:root {
  --red: #e3222a;
  --ink: #161616;
  --muted: #727272;
  --line: #dededb;
  --paper: #f4f4f1;
  --white: #fff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Manrope,Arial,sans-serif;
}

body[dir=rtl] {
  font-family: "Noto Sans Arabic",Manrope,sans-serif;
}

html[lang=zh] body {
  font-family: "Noto Sans SC",Manrope,sans-serif;
}

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

img {
  display: block;
  width: 100%;
}

.site-header {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4.4vw;
  background: #fff;
  position: relative;
  z-index: 20;
  border-bottom: 1px solid #eee;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand img {
  width: 120px;
  height: auto;
}

.brand span {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: #8b8b8b;
  border-left: 1px solid #ddd;
  padding-left: 16px;
}

.desktop-nav {
  display: flex;
  gap: 32px;
  font-size: 12px;
  font-weight: 600;
}

.desktop-nav a:hover {
  color: var(--red);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.lang-switch {
  display: flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid #ddd;
  border-radius: 40px;
}

.lang {
  border: 0;
  background: transparent;
  border-radius: 30px;
  padding: 7px 10px;
  font: 700 10px Manrope;
  cursor: pointer;
}

.lang.active {
  background: var(--ink);
  color: #fff;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: #fff;
  border: 0;
  padding: 17px 26px;
  font: 700 11px Manrope;
  letter-spacing: .02em;
  cursor: pointer;
  transition: .25s;
}

.button:hover {
  background: #bb1118;
  transform: translateY(-2px);
}

.button-small {
  padding: 12px 18px;
}

.hero {
  min-height: calc(100vh - 86px);
  position: relative;
  color: #fff;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-image,.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background: linear-gradient(90deg,rgba(10,10,10,.83) 0%,rgba(10,10,10,.38) 52%,rgba(10,10,10,.05) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 64%;
  padding: 0 4.4vw 9vh;
}

.eyebrow {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--red);
  margin-bottom: 22px;
}

.eyebrow.light {
  color: #fff;
}

.hero h1 {
  font-size: clamp(52px,6.5vw,104px);
  line-height: .91;
  letter-spacing: -.06em;
  margin: 0 0 28px;
  max-width: 1050px;
}

.hero-content>p {
  font-size: 16px;
  line-height: 1.6;
  max-width: 580px;
  color: #e8e8e8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 34px;
}

.text-link {
  font-size: 12px;
  font-weight: 700;
  display: flex;
  gap: 12px;
}

.hero-proof {
  position: absolute;
  z-index: 2;
  right: 4.4vw;
  bottom: 7vh;
  width: 270px;
  padding: 20px;
  border-top: 1px solid rgba(255,255,255,.5);
  display: grid;
  gap: 8px;
}

.hero-proof span {
  font-size: 10px;
  color: #ccc;
}

.hero-proof strong {
  font-size: 12px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  background: #fff;
  padding: 0 4.4vw;
}

.metrics article {
  padding: 37px 30px;
  border-right: 1px solid var(--line);
  display: grid;
  gap: 7px;
}

.metrics article:first-child {
  border-left: 1px solid var(--line);
}

.metrics strong {
  font-size: 30px;
  letter-spacing: -.04em;
}

.metrics span {
  font-size: 11px;
  color: var(--muted);
}

.section {
  padding: 110px 8.5vw;
}

.section-label {
  display: flex;
  gap: 13px;
  align-items: center;
  font-size: 9px;
  letter-spacing: .16em;
  font-weight: 800;
  margin-bottom: 45px;
}

.section-label span:first-child {
  color: var(--red);
}

.section-label.on-dark {
  color: #aaa;
}

.intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  column-gap: 7vw;
  background: var(--paper);
}

.intro .section-label {
  grid-row: span 2;
  align-self: start;
}

.intro-copy h2,.materials h2,.collection h2,.production h2,.contact h2 {
  font-size: clamp(40px,5vw,74px);
  line-height: .98;
  letter-spacing: -.055em;
  margin: 0;
}

.intro-copy>p {
  font-size: 16px;
  line-height: 1.75;
  max-width: 650px;
  color: #555;
  margin: 30px 0 65px;
}

.benefit-grid {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(3,1fr);
  border-top: 1px solid #ccc;
}

.benefit-grid article {
  padding: 26px 28px 10px 0;
  border-right: 1px solid #ccc;
  min-height: 160px;
}

.benefit-grid article+article {
  padding-left: 28px;
}

.benefit-grid span,.finish-list span {
  font-size: 10px;
  color: var(--red);
  font-weight: 800;
}

.benefit-grid h3 {
  font-size: 17px;
  margin: 30px 0 10px;
}

.benefit-grid p {
  font-size: 12px;
  line-height: 1.6;
  color: #666;
}

.materials {
  background: var(--ink);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 8vw;
}

.materials-heading>p {
  color: #999;
  max-width: 560px;
  line-height: 1.7;
  font-size: 14px;
}

.material-cards {
  display: grid;
  gap: 14px;
}

.material-card {
  min-height: 270px;
  padding: 26px;
  display: grid;
  grid-template-columns: 100px 1fr;
  align-items: end;
  border: 1px solid #3b3b3b;
  background: linear-gradient(135deg,#222 50%,#2b2b2b 50%);
  position: relative;
  overflow: hidden;
}

.material-card.sml {
  background: linear-gradient(135deg,#222 42%,#413133 42%,#222 76%);
}

.material-card:after {
  content: "";
  position: absolute;
  width: 150px;
  height: 380px;
  background: rgba(255,255,255,.04);
  transform: rotate(25deg);
  right: 10%;
  top: -80px;
}

.card-number {
  align-self: start;
  font-size: 10px;
  color: #999;
  letter-spacing: .15em;
}

.material-card h3 {
  font-size: 25px;
  margin: 0 0 14px;
}

.material-card p {
  font-size: 12px;
  color: #bbb;
  line-height: 1.6;
  max-width: 470px;
}

.material-card ul {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.material-card li {
  border: 1px solid #444;
  border-radius: 20px;
  padding: 8px 11px;
  font-size: 9px;
  color: #ccc;
}

.collection {
  background: #fff;
}

.collection-head {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  align-items: end;
  gap: 6vw;
}

.collection-head>p {
  font-size: 14px;
  line-height: 1.7;
  color: #666;
  max-width: 420px;
}

.finish-list {
  margin-top: 70px;
  border-top: 1px solid var(--line);
}

.finish-list article {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
  transition: .2s;
}

.finish-list article:hover {
  padding-left: 18px;
  background: #f6f6f4;
}

.finish-list h3 {
  font-size: 26px;
  margin: 0;
}

.finish-list b {
  font-size: 10px;
  letter-spacing: .16em;
  color: #888;
}

.project-feature {
  height: 82vh;
  min-height: 620px;
  position: relative;
  color: #fff;
}

.project-feature img {
  height: 100%;
  object-fit: cover;
}

.project-feature:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg,rgba(0,0,0,.75),transparent 60%);
}

.project-caption {
  position: absolute;
  z-index: 2;
  left: 8.5vw;
  bottom: 10%;
  max-width: 750px;
}

.project-caption span {
  font-size: 9px;
  letter-spacing: .16em;
}

.project-caption h2 {
  font-size: clamp(42px,5vw,75px);
  line-height: 1;
  letter-spacing: -.05em;
  margin: 20px 0 0;
}

.applications {
  background: #fff;
}

.application-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
}

.application-grid article {
  height: 520px;
  position: relative;
  overflow: hidden;
}

.application-grid img {
  height: 100%;
  object-fit: cover;
  transition: .5s;
}

.application-grid article:hover img {
  transform: scale(1.03);
}

.application-grid article:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg,rgba(0,0,0,.7),transparent 50%);
}

.application-grid article div {
  position: absolute;
  z-index: 2;
  bottom: 25px;
  left: 25px;
  color: #fff;
}

.application-grid span {
  font-size: 10px;
}

.application-grid h3 {
  font-size: 22px;
  margin: 8px 0;
}

.production {
  background: #1c1c1c;
  color: #fff;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 9vw;
}

.production-copy p {
  color: #aaa;
  line-height: 1.7;
  max-width: 590px;
}

.process {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid #444;
}

.process li {
  display: grid;
  grid-template-columns: 70px 1fr;
  align-items: center;
  border-bottom: 1px solid #444;
  padding: 22px 0;
}

.process b {
  color: var(--red);
  font-size: 10px;
}

.process span {
  font-size: 18px;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10vw;
  background: #e9e9e5;
}

.contact-copy>p {
  max-width: 570px;
  line-height: 1.7;
  color: #555;
}

.contact-detail {
  margin-top: 70px;
  display: grid;
  gap: 8px;
}

.contact-detail span {
  font-size: 10px;
  color: #777;
}

.contact-detail a {
  font-size: 20px;
  font-weight: 700;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px 20px;
  background: #fff;
  padding: 40px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 10px;
  color: #777;
}

.contact-form input,.contact-form textarea {
  border: 0;
  border-bottom: 1px solid #aaa;
  background: transparent;
  padding: 10px 0;
  font: 14px Manrope;
  outline: 0;
}

.contact-form input:focus,.contact-form textarea:focus {
  border-color: var(--red);
}

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

.form-note {
  font-size: 9px;
  color: #888;
  margin: 0;
}

footer {
  background: #fff;
  padding: 55px 4.4vw 25px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 45px;
  border-top: 1px solid #ddd;
}

footer img {
  width: 140px;
}

footer p {
  font-size: 11px;
  color: #777;
  margin: 0;
}

footer div {
  grid-column: 1/-1;
  border-top: 1px solid #ddd;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: #777;
}

body[dir=rtl] .brand span {
  border-left: 0;
  border-right: 1px solid #ddd;
  padding-left: 0;
  padding-right: 16px;
}

body[dir=rtl] .hero-shade {
  background: linear-gradient(270deg,rgba(10,10,10,.83),rgba(10,10,10,.38) 52%,rgba(10,10,10,.05));
}

body[dir=rtl] .hero-proof {
  right: auto;
  left: 4.4vw;
}

body[dir=rtl] .benefit-grid article {
  padding: 26px 0 10px 28px;
  border-right: 0;
  border-left: 1px solid #ccc;
}

body[dir=rtl] .benefit-grid article+article {
  padding-right: 28px;
}

body[dir=rtl] .finish-list article:hover {
  padding-left: 0;
  padding-right: 18px;
}

body[dir=rtl] .project-caption {
  left: auto;
  right: 8.5vw;
}

body[dir=rtl] .application-grid article div {
  left: auto;
  right: 25px;
}

html[lang=zh] .hero h1,html[lang=zh] .intro-copy h2,html[lang=zh] .materials h2,html[lang=zh] .collection h2,html[lang=zh] .production h2,html[lang=zh] .contact h2 {
  letter-spacing: -.035em;
}

.language-menu {
  position: relative;
}

.language-menu summary {
  list-style: none;
  min-width: 132px;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  background: #fff;
}

.language-menu summary::-webkit-details-marker {
  display: none;
}

.language-menu summary b {
  color: var(--red);
  font-size: 13px;
}

.language-options {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 220px;
  padding: 8px;
  background: #fff;
  border: 1px solid #ddd;
  box-shadow: 0 18px 50px rgba(0,0,0,.14);
  display: grid;
  z-index: 50;
}

.language-options a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 12px;
  font-size: 11px;
  border-radius: 3px;
}

.language-options a:hover,.language-options a.active {
  background: #f1f1ef;
  color: var(--red);
}

.language-options a span {
  font-size: 8px;
  color: #999;
  letter-spacing: .12em;
}

body[dir=rtl] .language-options {
  right: auto;
  left: 0;
}

html[lang=hi] body {
  font-family: "Noto Sans Devanagari",Manrope,sans-serif;
}

.primary-languages {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border: 1px solid #ddd;
  border-radius: 40px;
}

.primary-languages a {
  min-height: 31px;
  padding: 7px 10px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  font-weight: 700;
  white-space: nowrap;
}

.primary-languages a b {
  font-size: 8px;
  color: #999;
  letter-spacing: .08em;
}

.primary-languages a:hover {
  color: var(--red);
}

.primary-languages a.active {
  background: var(--ink);
  color: #fff;
}

.primary-languages a.active b {
  color: #fff;
}

.language-menu summary {
  min-width: 92px;
}

.language-menu[open] summary {
  border-color: #aaa;
}

.realized-projects {
  background: var(--paper);
}

.projects-intro {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  align-items: end;
  gap: 6vw;
  margin-bottom: 72px;
}

.projects-intro h2 {
  font-size: clamp(40px,5vw,74px);
  line-height: .98;
  letter-spacing: -.055em;
  margin: 0;
}

.projects-intro>p {
  font-size: 14px;
  line-height: 1.75;
  color: #5d5d5d;
  max-width: 520px;
}

.project-catalogue {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px 18px;
}

.realized-card {
  display: flex;
  flex-direction: column;
}

.realized-card-wide {
  grid-column: 1/-1;
}

.project-gallery {
  height: 620px;
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 8px;
  overflow: hidden;
}

.realized-card:not(.realized-card-wide) .project-gallery {
  height: 540px;
  grid-template-columns: 1fr 1fr;
}

.project-gallery img {
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}

.project-gallery img+img {
  filter: saturate(.86);
}

.realized-card:hover .project-gallery img {
  transform: scale(1.018);
}

.realized-meta {
  display: grid;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid #cfcfcb;
  align-items: start;
  flex: 1;
}

.project-index,.project-type {
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: .12em;
  color: #777;
  font-weight: 700;
}

.project-type {
  text-align: right;
}

.realized-meta h3 {
  font-size: 22px;
  letter-spacing: -.025em;
  margin: 0 0 8px;
}

.realized-meta p {
  font-size: 12px;
  line-height: 1.65;
  color: #666;
  max-width: 560px;
  margin: 0;
}

body[dir=rtl] .project-type {
  text-align: left;
}

@media(max-width:1220px) {
  .primary-languages a span {
    display: none;
  }

  .primary-languages a {
    min-width: 32px;
    justify-content: center;
    padding: 7px;
  }

  .primary-languages a b {
    font-size: 9px;
    color: inherit;
  }

  .language-menu summary {
    min-width: 44px;
  }

  .language-menu summary span {
    font-size: 0;
  }

  .language-menu summary span:after {
    content: "•••";
    font-size: 10px;
    letter-spacing: .1em;
  }

}

@media(max-width:900px) {
  .site-header {
    height: 74px;
    padding: 0 20px;
  }

  .brand span,.desktop-nav,.button-small {
    display: none;
  }

  .header-actions {
    gap: 8px;
  }

  .lang {
    padding: 6px 8px;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    width: 100%;
    padding: 0 22px 120px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-proof {
    left: 22px!important;
    right: 22px!important;
    bottom: 22px;
    width: auto;
  }

  .metrics {
    grid-template-columns: 1fr 1fr;
    padding: 0;
  }

  .metrics article {
    padding: 24px 20px;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 75px 22px;
  }

  .intro,.materials,.production,.contact {
    grid-template-columns: 1fr;
  }

  .intro .section-label {
    grid-row: auto;
  }

  .intro-copy h2,.materials h2,.collection h2,.production h2,.contact h2 {
    font-size: 43px;
  }

  .benefit-grid {
    grid-column: 1;
    grid-template-columns: 1fr;
  }

  .benefit-grid article,.benefit-grid article+article {
    padding: 22px 0!important;
    border-right: 0!important;
    border-left: 0!important;
    border-bottom: 1px solid #ccc;
    min-height: auto;
  }

  .materials {
    gap: 50px;
  }

  .material-card {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .collection-head,.projects-intro {
    grid-template-columns: 1fr;
  }

  .projects-intro {
    gap: 28px;
    margin-bottom: 45px;
  }

  .finish-list {
    margin-top: 40px;
  }

  .finish-list article {
    grid-template-columns: 50px 1fr auto;
  }

  .project-feature {
    height: 70vh;
    min-height: 560px;
  }

  .project-catalogue {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .realized-card-wide {
    grid-column: auto;
  }

  .project-gallery,.realized-card:not(.realized-card-wide) .project-gallery {
    height: 520px;
    grid-template-columns: 1.35fr 1fr;
  }

  .realized-meta {
    grid-template-columns: 55px 1fr;
  }

  .project-type {
    grid-column: 2;
    text-align: left;
  }

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

  .application-grid article {
    height: 420px;
  }

  .production {
    gap: 60px;
  }

  .contact {
    gap: 55px;
  }

  .contact-form {
    padding: 25px;
    grid-template-columns: 1fr;
  }

  .contact-form label,.contact-form .full {
    grid-column: 1;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  footer {
    grid-template-columns: 1fr;
  }

}

@media(max-width:560px) {
  .site-header {
    padding: 0 14px;
  }

  .brand img {
    width: 106px;
  }

  .header-actions {
    gap: 5px;
  }

  .primary-languages {
    gap: 1px;
    padding: 2px;
  }

  .primary-languages a {
    min-width: 27px;
    min-height: 28px;
    padding: 6px 5px;
  }

  .language-menu summary {
    min-width: 35px;
    padding: 8px 9px;
    gap: 4px;
  }

  .language-menu summary b {
    font-size: 11px;
  }

  .language-options {
    position: fixed;
    top: 74px;
    left: 14px!important;
    right: 14px!important;
    width: auto;
    max-height: calc(100vh - 90px);
    overflow: auto;
  }

  .language-options a {
    padding: 13px 12px;
  }

}

@media(max-width:560px) {
  .project-gallery,.realized-card:not(.realized-card-wide) .project-gallery {
    height: 620px;
    grid-template-columns: 1fr;
    grid-template-rows: 1.35fr 1fr;
  }

  .realized-meta {
    grid-template-columns: 44px 1fr;
    gap: 12px;
  }

  .realized-meta h3 {
    font-size: 19px;
  }

  .projects-intro h2 {
    font-size: 40px;
  }

}