:root {
  --ink: #191b1a;
  --muted: #656b68;
  --paper: #f5f6f3;
  --white: #ffffff;
  --line: #d9ddda;
  --red: #b90f2e;
  --red-dark: #8f0b22;
  --green: #294c3d;
  --warm: #a68f74;
  font-family: Inter, "Segoe UI", "Noto Sans", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body { margin: 0; min-width: 320px; background: var(--white); }
body, button, input, select, textarea { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p { color: var(--muted); line-height: 1.7; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: 0; }
h2 { max-width: 780px; margin-bottom: 0; font-size: 44px; font-weight: 570; line-height: 1.12; }
h3 { font-size: 21px; line-height: 1.25; }
address { font-style: normal; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 116px 0; }
.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; }

.site-header { position: fixed; z-index: 50; inset: 0 0 auto; display: grid; grid-template-columns: minmax(210px, 1fr) auto minmax(210px, 1fr); align-items: center; min-height: 74px; padding: 0 36px; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.22); transition: background-color .25s, color .25s, box-shadow .25s; }
.site-header.scrolled { color: var(--ink); background: rgba(255,255,255,.96); box-shadow: 0 4px 18px rgba(17,24,20,.08); border-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; width: fit-content; }
.brand > span:last-child { display: grid; gap: 1px; }
.brand strong { font-size: 20px; line-height: 1; letter-spacing: 0; }
.brand small { font-size: 8px; line-height: 1; letter-spacing: 1.1px; opacity: .72; }
.brand-mark { display: flex; align-items: flex-end; gap: 3px; width: 36px; height: 28px; overflow: hidden; }
.brand-mark i { display: block; width: 9px; height: 31px; background: currentColor; transform: skew(-18deg); }
.brand-mark i:first-child { height: 20px; background: var(--red); }
.brand-mark i:nth-child(2) { height: 25px; }
.desktop-nav { display: flex; gap: 30px; font-size: 13px; font-weight: 600; }
.desktop-nav a { position: relative; padding: 28px 0; }
.desktop-nav a::after { content: ""; position: absolute; inset: auto 0 20px; height: 2px; background: var(--red); transform: scaleX(0); transition: transform .2s; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 13px; }
.language-picker select { min-width: 86px; height: 36px; padding: 0 26px 0 10px; color: inherit; background: transparent; border: 0; cursor: pointer; font-size: 12px; }
.language-picker option { color: var(--ink); }
.header-quote { padding: 11px 16px; color: var(--white); background: var(--red); font-size: 12px; font-weight: 700; border-radius: 3px; }
.header-quote:hover { background: var(--red-dark); }
.menu-button { display: none; width: 38px; height: 38px; padding: 9px; color: inherit; background: transparent; border: 0; cursor: pointer; }
.menu-button span { display: block; height: 2px; margin: 4px 0; background: currentColor; }
.mobile-nav { display: none; }

.hero { position: relative; min-height: min(880px, 92vh); display: flex; align-items: flex-end; color: var(--white); background: var(--ink) url("/images/hero-louvered-glass.jpg") center center / cover no-repeat; }
.hero-shade { position: absolute; inset: 0; background: rgba(8,13,11,.53); }
.hero-content { position: relative; z-index: 1; padding-bottom: 96px; }
.eyebrow { margin-bottom: 20px; color: var(--red); font-size: 12px; line-height: 1.25; font-weight: 750; letter-spacing: 1.5px; text-transform: uppercase; }
.eyebrow.light { color: #f18fa3; }
.hero h1 { max-width: 850px; margin-bottom: 22px; font-size: 66px; font-weight: 540; line-height: 1.03; }
.hero-copy { max-width: 690px; margin-bottom: 30px; color: rgba(255,255,255,.84); font-size: 17px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 50px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 22px; min-height: 48px; padding: 0 21px; border: 1px solid transparent; border-radius: 3px; cursor: pointer; font-size: 13px; font-weight: 720; transition: color .2s, background .2s, border-color .2s; }
.button.primary { color: var(--white); background: var(--red); }
.button.primary:hover { background: var(--red-dark); }
.button.ghost { color: var(--white); border-color: rgba(255,255,255,.68); }
.button.ghost:hover { color: var(--ink); background: var(--white); }
.hero-proof { display: flex; align-items: center; gap: 15px; font-size: 12px; }
.hero-proof span:last-child { color: rgba(255,255,255,.65); }
.proof-line { width: 48px; height: 1px; background: var(--red); }

.metrics { position: relative; z-index: 3; margin-top: -1px; color: var(--white); background: var(--ink); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metrics-grid div { display: grid; min-height: 126px; align-content: center; padding: 24px 30px; border-inline-end: 1px solid #383b39; }
.metrics-grid div:last-child { border: 0; }
.metrics strong { margin-bottom: 8px; font-size: 27px; font-weight: 580; color: var(--white); }
.metrics span { color: #a9aeab; font-size: 12px; }

.products-section { background: var(--paper); }
.section-heading { margin-bottom: 50px; }
.section-heading.split { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr); gap: 80px; align-items: end; }
.section-heading.split > p { margin-bottom: 2px; font-size: 14px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-inline-start: 1px solid var(--line); }
.product-card { position: relative; min-height: 410px; padding: 30px; background: var(--white); border-inline-end: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; }
.product-number { color: #969c99; font-size: 11px; }
.glass-sample { position: relative; height: 118px; margin: 24px 0 28px; overflow: hidden; background: #edf4f4; border: 1px solid #cbd4d1; box-shadow: 12px 12px 0 #e4e8e5; }
.glass-sample::before, .glass-sample::after, .glass-sample span { content: ""; position: absolute; inset: 0; border: 1px solid rgba(50,100,100,.22); transform: translate(0,0); }
.glass-sample::before { transform: translate(10px, -8px); background: rgba(150,205,210,.2); }
.glass-sample::after { transform: translate(20px, -16px); background: rgba(255,255,255,.18); }
.sample-01 { background: rgba(198,225,225,.5); }
.sample-02::before { transform: translate(8px, -6px); }
.sample-03 span { transform: translate(16px, -12px); }
.sample-04 { background: rgba(98,133,118,.43); }
.sample-05 { background: rgba(145,171,181,.32); }
.sample-05::before { background: rgba(236,210,184,.35); }
.sample-06 { background: repeating-linear-gradient(0deg, #dfe4e2 0, #dfe4e2 4px, #7d8582 5px, #7d8582 6px); }
.product-card h3 { margin-bottom: 12px; }
.product-card p { min-height: 74px; margin-bottom: 22px; font-size: 13px; }
.product-card a { color: var(--red); font-size: 12px; font-weight: 700; }

.transcend { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(420px, .96fr); min-height: 760px; background: #202421; color: var(--white); }
.transcend-media { min-height: 680px; overflow: hidden; background: #eef0ee; }
.transcend-media img { width: 100%; height: 100%; object-fit: cover; object-position: 40% 45%; }
.transcend-copy { display: flex; flex-direction: column; justify-content: center; padding: 80px max(48px, calc((100vw - 1180px)/2)); padding-inline-start: 72px; }
.transcend-copy h2 { margin-bottom: 24px; }
.transcend-copy > p:not(.eyebrow) { max-width: 610px; color: #b8bfbb; }
.segmented { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 520px; margin: 32px 0 20px; border: 1px solid #555b58; }
.segmented button { min-height: 44px; color: #c4cac6; background: transparent; border: 0; border-inline-end: 1px solid #555b58; cursor: pointer; font-size: 12px; }
.segmented button:last-child { border: 0; }
.segmented button.active { color: var(--white); background: var(--red); }
.control-description { min-height: 50px; margin-bottom: 34px; font-size: 13px; }
.spec-grid { display: grid; grid-template-columns: repeat(2, minmax(140px, 1fr)); gap: 0; max-width: 520px; margin: 0; border-top: 1px solid #4c524f; }
.spec-grid div { padding: 18px 0; border-bottom: 1px solid #4c524f; }
.spec-grid div:nth-child(odd) { border-inline-end: 1px solid #4c524f; }
.spec-grid div:nth-child(even) { padding-inline-start: 24px; }
.spec-grid dt { margin-bottom: 5px; color: #8f9792; font-size: 11px; }
.spec-grid dd { margin: 0; color: var(--white); font-size: 15px; }

.benefit-layout { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 560px; }
.benefit-layout > img { width: 100%; height: 100%; min-height: 560px; object-fit: cover; }
.benefit-list { display: grid; grid-template-columns: repeat(2, 1fr); background: var(--paper); }
.benefit-list > div { min-height: 280px; padding: 34px 28px; border-inline-start: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefit-list span { display: block; margin-bottom: 62px; color: var(--red); font-size: 11px; }
.benefit-list h3 { margin-bottom: 10px; }
.benefit-list p { margin-bottom: 0; font-size: 12px; }

.quality-band { padding: 100px 0; color: var(--white); background: var(--green); }
.quality-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(500px, 1.2fr); gap: 80px; align-items: center; }
.quality-layout h2 { margin-bottom: 24px; }
.quality-layout p { margin-bottom: 28px; color: #c4d0ca; }
.quality-layout img { width: 100%; aspect-ratio: 1.65; object-fit: cover; object-position: center 25%; }
.text-link { display: inline-flex; gap: 24px; padding-bottom: 7px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 700; }
.text-link.light { color: var(--white); }

.projects { overflow: hidden; }
.project-layout { display: grid; grid-template-columns: .67fr 1.33fr; gap: 60px; align-items: center; }
.project-copy h2 { margin-bottom: 25px; }
.project-copy > p:not(.eyebrow) { margin-bottom: 30px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.project-tags span { padding: 7px 10px; color: #555c58; background: var(--paper); font-size: 10px; }
.project-mosaic { position: relative; min-height: 590px; }
.project-main { width: 74%; height: 520px; margin-inline-start: auto; object-fit: cover; }
.project-wide { position: absolute; inset: auto auto 0 0; width: 38%; height: 300px; object-fit: cover; object-position: 80% 30%; border: 10px solid var(--white); }

.company { padding: 100px 0; color: var(--white); background: var(--ink); }
.company-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .8fr); gap: 100px; }
.company-layout h2 { margin-bottom: 25px; }
.company-layout > div > p:not(.eyebrow) { color: #aab0ad; }
.company ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid #3e4240; }
.company li { display: grid; grid-template-columns: 54px 1fr; gap: 22px; padding: 25px 0; border-bottom: 1px solid #3e4240; }
.company li > span { color: #e15e77; font-size: 11px; }
.company li strong { font-size: 15px; }
.company li p { margin: 6px 0 0; color: #8e9591; font-size: 12px; }

.quote-section { padding: 116px 0; background: var(--paper); }
.quote-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.quote-intro h2 { margin-bottom: 22px; }
.direct-contact { display: grid; gap: 9px; margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--line); }
.direct-contact strong { color: var(--muted); font-size: 11px; text-transform: uppercase; }
.direct-contact a { font-size: 20px; font-weight: 600; }
.direct-contact address { color: var(--muted); font-size: 12px; line-height: 1.6; }
.quote-form { padding: 38px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 14px 38px rgba(29,38,33,.07); }
.field-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.quote-form label { display: grid; gap: 8px; margin-bottom: 20px; color: #4f5552; font-size: 11px; font-weight: 650; }
.quote-form input, .quote-form select, .quote-form textarea { width: 100%; color: var(--ink); background: #fafbfa; border: 1px solid #cfd4d1; border-radius: 2px; outline: none; }
.quote-form input, .quote-form select { height: 45px; padding: 0 12px; }
.quote-form textarea { padding: 12px; resize: vertical; }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(41,76,61,.12); }
.dark-submit { min-width: 240px; margin-top: 5px; border: 0; }
.form-status { margin: 15px 0 0; font-size: 11px; }
.form-status.error { color: var(--red); }
.form-status.success { color: var(--green); font-weight: 700; }

footer { padding: 64px 0 26px; color: var(--white); background: #111312; }
.footer-grid { display: grid; grid-template-columns: 1.7fr .65fr .65fr; gap: 50px; padding-bottom: 50px; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; }
.footer-grid p, .footer-grid span, .footer-grid a:not(.brand) { margin: 0; color: #929895; font-size: 11px; line-height: 1.6; }
.footer-grid strong { font-size: 12px; }
.footer-brand { margin-bottom: 12px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; color: #737875; border-top: 1px solid #303331; font-size: 10px; }

[dir="rtl"] .brand-mark i { transform: skew(18deg); }
[dir="rtl"] .hero, [dir="rtl"] .quality-band, [dir="rtl"] .company { text-align: right; }

@media (max-width: 1040px) {
  .site-header { grid-template-columns: 1fr auto; padding: 0 22px; }
  .desktop-nav, .header-quote { display: none; }
  .menu-button { display: block; }
  .mobile-nav { position: absolute; inset: 74px 0 auto; display: none; padding: 16px 24px 24px; color: var(--ink); background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 12px 20px rgba(20,24,22,.1); }
  .mobile-nav.open { display: grid; }
  .mobile-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
  .transcend { grid-template-columns: 1fr 1fr; }
  .transcend-copy { padding: 60px 42px; }
  .quality-layout { grid-template-columns: 1fr 1.15fr; gap: 44px; }
  .company-layout, .quote-layout { gap: 50px; }
}

@media (max-width: 820px) {
  h2 { font-size: 36px; }
  .container { width: min(100% - 32px, 680px); }
  .section { padding: 84px 0; }
  .hero { min-height: 780px; }
  .hero h1 { font-size: 52px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid div:nth-child(2) { border-inline-end: 0; }
  .metrics-grid div:nth-child(-n+2) { border-bottom: 1px solid #383b39; }
  .section-heading.split, .project-layout, .company-layout, .quote-layout { grid-template-columns: 1fr; gap: 42px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .transcend { grid-template-columns: 1fr; }
  .transcend-media { min-height: 540px; height: 65vh; }
  .transcend-copy { padding: 70px max(24px, calc((100vw - 680px)/2)); }
  .benefit-layout, .quality-layout { grid-template-columns: 1fr; }
  .quality-layout img { order: -1; }
  .project-layout { gap: 56px; }
  .project-copy { max-width: 620px; }
  .project-mosaic { min-height: 520px; }
  .project-main { height: 450px; }
  .project-wide { height: 260px; }
  .company-layout { gap: 55px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .site-header { min-height: 66px; padding: 0 14px; }
  .brand small { display: none; }
  .brand-mark { width: 30px; }
  .brand strong { font-size: 18px; }
  .language-picker select { min-width: 68px; width: 68px; padding-inline: 4px; }
  .mobile-nav { inset-block-start: 66px; }
  .hero { min-height: 720px; align-items: flex-end; background-position: 61% center; }
  .hero-content { padding-bottom: 60px; }
  .hero h1 { font-size: 40px; line-height: 1.08; }
  .hero-copy { font-size: 14px; }
  .hero-actions { display: grid; margin-bottom: 34px; }
  .button { width: 100%; }
  .hero-proof { display: grid; grid-template-columns: 36px 1fr; gap: 7px 12px; }
  .hero-proof span:last-child { grid-column: 2; }
  .metrics-grid div { min-height: 105px; padding: 20px; }
  .metrics strong { font-size: 22px; }
  h2 { font-size: 31px; }
  .section-heading.split { gap: 20px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 0; }
  .product-card p { min-height: 0; }
  .transcend-media { min-height: 430px; height: 58vh; }
  .transcend-copy { padding: 62px 20px; }
  .segmented { width: 100%; }
  .segmented button { padding: 0 5px; font-size: 11px; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec-grid div:nth-child(odd) { border-inline-end: 0; }
  .spec-grid div:nth-child(even) { padding-inline-start: 0; }
  .benefit-layout > img { min-height: 340px; }
  .benefit-list { grid-template-columns: 1fr; }
  .benefit-list > div { min-height: 0; padding: 26px 22px; }
  .benefit-list span { margin-bottom: 34px; }
  .quality-band { padding: 76px 0; }
  .quality-layout { gap: 35px; }
  .project-mosaic { min-height: 450px; }
  .project-main { width: 91%; height: 380px; }
  .project-wide { width: 48%; height: 220px; border-width: 6px; }
  .company { padding: 76px 0; }
  .company li { grid-template-columns: 38px 1fr; }
  .quote-section { padding: 78px 0; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .quote-form { padding: 23px 18px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { gap: 20px; }
}

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