@font-face { font-family: 'Space Grotesk'; src: url('assets/fonts/space-grotesk-regular.ttf') format('truetype'); font-weight: 400 500; font-display: swap; }
@font-face { font-family: 'Space Grotesk'; src: url('assets/fonts/space-grotesk-bold.ttf') format('truetype'); font-weight: 600 800; font-display: swap; }
@font-face { font-family: 'Studio Serif'; src: url('assets/fonts/studio-serif.ttf') format('truetype'); font-weight: 700; font-display: swap; }
:root {
  --paper: #f2f2ed; --ink: #242720; --muted: #63665c; --line: #c7c9bf;
  --red: #be3926; --dark: #22251f; --sans: 'Space Grotesk', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --display: 'Studio Serif', 'Songti SC', 'SimSun', serif; --gutter: clamp(24px, 4.4vw, 72px); --max: 1536px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
::selection { background: var(--red); color: #fff; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
p, h1, h2, h3, h4, figure { margin: 0; }
h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 5px; }
#main:focus { outline: 0; }
.container { width: min(var(--max), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 50; padding: 12px 24px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 30px; min-height: 88px; }
.wordmark { display: inline-flex; align-items: center; min-height: 44px; font-size: 29px; font-weight: 700; letter-spacing: -.06em; line-height: 1; }
.brand-mark { display: block; flex: 0 0 29px; margin-right: 11px; width: 29px; height: 29px; }
.brand-period { color: var(--red); }
.header-caption { font-size: 12px; color: var(--muted); padding-left: 26px; border-left: 1px solid var(--line); }
.site-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav-link { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; justify-content: center; font-size: 14px; position: relative; white-space: nowrap; }
.nav-link::after { content: ''; position: absolute; bottom: 3px; left: 0; right: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.language-toggle { display: inline-flex; gap: 14px; align-items: center; justify-content: center; min-width: 60px; min-height: 44px; border: 0; border-left: 1px solid var(--line); padding: 0 0 0 22px; background: transparent; font-size: 14px; }
.menu-toggle { display: none; background: transparent; border: 1px solid var(--line); width: 44px; height: 44px; padding: 11px; }
.menu-toggle span { display: block; height: 1px; background: var(--ink); margin: 6px 0; transition: transform .2s; }
.menu-toggle[aria-expanded='true'] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded='true'] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.hero { padding-top: 34px; }
.hero-topline { display: flex; justify-content: space-between; gap: 24px; font-size: 12px; letter-spacing: .075em; color: var(--muted); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, .37fr); gap: 48px; align-items: end; padding: 66px 0 78px; }
.hero h1 { font-family: var(--display); font-size: clamp(66px, 8.3vw, 136px); line-height: 1.27; font-weight: 700; letter-spacing: -.055em; }
.hero h1 span { display: block; }
.hero h1 .hero-second { color: var(--red); padding-left: .7em; }
.hero-aside { padding-bottom: 6px; max-width: 340px; }
.studio-symbol { display: block; font-size: 70px; line-height: 1; margin-bottom: 26px; color: var(--red); }
.hero-aside p { font-size: 16px; line-height: 1.85; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 44px; border-bottom: 1px solid currentColor; font-size: 14px; font-weight: 600; padding-block: 7px; transition: color .2s; }
.text-link:hover { color: var(--red); }
.text-link > span:last-child { font-size: 21px; transition: transform .2s; }
.text-link:hover > span:last-child { transform: translate(2px, -2px); }
.hero-aside .text-link { margin-top: 26px; min-width: 208px; }
.release-strip { display: grid; grid-template-columns: .42fr 1fr 1fr; align-items: stretch; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.release-label { font-size: 12px; color: var(--red); align-self: center; letter-spacing: .03em; }
.release-strip a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 25px; border-left: 1px solid var(--line); font-size: 14px; }
.release-strip a:last-child { padding-right: 0; }
.release-strip a:hover { color: var(--red); }
.release-strip a > span:last-child { font-size: 23px; }
.section { padding-block: 112px; scroll-margin-top: 0; }
.section-heading { display: grid; grid-template-columns: .34fr 1fr; gap: 40px; margin-bottom: 56px; }
.eyebrow { font-size: 12px; letter-spacing: .075em; color: var(--red); padding-top: 8px; }
.section-heading h2 { font-family: var(--display); font-size: clamp(32px, 3.2vw, 50px); line-height: 1.4; font-weight: 700; letter-spacing: -.04em; }
.section-intro { color: var(--muted); font-size: 16px; max-width: 620px; margin-top: 18px; }
.product-topline { display: flex; justify-content: space-between; gap: 20px; font-size: 12px; letter-spacing: .045em; }
.release-status { color: var(--red); letter-spacing: 0; text-align: right; }
.product-identity { display: flex; align-items: center; gap: 14px; margin-top: 70px; color: var(--muted); font-size: 14px; }
.product-identity img { width: 44px; height: 44px; border-radius: 10px; }
.building-feature { display: grid; grid-template-columns: 1fr 1fr; background: #e3e5db; }
.building-copy { padding: clamp(30px, 4vw, 64px); display: flex; align-items: flex-start; flex-direction: column; }
.building-copy .product-topline { align-self: stretch; }
.building-copy h3 { font-family: var(--display); font-size: clamp(42px, 4.1vw, 64px); font-weight: 700; line-height: 1.3; margin-top: 20px; letter-spacing: -.035em; }
.building-descriptor { margin-top: 28px; font-size: 24px; line-height: 1.55; max-width: 360px; }
.product-description { color: var(--muted); font-size: 16px; line-height: 1.8; margin-top: 16px; }
.product-labels { display: flex; flex-wrap: wrap; gap: 6px 20px; list-style: none; padding: 0; margin: 28px 0; font-size: 12px; }
.product-labels li { border-top: 1px solid #acafa0; padding-top: 7px; }
.building-copy .text-link { margin-top: auto; }
.building-footnote { margin-top: 55px; color: var(--muted); font-size: 12px; letter-spacing: .06em; }
.building-media { min-width: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 32px clamp(24px, 3vw, 48px) 24px; background: #d9d4c9; }
.building-media > img { width: min(100%, 360px); height: auto; }
.building-media figcaption { width: min(100%, 360px); margin-top: 14px; color: var(--ink); font-size: 11px; }
.collection-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin: 74px 0 28px; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
.collection-heading h3 { font-size: 18px; font-weight: 500; }
.collection-heading > span { font-size: 12px; color: var(--muted); }
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 68px 36px; }
.app-card { min-width: 0; }
.app-media { position: relative; display: flex; align-items: flex-start; justify-content: center; gap: 24px; height: 360px; padding: 34px 40px 0; background: #dde2df; overflow: hidden; }
.app-media img { width: 39%; height: auto; border: 1px solid rgba(36,39,32,.14); border-radius: 16px; transform: translateY(0); transition: transform .45s; }
.app-media img + img { margin-top: 50px; }
@media (hover: hover) { .app-card:hover .app-media img { transform: translateY(-8px); } }
.theme-type .app-media { background: #e4e8ed; }
.theme-dolly .app-media { background: #d8d6cf; }
.theme-library .app-media { background: #e4dece; }
.app-card-body { padding-top: 20px; }
.app-card .product-topline { color: var(--muted); }
.app-name { display: flex; align-items: center; gap: 15px; margin: 22px 0 8px; }
.app-name img { width: 38px; height: 38px; border-radius: 9px; }
.app-name h4 { font-size: 25px; font-weight: 600; line-height: 1.4; letter-spacing: -.035em; }
.app-descriptor { font-size: 15px; }
.app-card .product-description { margin-top: 8px; max-width: 510px; }
.app-card .text-link { margin-top: 18px; }
.metal-section { background: var(--dark); color: #f0f0e8; --muted: #b5b9ac; --line: #4b5044; --red: #f69a82; }
.engineering-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding-bottom: 16px; border-bottom: 1px solid #727969; font-size: 12px; color: var(--muted); }
.engineering-heading p { font-size: 13px; }
.engineering-product { display: grid; grid-template-columns: 1fr .8fr; gap: clamp(40px, 8vw, 116px); padding: 58px 0; border-bottom: 1px solid var(--line); }
.engineering-copy { min-width: 0; align-self: center; }
.engineering-product .product-identity { margin-top: 32px; }
.engineering-product h3 { font-size: clamp(32px, 3vw, 44px); margin-top: 18px; line-height: 1.3; letter-spacing: -.04em; }
.engineering-descriptor { font-size: 20px; line-height: 1.6; margin-top: 20px; }
.engineering-product .product-description { max-width: 570px; }
.feature-list { list-style: none; padding: 0; margin: 26px 0 0; }
.feature-list li { display: flex; gap: 22px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 14px; }
.feature-list span { font-size: 12px; color: var(--muted); padding-top: 2px; }
.product-note { font-size: 12px; line-height: 1.8; color: var(--muted); max-width: 550px; margin-top: 22px; }
.engineering-product .text-link { margin-top: 24px; }
.engineering-media { width: min(100%, 330px); align-self: center; justify-self: center; }
.engineering-media img { width: 100%; height: auto; }
.engineering-media figcaption { margin-top: 14px; font-size: 11px; color: var(--muted); }
.metal-compact { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; margin-top: 48px; }
.compact-product { display: flex; align-items: flex-start; gap: 22px; min-width: 0; }
.compact-product > img { width: 48px; height: 48px; border-radius: 10px; }
.compact-product h3 { font-size: 22px; line-height: 1.4; }
.compact-product .product-description { font-size: 14px; margin-top: 12px; }
.compact-product .text-link { margin-top: 18px; }
.platform-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 52px; background: #e3e5db; }
.platform-copy h3 { font-family: var(--display); font-size: 35px; line-height: 1.45; margin-top: 28px; }
.platform-copy > p:not(.eyebrow) { font-size: 16px; color: var(--muted); margin-top: 22px; }
.platform-copy .text-link { margin-top: 32px; }
.platform-flow { padding: 0; margin: 0; list-style: none; }
.platform-flow li { border-top: 1px solid #b7bbae; padding: 16px 0; display: grid; grid-template-columns: 1fr 1fr; align-items: baseline; column-gap: 20px; }
.platform-flow li > span { font-size: 12px; color: var(--muted); }
.platform-flow strong { font-size: 25px; font-weight: 500; letter-spacing: -.04em; }
.platform-flow p { grid-column: 2; font-size: 12px; color: var(--muted); }
.web-features { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; padding-block: 60px; }
.web-feature { min-width: 0; }
.web-image { display: block; aspect-ratio: 1.6; background: #d8e1e5; padding: 32px 24px 0; overflow: hidden; }
.web-image img { width: 100%; border: 1px solid #9caeb6; transition: transform .35s; }
.web-image:hover img { transform: translateY(-5px); }
.anatomy-image { background: #383d3a; }
.anatomy-image img { border-color: #676f6c; }
.web-feature-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 24px; }
.web-feature-heading h3 { font-size: 28px; font-weight: 500; letter-spacing: -.04em; }
.web-feature-heading span { font-size: 12px; color: var(--muted); }
.web-feature .web-descriptor { margin-top: 12px; font-size: 19px; color: var(--ink); }
.web-feature p { color: var(--muted); font-size: 16px; margin-top: 10px; }
.web-feature .text-link { margin-top: 20px; }
.web-study { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(36px, 5.5vw, 80px); align-items: center; padding-block: 52px; border-top: 1px solid var(--line); }
.web-study:last-child { border-bottom: 1px solid var(--line); }
.web-study-copy { min-width: 0; }
.web-study-category { color: var(--red); font-size: 11px; letter-spacing: .045em; }
.web-study h3 { margin-top: 18px; font-size: clamp(28px, 2.5vw, 36px); font-weight: 500; line-height: 1.3; letter-spacing: -.035em; }
.web-study-descriptor { font-size: 20px; line-height: 1.55; margin-top: 14px; }
.web-study .product-description { font-size: 15px; margin-top: 15px; }
.web-study-facts { margin: 26px 0 0; font-size: 13px; }
.web-study-facts > div { display: grid; grid-template-columns: minmax(80px, .32fr) 1fr; gap: 18px; padding-block: 12px; border-top: 1px solid var(--line); }
.web-study-facts dt { color: var(--ink); }
.web-study-facts dd { margin: 0; color: var(--muted); }
.web-study .text-link { margin-top: 14px; }
.web-study-note { font-size: 12px; color: var(--muted); margin-top: 16px; }
.web-study-status { display: block; color: var(--red); font-size: 11px; letter-spacing: .045em; margin-bottom: 5px; }
.web-study-media { min-width: 0; padding: 24px 24px 0; background: #e1e5e8; }
.web-study-media img { width: 100%; border: 1px solid #bac2c8; }
.web-study-media figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 4px 14px; padding-block: 14px; color: var(--muted); font-size: 11px; }
.qipan-media { background: #272722; --muted: #c1bcab; }
.qipan-media img { border-color: #484638; }
.mbti-media { background: #e6e1d7; }
.mbti-media img { border-color: #c6c0b5; }
.story-section { background: #e3e5db; }
.story-grid { display: grid; grid-template-columns: .34fr 1fr; gap: 40px; }
.story-grid h2 { font-family: var(--display); font-size: clamp(36px, 4.5vw, 68px); font-weight: 700; line-height: 1.5; letter-spacing: -.035em; }
.story-grid h2 span { display: block; }
.story-grid h2 span:first-child { color: var(--red); }
.story-body { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 44px; }
.story-body p { color: var(--muted); font-size: 16px; line-height: 1.9; }
.contact-section { display: grid; grid-template-columns: .34fr 1fr; gap: 40px; padding-block: 100px; }
.contact-section h2 { font-family: var(--display); font-weight: 700; font-size: 45px; }
.contact-section p:not(.eyebrow) { color: var(--muted); font-size: 16px; margin-top: 20px; }
.contact-email { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 28px; font-size: clamp(16px, 2.5vw, 38px); letter-spacing: -.04em; border-bottom: 1px solid var(--ink); min-height: 44px; overflow-wrap: anywhere; }
.contact-email:hover { color: var(--red); }
.footer-wordmark { display: block; border-top: 1px solid var(--ink); padding-top: 36px; font-size: clamp(66px, 17vw, 270px); letter-spacing: -.083em; line-height: 1; font-weight: 700; }
.footer-wordmark span { color: var(--red); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 38px 24px; font-size: 12px; color: var(--muted); }
.footer-bottom > div { display: flex; align-items: center; gap: 28px; }
.footer-bottom a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-bottom a:hover { color: var(--red); }
.back-top { justify-content: center; width: 44px; border: 1px solid var(--line); font-size: 22px; }
html[lang='en'] { --display: 'Space Grotesk', sans-serif; }
html[lang='en'] .hero h1 { font-size: clamp(58px, 7.5vw, 122px); line-height: 1.08; letter-spacing: -.07em; }
html[lang='en'] .hero h1 .hero-second { padding-left: 0; }
html[lang='en'] .hero-grid { padding-top: 85px; padding-bottom: 94px; }
html[lang='en'] .section-heading h2 { line-height: 1.15; }
@media (min-width: 1600px) { .app-media { height: 420px; } }
@media (max-width: 1150px) {
  .header-caption { display: none; }
  .site-nav { gap: 20px; }
  .hero-grid { grid-template-columns: 1fr .42fr; gap: 30px; }
  .hero h1 { font-size: 8vw; }
  .hero-aside p { font-size: 14px; }
  .section-heading, .story-grid, .contact-section { grid-template-columns: .3fr 1fr; gap: 28px; }
  .product-identity { margin-top: 40px; }
  .building-copy { padding: 30px; }
  .building-descriptor { font-size: 21px; }
  .building-footnote { margin-top: 35px; }
  .engineering-product { gap: 48px; grid-template-columns: 1fr .75fr; }
  .platform-feature { padding: 36px; gap: 36px; }
  .platform-flow li { grid-template-columns: 1fr; }
  .platform-flow p { grid-column: 1; }
}
@media (max-width: 860px) {
  .header-inner { min-height: 74px; flex-wrap: wrap; gap: 0; }
  .wordmark { font-size: 26px; }
  .menu-toggle { display: block; margin-left: auto; }
  .site-nav { display: none; width: 100%; margin: 0; padding: 12px 0 22px; border-top: 1px solid var(--line); }
  .site-nav.is-open { display: flex; flex-wrap: wrap; gap: 8px 25px; }
  .language-toggle { padding-left: 16px; }
  .hero-topline { font-size: 11px; }
  .hero-topline p:last-child { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 28px; padding: 45px 0; }
  .hero h1 { font-size: clamp(58px, 10.8vw, 90px); }
  .hero-aside { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end; max-width: none; }
  .studio-symbol { display: none; }
  .hero-aside p { font-size: 16px; max-width: 460px; }
  .hero-aside .text-link { min-width: 160px; margin-top: 0; }
  .release-strip { grid-template-columns: 1fr 1fr; }
  .release-label { grid-column: 1 / -1; padding-top: 14px; }
  .release-strip a { border-left: 0; padding: 14px 16px 16px 0; font-size: 12px; }
  .release-strip a + a { border-left: 1px solid var(--line); padding-left: 16px; }
  .section { padding-block: 76px; }
  .section-heading, .story-grid, .contact-section { grid-template-columns: 1fr; gap: 22px; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2 { font-size: 34px; }
  .building-feature { grid-template-columns: 1fr 1fr; }
  .building-copy { padding: 24px; }
  .building-copy .product-topline { flex-direction: column; gap: 8px; }
  .release-status { text-align: left; }
  .building-copy h3 { font-size: 36px; }
  .building-descriptor { font-size: 18px; }
  .building-copy .product-description { font-size: 14px; }
  .building-footnote { font-size: 10px; }
  .product-labels { gap: 6px 12px; }
  .collection-heading { margin-top: 50px; }
  .app-grid { gap: 46px 24px; }
  .app-media { padding: 25px 15px 0; height: 290px; gap: 15px; }
  .app-media img { width: 43%; border-radius: 12px; }
  .app-name h4 { font-size: 21px; }
  .app-name { gap: 10px; }
  .app-card .product-description { font-size: 14px; }
  .engineering-product { grid-template-columns: 1fr .65fr; gap: 28px; }
  .engineering-product h3 { font-size: 30px; }
  .engineering-product .product-topline { flex-wrap: wrap; gap: 5px 20px; }
  .engineering-product .product-description { font-size: 14px; }
  .engineering-descriptor { font-size: 18px; }
  .feature-list li { gap: 12px; font-size: 13px; }
  .metal-compact { gap: 30px; }
  .compact-product { gap: 15px; }
  .compact-product > img { width: 38px; height: 38px; }
  .compact-product h3 { font-size: 20px; }
  .platform-feature { padding: 30px; gap: 30px; }
  .platform-copy h3 { font-size: 28px; }
  .web-features { gap: 24px; }
  .web-image { aspect-ratio: 1.35; padding: 22px 15px 0; }
  .web-feature-heading { flex-wrap: wrap; gap: 2px; }
  .web-feature p { font-size: 14px; }
  .web-feature .web-descriptor { font-size: 18px; }
  .web-study { grid-template-columns: 1fr; gap: 28px; padding-block: 36px; }
  .web-study h3 { font-size: 27px; }
  .web-study-descriptor { font-size: 18px; }
  .web-study .product-description { font-size: 14px; }
  .web-study-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
  .web-study-facts > div { grid-template-columns: 1fr; gap: 4px; align-content: start; }
  .web-study-media { padding: 16px 16px 0; }
  .story-grid h2 { font-size: 46px; }
  .story-body { gap: 28px; }
  .contact-section { padding-block: 70px; }
  .footer-bottom { flex-wrap: wrap; }
  .footer-bottom > div { width: 100%; justify-content: space-between; gap: 14px; }
  html[lang='en'] .hero h1 { font-size: clamp(52px, 10vw, 88px); }
  html[lang='en'] .hero-grid { padding-block: 50px; }
}
@media (max-width: 580px) {
  :root { --gutter: 22px; }
  html { scroll-padding-top: 92px; }
  .hero { padding-top: 24px; }
  .hero h1 { font-size: clamp(48px, 11.7vw, 68px); letter-spacing: -.07em; line-height: 1.4; }
  .hero h1 .hero-second { padding-left: .4em; }
  .hero-grid { gap: 26px; padding-top: 34px; padding-bottom: 36px; }
  .hero-aside { display: block; }
  .hero-aside p { font-size: 14px; }
  .hero-aside .text-link { margin-top: 14px; }
  .release-strip { display: block; }
  .release-label { display: block; font-size: 12px; padding-block: 14px 4px; }
  .release-strip a, .release-strip a + a { padding: 12px 0; border: 0; font-size: 13px; }
  .release-strip a + a { border-top: 1px solid var(--line); }
  .section { padding-block: 58px; }
  .eyebrow { font-size: 11px; }
  .section-heading h2 { font-size: 29px; }
  .section-intro { font-size: 14px; margin-top: 14px; }
  .building-feature { display: flex; flex-direction: column; }
  .building-copy { padding: 26px; }
  .building-copy .product-topline { flex-direction: row; }
  .product-identity { margin-top: 35px; }
  .building-copy h3 { font-size: 39px; }
  .building-descriptor { font-size: 21px; margin-top: 18px; }
  .building-copy .product-description { font-size: 15px; }
  .building-footnote { margin-top: 25px; font-size: 11px; }
  .building-media { padding: 24px 0 20px; }
  .collection-heading { align-items: flex-start; }
  .collection-heading h3 { font-size: 16px; }
  .collection-heading > span { font-size: 10px; padding-top: 4px; }
  .app-grid { grid-template-columns: 1fr; gap: 45px; }
  .app-media { height: 330px; padding: 30px 30px 0; gap: 20px; }
  .app-media img { width: 42%; }
  .app-name h4 { font-size: 24px; }
  .app-card .product-description { font-size: 15px; }
  .engineering-heading { flex-direction: column; gap: 10px; }
  .engineering-heading p { font-size: 12px; }
  .engineering-product { display: flex; flex-direction: column; padding-block: 34px; gap: 30px; }
  .engineering-product h3 { font-size: 32px; }
  .engineering-product .product-description { font-size: 15px; }
  .feature-list li { font-size: 14px; }
  .metal-compact { grid-template-columns: 1fr; gap: 34px; margin-top: 36px; }
  .compact-product h3 { font-size: 21px; }
  .platform-feature { grid-template-columns: 1fr; padding: 26px; }
  .platform-copy h3 { font-size: 28px; }
  .platform-copy > p:not(.eyebrow) { font-size: 15px; }
  .platform-flow li { grid-template-columns: 1fr 1fr; }
  .platform-flow strong { font-size: 21px; }
  .platform-flow li > span { font-size: 10px; }
  .platform-flow p { grid-column: 2; }
  .web-features { grid-template-columns: 1fr; gap: 40px; padding-block: 40px; }
  .web-image { aspect-ratio: 1.45; }
  .web-feature-heading { flex-wrap: nowrap; }
  .web-feature p { font-size: 15px; }
  .web-study { grid-template-columns: 1fr; gap: 28px; padding-block: 34px; }
  .web-study h3 { font-size: 29px; }
  .web-study .product-description { font-size: 15px; }
  .web-study-facts { display: block; margin-top: 22px; }
  .web-study-facts > div { grid-template-columns: minmax(74px, .35fr) 1fr; gap: 14px; }
  .web-study-media { padding: 14px 14px 0; }
  .story-grid h2 { font-size: clamp(30px, 8vw, 42px); }
  .story-body { grid-template-columns: 1fr; gap: 20px; margin-top: 28px; }
  .story-body p { font-size: 15px; }
  .contact-section { padding-block: 58px; }
  .contact-section h2 { font-size: 32px; }
  .contact-section p:not(.eyebrow) { font-size: 14px; }
  .contact-email { font-size: clamp(15px, 4.4vw, 24px); gap: 8px; }
  .footer-wordmark { font-size: 17vw; padding-top: 26px; }
  .footer-bottom { font-size: 11px; gap: 12px; padding-top: 25px; }
  .footer-bottom > div { flex-wrap: wrap; gap: 8px 16px; }
  .footer-bottom .back-top { margin-left: auto; }
  html[lang='en'] .hero h1 { font-size: clamp(43px, 11.2vw, 66px); line-height: 1.1; }
  html[lang='en'] .hero-grid { padding-top: 40px; padding-bottom: 35px; }
  html[lang='en'] .section-heading h2 { font-size: 32px; }
  html[lang='en'] .building-copy h3 { font-size: 35px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .site-header { position: static; }
  .menu-toggle, .language-toggle, .skip-link, .back-top { display: none; }
  body { background: white; color: black; }
  .section { padding-block: 32px; }
  .metal-section { background: white; color: black; --muted: #444; --line: #aaa; --red: #963321; }
  article { break-inside: avoid; }
}