:root {
  --navy-950: #092634;
  --navy-900: #103c4d;
  --blue-600: #176779;
  --teal-500: #57bfbc;
  --ink-900: #132d39;
  --ink-700: #526770;
  --ink-500: #75878c;
  --line: #dce4e4;
  --mist: #f3f5f3;
  --gutter: max(5vw, calc((100vw - 1440px) / 2));
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 102px; }
body { margin: 0; color: var(--ink-900); background: #fff; font-family: "Segoe UI Variable", "Microsoft YaHei UI", "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.045em; }
h1, h2 { font-weight: 650; }
h2 { margin-bottom: 24px; font-size: clamp(2.4rem, 3.7vw, 3.8rem); text-wrap: balance; }
h3 { margin-bottom: 16px; font-size: 1.65rem; font-weight: 650; }
p { color: var(--ink-700); }
:focus-visible { outline: 3px solid var(--teal-500); outline-offset: 5px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 200; padding: 12px 20px; background: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

/* Navigation */
.site-header { position: sticky; z-index: 100; top: 0; background: rgba(255,255,255,.96); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(9,38,52,.08); }
.site-header::after { position: absolute; inset: auto 0 -1px; height: 2px; background: var(--teal-500); content: ""; transform: scaleX(var(--scroll-progress, 0)); transform-origin: left; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; height: 88px; margin: 0 var(--gutter); transition: height .25s ease; }
.site-header.is-scrolled .header-inner { height: 72px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; text-decoration: none; }
.brand-logo { width: 154px; height: auto; }
.desktop-nav { display: flex; align-items: center; gap: clamp(19px, 2.2vw, 36px); margin-left: auto; }
.desktop-nav a { position: relative; padding: 10px 0; font-size: .85rem; font-weight: 600; text-decoration: none; white-space: nowrap; }
.desktop-nav a::after { position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--blue-600); content: ""; transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.desktop-nav a:hover::after, .desktop-nav a[aria-current="location"]::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language { width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink-900); font-size: .75rem; font-weight: 700; }
.language:hover { background: var(--mist); }
.menu-button { display: none; width: 44px; height: 44px; padding: 10px; border: 0; background: transparent; color: var(--ink-900); }
.menu-button span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: currentColor; transition: transform .2s, opacity .2s; }
.menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { position: fixed; top: 88px; left: 0; right: 0; height: calc(100dvh - 88px); padding: 20px var(--gutter) 40px; overflow-y: auto; background: #fff; }
.is-scrolled .mobile-nav { top: 72px; height: calc(100dvh - 72px); }
.mobile-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 1.45rem; }

/* Shared elements */
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; color: var(--blue-600); font-size: .67rem; font-weight: 700; line-height: 1.6; letter-spacing: .15em; }
.eyebrow::before { width: 24px; height: 2px; flex: 0 0 24px; background: currentColor; content: ""; }
.eyebrow-light { color: #92d5cf; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 52px; padding: 12px 25px; border: 1px solid transparent; border-radius: 3px; text-decoration: none; font-size: .9rem; font-weight: 650; line-height: 1.4; transition: background .2s, transform .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue-600); color: #fff; }
.button-primary:hover { background: var(--navy-900); }
.button-secondary { border-color: #b4c3c6; color: var(--navy-950); background: transparent; }
.button-secondary:hover { background: #f1f6f5; }
.button-light { background: #fff; color: var(--navy-950); }
.button-light:hover { background: #d6eee9; }
.text-link, .text-button, .catalog-more { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; padding: 10px 0; border: 0; border-bottom: 1px solid #9cbbbe; color: var(--blue-600); background: transparent; font-size: .88rem; font-weight: 650; text-decoration: none; }
.text-link span, .catalog-more span { transition: transform .2s; }
.text-link:hover span, .catalog-more:hover span { transform: translate(2px, 2px); }
.text-link-light { color: #d8eeec; border-color: #537680; }
.section, .numbers, .quality, .history { padding: clamp(88px, 8.5vw, 138px) var(--gutter); }
.section-heading { margin-bottom: 54px; max-width: 850px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading-split { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 9vw; max-width: none; }
.section-heading-split > p { margin-bottom: 2px; max-width: 440px; font-size: .95rem; }
.site-photo { display: block; overflow: hidden; background: var(--mist); }
.site-photo img { width: 100%; height: 100%; object-fit: cover; }

/* Hero */
.hero { display: grid; grid-template-columns: .94fr 1.06fr; min-height: 660px; color: #fff; background: var(--navy-950); }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 78px 58px 40px var(--gutter); }
.hero-copy > .eyebrow { margin-bottom: 32px; color: #9fd3ce; font-size: .62rem; }
.hero h1 { margin: 0 0 28px; font-size: clamp(3.2rem, 4.65vw, 5rem); line-height: 1.13; letter-spacing: -.055em; }
.hero h1 span { display: block; }
.hero h1 span:last-child { color: #b6dbd5; }
.hero-summary { max-width: 470px; margin-bottom: 32px; color: #b9cbd1; font-size: .96rem; line-height: 1.95; }
.hero .button-primary { background: #d4ece5; color: var(--navy-950); }
.hero .button-primary:hover { background: #fff; }
.hero .button-secondary { color: #fff; border-color: #526b75; }
.hero .button-secondary:hover { background: #244350; }
.hero-scroll { display: flex; align-items: center; gap: 12px; align-self: flex-start; margin-top: 58px; color: #a5bcc4; text-decoration: none; font-size: .7rem; letter-spacing: .05em; }
.hero-scroll span { display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid #45606d; border-radius: 50%; font-size: 1rem; }
.hero-visual { position: relative; min-width: 0; margin: 18px 18px 18px 0; overflow: hidden; border-radius: 3px 3px 3px 70px; background: #e7eef0; }
.hero-image { width: 100%; height: 100%; min-height: 630px; object-fit: cover; object-position: 52% center; }
.hero-visual-caption { position: absolute; bottom: 30px; left: 32px; right: 28px; display: flex; justify-content: space-between; gap: 20px; color: #335262; font-size: .57rem; font-weight: 700; letter-spacing: .12em; }
.hero-visual-caption span:last-child { text-align: right; }
.capability-strip { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 32px var(--gutter); border-bottom: 1px solid var(--line); }
.capability-strip > p { max-width: 140px; margin: 0; color: var(--ink-500); font-size: .66rem; font-weight: 700; line-height: 1.8; letter-spacing: .14em; }
.capability-strip dl { display: flex; gap: clamp(50px, 7vw, 110px); margin: 0; }
.capability-strip dl div { display: flex; flex-direction: column; }
.capability-strip dt { color: var(--ink-500); font-size: .7rem; }
.capability-strip dd { order: -1; margin: 0; font-size: 2rem; line-height: 1.2; font-weight: 600; letter-spacing: -.05em; }
.capability-strip > a { display: flex; align-items: center; gap: 26px; font-size: .75rem; text-decoration: none; }
.capability-strip > a span { font-size: 1.4rem; }

/* Company */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 8vw; }
.about-visual { position: relative; padding: 0 32px 32px 0; }
.about-media { aspect-ratio: 4 / 3; border-radius: 3px; }
.about-media img { object-position: left center; }
.about-stamp { position: absolute; right: 0; bottom: 0; display: flex; flex-direction: column; width: 180px; padding: 26px; color: #fff; background: var(--navy-900); box-shadow: 0 16px 40px rgba(9,38,52,.12); }
.about-stamp strong { font-size: 2.9rem; line-height: 1.25; font-weight: 500; letter-spacing: -.06em; }
.about-stamp span { margin-top: 8px; color: #b7d7da; font-size: .7rem; }
.about-copy .section-heading { margin-bottom: 30px; }
.about-copy h2 { font-size: clamp(2.25rem, 3.3vw, 3.2rem); }
.about-copy p { font-size: .93rem; }
.about-copy .lead { color: var(--ink-900); font-size: 1.07rem; }
.expertise-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 24px; }
.expertise-tags span { padding: 5px 12px; border: 1px solid var(--line); font-size: .7rem; color: var(--ink-700); }

/* Product portfolio */
.products { background: #f3f5f3; }
.product-showcase { aspect-ratio: 8 / 3; margin: 0 0 36px; border-radius: 3px; background: transparent; }
.product-showcase img { object-fit: contain; object-position: center; }
.product-filter { display: flex; gap: 28px; flex-wrap: wrap; margin-bottom: 30px; border-bottom: 1px solid #d5dfdc; }
.product-filter button { position: relative; min-height: 50px; padding: 10px 3px; border: 0; background: transparent; color: var(--ink-500); font-size: .87rem; white-space: nowrap; }
.product-filter button::after { position: absolute; bottom: -1px; left: 0; right: 0; height: 2px; background: var(--navy-950); content: ""; transform: scaleX(0); transition: transform .2s; }
.product-filter button.is-active { color: var(--navy-950); font-weight: 700; }
.product-filter button.is-active::after, .product-filter button:hover::after { transform: scaleX(1); }
.product-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.product-card { --product-tint: #e7f0ed; min-width: 0; overflow: hidden; border: 1px solid #e1e8e4; border-radius: 4px; background: #fff; transition: transform .25s, box-shadow .25s; }
.product-card:nth-child(2) { --product-tint: #e3ebf5; }
.product-card:nth-child(3), .product-card:nth-child(4) { --product-tint: #edf1df; }
.product-card:nth-child(5) { --product-tint: #f5e7e4; }
.product-card:nth-child(6) { --product-tint: #ece6f3; }
.product-card:nth-child(7), .product-card:nth-child(10) { --product-tint: #f5eedc; }
.product-card:nth-child(8) { --product-tint: #f1ede5; }
.product-card:nth-child(9) { --product-tint: #eee6e1; }
.product-card.is-hidden { display: none; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(9,38,52,.08); }
.product-image { position: relative; aspect-ratio: 1; overflow: hidden; background: linear-gradient(145deg, #fafbf9, var(--product-tint)); }
.product-image img { width: 100%; height: 100%; object-fit: contain; transform: scale(1.07); transition: transform .4s; }
.product-card:hover img { transform: scale(1.12); }
.product-image > span { position: absolute; top: 14px; left: 16px; z-index: 1; color: #657780; font-size: .62rem; letter-spacing: .1em; }
.product-card > div:last-child { padding: 20px 20px 23px; }
.product-card > div:last-child > span { color: var(--ink-500); font-size: .65rem; letter-spacing: .04em; }
.product-card h3 { margin: 5px 0 0; font-size: 1.12rem; letter-spacing: -.015em; }
.catalog-more { margin-top: 30px; }
.product-support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 72px; }
.specification-card { display: flex; flex-direction: column; justify-content: center; padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: 4px; }
.specification-image { margin-bottom: 28px; background: #fff; }
.specification-image img { height: auto; object-fit: contain; }
.specification-copy { padding: 0 12px 12px; }
.specification-copy .eyebrow { margin-bottom: 18px; }
.specification-copy p { font-size: .9rem; }
.size-references { display: flex; gap: 36px; margin: 26px 0; }
.size-references > span { font-size: 2rem; line-height: 1; font-weight: 550; letter-spacing: -.05em; }
.size-references small { padding-left: 5px; color: var(--ink-500); font-size: .67rem; font-weight: 400; letter-spacing: 0; }
.custom-card { padding: 44px; border-radius: 4px; color: #fff; background: var(--navy-900); }
.custom-card h3 { max-width: 460px; font-size: clamp(1.7rem, 2.6vw, 2.6rem); }
.custom-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 34px 0; padding: 0; list-style: none; }
.custom-steps li { padding-top: 14px; border-top: 1px solid #54717d; font-size: .84rem; }
.custom-steps span { display: block; margin-bottom: 10px; color: #85c9c5; font-size: .65rem; }
.custom-note { margin-bottom: 26px; color: #bed3d8; font-size: .78rem; }
.custom-card .button-row { gap: 18px; }
.custom-card .button { padding-inline: 20px; }
.custom-card .text-link { font-size: .77rem; }

/* Capability facts and technology */
.numbers { color: #fff; background: var(--navy-950); }
.numbers-intro { display: grid; grid-template-columns: 1.2fr .8fr; column-gap: 10vw; align-items: end; }
.numbers-intro .eyebrow { grid-column: 1 / -1; }
.numbers-intro h2 { max-width: 720px; margin-bottom: 0; }
.numbers-intro > p:last-child { margin-bottom: 0; font-size: .94rem; }
.numbers p { color: #adc5ce; }
.number-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 62px; padding: 38px 0; border-block: 1px solid #34515f; }
.number-grid article { padding: 0 30px; border-right: 1px solid #34515f; }
.number-grid article:first-child { padding-left: 0; }
.number-grid article:last-child { border-right: 0; }
.number-grid strong { display: block; margin-bottom: 12px; font-size: clamp(3rem, 5.4vw, 5.4rem); line-height: 1.1; letter-spacing: -.06em; font-weight: 450; }
.number-grid span { color: #aac1ca; font-size: .8rem; }
.advantage-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px; margin-top: 45px; }
.advantage-grid article > span { color: #72bfbf; font-size: .6rem; letter-spacing: .1em; }
.advantage-grid h3 { margin: 18px 0 10px; font-size: 1.18rem; }
.advantage-grid p { margin: 0; font-size: .82rem; }
.technologies { background: #fff; }
.technology-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.technology-grid article { min-width: 0; border-top: 1px solid var(--line); }
.technology-media { display: grid; place-items: center; aspect-ratio: 1.12; margin-bottom: 26px; background: #f4f7f5; overflow: hidden; }
.technology-media img { width: 80%; height: auto; transition: transform .5s; }
.technology-grid article:hover img { transform: translateY(-6px) rotate(-3deg); }
.technology-copy > span { color: var(--ink-500); font-size: .67rem; }
.technology-copy h3 { margin: 12px 0 14px; font-size: clamp(1.2rem, 1.7vw, 1.6rem); letter-spacing: -.03em; }
.technology-copy p { margin: 0; font-size: .86rem; }

/* Manufacturing and quality */
.facilities { background: #f0f3f1; }
.facility-summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.facility-summary-card { overflow: hidden; border: 1px solid var(--line); border-radius: 3px; background: #fff; }
.facility-media { aspect-ratio: 4 / 3; }
.facility-media img { object-fit: contain; }
.facility-summary-copy { padding: 30px 32px 36px; }
.facility-summary-copy > span { color: var(--blue-600); font-size: .64rem; font-weight: 700; letter-spacing: .1em; }
.facility-summary-copy h3 { margin: 18px 0 16px; font-size: 1.65rem; }
.facility-summary-copy p { margin: 0; font-size: .89rem; }
.quality { color: #fff; background: var(--navy-900); }
.quality .section-heading-split > p { color: #b8cfd5; }
.quality-layout { display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 6vw; }
.quality-media { height: auto; border-radius: 3px; }
.quality-media img { height: auto; object-fit: contain; }
.quality-step { border-top: 1px solid #50717f; }
.quality-step:last-child { border-bottom: 1px solid #50717f; }
.quality-step button { display: grid; grid-template-columns: 34px 1fr 20px; gap: 16px; align-items: center; width: 100%; padding: 25px 0; border: 0; color: #fff; background: none; text-align: left; font-size: .95rem; }
.step-index { color: #8ed3cf; font-size: .64rem; }
.step-toggle { font-size: 1.2rem; font-weight: 400; }
.step-content { padding: 0 36px 20px 50px; }
.step-content p { margin: 0; color: #bfd3d8; font-size: .87rem; }
.document-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 65px; border: 1px solid #426573; }
.document-grid article { display: flex; flex-direction: column; padding: 28px 30px; border-right: 1px solid #426573; background: rgba(5,29,42,.18); }
.document-grid article:last-child { border-right: 0; }
.document-grid article > span { color: #8bd0cc; font-size: .66rem; letter-spacing: .13em; }
.document-grid h3 { margin: 26px 0 12px; font-size: 1.4rem; }
.document-grid p { flex: 1; margin-bottom: 22px; color: #b7ced6; font-size: .8rem; }
.document-grid a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 16px; border-top: 1px solid #426573; text-decoration: none; font-size: .76rem; }
.document-grid a:hover { color: #98dfd6; }

/* R&D */
.research { background: #fafbf9; }
.research-grid { display: grid; gap: 32px; }
.research-card { display: grid; grid-template-columns: 1.17fr .83fr; align-items: stretch; background: #edf2ef; }
.research-card:nth-child(2) { grid-template-columns: .83fr 1.17fr; }
.research-card:nth-child(2) .research-media { order: 2; }
.research-media { min-height: 390px; }
.research-media img { object-position: center; }
.research-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(32px, 4.4vw, 70px); }
.research-copy > span { color: #92aeae; font-size: 3rem; line-height: 1; letter-spacing: -.06em; font-weight: 300; }
.research-copy h3 { margin: 40px 0 20px; font-size: clamp(1.65rem, 2.5vw, 2.5rem); }
.research-copy p { margin: 0; font-size: .92rem; }

/* History and credentials */
.history { background: #e8eeeb; }
.history .eyebrow { color: var(--blue-600); }
.history .section-heading { display: grid; grid-template-columns: 1.3fr .7fr; column-gap: 9vw; max-width: none; align-items: end; }
.history .section-heading .eyebrow { grid-column: 1 / -1; }
.history .section-heading > p:last-child { margin-bottom: 0; font-size: .93rem; }
.timeline-filter { display: flex; gap: 8px; margin-bottom: 38px; }
.timeline-filter button { min-height: 40px; padding: 6px 20px; border: 1px solid #b9cac5; background: transparent; color: var(--ink-700); font-size: .78rem; }
.timeline-filter button.is-active { border-color: var(--navy-900); background: var(--navy-900); color: #fff; }
.timeline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px; margin: 0; padding: 0; list-style: none; }
.timeline li { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px; padding-top: 25px; border-top: 1px solid #bdcdc8; }
.timeline li.is-hidden { display: none; }
.timeline time { font-size: 3rem; line-height: 1; font-weight: 400; letter-spacing: -.06em; }
.timeline-type { color: var(--blue-600); font-size: .59rem; font-weight: 600; letter-spacing: .05em; }
.timeline h3 { grid-column: 1 / -1; align-self: start; margin: 0; font-size: 1.05rem; font-weight: 500; line-height: 1.65; letter-spacing: 0; }
.credentials .section-heading { max-width: 740px; }
.credential-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
.credential-card { min-width: 0; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.certificate-media { aspect-ratio: 4 / 5; margin-bottom: 24px; padding: 20px; background: #f3f5f1; }
.certificate-media img { object-fit: contain; box-shadow: 0 5px 22px rgba(9,38,52,.06); }
.credential-card h3 { margin: 0; font-size: 1.14rem; letter-spacing: -.02em; }

/* Contact */
.contact { display: grid; grid-template-columns: 1.05fr .95fr; align-items: start; gap: 10vw; padding: 105px var(--gutter) 85px; color: #fff; background: var(--navy-950); }
.contact h2 { max-width: 630px; font-size: clamp(2.5rem, 4.3vw, 4.4rem); }
.contact-intro > p:not(.eyebrow) { max-width: 490px; margin-bottom: 30px; color: #b2c9d1; font-size: .95rem; }
.contact-card { min-width: 0; padding-top: 6px; }
.contact-lines { display: grid; gap: 24px; margin-bottom: 40px; }
.contact-lines a { display: flex; flex-direction: column; gap: 7px; text-decoration: none; font-size: clamp(1.1rem, 1.65vw, 1.6rem); overflow-wrap: anywhere; }
.contact-lines a span { color: #8ebaba; font-size: .62rem; letter-spacing: .1em; }
.contact-lines a:hover { color: #a0dacf; }
.address-list { border-top: 1px solid #35535f; }
.address-list article { display: grid; grid-template-columns: 28px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid #35535f; }
.address-list article > span { color: #78b9b8; font-size: .6rem; }
.address-list h3 { margin-bottom: 8px; font-size: 1rem; letter-spacing: 0; }
.address-list p { margin: 0; color: #a7c0ca; font-size: .78rem; }
.site-footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; column-gap: 40px; padding: 34px var(--gutter); border-top: 1px solid #35535f; background: var(--navy-950); color: #adc4cd; }
.brand-footer { grid-row: 1 / 3; }
.brand-footer .brand-logo { width: 144px; filter: brightness(0) invert(1); opacity: .9; }
.site-footer p { margin: 0; color: #b0c4cc; font-size: .77rem; }
.site-footer .footer-note { grid-column: 2; margin-top: 3px; color: #91aab3; font-size: .65rem; }
.back-to-top { grid-column: 3; grid-row: 1 / 3; display: flex; align-items: center; gap: 18px; color: #d1e0e4; font-size: .72rem; text-decoration: none; }
.back-to-top span { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid #57727d; border-radius: 50%; }
.prototype-dialog { width: min(560px, calc(100% - 36px)); max-height: calc(100dvh - 48px); padding: 44px; overflow-y: auto; border: 0; border-radius: 5px; box-shadow: 0 18px 60px rgba(9,38,52,.1); }
.prototype-dialog::backdrop { background: rgba(5,25,37,.72); backdrop-filter: blur(5px); }
.prototype-dialog h2 { font-size: 2rem; }
.dialog-close { position: absolute; top: 8px; right: 10px; width: 42px; height: 42px; border: 0; background: transparent; color: var(--ink-900); font-size: 1.8rem; }
.dialog-inquiry-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 26px; }

@media (max-width: 1180px) {
  .desktop-nav { gap: 18px; }
  .desktop-nav a { font-size: .76rem; }
  .header-inner { gap: 24px; }
  .hero-copy { padding-right: 38px; }
  .hero h1 { font-size: 3.3rem; }
  .hero-visual-caption { flex-direction: column; gap: 4px; }
  .hero-visual-caption span:last-child { text-align: left; }
  .capability-strip > p { display: none; }
  .capability-strip dl { gap: 8vw; }
  .product-grid { gap: 12px; }
  .product-card > div:last-child { padding: 16px; }
  .custom-card { padding: 32px; }
  .technology-grid { grid-template-columns: 1fr 1fr; gap: 35px 28px; }
  .technology-grid article { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; padding-top: 24px; }
  .technology-media { margin: 0; align-self: start; aspect-ratio: 1; }
  .technology-copy h3 { font-size: 1.3rem; }
  .quality-layout { gap: 36px; }
  .research-media { min-height: 340px; }
}
@media (max-width: 1000px) {
  :root { --gutter: 5vw; }
  .desktop-nav { display: none; }
  .menu-button { display: block; }
  .header-actions { margin-left: auto; }
  .hero { grid-template-columns: 1fr 1fr; min-height: 600px; }
  .hero-copy { padding-top: 55px; padding-bottom: 36px; padding-right: 28px; }
  .hero h1 { font-size: 2.9rem; }
  .hero-copy > .eyebrow { font-size: .53rem; }
  .hero-image { min-height: 570px; }
  .hero .button { width: 100%; }
  .hero-scroll { margin-top: 32px; }
  .about-grid { gap: 5vw; }
  .about-visual { padding: 0 20px 28px 0; }
  .about-media { aspect-ratio: 1; }
  .about-copy h2 { font-size: 2.2rem; }
  .section-heading-split, .numbers-intro, .history .section-heading { column-gap: 5vw; }
  .product-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .product-support-grid { grid-template-columns: 1fr; }
  .specification-card { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 25px; }
  .specification-image { margin: 0; }
  .custom-card { padding: 40px; }
  .custom-card h3 { max-width: 650px; }
  .custom-steps { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .advantage-grid { gap: 24px; }
  .facility-summary-grid { gap: 20px; }
  .facility-summary-copy { padding: 25px; }
  .facility-summary-copy h3 { font-size: 1.4rem; }
  .quality-layout { grid-template-columns: 1fr; }
  .quality-media { max-width: 760px; }
  .document-grid article { padding: 24px; }
  .document-grid h3 { font-size: 1.18rem; }
  .research-media { min-height: 300px; }
  .research-copy { padding: 32px; }
  .research-copy h3 { margin-top: 26px; }
  .credential-grid { gap: 18px; }
  .certificate-media { padding: 12px; }
  .credential-card h3 { font-size: .95rem; }
  .contact { gap: 5vw; }
}
@media (max-width: 700px) {
  :root { --gutter: 24px; }
  html { scroll-padding-top: 82px; }
  body { font-size: 15px; }
  h2 { font-size: clamp(2rem, 7.5vw, 2.8rem); line-height: 1.25; }
  .header-inner, .site-header.is-scrolled .header-inner { height: 70px; }
  .brand-logo { width: 128px; }
  .language { width: 34px; height: 34px; }
  .header-actions { gap: 10px; }
  .mobile-nav, .is-scrolled .mobile-nav { top: 70px; height: calc(100dvh - 70px); }
  .section, .numbers, .quality, .history { padding-block: 76px; }
  .section-heading { margin-bottom: 36px; }
  .section-heading-split, .numbers-intro, .history .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .section-heading-split > p { font-size: .9rem; }
  .eyebrow { margin-bottom: 20px; font-size: .61rem; }
  .hero { display: flex; flex-direction: column; min-height: 0; }
  .hero-copy { padding: 48px 24px 34px; }
  .hero-copy > .eyebrow { margin-bottom: 25px; font-size: .58rem; }
  .hero h1 { margin-bottom: 23px; font-size: clamp(2.8rem, 10vw, 4rem); }
  .hero-summary { margin-bottom: 27px; font-size: .87rem; }
  .hero .button-row { flex-wrap: nowrap; gap: 10px; }
  .hero .button { flex: 1; min-width: 0; padding-inline: 10px; font-size: .84rem; }
  .hero-scroll { display: none; }
  .hero-visual { margin: 0 16px 16px; aspect-ratio: 1.2; border-radius: 3px 3px 3px 40px; }
  .hero-image { position: absolute; inset: 0; min-height: 0; height: 100%; object-position: center; }
  .hero-visual-caption { left: 25px; right: 18px; bottom: 22px; font-size: .5rem; }
  .hero-visual-caption span:last-child { display: none; }
  .capability-strip { display: block; padding-block: 28px; }
  .capability-strip dl { justify-content: space-between; gap: 16px; }
  .capability-strip dl div { flex: 1; }
  .capability-strip dd { font-size: 1.8rem; }
  .capability-strip dt { font-size: .64rem; }
  .capability-strip > a { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 42px; }
  .about-visual { order: 2; padding-right: 24px; }
  .about-media { aspect-ratio: 1.2; }
  .about-stamp { width: 146px; padding: 20px; }
  .about-stamp strong { font-size: 2.3rem; }
  .about-copy h2 { font-size: 2.1rem; }
  .about-copy .lead { font-size: 1rem; }
  .product-showcase { margin-bottom: 22px; }
  .product-filter { gap: 23px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: thin; margin-bottom: 24px; }
  .product-filter button { flex: 0 0 auto; font-size: .8rem; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .product-card > div:last-child { padding: 14px 16px 18px; }
  .product-card h3 { font-size: 1rem; }
  .product-card:hover { transform: none; }
  .product-support-grid { margin-top: 50px; gap: 20px; }
  .specification-card { display: flex; padding: 24px 20px; gap: 0; }
  .specification-image { margin-bottom: 30px; }
  .specification-copy { padding: 0; }
  .specification-copy h3 { font-size: 1.5rem; }
  .size-references { gap: 28px; }
  .size-references > span { font-size: 1.8rem; }
  .custom-card { padding: 30px 24px; }
  .custom-card h3 { font-size: 1.7rem; }
  .custom-steps { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
  .custom-card .button-row { align-items: stretch; flex-direction: column; }
  .custom-card .text-link { align-self: flex-start; }
  .numbers-intro { gap: 20px; }
  .numbers-intro .eyebrow { margin-bottom: 0; }
  .number-grid { grid-template-columns: 1fr 1fr; margin-top: 38px; padding: 0; }
  .number-grid article { padding: 24px 0 26px 20px; border-bottom: 1px solid #34515f; }
  .number-grid article:nth-child(odd) { padding-left: 0; }
  .number-grid article:nth-child(even) { border-right: 0; }
  .number-grid article:nth-child(n+3) { border-bottom: 0; }
  .number-grid strong { font-size: 2.85rem; }
  .number-grid span { font-size: .72rem; }
  .advantage-grid { grid-template-columns: 1fr 1fr; gap: 30px 24px; margin-top: 36px; }
  .advantage-grid h3 { font-size: 1.05rem; }
  .technology-grid { grid-template-columns: 1fr; gap: 24px; }
  .technology-grid article { grid-template-columns: .85fr 1.15fr; gap: 18px; padding-top: 22px; }
  .technology-copy h3 { margin-top: 8px; font-size: 1.15rem; overflow-wrap: anywhere; }
  .technology-copy p { font-size: .82rem; }
  .technology-media img { width: 90%; }
  .facility-summary-grid { grid-template-columns: 1fr; gap: 26px; }
  .facility-summary-copy { padding: 26px 24px 30px; }
  .facility-summary-copy h3 { font-size: 1.5rem; }
  .quality-layout { gap: 35px; }
  .quality-step button { grid-template-columns: 25px 1fr 18px; padding-block: 24px; }
  .step-content { padding-left: 41px; }
  .document-grid { grid-template-columns: 1fr; margin-top: 42px; }
  .document-grid article { padding: 25px; border-right: 0; border-bottom: 1px solid #426573; }
  .document-grid article:last-child { border-bottom: 0; }
  .document-grid h3 { margin-top: 18px; font-size: 1.4rem; }
  .research-grid { gap: 28px; }
  .research-card, .research-card:nth-child(2) { grid-template-columns: 1fr; }
  .research-card:nth-child(2) .research-media { order: 0; }
  .research-media { min-height: 0; aspect-ratio: 3 / 2; }
  .research-copy { padding: 28px 24px 32px; }
  .research-copy > span { font-size: 2.2rem; }
  .research-copy h3 { margin: 20px 0 16px; font-size: 1.6rem; }
  .history .section-heading { gap: 20px; }
  .history .section-heading .eyebrow { margin: 0; }
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline li { grid-template-columns: 88px 1fr; gap: 10px 22px; padding-block: 25px; }
  .timeline time { font-size: 2.35rem; }
  .timeline-type { grid-column: 1; grid-row: 2; }
  .timeline h3 { grid-column: 2; grid-row: 1 / 3; align-self: center; font-size: .98rem; }
  .credential-grid { grid-template-columns: 1fr 1fr; gap: 26px 16px; }
  .certificate-media { padding: 10px; margin-bottom: 17px; }
  .credential-card h3 { font-size: .91rem; }
  .contact { grid-template-columns: 1fr; gap: 45px; padding-block: 76px 50px; }
  .contact h2 { font-size: 2.45rem; }
  .contact-intro .button { width: 100%; }
  .contact-lines { gap: 23px; }
  .contact-lines a { font-size: 1.23rem; }
  .site-footer { grid-template-columns: 1fr auto; gap: 12px; padding-block: 30px; }
  .brand-footer { grid-row: 1; }
  .site-footer > p { grid-column: 1 / -1; grid-row: 2; margin-top: 8px; }
  .site-footer .footer-note { grid-column: 1 / -1; grid-row: 3; margin-top: 0; }
  .back-to-top { grid-column: 2; grid-row: 1; font-size: .65rem; gap: 10px; }
  .prototype-dialog { padding: 42px 25px 28px; }
  .dialog-inquiry-actions { grid-template-columns: 1fr; }
}
@media (max-width: 370px) {
  :root { --gutter: 20px; }
  .hero h1 { font-size: 2.55rem; }
  .hero-copy { padding-inline: 20px; }
  .product-grid { gap: 10px; }
  .product-card > div:last-child { padding-inline: 12px; }
  .technology-grid article { gap: 14px; }
  .technology-copy h3 { font-size: 1.02rem; }
  .size-references { gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}