:root {
  --paper: #f1f0e9;
  --ink: #172022;
  --sage: #7d9588;
  --line: #d1d5cd;
  --gutter: 4.8vw;
  color-scheme: light;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
}
body:has(dialog[open]) {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  background: none;
  border: 0;
  padding: 0;
}
img {
  max-width: 100%;
  display: block;
}
canvas {
  display: block;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 400;
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}
h1,
h2 {
  letter-spacing: -0.06em;
}
button:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid #607e6d;
  outline-offset: 7px;
}
main:focus {
  outline: none;
}
.page-pad {
  padding-inline: var(--gutter);
}
.plain {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  min-height: 44px;
}
.skip {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 100;
  background: var(--paper);
  padding: 15px;
}
.skip:focus {
  top: 10px;
}
.header {
  height: 112px;
  padding: 27px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
}
.brand {
  display: inline-block;
  flex-shrink: 0;
}
.brand img {
  width: clamp(136px, 15.5vw, 218px);
  height: auto;
}
.header-actions {
  display: flex;
  gap: 42px;
  align-items: center;
  font-size: 14px;
}
.menu-toggle {
  display: flex;
  gap: 18px;
  align-items: center;
  min-height: 44px;
}
.circle {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 50%;
  font-size: 26px;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.18s ease-out;
}
.circle.small {
  width: 43px;
  height: 43px;
  font-size: 27px;
}
.action:hover .circle,
.perspective-card:hover .circle {
  transform: rotate(45deg);
}
.eyebrow,
.section-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6b8277;
  line-height: 1.5;
}
.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  white-space: nowrap;
}
.section-label > span {
  height: 1px;
  width: 95px;
  background: var(--line);
}
.action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 16px;
  min-height: 48px;
  text-align: left;
}
.home-hero {
  padding-top: 132px;
}
.hero-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 31px;
}
.hero-heading .eyebrow {
  margin-bottom: 10px;
}
.hero-heading h1 {
  font-size: clamp(64px, 9.4vw, 156px);
  line-height: 0.91;
}
.hero-side {
  padding-bottom: 8px;
  font-size: 16px;
}
.hero-stage {
  position: relative;
  width: 100%;
  height: 44vw;
  max-height: 690px;
  min-height: 330px;
  border-radius: 25px;
  overflow: hidden;
  background: #d3d6d4;
}
.hero-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.hero-stage canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
}
.hero-stage.ready canvas {
  opacity: 1;
}
.hero-stage.ready .hero-poster {
  visibility: hidden;
}
.hero-stage.fallback canvas {
  display: none;
}
.hero-controls {
  position: absolute;
  bottom: 18px;
  left: 30px;
  right: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  pointer-events: none;
}
.hero-controls button {
  pointer-events: auto;
}
.hero-caption {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 20px 2px;
}
.hero-caption a {
  min-height: 32px;
}
.institute-section {
  position: relative;
  min-height: 420px;
  padding-top: 80px;
  padding-bottom: 65px;
  display: grid;
  grid-template-columns: 32% 68%;
  overflow: hidden;
}
.institute-copy {
  position: relative;
  z-index: 1;
}
.institute-copy h2 {
  font-size: clamp(30px, 4.25vw, 65px);
  line-height: 1.03;
}
.institute-bottom {
  max-width: 390px;
  margin: 78px 0 0 auto;
}
.institute-bottom p {
  line-height: 1.5;
  font-size: 17px;
  margin-bottom: 22px;
}
.draw-line {
  position: absolute;
  inset: 120px 0 auto;
  width: 100%;
  height: 310px;
  pointer-events: none;
}
.draw-line path {
  fill: none;
  stroke: var(--sage);
  stroke-width: 1.5;
}
.principle-section {
  padding-top: 28px;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 30px;
  gap: 40px;
}
.section-heading h2,
.patent-section h2 {
  font-size: clamp(44px, 6.25vw, 94px);
  line-height: 0.99;
}
.section-heading > .action {
  margin-bottom: 3px;
}
.principle-art {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  aspect-ratio: 2.65;
  background: #13232d;
}
.principle-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease-out;
}
.principle-art:hover img {
  transform: scale(1.035);
}
.image-cta {
  position: absolute;
  bottom: 25px;
  right: 28px;
  color: white;
  font-size: 14px;
  display: flex;
  gap: 30px;
  opacity: 0;
  transition: opacity 0.18s;
}
.principle-art:hover .image-cta,
.principle-art:focus-visible .image-cta {
  opacity: 1;
}
.perspective-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}
.perspective-card {
  text-align: left;
  min-width: 0;
}
.card-image {
  height: 22.5vw;
  max-height: 350px;
  overflow: hidden;
  border-radius: 18px;
  background: #12212b;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease-out;
}
.perspective-card:hover .card-image img {
  transform: scale(1.04);
}
.detail-crop img {
  transform: scale(2.4);
  object-position: 40% 30%;
}
.perspective-card:hover .detail-crop img {
  transform: scale(2.5);
}
.card-caption {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 0;
}
.card-caption h3 {
  font-size: clamp(20px, 2.25vw, 32px);
  letter-spacing: -0.045em;
  line-height: 1.07;
}
.card-caption .circle {
  width: 40px;
  height: 40px;
  font-size: 23px;
}
.patent-section {
  display: grid;
  grid-template-columns: 68% 32%;
  gap: 0;
  padding-top: 100px;
  padding-bottom: 70px;
  align-items: end;
}
.patent-side p {
  max-width: 310px;
  line-height: 1.5;
  font-size: 17px;
  margin-bottom: 20px;
}
.patent-side .action {
  font-size: 15px;
}
.media-section {
  padding-top: 28px;
  padding-bottom: 34px;
  background: #eeede5;
}
.media-logos {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 55px;
  padding-top: 25px;
}
.media-logos img {
  max-width: 17%;
  width: 160px;
  height: 40px;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.media-logos img:last-child {
  width: 210px;
  max-width: 20%;
}
.closing {
  position: relative;
  overflow: hidden;
  background: #122725;
  color: #f4f3eb;
  min-height: 270px;
}
.closing:before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/hero-selected.webp') center 65% / cover;
  opacity: 0.13;
  mix-blend-mode: screen;
}
.closing canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.closing > button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  width: 100%;
  padding: 40px var(--gutter);
  text-align: left;
  min-height: 270px;
}
.closing h2 {
  font-size: clamp(40px, 6.4vw, 100px);
  line-height: 1;
}
.closing .circle {
  width: 104px;
  height: 104px;
  background: var(--paper);
  color: var(--ink);
  font-size: 55px;
}
.closing button:hover .circle {
  transform: rotate(45deg);
}
.footer {
  display: flex;
  align-items: center;
  gap: 34px;
  justify-content: space-between;
  padding: 30px var(--gutter);
  font-size: 12px;
}
.footer .brand img {
  width: 150px;
}
.footer nav {
  display: flex;
  align-items: center;
  gap: 25px;
}
.footer button,
.footer a {
  min-height: 40px;
  display: flex;
  align-items: center;
}
.footer button:hover,
.footer nav a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.65s ease-out,
    transform 0.65s ease-out;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
/* Full-screen scroll study. */
body[data-page='principle'] .header {
  position: fixed;
}
.header.light-on-dark {
  color: #f6f3e9;
}
.header.light-on-dark .brand img {
  filter: invert(1);
}
.header.light-on-dark .circle {
  background: var(--paper);
  color: var(--ink);
}
.principle-runway {
  height: 350svh;
  min-height: 1600px;
}
.principle-pin {
  position: sticky;
  top: 0;
  height: 100svh;
  min-height: 570px;
  overflow: hidden;
  background: #14222c;
  --whole: 1;
  --copy: 0;
  --light: 0;
  --travel: 0;
}
.principle-background {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 65% 35%, #f5f3e5 0, #dbe5dd 50%, #b1c6bb 100%);
  opacity: var(--light);
}
[data-principle] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}
.principle-pin.ready [data-principle] {
  opacity: 1;
}
.principle-fallback {
  position: absolute;
  inset: 110px 0 110px;
}
.principle-fallback img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: var(--whole);
}
.principle-fallback img + img {
  opacity: var(--copy);
}
.principle-pin.ready .principle-fallback {
  display: none;
}
.whole-copy {
  position: absolute;
  bottom: 135px;
  left: var(--gutter);
  right: var(--gutter);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr 300px;
  align-items: end;
  gap: 10px;
  opacity: var(--whole);
  transform: translateY(calc(var(--travel) * -80px));
  pointer-events: none;
}
.whole-copy .eyebrow {
  grid-column: 1/-1;
  color: #b8c9c0;
}
.whole-copy h1 {
  font-size: clamp(40px, 5.6vw, 86px);
  line-height: 1.02;
}
.whole-copy > p:last-child {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 5px;
}
.pillar-copy {
  position: absolute;
  top: 28%;
  left: var(--gutter);
  width: 32%;
  opacity: var(--copy);
  transform: translateY(calc((1 - var(--copy)) * 35px));
}
.pillar-copy h2 {
  font-size: clamp(40px, 4.6vw, 76px);
  line-height: 1.02;
  margin: 24px 0;
}
.pillar-copy > p:not(.eyebrow) {
  max-width: 300px;
  line-height: 1.55;
  margin-bottom: 35px;
}
.pillar-copy .action {
  font-size: 15px;
  flex-direction: row-reverse;
  gap: 14px;
}
.sequence-navigation {
  position: absolute;
  bottom: 30px;
  left: var(--gutter);
  right: var(--gutter);
  display: flex;
  align-items: center;
  gap: 25px;
  color: color-mix(in srgb, var(--paper) calc((1 - var(--light)) * 100%), var(--ink));
}
.sequence-navigation > div {
  flex: 1;
}
.sequence-label {
  font-size: 12px;
  letter-spacing: 0.04em;
}
.sequence-track {
  height: 1px;
  background: #8d9d9566;
  margin-top: 14px;
}
.sequence-track > span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(var(--travel));
  transform-origin: left;
}
.sequence-next {
  font-size: 13px;
}
.sequence-back {
  font-size: 23px;
  border: 1px solid currentColor;
  border-radius: 50%;
  width: 44px;
  justify-content: center;
}
.prototype-end {
  padding-top: 90px;
  padding-bottom: 100px;
}
.prototype-end h2 {
  font-size: clamp(34px, 4.8vw, 70px);
  line-height: 1.05;
  margin: 25px 0;
}
.prototype-end > p:not(.eyebrow) {
  max-width: 550px;
  line-height: 1.65;
  color: #4d6157;
}
.prototype-end > div {
  display: flex;
  gap: 50px;
  margin-top: 30px;
}
.prototype-end .replay {
  font-size: 14px;
}
.pillar-page {
  padding: 160px 0 50px var(--gutter);
  min-height: 100svh;
  background: #dce6e0;
  display: grid;
  grid-template-columns: 38% 62%;
  gap: 45px 0;
  overflow: hidden;
}
.pillar-intro {
  padding-right: 40px;
}
.pillar-intro .back-link {
  font-size: 14px;
  display: inline-block;
  margin-bottom: 40px;
}
.pillar-intro h1 {
  font-size: clamp(40px, 5.5vw, 88px);
  line-height: 1.01;
  margin: 24px 0 35px;
}
.pillar-description {
  display: grid;
  grid-template-columns: 1fr 125px;
  gap: 30px;
  font-size: 16px;
  line-height: 1.5;
  color: #50615a;
}
.pillar-description p {
  margin-bottom: 22px;
}
.pillar-description .action {
  font-size: 15px;
  gap: 12px;
  color: var(--ink);
}
dl {
  margin: 0;
  padding-left: 22px;
  border-left: 1px solid #b6c6bb;
  font-size: 14px;
}
dt {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
dd {
  margin: 0 0 28px;
  color: var(--ink);
}
.pillar-gallery {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  align-self: center;
  position: relative;
  padding-right: 40px;
}
.pillar-gallery figure {
  position: relative;
  min-width: 90%;
  height: 39vw;
  max-height: 660px;
  margin: 0;
  border-radius: 25px;
  overflow: hidden;
  scroll-snap-align: start;
  background: #12212a;
}
.pillar-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pillar-gallery .detail-view img {
  transform: scale(1.65);
  object-position: 20% 50%;
}
.pillar-gallery figcaption {
  position: absolute;
  bottom: 22px;
  left: 25px;
  color: #fff;
  font-size: 14px;
}
.gallery-nav {
  grid-column: 1/-1;
  display: flex;
  gap: 40px;
  align-items: center;
  padding-right: var(--gutter);
  font-size: 14px;
}
.gallery-nav > span:first-child {
  font-family: monospace;
}
.gallery-nav > span:last-child {
  margin-left: auto;
}
.gallery-nav button {
  min-height: 45px;
  border-bottom: 1px solid #92a89c;
  padding-inline: 20px;
}
.gallery-nav button.active {
  border-bottom: 3px solid var(--ink);
}
/* Native dialogs keep focus, keyboard and dismissal behavior consistent. */
dialog {
  padding: 0;
  border: 0;
  background: var(--paper);
  color: var(--ink);
  max-height: 90svh;
}
dialog::backdrop {
  background: #102321aa;
}
.dialog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 35px;
}
.dialog-top button {
  white-space: nowrap;
}
.dialog-top h2 {
  font-size: 36px;
  line-height: 1.1;
  margin-top: 8px;
}
.menu-dialog {
  width: 100%;
  max-width: none;
  height: 100svh;
  max-height: none;
  margin: 0;
  padding: 35px var(--gutter);
}
.menu-dialog .dialog-top {
  margin-bottom: 50px;
}
.menu-dialog nav {
  margin-top: 20px;
}
.menu-dialog nav a,
.menu-dialog nav button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 25px;
  border-top: 1px solid var(--line);
  padding: 14px 0;
  text-align: left;
  font-size: clamp(25px, 3.2vw, 50px);
  letter-spacing: -0.04em;
}
.menu-dialog nav small {
  font-size: 12px;
  letter-spacing: 0;
  color: #6c7f74;
  width: 30px;
}
.menu-dialog nav em {
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0;
  color: #6c7f74;
  margin-left: auto;
}
.menu-dialog nav span {
  margin-left: auto;
}
.menu-dialog nav em + span {
  margin-left: 10px;
}
.menu-email {
  display: inline-block;
  margin-top: 30px;
  font-size: 18px;
}
.preview-dialog {
  width: min(1100px, 94vw);
  padding: 32px;
}
.preview-dialog > img {
  width: 100%;
  height: auto;
}
.preview-end {
  font-size: 13px;
  margin-top: 25px;
  color: #576e60;
}
.reading-dialog {
  width: min(800px, 92vw);
  padding: 50px;
}
.reading-dialog h2 {
  font-size: clamp(32px, 4vw, 55px);
  line-height: 1.05;
  margin-bottom: 35px;
}
.reading-copy {
  font-size: 18px;
  line-height: 1.75;
}
.reading-copy p {
  margin-bottom: 25px;
}
.curtain,
.loader {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: #dbe3d9;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.curtain {
  transform: translateY(101%);
  transition: transform 0.24s ease-in-out;
}
.curtain.cover {
  transform: translateY(0);
}
.curtain img,
.loader img {
  width: 180px;
}
.loader {
  z-index: 60;
  transition: opacity 0.4s ease 0.15s;
}
.loader.loaded {
  opacity: 0;
  visibility: hidden;
}
.missing {
  padding-top: 200px;
  min-height: 80svh;
}
.missing h1 {
  font-size: 55px;
  max-width: 800px;
  margin-bottom: 40px;
}
@media (min-width: 1700px) {
  :root {
    --gutter: 5.5vw;
  }
}
@media (max-width: 1000px) {
  .hero-side {
    font-size: 13px;
  }
  .institute-section {
    grid-template-columns: 25% 75%;
    min-height: 380px;
  }
  .institute-copy h2 {
    font-size: 4.6vw;
  }
  .institute-bottom {
    margin-top: 60px;
  }
  .patent-section {
    grid-template-columns: 63% 37%;
  }
  .patent-side p {
    font-size: 15px;
  }
  .action {
    font-size: 14px;
    gap: 12px;
  }
  .circle {
    width: 43px;
    height: 43px;
    font-size: 23px;
  }
  .footer {
    flex-wrap: wrap;
    gap: 16px;
  }
  .footer nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }
  .media-logos {
    gap: 25px;
  }
  .pillar-description {
    grid-template-columns: 1fr;
  }
  .pillar-description dl {
    display: none;
  }
  .pillar-page {
    grid-template-columns: 40% 60%;
  }
  .whole-copy {
    grid-template-columns: 1fr 240px;
  }
  .whole-copy > p:last-child {
    font-size: 14px;
  }
  .pillar-copy .action {
    font-size: 13px;
  }
  .sequence-label {
    font-size: 11px;
  }
}
@media (max-width: 650px) {
  :root {
    --gutter: 6vw;
  }
  .header {
    height: 90px;
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .brand img {
    width: 140px;
  }
  .header-actions {
    gap: 18px;
  }
  .institute-link {
    display: none;
  }
  .home-hero {
    padding-top: 112px;
  }
  .hero-heading {
    display: block;
    padding-bottom: 25px;
  }
  .hero-heading h1 {
    font-size: 14.5vw;
    line-height: 0.96;
    letter-spacing: -0.065em;
  }
  .hero-heading .eyebrow {
    font-size: 10px;
    margin-bottom: 16px;
  }
  .hero-side {
    margin-top: 22px;
    text-align: right;
  }
  .hero-stage {
    height: 105vw;
    min-height: 370px;
    border-radius: 18px;
  }
  .hero-controls {
    font-size: 10px;
    left: 16px;
    right: 16px;
    bottom: 12px;
  }
  .hero-caption {
    font-size: 11px;
    padding-top: 16px;
    gap: 15px;
  }
  .institute-section {
    display: block;
    padding-top: 65px;
    padding-bottom: 70px;
    min-height: 450px;
  }
  .section-label {
    font-size: 10px;
    margin-bottom: 25px;
  }
  .institute-copy h2 {
    font-size: 8vw;
    line-height: 1.07;
  }
  .institute-bottom {
    margin-top: 75px;
    max-width: 80%;
    font-size: 14px;
  }
  .institute-bottom p {
    font-size: 15px;
  }
  .draw-line {
    top: 150px;
    height: 210px;
    width: 160%;
    left: -30%;
  }
  .section-heading {
    display: block;
    margin-bottom: 25px;
  }
  .section-heading h2,
  .patent-section h2 {
    font-size: 10.5vw;
    line-height: 1.02;
  }
  .section-heading > .action {
    margin-top: 24px;
  }
  .principle-art {
    aspect-ratio: 1.35;
    border-radius: 16px;
  }
  .principle-art img {
    object-fit: cover;
  }
  .image-cta {
    display: none;
  }
  .perspective-cards {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 24px;
  }
  .card-image {
    height: 64vw;
    max-height: none;
    border-radius: 15px;
  }
  .card-caption h3 {
    font-size: 25px;
  }
  .card-caption {
    padding-top: 14px;
  }
  .patent-section {
    display: block;
    padding-top: 65px;
    padding-bottom: 45px;
  }
  .patent-side {
    margin-top: 30px;
    margin-left: 18%;
  }
  .patent-side p {
    font-size: 15px;
  }
  .media-section {
    padding-top: 25px;
    padding-bottom: 30px;
  }
  .media-logos {
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px 25px;
    padding-top: 25px;
  }
  .media-logos img {
    max-width: 27%;
    width: 100px;
    height: 28px;
  }
  .media-logos img:last-child {
    max-width: 46%;
    width: 155px;
  }
  .closing,
  .closing > button {
    min-height: 220px;
  }
  .closing > button {
    padding-top: 35px;
    padding-bottom: 35px;
    gap: 20px;
  }
  .closing h2 {
    font-size: 8.5vw;
    line-height: 1.04;
  }
  .closing .circle {
    width: 58px;
    height: 58px;
    font-size: 32px;
  }
  .footer {
    padding-top: 25px;
    padding-bottom: 25px;
    font-size: 11px;
  }
  .footer .brand img {
    width: 120px;
  }
  .footer nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px 22px;
  }
  .footer > a:last-child {
    font-size: 11px;
  }
  .principle-runway {
    height: 300svh;
  }
  .principle-pin {
    min-height: 600px;
  }
  .whole-copy {
    bottom: 120px;
    display: block;
  }
  .whole-copy h1 {
    font-size: 10vw;
    line-height: 1.05;
    margin: 12px 0 18px;
  }
  .whole-copy > p:last-child {
    font-size: 13px;
  }
  .pillar-copy {
    top: 53%;
    width: 88%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 22px;
  }
  .pillar-copy .eyebrow {
    grid-column: 1/-1;
    font-size: 10px;
  }
  .pillar-copy h2 {
    font-size: 9vw;
    margin: 15px 0;
    grid-row: 2/4;
  }
  .pillar-copy > p:not(.eyebrow) {
    font-size: 12px;
    line-height: 1.5;
    margin: 15px 0;
  }
  .pillar-copy .action {
    font-size: 12px;
    align-self: start;
    flex-direction: row;
    gap: 8px;
  }
  .pillar-copy .circle {
    width: 32px;
    height: 32px;
    font-size: 19px;
  }
  .sequence-navigation {
    bottom: 22px;
    gap: 15px;
  }
  .sequence-next {
    font-size: 11px;
    max-width: 105px;
    text-align: right;
  }
  .sequence-label {
    font-size: 10px;
    line-height: 1.4;
    display: block;
  }
  .sequence-back {
    width: 36px;
    min-height: 36px;
    flex-shrink: 0;
  }
  .prototype-end {
    padding-top: 60px;
    padding-bottom: 65px;
  }
  .prototype-end h2 {
    font-size: 9vw;
  }
  .prototype-end > p:not(.eyebrow) {
    font-size: 15px;
  }
  .prototype-end > div {
    flex-direction: column;
    align-items: flex-start;
    gap: 25px;
  }
  .pillar-page {
    padding: 110px var(--gutter) 40px;
    display: block;
  }
  .pillar-intro {
    padding: 0;
  }
  .pillar-intro .back-link {
    margin-bottom: 30px;
  }
  .pillar-intro h1 {
    font-size: 13vw;
    margin: 20px 0 30px;
  }
  .pillar-description {
    font-size: 15px;
    max-width: 420px;
  }
  .pillar-gallery {
    margin: 35px calc(-1 * var(--gutter)) 0 0;
    padding-right: var(--gutter);
  }
  .pillar-gallery figure {
    min-width: 92%;
    height: 76vw;
    border-radius: 18px;
  }
  .gallery-nav {
    gap: 12px;
    padding: 24px 0 0;
    font-size: 12px;
  }
  .gallery-nav button {
    padding-inline: 12px;
  }
  .gallery-nav > span:last-child {
    display: none;
  }
  .menu-dialog {
    padding-top: max(25px, env(safe-area-inset-top));
    padding-bottom: max(25px, env(safe-area-inset-bottom));
  }
  .menu-dialog .dialog-top {
    margin-bottom: 30px;
  }
  .menu-dialog nav a,
  .menu-dialog nav button {
    font-size: 26px;
    gap: 13px;
    padding: 19px 0;
  }
  .menu-dialog nav em {
    font-size: 9px;
    max-width: 43px;
  }
  .menu-dialog nav small {
    width: 18px;
  }
  .menu-dialog .dialog-top > img {
    width: 140px;
  }
  .menu-email {
    font-size: 16px;
  }
  .preview-dialog {
    padding: 20px;
  }
  .dialog-top h2 {
    font-size: 27px;
  }
  .reading-dialog {
    padding: 25px;
  }
  .reading-copy {
    font-size: 16px;
  }
  .curtain img {
    width: 140px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
  [data-reveal] {
    transform: none;
    opacity: 1;
  }
  .principle-art:hover img,
  .perspective-card:hover img {
    transform: none;
  }
  .detail-crop img {
    transform: scale(2.4) !important;
  }
}
/* Preserve the complete silhouettes of the original V3 artwork. */
@media (min-width: 651px) {
  .principle-art {
    aspect-ratio: 2.25;
  }
}
.perspective-card:first-child .card-image img,
.pillar-gallery figure:first-child img {
  object-fit: contain;
}

/* One continuous scene; text contrast follows its lighting change. */
.sequence-navigation {
  color: var(--scene-ink, #f1f0e9);
}
[data-page='principle'] .principle-background {
  display: none;
}
@media (min-width: 651px) {
  .pillar-copy {
    width: 34%;
  }
  .pillar-copy h2 {
    font-size: clamp(42px, 4.6vw, 76px);
  }
}

/* The V3 sculpture lives in a continuous navy studio, including its reading pose. */
[data-page='principle'] .pillar-copy {
  color: #f1f0e9;
}
[data-page='principle'] .pillar-copy .eyebrow {
  color: #b5c9c7;
}
[data-page='principle'] .pillar-copy .circle {
  background: #e4e6dc;
  color: #182b32;
}