:root {
  --tk-ink: #171819;
  --tk-paper: #f2f1ec;
  --tk-warm: #e9e1d8;
  --tk-brick: #9f3028;
  --tk-cyan: #159ab5;
  --tk-red: #ff4338;
  --tk-orange: #ff9a4e;
  --tk-green: #86d890;
  --tk-blue: #68ace1;
  --tk-line: rgba(23, 24, 25, .19);
}

* { box-sizing: border-box; }

.tk-case {
  background: var(--tk-paper);
  color: var(--tk-ink);
  font-family: var(--sans);
}

.tk-case h1,
.tk-case h2,
.tk-case h3 {
  font-family: var(--display);
  font-weight: 400;
}

.tk-case .shell {
  width: min(1540px, calc(100% - 80px));
  margin-inline: auto;
}

.tk-case .header-cta {
  background: var(--tk-cyan);
}

.tk-section {
  padding: clamp(92px, 10vw, 180px) 0;
}

.eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.tk-hero {
  overflow: hidden;
  background: #f7f6f2;
}

.tk-hero__meta {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  padding-block: 28px;
  font-size: 10px;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.tk-hero__image {
  width: 100%;
  margin: 0;
  background: #5d2520;
}

.tk-hero__image img {
  display: block;
  width: 100%;
  height: auto;
}

.tk-hero__copy {
  position: relative;
  padding-block: clamp(54px, 7vw, 110px) clamp(72px, 9vw, 145px);
}

.tk-spectrum {
  position: absolute;
  inset: 0 0 auto;
  height: 9px;
  background: linear-gradient(90deg, var(--tk-red) 0 21%, var(--tk-orange) 21% 43%, var(--tk-green) 43% 69%, var(--tk-blue) 69% 100%);
}

.tk-hero h1 {
  max-width: 1260px;
  margin: 28px 0 50px;
  font-size: clamp(88px, 13.4vw, 226px);
  line-height: .78;
  letter-spacing: -.065em;
}

.tk-hero__lead {
  display: grid;
  grid-template-columns: minmax(0, 760px) auto;
  justify-content: space-between;
  align-items: end;
  gap: 50px;
  padding-top: 26px;
  border-top: 1px solid var(--tk-line);
}

.tk-hero__lead p {
  margin: 0;
  font-size: clamp(20px, 2vw, 34px);
  line-height: 1.25;
}

.tk-hero__lead span {
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.tk-facts {
  border-top: 1px solid var(--tk-line);
  background: #fff;
}

.tk-facts__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.tk-facts article {
  min-height: 235px;
  padding: 34px 38px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--tk-line);
  border-bottom: 1px solid var(--tk-line);
}

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

.tk-facts strong {
  font-family: var(--display);
  font-size: clamp(56px, 6vw, 108px);
  font-weight: 400;
  line-height: .85;
  letter-spacing: -.045em;
}

.tk-facts span {
  font-size: 10px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.tk-split {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(310px, 2fr);
  gap: clamp(48px, 9vw, 155px);
  align-items: start;
  margin-bottom: clamp(56px, 7vw, 108px);
}

.tk-split h2,
.tk-result h2 {
  max-width: 970px;
  margin: 20px 0 0;
  font-size: clamp(58px, 7vw, 122px);
  line-height: .9;
  letter-spacing: -.052em;
}

.tk-split > p,
.tk-split > div {
  padding-top: 34px;
  font-size: clamp(18px, 1.5vw, 25px);
  line-height: 1.42;
}

.tk-split p { margin: 0 0 1em; }

.tk-media,
.tk-gallery figure,
.tk-service-gallery figure,
.tk-engineering__drawing {
  margin: 0;
}

.tk-media img,
.tk-gallery img,
.tk-service-gallery img,
.tk-engineering__drawing img,
.tk-related__media img {
  display: block;
  width: 100%;
  height: auto;
}

.tk-media figcaption,
.tk-gallery figcaption,
.tk-service-gallery figcaption,
.tk-engineering__drawing figcaption {
  margin-top: 12px;
  font-size: 10px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.tk-media--wide { width: 100%; }
.tk-media--wide figcaption { padding-inline: 40px; }

.tk-intro { background: var(--tk-warm); }

.tk-gradient {
  overflow: hidden;
  background: #fff;
}

.tk-split--gradient h2 { color: #12171a; }

.tk-legend {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  border: 1px solid var(--tk-line);
  border-bottom: 0;
}

.tk-legend span {
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-right: 1px solid var(--tk-line);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.tk-legend span:last-child { border-right: 0; }
.tk-legend i { width: 16px; height: 16px; border-radius: 50%; }
.tk-legend i.is-red { background: var(--tk-red); }
.tk-legend i.is-orange { background: var(--tk-orange); }
.tk-legend i.is-green { background: var(--tk-green); }
.tk-legend i.is-blue { background: var(--tk-blue); }

.tk-program {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0;
  border-inline: 1px solid var(--tk-line);
  border-top: 1px solid var(--tk-line);
}

.tk-program article {
  min-height: 132px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  border-right: 1px solid var(--tk-line);
}

.tk-program article:last-child { border-right: 0; }
.tk-program strong { font-family: var(--display); font-size: clamp(46px, 4.5vw, 78px); font-weight: 400; line-height: .8; }
.tk-program span { max-width: 130px; font-size: 9px; line-height: 1.35; letter-spacing: .08em; text-transform: uppercase; }

.tk-plan {
  padding: 0;
  border: 1px solid var(--tk-line);
  background: #f8f8f5;
}

.tk-plan__toolbar {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  border-bottom: 1px solid var(--tk-line);
}

.tk-plan__tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.tk-plan__tabs button {
  min-height: 94px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border: 0;
  border-right: 1px solid var(--tk-line);
  background: transparent;
  color: var(--tk-ink);
  text-align: left;
  cursor: pointer;
  transition: color 220ms ease, background-color 220ms ease;
}

.tk-plan__tabs button span {
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.tk-plan__tabs button[aria-selected="true"] {
  background: var(--tk-ink);
  color: #fff;
}

.tk-plan__tabs button:focus-visible { outline: 2px solid var(--tk-cyan); outline-offset: -4px; }

.tk-plan__stage {
  position: relative;
  aspect-ratio: 1121 / 485;
  overflow: hidden;
  background: #fff;
}

.tk-plan__stage figure {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 420ms ease, visibility 0s linear 420ms;
}

.tk-plan__stage figure.is-active {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.tk-plan__stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tk-plan__notes {
  position: relative;
  min-height: 145px;
  border-top: 1px solid var(--tk-line);
}

.tk-plan__notes article {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 52px 250px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 26px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 260ms ease;
}

.tk-plan__notes article.is-active { opacity: 1; visibility: visible; }
.tk-plan__notes span { font-size: 11px; color: #7c7d7b; }
.tk-plan__notes strong { font-family: var(--display); font-size: 32px; font-weight: 400; line-height: 1; }
.tk-plan__notes p { max-width: 700px; margin: 0; line-height: 1.45; }

.tk-zones {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin-top: clamp(70px, 7vw, 120px);
}

.tk-zones article {
  min-height: 330px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(0, 0, 0, .17);
}

.tk-zones article.is-red { background: var(--tk-red); }
.tk-zones article.is-orange { background: var(--tk-orange); }
.tk-zones article.is-green { background: var(--tk-green); }
.tk-zones article.is-blue { background: var(--tk-blue); }
.tk-zones span { font-size: 11px; }
.tk-zones h3 { margin: auto 0 18px; font-size: clamp(38px, 3.1vw, 58px); line-height: .92; }
.tk-zones p { margin: 0; line-height: 1.38; }

.tk-autonomy { background: #201a19; color: #f4f0e9; }

.tk-contours {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0;
  margin-bottom: clamp(70px, 9vw, 140px);
}

.tk-contours article {
  min-height: 290px;
  display: grid;
  grid-template-columns: 130px repeat(3, 1fr);
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .22);
}

.tk-contours article + article { border-left: 0; }
.tk-contours article > span { align-self: stretch; display: grid; place-items: center; border-right: 1px solid rgba(255,255,255,.22); font-family: var(--display); font-size: 100px; }
.tk-contours article div { padding: 22px; }
.tk-contours strong { display: block; font-family: var(--display); font-size: clamp(48px, 4vw, 78px); font-weight: 400; line-height: .85; }
.tk-contours small { display: block; margin-top: 14px; color: #beb6af; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.tk-autonomy .tk-media figcaption { color: #b7afa8; }

.tk-workspaces { background: #eae7df; }

.tk-gallery {
  display: grid;
  gap: 18px;
}

.tk-gallery--pair { grid-template-columns: 1fr 1fr; }
.tk-workspaces .tk-media { margin-block: clamp(65px, 7vw, 110px); }

.tk-engineering { background: #18252a; color: #f3f4ef; }
.tk-logistics { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0; margin-bottom: 54px; }
.tk-logistics article { min-height: 155px; display: flex; align-items: end; justify-content: space-between; gap: 20px; padding: 24px 28px; border: 1px solid rgba(255,255,255,.2); border-right: 0; }
.tk-logistics article:last-child { border-right: 1px solid rgba(255,255,255,.2); }
.tk-logistics strong { font-family: var(--display); font-size: clamp(58px, 5vw, 88px); font-weight: 400; line-height: .8; }
.tk-logistics span { max-width: 140px; font-size: 9px; line-height: 1.4; letter-spacing: .08em; text-transform: uppercase; color: #bec8ca; }
.tk-engineering__drawing { padding: clamp(20px, 3vw, 54px); background: #fff; color: var(--tk-ink); }
.tk-engineering__drawing img { width: min(1680px, 100%); margin-inline: auto; }
.tk-engineering__drawing figcaption { width: min(1680px, 100%); margin: 12px auto 0; }

.tk-engineering__facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin-top: 52px;
}

.tk-engineering__facts article {
  min-height: 250px;
  padding: 28px;
  border: 1px solid rgba(255,255,255,.2);
  border-right: 0;
}

.tk-engineering__facts article:last-child { border-right: 1px solid rgba(255,255,255,.2); }
.tk-engineering__facts strong { display: block; min-height: 78px; font-family: var(--display); font-size: clamp(38px, 3.4vw, 60px); font-weight: 400; line-height: .94; }
.tk-engineering__facts p { margin: 48px 0 0; color: #bec8ca; line-height: 1.42; }

.tk-flexibility { background: #f4f3ef; }

.tk-flexibility__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0;
  margin-bottom: clamp(70px, 8vw, 130px);
}

.tk-flexibility__steps article {
  min-height: 310px;
  padding: 28px;
  border: 1px solid var(--tk-line);
  border-right: 0;
}

.tk-flexibility__steps article:last-child { border-right: 1px solid var(--tk-line); }
.tk-flexibility__steps span { font-size: 11px; color: #8c8c88; }
.tk-flexibility__steps h3 { margin: 115px 0 18px; font-size: clamp(46px, 4.2vw, 74px); line-height: .9; }
.tk-flexibility__steps p { max-width: 360px; margin: 0; line-height: 1.4; }

.tk-service-gallery {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 18px;
  align-items: start;
}

.tk-result { background: var(--tk-brick); color: #fff; }
.tk-result__grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(460px, 2fr); gap: clamp(50px, 9vw, 150px); align-items: end; }
.tk-result__values { display: grid; grid-template-columns: repeat(3, 1fr); }
.tk-result__values article { min-height: 220px; padding: 24px; border: 1px solid rgba(255,255,255,.35); border-right: 0; }
.tk-result__values article:last-child { border-right: 1px solid rgba(255,255,255,.35); }
.tk-result__values span { font-size: 10px; opacity: .7; }
.tk-result__values strong { display: block; margin-top: 92px; font-family: var(--display); font-size: clamp(38px, 3vw, 58px); font-weight: 400; line-height: .9; }
.tk-result__values p { margin: 8px 0 0; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

.tk-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin-top: clamp(70px, 8vw, 130px);
}

.tk-timeline article { min-height: 150px; padding: 22px; border-top: 1px solid rgba(255,255,255,.38); border-right: 1px solid rgba(255,255,255,.28); }
.tk-timeline article:last-child { border-right: 0; }
.tk-timeline time,.tk-timeline span { display: block; margin-bottom: 50px; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; opacity: .72; }
.tk-timeline strong { display: block; max-width: 220px; font-weight: 400; line-height: 1.35; }

.tk-related { background: var(--tk-warm); }
.tk-related__grid { display: grid; grid-template-columns: 2fr 3fr; gap: 80px; align-items: center; }
.tk-related h2 { margin: 24px 0 28px; font-size: clamp(70px, 8vw, 138px); line-height: .82; letter-spacing: -.05em; }
.tk-related p { max-width: 520px; line-height: 1.45; }
.tk-related a { color: inherit; }
.tk-related__media { position: relative; color: #fff; }
.tk-related__media span { position: absolute; right: 18px; bottom: 18px; padding: 10px 12px; background: var(--tk-ink); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }

.case-contact { padding-top: 120px; }
.contact__details button { color: inherit; }

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .72s ease, transform .72s ease;
}

.js [data-reveal].is-visible,
.is-static [data-reveal],
.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (max-width: 1180px) {
  .tk-contours { grid-template-columns: 1fr; }
  .tk-contours article + article { border-left: 1px solid rgba(255,255,255,.22); border-top: 0; }
  .tk-result__grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .tk-case .shell { width: min(100% - 36px, 1540px); }
  .tk-section { padding: 88px 0; }
  .tk-hero__meta { padding-block: 20px; }
  .tk-hero h1 { font-size: clamp(78px, 20vw, 158px); margin-bottom: 38px; }
  .tk-hero__lead,.tk-split,.tk-related__grid { grid-template-columns: 1fr; }
  .tk-hero__lead span { display: none; }
  .tk-facts__grid { grid-template-columns: 1fr 1fr; }
  .tk-split { gap: 24px; }
  .tk-split > p,.tk-split > div { padding-top: 0; }
  .tk-legend { grid-template-columns: 1fr 1fr; }
  .tk-legend span:nth-child(2) { border-right: 0; }
  .tk-legend span:nth-child(-n+2) { border-bottom: 1px solid var(--tk-line); }
  .tk-plan__notes article { grid-template-columns: 40px 190px minmax(0,1fr); }
  .tk-zones { grid-template-columns: 1fr 1fr; }
  .tk-zones article { min-height: 290px; }
  .tk-contours article { grid-template-columns: 100px repeat(3, 1fr); }
  .tk-gallery--pair,.tk-service-gallery { grid-template-columns: 1fr; }
  .tk-engineering__facts { grid-template-columns: 1fr 1fr; }
  .tk-engineering__facts article:nth-child(2) { border-right: 1px solid rgba(255,255,255,.2); }
  .tk-engineering__facts article:nth-child(n+3) { border-top: 0; }
  .tk-flexibility__steps { grid-template-columns: 1fr; }
  .tk-flexibility__steps article { min-height: 230px; border-right: 1px solid var(--tk-line); border-bottom: 0; }
  .tk-flexibility__steps article:last-child { border-bottom: 1px solid var(--tk-line); }
  .tk-flexibility__steps h3 { margin-top: 70px; }
  .tk-timeline { grid-template-columns: 1fr 1fr; }
  .tk-timeline article:nth-child(2) { border-right: 0; }
  .tk-timeline article:nth-child(n+3) { border-top: 0; }
  .tk-related__grid { gap: 44px; }
}

@media (max-width: 600px) {
  .tk-case .shell { width: calc(100% - 24px); }
  .tk-split > * { min-width: 0; }
  .tk-hero__meta { font-size: 8px; }
  .tk-hero__meta span:last-child { display: none; }
  .tk-hero__copy { padding-top: 48px; }
  .tk-hero h1 { font-size: 20vw; line-height: .84; }
  .tk-hero__lead p { font-size: 19px; }
  .tk-facts article { min-height: 150px; padding: 20px; }
  .tk-facts strong { font-size: 13vw; }
  .tk-split h2,.tk-result h2 { font-size: 12.8vw; line-height: .96; }
  .tk-media--wide figcaption { padding-inline: 12px; }
  .tk-plan__tabs button { min-height: 76px; display: block; padding: 16px 12px; }
  .tk-plan__tabs button span { display: block; margin-top: 8px; font-size: 8px; }
  .tk-plan__toolbar > p { font-size: 10px; padding: 16px; }
  .tk-plan__notes { min-height: 210px; }
  .tk-plan__notes article { grid-template-columns: 34px 1fr; gap: 12px; padding: 18px 14px; }
  .tk-plan__notes p { grid-column: 2; }
  .tk-zones { grid-template-columns: 1fr; }
  .tk-zones article { min-height: 240px; border-right: 0; border-bottom: 1px solid rgba(0,0,0,.16); }
  .tk-contours article { grid-template-columns: 72px 1fr; }
  .tk-contours article > span { grid-row: span 3; font-size: 64px; }
  .tk-contours article div { padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,.16); }
  .tk-contours article div:last-child { border-bottom: 0; }
  .tk-contours strong { font-size: 48px; }
  .tk-engineering__drawing { padding: 10px; }
  .tk-program,.tk-logistics { grid-template-columns: 1fr; }
  .tk-program article,.tk-logistics article { min-height: 108px; border-right: 1px solid var(--tk-line); border-bottom: 0; }
  .tk-program article:last-child { border-bottom: 1px solid var(--tk-line); }
  .tk-logistics article { border-color: rgba(255,255,255,.2); }
  .tk-logistics article:last-child { border-bottom: 1px solid rgba(255,255,255,.2); }
  .tk-engineering__facts { grid-template-columns: 1fr; }
  .tk-engineering__facts article,.tk-engineering__facts article:nth-child(2) { border-right: 1px solid rgba(255,255,255,.2); border-bottom: 0; }
  .tk-engineering__facts article:last-child { border-bottom: 1px solid rgba(255,255,255,.2); }
  .tk-result__values { grid-template-columns: 1fr; }
  .tk-result__values article { min-height: 150px; border-right: 1px solid rgba(255,255,255,.35); border-bottom: 0; }
  .tk-result__values article:last-child { border-bottom: 1px solid rgba(255,255,255,.35); }
  .tk-result__values strong { margin-top: 44px; }
  .tk-timeline { grid-template-columns: 1fr; }
  .tk-timeline article { border-right: 0; }
  .tk-timeline article:not(:first-child) { border-top: 0; }
  .tk-related h2 { font-size: 17vw; }
}

@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .site-header,.mobile-menu,.contact { display: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
  .tk-section { break-inside: avoid; }
}