:root {
  --ink: #edf9fa;
  --muted: #9cb3bd;
  --paper: #061a26;
  --panel: #0a2431;
  --panel-2: #0d2d3b;
  --line: rgba(121, 225, 218, 0.18);
  --accent: #25c7b7;
  --accent-strong: #55e1d4;
  --accent-deep: #087c78;
  --max: 1280px;
  --nav: 74px;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(92, 222, 213, .024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 222, 213, .024) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
  font-family: "Times New Roman", Times, serif;
  font-size: 18px;
  line-height: 1.55;
}

html[lang="zh-CN"] body,
html[lang="zh-Hant"] body {
  font-family: SimSun, "Songti SC", serif;
}

html[lang="ja"] body {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "MS PMincho", serif;
}

html[lang="ko"] body {
  font-family: Batang, "바탕", "AppleMyungjo", serif;
}

html[dir="rtl"] body {
  font-family: Tahoma, Arial, sans-serif;
}

html[dir="rtl"] .hero .eyebrow {
  direction: ltr;
  text-align: right;
}

img,
video {
  display: block;
  max-width: 100%;
}

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

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

button,
a,
input,
select,
textarea {
  border-radius: 8px;
}

:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 14px;
  color: #fff;
  background: var(--accent);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav);
  border-bottom: 1px solid var(--line);
  background: rgba(6, 26, 38, 0.92);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  width: min(calc(100% - 40px), var(--max));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-logo {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  object-fit: cover;
  border: 1px solid rgba(121, 225, 218, .35);
  border-radius: 10px;
  background: #d8faf7;
  box-shadow: 0 8px 24px rgba(0, 122, 132, .18);
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.1;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  font-size: 15px;
}

.nav-links a {
  color: #d5dde4;
}

.nav-links a:hover {
  color: var(--accent-strong);
}

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

.language-menu { position: relative; min-width: 142px; }
.language-menu summary {
  min-height: 42px; padding: 10px 38px 10px 14px; display: flex; align-items: center;
  color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(8,36,45,.92); cursor: pointer; list-style: none; font-size: 14px; white-space: nowrap;
}
.language-menu summary > span:first-child { margin-inline-end: 8px; color: var(--accent-strong); font-size: 12px; }
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu summary::after {
  content: ""; position: absolute; inset-inline-end: 15px; width: 7px; height: 7px;
  border-inline-end: 1px solid var(--accent-strong); border-bottom: 1px solid var(--accent-strong);
  transform: translateY(-2px) rotate(45deg); transition: transform .2s ease;
}
.language-menu[open] summary::after { transform: translateY(2px) rotate(225deg); }
.language-options {
  position: absolute; z-index: 30; inset-block-start: calc(100% + 8px); inset-inline-end: 0;
  width: 220px; padding: 8px; display: grid; grid-template-columns: 1fr; gap: 4px;
  border: 1px solid var(--line); border-radius: var(--radius); background: #08242d;
  box-shadow: 0 18px 50px rgba(1,12,17,.38);
}
.language-options a {
  min-height: 40px; padding: 9px 10px; display: flex; align-items: center; color: #cbd8dd;
  border-radius: calc(var(--radius) - 3px); font-family: inherit;
  font-size: 13px; line-height: 1.2;
}
.language-options a:hover, .language-options a[aria-current="page"] { color: #06242b; background: var(--accent); }
.language-menu summary:focus-visible, .language-options a:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 2px; }

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  color: var(--ink);
  border: 1px solid var(--line);
  background: transparent;
}

.btn {
  min-height: 46px;
  padding: 12px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #04252c;
  border-color: var(--accent);
  background: var(--accent);
}

.btn-primary:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.btn-ghost {
  color: #fff;
  background: rgba(7, 17, 27, .38);
}

.btn-ghost:hover {
  border-color: var(--accent);
}

.btn-whatsapp {
  color: #06231d;
  border-color: #25d366;
  background: #25d366;
}

.btn-whatsapp:hover {
  color: #fff;
  border-color: #15984a;
  background: #15984a;
}

main {
  overflow: hidden;
}

.hero {
  min-height: clamp(650px, 82dvh, 830px);
  display: grid;
  align-items: end;
  position: relative;
  isolation: isolate;
}

.hero-media,
.hero-media::after {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -2;
  overflow: hidden;
  background: var(--paper);
}

.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .58;
}

.hero-media::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(6,26,38,.98) 0%, rgba(6,26,38,.78) 43%, rgba(6,26,38,.34) 72%, rgba(6,26,38,.72) 100%),
    linear-gradient(0deg, var(--paper) 0%, transparent 32%);
}

.hero-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: calc(var(--nav) + 64px) 0 62px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(42px, 5.3vw, 74px);
  font-weight: 600;
  line-height: 1.01;
  letter-spacing: -.045em;
  text-wrap: balance;
}

html[lang="zh-CN"] .hero h1,
html[lang="zh-Hant"] .hero h1 {
  line-height: 1.08;
  letter-spacing: -.04em;
}

html[lang="ja"] .hero h1,
html[lang="ko"] .hero h1 {
  max-width: 980px;
  font-size: clamp(44px, 5.4vw, 78px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.hero-copy {
  max-width: 820px;
  margin: 22px 0 0;
  color: #d2d9e0;
  font-size: clamp(17px, 1.45vw, 20px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.proof-strip {
  border-block: 1px solid var(--line);
  background: rgba(10, 36, 49, .92);
}

.proof-grid {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 1fr);
}

.proof-item {
  min-height: 118px;
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-inline-start: 1px solid var(--line);
}

.proof-item:first-child {
  border-inline-start: 0;
}

.proof-item strong {
  font-size: 19px;
}

.proof-item span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: clamp(38px, 3.4vw, 50px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--nav) + 12px);
}

.product-section {
  padding-top: clamp(34px, 3vw, 44px);
}

.section-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.section-heading {
  max-width: 820px;
  margin-bottom: clamp(22px, 2.5vw, 32px);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 3.7vw, 52px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.section-heading p {
  max-width: 680px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.product-code {
  display: block;
  margin-bottom: 50px;
  color: var(--accent-strong);
  font-size: 12px;
  letter-spacing: .18em;
}

.catalog-portfolio {
  max-width: 1120px;
  margin: 0 auto 18px;
  overflow: hidden;
  border: 1px solid rgba(78, 160, 170, .2);
  border-radius: var(--radius);
  background: var(--panel);
}

.catalog-portfolio img {
  display: block;
  width: 100%;
  height: clamp(210px, 25vw, 350px);
  object-fit: cover;
  object-position: 50% 55%;
}

.catalog-portfolio figcaption {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.catalog-portfolio figcaption span {
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
}

.product-directory {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 30px;
  max-width: 1120px;
  margin: 0 auto;
  background: transparent;
}

.product-family:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.product-family {
  min-height: 156px;
  padding: 18px 8px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  grid-template-rows: auto 1fr auto;
  gap: 12px 16px;
  border-top: 1px solid rgba(78, 160, 170, .2);
  background: transparent;
  transition: background .2s ease, transform .2s ease;
}

.performance-note {
  display: grid;
  grid-template-columns: minmax(180px, .35fr) 1fr;
  gap: 24px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 8px;
  border-top: 1px solid rgba(78, 160, 170, .2);
  background: transparent;
}

.performance-note strong {
  color: var(--accent-strong);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.performance-note p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.whatsapp-box {
  padding: 26px;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 43, 52, .72);
}

.whatsapp-box h3 {
  margin: 0;
  font-size: 26px;
}

.whatsapp-box > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 15px;
}

.direct-contact-actions,
.footer-contact,
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
}

.contact-email,
.footer-contact a,
.social-links a {
  color: var(--accent-strong);
}

.contact-email:hover,
.footer-contact a:hover,
.social-links a:hover {
  color: #fff;
}

.footer-contact,
.social-links {
  margin-top: 18px;
  font-size: 14px;
}

.social-links span[aria-disabled="true"] {
  color: #70828e;
}

.product-family:hover {
  background: rgba(22, 74, 85, .22);
  transform: translateY(-1px);
}

.family-index {
  grid-row: 1 / 4;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

.family-copy h3 {
  margin: 0;
  font-size: clamp(21px, 1.55vw, 24px);
  font-weight: 600;
  line-height: 1.12;
}

.family-copy p {
  max-width: 580px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  line-height: 1.55;
}

.family-types {
  grid-column: 2 / 4;
  align-self: end;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.family-types li {
  padding: 0 11px;
  color: #b8c6cf;
  border-inline-start: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.4;
}

.family-types li:first-child {
  padding-inline-start: 0;
  border-inline-start: 0;
}

.family-link {
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 38px;
  padding: 8px 14px;
  color: var(--accent-strong);
  border: 1px solid rgba(45, 199, 187, .45);
  border-radius: 5px;
  background: rgba(45, 199, 187, .06);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
}

.family-link::after {
  content: "";
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M14 7l5 5-5 5'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M14 7l5 5-5 5'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform .2s ease;
}

.family-link:hover {
  color: #fff;
  border-color: var(--accent-strong);
  background: rgba(45, 199, 187, .14);
  transform: translateY(-1px);
}

.family-link:hover::after {
  transform: translateX(3px);
}

.family-link:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 3px;
}

.catalog-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 8px 0;
  border-top: 1px solid rgba(78, 160, 170, .2);
  background: transparent;
}

.catalog-action p {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.catalog-action .btn {
  flex: 0 0 auto;
}

.process-note {
  margin: 22px 0 0;
  color: #81909b;
  font-size: 13px;
}

.application-list {
  border-top: 1px solid var(--line);
}

.application-row {
  display: grid;
  grid-template-columns: 64px 1fr 1.25fr 36px;
  gap: 20px;
  align-items: center;
  min-height: 98px;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, padding .2s ease;
}

.application-row:hover {
  padding-inline: 18px;
  background: var(--panel);
}

.application-index,
.application-arrow {
  color: var(--accent-strong);
}

/* The former stand-alone diagonal glyphs read like broken controls. */
.application-arrow {
  display: none;
}

.application-row h3 {
  margin: 0;
  font-size: 26px;
  font-weight: 500;
}

.application-row p {
  margin: 0;
  color: var(--muted);
}

.standard-panel {
  display: grid;
  grid-template-columns: 1fr .92fr;
  min-height: 560px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.standard-copy {
  padding: clamp(38px, 6vw, 78px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.standard-copy h2 {
  margin: 0;
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 500;
  line-height: 1;
}

.standard-copy p {
  max-width: 590px;
  color: var(--muted);
}

.standard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.standard-tags span {
  padding: 9px 13px;
  color: #d8e0e6;
  border: 1px solid var(--line);
  font-size: 13px;
}

.standard-media {
  position: relative;
  min-height: 420px;
  overflow: hidden;
}

.standard-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.75);
}

.standard-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-inline-start: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(7,17,27,.5), transparent);
}

.material-evidence {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.material-card {
  background: var(--panel);
}

.material-card-image {
  height: 300px;
  overflow: hidden;
  background: #050c13;
}

.material-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.material-card:hover img {
  transform: scale(1.02);
}

.material-card-copy {
  padding: 30px;
}

.material-card-copy .product-code {
  margin-bottom: 22px;
}

.material-card-copy h3 {
  margin: 0;
  font-size: 27px;
  font-weight: 500;
}

.material-card-copy p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.material-footnote {
  margin: 20px 0 0;
  color: #81909b;
  font-size: 13px;
}

.process-gallery {
  display: grid;
  grid-template-columns: 1.08fr .96fr .96fr;
  grid-template-rows: 260px;
  gap: 12px;
  margin-bottom: 30px;
}

.process-gallery figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.process-gallery figure:first-child {
  grid-row: auto;
}

.process-gallery figure:last-child {
  grid-column: auto;
}

.process-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.82) contrast(1.04);
  transition: transform .5s ease;
}

.process-gallery figure:nth-child(1) img {
  object-position: 50% 28%;
}

.process-gallery figure:nth-child(2) img {
  object-position: 50% 36%;
}

.process-gallery figure:nth-child(3) img {
  object-position: 50% 34%;
}

.process-gallery figure:hover img {
  transform: scale(1.025);
}

.process-gallery figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 28px 18px 14px;
  color: #fff;
  background: linear-gradient(transparent, rgba(6,26,38,.92));
  font-size: 13px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.process-step {
  min-height: 224px;
  padding: 26px 24px 30px;
  background: var(--panel);
}

.process-step span {
  color: var(--accent-strong);
  font-size: 12px;
  letter-spacing: .16em;
}

.process-step h3 {
  margin: 24px 0 10px;
  font-size: 21px;
  font-weight: 500;
}

.process-step p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.quality-heading { max-width: 880px; }
.quality-heading h2 { margin: 0; font-size: clamp(36px, 3.8vw, 52px); font-weight: 500; line-height: 1.06; }
.quality-heading > p:last-child { max-width: 680px; color: var(--muted); }
.quality-pillars {
  margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.quality-pillar { min-height: 190px; padding: 22px 24px; background: var(--panel); }
.quality-pillar > span { color: var(--accent-strong); font-size: 13px; letter-spacing: .14em; }
.quality-pillar h3 { margin: 18px 0 8px; font-size: 22px; font-weight: 500; }
.quality-pillar p { margin: 0; color: var(--muted); font-size: 15px; }
.certificate-grid { margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.certificate-card { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.certificate-card a { height: 300px; padding: 14px; display: block; background: #edf2f1; }
.certificate-card img { width: 100%; height: 100%; object-fit: contain; }
.certificate-card figcaption { min-height: 92px; padding: 16px 18px; display: grid; gap: 7px; }
.certificate-card figcaption span { color: var(--accent-strong); font-size: 10px; letter-spacing: .15em; }
.certificate-card figcaption strong { font-size: 15px; font-weight: 500; }
.certificate-note { margin: 18px 0 0; color: var(--muted); font-size: 13px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 330px 330px;
  gap: 12px;
}

.gallery figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
}

.gallery figure:first-child, .gallery figure:last-child { grid-row: auto; grid-column: auto; }

.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery figure:first-child img { object-position: 50% 46%; }

.gallery figure:hover img {
  transform: scale(1.025);
}

.gallery figcaption {
  position: absolute;
  inset: auto 0 0;
  padding: 14px 16px;
  color: #fff;
  background: linear-gradient(transparent, rgba(7,17,27,.88));
  font-size: 13px;
}

.rfq {
  background: var(--panel);
}

.rfq-layout {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(500px, 1.22fr);
  gap: clamp(34px, 5vw, 74px);
  align-items: start;
}

.rfq-copy h2 {
  margin: 0;
  font-size: clamp(38px, 4.1vw, 56px);
  font-weight: 500;
  line-height: 1;
}

.rfq-layout form {
  grid-column: 2;
  grid-row: 1 / 3;
}

.rfq-layout .whatsapp-box {
  grid-column: 1;
}

.rfq-copy p {
  color: var(--muted);
}

.response-note {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: #ccd5dc;
  font-size: 15px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label {
  color: #cdd6dc;
  font-size: 13px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  background: #081521;
}

.field textarea {
  min-height: 130px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #6f7c88;
}

.form-footer {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.form-status {
  min-height: 24px;
  color: var(--accent-strong);
  font-size: 14px;
}

.location {
  padding: 0;
  scroll-margin-top: calc(var(--nav) + 12px);
}

.map-header {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 50px 0 28px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
}

.map-header h2 {
  margin: 0;
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 500;
}

.map-header p {
  max-width: 510px;
  margin: 0;
  color: var(--muted);
}

.map-frame {
  width: 100%;
  height: 520px;
  display: block;
  border: 0;
  filter: grayscale(.72) contrast(1.06) brightness(.78);
}

.site-footer {
  padding: 58px 0 30px;
  background: #050c13;
}

.mobile-rfq {
  display: none;
}

.footer-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.footer-top h3 {
  margin: 0 0 16px;
  font-size: 17px;
}

.footer-top p,
.footer-top a {
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  color: #768490;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1080px) {
  .nav-links {
    gap: 18px;
  }

  .nav-links a:nth-child(3),
  .nav-links a:nth-child(4) {
    display: none;
  }

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

  .proof-item:nth-child(3) {
    border-inline-start: 0;
    border-top: 1px solid var(--line);
  }

  .proof-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .standard-panel,
  .material-evidence,
  .quality-wrap,
  .rfq-layout {
    grid-template-columns: 1fr;
  }

  .rfq-layout form,
  .rfq-layout .whatsapp-box {
    grid-column: auto;
    grid-row: auto;
  }

  .standard-media {
    order: -1;
  }

  .quality-sticky {
    position: static;
  }

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

  .process-gallery {
    grid-template-columns: 1.08fr .96fr .96fr;
    grid-template-rows: 230px;
  }

  .process-gallery figure:first-child {
    grid-column: auto;
    grid-row: auto;
  }

  .process-gallery figure:last-child {
    grid-column: auto;
  }
}

@media (max-width: 760px) {
  :root {
    --nav: 64px;
  }

  body {
    font-size: 16px;
  }

  .hero-media {
    background: var(--paper);
  }

  .hero-media video {
    display: block;
    object-position: 52% center;
  }

  .hero-media::after {
    background:
      linear-gradient(90deg, rgba(6,26,38,.94) 0%, rgba(6,26,38,.73) 68%, rgba(6,26,38,.48) 100%),
      linear-gradient(0deg, var(--paper) 0%, transparent 34%);
  }

  .nav-wrap {
    width: min(calc(100% - 28px), var(--max));
  }

  .brand-text {
    display: none;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav-links {
    position: fixed;
    inset: var(--nav) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 22px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a,
  .nav-links a:nth-child(3),
  .nav-links a:nth-child(4) {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-quote {
    display: none;
  }

  .language-menu { min-width: 108px; }
  .language-menu summary { padding-inline: 10px 30px; }
  .language-options { width: 190px; grid-template-columns: 1fr; max-height: 420px; overflow-y: auto; }

  .hero-inner,
  .section-inner,
  .map-header,
  .footer-inner {
    width: min(calc(100% - 28px), var(--max));
  }

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

  .hero h1 {
    font-size: clamp(38px, 11vw, 56px);
    line-height: 1.08;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-actions {
    margin-bottom: 36px;
  }

  .section {
    padding: 30px 0;
  }

  .section-heading {
    margin-bottom: 20px;
  }

  .section-heading h2,
  .quality-heading h2 {
    font-size: clamp(32px, 9vw, 42px);
    line-height: 1.08;
  }

  .proof-grid,
  .form-grid,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .material-evidence,
  .product-directory,
  .process-grid,
  .quality-pillars,
  .certificate-grid,
  .gallery {
    display: grid;
    grid-template-columns: none;
    grid-template-rows: none;
    grid-auto-flow: column;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .material-evidence::-webkit-scrollbar,
  .product-directory::-webkit-scrollbar,
  .process-grid::-webkit-scrollbar,
  .quality-pillars::-webkit-scrollbar,
  .certificate-grid::-webkit-scrollbar,
  .gallery::-webkit-scrollbar {
    display: none;
  }

  .material-card,
  .product-family,
  .process-step,
  .quality-pillar,
  .certificate-card,
  .gallery figure {
    scroll-snap-align: start;
  }

  .material-evidence {
    display: flex;
    gap: 12px;
    padding: 0 28px 8px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    scroll-padding-inline: 0 28px;
  }

  .material-card {
    flex: 0 0 min(86%, 410px);
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
  }

  .material-card-image {
    height: 220px;
  }

  .material-card-copy {
    padding: 22px;
  }

  .material-card-copy .product-code {
    margin-bottom: 12px;
  }

  .material-card-copy h3 {
    font-size: clamp(27px, 7.6vw, 34px);
    line-height: 1.08;
  }

  .material-card-copy p {
    font-size: 15px;
    line-height: 1.55;
  }

  .proof-item,
  .proof-item:nth-child(2),
  .proof-item:nth-child(4) {
    border-inline-start: 0;
    border-top: 1px solid var(--line);
  }

  .proof-item:first-child {
    border-top: 0;
  }

  .catalog-portfolio img {
    height: 176px;
    object-position: 50% 52%;
  }

  .catalog-portfolio figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    padding: 12px 14px;
  }

  .product-family {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    min-height: 320px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
  }

  .product-directory {
    grid-auto-columns: min(86vw, 420px);
    gap: 12px;
  }

  .product-family:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .performance-note {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 18px 4px;
  }

  .family-index {
    position: absolute;
    inset: 20px 20px auto auto;
    line-height: 1;
  }

  [dir="rtl"] .family-index {
    inset: 20px auto auto 20px;
  }

  .family-copy {
    padding-inline-end: 34px;
  }

  .family-types {
    margin-top: auto;
    padding-top: 22px;
  }

  .family-link {
    align-self: center;
    margin-top: 20px;
    min-width: 156px;
  }

  .catalog-action {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 4px 0;
  }

  .process-gallery {
    grid-template-columns: none;
    grid-template-rows: 220px;
    grid-auto-flow: column;
    grid-auto-columns: min(86vw, 410px);
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .process-gallery figure:first-child,
  .process-gallery figure:last-child {
    grid-column: auto;
    grid-row: auto;
  }

  .process-gallery figure {
    scroll-snap-align: start;
  }

  .process-gallery::-webkit-scrollbar {
    display: none;
  }

  .application-row {
    grid-template-columns: 42px 1fr 30px;
    gap: 12px;
    min-height: 100px;
  }

  .application-row p {
    display: none;
  }

  .application-row h3 {
    font-size: 20px;
  }

  .process-step {
    min-height: 300px;
    padding: 24px 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
  }

  .process-grid {
    grid-auto-columns: min(84vw, 390px);
    gap: 12px;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .quality-pillars {
    grid-auto-columns: min(82vw, 380px);
    gap: 12px;
    margin-top: 18px;
    border: 0;
    background: transparent;
  }

  .quality-pillar {
    min-height: 230px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
  }

  .quality-pillar h3 { margin-top: 16px; }

  .certificate-grid {
    display: flex;
    gap: 12px;
    padding: 0 54px 8px 0;
    scroll-padding-inline: 0 54px;
  }

  .certificate-card {
    flex: 0 0 min(78%, 350px);
  }

  .certificate-card a { height: 280px; }

  .gallery {
    grid-auto-columns: min(86vw, 410px);
    grid-template-rows: 250px;
    gap: 12px;
  }

  .gallery figure:first-child, .gallery figure:last-child { grid-column: auto; }

  .field-full {
    grid-column: auto;
  }

  .map-header {
    align-items: start;
    flex-direction: column;
  }

  .map-frame {
    height: 420px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .mobile-rfq {
    display: none;
  }

  .site-footer {
    padding-bottom: 0;
  }
}

@media (max-width: 520px) {
  .certificate-grid { grid-template-columns: none; display: flex; }
  .certificate-card a { height: 270px; }
  .gallery { grid-template-columns: none; grid-template-rows: 235px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  [data-hero-video] { animation: none !important; }
}

.error-page {
  min-height: 100dvh;
  background: #061a26;
}

.error-shell {
  min-height: 100dvh;
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  align-content: center;
  gap: 24px;
  padding: 64px 0;
}

.error-shell .brand {
  width: max-content;
  margin-bottom: 36px;
}

.error-shell h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(44px, 7vw, 88px);
  line-height: .96;
}

.error-shell > p:not(.eyebrow) {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.65;
}


/* V11 indexable product pages */
.subpage-main { background: var(--paper); }
.subpage-hero { padding: clamp(132px, 15vw, 190px) 0 clamp(70px, 8vw, 112px); position: relative; overflow: hidden; }
.subpage-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(6,26,38,.98), rgba(6,26,38,.80)), url("/assets/factory-entrance.webp") center / cover no-repeat; }
.subpage-hero .section-inner { position: relative; z-index: 1; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .9rem; margin-bottom: 26px; }
.breadcrumb a { color: var(--accent-strong); }
.subpage-hero h1 { max-width: 920px; margin: 0; font-size: clamp(2.7rem, 6vw, 5.8rem); line-height: .98; letter-spacing: -.045em; }
.subpage-lead { max-width: 760px; margin: 28px 0 0; font-size: clamp(1.05rem, 1.8vw, 1.3rem); line-height: 1.7; color: var(--muted); }
.subpage-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.content-prose { max-width: 760px; }
.content-prose h2 { font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.05; margin: 0 0 24px; }
.content-prose h3 { margin: 36px 0 12px; font-size: 1.35rem; }
.content-prose p, .content-prose li { color: var(--muted); line-height: 1.8; }
.content-prose ul { padding-left: 1.2rem; }
.spec-panel { border: 1px solid var(--line); background: var(--panel); padding: 28px; position: sticky; top: calc(var(--nav) + 24px); }
.spec-panel h2 { margin: 0 0 18px; font-size: 1.35rem; }
.spec-panel ul { list-style: none; padding: 0; margin: 0 0 24px; }
.spec-panel li { padding: 11px 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.range-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 34px; }
.range-card { border: 1px solid var(--line); background: var(--panel); padding: 26px; min-height: 230px; display: flex; flex-direction: column; }
.range-card h2, .range-card h3 { margin: 0 0 14px; font-size: 1.35rem; }
.range-card p { color: var(--muted); line-height: 1.65; }
.range-card .family-link { margin-top: auto; }
.subpage-image { margin-top: 42px; border: 1px solid var(--line); overflow: hidden; }
.subpage-image img { width: 100%; height: min(62vw, 620px); object-fit: cover; display: block; }
.related-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.related-links a { border: 1px solid var(--line); padding: 11px 14px; color: var(--ink); }
@media (max-width: 920px) { .content-layout { grid-template-columns: 1fr; } .spec-panel { position: static; } .range-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .subpage-hero { padding-top: 108px; } .subpage-hero h1 { font-size: clamp(2.5rem, 13vw, 4.2rem); } .range-grid { grid-template-columns: 1fr; } .subpage-actions .btn { width: 100%; } }
