:root {
  --paper: #f7f7f4;
  --white: #fff;
  --ink: #121212;
  --muted: #696963;
  --line: #d7d7d1;
  --copper: #b7653d;
  --page: 1240px;
  --grid-gap: clamp(16px, 1.9vw, 28px);
  --side: max(24px, calc((100vw - var(--page)) / 2));
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button { color: inherit; }
h1, h2, p, dl, figure { margin: 0; }

.page-frame {
  width: min(calc(100% - 48px), var(--page));
  margin: 0 auto;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  background: rgba(247, 247, 244, .94);
  transition: background-color 200ms ease, backdrop-filter 200ms ease;
}

.site-header.is-scrolled {
  background: rgba(247, 247, 244, .78);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  width: min(calc(100% - 48px), var(--page));
  height: 72px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.site-logo,
.footer-logo {
  display: block;
  line-height: 0;
  text-decoration: none;
}

.site-logo { width: 190px; }

.site-logo img,
.footer-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.footer-logo { width: clamp(270px, 30vw, 410px); }

.header-action { text-decoration: none; text-underline-offset: 5px; }
.header-action { justify-self: end; font-weight: 500; }
.header-action:hover { text-decoration: underline; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .96fr) minmax(500px, 1.04fr);
  min-height: calc(100vh - 72px);
}

.hero-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(58px, 7vw, 94px) clamp(38px, 5vw, 68px) 56px 40px;
  border-right: 1px solid var(--line);
}

h1 {
  max-width: 10.8ch;
  font-size: clamp(46px, 5vw, 68px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -.044em;
}

.hero-copy-bottom {
  display: grid;
  gap: 30px;
  max-width: 510px;
  padding-top: 88px;
}

.hero-copy-bottom > p {
  max-width: 52ch;
  letter-spacing: -.01em;
}

.hero-actions { display: flex; align-items: center; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--ink);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease;
}

.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { background: transparent; color: var(--ink); }

.quote-story {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 28px 34px 30px;
  background-color: #fbfbf9;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
}

.visual-head {
  display: flex;
  min-height: 34px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
}

.quote-demo {
  position: relative;
  flex: 1;
  min-height: 516px;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: rgba(255, 255, 255, .94);
}

.demo-copy { position: absolute; top: 25px; left: 26px; }
.demo-copy h2 { font-size: 20px; font-weight: 500; line-height: 1.25; letter-spacing: -.02em; }
.demo-copy p { margin-top: 4px; color: var(--muted); font-size: 13px; }

.demo-file {
  position: absolute;
  z-index: 5;
  top: 108px;
  left: 26px;
  display: flex;
  width: min(292px, calc(100% - 52px));
  min-height: 86px;
  align-items: center;
  gap: 14px;
  padding: 15px 17px;
  border: 1px solid var(--ink);
  background: var(--white);
  box-shadow: 0 8px 24px rgba(18, 18, 18, .06);
  transition: transform 900ms cubic-bezier(.22,.76,.2,1), opacity 180ms ease;
}

.demo-file svg { width: 29px; flex: 0 0 auto; fill: none; stroke: var(--ink); stroke-width: 1.25; }
.demo-file .file-copper { stroke: var(--copper); }
.demo-file strong, .demo-file small { display: block; }
.demo-file strong { font-size: 14px; font-weight: 500; }
.demo-file small { margin-top: 3px; color: var(--muted); font-size: 12px; }

.drop-target, .quote-result {
  position: absolute;
  top: 226px;
  right: 26px;
  left: 26px;
  min-height: 218px;
  border: 1px solid var(--ink);
  background: var(--white);
}

.drop-target {
  z-index: 2;
  display: grid;
  place-items: center;
  transition: border-color 180ms ease, background-color 180ms ease, opacity 220ms ease;
}

.drop-idle { text-align: center; transition: opacity 160ms ease; }
.drop-idle strong { display: block; margin-top: 8px; font-size: 14px; font-weight: 500; }
.drop-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line);
  font-size: 20px;
}

.drop-processing { display: none; width: 100%; padding: 27px; }
.processing-file { display: flex; justify-content: space-between; gap: 20px; font-size: 13px; }
.processing-file span:last-child { color: var(--muted); }
.progress-track { height: 2px; margin: 56px 0 18px; overflow: hidden; background: var(--line); }
.progress-track span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
}
.drop-processing p { color: var(--muted); font-size: 13px; }

.quote-result {
  z-index: 1;
  display: grid;
  grid-template-rows: 1fr auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  visibility: hidden;
  transition: opacity 360ms ease, transform 360ms ease;
}

.quote-result dl { display: grid; grid-template-columns: 1fr 1fr; }
.quote-result dl div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 22px;
  border-right: 1px solid var(--line);
}
.quote-result dl div:last-child { border-right: 0; }
.quote-result dt { color: var(--muted); font-size: 12px; }
.quote-result dd { margin: 16px 0 0; font-size: 31px; font-weight: 500; letter-spacing: -.04em; }
.quote-buy {
  display: flex;
  width: auto;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  margin: 0 16px 16px;
  border: 0;
  padding: 0 17px;
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.quote-buy span { transition: transform 220ms ease; }
.quote-buy:hover span { transform: translateX(5px); }

.demo-cursor {
  position: absolute;
  z-index: 10;
  top: 160px;
  left: 270px;
  width: 24px;
  fill: var(--white);
  stroke: var(--ink);
  stroke-linejoin: round;
  stroke-width: 1.4;
  filter: drop-shadow(0 2px 1px rgba(0, 0, 0, .12));
  transition: transform 900ms cubic-bezier(.22,.76,.2,1), opacity 160ms ease;
}

.quote-demo[data-state="dragging"] .demo-file { transform: translate(var(--file-x, 90px), var(--file-y, 150px)); }
.quote-demo[data-state="dragging"] .demo-cursor { transform: translate(var(--cursor-x, 86px), var(--cursor-y, 142px)); }
.quote-demo[data-state="dragging"] .drop-target { border-color: var(--copper); background: #fdf8f5; }
.quote-demo[data-state="dragging"] .drop-idle { opacity: 0; }
.quote-demo[data-state="processing"] .demo-file,
.quote-demo[data-state="processing"] .demo-cursor { opacity: 0; }
.quote-demo[data-state="processing"] .drop-idle { display: none; }
.quote-demo[data-state="processing"] .drop-processing { display: block; }
.quote-demo[data-state="processing"] .progress-track span { animation: process-file 1s linear both; }
.quote-demo[data-state="quoted"] .demo-file,
.quote-demo[data-state="quoted"] .demo-cursor,
.quote-demo[data-state="quoted"] .drop-target { opacity: 0; }
.quote-demo[data-state="quoted"] .quote-result {
  z-index: 4;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}
.quote-demo.is-resetting .demo-file, .quote-demo.is-resetting .demo-cursor { transition: none; }
@keyframes process-file { to { transform: scaleX(1); } }

.section-space { padding: 176px 40px; }
.section-copy { display: grid; gap: 30px; }
.section-copy h2 {
  max-width: 14ch;
  font-size: clamp(38px, 4.1vw, 56px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -.043em;
}
.section-copy p { max-width: 525px; font-size: 17px; line-height: 1.5; }

.secret {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(480px, 1.12fr);
  gap: 80px;
  align-items: center;
  border-top: 1px solid var(--line);
}

.must-exist {
  width: 100%;
  padding: clamp(132px, 14vw, 188px) 0 clamp(36px, 4vw, 52px);
  border-top: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
}

.must-exist-inner {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  width: min(calc(100% - 80px), var(--page));
  margin: 0 auto;
}

.must-exist .section-copy {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: end;
}

.must-exist .section-copy h2 {
  grid-column: 1 / span 8;
  max-width: 11ch;
  font-size: clamp(58px, 6.6vw, 92px);
  line-height: .94;
  letter-spacing: -.06em;
}

.must-exist .section-copy p {
  grid-column: 9 / -1;
  max-width: 38ch;
  padding-bottom: .4em;
  color: #cacac3;
  font-size: clamp(16px, 1.45vw, 19px);
}

.iteration-visual {
  position: relative;
  grid-column: 1 / -1;
  margin-top: clamp(92px, 10vw, 136px);
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, .32);
  border-bottom: 1px solid rgba(255, 255, 255, .32);
  background:
    radial-gradient(circle at 50% 72%, rgba(183, 101, 61, .14), transparent 25%),
    linear-gradient(90deg, transparent calc(50% - .5px), rgba(255, 255, 255, .07) 50%, transparent calc(50% + .5px));
}

.iteration-stage {
  position: relative;
  min-height: 740px;
}

.iteration-map {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.iteration-short-route,
.iteration-route,
.iteration-pulse {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.iteration-short-route {
  stroke: rgba(255, 255, 255, .18);
  stroke-dasharray: .012 .014;
  stroke-width: 1px;
}

.iteration-route {
  stroke: rgba(255, 255, 255, .28);
  stroke-width: 1px;
}

.iteration-pulse {
  stroke: var(--copper);
  stroke-dasharray: .055 .945;
  stroke-dashoffset: 1;
  stroke-linecap: round;
  stroke-width: 3px;
  filter: drop-shadow(0 0 6px rgba(183, 101, 61, .7));
  opacity: 0;
}

.iteration-visual.is-visible .iteration-pulse {
  animation: iteration-travel 7s linear 900ms infinite;
}

.iteration-route-nodes { fill: var(--ink); stroke: rgba(255, 255, 255, .42); stroke-width: 1.5; }
.iteration-route-nodes circle:nth-child(6) { stroke: var(--copper); }

.iteration-node {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 6px;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms ease, transform 900ms cubic-bezier(.16, 1, .3, 1);
}

.iteration-node > span {
  color: #85857e;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
}

.iteration-node strong {
  font-size: clamp(32px, 4.1vw, 58px);
  font-weight: 400;
  line-height: .95;
  letter-spacing: -.055em;
}

.iteration-node small {
  margin-top: 7px;
  color: #8d8d86;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.iteration-design { top: 48px; left: 4.2%; }
.iteration-board { top: 48px; left: 63.2%; }
.iteration-test { top: 48px; right: 2%; }
.iteration-revise { top: 475px; right: 2%; text-align: right; }

.iteration-visual.is-visible .iteration-node { opacity: 1; transform: none; }
.iteration-visual.is-visible .iteration-board { transition-delay: 180ms; }
.iteration-visual.is-visible .iteration-test { transition-delay: 360ms; }
.iteration-visual.is-visible .iteration-revise { transition-delay: 540ms; }

.iteration-china {
  position: absolute;
  z-index: 2;
  top: 445px;
  left: 50%;
  display: grid;
  width: 240px;
  gap: 9px;
  color: #8d8d86;
  font-size: 11px;
  letter-spacing: .06em;
  opacity: 0;
  text-align: center;
  text-transform: uppercase;
  transform: translate(-50%, 12px);
  transition: opacity 600ms ease 700ms, transform 900ms cubic-bezier(.16, 1, .3, 1) 700ms;
}

.iteration-china strong {
  color: var(--white);
  font-size: clamp(42px, 5.7vw, 76px);
  font-weight: 400;
  line-height: .9;
  letter-spacing: -.06em;
  text-transform: none;
}

.iteration-visual.is-visible .iteration-china { opacity: 1; transform: translate(-50%, 0); }

.iteration-wait {
  position: absolute;
  top: 187px;
  left: 50%;
  padding: 7px 10px;
  background: var(--ink);
  color: #8d8d86;
  font-size: 11px;
  letter-spacing: .06em;
  opacity: 0;
  text-transform: uppercase;
  transform: translateX(-50%);
  transition: opacity 500ms ease 1.1s;
}

.iteration-visual.is-visible .iteration-wait { opacity: 1; }

@keyframes iteration-travel {
  0% { stroke-dashoffset: 1; opacity: 0; }
  4%, 92% { opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

.secret {
  grid-template-columns: minmax(0, 1.05fr) minmax(480px, .95fr);
  padding-top: 220px;
  padding-bottom: 220px;
  background: var(--white);
}
.secret .section-copy { gap: 38px; }
.secret-copy-body {
  display: grid;
  gap: 22px;
}
.secret .section-copy h2 {
  max-width: 11ch;
  font-size: clamp(52px, 5.7vw, 82px);
  line-height: .98;
  letter-spacing: -.055em;
}
.secret .section-copy p {
  max-width: 590px;
  font-size: 19px;
}
.secret .section-copy a {
  color: inherit;
  text-decoration-color: var(--copper);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.panel-demo { border: 1px solid var(--ink); background: var(--paper); }
.panel-demo > .visual-head { min-height: 56px; align-items: center; padding: 0 20px; border-bottom: 1px solid var(--line); }
.panel-field { position: relative; min-height: 410px; overflow: hidden; }
.production-panel {
  position: absolute;
  top: 72px;
  right: 58px;
  width: 270px;
  height: 260px;
  border: 1px solid var(--ink);
  background-color: #fbfbf8;
  background-image:
    linear-gradient(#e8e8e3 1px, transparent 1px),
    linear-gradient(90deg, #e8e8e3 1px, transparent 1px);
  background-size: 26px 26px;
}
.panel-hole { position: absolute; width: 7px; height: 7px; border: 1px solid var(--ink); border-radius: 50%; background: var(--paper); }
.panel-hole-a { top: 8px; left: 8px; }.panel-hole-b { top: 8px; right: 8px; }
.panel-hole-c { bottom: 8px; left: 8px; }.panel-hole-d { right: 8px; bottom: 8px; }
.order-board {
  position: absolute;
  z-index: 2;
  display: grid;
  width: 104px;
  height: 80px;
  place-items: center;
  border: 1px solid var(--ink);
  background:
    radial-gradient(circle at 16px 17px, var(--copper) 0 2px, transparent 2.5px),
    linear-gradient(33deg, transparent 46%, var(--copper) 47% 48%, transparent 49%),
    var(--white);
  font-size: 12px;
  transition: transform 1.4s cubic-bezier(.22,.76,.2,1);
}
.board-a { top: 36px; left: 30px; }.board-b { top: 134px; left: 68px; }
.board-c { top: 250px; left: 28px; }.board-d { top: 300px; left: 150px; }
.panel-demo.is-packed .order-board { transform: translate(var(--pack-x), var(--pack-y)); }
.panel-result { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.panel-result span { padding: 16px 12px; border-right: 1px solid var(--line); text-align: center; color: var(--muted); font-size: 12px; }
.panel-result span:last-child { border-right: 0; }

.process-system {
  overflow: clip;
  border-top: 1px solid var(--line);
  background: #efefe9;
  --process-handoff: 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  width: min(calc(100% - 80px), var(--page));
  margin: 0 auto;
}

.process-opening {
  min-height: min(92svh, 920px);
  align-content: space-between;
  padding-top: clamp(138px, 14vw, 190px);
  padding-bottom: clamp(92px, 9vw, 128px);
}

.process-opening h2 {
  grid-column: 1 / span 9;
  max-width: 14ch;
  scroll-margin-top: 96px;
  font-size: clamp(62px, 6.8vw, 94px);
  font-weight: 500;
  line-height: .94;
  letter-spacing: -.06em;
}

.process-opening > p {
  grid-column: 8 / -1;
  max-width: 39ch;
  color: #4f4f4a;
  font-size: clamp(17px, 1.45vw, 20px);
  line-height: 1.5;
}

.process-sequence {
  position: relative;
  height: 480svh;
  isolation: isolate;
  border-top: 1px solid #c8c8c1;
}

.process-sequence::after {
  position: absolute;
  z-index: 0;
  right: 0;
  bottom: 0;
  left: 0;
  height: calc(100svh - 72px);
  content: "";
  background-image:
    radial-gradient(circle at 14% 50%, var(--copper) 0 2px, transparent 2.5px),
    radial-gradient(circle at 86% 50%, var(--copper) 0 2px, transparent 2.5px),
    linear-gradient(0deg, transparent calc(50% - .7px), rgba(183, 101, 61, .65) 50%, transparent calc(50% + .7px)),
    linear-gradient(90deg, rgba(18, 18, 18, .22) 1px, transparent 1px),
    linear-gradient(rgba(18, 18, 18, .22) 1px, transparent 1px);
  background-size: 25% 33.333%;
  opacity: var(--process-handoff);
  will-change: opacity;
}

.process-sticky {
  position: sticky;
  z-index: 1;
  top: 72px;
  height: calc(100svh - 72px);
  min-height: 0;
  overflow: hidden;
}

.process-stage {
  height: 100%;
  align-items: center;
  padding-top: clamp(20px, 3vh, 32px);
  padding-bottom: clamp(20px, 3vh, 32px);
  opacity: calc(1 - var(--process-handoff));
  transform: translate3d(0, calc(var(--process-handoff) * -22px), 0);
  will-change: opacity, transform;
}

.process-narrative {
  position: relative;
  z-index: 2;
  grid-column: 1 / span 4;
  align-self: stretch;
  padding: clamp(24px, 4vh, 44px) 0 24px;
}

.process-kicker {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.process-copy-stack {
  position: relative;
  min-height: 210px;
  margin-top: clamp(34px, 6vh, 68px);
}

.process-copy {
  position: absolute;
  inset: 0 auto auto 0;
  max-width: 34ch;
  font-size: clamp(17px, 1.45vw, 20px);
  line-height: 1.5;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 480ms ease, transform 760ms cubic-bezier(.16, 1, .3, 1);
}

.process-copy-refine { opacity: 1; transform: none; }
.process-system.is-testing .process-copy-refine { opacity: 0; transform: translateY(-18px); }
.process-system.is-testing .process-copy-test { opacity: 1; transform: none; }

.process-actions {
  position: absolute;
  right: 0;
  bottom: 24px;
  left: 0;
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid #c8c8c1;
  list-style: none;
}

.process-actions li {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  min-height: 36px;
  border-bottom: 1px solid #d7d7d1;
  color: #8c8c85;
  font-size: 12px;
  letter-spacing: .045em;
  text-transform: uppercase;
  transition: color 300ms ease, padding-left 500ms cubic-bezier(.16, 1, .3, 1);
}

.process-actions li span { font-size: 10px; font-variant-numeric: tabular-nums; }
.process-system[data-process-step="1"] .process-actions li:nth-child(1),
.process-system[data-process-step="2"] .process-actions li:nth-child(2),
.process-system[data-process-step="3"] .process-actions li:nth-child(3),
.process-system[data-process-step="4"] .process-actions li:nth-child(4),
.process-system[data-process-step="5"] .process-actions li:nth-child(5) {
  padding-left: 8px;
  color: var(--copper);
}

.master-workbench {
  position: relative;
  display: grid;
  grid-template-rows: 48px minmax(0, 1fr) 48px;
  grid-column: 5 / -1;
  width: 100%;
  height: min(720px, calc(100svh - 112px));
  min-height: 360px;
  border: 1px solid #bdbdb6;
  background-color: rgba(247, 247, 244, .68);
  background-image:
    linear-gradient(rgba(18, 18, 18, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 18, 18, .045) 1px, transparent 1px);
  background-size: 36px 36px;
  box-shadow: 0 28px 80px rgba(18, 18, 18, .055);
}

.workbench-head,
.workbench-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 48px;
  padding: 0 18px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .075em;
  text-transform: uppercase;
}

.workbench-head { border-bottom: 1px solid #c8c8c1; }
.workbench-foot { border-top: 1px solid #c8c8c1; }
.workbench-foot span:last-child { text-align: right; }

.workbench-status {
  position: relative;
  display: block;
  min-width: 190px;
  min-height: 14px;
  color: var(--copper);
  text-align: right;
}

.workbench-status i {
  position: absolute;
  inset: 0 0 auto auto;
  font-style: normal;
  opacity: 0;
  transition: opacity 280ms ease;
}

.master-workbench[data-step="0"] .workbench-status i:nth-child(1),
.master-workbench[data-step="1"] .workbench-status i:nth-child(2),
.master-workbench[data-step="2"] .workbench-status i:nth-child(3),
.master-workbench[data-step="3"] .workbench-status i:nth-child(4),
.master-workbench[data-step="4"] .workbench-status i:nth-child(5),
.master-workbench[data-step="5"] .workbench-status i:nth-child(6) { opacity: 1; }

.master-tile {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-height: none;
}

.master-tile g,
.master-tile path,
.master-tile rect,
.master-tile circle {
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity 540ms ease, transform 900ms cubic-bezier(.16, 1, .3, 1), stroke-dashoffset 1.1s cubic-bezier(.16, 1, .3, 1);
}

.master-tile text {
  fill: #73736d;
  font: 500 10px/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
  letter-spacing: .08em;
}

.tile-guides,
.tile-frame {
  fill: none;
  stroke: #cecec8;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.tile-frame rect { fill: rgba(255, 255, 255, .42); }
.registration-mark { stroke: #999992; }

.loose-system,
.resolved-system {
  transition: opacity 500ms ease, transform 900ms cubic-bezier(.16, 1, .3, 1);
}

.rough-route,
.resolved-route {
  fill: none;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.rough-route { stroke: #9a9a94; stroke-dasharray: 5 7; }
.resolved-system {
  fill: rgba(255, 255, 255, .9);
  stroke: #51514d;
  stroke-width: 1;
  opacity: 0;
  transform: scale(.975);
}
.resolved-route {
  fill: none;
  stroke: var(--copper);
  stroke-width: 1.6;
  filter: url(#copper-glow);
}
.resolved-system circle { fill: var(--paper); stroke: var(--copper); stroke-width: 1.4; }

.process-block { fill: rgba(255, 255, 255, .86); stroke: #51514d; stroke-width: 1; }
.process-block path { fill: none; stroke: var(--copper); }
.process-block circle { fill: var(--paper); stroke: var(--copper); }
.remove-marks { fill: none; stroke: var(--copper); stroke-width: 1.5; opacity: 0; }

.inspection-line {
  fill: none;
  stroke: var(--copper);
  stroke-width: 1;
  opacity: 0;
  transform: translateY(-88px);
}
.inspection-line text { stroke: none; }

.method-inputs {
  fill: none;
  stroke: #777771;
  stroke-width: 1;
  opacity: 0;
  transform: translateY(16px);
}
.method-inputs circle { fill: var(--copper); stroke: none; }
.method-inputs text { stroke: none; }

.testing-frame {
  fill: none;
  stroke: #a9a9a2;
  stroke-dasharray: 4 6;
  stroke-width: 1;
  opacity: 0;
}
.testing-frame text { fill: var(--copper); stroke: none; }

.tile-endpoints { opacity: 0; }
.tile-endpoints circle { fill: var(--paper); stroke: var(--copper); stroke-width: 1.5; }
.tile-endpoints text { stroke: none; }

.playbook-stamp {
  fill: rgba(239, 239, 233, .95);
  stroke: var(--ink);
  stroke-width: 1;
  opacity: 0;
  transform: scale(.96);
}
.playbook-stamp text { fill: var(--ink); stroke: none; }
.playbook-stamp text:nth-of-type(1) { font-size: 20px; letter-spacing: -.02em; }
.playbook-stamp text:nth-of-type(2) { fill: var(--copper); font-size: 12px; }

.master-workbench[data-step="1"] .inspection-line { opacity: 1; transform: translateY(86px); }
.master-workbench[data-step="1"] .remove-marks,
.master-workbench[data-step="2"] .remove-marks { opacity: .72; }

.master-workbench[data-step="2"] .removable { opacity: .16; transform: scale(.88); }

.master-workbench[data-step="3"] .loose-system,
.master-workbench[data-step="4"] .loose-system,
.master-workbench[data-step="5"] .loose-system { opacity: 0; transform: scale(.97); }
.master-workbench[data-step="3"] .resolved-system,
.master-workbench[data-step="4"] .resolved-system { opacity: 1; transform: none; }

.master-workbench[data-step="4"] .method-inputs,
.master-workbench[data-step="5"] .method-inputs { opacity: 1; transform: none; }
.master-workbench[data-step="4"] .testing-frame { opacity: 1; }
.master-workbench[data-step="4"] .tile-endpoints,
.master-workbench[data-step="5"] .tile-endpoints { opacity: 1; }

.master-workbench[data-step="5"] .resolved-system { opacity: .1; transform: none; }
.master-workbench[data-step="5"] .playbook-stamp { opacity: 1; transform: none; }
.master-workbench[data-step="5"] .tile-frame text:last-child { fill: var(--copper); }

.process-tableaux { display: none; grid-column: 5 / -1; }

.process-tableau {
  overflow: hidden;
  border: 1px solid #bdbdb6;
  background-color: rgba(247, 247, 244, .72);
  background-image:
    linear-gradient(rgba(18, 18, 18, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 18, 18, .04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.tableau-head {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 14px;
  border-bottom: 1px solid #c8c8c1;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .065em;
  text-transform: uppercase;
}
.tableau-head span:last-child { color: var(--copper); text-align: right; }
.process-tableau svg { display: block; width: 100%; height: auto; fill: rgba(255,255,255,.82); stroke: #64645f; stroke-width: 1; }
.process-tableau svg text { fill: var(--ink); stroke: none; font: 500 18px/1 "Helvetica Neue", Helvetica, Arial, sans-serif; }
.process-tableau .tableau-copper { fill: var(--copper); font-size: 12px; letter-spacing: .06em; }
.process-tableau .tableau-route { fill: none; stroke: var(--copper); stroke-width: 2; }
.process-tableau .tableau-cross { fill: none; stroke: var(--copper); stroke-width: 1.5; }
.process-tableau .tableau-discard { opacity: .38; }
.process-tableau .tableau-cell { fill: rgba(255,255,255,.9); }
.process-tableau circle { fill: var(--copper); stroke: none; }
.process-tableau .tableau-master { fill: #efefe9; stroke: var(--ink); }
.tableau-sources {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: -14px;
  padding: 0 10px 14px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: .04em;
  text-align: center;
  text-transform: uppercase;
}

.repeat-field {
  position: absolute;
  inset: -2px;
  background-color: #efefe9;
  background-image:
    radial-gradient(circle at 14% 50%, var(--copper) 0 2px, transparent 2.5px),
    radial-gradient(circle at 86% 50%, var(--copper) 0 2px, transparent 2.5px),
    linear-gradient(0deg, transparent calc(50% - .7px), rgba(183, 101, 61, .65) 50%, transparent calc(50% + .7px)),
    linear-gradient(90deg, rgba(18, 18, 18, .22) 1px, transparent 1px),
    linear-gradient(rgba(18, 18, 18, .22) 1px, transparent 1px);
  background-size: 25% 33.333%, 25% 33.333%, 25% 33.333%, 25% 33.333%, 25% 33.333%;
  opacity: .92;
}

.final-action {
  position: relative;
  overflow: clip;
  background: var(--ink);
  color: var(--white);
}

.manifesto-sequence {
  position: relative;
  height: 630svh;
  background: var(--ink);
}

.manifesto-sequence-sticky {
  position: sticky;
  top: 72px;
  height: calc(100svh - 72px);
  min-height: 0;
  overflow: hidden;
  isolation: isolate;
  background: var(--ink);
}

.manifesto-visuals {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  background: var(--ink);
  --manifesto-scrim-opacity: 0;
}

.manifesto-visuals::before,
.manifesto-visuals::after {
  position: absolute;
  z-index: 8;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: var(--manifesto-scrim-opacity);
}

.manifesto-visuals::before {
  background: linear-gradient(90deg, rgba(13, 13, 13, .96) 0%, rgba(13, 13, 13, .78) 27%, rgba(13, 13, 13, .22) 58%, rgba(13, 13, 13, .06) 100%);
}

.manifesto-visuals::after {
  background:
    linear-gradient(180deg, rgba(13, 13, 13, .24), transparent 30%, transparent 67%, rgba(13, 13, 13, .42)),
    radial-gradient(ellipse at center, transparent 42%, rgba(13, 13, 13, .3) 100%);
}

.manifesto-scene {
  position: absolute;
  inset: -2%;
  margin: 0;
  opacity: 0;
  transform: scale3d(1.04, 1.04, 1);
  transform-origin: 68% center;
  will-change: opacity, transform;
}

.manifesto-scene:first-child { opacity: 1; }

.manifesto-scene-scale {
  inset: 0;
  background: #efefe9;
  transform: none;
  transform-origin: center;
}

.manifesto-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.8) contrast(1.04);
}

.manifesto-scene-opening img {
  object-position: 54% center;
  filter: saturate(.7) contrast(1.08) brightness(.8);
}

.manifesto-scene-boards img {
  object-position: 56% center;
  filter: saturate(.28) sepia(.18) contrast(1.14) brightness(.68);
}

.manifesto-scene-belonging img {
  object-position: 50% center;
  filter: saturate(.68) contrast(1.12) brightness(.68);
}

.manifesto-scene-conviction img {
  object-position: 50% 68%;
  filter: saturate(.78) contrast(1.06) brightness(.78);
}

.manifesto-scene-inevitable img {
  object-position: 50% 56%;
  filter: saturate(.72) contrast(1.08) brightness(.74);
}

.manifesto-sequence-inner {
  position: relative;
  z-index: 4;
  width: min(calc(100% - 80px), 1560px);
  height: 100%;
  margin: 0 auto;
}

.manifesto-beat {
  position: absolute;
  top: 50%;
  left: 0;
  max-width: 19ch;
  color: var(--white);
  font-size: clamp(40px, 4.45vw, 70px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -.05em;
  opacity: 0;
  transform: translate3d(0, calc(-50% + 76px), 0) scale(.98);
  transform-origin: left center;
  will-change: opacity, transform;
}

.manifesto-beat:first-child {
  opacity: 1;
  transform: translate3d(0, -50%, 0) scale(1);
}

.manifesto-lead {
  max-width: 15ch;
  font-size: clamp(48px, 5.8vw, 92px);
  line-height: .96;
  letter-spacing: -.058em;
}

.manifesto-scale {
  max-width: 9ch;
  color: var(--ink);
  font-size: clamp(82px, 11vw, 164px);
  line-height: .84;
  letter-spacing: -.072em;
}

.manifesto-belonging {
  max-width: 8.5ch;
  color: var(--white);
  font-size: clamp(78px, 10.2vw, 164px);
  font-weight: 500;
  line-height: .87;
  letter-spacing: -.07em;
}

.manifesto-resolution {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 64px;
  align-items: end;
}

.manifesto-resolution p {
  max-width: 8ch;
  font-size: clamp(66px, 8.2vw, 132px);
  line-height: .87;
  letter-spacing: -.068em;
}

.manifesto-will {
  --will-underline: 0;
  position: relative;
  display: inline-block;
  isolation: isolate;
}

.manifesto-will::after {
  position: absolute;
  z-index: -1;
  right: -.035em;
  bottom: -.055em;
  left: -.025em;
  height: clamp(4px, .065em, 9px);
  border-radius: 999px;
  background: var(--copper);
  box-shadow: 0 0 22px rgba(183, 101, 61, .18);
  content: "";
  transform: rotate(-1.2deg) scaleX(var(--will-underline));
  transform-origin: left center;
}

.manifesto-link {
  display: inline-flex;
  align-items: center;
  gap: 34px;
  padding: 0 0 11px;
  border-bottom: 2px solid var(--copper);
  font-size: clamp(22px, 2.3vw, 31px);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.manifesto-link span { transition: transform 220ms ease; }
.manifesto-link:hover span { transform: translateX(7px); }


.site-footer {
  background: var(--paper);
  color: var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  width: min(calc(100% - 80px), var(--page));
  min-height: 330px;
  align-items: end;
  margin: 0 auto;
  padding: 54px 0 50px;
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms cubic-bezier(.22,.76,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 680px; border-right: 0; border-bottom: 1px solid var(--line); }
  .quote-story { min-height: 710px; }
  .secret { grid-template-columns: 1fr; }
  .section-copy { max-width: 720px; }
  .must-exist .section-copy { max-width: none; }
  .must-exist .section-copy h2 { grid-column: 1 / span 8; }
  .must-exist .section-copy p { grid-column: 9 / -1; }
}

@media (max-width: 900px) {
  .process-opening {
    display: block;
    width: 100%;
    min-height: 0;
    margin: 0;
    padding: 124px 24px 108px;
  }
  .process-opening h2 { max-width: 12ch; font-size: clamp(50px, 8.5vw, 72px); }
  .process-opening > p { max-width: 40ch; margin-top: 64px; }
  .process-sequence { height: auto; }
  .process-sticky { position: static; height: auto; min-height: 0; overflow: visible; }
  .process-stage { display: block; width: 100%; height: auto; margin: 0; padding: 90px 24px 116px; }
  .process-narrative { padding: 0; }
  .process-copy-stack { display: grid; min-height: 0; gap: 24px; margin-top: 44px; }
  .process-copy { position: static; max-width: 42ch; opacity: 1 !important; transform: none !important; }
  .process-actions {
    position: static;
    grid-template-columns: 1fr 1fr;
    margin-top: 54px;
    border-left: 1px solid #c8c8c1;
  }
  .process-actions li { padding: 0 14px; border-right: 1px solid #c8c8c1; }
  .process-system .process-actions li { padding-left: 14px !important; color: #6f6f69 !important; }
  .master-workbench { display: none; }
  .process-tableaux { display: grid; gap: 16px; margin-top: 64px; }
}

@media (min-width: 901px) and (max-height: 620px) {
  .process-stage { padding-top: 12px; padding-bottom: 12px; }
  .process-narrative { padding: 16px 0; }
  .process-copy-stack { min-height: 150px; margin-top: 24px; }
  .process-copy { font-size: 16px; }
  .process-actions { bottom: 14px; }
  .process-actions li { min-height: 29px; }
  .master-workbench {
    grid-template-rows: 38px minmax(0, 1fr) 38px;
    height: calc(100svh - 96px);
    min-height: 0;
  }
  .workbench-head, .workbench-foot { min-height: 38px; }
}

@media (max-width: 760px) {
  .header-inner, .page-frame { width: 100%; }
  .header-inner { grid-template-columns: 1fr auto; padding: 0 20px; }
  .site-logo { width: 166px; }
  .hero-copy { min-height: 650px; padding: 54px 20px 34px; }
  h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-copy-bottom { padding-top: 64px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .quote-story { min-height: 680px; padding: 22px 16px 24px; background-size: 44px 44px; }
  .quote-demo { min-height: 500px; }
  .demo-file { left: 18px; width: calc(100% - 36px); }
  .demo-cursor { right: 30px; left: auto; }
  .drop-target, .quote-result { right: 18px; left: 18px; }
  .quote-result dd { font-size: 26px; }
  .quote-result dl div { padding-right: 14px; padding-left: 14px; }
  .section-space { padding: 106px 20px; }
  .section-copy h2 { font-size: 40px; }
  .must-exist {
    padding: 112px 0 28px;
  }
  .must-exist-inner { display: block; width: calc(100% - 40px); }
  .must-exist .section-copy { display: grid; grid-template-columns: 1fr; gap: 38px; }
  .must-exist .section-copy h2,
  .must-exist .section-copy p { grid-column: 1; }
  .must-exist .section-copy h2 { max-width: 10ch; font-size: clamp(48px, 14vw, 66px); }
  .must-exist .section-copy p { max-width: 33ch; padding-bottom: 0; }
  .iteration-visual {
    margin-top: 84px;
  }
  .iteration-stage { min-height: 720px; }
  .iteration-map {
    left: 50%;
    width: 720px;
    max-width: none;
    transform: translateX(-50%);
  }
  .iteration-node strong { font-size: 32px; }
  .iteration-design { top: 52px; left: 0; }
  .iteration-board { top: 52px; left: auto; right: 0; text-align: right; }
  .iteration-test { top: auto; right: 0; bottom: 28px; text-align: right; }
  .iteration-revise { top: auto; right: auto; bottom: 28px; left: 0; text-align: left; }
  .iteration-china {
    top: 442px;
    background: var(--ink);
    box-shadow: 0 0 0 12px var(--ink);
  }
  .iteration-china strong { font-size: 54px; }
  .iteration-wait { top: 225px; white-space: nowrap; }
  .secret {
    padding-top: 132px;
    padding-bottom: 132px;
  }
  .secret .section-copy h2 { font-size: 46px; }
  .secret .section-copy p { font-size: 17px; }
  .secret { gap: 60px; }
  .panel-field { min-height: 500px; }
  .production-panel { top: 210px; right: 50%; width: 260px; height: 250px; transform: translateX(50%); }
  .board-a { top: 24px; left: 20px; }.board-b { top: 24px; right: 20px; left: auto; }
  .board-c { top: 120px; left: 20px; }.board-d { top: 120px; right: 20px; left: auto; }
  .panel-result { grid-template-columns: 1fr; }
  .panel-result span { border-right: 0; border-bottom: 1px solid var(--line); }
  .panel-result span:last-child { border-bottom: 0; }
  .process-opening { padding: 112px 20px 92px; }
  .process-opening h2 { font-size: clamp(46px, 13vw, 62px); line-height: .96; }
  .process-opening > p { margin-top: 52px; font-size: 17px; }
  .process-stage { padding: 72px 20px 94px; }
  .process-copy { font-size: 17px; }
  .process-actions { grid-template-columns: 1fr; }
  .process-actions li { border-right: 1px solid #c8c8c1; }
  .workbench-head, .workbench-foot { gap: 10px; padding: 0 12px; font-size: 8px; letter-spacing: .055em; }
  .workbench-head { min-height: 42px; }
  .workbench-foot { min-height: 46px; }
  .workbench-status { min-width: 142px; }
  .repeat-field { background-size: 50% 25%; }
  .manifesto-sequence { height: 600svh; }
  .manifesto-sequence-sticky {
    min-height: 0;
    background: var(--ink);
  }
  .manifesto-visuals::before {
    background: linear-gradient(90deg, rgba(13, 13, 13, .9), rgba(13, 13, 13, .44) 72%, rgba(13, 13, 13, .28));
  }
  .manifesto-visuals::after {
    background:
      linear-gradient(180deg, rgba(13, 13, 13, .2), rgba(13, 13, 13, .08) 27%, rgba(13, 13, 13, .56) 78%, rgba(13, 13, 13, .78)),
      radial-gradient(ellipse at center, transparent 34%, rgba(13, 13, 13, .28));
  }
  .manifesto-scene { inset: -1%; transform-origin: 64% center; }
  .manifesto-scene-scale { inset: 0; transform-origin: center; }
  .manifesto-scene img {
    object-position: 64% center;
  }
  .manifesto-scene-opening img { object-position: 58% center; }
  .manifesto-scene-boards img { object-position: 58% center; }
  .manifesto-scene-conviction img { object-position: 78% center; }
  .manifesto-scene-belonging img { object-position: 58% center; }
  .manifesto-scene-inevitable img { object-position: 68% center; }
  .manifesto-sequence-inner {
    width: calc(100% - 40px);
  }
  .manifesto-beat {
    max-width: none;
    font-size: clamp(34px, 10.3vw, 44px);
    line-height: 1.04;
  }
  .manifesto-lead {
    max-width: none;
    font-size: clamp(38px, 11.2vw, 48px);
    line-height: 1;
  }
  .manifesto-scale {
    max-width: 8ch;
    font-size: clamp(66px, 20vw, 92px);
    line-height: .86;
  }
  .manifesto-belonging {
    max-width: 8ch;
    font-size: clamp(58px, 17vw, 72px);
  }
  .manifesto-resolution {
    grid-template-columns: 1fr;
    gap: clamp(54px, 10vh, 92px);
    align-items: start;
  }
  .manifesto-resolution p { max-width: 8ch; font-size: clamp(58px, 16vw, 74px); }
  .manifesto-link {
    width: 100%;
    justify-content: space-between;
    font-size: 24px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 72px;
    width: calc(100% - 40px);
    min-height: 310px;
    padding: 46px 0 42px;
  }
  .footer-logo { width: min(100%, 310px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  .reveal { opacity: 1; transform: none; }
  .iteration-node { opacity: 1; transform: none; }
  .iteration-china { opacity: 1; transform: translate(-50%, 0); }
  .iteration-wait { opacity: 1; }
  .iteration-pulse { opacity: 1; stroke-dashoffset: 0; }
  .process-sequence { height: auto; }
  .process-sticky { position: static; height: auto; min-height: 0; overflow: visible; }
  .process-stage { min-height: 780px; }
  .process-copy-stack { display: grid; min-height: 0; gap: 24px; }
  .process-copy { position: static; opacity: 1 !important; transform: none !important; }
  .process-actions { position: static; margin-top: 48px; }
  .repeat-field { opacity: 1; transform: none; }
  .master-workbench { display: none; }
  .process-tableaux { display: grid; gap: 18px; }
  .manifesto-sequence { height: auto; }
  .manifesto-sequence-sticky {
    position: static;
    height: auto;
    min-height: 0;
    overflow: visible;
    background: var(--ink);
  }
  .manifesto-sequence-inner {
    display: grid;
    height: auto;
    gap: clamp(110px, 18vw, 190px);
    padding: clamp(130px, 18vw, 210px) 0;
  }
  .manifesto-beat {
    position: static;
    opacity: 1 !important;
    transform: none !important;
  }
  .manifesto-scale { color: var(--white); }
  .manifesto-scene { opacity: 0 !important; transform: none !important; }
  .manifesto-scene:last-child { opacity: .44 !important; }
  .manifesto-resolution { grid-template-columns: 1fr; gap: 72px; }
  .manifesto-will { --will-underline: 1; }
}