/* Art direction layer: local artwork, editorial scenes and interruptible motion. */
:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}
body:has(.presentation),
body:has(.hub) {
  background: #0b211d;
  background-image:
    radial-gradient(ellipse at 15% 5%, #235448 0, transparent 45%),
    radial-gradient(ellipse at 100% 100%, #523e24 0, transparent 55%);
  background-attachment: fixed;
}
.presentation {
  min-height: 100dvh;
  padding-bottom: 12px;
}
.appbar {
  color: #e7efde;
  height: 66px;
}
.deck-links a {
  opacity: 0.6;
  transition: opacity 0.2s;
}
.deck-links a:hover {
  opacity: 1;
}
.deck-links a[aria-current] {
  border-color: #d3f489;
}
.stage {
  width: min(1500px, calc(100vw - 64px), calc((100dvh - 194px) * 16 / 9));
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 35px 90px #0007,
    0 0 0 1px #ffffff18;
  --pointer-x: 0px;
  --pointer-y: 0px;
}
.slide {
  --scene-accent: #1a7a6c;
  background: #f5f0df;
}
.slide.dark {
  --scene-accent: #d2f18b;
  background: #143d34;
}
.scene-sunrise:not(.dark) {
  background: #f7d66f;
}
.scene-mint:not(.dark) {
  background: #d5ead2;
}
.slide::before {
  opacity: 0.13;
  pointer-events: none;
}
.atmosphere {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.halo {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
}
.halo-one {
  width: 58cqw;
  height: 58cqw;
  right: -8cqw;
  top: -14cqw;
  background: radial-gradient(circle, #c9dfae99, #c9dfae00 70%);
}
.halo-two {
  width: 40cqw;
  height: 40cqw;
  left: -18cqw;
  bottom: -25cqw;
  background: #dca23d26;
}
.dark .halo-one {
  background: radial-gradient(circle, #67a68044, #67a68000 70%);
}
.orbit-ring {
  position: absolute;
  width: 50cqw;
  height: 50cqw;
  right: -12cqw;
  top: -7cqw;
  border: 1px solid #578c6a33;
  border-radius: 50%;
}
.orbit-ring::before,
.orbit-ring::after {
  content: "";
  position: absolute;
  inset: 3cqw;
  border: 1px solid #578c6a26;
  border-radius: 50%;
}
.orbit-ring::after {
  inset: 6cqw;
}
.dark .orbit-ring,
.dark .orbit-ring::before,
.dark .orbit-ring::after {
  border-color: #d8f4b121;
}
.ribbon {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: #a98b4430;
  stroke-width: 1;
}
.dark .ribbon {
  stroke: #c1e19c24;
}
.scene-number {
  position: absolute;
  left: 2.5cqw;
  bottom: 1cqw;
  font:
    700 19cqw/1 Poppins,
    sans-serif;
  letter-spacing: -0.09em;
  color: transparent;
  -webkit-text-stroke: 1px #1a7a6c16;
}
.dark .scene-number {
  -webkit-text-stroke-color: #c9ecae1a;
}
.spark {
  position: absolute;
  color: var(--scene-accent);
}
.spark-one {
  font-size: 5cqw;
  right: 4cqw;
  top: 3cqw;
}
.spark-two {
  font-size: 2cqw;
  left: 45%;
  bottom: 4.5cqw;
  color: #c78a23;
}
.art-fragment {
  position: absolute;
  width: 36cqw;
  height: 36cqw;
  right: -10cqw;
  top: 13cqw;
  border-radius: 50%;
  overflow: hidden;
  opacity: 0.13;
  mix-blend-mode: multiply;
}
.art-fragment img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.dark .art-fragment {
  opacity: 0.16;
  mix-blend-mode: luminosity;
}
.layout-cover .art-fragment,
.layout-closing .art-fragment {
  display: none;
}
.slide-brand {
  letter-spacing: -0.05em;
}
.slide-brand::after {
  content: "";
  width: 3cqw;
  height: 1px;
  background: currentColor;
  margin-left: 1cqw;
  opacity: 0.4;
}
.copy h1 {
  font-weight: 700;
  font-size: 4.1cqw;
  line-height: 1.06;
  letter-spacing: -0.065em;
}
.headline-accent {
  color: var(--scene-accent);
}
.dark .headline-accent {
  color: #d2f18b;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8cqw;
  color: var(--scene-accent);
}
.eyebrow-line {
  display: inline-block;
  width: 2cqw;
  height: 2px;
  background: currentColor;
}
.body-copy {
  color: #3e5d50;
  font-size: 1.4cqw;
}
.dark .body-copy {
  color: #d0dfce;
}
.slide-footer {
  border-top: 1px solid #1a7a6c26;
  padding-top: 0.8cqw;
}
.dark .slide-footer {
  border-color: #e6f2c522;
}
.layout-cover .cover-art {
  object-position: 65% center;
}
.layout-cover .art-veil {
  background: linear-gradient(
    90deg,
    #f5f0dff5 0%,
    #f5f0dfd9 29%,
    #f5f0df20 65%,
    transparent 80%
  );
}
.layout-cover.dark .art-veil {
  background: linear-gradient(
    90deg,
    #0e3029f5 0%,
    #0e3029df 35%,
    #0e302933 70%,
    transparent
  );
}
.layout-cover .copy {
  width: 57%;
}
.layout-cover .copy h1 {
  font-size: 5.1cqw;
  line-height: 1.03;
}
.deck-investor .layout-cover .copy h1 {
  font-size: 4.05cqw;
}
.layout-cover .body-copy {
  max-width: 32cqw;
}
.layout-cover .spark-one {
  color: #f6c955;
  top: auto;
  bottom: 9cqw;
  right: 5cqw;
}
.layout-cover .scene-number,
.layout-closing .scene-number {
  display: none;
}
.layout-closing .copy h1 {
  font-size: 4.8cqw;
}
.layout-closing .copy {
  width: 61%;
}
.layout-closing .art-veil {
  background: linear-gradient(90deg, #f5f0dff5, #f5f0dfed 35%, #f5f0df00 92%);
}
.layout-closing.dark .art-veil {
  background: linear-gradient(90deg, #0e3029fa, #0e3029d9 45%, #0e302900);
}
.cta-link {
  box-shadow: 0 6px 20px #0b302a20;
  transition:
    transform 0.3s var(--ease-out),
    box-shadow 0.3s;
}
.cta-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px #0b302a35;
}
.cta-link span {
  transition: transform 0.3s;
}
.cta-link:hover span {
  transform: translate(2px, -2px);
}

/* A product screening: a short argument above, a readable recording below. */
.layout-cinema .composition,
.layout-beats .composition {
  grid-template-columns: 1fr;
  gap: 1.5cqw;
  align-content: center;
}
.layout-cinema .copy,
.layout-beats .copy {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  column-gap: 4cqw;
  align-items: center;
}
.layout-cinema .eyebrow,
.layout-beats .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0.8cqw;
}
.layout-cinema .copy h1,
.layout-beats .copy h1 {
  font-size: 3.35cqw;
  margin-bottom: 0;
}
.layout-cinema .body-copy,
.layout-beats .body-copy {
  font-size: 1.15cqw;
  line-height: 1.55;
}
.layout-cinema .pending-badge {
  grid-column: 1 / -1;
  margin-top: 0.5cqw;
  font-size: 0.65cqw;
  justify-self: start;
}
.cinema-exhibit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) calc(30cqw * var(--film-ratio));
  gap: 3cqw;
  align-items: center;
}
.layout-cinema .product-film video,
.layout-cinema .print-poster {
  aspect-ratio: var(--film-ratio);
}
.layout-cinema .film-frame {
  border: 1px solid #ecf7d74d;
  border-radius: 1cqw;
  box-shadow: 0 1.5cqw 4cqw #08251f35;
}
.layout-cinema figcaption {
  font-size: 0.7cqw;
  line-height: 1.5;
  margin-top: 0.6cqw;
}
.story-beats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.4cqw;
}
.story-beat {
  position: relative;
  flex: 1;
  min-width: 0;
  padding: 2cqw;
  border-top: 1px solid #1a7a6c4d;
}
.dark .story-beat {
  border-color: #d2f18b4d;
}
.beat-index {
  display: block;
  font:
    500 1cqw/1 Poppins,
    sans-serif;
  letter-spacing: 0.08em;
  color: var(--scene-accent);
  margin-bottom: 2.2cqw;
}
.story-beat h2 {
  font-size: 2.2cqw;
  line-height: 1.16;
  letter-spacing: -0.045em;
  margin: 0 0 1cqw;
}
.story-beat p {
  font-size: 1.15cqw;
  line-height: 1.55;
  margin: 0;
  opacity: 0.8;
}
.layout-beats .story-beat {
  min-height: 19cqw;
  border-radius: 0 0 1cqw 1cqw;
  background: #ffffff20;
}
.layout-beats .story-beat:first-child {
  background: #173e34;
  color: #f5f0df;
  border-color: #173e34;
}
.layout-beats .story-beat:first-child .beat-index {
  color: #d2f18b;
}
.layout-beats .story-beat:nth-child(2) {
  background: #ffffff38;
}
.layout-cinema .story-beats {
  flex-direction: column;
  gap: 1.2cqw;
}
.layout-cinema .story-beat {
  padding: 1cqw 0 0 2.7cqw;
}
.layout-cinema .beat-index {
  position: absolute;
  left: 0;
  top: 1.1cqw;
  font-size: 0.8cqw;
}
.layout-cinema .story-beat h2 {
  font-size: 1.75cqw;
  margin-bottom: 0.5cqw;
}
.layout-cinema .story-beat p {
  font-size: 1.05cqw;
  max-width: 27cqw;
}
.deck-investor .layout-cover .copy h1 {
  font-size: 5.1cqw;
}

.practice-exhibit {
  padding: 2.4cqw;
  border: 1px solid #1a7a6c40;
  border-radius: 1.4cqw;
  background: #fffdf1;
  color: #173e34;
  box-shadow: 0 1.4cqw 3cqw #173e341c;
}
.practice-scope {
  font-size: 0.75cqw;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #526b60;
}
.practice-question {
  font-size: 1.4cqw;
  margin: 2cqw 0 1.5cqw;
}
.practice-equation {
  display: block;
  font:
    600 4.3cqw/1.2 Poppins,
    sans-serif;
  letter-spacing: -0.05em;
  white-space: nowrap;
}
.practice-hint {
  font-size: 1.05cqw;
  line-height: 1.6;
  margin: 1.4cqw 0 2cqw;
}
.practice-reveal summary {
  width: fit-content;
  cursor: pointer;
  background: #173e34;
  color: #f5f0df;
  font-size: 1.05cqw;
  font-weight: 600;
  padding: 0.9cqw 1.3cqw;
  border-radius: 2cqw;
}
.practice-reveal summary:focus-visible {
  outline: 3px solid #c78a23;
  outline-offset: 4px;
}
.practice-reveal summary span {
  margin-left: 1cqw;
}
.practice-explanation,
.practice-print-answer {
  margin-top: 1.4cqw;
  padding-top: 1.2cqw;
  border-top: 1px solid #1a7a6c40;
}
.practice-explanation strong,
.practice-print-answer strong {
  font:
    600 2.5cqw/1.2 Poppins,
    sans-serif;
  color: #1a7a6c;
}
.practice-explanation p,
.practice-print-answer p {
  font-size: 1.05cqw;
  line-height: 1.6;
  margin: 0.8cqw 0 0;
}
.practice-print-answer {
  display: none;
}

/* Screens sit in a framed exhibit rather than floating on empty paper. */
.layout-product .visual,
.layout-paired .visual {
  padding: 1.4cqw;
  background: #ffffff24;
  border: 1px solid #ffffff45;
  border-radius: 1.8cqw;
}
.layout-product .visual::before,
.layout-paired .visual::before {
  content: "● ● ●  /  SKILLBRIDGE";
  display: block;
  font-size: 0.65cqw;
  letter-spacing: 0.18em;
  margin: -0.2cqw 0 1cqw;
  color: var(--scene-accent);
}
.product-figure svg {
  border-radius: 0.8cqw;
  box-shadow: 0 12px 26px #09291f24;
}
.film-frame {
  position: relative;
  overflow: hidden;
  border-radius: 0.8cqw;
  background: #f4f6f1;
  box-shadow: 0 15px 35px #09291f30;
}
.stat-exhibit {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 30cqw;
  padding: 2.4cqw;
  border-left: 1px solid #1a7a6c40;
}
.dark .stat-exhibit {
  border-color: #d2f18b50;
}
.stat-scope {
  font-size: 0.75cqw;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--scene-accent);
}
.stat-value {
  display: block;
  font:
    700 10.5cqw/1.05 Poppins,
    sans-serif;
  letter-spacing: -0.08em;
  color: var(--scene-accent);
  margin: 1.1cqw 0;
  white-space: nowrap;
}
.stat-label {
  font-size: 1.6cqw;
  font-weight: 600;
  line-height: 1.25;
}
.stat-note {
  font-size: 0.95cqw;
  line-height: 1.6;
  max-width: 33cqw;
  margin: 1.1cqw 0;
}
.stat-source {
  font-size: 0.8cqw;
  color: var(--scene-accent);
  text-underline-offset: 4px;
}
.deck-student .layout-product .visual {
  background: #c9f6f01c;
  border-color: #c9f6f066;
}
.film-play {
  position: absolute;
  z-index: 3;
  top: 0.65cqw;
  right: 0.65cqw;
  background: #173e34ed;
  color: #f3f5df;
  border: 1px solid #e7ebce40;
  border-radius: 30px;
  padding: 0.6cqw 0.9cqw;
  font-size: 0.85cqw;
  box-shadow: 0 4px 12px #0002;
}
.film-play:hover:not(:disabled) {
  color: #d2f18b;
  background: #173e34;
}
.film-play[aria-pressed="true"] {
  opacity: 0.45;
}
.film-play:hover,
.film-play:focus-visible {
  opacity: 1;
}
.product-film video {
  display: block;
  width: 100%;
  aspect-ratio: 1280 / 900;
  object-fit: contain;
  background: #f4f6f1;
}
.print-poster {
  display: none;
  width: 100%;
  aspect-ratio: 1280 / 900;
  object-fit: contain;
}
.film-indicator {
  display: inline-block;
  width: 0.45cqw;
  height: 0.45cqw;
  border-radius: 50%;
  background: #d4af35;
  margin-right: 0.35cqw;
}
.film-download {
  display: inline-block;
  margin-left: 0.6cqw;
  text-underline-offset: 3px;
}
.dark .product-figure figcaption {
  color: #d0dfce;
}
.layout-product .copy h1 {
  font-size: 3.9cqw;
}
.layout-product .body-copy {
  font-size: 1.32cqw;
}

/* Different diagram families become different visual compositions. */
.diagram {
  border-radius: 50%;
  background: radial-gradient(ellipse at center, #ffffff70, transparent 67%);
}
.dark .diagram {
  background: radial-gradient(ellipse at center, #78b98d22, transparent 67%);
}
.diagram svg {
  stroke-width: 3.5;
  stroke: var(--scene-accent);
}
.diagram svg circle {
  fill: #f5f0df;
  stroke: #c28b24;
}
.dark .diagram svg circle {
  fill: #143d34;
  stroke: #dfbd58;
}
.diagram-label {
  border-radius: 100px;
  padding: 0.85cqw 1.2cqw;
  background: #fff9e9;
  border: 1px solid #1a7a6c26;
  box-shadow: 0 8px 25px #133c2c12;
  font-size: 1.2cqw;
}
.dark .diagram-label {
  background: #255444;
  border-color: #e5efb936;
  color: #f5f0df;
}
.diagram-question svg {
  stroke-width: 22;
  stroke: #b77722;
}
.diagram-question .label-2 {
  top: 85%;
}
.diagram-loop::before {
  content: "";
  position: absolute;
  width: 6cqw;
  height: 6cqw;
  left: 43%;
  top: 44%;
  background: url("assets/logo.svg") center / contain no-repeat;
  opacity: 0.8;
}
.diagram-duet svg {
  stroke-width: 20;
  stroke: #bc9b3b;
  opacity: 0.65;
}
.diagram-duet .diagram-label {
  border: 0;
  box-shadow: none;
  background: none;
  padding: 0;
}
.diagram-duet::before {
  content: "&";
  position: absolute;
  left: 41%;
  top: 30%;
  font:
    700 9cqw/1 Poppins,
    sans-serif;
  color: var(--scene-accent);
  opacity: 0.65;
}
.diagram-focus {
  background: #d3e3b638;
}
.diagram-focus .diagram-label {
  min-width: 11cqw;
  font-size: 1.05cqw;
}
.diagram-focus .label-0 {
  left: 33%;
  top: 28%;
}
.diagram-focus .label-1 {
  left: 30%;
  top: 44%;
}
.diagram-focus .label-2 {
  left: 26%;
  top: 60%;
}
.diagram-lanes svg {
  stroke: #90b27d;
  stroke-width: 55;
  opacity: 0.5;
}
.diagram-orbit::after {
  background: #d8eead;
  color: #16382d;
  width: 9cqw;
  height: 9cqw;
  display: grid;
  place-items: center;
  border-radius: 50%;
  box-shadow:
    0 0 0 0.7cqw #d8eead22,
    0 0 0 1.4cqw #d8eead14;
  font-size: 1.25cqw;
}
.diagram-competition::after {
  color: var(--scene-accent);
}
.evidence-slot {
  background: #ffffff30;
  padding: 1.5cqw 1cqw;
  border: 1px solid #527e5640;
  border-radius: 1cqw;
  min-width: 0;
  box-shadow: 0 12px 25px #102e280a;
}
.dark .evidence-slot {
  background: #bce4a110;
  border-color: #bce4a129;
}
.evidence-value {
  font-size: 4.8cqw;
}
.evidence-slot small {
  color: #755519;
}
.formula {
  background: #ffffff20;
  border-top: 1px solid #51794e66;
  padding: 1.5cqw 1cqw;
  border-radius: 0.7cqw;
}
.dark .formula {
  border-color: #cfe7ae55;
}
.pending-badge {
  border-radius: 100px;
  background: #fbe3a1;
  color: #65480c;
}
.dark .pending-badge {
  background: #efd07516;
  color: #f2d683;
}

/* A compact chapter score and a floating control bar. */
.chapter-rail {
  display: flex;
  justify-content: center;
  gap: 7px;
  padding: 19px 20px 4px;
}
.chapter-dot {
  width: 27px;
  min-height: 28px;
  padding: 6px 0;
  color: #deebd6;
  flex-shrink: 0;
}
.chapter-dot::before {
  content: "";
  display: block;
  height: 3px;
  background: #ffffff2b;
  border-radius: 5px;
  transition:
    background 0.25s,
    transform 0.25s;
}
.chapter-dot span {
  display: none;
}
.chapter-dot[aria-current] {
  width: 53px;
}
.chapter-dot[aria-current]::before {
  background: #d2f18b;
}
.chapter-dot.visited::before {
  background: #9cba7b77;
}
.chapter-dot:hover::before {
  background: #f3be3e;
  transform: scaleY(1.8);
}
.controls {
  color: #e0e9d9;
  width: fit-content;
  max-width: calc(100% - 24px);
  margin: 10px auto 0;
  min-height: 57px;
  padding: 7px 16px;
  gap: 8px;
  background: #ffffff0a;
  border: 1px solid #ffffff14;
  border-radius: 100px;
}
.controls button {
  border-radius: 30px;
  transition: background 0.2s;
}
.controls button:hover:not(:disabled) {
  color: #e6f9c2;
  background: #ffffff12;
}
.controls #prev,
.controls #next {
  background: #ffffff0d;
  min-width: 36px;
}
.slide-picker select {
  background: #ffffff0d;
  color: #edf5e4;
  border-radius: 30px;
  padding: 10px 12px;
  max-width: 240px;
}
.slide-picker option {
  color: #142f29;
  background: #f7f4eb;
}
.slide-picker {
  font-size: 10px;
}
.controls .control-divider {
  background: #ffffff26;
}
#motion-toggle {
  font-size: 11px;
}
#notes {
  border-left: 4px solid #d8b846;
}

/* Collection: an art exhibition with staggered frames. */
.hub {
  color: #f5f0df;
  max-width: 1500px;
}
.hub-header {
  color: #dbe8cb;
}
.hub-intro {
  position: relative;
  isolation: isolate;
  max-width: none;
  margin: 85px 0 65px;
}
.hub-intro h1 {
  font-size: clamp(42px, 5.8vw, 86px);
  max-width: 1000px;
  letter-spacing: -0.065em;
}
.hub-intro h1 em {
  color: #d2f18b;
}
.hub-intro .eyebrow {
  color: #dbba57;
}
.hub-intro > p:last-child {
  color: #c0cfbc;
  max-width: 620px;
}
.hub-orbit {
  position: absolute;
  width: 290px;
  height: 290px;
  right: 0;
  top: -35px;
  display: grid;
  place-items: center;
  pointer-events: none;
  color: #edc95c;
  z-index: -1;
}
.hub-orbit span {
  font-size: 180px;
  line-height: 1;
}
.hub-orbit i {
  position: absolute;
  inset: 5px;
  border: 1px solid #d2f18b35;
  border-radius: 50%;
}
.hub-orbit i:last-child {
  inset: -30px;
  border-style: dashed;
}
.hub-grid {
  gap: 36px;
  align-items: start;
}
.film-invitation {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin: -25px 0 50px;
}
.film-invitation .cta-link {
  background: #d2f18b;
  color: #16382d;
  font-size: 13px;
  padding: 15px 22px;
}
.film-invitation > a:nth-child(2) {
  font-size: 13px;
  text-underline-offset: 4px;
}
.film-invitation p {
  width: 100%;
  margin: -8px 0 0;
  color: #bccdb8;
  font-size: 11px;
}
.hub-tile {
  border-radius: 15px;
  box-shadow: 0 20px 50px #0004;
  border: 1px solid #ffffff26;
  transition:
    transform 0.5s var(--ease-out),
    box-shadow 0.5s;
}
.hub-tile:nth-child(even) {
  margin-top: 65px;
}
.hub-tile:hover {
  transform: translateY(-9px) rotate(-0.5deg);
  box-shadow: 0 35px 70px #0006;
}
.tile-main {
  aspect-ratio: 1.4;
}
.tile-main:hover > img {
  transform: scale(1.07);
}
.tile-main > img {
  transition: transform 1.1s var(--ease-out);
}
.tile-main::after {
  inset: 0;
  background: linear-gradient(0deg, #082a23f5, #082a2333 62%, transparent);
}
.tile-copy h2 {
  font-size: clamp(25px, 2.8vw, 42px);
}
.tile-copy > span {
  color: #e7ce7c;
}
.tile-copy i {
  border: 1px solid #ffffff50;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
}
.review-invitation {
  border-color: #ffffff24;
}
.review-invitation .eyebrow {
  color: #d9be64;
}
.review-invitation p:last-child,
.hub-footer {
  color: #bdceb7;
}
.review-invitation .cta-link {
  background: #d2f18b;
  color: #142f29;
}

@media (prefers-reduced-motion: no-preference) {
  .slide.active {
    animation: scene-enter 0.85s var(--ease-out) both;
  }
  .active .eyebrow {
    animation: rise 0.75s 0.08s var(--ease-out) both;
  }
  .active .copy h1 {
    animation: rise 0.9s 0.14s var(--ease-out) both;
  }
  .active .body-copy,
  .active .pending-badge,
  .active .cta-row,
  .active .contact-pending {
    animation: rise 0.9s 0.25s var(--ease-out) both;
  }
  .active .visual {
    animation: exhibit-enter 1.05s 0.12s var(--ease-out) both;
  }
  .active .story-beat {
    animation: rise 0.85s 0.3s var(--ease-out) both;
  }
  .active .story-beat:nth-child(2) {
    animation-delay: 0.48s;
  }
  .active .story-beat:nth-child(3) {
    animation-delay: 0.66s;
  }
  .active .cover-art {
    animation: art-reveal 1.7s var(--ease-out) both;
  }
  .active .halo-one {
    animation: halo-drift 12s ease-in-out infinite alternate;
  }
  .active .orbit-ring {
    animation: ring-breathe 9s ease-in-out infinite alternate;
  }
  .active .spark-one {
    animation: spark-turn 24s linear infinite;
  }
  .active .spark-two {
    animation: spark-float 6s ease-in-out infinite alternate;
  }
  .active .diagram svg path {
    stroke-dasharray: 1;
    animation: trace-path 1.5s 0.25s var(--ease-out) both;
  }
  .active .diagram svg circle {
    transform-box: fill-box;
    transform-origin: center;
    animation: node-pop 0.7s 0.7s var(--ease-out) both;
  }
  .active .diagram-label {
    animation: label-enter 0.8s 0.45s var(--ease-out) both;
  }
  .active .label-1 {
    animation-delay: 0.6s;
  }
  .active .label-2 {
    animation-delay: 0.75s;
  }
  .active .label-3 {
    animation-delay: 0.9s;
  }
  .active .evidence-slot,
  .active .formula {
    animation: rise 0.85s 0.3s var(--ease-out) both;
  }
  .active .evidence-slot:nth-child(2),
  .active .formula:nth-child(2) {
    animation-delay: 0.45s;
  }
  .active .evidence-slot:nth-child(3),
  .active .formula:nth-child(3) {
    animation-delay: 0.6s;
  }
  .hub-intro {
    animation: rise 1s var(--ease-out) both;
  }
  .hub-orbit span {
    animation: spark-turn 2.5s var(--ease-out) both;
  }
  .hub-orbit i:last-child {
    animation: spark-turn 3s var(--ease-out) reverse both;
  }
  .hub-tile {
    animation: rise 1s 0.15s var(--ease-out) backwards;
  }
  .hub-tile:nth-child(2) {
    animation-delay: 0.3s;
  }
  .hub-tile:nth-child(3) {
    animation-delay: 0.45s;
  }
  .hub-tile:nth-child(4) {
    animation-delay: 0.6s;
  }
}
@media (hover: hover) and (pointer: fine) {
  .active .visual {
    translate: var(--pointer-x) var(--pointer-y);
    transition: translate 0.5s var(--ease-out);
  }
  .active .art-fragment {
    translate: calc(var(--pointer-x) * -2) calc(var(--pointer-y) * -2);
    transition: translate 0.7s var(--ease-out);
  }
}
@keyframes scene-enter {
  from {
    opacity: 0;
    transform: translateX(calc(var(--entry-direction, 1) * 24px)) scale(0.987);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes exhibit-enter {
  from {
    opacity: 0;
    transform: translate(25px, 12px) rotate(2deg) scale(0.95);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes art-reveal {
  from {
    transform: scale(1.09);
    filter: saturate(0.6);
  }
  to {
    transform: scale(1.02);
    filter: saturate(1.1);
  }
}
@keyframes halo-drift {
  to {
    transform: translate(-3cqw, 4cqw) scale(1.12);
  }
}
@keyframes ring-breathe {
  to {
    transform: scale(1.12) translate(-1cqw, 2cqw);
  }
}
@keyframes spark-turn {
  to {
    transform: rotate(360deg);
  }
}
@keyframes spark-float {
  to {
    transform: translateY(-12px) rotate(20deg);
  }
}
@keyframes trace-path {
  from {
    stroke-dashoffset: 1;
    opacity: 0.3;
  }
  to {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}
@keyframes node-pop {
  from {
    transform: scale(0.2);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
@keyframes label-enter {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.94);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.motion-off *,
.is-background * {
  animation: none !important;
  transition: none !important;
  translate: none !important;
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    translate: none !important;
    scroll-behavior: auto !important;
  }
}
@media (max-width: 1100px) and (min-width: 761px) {
  .controls {
    gap: 4px;
    padding: 6px;
    font-size: 10px;
  }
  .slide-picker select {
    max-width: 185px;
  }
  .draft-label {
    display: none;
  }
}
@media (min-width: 761px), print {
  .layout-question .composition,
  .layout-focus .composition {
    grid-template-columns: 1fr 1fr;
  }
  .layout-question .copy,
  .layout-focus .copy {
    grid-area: 1 / 2;
  }
  .layout-question .visual,
  .layout-focus .visual {
    grid-area: 1 / 1;
  }
  .layout-question .art-fragment,
  .layout-focus .art-fragment {
    right: auto;
    left: -10cqw;
  }
}
@media (max-width: 760px) {
  .practice-exhibit {
    padding: 6cqw;
    border-radius: 3cqw;
  }
  .practice-scope {
    font-size: 2.5cqw;
  }
  .practice-question {
    font-size: 4.2cqw;
    margin: 6cqw 0 4cqw;
  }
  .practice-equation {
    font-size: 10cqw;
  }
  .practice-hint,
  .practice-explanation p {
    font-size: 3.6cqw;
  }
  .practice-hint {
    margin: 4cqw 0 6cqw;
  }
  .practice-reveal summary {
    font-size: 3.6cqw;
    padding: 3cqw 4cqw;
    border-radius: 6cqw;
  }
  .practice-explanation {
    margin-top: 4cqw;
    padding-top: 4cqw;
  }
  .practice-explanation strong {
    font-size: 7cqw;
  }
  .layout-cinema .copy,
  .layout-beats .copy {
    display: block;
  }
  .layout-cinema .copy h1,
  .layout-beats .copy h1 {
    font-size: 9cqw;
    margin-bottom: 4cqw;
  }
  .layout-cinema .eyebrow,
  .layout-beats .eyebrow {
    margin-bottom: 4cqw;
  }
  .layout-cinema .body-copy,
  .layout-beats .body-copy {
    font-size: 4.2cqw;
  }
  .layout-cinema .pending-badge {
    font-size: 2.5cqw;
    margin-top: 3cqw;
  }
  .cinema-exhibit {
    display: flex;
    flex-direction: column;
    gap: 5cqw;
  }
  .cinema-exhibit .product-figure {
    order: -1;
    width: 100%;
  }
  .layout-cinema figcaption {
    font-size: 2.5cqw;
    margin-top: 2cqw;
  }
  .layout-cinema .story-beats {
    width: 100%;
    gap: 3cqw;
  }
  .layout-cinema .story-beat {
    padding: 3cqw 0 0 7cqw;
  }
  .layout-cinema .beat-index {
    top: 3.5cqw;
    font-size: 2.5cqw;
  }
  .layout-cinema .story-beat h2 {
    font-size: 4.5cqw;
    margin-bottom: 1cqw;
  }
  .layout-cinema .story-beat p {
    font-size: 3.6cqw;
    max-width: none;
  }
  .layout-beats .story-beats {
    flex-direction: column;
    gap: 4cqw;
  }
  .layout-beats .story-beat {
    min-height: 35cqw;
    padding: 5cqw;
  }
  .layout-beats .beat-index {
    font-size: 3cqw;
    margin-bottom: 3cqw;
  }
  .layout-beats .story-beat h2 {
    font-size: 6cqw;
    margin-bottom: 3cqw;
  }
  .layout-beats .story-beat p {
    font-size: 4cqw;
  }
  .layout-beats .story-beat::after {
    font-size: 7cqw;
    bottom: 3cqw;
    right: 4cqw;
  }
  .stat-exhibit {
    min-height: 58cqw;
    padding: 6cqw;
  }
  .stat-scope,
  .stat-source {
    font-size: 2.6cqw;
  }
  .stat-value {
    font-size: 22cqw;
    margin: 3cqw 0;
  }
  .stat-label {
    font-size: 4.6cqw;
  }
  .stat-note {
    font-size: 3cqw;
    max-width: 70cqw;
    margin: 3cqw 0;
  }
  .film-play {
    font-size: 3cqw;
    padding: 2cqw 3cqw;
    min-height: 36px;
    top: 2cqw;
    right: 2cqw;
  }
  .film-indicator {
    width: 1.5cqw;
    height: 1.5cqw;
    margin-right: 1cqw;
  }
  .film-download {
    margin-left: 2cqw;
  }
  .presentation {
    padding-bottom: 0;
  }
  .appbar {
    height: auto;
    padding: 16px 20px;
  }
  .stage {
    width: calc(100vw - 24px);
    border-radius: 13px;
  }
  .slide {
    min-height: calc(100dvh - 245px);
  }
  .copy h1,
  .layout-cover .copy h1,
  .deck-investor .layout-cover .copy h1,
  .layout-closing .copy h1,
  .layout-product .copy h1 {
    font-size: 9.5cqw;
    line-height: 1.06;
  }
  .layout-cover .copy,
  .deck-investor .layout-cover .copy,
  .layout-closing .copy {
    width: 100%;
  }
  .layout-cover .body-copy,
  .layout-closing .body-copy,
  .body-copy,
  .layout-product .body-copy {
    max-width: 100%;
    font-size: 4.2cqw;
  }
  .layout-cover .art-veil {
    background: linear-gradient(90deg, #f5f0dff0, #f5f0dfb5);
  }
  .layout-cover.dark .art-veil {
    background: linear-gradient(90deg, #0e3029f2, #0e3029bf);
  }
  .layout-closing .art-veil {
    background: #f5f0dfeb;
  }
  .layout-closing.dark .art-veil {
    background: #0e3029e8;
  }
  .eyebrow {
    gap: 2cqw;
  }
  .eyebrow-line {
    width: 5cqw;
  }
  .slide-brand::after {
    width: 8cqw;
    margin-left: 2cqw;
  }
  .slide-footer {
    padding-top: 3cqw;
  }
  .art-fragment {
    width: 70cqw;
    height: 70cqw;
    top: 25%;
    right: -40cqw;
    opacity: 0.1;
  }
  .orbit-ring {
    width: 120cqw;
    height: 120cqw;
    right: -70cqw;
    top: 10%;
  }
  .scene-number {
    font-size: 37cqw;
    bottom: 4cqw;
  }
  .spark-one {
    font-size: 10cqw;
    top: 5cqw;
    right: 6cqw;
  }
  .spark-two {
    display: none;
  }
  .layout-cover .spark-one {
    bottom: 19cqw;
    opacity: 0.6;
  }
  .diagram-label {
    font-size: 3.4cqw;
    padding: 1.6cqw 2.2cqw;
  }
  .diagram-focus .diagram-label {
    font-size: 3cqw;
    min-width: 23cqw;
  }
  .diagram-orbit::after {
    width: 20cqw;
    height: 20cqw;
    font-size: 2.8cqw;
  }
  .diagram-duet::before {
    font-size: 20cqw;
  }
  .layout-product .visual,
  .layout-paired .visual {
    padding: 3cqw;
    border-radius: 4cqw;
  }
  .layout-product .visual::before,
  .layout-paired .visual::before {
    font-size: 1.9cqw;
    margin: 0 0 3cqw;
  }
  .layout-product .visual::after {
    width: 9cqw;
    height: 9cqw;
    font-size: 5cqw;
    right: -2cqw;
  }
  .evidence-slot {
    padding: 4cqw 2cqw;
    border-radius: 3cqw;
  }
  .evidence-value {
    font-size: 9cqw;
  }
  .formula {
    padding: 4cqw 2cqw;
  }
  .chapter-rail {
    gap: 4px;
    padding: 14px 0 0;
    margin: 0 20px;
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: none;
  }
  .chapter-dot {
    width: 24px;
    min-height: 28px;
  }
  .chapter-dot[aria-current] {
    width: 28px;
  }
  .controls {
    border-radius: 16px 16px 0 0;
    max-width: none;
    width: 100%;
    margin-top: 5px;
    padding: 8px 10px 12px;
    gap: 4px;
    min-height: 90px;
    background: #102f28f5;
    z-index: 5;
  }
  .controls .slide-picker select {
    max-width: 150px;
  }
  .controls #prev,
  .controls #next {
    min-width: 36px;
    min-height: 36px;
  }
  .controls button {
    min-height: 36px;
  }
  .hub-intro {
    margin: 65px 0 40px;
  }
  .hub-intro h1 {
    font-size: clamp(38px, 9vw, 65px);
  }
  .hub-orbit {
    width: 180px;
    height: 180px;
    right: -10px;
    top: -25px;
    opacity: 0.2;
  }
  .hub-orbit span {
    font-size: 110px;
  }
  .hub-grid {
    gap: 25px;
  }
  .hub-tile:nth-child(even) {
    margin-top: 0;
  }
  .tile-copy h2 {
    font-size: 29px;
  }
  .tile-main {
    aspect-ratio: 1.15;
  }
}
@media print {
  .practice-reveal {
    display: none;
  }
  .practice-print-answer {
    display: block;
  }
  .product-film video,
  .film-download,
  .film-indicator,
  .film-play {
    display: none !important;
  }
  .product-film .print-poster {
    display: block !important;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    translate: none !important;
  }
  .slide,
  .slide * {
    transform: none !important;
    opacity: 1;
  }
  .slide {
    border-radius: 0;
  }
  .stage {
    border-radius: 0;
    overflow: visible;
  }
  .chapter-rail {
    display: none !important;
  }
  .atmosphere .art-fragment {
    opacity: 0.13;
  }
  .dark .atmosphere .art-fragment {
    opacity: 0.16;
  }
  .halo {
    display: none;
  }
  .presentation {
    padding: 0;
  }
  .diagram-duet::before {
    opacity: 0.65;
  }
}

/* Edition 7: let the learning moment take the stage. */
.film-caption {
  min-height: 2.8em;
  margin: 0.6cqw 0 0;
  padding: 0.55cqw 0.85cqw;
  font-size: 1.05cqw;
  line-height: 1.35;
  background: #173e34;
  color: #fffbe9;
  border-radius: 0.45cqw;
}
.film-caption:empty::before {
  content: "Recorded product example · Play to follow the steps";
  opacity: 0.8;
}
.film-playing .atmosphere * {
  animation-play-state: paused !important;
}
.film-playing .spark {
  opacity: 0.12;
}
.film-playing .halo {
  opacity: 0.25;
}
.entry-steps {
  list-style: none;
  padding: 2cqw;
  margin: 0;
  border: 1px solid #fff6;
  border-radius: 1.4cqw;
  background: #fffdf2ed;
  color: #173e34;
  box-shadow: 0 2cqw 5cqw #123c3420;
}
.entry-steps li {
  display: flex;
  gap: 1.3cqw;
  padding: 1.4cqw 0;
  border-bottom: 1px solid #173e3425;
}
.entry-steps li:last-child {
  border: 0;
}
.entry-steps li > span {
  display: grid;
  place-items: center;
  flex: 0 0 2.8cqw;
  height: 2.8cqw;
  border-radius: 50%;
  background: #d2f18b;
  font-weight: 700;
  font-size: 1cqw;
}
.entry-steps h2 {
  margin: 0 0 0.5cqw;
  font-size: 1.8cqw;
  letter-spacing: -0.04em;
}
.entry-steps p {
  margin: 0;
  font-size: 1.15cqw;
  line-height: 1.5;
}
@media (min-width: 761px), print {
  .layout-cinema .copy h1 {
    font-size: 2.85cqw;
  }
  .layout-cinema .composition {
    gap: 0.55cqw;
  }
  .layout-cinema .eyebrow {
    margin-bottom: 0.45cqw;
  }
  .layout-cinema .body-copy {
    font-size: 1.05cqw;
  }
  .cinema-exhibit {
    grid-template-columns: minmax(0, 1fr) min(
        63cqw,
        calc(34cqw * var(--film-ratio))
      );
    gap: 2cqw;
  }
  .has-entry-steps .composition {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
  }
  .has-entry-steps .copy {
    width: 100%;
    max-width: none;
  }
  .has-entry-steps .copy h1 {
    font-size: 4.1cqw;
  }
  .has-entry-steps .body-copy {
    font-size: 1.35cqw;
  }
  .has-entry-steps .visual {
    display: block;
  }
}
@media (max-width: 760px) {
  .film-caption {
    font-size: 3.5cqw;
    padding: 2.5cqw 3cqw;
    margin-top: 2cqw;
    border-radius: 2cqw;
  }
  .entry-steps {
    padding: 4cqw;
  }
  .entry-steps li {
    padding: 4cqw 0;
    gap: 3cqw;
  }
  .entry-steps li > span {
    flex-basis: 9cqw;
    height: 9cqw;
    font-size: 3.2cqw;
  }
  .entry-steps h2 {
    font-size: 5.5cqw;
  }
  .entry-steps p {
    font-size: 4cqw;
  }
  .has-entry-steps .visual {
    display: block;
    width: 100%;
  }
}
@media print {
  .film-caption {
    display: none;
  }
}

.team-people {
  display: flex;
  gap: 1.4cqw;
  justify-content: center;
}
.team-people article {
  flex: 1;
  min-width: 0;
  padding: 2cqw 1.2cqw;
  background: #ffffff15;
  border: 1px solid #9cc79355;
  border-radius: 1.2cqw;
}
.person-monogram {
  display: grid;
  place-items: center;
  width: 7cqw;
  height: 7cqw;
  margin: 0 auto 2cqw;
  border-radius: 50%;
  background: #d2f18b;
  color: #173e34;
  font:
    600 3.5cqw/1 Poppins,
    sans-serif;
}
.team-people h2 {
  font-size: 1.65cqw;
  text-align: center;
  margin: 0;
}
@media (max-width: 760px) {
  .team-people {
    gap: 3cqw;
  }
  .team-people article {
    padding: 6cqw 2cqw;
  }
  .person-monogram {
    width: 18cqw;
    height: 18cqw;
    font-size: 8cqw;
    margin-bottom: 5cqw;
  }
  .team-people h2 {
    font-size: 4.4cqw;
  }
}

@media (min-width: 761px), print {
  .layout-cinema figcaption {
    margin-top: 0.25cqw;
  }
}
.balance-sketch {
  display: block;
  width: 100%;
  height: 5.5cqw;
  margin: 0 0 1cqw;
  color: #176e5d;
}
.balance-sketch rect {
  fill: #d2f18b;
}
.balance-sketch text {
  text-anchor: middle;
  font:
    600 23px Poppins,
    sans-serif;
  fill: #173e34;
}
.balance-removed {
  fill: #e5b82e;
  transition: opacity 0.5s;
}
.balance-after {
  display: none;
}
.practice-exhibit:has(.practice-reveal[open]) .balance-before {
  display: none;
}
.practice-exhibit:has(.practice-reveal[open]) .balance-after {
  display: block;
}
.practice-exhibit:has(.practice-reveal[open]) .balance-removed {
  opacity: 0.15;
}
@media (max-width: 760px) {
  .balance-sketch {
    height: 19cqw;
    margin-bottom: 4cqw;
  }
}
@media print {
  .balance-before {
    display: none;
  }
  .balance-after {
    display: block;
  }
  .balance-removed {
    display: none;
  }
}