transition: color 0.3s ease;
}

.product-center .product-tags {
  display: none;
  margin-top: 14px;
  padding: 0;
}

.product-center .detail-link {
  justify-self: start;
  margin-top: 12px;
}

.feature-icon-grid {
  gap: clamp(18px, 2vw, 26px);
}

.feature-icon-grid article {
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
  transform-origin: center;
  transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
}

.feature-icon-grid article:hover {
  box-shadow: 0 26px 58px rgba(15, 23, 42, 0.16);
  transform: scale(1.05);
}

.color-grid figure,
.factory-mosaic img,
.capability-card,
.cert-grid figure,
.news-card,
.faq-item {
  transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
}

.color-grid figure:hover,
.factory-mosaic img:hover,
.capability-card:hover,
.cert-grid figure:hover,
.news-card:hover,
.faq-item:hover {
  border-color: rgba(184, 151, 104, 0.46);
  box-shadow: 0 24px 54px rgba(15, 23, 42, 0.14);
  transform: translateY(-5px);
}

.factory-mosaic img {
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.06);
}

@keyframes reveal-up {
  from {
    opacity: 0.001;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports (animation-timeline: view()) {
  .reveal-section {
    animation: reveal-up both ease-out;
    animation-range: entry 8% cover 28%;
    animation-timeline: view();
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-section {
    animation: none;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms !important;
  }
}

/* Product detail compatibility. The detail DOM is generated by app.js. */
.product-detail-section {
  background: var(--gray);
  padding-top: clamp(46px, 6vw, 78px);
}

.product-breadcrumb,
.product-detail-hero,
.detail-content-grid,
.detail-inquiry-note,
.related-products {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--max);
}

.product-breadcrumb {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
  gap: 10px;
  margin-bottom: 22px;
}

.product-breadcrumb a {
  color: var(--gold);
  font-weight: 900;
}

.product-detail-hero {
  align-items: center;
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
}

.product-detail-copy h1 {
  color: var(--navy);
  font-size: clamp(42px, 5.8vw, 78px);
  line-height: 0.98;
  margin: 0 0 22px;
}

.lead {
  color: #303942;
  font-size: 18px;
  line-height: 1.8;
  margin: 0;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.product-tags span {
  background: #f3ede5;
  color: #83633b;
  font-size: 12px;
  font-weight: 900;
  padding: 6px 9px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button.secondary {
  background: var(--white);
  border-color: var(--line);
  color: var(--navy);
}

.product-detail-media {
  display: grid;
  gap: 12px;
}

.product-detail-main-image,
.product-detail-thumbs img {
  background: var(--white);
  border: 1px solid var(--line);
  object-fit: cover;
  width: 100%;
}

.product-detail-main-image {
  aspect-ratio: 4 / 3;
}

.product-detail-thumbs {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-detail-thumbs img {
  aspect-ratio: 16 / 10;
}

.detail-content-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 36px;
}

.detail-panel,
.product-card,
.case-card,
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
}

.detail-panel {
  min-height: 220px;
  padding: 24px;
}

.detail-panel h2,
.related-products h2 {
  color: var(--navy);
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.15;
  margin: 0 0 16px;
}

.detail-panel p,
.detail-panel li,
.detail-panel dd,
.product-card p,
.case-card p,
.faq-item p {
  color: var(--muted);
  line-height: 1.66;
}

.overview-panel {
  grid-column: span 2;
}

.specs-panel dl {
  display: grid;
  gap: 1px;
  margin: 0;
}

.specs-panel dl div {
  background: var(--gray);
  display: grid;
  gap: 12px;
  grid-template-columns: 130px 1fr;
  padding: 12px;
}

.specs-panel dt {
  color: var(--navy);
  font-weight: 900;
}

.specs-panel dd {
  margin: 0;
}

.finish-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.finish-list span {
  background: #f3ede5;
  color: #83633b;
  font-weight: 900;
  padding: 8px 11px;
}

.source-items-panel {
  grid-column: span 2;
}

.model-lineup-panel,
.product-gallery-panel {
  grid-column: 1 / -1;
}

.product-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.product-detail-meta span,
.model-code {
  background: var(--navy);
  color: var(--white);
  display: inline-flex;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  min-height: 30px;
  padding: 0 10px;
  align-items: center;
}

.model-grid,
.detail-gallery-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.model-card {
  background: var(--gray);
  border: 1px solid var(--line);
  color: inherit;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100%;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.model-card:hover {
  border-color: rgba(184, 151, 104, 0.5);
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.14);
  transform: translateY(-3px);
}

.model-card img,
.detail-gallery-grid img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.model-card img {
  transition: transform 300ms ease;
}

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

.model-card div {
  display: flex;
  flex-direction: column;
  padding: 16px;
}

.model-card strong {
  color: var(--navy);
  display: block;
  font-size: 17px;
  line-height: 1.3;
  margin-top: 12px;
}

.model-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.model-card .detail-link {
  margin-top: auto;
}

.model-loading {
  background: var(--gray);
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 800;
  margin: 0;
  padding: 18px;
}

.source-item-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.source-item-grid a {
  background: var(--gray);
  border: 1px solid var(--line);
  color: var(--navy);
  display: block;
  overflow: hidden;
}

.source-item-grid img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.source-item-grid span {
  display: block;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.35;
  padding: 9px;
}

.detail-inquiry-note {
  background: var(--navy);
  color: var(--white);
  font-weight: 900;
  line-height: 1.55;
  margin-top: 18px;
  padding: 18px 22px;
}

.related-products {
  margin-top: 46px;
}

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

.product-card {
  color: inherit;
  display: block;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.product-card:hover {
  border-color: rgba(184, 151, 104, 0.5);
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.15);
  transform: translateY(-4px);
}

.product-card img,
.case-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 300ms ease;
  width: 100%;
}

.product-card:hover img {
  transform: scale(1.05);
}

.product-card div,
.case-card div {
  padding: 18px;
}

.product-card strong,
.case-card strong {
  color: var(--navy);
  display: block;
  font-size: 18px;
}

.detail-link {
  background: var(--gold);
  border-bottom: 0;
  color: var(--navy);
  display: inline-flex;
  font-size: 13px;
  font-weight: 900;
  margin-top: 18px;
  min-height: 36px;
  padding: 0 13px;
  align-items: center;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
  }

  .main-nav {
    display: none;
    grid-column: 1 / -1;
  }

  body.nav-open .main-nav {
    align-items: stretch;
    background: var(--white);
    border-top: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 0;
    justify-content: start;
    padding: 8px 0 2px;
  }

  body.nav-open .main-nav a {
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    padding: 13px 2px;
  }

  .header-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
  }

  .hero-layout,
  .about-layout,
  .project-cases-layout,
  .factory-layout,
  .scenario-article-layout,
  .product-detail-hero,
  .scenario-detail-hero {
    grid-template-columns: 1fr;
  }

  .scenario-product-aside {
    position: static;
  }

  .feature-icon-grid,
  .parameter-card,
  .color-grid,
  .product-grid,
  .stats-bar-grid,
  .cert-grid,
  .form-grid,
  .product-options,
  .model-grid,
  .detail-gallery-grid,
  .source-item-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scenario-grid,
  .news-grid,
  .case-study-grid,
  .detail-content-grid,
  .scenario-pagination,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-collage {
    margin: 0 auto;
    max-width: 640px;
  }

  .overview-panel,
  .model-lineup-panel,
  .product-gallery-panel,
  .source-items-panel {
    grid-column: span 2;
  }

  .process-timeline {
    grid-template-columns: repeat(8, minmax(132px, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: center;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding: 12px 16px;
  }

  .header-actions {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .header-trust {
    justify-items: start;
    order: -1;
    width: 100%;
  }

  .quote-link {
    flex: 1;
  }

  .hero,
  .hero-layout {
    min-height: auto;
  }

  .hero-layout {
    padding: 64px 18px;
  }

  .hero-accent {
    right: -18px;
    width: 80px;
  }

  .hero-metrics,
  .about-points,
  .project-cases-layout,
  .feature-icon-grid,
  .parameter-card,
  .product-grid,
  .stats-bar-grid,
  .cert-grid,
  .news-grid,
  .form-grid,
  .product-options,
  .model-grid,
  .detail-gallery-grid,
  .source-item-grid,
  .color-grid,
  .scenario-grid,
  .case-study-grid,
  .factory-mosaic,
  .detail-content-grid,
  .scenario-pagination,
  .related-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-product-card {
    padding: 14px;
  }

  .hero-collage {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    min-height: auto;
  }

  .collage-card,
  .collage-main,
  .collage-top,
  .collage-bottom,
  .collage-side {
    grid-column: auto;
    grid-row: auto;
    margin: 0;
  }

  .collage-card img {
    aspect-ratio: 4 / 3;
    height: auto;
  }

  .scenario-detail-hero,
  .scenario-cta-band {
    padding: 20px;
  }

  .scenario-cta-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .section {
    padding: 64px 18px;
  }

  .parameter-section {
    padding-top: 20px;
  }

  .parameter-card div {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    border-right: 0;
  }

  .parameter-card div:last-child {
    border-bottom: 0;
  }

  .factory-mosaic .factory-large,
  .overview-panel,
  .model-lineup-panel,
  .product-gallery-panel,
  .source-items-panel {
    grid-column: auto;
    grid-row: auto;
  }

  .specs-panel dl div,
  .product-detail-thumbs {
    grid-template-columns: 1fr;
  }

  .sticky-sidebar {
    right: 8px;
  }

  .process-timeline {
    grid-template-columns: repeat(8, minmax(138px, 1fr));
    padding: 26px 18px 22px;
  }

  .process-timeline::before {
    left: 64px;
    right: 64px;
    top: 104px;
  }
}

@media (max-width: 1080px) {
  .project-cases-section {
    padding-top: 78px;
  }

  .scenario-grid {
    gap: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: none;
  }

  .product-center .product-grid {
    display: grid;
    gap: 22px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: min(860px, calc(100vw - 40px));
    min-height: auto;
    overflow: visible;
  }

  .product-center .product-grid::before {
    display: none;
  }

  .product-center .product-card {
    border: 1px solid var(--line);
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    min-height: 100%;
    overflow: hidden;
    position: relative;
  }

  .product-center .product-card > img,
  .product-center .product-grid:not(:hover) .product-card:first-child > img,
  .product-center .product-card:hover > img,
  .product-center .product-card:focus-visible > img {
    aspect-ratio: 4 / 3;
    border: 0;
    height: auto;
    left: auto;
    opacity: 1;
    pointer-events: auto;
    position: static;
    top: auto;
    transform: scale(1);
    width: 100%;
  }

  .product-center .product-card:hover > img,
  .product-center .product-card:focus-visible > img {
    transform: scale(1.1);
  }

  .product-center .product-card > div {
    flex: 1;
    min-height: auto;
    transform: none;
  }

  .product-center .product-card p {
    display: block;
  }

  .product-center .product-tags {
    display: flex;
    padding: 0;
  }

  .product-center .product-card:hover > div,
  .product-center .product-card:focus-visible > div {
    transform: none;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 76px 18px;
  }

  .section-heading h2,
  .newsletter h2,
  .project-cases-copy h2,
  .about-copy h2 {
    font-size: clamp(2.35rem, 12vw, 3.25rem);
  }

  .hero-layout {
    padding-bottom: 96px;
  }

  .project-cases-layout {
    padding: 0 18px;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .scenario-card {
    min-height: 310px;
  }

  .stats-bar-section {
    padding: 54px 18px;
  }

  .stats-bar-grid {
    grid-template-columns: 1fr;
  }

  .stats-bar-grid .stat {
    border-left: 0;
    border-top: 1px solid var(--line);
    min-height: 138px;
  }

  .stats-bar-grid .stat:first-child {
    border-top: 0;
  }

  .product-center .product-grid {
    grid-template-columns: 1fr;
    max-width: min(520px, calc(100vw - 36px));
  }
}

/* Final nav and hero overrides for the reference-style first viewport. */
.hero {
  background:
    linear-gradient(90deg, rgba(8, 14, 27, 0.94), rgba(10, 15, 30, 0.84) 48%, rgba(10, 15, 30, 0.72)),
    url("/assets/source/cda378783f4cd88-b5ecc547.jpg") center / cover no-repeat;
  min-height: clamp(720px, 78vh, 900px);
  position: relative;
}

.hero::before {
  background:
    radial-gradient(circle at 72% 44%, rgba(184, 151, 104, 0.22), transparent 28%),
    rgba(10, 15, 30, 0.18);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: 0;
}

.hero::after {
  z-index: 1;
}

.hero-layout {
  position: relative;
  z-index: 2;
}

.hero-badges {
  display: grid;
  gap: clamp(14px, 1.8vw, 24px);
  grid-template-columns: repeat(4, minmax(78px, 1fr));
  max-width: 540px;
}

.hero-badges > .trust-marker,
.hero-badges .trust-icon,
.hero-badges .badge-label {
  background: transparent;
  border: 0;
  color: inherit;
  min-height: 0;
  padding: 0;
  text-transform: none;
}

.hero-badges > .trust-marker {
  align-items: center;
  display: grid;
  gap: 9px;
  justify-items: center;
  text-align: center;
}

.hero-badges .trust-icon {
  align-items: center;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  color: var(--white);
  display: inline-flex;
  height: 54px;
  justify-content: center;
  width: 54px;
}

.hero-badges .trust-icon svg {
  fill: none;
  height: 29px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 29px;
}

.hero-badges .badge-label {
  color: rgba(255, 255, 255, 0.94);
  display: block;
  font-size: 15px;
  font-weight: 900;
}

html[lang="zh-CN"] .hero-badges .install-label {
  font-size: 0;
}

html[lang="zh-CN"] .hero-badges .install-label::after {
  content: "施工团队";
  font-size: 15px;
}

@media (min-width: 1081px) {
  .site-header {
    grid-template-areas:
      "top top top"
      "brand slogan actions"
      "brand nav nav";
    grid-template-columns: clamp(250px, 18vw, 286px) minmax(0, 1fr) auto;
    grid-template-rows: 34px 106px 70px;
    gap: 0 38px;
    min-height: 210px;
    padding: 0 clamp(34px, 7vw, 252px);
  }

  .header-topline {
    align-items: center;
    background: #f2f2f2;
    color: #475569;
    display: flex;
    font-size: 14px;
    grid-area: top;
    justify-content: space-between;
    margin: 0 calc(clamp(34px, 7vw, 252px) * -1);
    min-height: 34px;
    padding: 0 clamp(34px, 7vw, 252px);
  }

  .header-topline b {
    color: #c8c8c8;
    font-weight: 400;
    margin: 0 12px;
  }

  .brand {
    align-self: stretch;
    background: #07132c;
    box-shadow: 0 16px 34px rgba(7, 19, 44, 0.28);
    flex-direction: column;
    grid-area: brand;
    justify-content: center;
    position: relative;
    z-index: 3;
  }

  .brand-mark {
    background: transparent;
    color: var(--gold-2);
    font-size: 34px;
    height: auto;
    width: auto;
  }

  .brand strong {
    color: #ffffff;
    font-size: clamp(38px, 3.05vw, 58px);
    line-height: 0.98;
    text-align: center;
  }

  .brand small {
    color: rgba(255, 255, 255, 0.72);
    font-size: 13px;
    margin-top: 8px;
  }

  .header-slogan {
    align-self: center;
    grid-area: slogan;
    min-width: 0;
    padding: 0 0 0 14px;
  }

  .header-slogan p {
    margin: 0;
  }

  .header-slogan-title {
    color: #050b16;
    font-size: clamp(23px, 1.6vw, 34px);
    font-weight: 900;
    line-height: 1.2;
  }

  .header-slogan-title span,
  .header-slogan-copy span {
    color: var(--gold);
  }

  .header-slogan-copy {
    color: #050b16;
    font-size: clamp(19px, 1.28vw, 28px);
    font-weight: 900;
    line-height: 1.35;
    margin-top: 6px;
  }

  .header-actions {
    align-self: center;
    grid-area: actions;
  }

  .header-trust {
    padding-right: 8px;
  }

  .header-trust .trust-tag {
    color: #9b7a4d;
    font-size: 13px;
  }

  .header-trust a {
    color: #9b7a4d;
    font-size: 22px;
    line-height: 1.1;
  }

  .main-nav {
    align-self: end;
    background: #07132c;
    border-top: 1px solid rgba(184, 151, 104, 0.24);
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.18);
    display: flex;
    gap: 0;
    grid-area: nav;
    justify-content: flex-start;
    margin: 0 calc(clamp(34px, 7vw, 252px) * -1) 0 0;
    min-height: 70px;
    padding: 0 clamp(34px, 7vw, 252px) 0 0;
  }

  .main-nav a {
    align-items: center;
    border-bottom: 3px solid transparent;
    color: rgba(255, 255, 255, 0.9);
    display: inline-flex;
    font-size: clamp(16px, 1.2vw, 18px);
    font-weight: 900;
    min-height: 70px;
    padding: 0 clamp(8px, 0.75vw, 14px);
    position: relative;
  }

  .main-nav a + a::before {
    background: rgba(255, 255, 255, 0.22);
    content: "";
    height: 18px;
    left: 0;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
  }

  .main-nav a:first-child {
    background: var(--gold);
    color: #ffffff;
    margin-right: 8px;
    padding-left: clamp(16px, 1.2vw, 24px);
    padding-right: clamp(16px, 1.2vw, 24px);
  }

  .main-nav a:hover,
  .main-nav a:focus-visible {
    color: var(--gold-2);
  }

  .hero-layout {
    grid-template-columns: minmax(420px, 0.92fr) minmax(420px, 1.08fr);
    min-height: clamp(560px, 61vh, 710px);
    padding-top: clamp(64px, 6vw, 96px);
    padding-bottom: clamp(74px, 7vw, 112px);
  }

  .hero h1 {
    color: #ffffff;
    font-size: clamp(48px, 4.55vw, 76px);
    line-height: 1.08;
    max-width: 640px;
  }

  .hero-collage {
    display: block;
    min-height: clamp(500px, 48vw, 650px);
    position: relative;
  }

  .collage-card {
    background: var(--white);
    border: 5px solid rgba(255, 255, 255, 0.92);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.36);
    clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
    margin: 0;
    overflow: hidden;
    position: absolute;
  }

  .collage-card img,
  .collage-main img {
    aspect-ratio: auto;
    height: 100%;
    object-fit: cover;
    transform: scale(1.04);
    width: 100%;
  }

  .collage-card figcaption {
    display: none;
  }

  .collage-main {
    height: clamp(260px, 27vw, 380px);
    left: 30%;
    top: 9%;
    width: clamp(260px, 27vw, 380px);
    z-index: 4;
  }

  .collage-top {
    height: clamp(180px, 19vw, 270px);
    left: 7%;
    top: 22%;
    width: clamp(180px, 19vw, 270px);
    z-index: 3;
  }

  .collage-bottom {
    height: clamp(200px, 21vw, 300px);
    left: 50%;
    top: 43%;
    width: clamp(200px, 21vw, 300px);
    z-index: 5;
  }

  .collage-side {
    height: clamp(170px, 18vw, 260px);
    left: 20%;
    top: 55%;
    width: clamp(170px, 18vw, 260px);
    z-index: 2;
  }
}

@media (max-width: 1080px) {
  .header-topline,
  .header-slogan {
    display: none;
  }

  .site-header {
    grid-template-areas: none;
    min-height: 72px;
    padding: 10px clamp(16px, 2.8vw, 40px);
  }

  .brand,
  .header-actions,
  .main-nav {
    grid-area: auto;
  }

  .hero-collage-arrow,
  .hero-collage-dots {
    display: none;
  }
}

@media (max-width: 720px) {
  .hero-badges {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 320px;
  }
}

/* Final proportion guardrails for stats and certificate blocks. */
.stats-bar-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.stats-bar-grid .stat {
  align-content: center;
  display: grid;
  gap: 14px;
  justify-items: center;
  min-width: 0;
  overflow: hidden;
  padding: clamp(24px, 2.8vw, 36px) clamp(12px, 1.6vw, 22px);
  text-align: center;
}

.stats-bar-grid strong {
  color: var(--gold);
  font-size: clamp(38px, 3.15vw, 54px);
  font-weight: 900;
  line-height: 0.95;
  max-width: 100%;
  white-space: nowrap;
  word-break: keep-all;
}

.stats-bar-grid span {
  color: #647184;
  font-size: clamp(12px, 0.9vw, 14px);
  font-weight: 900;
  line-height: 1.45;
}

.cert-document {
  min-height: 0;
}

@media (max-width: 1080px) {
  .stats-bar-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-bar-grid strong {
    font-size: clamp(38px, 7vw, 56px);
  }
}

@media (max-width: 720px) {
  .stats-bar-grid {
    grid-template-columns: 1fr;
  }

  .stats-bar-grid .stat {
    min-height: 128px;
  }
}

/* Final visual polish: prevent text overflow, soften ratios, and fill document placeholders. */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

.hero-copy,
.hero-title,
.section-heading,
.section-heading h2,
.about-copy,
.project-cases-copy,
.product-card,
.factory-copy,
.inquiry-form,
.site-footer {
  min-width: 0;
}

.hero-title,
.section-heading h2,
.about-copy h2,
.project-cases-copy h2,
.stats-bar-grid strong,
.stats-bar-grid span,
.cert-grid figcaption {
  overflow-wrap: break-word;
  text-wrap: balance;
}

.stats-bar-section {
  background:
    radial-gradient(circle at 18% 0%, rgba(184, 151, 104, 0.12), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f7f8fb 100%);
  color: var(--navy);
  padding: clamp(56px, 7vw, 92px) 20px;
}

.stats-bar-grid {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid #e3e7ee;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(5, minmax(145px, 1fr));
  max-width: min(1180px, calc(100vw - 40px));
  padding: 10px;
}

.stats-bar-grid .stat {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 249, 250, 0.96)),
    linear-gradient(90deg, rgba(184, 151, 104, 0.14), transparent);
  border: 1px solid #e5e9ef;
  border-left: 1px solid #e5e9ef;
  border-radius: 2px;
  min-height: 146px;
  padding: clamp(24px, 2.2vw, 34px) clamp(10px, 1.4vw, 18px);
}

.stats-bar-grid .stat:last-child {
  border-right: 1px solid #e5e9ef;
}

.stats-bar-grid strong {
  color: var(--gold);
  font-size: clamp(36px, 3.1vw, 50px);
  letter-spacing: 0;
  line-height: 0.98;
  white-space: nowrap;
}

.stats-bar-grid .stat:nth-child(2) strong,
.stats-bar-grid .stat:nth-child(4) strong {
  font-size: clamp(34px, 2.8vw, 46px);
}

.stats-bar-grid span {
  color: #4b5563;
  font-size: clamp(12px, 0.86vw, 14px);
  line-height: 1.5;
  max-width: 13em;
}

.cert-grid {
  align-items: stretch;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  max-width: min(1160px, calc(100vw - 40px));
}

.cert-grid figure {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(14px, 1.5vw, 20px);
}

.cert-document {
  background:
    linear-gradient(135deg, rgba(184, 151, 104, 0.14), transparent 28%),
    repeating-linear-gradient(0deg, rgba(15, 23, 42, 0.025) 0 1px, transparent 1px 18px),
    linear-gradient(180deg, #ffffff, #fbfbfa);
  box-shadow:
    inset 0 0 0 12px #ffffff,
    inset 0 0 0 14px #eef1f4,
    0 16px 28px rgba(15, 23, 42, 0.06);
  flex: 1;
  isolation: isolate;
  min-height: 0;
  padding: clamp(28px, 3vw, 40px) clamp(18px, 2.3vw, 28px) clamp(24px, 2.5vw, 32px);
}

.cert-document::after {
  border: 0;
  color: rgba(184, 151, 104, 0.08);
  content: "";
  font-size: clamp(34px, 4vw, 58px);
  font-weight: 900;
  height: auto;
  letter-spacing: 0;
  opacity: 1;
  right: auto;
  top: 48%;
  transform: rotate(-24deg);
  width: auto;
  z-index: 0;
}

.cert-brand,
.cert-title-line,
.cert-type,
.cert-lines,
.cert-seal,
.cert-no {
  position: relative;
  z-index: 1;
}

.cert-lines {
  background:
    linear-gradient(#d7dde5 0 0) 50% 0 / 78% 2px no-repeat,
    linear-gradient(#e2e7ee 0 0) 50% 30% / 64% 2px no-repeat,
    linear-gradient(#d7dde5 0 0) 50% 60% / 72% 2px no-repeat,
    linear-gradient(#e2e7ee 0 0) 50% 100% / 56% 2px no-repeat;
  height: clamp(50px, 5vw, 70px);
}

.cert-seal {
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 0 0 8px rgba(184, 151, 104, 0.06);
}

@media (max-width: 1180px) {
  .stats-bar-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

@media (min-width: 721px) and (max-width: 1390px) {
  .section-heading,
  .about-layout,
  .project-cases-layout,
  .feature-icon-grid,
  .product-center .product-grid,
  .parameter-card,
  .color-grid,
  .scenario-grid,
  .factory-layout,
  .cert-grid,
  .faq-accordion,
  .news-grid,
  .process-timeline,
  .footer-grid,
  .inquiry-form {
    max-width: min(var(--max), calc(100vw - 220px));
  }
}

@media (max-width: 720px) {
  .hero-title {
    font-size: clamp(34px, 10.6vw, 44px);
    line-height: 1.12;
  }

  .section-heading h2,
  .newsletter h2,
  .project-cases-copy h2,
  .about-copy h2 {
    font-size: clamp(32px, 10vw, 46px);
    line-height: 1.08;
  }

  .stats-bar-section {
    padding: 56px 18px;
  }

  .stats-bar-grid {
    gap: 8px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: min(520px, calc(100vw - 36px));
    padding: 8px;
  }

  .stats-bar-grid .stat {
    min-height: 126px;
    padding: 22px 8px;
  }

  .stats-bar-grid .stat:last-child {
    grid-column: 1 / -1;
  }

  .stats-bar-grid strong,
  .stats-bar-grid .stat:nth-child(2) strong,
  .stats-bar-grid .stat:nth-child(4) strong {
    font-size: clamp(30px, 8.4vw, 38px);
  }

  .stats-bar-grid span {
    font-size: 12px;
    max-width: 11em;
  }

  .cert-grid {
    max-width: min(360px, calc(100vw - 36px));
  }

  .cert-grid figcaption {
    min-height: auto;
  }

  .sticky-sidebar {
    bottom: 12px;
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    left: 50%;
    right: auto;
    top: auto;
    transform: translateX(-50%);
    width: min(344px, calc(100vw - 28px));
  }

  .sticky-sidebar a {
    gap: 2px;
    min-height: 48px;
    padding: 6px 4px;
    width: auto;
  }

  .sticky-sidebar span {
    font-size: 13px;
  }

  .sticky-sidebar .whatsapp-icon svg {
    height: 22px;
    width: 22px;
  }

  .sticky-sidebar strong {
    font-size: 10px;
    line-height: 1.1;
  }

  .site-footer {
    padding-bottom: 96px;
  }
}

@media (max-width: 380px) {
  .stats-bar-grid strong,
  .stats-bar-grid .stat:nth-child(2) strong,
  .stats-bar-grid .stat:nth-child(4) strong {
    font-size: clamp(27px, 7.8vw, 32px);
  }
}

/* Product center now mirrors the source-site product wall: concrete models first, all routed to detail pages. */
.product-center .product-grid {
  align-items: stretch;
  display: grid;
  gap: clamp(18px, 2.2vw, 30px);
  grid-auto-rows: auto;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 auto;
  max-width: min(1220px, calc(100vw - 220px));
  min-height: auto;
  overflow: visible;
  position: relative;
}

.product-center .product-grid::before {
  display: none;
}

.product-center .product-card,
.product-center .product-card.product-card-model,
.product-center .product-card.product-card-category {
  background: var(--white);
  border: 1px solid #e0e4ea;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
  color: var(--navy);
  display: flex;
  flex-direction: column;
  grid-column: auto;
  min-height: 100%;
  overflow: hidden;
  position: relative;
  transform: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  z-index: 1;
}

.product-center .product-card:hover,
.product-center .product-card:focus-visible {
  border-color: rgba(184, 151, 104, 0.72);
  box-shadow: 0 26px 64px rgba(15, 23, 42, 0.16);
  transform: translateY(-8px);
}

.product-center .product-card > img,
.product-center .product-grid:not(:hover) .product-card:first-child > img,
.product-center .product-card:hover > img,
.product-center .product-card:focus-visible > img {
  aspect-ratio: 1 / 1;
  background: #fff;
  border: 0;
  border-bottom: 1px solid #eef1f4;
  height: auto;
  left: auto;
  object-fit: contain;
  opacity: 1;
  padding: clamp(18px, 2vw, 30px);
  pointer-events: auto;
  position: static;
  top: auto;
  transform: scale(1);
  transition: transform 0.45s ease;
  width: 100%;
  z-index: auto;
}

.product-center .product-card:hover > img,
.product-center .product-card:focus-visible > img {
  transform: scale(1.08);
}

.product-center .product-grid:hover .product-card:first-child:not(:hover) > img {
  opacity: 1;
}

.product-center .product-card > div {
  background: var(--white);
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: flex-start;
  min-height: auto;
  padding: 18px 18px 20px;
  position: relative;
  transform: none;
  transition: background 0.3s ease;
  z-index: 1;
}

.product-center .product-card:hover > div,
.product-center .product-card:focus-visible > div {
  background: #fbfaf7;
  transform: none;
}

.product-center .product-card strong {
  color: var(--navy);
  display: -webkit-box;
  font-size: clamp(17px, 1.18vw, 21px);
  line-height: 1.28;
  min-height: 2.56em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-center .product-card:hover strong,
.product-center .product-card:focus-visible strong {
  color: var(--gold);
}

.product-center .product-card p,
.product-center .product-card:hover > div > p,
.product-center .product-card:focus-visible > div > p {
  color: #647184;
  display: -webkit-box;
  font-size: 13px;
  line-height: 1.5;
  margin: 10px 0 0;
  min-height: 1.5em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-center .product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  padding: 0;
}

.product-center .product-tags span {
  background: rgba(184, 151, 104, 0.12);
  color: #8a6a3f;
  font-size: 11px;
  font-weight: 900;
  padding: 5px 8px;
}

.product-center .detail-link {
  color: var(--navy);
  font-size: 13px;
  font-weight: 900;
  margin-top: auto;
  padding-top: 16px;
}

@media (min-width: 721px) and (max-width: 1390px) {
  .product-center .product-grid {
    max-width: min(1120px, calc(100vw - 220px));
  }
}

@media (max-width: 1080px) {
  .product-center .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: min(920px, calc(100vw - 44px));
  }
}

@media (max-width: 820px) {
  .product-center .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: min(680px, calc(100vw - 36px));
  }
}

@media (max-width: 540px) {
  .product-center .product-grid {
    grid-template-columns: 1fr;
  }

  .product-center .product-card > img,
  .product-center .product-grid:not(:hover) .product-card:first-child > img,
  .product-center .product-card:hover > img,
  .product-center .product-card:focus-visible > img {
    aspect-ratio: 4 / 3;
  }
}

/* Clean source-site style category grid: image + name only. */
.product-center .product-grid {
  gap: clamp(26px, 3vw, 42px) clamp(26px, 3.2vw, 46px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: min(1360px, calc(100vw - 190px));
}

.product-center .product-card.product-card-category {
  background: transparent;
  border: 0;
  box-shadow: none;
  color: var(--navy);
  display: grid;
  grid-template-rows: auto auto;
  overflow: visible;
  text-align: center;
}

.product-center .product-card.product-card-category:hover,
.product-center .product-card.product-card-category:focus-visible {
  border-color: transparent;
  box-shadow: none;
  transform: translateY(-4px);
}

.product-center .product-card.product-card-category > img,
.product-center .product-grid:not(:hover) .product-card.product-card-category:first-child > img,
.product-center .product-card.product-card-category:hover > img,
.product-center .product-card.product-card-category:focus-visible > img {
  aspect-ratio: 1 / 1.18;
  background: #fff;
  border: 1px solid #d7dbe2;
  box-shadow: none;
  object-fit: contain;
  padding: clamp(22px, 3vw, 46px);
  transform: none;
  width: 100%;
}

.product-center .product-card.product-card-category:hover > img,
.product-center .product-card.product-card-category:focus-visible > img {
  border-color: rgba(184, 151, 104, 0.62);
  transform: scale(1.015);
}

.product-center .product-card.product-card-category > div,
.product-center .product-card.product-card-category:hover > div,
.product-center .product-card.product-card-category:focus-visible > div {
  background: transparent;
  border-bottom: 1px solid #d8dce3;
  display: block;
  min-height: 0;
  padding: 18px 8px 18px;
  transform: none;
}

.product-center .product-card.product-card-category strong {
  color: #5f6570;
  display: block;
  font-size: clamp(17px, 1.15vw, 20px);
  font-weight: 600;
  line-height: 1.35;
  min-height: 0;
  overflow: visible;
  -webkit-line-clamp: initial;
}

.product-center .product-card.product-card-category:hover strong,
.product-center .product-card.product-card-category:focus-visible strong {
  color: var(--gold);
}

@media (min-width: 721px) and (max-width: 1390px) {
  .product-center .product-grid {
    max-width: min(1240px, calc(100vw - 190px));
  }
}

@media (max-width: 1080px) {
  .product-center .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: min(760px, calc(100vw - 44px));
  }
}

@media (max-width: 540px) {
  .product-center .product-grid {
    gap: 24px;
    grid-template-columns: 1fr;
    max-width: min(380px, calc(100vw - 36px));
  }

  .product-center .product-card.product-card-category > img,
  .product-center .product-grid:not(:hover) .product-card.product-card-category:first-child > img,
  .product-center .product-card.product-card-category:hover > img,
  .product-center .product-card.product-card-category:focus-visible > img {
    aspect-ratio: 1 / 1.05;
    padding: 28px;
  }
}

/* Final homepage proportion pass: larger source-site category wall and stronger factory stats. */
.stats-bar-section {
  padding: clamp(76px, 6.4vw, 118px) 20px;
}

.stats-bar-grid {
  gap: 12px;
  max-width: min(1440px, calc(100vw - 220px));
  padding: 12px;
}

.stats-bar-grid .stat {
  min-height: clamp(172px, 10vw, 206px);
  padding: clamp(30px, 2.9vw, 46px) clamp(16px, 1.6vw, 26px);
}

.stats-bar-grid strong {
  font-size: clamp(44px, 3.35vw, 64px);
}

.stats-bar-grid .stat:nth-child(2) strong,
.stats-bar-grid .stat:nth-child(4) strong {
  font-size: clamp(40px, 3.08vw, 58px);
}

.stats-bar-grid span {
  font-size: clamp(13px, 0.92vw, 15px);
}

.product-center {
  padding-top: clamp(104px, 7.2vw, 138px);
  padding-bottom: clamp(112px, 7.6vw, 150px);
}

.product-center .section-heading {
  margin-bottom: clamp(54px, 4.6vw, 82px);
  max-width: min(980px, calc(100vw - 40px));
}

.product-center .section-heading h2 {
  font-size: clamp(48px, 4.5vw, 76px);
}

.product-center .product-grid {
  gap: clamp(34px, 2.8vw, 56px) clamp(36px, 3.3vw, 62px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: min(1560px, calc(100vw - 230px));
}

.product-center .product-card.product-card-category > img,
.product-center .product-grid:not(:hover) .product-card.product-card-category:first-child > img,
.product-center .product-card.product-card-category:hover > img,
.product-center .product-card.product-card-category:focus-visible > img {
  aspect-ratio: 1 / 1.34;
  padding: clamp(18px, 2.05vw, 38px);
}

.product-center .product-card.product-card-category > div,
.product-center .product-card.product-card-category:hover > div,
.product-center .product-card.product-card-category:focus-visible > div {
  padding: clamp(18px, 1.4vw, 24px) 8px clamp(20px, 1.55vw, 28px);
}

.product-center .product-card.product-card-category strong {
  font-size: clamp(20px, 1.22vw, 24px);
  font-weight: 700;
}

@media (min-width: 721px) and (max-width: 1390px) {
  .stats-bar-grid {
    max-width: min(1120px, calc(100vw - 220px));
  }

  .product-center .product-grid {
    max-width: min(1120px, calc(100vw - 220px));
  }
}

@media (max-width: 1080px) {
  .stats-bar-grid {
    max-width: min(900px, calc(100vw - 44px));
  }

  .product-center .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: min(860px, calc(100vw - 44px));
  }
}

@media (max-width: 720px) {
  .stats-bar-grid {
    max-width: min(520px, calc(100vw - 36px));
  }

  .stats-bar-grid .stat {
    min-height: 132px;
  }

  .product-center {
    padding-top: 84px;
    padding-bottom: 92px;
  }

  .product-center .section-heading {
    margin-bottom: 36px;
  }

  .product-center .section-heading h2 {
    font-size: clamp(36px, 11vw, 50px);
  }
}

@media (max-width: 540px) {
  .product-center .product-grid {
    gap: 30px;
    grid-template-columns: 1fr;
    max-width: min(430px, calc(100vw - 30px));
  }

  .product-center .product-card.product-card-category > img,
  .product-center .product-grid:not(:hover) .product-card.product-card-category:first-child > img,
  .product-center .product-card.product-card-category:hover > img,
  .product-center .product-card.product-card-category:focus-visible > img {
    aspect-ratio: 1 / 1.12;
    padding: 24px;
  }
}

/* Lean product detail pages: keep only product-specific information. */
.product-detail-section {
  padding-top: clamp(34px, 4.4vw, 64px);
}

.product-detail-section .product-breadcrumb,
.product-detail-section .product-detail-hero,
.product-detail-section .detail-content-grid {
  max-width: min(1240px, calc(100vw - 72px));
}

.product-detail-section .product-detail-hero {
  align-items: center;
  background: var(--white);
  border: 1px solid #e2e6ec;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.07);
  gap: clamp(26px, 4vw, 58px);
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  padding: clamp(28px, 4vw, 54px);
}

.product-detail-section .product-detail-copy h1 {
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.08;
  margin-bottom: 16px;
}

.product-detail-section .lead {
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.72;
}

.product-detail-section .product-detail-meta,
.product-detail-section .product-tags {
  margin-top: 14px;
}

.product-detail-section .detail-actions {
  margin-top: 22px;
}

.product-detail-section .product-detail-main-image,
.product-detail-section .product-detail-thumbs img {
  object-fit: contain;
}

.product-detail-section .product-detail-main-image {
  aspect-ratio: 4 / 3;
  padding: clamp(18px, 2vw, 30px);
}

.product-detail-section .product-detail-thumbs img {
  aspect-ratio: 16 / 10;
  padding: 12px;
}

.product-detail-section .lean-detail-grid {
  align-items: start;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
  margin-top: 24px;
}

.product-detail-section .lean-detail-grid .overview-panel {
  grid-column: auto;
}

.product-detail-section .lean-detail-grid .model-lineup-panel,
.product-detail-section .lean-detail-grid .product-gallery-panel {
  grid-column: 1 / -1;
}

.product-detail-section .detail-panel {
  min-height: 0;
  padding: clamp(20px, 2vw, 28px);
}

.product-detail-section .detail-panel h2,
.product-detail-section .related-products h2 {
  font-size: clamp(20px, 1.7vw, 26px);
}

.product-detail-section .model-grid {
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-detail-section .model-card {
  background: var(--white);
}

.product-detail-section .model-card img {
  aspect-ratio: 1 / 0.82;
  background: #fff;
  object-fit: contain;
  padding: 18px;
}

.product-detail-section .model-card > div {
  padding: 16px;
}

.product-detail-section .model-card strong {
  font-size: 16px;
  line-height: 1.35;
}

.product-detail-section .model-card .detail-link {
  margin-top: 12px;
}

.product-detail-section .detail-gallery-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-detail-section .detail-gallery-grid img {
  aspect-ratio: 4 / 3;
  background: var(--white);
  border: 1px solid var(--line);
  object-fit: contain;
  padding: 14px;
  width: 100%;
}

@media (max-width: 1080px) {
  .product-detail-section .product-detail-hero,
  .product-detail-section .lean-detail-grid {
    grid-template-columns: 1fr;
  }

  .product-detail-section .model-grid,
  .product-detail-section .detail-gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .product-detail-section .product-breadcrumb,
  .product-detail-section .product-detail-hero,
  .product-detail-section .detail-content-grid {
    max-width: min(520px, calc(100vw - 30px));
  }

  .product-detail-section .product-detail-hero {
    padding: 20px;
  }

  .product-detail-section .model-grid,
  .product-detail-section .detail-gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* First-level category pages are pure second-level product indexes. */
.product-detail-section .category-index-page {
  margin: 0 auto;
  max-width: min(1480px, calc(100vw - 96px));
}

.product-detail-section .category-index-heading {
  margin: 0 auto clamp(34px, 4vw, 64px);
  max-width: 820px;
  text-align: center;
}

.product-detail-section .category-index-heading h1 {
  color: var(--navy);
  font-size: clamp(42px, 5vw, 76px);
  line-height: 1.02;
  margin: 8px 0 14px;
}

.product-detail-section .category-index-heading span {
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.product-detail-section .category-index-page .model-grid {
  gap: clamp(24px, 2.7vw, 42px);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-detail-section .category-index-page .model-card {
  background: transparent;
  border: 0;
  box-shadow: none;
  display: grid;
  grid-template-rows: auto auto;
  overflow: visible;
  text-align: center;
}

.product-detail-section .category-index-page .model-card:hover {
  border-color: transparent;
  box-shadow: none;
  transform: translateY(-4px);
}

.product-detail-section .category-index-page .model-card img {
  aspect-ratio: 1 / 1.08;
  background: var(--white);
  border: 1px solid #d8dde5;
  object-fit: contain;
  padding: clamp(18px, 2.2vw, 34px);
  width: 100%;
}

.product-detail-section .category-index-page .model-card:hover img {
  border-color: rgba(184, 151, 104, 0.62);
  transform: scale(1.012);
}

.product-detail-section .category-index-page .model-card > div {
  background: transparent;
  border-bottom: 1px solid #d8dde5;
  padding: 16px 8px 18px;
}

.product-detail-section .category-index-page .model-card strong {
  color: #56606c;
  display: block;
  font-size: clamp(17px, 1.15vw, 21px);
  font-weight: 700;
  line-height: 1.35;
}

.product-detail-section .category-index-page .model-card:hover strong {
  color: var(--gold);
}

@media (max-width: 1080px) {
  .product-detail-section .category-index-page .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .product-detail-section .category-index-page {
    max-width: min(520px, calc(100vw - 30px));
  }

  .product-detail-section .category-index-heading h1 {
    font-size: clamp(34px, 10vw, 48px);
  }
}

@media (max-width: 540px) {
  .product-detail-section .category-index-page .model-grid {
    grid-template-columns: 1fr;
  }
}

/* Product Center: reference-style left catalog navigation + dynamic grid. */
.product-center .product-center-shell {
  align-items: start;
  display: grid;
  gap: clamp(24px, 3vw, 42px);
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  margin: 0 auto;
  max-width: min(1180px, calc(100vw - 48px));
}

.product-center .product-center-sidebar {
  display: grid;
  gap: 18px;
  position: sticky;
  top: 118px;
}

.product-center .product-sidebar-block {
  background: var(--white);
  border: 1px solid #d9d9d9;
  box-shadow: none;
  overflow: hidden;
}

.product-center .product-sidebar-block h3 {
  background: #b68b4a;
  color: var(--white);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.25;
  margin: 0;
  padding: 18px 22px;
  text-align: center;
}

.product-center .product-category-nav {
  display: grid;
}

.product-center .product-category-link {
  appearance: none;
  background: #eeeeed;
  border: 0;
  border-bottom: 1px solid var(--white);
  color: #4f5965;
  cursor: pointer;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  min-height: 48px;
  padding: 12px 24px;
  text-align: left;
  transition: background-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
  width: 100%;
}

.product-center .product-category-link:hover,
.product-center .product-category-link.active {
  background: var(--white);
  color: #a37739;
  padding-left: 30px;
}

.product-center .product-category-link.active {
  box-shadow: inset 4px 0 0 #b68b4a;
  font-weight: 800;
}

.product-center .product-sidebar-news {
  display: grid;
  padding: 12px 18px 16px;
}

.product-center .product-sidebar-news a {
  border-bottom: 1px dotted #cfd4da;
  color: #5b6672;
  font-size: 14px;
  line-height: 1.45;
  overflow: hidden;
  padding: 12px 4px;
  text-overflow: ellipsis;
  transition: color 0.2s ease, padding-left 0.2s ease;
  white-space: nowrap;
}

.product-center .product-sidebar-news a:hover {
  color: #a37739;
  padding-left: 6px;
}

.product-center .product-content-panel {
  min-width: 0;
}

.product-center .product-content-head {
  align-items: end;
  border-bottom: 1px solid #d9d9d9;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 10px;
}

.product-center .product-content-head h3 {
  color: #4d5662;
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
}

.product-center .product-content-head span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.product-center .product-center-shell .product-grid,
.product-center .product-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  max-width: none;
}

.product-center .product-center-shell .product-grid::before,
.product-center .product-grid::before {
  content: none;
  display: none;
}

.product-center .product-card,
.product-center .product-card.product-card-category,
.product-center .product-card.product-card-model {
  background: var(--white);
  border: 1px solid #d8dde5;
  border-radius: 0;
  box-shadow: none;
  display: grid;
  grid-template-rows: minmax(260px, auto) auto;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  text-align: center;
  transform: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.product-center .product-card:hover,
.product-center .product-card:focus-visible {
  border-color: #b68b4a;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

.product-center .product-card > img,
.product-center .product-card.product-card-category > img,
.product-center .product-card.product-card-model > img,
.product-center .product-grid:not(:hover) .product-card:first-child > img,
.product-center .product-card:hover > img,
.product-center .product-card:focus-visible > img {
  aspect-ratio: 1 / 1;
  background: var(--white);
  border: 0;
  border-radius: 0;
  height: auto;
  max-height: none;
  min-height: 260px;
  object-fit: contain;
  padding: clamp(22px, 3vw, 42px);
  transform: none;
  transition: transform 0.25s ease;
  width: 100%;
}

.product-center .product-card:hover > img,
.product-center .product-card:focus-visible > img {
  transform: scale(1.045);
}

.product-center .product-card > div,
.product-center .product-card.product-card-category > div,
.product-center .product-card.product-card-model > div,
.product-center .product-card:hover > div,
.product-center .product-card:focus-visible > div {
  background: #f1f1f1;
  border: 0;
  min-height: 54px;
  padding: 14px 12px;
  position: static;
  transform: none;
}

.product-center .product-card strong,
.product-center .product-card.product-card-category strong,
.product-center .product-card.product-card-model strong {
  color: #56606c;
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.product-center .product-card:hover strong,
.product-center .product-card:focus-visible strong {
  color: #a37739;
}

.product-center .product-card p,
.product-center .product-tags,
.product-center .detail-link {
  display: none;
}

@media (max-width: 1080px) {
  .product-center .product-center-shell {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .product-center .product-center-shell .product-grid,
  .product-center .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .product-center .product-center-shell {
    grid-template-columns: 1fr;
    max-width: min(620px, calc(100vw - 30px));
  }

  .product-center .product-center-sidebar {
    position: static;
  }

  .product-center .product-category-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-center .product-category-link {
    text-align: center;
  }

  .product-center .product-category-link:hover,
  .product-center .product-category-link.active {
    padding-left: 24px;
  }
}

@media (max-width: 540px) {
  .product-center .product-category-nav,
  .product-center .product-center-shell .product-grid,
  .product-center .product-grid {
    grid-template-columns: 1fr;
  }

  .product-center .product-content-head {
    align-items: start;
    flex-direction: column;
  }

  .product-center .product-card,
  .product-center .product-card.product-card-category,
  .product-center .product-card.product-card-model {
    grid-template-rows: minmax(220px, auto) auto;
  }

  .product-center .product-card > img,
  .product-center .product-card.product-card-category > img,
  .product-center .product-card.product-card-model > img {
    min-height: 220px;
  }
}

/* Product topic pages opened from the top navigation. */
.main-nav a.active {
  background: #b68b4a;
  color: var(--white);
}

.main-nav a:first-child:not(.active) {
  background: transparent;
  margin-right: 0;
}

.product-detail-section .product-topic-page {
  align-items: start;
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  margin: 0 auto;
  max-width: min(1180px, calc(100vw - 48px));
}

.product-detail-section .product-topic-sidebar {
  display: grid;
  gap: 18px;
  position: sticky;
  top: 118px;
}

.product-detail-section .product-sidebar-block {
  background: var(--white);
  border: 1px solid #d9d9d9;
  overflow: hidden;
}

.product-detail-section .product-sidebar-block h3 {
  background: #b68b4a;
  color: var(--white);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.25;
  margin: 0;
  padding: 18px 22px;
  text-align: center;
}

.product-detail-section .product-category-nav {
  display: grid;
}

.product-detail-section .product-category-link {
  background: #eeeeed;
  border-bottom: 1px solid var(--white);
  color: #4f5965;
  display: block;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  min-height: 48px;
  padding: 12px 24px;
  transition: background-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}

.product-detail-section .product-category-link:hover,
.product-detail-section .product-category-link.active {
  background: var(--white);
  color: #a37739;
  padding-left: 30px;
}

.product-detail-section .product-category-link.active {
  box-shadow: inset 4px 0 0 #b68b4a;
  font-weight: 800;
}

.product-detail-section .product-sidebar-news {
  display: grid;
  padding: 12px 18px 16px;
}

.product-detail-section .product-sidebar-news a {
  border-bottom: 1px dotted #cfd4da;
  color: #5b6672;
  font-size: 14px;
  line-height: 1.45;
  overflow: hidden;
  padding: 12px 4px;
  text-overflow: ellipsis;
  transition: color 0.2s ease, padding-left 0.2s ease;
  white-space: nowrap;
}

.product-detail-section .product-sidebar-news a:hover {
  color: #a37739;
  padding-left: 6px;
}

.product-detail-section .product-topic-content {
  min-width: 0;
}

.product-detail-section .product-topic-heading,
.product-detail-section .category-index-heading.product-topic-heading {
  border-bottom: 1px solid #d9d9d9;
  margin: 0 0 18px;
  max-width: none;
  padding-bottom: 10px;
  text-align: left;
}

.product-detail-section .product-topic-heading h1,
.product-detail-section .category-index-heading.product-topic-heading h1 {
  color: #4d5662;
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 6px;
}

.product-detail-section .product-topic-heading span,
.product-detail-section .category-index-heading.product-topic-heading span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.product-detail-section .product-topic-page .model-grid,
.product-detail-section .category-index-page.product-topic-page .model-grid {
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-detail-section .product-topic-page .model-card,
.product-detail-section .category-index-page.product-topic-page .model-card {
  background: var(--white);
  border: 1px solid #d8dde5;
  display: grid;
  grid-template-rows: minmax(260px, auto) auto;
  overflow: hidden;
  text-align: center;
}

.product-detail-section .product-topic-page .model-card:hover {
  border-color: #b68b4a;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

.product-detail-section .product-topic-page .model-card img,
.product-detail-section .category-index-page.product-topic-page .model-card img {
  aspect-ratio: 1 / 1;
  background: var(--white);
  border: 0;
  min-height: 260px;
  object-fit: contain;
  padding: clamp(22px, 3vw, 42px);
}

.product-detail-section .product-topic-page .model-card:hover img {
  border-color: transparent;
  transform: scale(1.045);
}

.product-detail-section .product-topic-page .model-card > div,
.product-detail-section .category-index-page.product-topic-page .model-card > div {
  background: #f1f1f1;
  border-bottom: 0;
  min-height: 54px;
  padding: 14px 12px;
}

.product-detail-section .product-topic-page .model-card strong,
.product-detail-section .category-index-page.product-topic-page .model-card strong {
  color: #56606c;
  font-size: 16px;
  font-weight: 700;
}

.product-detail-section .product-topic-page .model-card:hover strong {
  color: #a37739;
}

@media (max-width: 1080px) {
  .product-detail-section .product-topic-page {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .product-detail-section .product-topic-page .model-grid,
  .product-detail-section .category-index-page.product-topic-page .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .product-detail-section .product-topic-page {
    grid-template-columns: 1fr;
    max-width: min(620px, calc(100vw - 30px));
  }

  .product-detail-section .product-topic-sidebar {
    position: static;
  }

  .product-detail-section .product-category-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-detail-section .product-category-link {
    text-align: center;
  }

  .product-detail-section .product-category-link:hover,
  .product-detail-section .product-category-link.active {
    padding-left: 24px;
  }
}

@media (max-width: 540px) {
  .product-detail-section .product-category-nav,
  .product-detail-section .product-topic-page .model-grid,
  .product-detail-section .category-index-page.product-topic-page .model-grid {
    grid-template-columns: 1fr;
  }

  .product-detail-section .product-topic-page .model-card {
    grid-template-rows: minmax(220px, auto) auto;
  }

  .product-detail-section .product-topic-page .model-card img {
    min-height: 220px;
  }
}

/* Standalone navigation topic pages: cases, news, about. */
.content-topic-section {
  background: var(--gray);
  min-height: 70vh;
  padding: clamp(46px, 6vw, 78px) 0 clamp(72px, 8vw, 110px);
}

.content-topic-section .product-breadcrumb,
.content-topic-header,
.topic-card-grid,
.about-topic-layout,
.topic-stat-grid {
  margin-left: auto;
  margin-right: auto;
  max-width: min(1180px, calc(100vw - 48px));
}

.content-topic-header {
  margin-bottom: clamp(24px, 3vw, 42px);
}

.content-topic-header h1 {
  color: var(--navy);
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.02;
  margin: 8px 0 16px;
}

.content-topic-header p:not(.eyebrow) {
  color: #303942;
  font-size: 18px;
  line-height: 1.8;
  margin: 0;
  max-width: 820px;
}

.topic-card-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.topic-card {
  background: var(--white);
  border: 1px solid #d8dde5;
  color: inherit;
  display: grid;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.topic-card:hover {
  border-color: #b68b4a;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
  transform: translateY(-3px);
}

.scenario-topic-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.topic-card > div,
.capability-topic-card > div {
  padding: 22px;
}

.topic-card strong {
  color: var(--navy);
  display: block;
  font-size: 20px;
  line-height: 1.25;
  margin-bottom: 10px;
}

.topic-card p {
  color: var(--muted);
  line-height: 1.72;
  margin: 0 0 16px;
}

.topic-card span,
.topic-card em {
  color: #a37739;
  font-size: 13px;
  font-style: normal;
  font-weight: 900;
}

.news-topic-card {
  min-height: 230px;
}

.about-topic-layout {
  align-items: center;
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  margin-bottom: 28px;
}

.about-topic-layout figure {
  background: var(--white);
  border: 1px solid #d8dde5;
  margin: 0;
  padding: 12px;
}

.about-topic-layout img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.about-topic-layout figcaption {
  color: var(--muted);
  font-size: 13px;
  padding: 10px 2px 0;
}

.about-topic-copy h2 {
  color: var(--navy);
  font-size: clamp(28px, 3vw, 44px);
  margin: 0 0 18px;
}

.about-topic-copy p {
  color: #303942;
  line-height: 1.8;
}

.topic-stat-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 28px;
}

.topic-stat-grid .stat {
  background: var(--white);
  border: 1px solid #d8dde5;
  padding: 22px;
}

.topic-stat-grid .stat strong {
  color: #b68b4a;
  display: block;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

.topic-stat-grid .stat span {
  color: var(--muted);
  display: block;
  font-weight: 800;
  margin-top: 8px;
}

@media (max-width: 980px) {
  .topic-card-grid,
  .topic-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-topic-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .content-topic-section .product-breadcrumb,
  .content-topic-header,
  .topic-card-grid,
  .about-topic-layout,
  .topic-stat-grid {
    max-width: min(520px, calc(100vw - 30px));
  }

  .topic-card-grid,
  .topic-stat-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile compatibility pass: final overrides for phone and narrow tablet viewing. */
@media (max-width: 900px) {
  body {
    font-size: 15px;
  }

  .site-header {
    gap: 10px;
    grid-template-areas:
      "brand toggle"
      "actions actions"
      "nav nav";
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 0;
    padding: 10px 14px;
  }

  .brand {
    grid-area: brand;
  }

  .brand-mark {
    font-size: 18px;
    height: 38px;
    width: 38px;
  }

  .brand strong {
    font-size: 17px;
  }

  .brand small {
    font-size: 10px;
    white-space: normal;
  }

  .nav-toggle {
    display: inline-flex;
    grid-area: toggle;
  }

  .header-actions {
    align-items: center;
    display: flex;
    gap: 8px;
    grid-area: actions;
    justify-content: space-between;
    min-width: 0;
    width: 100%;
  }

  .header-trust {
    display: none;
  }

  .lang-switch {
    grid-template-columns: repeat(3, minmax(34px, 1fr));
    min-width: 118px;
  }

  .quote-link {
    flex: 1;
    min-height: 38px;
    padding: 0 12px;
  }

  .main-nav {
    background: var(--navy);
    border: 1px solid rgba(184, 151, 104, 0.22);
    box-shadow: 0 18px 38px rgba(15, 23, 42, 0.22);
    display: none;
    gap: 0;
    grid-area: nav;
    grid-template-columns: 1fr;
    margin: 0;
    min-height: 0;
    padding: 6px;
    width: 100%;
  }

  body.nav-open .main-nav {
    display: grid;
  }

  .main-nav a,
  .main-nav a.active {
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.92);
    display: flex;
    font-size: 15px;
    justify-content: center;
    min-height: 44px;
    padding: 0 8px;
    text-align: center;
    white-space: normal;
  }

  .main-nav a.active {
    color: var(--gold-2);
  }

  .section,
  .product-detail-section,
  .content-topic-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section-heading,
  .about-layout,
  .project-cases-layout,
  .feature-icon-grid,
  .product-center .product-grid,
  .parameter-card,
  .color-grid,
  .scenario-grid,
  .factory-layout,
  .cert-grid,
  .faq-accordion,
  .news-grid,
  .process-timeline,
  .footer-grid,
  .inquiry-form,
  .product-center .product-center-shell,
  .product-breadcrumb,
  .product-detail-hero,
  .detail-content-grid,
  .related-products,
  .content-topic-section .product-breadcrumb,
  .content-topic-header,
  .topic-card-grid,
  .about-topic-layout,
  .topic-stat-grid {
    max-width: min(640px, calc(100vw - 32px));
  }

  .hero {
    min-height: 0;
  }

  .hero-layout {
    display: grid;
    gap: 28px;
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 36px 16px 90px;
  }

  .hero-copy-block {
    max-width: none;
  }

  .hero h1,
  .hero-title {
    font-size: clamp(34px, 10vw, 48px);
    line-height: 1.1;
  }

  .hero-copy {
    font-size: 16px;
    line-height: 1.75;
  }

  .hero-actions,
  .detail-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .hero-actions .button,
  .detail-actions .button {
    width: 100%;
  }

  .hero-badges {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: none;
  }

  .hero-collage {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 0;
  }

  .collage-card,
  .collage-main,
  .collage-top,
  .collage-bottom,
  .collage-side {
    border-width: 3px;
    clip-path: none;
    height: auto;
    left: auto;
    position: static;
    top: auto;
    width: auto;
  }

  .collage-card img,
  .collage-main img {
    aspect-ratio: 1 / 1;
    height: auto;
    object-fit: cover;
    transform: none;
  }

  .project-cases-layout,
  .about-layout,
  .factory-layout,
  .product-detail-hero,
  .detail-content-grid,
  .about-topic-layout {
    grid-template-columns: 1fr;
  }

  .scenario-grid,
  .feature-icon-grid,
  .color-grid,
  .news-grid,
  .model-grid,
  .detail-gallery-grid,
  .topic-card-grid,
  .topic-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 260px;
  }

  .process-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: min(640px, calc(100vw - 32px));
    overflow: visible;
  }

  .process-timeline::before {
    display: none;
  }

  .process-step {
    min-height: 0;
    padding: 18px 12px;
  }

  .process-step + .process-step {
    border-left: 0;
    border-top: 1px solid rgba(228, 231, 235, 0.9);
  }

  .process-icon {
    margin-bottom: 10px;
  }

  .step-dot {
    display: none;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .inquiry-form {
    padding: 24px 16px;
  }

  .footer-grid {
    gap: 24px;
    grid-template-columns: 1fr;
  }

  .footer-qr img {
    max-width: 148px;
  }
}

@media (max-width: 620px) {
  .section {
    padding-bottom: 64px;
    padding-top: 64px;
  }

  .section-heading h2,
  .newsletter h2,
  .project-cases-copy h2,
  .about-copy h2,
  .content-topic-header h1 {
    font-size: clamp(30px, 9vw, 40px);
    line-height: 1.12;
  }

  .hero-layout {
    padding-bottom: 78px;
  }

  .hero-collage {
    grid-template-columns: 1fr 1fr;
  }

  .scenario-grid,
  .feature-icon-grid,
  .color-grid,
  .news-grid,
  .cert-grid,
  .model-grid,
  .detail-gallery-grid,
  .topic-card-grid,
  .topic-stat-grid,
  .product-detail-section .product-topic-page .model-grid,
  .product-detail-section .category-index-page.product-topic-page .model-grid,
  .product-center .product-center-shell .product-grid,
  .product-center .product-grid {
    grid-template-columns: 1fr;
  }

  .product-center .product-center-shell,
  .product-detail-section .product-topic-page {
    max-width: min(520px, calc(100vw - 32px));
  }

  .product-center .product-category-nav,
  .product-detail-section .product-category-nav {
    grid-template-columns: 1fr;
  }

  .product-center .product-card > img,
  .product-center .product-card.product-card-category > img,
  .product-center .product-card.product-card-model > img,
  .product-detail-section .product-topic-page .model-card img,
  .product-detail-section .category-index-page.product-topic-page .model-card img {
    min-height: 0;
    padding: 18px;
  }

  .product-options {
    grid-template-columns: 1fr;
  }

  .file-upload-control {
    align-items: stretch;
    flex-direction: column;
  }

  .process-timeline {
    grid-template-columns: 1fr;
    padding: 18px 14px;
  }

  .file-upload-button {
    justify-content: center;
    width: 100%;
  }

  .inquiry-form .button {
    justify-self: stretch;
    width: 100%;
  }
}

@media (max-width: 420px) {
  .site-header {
    padding-left: 10px;
    padding-right: 10px;
  }

  .brand {
    gap: 8px;
  }

  .brand small {
    display: none;
  }

  .header-actions {
    flex-wrap: wrap;
  }

  .lang-switch,
  .quote-link {
    flex: 1 1 100%;
  }

  .hero-badges,
  .hero-collage,
  .stats-bar-grid {
    grid-template-columns: 1fr;
  }

  .sticky-sidebar {
    width: min(320px, calc(100vw - 18px));
  }
}

.file-upload-input {
  height: 1px !important;
  min-height: 0 !important;
  width: 1px !important;
}

@media (max-width: 900px) {
  body.nav-open .main-nav {
    background: var(--navy) !important;
    border-color: rgba(184, 151, 104, 0.28) !important;
  }

  body.nav-open .main-nav a {
    border-bottom-color: rgba(255, 255, 255, 0.1) !important;
    color: rgba(255, 255, 255, 0.92) !important;
  }

  body.nav-open .main-nav a.active {
    background: rgba(184, 151, 104, 0.16) !important;
    color: var(--gold-2) !important;
  }
}
