@font-face {
  font-family: DM Sans;
  src: url("/assets/fonts/dm-sans.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Manrope;
  src: url("/assets/fonts/manrope.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
:root {
  --paper: #f4f3ed;
  --ink: #202c2c;
  --muted: #616862;
  --line: #d4d7cc;
  --blue: #244bdf;
  --serif: Georgia, "Times New Roman", serif;
  --heading: Manrope, "Helvetica Neue", sans-serif;
  --body: "DM Sans", "Helvetica Neue", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea {
  font: inherit;
}
button,
a,
input,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: wait;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 5px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: var(--heading);
  font-weight: 500;
}
h2 {
  font-size: clamp(34px, 4vw, 56px);
  letter-spacing: -0.055em;
  line-height: 1.15;
}
h3 {
  letter-spacing: -0.03em;
}
em {
  font-family: var(--serif);
  font-weight: 400;
}
img {
  display: block;
  max-width: 100%;
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(1380px, 100% - 112px);
  margin-inline: auto;
}
.eyebrow,
.micro,
.edition,
.art-label {
  font-size: 11px;
  letter-spacing: 0.085em;
}
.eyebrow {
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}
.micro {
  text-transform: uppercase;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}
.button {
  display: inline-flex;
  justify-content: space-between;
  gap: 26px;
  align-items: center;
  min-height: 52px;
  background: var(--blue);
  color: #fff;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 14px;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: #1939b1;
  transform: translateY(-2px);
}
.button span {
  font-size: 21px;
}
.button-small {
  min-height: 44px;
  padding: 8px 15px;
  font-size: 13px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 35px;
  min-height: 44px;
  font-size: 14px;
}
.text-link span {
  font-size: 23px;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: -100px;
  z-index: 100;
  background: white;
  padding: 12px;
}
.skip-link:focus {
  top: 16px;
}
.header {
  height: 86px;
  padding-inline: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 30;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font: 500 32px/1 var(--heading);
  letter-spacing: -0.065em;
}
.brand img {
  width: 30px;
  height: 34px;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.nav {
  display: flex;
  gap: 34px;
  font-size: 13px;
}
.nav a {
  padding-block: 12px;
}
.nav a:hover {
  color: var(--blue);
}
.hero {
  padding-top: 42px;
}
.hero-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.edition {
  color: var(--muted);
  letter-spacing: 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  min-height: 565px;
  gap: 14px;
}
.hero-copy {
  position: relative;
  z-index: 2;
  padding-block: 60px;
}
h1 {
  font-size: clamp(52px, 5.7vw, 86px);
  line-height: 1.08;
  letter-spacing: -0.065em;
  white-space: nowrap;
}
h1 em {
  letter-spacing: -0.06em;
}
.hero-description {
  font-size: 18px;
  max-width: 430px;
  margin: 26px 0 29px;
  color: #515b55;
}
.hero-footnote {
  font-size: 11px;
  color: var(--muted);
  margin-top: 18px;
}
.hero-bottom {
  padding: 22px 0 26px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}
.hero-bottom p span {
  color: var(--muted);
}
.hero-art {
  height: 480px;
  position: relative;
  isolation: isolate;
}
.art-label {
  position: absolute;
  color: #697068;
  font-size: 9px;
  letter-spacing: 0.12em;
}
.label-top {
  right: 15px;
  top: 12px;
}
.label-bottom {
  display: none;
  left: 38px;
  bottom: -24px;
  letter-spacing: 0.02em;
  font-size: 11px;
}
.tiny-cross {
  font-size: 22px;
  margin-right: 10px;
}
.art-orbit {
  position: absolute;
  border: 1px solid #d9dcd1;
  border-radius: 50%;
  width: 68%;
  height: auto;
  aspect-ratio: 1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotateX(58deg) rotateZ(-25deg);
}
.orbit-two {
  width: 80%;
}
.sculpture {
  position: absolute;
  inset: 0;
  perspective: 1400px;
}
.sculpture-sheet,
.sculpture-base {
  width: 305px;
  height: 250px;
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 18px;
  transform: translate(-50%, -50%) rotateX(54deg) rotateZ(-33deg);
  transform-style: preserve-3d;
}
.sculpture-sheet:after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  transform: translateZ(-8px);
  background: #aab0a5;
  box-shadow:
    0 12px 0 #b7bcb2,
    0 22px 32px #29312722;
}
.sculpture-base {
  background: #293630;
  transform: translate(-50%, calc(-50% + 119px)) rotateX(54deg) rotateZ(-33deg);
  box-shadow:
    -1px 2px 0 #182520,
    -2px 6px 0 #182520,
    0 25px 40px #29312726;
  color: #c6d0c4;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  font: 12px var(--body);
  letter-spacing: 0.15em;
}
.sculpture-sheet {
  padding: 14px;
  box-shadow: inset 0 0 0 1px #ffffffaa;
}
.sheet-border {
  height: 100%;
  border: 1px solid #ffffff70;
  border-radius: 9px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.sheet-border > span,
.sheet-border > small {
  font-size: 9px;
  letter-spacing: 0.14em;
}
.sheet-bottom {
  background: #e2e6d6;
  transform: translate(-50%, calc(-50% + 84px)) rotateX(54deg) rotateZ(-33deg);
}
.sheet-bottom:after {
  background: #a1aa97;
}
.sheet-middle {
  background: #d5decb;
  transform: translate(-50%, calc(-50% + 8px)) rotateX(54deg) rotateZ(-33deg);
}
.sheet-top {
  background: linear-gradient(125deg, #466be9, #244bdf 65%, #1e3bad);
  color: #fff;
  transform: translate(-50%, calc(-50% - 87px)) rotateX(54deg) rotateZ(-33deg);
}
.sheet-top:after {
  background: #1837ae;
  box-shadow:
    0 7px 0 #142b84,
    0 26px 32px #24324435;
}
.sheet-top .sheet-border {
  border-color: #91a7fa77;
}
.art-monogram {
  font: 90px/1 var(--heading);
  letter-spacing: -0.1em;
  padding-left: 55px;
  flex: 1;
  display: flex;
  align-items: center;
}
.art-monogram span {
  font-size: 62px;
  margin-left: 12px;
}
.sheet-check {
  font-size: 44px;
  align-self: flex-end;
}
.diagram-line {
  height: 30px;
  width: 120px;
  border-left: 1px solid;
  border-bottom: 1px solid;
  margin: 26px 0;
}
.connection-art {
  margin: auto;
  display: flex;
  gap: 35px;
  position: relative;
}
.connection-art:before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  right: 0;
  height: 1px;
  background: #72806b;
}
.connection-art i {
  position: relative;
  width: 24px;
  height: 24px;
  border: 1px solid #72806b;
  background: #d5decb;
  border-radius: 50%;
}
.work-section {
  padding-block: 118px 90px;
}
.section-intro {
  display: grid;
  grid-template-columns: 1fr 2.1fr;
  gap: 50px;
  margin-bottom: 54px;
}
.section-intro .eyebrow {
  align-self: start;
  padding-top: 10px;
}
.section-intro > div > p {
  max-width: 530px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 17px;
}
.work-list {
  border-bottom: 1px solid var(--line);
}
details {
  border-top: 1px solid var(--line);
}
summary {
  display: grid;
  grid-template-columns: 60px 1fr 215px 24px;
  align-items: center;
  gap: 20px;
  min-height: 100px;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
.row-number {
  font: 11px var(--body);
  color: var(--muted);
}
summary h3 {
  font-size: 27px;
}
.row-tag {
  font-size: 12px;
  color: var(--muted);
}
.detail-toggle {
  position: relative;
  width: 20px;
  height: 20px;
}
.detail-toggle:before,
.detail-toggle:after {
  content: "";
  position: absolute;
  background: var(--ink);
  top: 9px;
  left: 3px;
  width: 14px;
  height: 1px;
}
.detail-toggle:after {
  transform: rotate(90deg);
}
details[open] .detail-toggle:after {
  transform: rotate(0);
}
.work-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  padding: 0 44px 36px 80px;
}
.work-detail > p {
  max-width: 375px;
  color: var(--muted);
}
.example {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}
.example > .micro {
  color: var(--muted);
  font-size: 9px;
}
.example p {
  font-size: 14px;
  margin-top: 9px;
  max-width: 420px;
}
.flow-tags {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 20px;
}
.flow-tags span {
  font-size: 10px;
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 2px;
}
.flow-tags b {
  font-weight: 400;
  color: var(--muted);
}
.section-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 18px;
}
.system-section {
  background: #e6e9df;
  border-block: 1px solid #d6dbce;
  --progress: 0;
}
.system-sticky {
  padding-top: 50px;
}
.system-header {
  display: grid;
  grid-template-columns: 1fr 1.45fr 0.6fr;
  gap: 35px;
  align-items: start;
}
.system-header .eyebrow {
  padding-top: 10px;
}
.system-header h2 {
  font-size: 42px;
}
.system-header > p:last-child {
  font-size: 13px;
  color: var(--muted);
  align-self: end;
  justify-self: end;
}
.system-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  align-items: center;
  gap: 70px;
  min-height: 540px;
}
.system-explainer {
  max-width: 360px;
}
.system-explainer > .micro {
  font-size: 9px;
  color: var(--muted);
  margin-bottom: 20px;
}
.layer-controls {
  border-top: 1px solid #c5cdbd;
}
.layer-control {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-height: 54px;
  background: none;
  color: #5b6559;
  border: 0;
  border-bottom: 1px solid #c5cdbd;
  text-align: left;
  padding: 12px 10px;
  font-size: 14px;
}
.layer-control > span {
  font-size: 10px;
}
.layer-control b {
  margin-left: auto;
  font-size: 18px;
  font-weight: 400;
  opacity: 0;
}
.layer-control[aria-pressed="true"] {
  color: var(--ink);
  background: #f4f6ef;
}
.layer-control[aria-pressed="true"] b {
  opacity: 1;
}
.layer-control:hover {
  background: #f4f6ef99;
}
.layer-description {
  min-height: 100px;
  padding-top: 20px;
  font-size: 14px;
  color: #586251;
  max-width: 325px;
}
.layer-description-reserve {
  display: none;
}
@media (max-width: 900px) {
  .layer-description,
  .layer-description-reserve {
    display: grid;
  }
  .layer-description > *,
  .layer-description-reserve > span {
    grid-area: 1 / 1;
  }
  .layer-description-reserve {
    visibility: hidden;
    pointer-events: none;
  }
}
.motion-hint {
  font-size: 10px;
  color: var(--muted);
  margin-top: 18px;
  display: flex;
  gap: 10px;
}
.stack-scene {
  height: 510px;
  position: relative;
  perspective: 1400px;
  isolation: isolate;
}
.stack-unit {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 390px;
  height: 250px;
  border-radius: 13px;
  transform-style: preserve-3d;
  transform: translate(
      -50%,
      calc(-50% + var(--offset) * var(--offset-scale, 1))
    )
    rotateX(53deg) rotateZ(-31deg);
  background: linear-gradient(125deg, #f7f8f1, #dfe5d6);
  border: 1px solid #fff;
  box-shadow: inset 0 0 0 5px #edf0e5;
  transition: filter 0.3s;
}
.stack-unit:after {
  content: "";
  /* Opacity flattens the 3D context during entry; keep this behind the face. */
  z-index: -1;
  position: absolute;
  inset: 0;
  transform: translateZ(-10px);
  border-radius: inherit;
  background: #b7c1ad;
  box-shadow:
    0 7px 0 #a3af98,
    0 20px 26px #24302424;
}
.unit-inner {
  position: absolute;
  inset: 19px;
  border: 1px solid #bbc5b1;
  border-radius: 6px;
  padding: 17px;
  color: #3c4936;
}
.unit-topline {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 0.1em;
}
.unit-light {
  width: 6px;
  height: 6px;
  background: #71836a;
  border-radius: 50%;
}
.unit-inner strong {
  display: block;
  font: 500 24px var(--heading);
  letter-spacing: -0.04em;
  margin-top: 18px;
}
.unit-chips {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}
.unit-chips span {
  border: 1px solid #b5bfae;
  border-radius: 3px;
  padding: 5px 10px;
  font-size: 8px;
  letter-spacing: 0.08em;
}
.unit-corner {
  position: absolute;
  bottom: 12px;
  right: 14px;
  font-size: 7px;
  letter-spacing: 0.1em;
}
.unit-0 {
  --offset: 130px;
}
.unit-1 {
  --offset: 55px;
}
.unit-2 {
  --offset: -25px;
}
.unit-3 {
  --offset: -112px;
  background: linear-gradient(120deg, #4269e5, #234adb 70%, #203aa4);
  box-shadow: inset 0 0 0 5px #3c61dc;
  border-color: #7e9aff;
}
.unit-3:after {
  background: #213cab;
  box-shadow:
    0 7px 0 #1c3084,
    0 20px 26px #24302428;
}
.unit-3 .unit-inner {
  color: #fff;
  border-color: #9aaff466;
}
.unit-3 .unit-chips span {
  border-color: #a0b5ff66;
}
.unit-3 .unit-light {
  background: #bacaec;
}
.unit-3 strong > span {
  float: right;
  font-size: 30px;
}
.unit-route {
  display: flex;
  align-items: center;
  margin-top: 25px;
  gap: 8px;
}
.unit-route i {
  width: 16px;
  height: 16px;
  border: 1px solid #86977a;
  border-radius: 50%;
}
.unit-route b {
  height: 1px;
  width: 48px;
  background: #86977a;
}
.stack-ground {
  width: min(400px, 85%);
  height: 270px;
  background: #45553b1a;
  filter: blur(15px);
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, calc(-50% + 160px)) rotateX(53deg) rotateZ(-31deg);
  border-radius: 50%;
}
.stack-caption {
  position: absolute;
  bottom: -5px;
  right: 0;
  left: 0;
  text-align: center;
  font-size: 10px;
  color: var(--muted);
}
.system-footer {
  border-top: 1px solid #c5cdbd;
  padding: 19px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  font-size: 10px;
  color: #606957;
}
.progress-track {
  height: 2px;
  width: 180px;
  background: #c5cdbd;
  overflow: hidden;
}
.progress-track > span {
  height: 100%;
  width: 100%;
  display: block;
  background: var(--ink);
  transform: scaleX(var(--progress));
  transform-origin: left;
}
.approach {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 130px;
  padding-block: 120px 110px;
}
.approach-intro h2 {
  margin-top: 31px;
}
.approach-intro > p:not(.eyebrow) {
  color: var(--muted);
  max-width: 400px;
  margin-top: 26px;
}
.approach-intro > .text-link {
  margin-top: 23px;
}
.process-list {
  padding-top: 50px;
}
.process-list article {
  display: grid;
  grid-template-columns: 35px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.process-list h3 {
  font-size: 23px;
  margin-top: -5px;
}
.process-list p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
  max-width: 395px;
}
.principle {
  border-block: 1px solid var(--line);
  padding-block: 43px;
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 110px;
}
.principle-mark {
  font-size: 76px;
  line-height: 1;
  color: var(--blue);
  margin-right: 20px;
}
.principle > p {
  font: 500 27px/1.35 var(--heading);
  letter-spacing: -0.04em;
}
.principle > .micro {
  font-size: 9px;
  margin-left: auto;
  color: var(--muted);
}
.contact-section {
  padding-block: 85px 95px;
  background: #e9ecf2;
  border-block: 1px solid #d8dde8;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 130px;
}
.contact-copy h2 {
  margin-top: 32px;
  font-size: clamp(45px, 4.7vw, 65px);
}
.contact-copy > p:not(.eyebrow) {
  max-width: 350px;
  color: #5c6573;
  margin-top: 25px;
}
.contact-email {
  display: inline-flex;
  gap: 40px;
  align-items: center;
  min-height: 44px;
  margin-top: 30px;
  font-size: 21px;
}
.contact-email:hover {
  text-decoration: underline;
}
.contact-copy > .contact-note {
  font-size: 11px !important;
}
#contact-form {
  display: none;
}
.js-enabled #contact-form {
  display: block;
}
html:not(.js-enabled) .layer-controls,
html:not(.js-enabled) .motion-hint {
  display: none;
}
.contact-panel {
  padding-top: 5px;
}
.field {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}
.field label {
  font-size: 12px;
  margin-bottom: 9px;
}
.field label > span {
  color: #596371;
}
.field input,
.field textarea {
  border: 1px solid #bdc5d0;
  border-radius: 3px;
  background: #f5f6f9;
  padding: 12px 14px;
  min-height: 48px;
  width: 100%;
  color: var(--ink);
  resize: vertical;
  font-size: 14px;
}
.field input::placeholder,
.field textarea::placeholder {
  color: #6b7280;
}
.field-hint {
  font-size: 10px;
  color: #596371;
  margin-top: 7px;
}
.field-error {
  color: #a32330;
  font-size: 12px;
  margin-top: 5px;
}
.field [aria-invalid="true"] {
  border-color: #a32330;
}
.contact-panel .button {
  width: 100%;
  margin-top: 0;
}
.form-consent {
  font-size: 10px;
  color: #596371;
  margin-top: 16px;
}
.form-consent a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.form-status {
  font-size: 13px;
  color: #a32330;
  margin-top: 16px;
}
.form-status:empty {
  margin: 0;
}
.form-success {
  padding: 40px 0;
  border-top: 1px solid #bac4d5;
}
.form-success > span {
  display: block;
  font-size: 56px;
  color: var(--blue);
}
.form-success h3 {
  font-size: 30px;
  margin-block: 20px;
}
.form-success p {
  color: var(--muted);
}
.footer {
  padding-top: 47px;
}
.footer-top {
  display: flex;
  align-items: center;
  gap: 55px;
  padding-bottom: 45px;
}
.footer-top > p {
  font-size: 13px;
  color: var(--muted);
}
.footer-top > .text-link {
  margin-left: auto;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  padding: 23px 0;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--muted);
}
.footer-bottom a {
  min-height: 44px;
  display: flex;
  align-items: center;
  margin-top: -14px;
  margin-bottom: -14px;
}
@media (min-width: 901px) and (prefers-reduced-motion: no-preference) {
  .motion-enabled .system-section {
    height: 2300px;
  }
  .motion-enabled .system-sticky {
    position: sticky;
    top: 86px;
    height: calc(100svh - 86px);
    min-height: 650px;
    max-height: 920px;
    display: flex;
    flex-direction: column;
  }
  .motion-enabled .system-layout {
    flex: 1;
    min-height: 0;
  }
  .motion-enabled .stack-scene {
    height: 470px;
  }
  .motion-enabled .system-footer {
    margin-top: auto;
  }
  .motion-enabled .stack-unit {
    will-change: transform;
  }
}
@media (min-width: 901px) and (max-height: 790px) {
  .system-header h2 {
    font-size: 33px;
  }
  .system-sticky {
    padding-top: 25px;
  }
  .system-layout {
    min-height: 455px;
  }
  .stack-scene {
    height: 450px;
  }
  .motion-enabled .system-sticky {
    min-height: 540px;
  }
  .motion-enabled .stack-scene {
    height: 390px;
  }
  .stack-unit {
    width: 340px;
    height: 220px;
  }
  .unit-inner {
    inset: 14px;
    padding: 13px;
  }
  .unit-inner strong {
    font-size: 21px;
  }
  .stack-caption {
    bottom: -13px;
  }
  .system-explainer > .micro {
    margin-bottom: 12px;
  }
  .layer-control {
    min-height: 47px;
  }
  .layer-description {
    min-height: 85px;
  }
  .motion-hint {
    margin-top: 0;
  }
}
@media (min-width: 901px) and (max-height: 650px) {
  .motion-enabled .system-section {
    height: auto;
  }
  .motion-enabled .system-sticky {
    position: relative;
    top: auto;
    height: auto;
    min-height: 0;
  }
  .motion-enabled .system-layout {
    min-height: 450px;
  }
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 72px);
  }
  .header {
    padding-inline: 36px;
  }
  .nav {
    gap: 20px;
  }
  .hero-grid {
    grid-template-columns: 1.2fr 1fr;
    min-height: 520px;
  }
  h1 {
    font-size: 61px;
  }
  .hero-art {
    transform: scale(0.87);
    transform-origin: center;
  }
  .hero-description {
    font-size: 17px;
    max-width: 380px;
  }
  .hero-footnote {
    font-size: 10px;
  }
  .system-layout {
    gap: 30px;
  }
  .system-header {
    grid-template-columns: 0.9fr 1.5fr;
  }
  .system-header > p:last-child {
    display: none;
  }
  .approach,
  .contact-grid {
    gap: 70px;
  }
  .section-intro {
    gap: 35px;
  }
  .work-detail {
    gap: 35px;
  }
  summary {
    grid-template-columns: 40px 1fr 170px 24px;
    gap: 15px;
  }
  summary h3 {
    font-size: 24px;
  }
  .work-detail {
    padding-left: 55px;
  }
}
@media (max-width: 900px) {
  .header {
    height: 76px;
  }
  .nav {
    gap: 18px;
  }
  .nav a {
    font-size: 12px;
  }
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    min-height: 480px;
  }
  h1 {
    font-size: 49px;
  }
  .hero-art {
    transform: scale(0.7);
    margin-left: -50px;
    margin-right: -40px;
  }
  .hero-description {
    font-size: 16px;
  }
  .hero-footnote {
    max-width: 250px;
  }
  .hero-copy > .button {
    font-size: 12px;
    padding: 12px 14px;
    gap: 15px;
  }
  .hero-top .edition {
    display: none;
  }
  .work-section {
    padding-block: 85px;
  }
  .section-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section-intro > div > p {
    font-size: 16px;
  }
  .system-sticky {
    padding-top: 45px;
  }
  .system-layout {
    grid-template-columns: 1fr 1.2fr;
    min-height: 490px;
    gap: 15px;
  }
  .system-header {
    display: block;
  }
  .system-header h2 {
    margin-top: 24px;
    font-size: 40px;
  }
  .stack-scene {
    transform: scale(0.8);
    transform-origin: center;
    margin-inline: -25px;
  }
  .stack-caption {
    bottom: -15px;
  }
  .system-footer > span:last-child {
    display: none;
  }
  .layer-control {
    font-size: 12px;
  }
  .system-explainer > .micro {
    font-size: 8px;
  }
  .motion-hint {
    font-size: 10px;
  }
  .approach {
    gap: 45px;
    padding-block: 85px;
  }
  .process-list {
    padding-top: 40px;
  }
  .process-list article {
    gap: 10px;
  }
  .process-list h3 {
    font-size: 20px;
  }
  .principle {
    gap: 20px;
    margin-bottom: 85px;
  }
  .principle > p {
    font-size: 24px;
  }
  .principle > .micro {
    display: none;
  }
  .contact-grid {
    gap: 50px;
  }
  .contact-copy h2 {
    font-size: 45px;
  }
}
@media (max-width: 640px) {
  html {
    scroll-padding-top: 84px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .header {
    padding-inline: 20px;
    height: 72px;
    gap: 12px;
  }
  .brand {
    font-size: 29px;
  }
  .brand img {
    width: 25px;
    height: 28px;
  }
  .nav {
    display: none;
  }
  .header .button {
    font-size: 12px;
    gap: 20px;
  }
  .hero {
    padding-top: 28px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 0.075em;
  }
  .hero-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 0;
    align-items: stretch;
  }
  .hero-copy {
    padding: 39px 0 12px;
  }
  h1 {
    font-size: clamp(39px, 10.7vw, 66px);
    line-height: 1.1;
    letter-spacing: -0.06em;
  }
  .hero-description {
    font-size: 16px;
    max-width: 355px;
    margin-top: 21px;
    margin-bottom: 25px;
  }
  .hero-copy > .button {
    font-size: 13px;
    padding: 13px 17px;
    gap: 24px;
  }
  .hero-footnote {
    font-size: 10px;
    max-width: none;
    margin-top: 16px;
  }
  .hero-art {
    height: 400px;
    width: 100%;
    transform: scale(0.78);
    transform-origin: center;
    margin: 0 0 12px;
  }
  .sculpture-sheet,
  .sculpture-base {
    width: 280px;
    height: 230px;
  }
  .art-orbit {
    width: 76%;
  }
  .orbit-two {
    width: 91%;
  }
  .label-top {
    right: 0;
    top: -5px;
    font-size: 8px;
  }
  .label-bottom {
    display: none;
  }
  .hero-bottom {
    padding-block: 20px;
    gap: 15px;
    font-size: 10px;
  }
  .hero-bottom .text-link {
    font-size: 11px;
    gap: 14px;
  }
  .hero-bottom .text-link span {
    font-size: 20px;
  }
  .work-section {
    padding-block: 66px;
  }
  .section-intro {
    margin-bottom: 30px;
    gap: 20px;
  }
  .section-intro h2 {
    font-size: 34px;
  }
  .section-intro > div > p {
    font-size: 15px;
    margin-top: 20px;
  }
  summary {
    grid-template-columns: 22px 1fr 20px;
    gap: 10px;
    min-height: 88px;
    padding-block: 15px;
  }
  summary h3 {
    font-size: 21px;
    line-height: 1.25;
  }
  .row-tag {
    display: none;
  }
  .work-detail {
    grid-template-columns: 1fr;
    padding: 0 0 26px 32px;
    gap: 20px;
    font-size: 14px;
  }
  .example {
    padding-left: 0;
    border-left: 0;
  }
  .example p {
    font-size: 13px;
  }
  .section-note {
    font-size: 10px;
  }
  .system-sticky {
    padding-top: 36px;
  }
  .system-header h2 {
    font-size: 35px;
    margin-top: 22px;
  }
  .system-layout {
    display: flex;
    flex-direction: column-reverse;
    gap: 0;
    align-items: stretch;
    min-height: 0;
  }
  .stack-scene {
    height: 440px;
    transform: scale(0.75);
    transform-origin: center;
    margin: -15px -10px 0;
  }
  .stack-unit {
    width: 340px;
    height: 220px;
  }
  .unit-inner {
    inset: 14px;
    padding: 13px;
  }
  .unit-inner strong {
    font-size: 22px;
  }
  .stack-caption {
    font-size: 10px;
    bottom: -14px;
    white-space: nowrap;
    left: -15px;
    right: -15px;
  }
  .system-explainer {
    max-width: none;
    padding-top: 10px;
    padding-bottom: 28px;
  }
  .system-explainer > .micro {
    font-size: 9px;
  }
  .layer-control {
    min-height: 52px;
    font-size: 14px;
  }
  .layer-description {
    min-height: 82px;
    font-size: 14px;
    max-width: 100%;
  }
  .motion-hint {
    margin-top: 8px;
  }
  .system-footer {
    gap: 12px;
    padding-block: 18px;
    font-size: 9px;
  }
  .progress-track {
    width: 60px;
  }
  .approach {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 65px;
  }
  .approach-intro h2 {
    font-size: 42px;
    margin-top: 24px;
  }
  .approach-intro > p:not(.eyebrow) {
    font-size: 15px;
  }
  .process-list {
    padding-top: 0;
  }
  .process-list article {
    padding-block: 24px;
  }
  .process-list h3 {
    font-size: 23px;
  }
  .principle {
    padding-block: 30px;
    gap: 18px;
    margin-bottom: 65px;
  }
  .principle-mark {
    font-size: 44px;
    margin-right: 0;
  }
  .principle > p {
    font-size: 20px;
  }
  .principle > p br {
    display: none;
  }
  .contact-section {
    padding-block: 55px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-copy h2 {
    font-size: 49px;
    margin-top: 24px;
  }
  .contact-copy > p:not(.eyebrow) {
    font-size: 15px;
    max-width: 345px;
  }
  .contact-email {
    font-size: 20px;
    margin-top: 20px;
  }
  .contact-copy > .contact-note {
    margin-top: 16px !important;
  }
  .field {
    margin-bottom: 18px;
  }
  .field input,
  .field textarea {
    font-size: 16px;
  }
  .field-hint,
  .form-consent {
    font-size: 11px;
  }
  .footer {
    padding-top: 32px;
  }
  .footer-top {
    gap: 25px;
    flex-wrap: wrap;
    padding-bottom: 27px;
  }
  .footer-top > p {
    font-size: 11px;
  }
  .footer-top > .text-link {
    font-size: 11px;
    gap: 12px;
  }
  .footer-bottom {
    font-size: 9px;
    gap: 10px;
  }
  .footer-bottom > p:nth-child(2) {
    display: none;
  }
}
/* Compact scroll story: keep the artwork and all four tap targets on screen.
   svh keeps the scene stable while mobile browser toolbars retract. */
@media (max-width: 900px) and (min-height: 600px) and (prefers-reduced-motion: no-preference) {
  .motion-enabled .system-section {
    height: calc(100svh + 1200px);
  }
  .motion-enabled .system-sticky {
    position: sticky;
    top: var(--stack-header);
    height: calc(100svh - var(--stack-header));
    padding-top: 14px;
    display: flex;
    flex-direction: column;
    max-width: 540px;
  }
  .motion-enabled .system-header .eyebrow {
    padding: 0;
    font-size: 9px;
  }
  .motion-enabled .system-header h2 {
    font-size: clamp(24px, 5.8vw, 32px);
    line-height: 1.08;
    margin-top: 8px;
  }
  .motion-enabled .system-header > p:last-child,
  .motion-enabled .system-explainer > .micro {
    display: none;
  }
  .motion-enabled .system-layout {
    display: flex;
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 0;
    flex: 1;
    min-height: 0;
  }
  .motion-enabled .stack-scene {
    flex: 1;
    height: auto;
    min-height: 0;
    margin: 0;
    transform: scale(var(--stack-scale, 0.6));
    --offset-scale: 0.65;
    pointer-events: none;
    transform-origin: center;
  }
  .motion-enabled .stack-unit {
    width: 340px;
    height: 220px;
    will-change: transform;
  }
  .motion-enabled .system-explainer {
    max-width: none;
    padding: 0 0 10px;
  }
  .motion-enabled .layer-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .motion-enabled .layer-control {
    min-height: 44px;
    gap: 6px;
    padding: 6px;
    font-size: 12px;
    line-height: 1.3;
  }
  .motion-enabled .layer-control:nth-child(odd) {
    border-right: 1px solid #c5cdbd;
  }
  .motion-enabled .layer-control b {
    display: none;
  }
  .motion-enabled .layer-description {
    min-height: 86px;
    max-width: none;
    padding-top: 10px;
    font-size: 13px;
    line-height: 1.45;
  }
  .motion-enabled .motion-hint {
    margin-top: 4px;
    font-size: 10px;
  }
  .motion-enabled .system-footer {
    padding-block: 10px;
    gap: 12px;
    font-size: 9px;
  }
  .motion-enabled .progress-track {
    width: 45px;
    flex-shrink: 0;
  }
}
@media (max-width: 360px) {
  .motion-enabled .layer-control {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .motion-hint {
    font-size: 0;
  }
  .motion-hint:after {
    content: "Choose a layer to learn more.";
    font-size: 11px;
  }
}