:root {
  --color-bg: #0f1110;
  --color-text: #ffffff;
  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC",
    "Helvetica Neue", Arial, sans-serif;
  --page-padding: clamp(20px, 4vw, 72px);
  --grid-gap: clamp(16px, 1.5vw, 28px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--color-bg);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
}

p:lang(zh),
dd:lang(zh) {
  word-break: normal;
  overflow-wrap: normal;
  text-wrap: pretty;
}

:is(.work-card__content, .work-collection__placeholder, .event-viewer__copy, .app-viewer__copy, .card-stack__copy) :is(h3, p, dd) {
  text-wrap: pretty;
}

:is(.work-card__content, .work-collection__placeholder, .event-viewer__copy, .app-viewer__copy, .card-stack__copy) h3 {
  text-wrap: balance;
}

.card-text__tail {
  white-space: nowrap;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 100vh;
  min-height: 100svh;
  padding: clamp(28px, 3.5vw, 56px) var(--page-padding)
    clamp(24px, 3vw, 44px);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #0f1110 url("./pic/IP设计/C.png") center / cover no-repeat;
}

.hero__media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(
    to bottom,
    rgb(0 0 0 / 25%) 0 58%,
    rgb(15 17 16 / 60%) 82%,
    var(--color-bg) 100%
  );
  pointer-events: none;
}

.hero__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__video[hidden] {
  display: none;
}

.hero__header {
  position: relative;
  z-index: 2;
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  font-size: clamp(14px, 1vw, 18px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.hero__title {
  position: relative;
  z-index: 2;
  grid-column: 1 / -1;
  align-self: end;
  justify-self: center;
  width: min(51vw, 885px, 130svh);
  margin: 0 0 clamp(28px, 3.5vh, 44px);
}

.hero__title img {
  display: block;
  width: 100%;
  height: auto;
}

.hero__scroll {
  position: relative;
  z-index: 2;
  grid-column: 1 / -1;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: clamp(11px, 0.75vw, 13px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.16em;
  color: inherit;
  text-decoration: none;
}

.hero__scroll:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 8px;
}

.hero__scroll-arrow {
  font-size: 1.3em;
  line-height: 1;
}

@media (min-width: 768px) and (any-hover: hover) and (any-pointer: fine) and (prefers-reduced-motion: no-preference) {
  .hero-reveal-ready .hero__title {
    transition: opacity 850ms ease, transform 850ms cubic-bezier(0.2, 0.78, 0.18, 1);
  }

  .hero-reveal-ready:not(.hero-revealed) .hero__title {
    opacity: 0;
    transform: translateY(32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__video {
    display: none;
  }
}

.activity-design-intro {
  width: min(100%, 1600px);
  margin-inline: auto;
  padding: clamp(64px, 7vw, 112px) var(--page-padding) 0;
}

.activity-design-intro .card-stack__heading {
  margin-bottom: 0;
}

.activity-design-intro + .project {
  padding-top: clamp(72px, 6vw, 104px);
}

.activity-design-intro + .project .project__heading,
.activity-design-intro + .project .project__description {
  grid-row: 1;
}

.activity-design-intro + .project .project__heading {
  position: relative;
}

.activity-design-intro + .project .project__eyebrow {
  position: absolute;
  z-index: 0;
  top: clamp(-40px, -2.5vw, -20px);
  left: 0;
  width: 100%;
  text-align: center;
  translate: none;
}

.activity-design-intro + .project .project__heading h2 {
  z-index: 1;
}

@media (max-width: 767px) {
  .activity-design-intro + .project .project__eyebrow {
    top: -2.5vw;
  }
}

.project {
  --project-muted: #aaaaaa;
  --project-line: #4a4a4a;
  width: min(100%, 1600px);
  margin-inline: auto;
  padding: clamp(72px, 8vw, 128px) var(--page-padding)
    clamp(96px, 9vw, 144px);
}

.project + .project {
  padding-top: clamp(24px, 2vw, 32px);
}

#project-01 {
  padding-bottom: clamp(56px, 5vw, 83px);
}

#project-02 {
  padding-bottom: 54px;
}

.project__intro,
.project__feature {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
}

.project__intro {
  row-gap: clamp(40px, 4vw, 64px);
}

.project__feature-copy {
  grid-column: 2 / span 4;
  min-width: 0;
}

.project__heading {
  grid-column: 2 / span 5;
  grid-row: 2;
  min-width: 0;
}

.project__eyebrow {
  grid-column: 1 / -1;
  grid-row: 1;
  display: block;
  width: 100%;
  text-align: center;
  translate: 0 clamp(8px, 3vw, 52px);
  color: #383838;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
  mask-image: linear-gradient(to bottom, #000, transparent);
  font-size: clamp(40px, 5vw, 80px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.project__heading h2 {
  position: relative;
  margin: 0;
  font-size: clamp(32px, 4vw, 64px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.project__heading img {
  display: block;
  width: min(100%, 330px);
  height: auto;
  margin-inline: auto;
}

.project__description,
.project__visual {
  min-width: 0;
}

.project__description {
  grid-column: 7 / span 5;
  grid-row: 2;
}

.project__meta-mark {
  display: block;
  width: 14px;
  aspect-ratio: 1;
  border: 2px solid var(--color-text);
  border-radius: 50%;
  opacity: 0.65;
}

.project__description p {
  margin: 0;
}

.project__description-cn {
  font-size: clamp(15px, 0.95vw, 18px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 2;
  opacity: 0.95;
}

.project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(32px, 4vw, 64px) 0 0;
  padding: 0;
  list-style: none;
  opacity: 0.65;
}

.project__tags li {
  padding: 8px 18px;
  border: 1px solid #777777;
  border-radius: 999px;
  color: #eeeeee;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
}

.project__meta {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: var(--grid-gap);
  margin-top: clamp(48px, 5vw, 88px);
  color: var(--project-muted);
  font-size: clamp(12px, 0.85vw, 14px);
  line-height: 1.4;
}

.project__meta-rule {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  margin-top: 16px;
}

.project__meta-rule::after {
  content: "";
  grid-column: 2 / 12;
  border-top: 1px solid var(--project-line);
}

.project__meta span:first-child {
  grid-column: 2 / span 4;
}

.project__meta span:nth-child(2) {
  grid-column: 7 / span 4;
}

.project__meta-mark {
  grid-column: 11;
  justify-self: end;
}

.project__feature {
  align-items: center;
  margin-top: clamp(32px, 4vw, 64px);
}

.project__feature-copy {
  padding-right: clamp(16px, 2vw, 32px);
}

.project__index {
  color: var(--project-muted);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.project__feature-copy p {
  margin: 24px 0 0;
  font-size: clamp(15px, 0.95vw, 18px);
  font-weight: 300;
  line-height: 1.8;
  opacity: 0.9;
}

.project__visual {
  grid-column: 7 / span 4;
  margin: 0;
}

.project__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.project__gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  row-gap: clamp(32px, 4vw, 64px);
  margin-top: clamp(32px, 4vw, 64px);
}

.project__gallery-heading {
  grid-column: 2 / 12;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--project-line);
  color: var(--project-muted);
  font-size: clamp(12px, 0.85vw, 14px);
  line-height: 1.4;
}

.project__gallery-images {
  grid-column: 2 / 12;
  display: grid;
  grid-template-columns: minmax(0, 8729fr) minmax(0, 2250fr);
  column-gap: var(--grid-gap);
  row-gap: calc(var(--grid-gap) + 24px);
  align-items: start;
  min-width: 0;
}

.project__gallery-images img {
  display: block;
  width: 100%;
  height: auto;
  min-width: 0;
  border-radius: 16px;
}

.project__gallery-offline {
  grid-column: 1 / -1;
}

.project__gallery-images--coffee {
  grid-template-columns: minmax(0, 2.51517fr) minmax(0, 1fr);
}

.project__collage {
  position: relative;
  width: 81%;
  aspect-ratio: 1171 / 733;
  margin: clamp(40px, 4vw, 72px) auto 0;
}

.project__collage-item {
  position: absolute;
  display: block;
  height: auto;
  max-width: none;
  transition: opacity 0.45s ease, filter 0.45s ease, transform 0.45s ease;
}

.project__collage-item--intro {
  top: 15.3%;
  left: 18.2%;
  width: 16.2%;
}

.project__collage-item--echo {
  top: 6.5%;
  left: 41.8%;
  width: 23.7%;
}

.project__collage-item--dada {
  top: 21.1%;
  left: 66.3%;
  width: 23.7%;
}

.project__collage-item--cafe {
  top: 42.6%;
  left: 10.1%;
  width: 28.1%;
}

.project__collage-item--meet {
  top: 41%;
  left: 42%;
  width: 18.9%;
}

.project__collage-item--shen {
  top: 70.9%;
  left: 34.5%;
  width: 20.6%;
}

.project__collage-item--brut {
  top: 57.8%;
  left: 62.9%;
  width: 26.2%;
}

.work-collection {
  width: min(100%, 1600px);
  margin-inline: auto;
  padding: 0 clamp(32px, 8vw, 128px) clamp(96px, 9vw, 144px);
}

.work-collection__heading {
  margin: 0 auto clamp(16px, 2vw, 28px);
  text-align: center;
}

.work-collection__eyebrow {
  display: block;
  width: max-content;
  margin: 0 auto;
  color: #383838;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
  mask-image: linear-gradient(to bottom, #000, transparent);
  font-size: clamp(64px, 8vw, 120px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}

.work-collection__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.work-collection__more {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(0, 1.1fr);
  gap: 24px;
  margin-top: 24px;
}

.work-collection__placeholder {
  position: relative;
  min-width: 0;
  border: 1px solid rgb(255 255 255 / 30%);
  border-radius: 28px;
  background: rgb(16 16 16 / 20%);
}

.work-collection__placeholder--wide {
  grid-column: 1;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgb(0 0 0 / 82%), rgb(0 0 0 / 58%) 62%, rgb(0 0 0 / 40%)),
    url("./pic/6-0bg.png");
  background-position: center, right center;
  background-repeat: no-repeat;
  background-size: cover, auto 100%;
}

.work-collection__app-heading {
  position: absolute;
  z-index: 1;
  top: clamp(12px, 2vw, 24px);
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding-inline: 24px;
}

.work-collection__app-heading h3 {
  margin: 0;
  font-size: clamp(24px, 1.8vw, 30px);
  font-weight: 500;
  line-height: 1.2;
}

.work-collection__app-media {
  position: absolute;
  right: 24px;
  bottom: clamp(10px, 1.2vw, 18px);
  left: 24px;
  height: min(170px, calc(100% - 92px));
  overflow: hidden;
  opacity: 0.72;
  transition: opacity 0.4s ease;
}

.work-collection__app-track {
  display: flex;
  width: max-content;
  height: 100%;
  animation: work-collection-app-marquee 48s linear infinite;
  will-change: transform;
}

.work-collection__app-group {
  display: flex;
  flex: none;
  height: 100%;
  gap: 16px;
  padding-right: 16px;
}

.work-collection__app-group img {
  display: block;
  flex: none;
  width: auto;
  height: 100%;
  max-width: none;
}

.work-collection__app-group img:nth-child(-n + 2) {
  border-radius: 8px;
}

@keyframes work-collection-app-marquee {
  to { transform: translateX(-50%); }
}

.work-collection__placeholder--square {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  aspect-ratio: 8 / 5;
  padding: 24px;
  overflow: hidden;
}

.work-collection__placeholder--square h3 {
  margin: 1px 0 0;
  font-size: clamp(24px, 1.8vw, 30px);
  font-weight: 500;
  line-height: 1.2;
}

.work-collection__data-image {
  position: absolute;
  right: 13%;
  bottom: 16px;
  display: block;
  width: 74%;
  height: auto;
  opacity: 0.72;
  transition: opacity 0.4s ease;
}

.work-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 490px;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 30%);
  border-radius: 28px;
  background: rgb(16 16 16 / 20%);
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.35s ease-out;
}

.work-card__content {
  padding: 32px 32px 0;
}

.work-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: #272727;
  color: #e8e8e8;
  font-size: 13px;
  font-weight: 600;
}

.work-card h3 {
  margin: 28px 0 0;
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 500;
  line-height: 1.25;
}

.work-card__content p {
  margin: 14px 0 0;
  font-size: clamp(15px, 0.95vw, 18px);
  font-weight: 300;
  line-height: 1.8;
  opacity: 0.7;
}

.work-card__visual {
  margin-top: auto;
  opacity: 0.72;
  transition: opacity 0.4s ease;
}

.work-card:nth-child(2) .work-card__visual {
  opacity: 1;
}

.work-card__visual--marquee {
  overflow: hidden;
  padding-bottom: 32px;
}

.work-card__track {
  display: flex;
  width: max-content;
  animation: work-card-marquee 48s linear infinite;
  will-change: transform;
}

.work-card__track-group {
  display: flex;
  flex: none;
  gap: 16px;
  padding-right: 16px;
}

.work-card__track-group img {
  display: block;
  flex: none;
  width: auto;
  height: clamp(140px, 14vw, 180px);
  max-width: none;
  border-radius: 12px;
}

@keyframes work-card-marquee {
  to { transform: translateX(-50%); }
}

.work-card__visual--quiz {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  grid-template-rows: auto auto;
  align-items: end;
  align-content: end;
  column-gap: 12px;
  row-gap: 8px;
  width: 100%;
  max-width: 460px;
  height: 248px;
  margin-inline: auto;
  padding: 0 24px 24px;
}

.work-card__visual--quiz img {
  display: block;
  width: 100%;
  height: auto;
  min-width: 0;
  object-fit: contain;
}

.work-card__visual--quiz img:nth-child(1),
.work-card__visual--quiz img:nth-child(2) {
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 12px;
}

.work-card__visual--quiz img:nth-child(1) {
  grid-column: 1;
  grid-row: 1;
}

.work-card__visual--quiz img:nth-child(2) {
  grid-column: 1;
  grid-row: 2;
}

.work-card__visual--quiz img:nth-child(3) {
  grid-column: 2;
  grid-row: 1 / 3;
  max-height: 224px;
  align-self: end;
}

.work-card__visual--research {
  width: 100%;
  max-width: 370px;
  margin-inline: auto;
  padding: 0 24px 24px;
}

.work-card__research-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 1436;
  overflow: hidden;
  border-radius: 12px;
}

.work-card__research-track {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  width: 300%;
  height: 100%;
  animation: work-card-research-slide 8.2s cubic-bezier(0.22, 1, 0.36, 1) infinite;
  will-change: transform;
}

.work-card__research-track img {
  display: block;
  flex: 0 0 calc(100% / 3);
  width: calc(100% / 3);
  height: 100%;
  min-width: 0;
  object-fit: cover;
}

.work-card__open {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: zoom-in;
}

.work-card__open:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

html.event-viewer-open,
html.event-viewer-open body,
html.app-viewer-open,
html.app-viewer-open body,
html.data-viewer-open,
html.data-viewer-open body,
html.research-viewer-open,
html.research-viewer-open body,
html.quiz-viewer-open,
html.quiz-viewer-open body {
  overflow: hidden;
}

.event-viewer {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  background: #0f1110;
  color: #fff;
  font-family: var(--font-sans);
}

.event-viewer::-webkit-scrollbar,
.event-viewer__media::-webkit-scrollbar {
  display: none;
}

.event-viewer::backdrop {
  background: rgb(0 0 0 / 85%);
}

.event-viewer__toolbar {
  position: fixed;
  z-index: 5;
  top: 12px;
  left: clamp(20px, 4vw, 64px);
}

.event-viewer__body {
  width: min(1640px, calc(100% - 12vw));
  margin-inline: auto;
  padding: 48px 0 140px;
}

.event-viewer__intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.event-viewer__intro h2 {
  margin: 0;
  font-size: clamp(25px, 2vw, 34px);
  font-weight: 500;
  line-height: 1.3;
}

.event-viewer__intro p {
  margin: 0;
  color: #a9a9a9;
  font-size: clamp(13px, 1vw, 17px);
}

.event-viewer__intro span {
  color: #bbb;
  font-size: clamp(13px, 1vw, 17px);
  line-height: 1.6;
}

.event-viewer__cases {
  display: flex;
  flex-direction: column;
  gap: clamp(88px, 8vw, 130px);
  margin-top: clamp(90px, 7vw, 120px);
}

.event-viewer__case {
  display: grid;
  grid-template-areas: "copy media";
  grid-template-columns: minmax(300px, 30%) minmax(0, 1fr);
  align-items: center;
  gap: clamp(40px, 4.5vw, 80px);
  min-width: 0;
}

.event-viewer__case--reverse {
  grid-template-areas: "media copy";
  grid-template-columns: minmax(0, 1fr) minmax(300px, 30%);
}

.event-viewer__copy {
  grid-area: copy;
  min-width: 0;
}

.event-viewer__number {
  display: block;
  color: #393b3a;
  font-size: clamp(72px, 6vw, 112px);
  font-weight: 500;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.event-viewer__copy h3 {
  margin: 32px 0 22px;
  font-size: clamp(26px, 2.15vw, 38px);
  font-weight: 500;
  line-height: 1.3;
}

.event-viewer__copy p {
  max-width: 470px;
  margin: 0;
  color: #ddd;
  font-size: clamp(16px, 1.1vw, 20px);
  line-height: 1.9;
}

.event-viewer__media {
  grid-area: media;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.event-viewer__media:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

.event-viewer__image {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 1100px) {
  .event-viewer__body {
    width: calc(100% - 40px);
    padding: 88px 0 80px;
  }

  .event-viewer__intro {
    gap: 10px;
  }

  .event-viewer__cases {
    gap: 84px;
    margin-top: 72px;
  }

  .event-viewer__case,
  .event-viewer__case--reverse {
    grid-template-areas: "copy" "media";
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .event-viewer__number {
    font-size: 72px;
  }

  .event-viewer__copy h3 {
    margin: 16px 0 12px;
    font-size: clamp(25px, 5vw, 34px);
  }

  .event-viewer__copy p {
    font-size: 16px;
  }

  .event-viewer__image {
    width: max(100%, 650px);
  }
}

.app-viewer,
.data-viewer {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: #0f1110;
  color: #fff;
  font-family: var(--font-sans);
}

.app-viewer {
  overflow: hidden;
  --app-slide-gap: clamp(18px, 2vw, 32px);
}

.app-viewer[open] {
  display: flex;
  flex-direction: column;
}

.app-viewer::backdrop,
.data-viewer::backdrop {
  background: rgb(0 0 0 / 85%);
}

.app-viewer__header,
.data-viewer__header {
  position: fixed;
  z-index: 5;
  top: 12px;
  left: clamp(20px, 4vw, 64px);
}

.app-viewer__stage {
  flex: 1;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  touch-action: pan-x;
  cursor: grab;
}

.app-viewer__stage::-webkit-scrollbar {
  display: none;
}

.app-viewer__stage.is-dragging {
  cursor: grabbing;
}

.app-viewer__stage:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -2px;
}

.app-viewer__track {
  display: flex;
  align-items: center;
  width: max-content;
  min-width: 100%;
  height: 100%;
  gap: var(--app-slide-gap);
  padding: 64px 24px 32px;
}

.app-viewer__slide {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  height: min(82dvh, 760px);
  padding: clamp(18px, 2vw, 28px);
  border: 1px solid rgb(255 255 255 / 40%);
  border-radius: 18px;
  scroll-snap-align: center;
}

.app-viewer__image-frame {
  display: flex;
  flex: none;
  align-items: center;
  height: 100%;
  overflow: hidden;
  border-radius: 11px;
}

.app-viewer__image-frame img {
  display: block;
  width: auto;
  height: 100%;
  max-width: none;
  border-radius: 11px;
  user-select: none;
}

.app-viewer__slide--cover {
  align-items: flex-start;
  gap: clamp(28px, 3vw, 44px);
  padding: 14px;
}

.app-viewer__copy {
  width: clamp(260px, 20vw, 330px);
  padding-top: 24px;
  color: #f4f4f4;
  cursor: auto;
}

.app-viewer__copy h3 {
  margin: 0 0 32px;
  font-size: 32px;
  line-height: 1.25;
  font-weight: 700;
}

.app-viewer__details {
  margin: 0;
}

.app-viewer__details > div + div {
  margin-top: 22px;
}

.app-viewer__details dt {
  margin-bottom: 6px;
  color: #a9a9a9;
  font-size: 12px;
  line-height: 1.4;
}

.app-viewer__details dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  opacity: 0.9;
}

.data-viewer {
  padding-inline: 24px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
}

.data-viewer::-webkit-scrollbar {
  display: none;
}

.data-viewer__image {
  display: block;
  width: min(1080px, max(650px, calc(100% - 48px)));
  height: auto;
  margin: 72px auto 48px;
}

@media (max-width: 900px) {
  .app-viewer {
    --app-slide-gap: 16px;
  }

  .app-viewer__stage {
    touch-action: auto;
  }

  .app-viewer__track {
    align-items: stretch;
    padding-block: 72px 20px;
  }

  .app-viewer__slide {
    height: 100%;
  }

  .app-viewer__slide--cover {
    width: min(88vw, 460px);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    overflow-y: auto;
    padding: 16px;
    touch-action: pan-x pan-y;
  }

  .app-viewer__slide--cover .app-viewer__image-frame {
    height: auto;
  }

  .app-viewer__slide--cover img {
    height: min(42dvh, 360px);
    max-width: calc(88vw - 34px);
    object-fit: contain;
  }

  .app-viewer__copy {
    width: 100%;
    padding-top: 0;
  }

  .app-viewer__copy h3 {
    margin-bottom: 24px;
    font-size: 24px;
  }

  .app-viewer__details > div + div {
    margin-top: 16px;
  }

  .app-viewer__details dt {
    font-size: 11px;
  }

  .app-viewer__details dd {
    font-size: 13px;
    line-height: 1.85;
  }
}

.research-viewer {
  --research-slide-width: min(82vw, 135dvh);
  --research-slide-gap: clamp(16px, 1.5vw, 28px);
  --research-slide-start: calc((100vw - var(--research-slide-width)) / 2);
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  background: #0f1110;
  color: #fff;
  font-family: var(--font-sans);
}

.research-viewer[open] {
  display: flex;
  flex-direction: column;
}

.research-viewer::backdrop {
  background: rgb(0 0 0 / 85%);
}

.research-viewer__header {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 64px;
  padding: 10px clamp(20px, 4vw, 64px);
  font-size: 18px;
  font-weight: 500;
}

.work-viewer__back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #e2e2e2;
  cursor: pointer;
  font: inherit;
}

.work-viewer__back::before {
  content: "";
  width: 18px;
  height: 18px;
  border-bottom: 1.5px solid currentColor;
  border-left: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.work-viewer__back:hover {
  color: #fff;
}

.research-viewer__stage {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  touch-action: pan-y;
}

.research-viewer__track {
  display: flex;
  width: max-content;
  height: 100%;
  gap: var(--research-slide-gap);
  padding-left: var(--research-slide-start);
  transition: transform 450ms ease;
}

.research-viewer__track.is-second {
  transform: translateX(calc(0px - var(--research-slide-width) - var(--research-slide-gap)));
}

.research-viewer__slide {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: var(--research-slide-width);
  height: 100%;
}

.research-viewer__slide img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}

.research-viewer__controls {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 54px;
  padding: 2px 20px 8px;
}

.research-viewer__controls button {
  display: inline-flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgb(255 255 255 / 45%);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 26px;
  line-height: 1;
}

.research-viewer__controls button:not(:disabled):hover {
  background: rgb(255 255 255 / 12%);
}

.research-viewer__controls button {
  position: relative;
  border: 0;
  color: #b8b8b8;
  font-size: 20px;
}

.research-viewer__controls button::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgb(255 255 255 / 26%);
  border-radius: 50%;
  pointer-events: none;
}

.research-viewer__controls button:not(:disabled):hover {
  background: transparent;
  color: #fff;
}

.research-viewer__controls button:not(:disabled):hover::before {
  border-color: rgb(255 255 255 / 48%);
  background: rgb(255 255 255 / 8%);
}

.work-viewer__back:focus-visible,
.research-viewer__controls button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

.research-viewer__controls button:disabled {
  opacity: 0.3;
  cursor: default;
}

.research-viewer__count {
  min-width: 42px;
  text-align: center;
  color: #a9a9a9;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 600px) {
  .research-viewer {
    --research-slide-width: calc(100vw - 48px);
    --research-slide-gap: 12px;
    --research-slide-start: 12px;
  }

  .research-viewer__header {
    min-height: 64px;
    font-size: 16px;
  }

  .research-viewer__controls {
    min-height: 64px;
    padding-bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .research-viewer__track {
    transition: none;
  }
}

.quiz-viewer {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100vh;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  overscroll-behavior: contain;
  background: #000;
  color: #fff;
  font-family: var(--font-sans);
}

.quiz-viewer::backdrop {
  background: rgb(0 0 0 / 85%);
}

.quiz-viewer__header {
  position: fixed;
  z-index: 5;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 10px clamp(20px, 4vw, 64px);
  pointer-events: none;
}

.quiz-viewer__back {
  pointer-events: auto;
}

.quiz-viewer__content {
  width: 100%;
  height: 300vh;
  height: 300dvh;
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.quiz-viewer.is-ai .quiz-viewer__content {
  transform: translateY(-100dvh);
}

.quiz-viewer.is-color .quiz-viewer__content {
  transform: translateY(-200dvh);
}

.quiz-viewer__activity {
  display: flex;
  align-items: center;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  padding: 16px 0;
  overflow: hidden;
}

.quiz-viewer__activity--color {
  align-items: stretch;
  padding: 0;
}

.quiz-viewer__flow {
  width: 100%;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.quiz-viewer__flow::-webkit-scrollbar {
  display: none;
}

.quiz-viewer__flow:focus-visible {
  outline: 2px solid #fff;
  outline-offset: -2px;
}

.quiz-viewer__flow--color {
  height: 100%;
  padding: 32px 0 48px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.quiz-viewer__canvas {
  position: relative;
  width: min(1466px, calc(100vw - 96px), 155dvh);
  min-width: 1100px;
  margin-inline: auto;
}

.quiz-viewer__artwork {
  display: block;
  width: 100%;
  height: auto;
}

.quiz-viewer__result {
  position: absolute;
  top: 33.3%;
  left: 76.9%;
  width: 18%;
}

.quiz-viewer__phone {
  position: relative;
  width: 100%;
  aspect-ratio: 250 / 480;
}

.quiz-viewer__screen {
  position: absolute;
  inset: 2% 9% 4%;
  overflow: hidden;
  border-radius: 13% / 6%;
  background: #111;
}

.quiz-viewer__result-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quiz-viewer__shell {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.quiz-viewer__ai-result {
  position: absolute;
  top: 36.2%;
  left: 42%;
  width: 16.6%;
}

.quiz-viewer__ai-popup {
  position: absolute;
  top: 36.2%;
  left: 3.34%;
  width: 15.76%;
  aspect-ratio: 231 / 455;
  padding: 0.3%;
  overflow: hidden;
  border-radius: 11% / 5%;
}

.quiz-viewer__ai-popup video {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 10% / 5%;
  object-fit: cover;
}

.quiz-viewer__mobile-poster {
  display: none;
}

.quiz-viewer__ai-phone {
  position: relative;
  width: 100%;
  aspect-ratio: 362 / 684;
}

.quiz-viewer__ai-screen {
  position: absolute;
  inset: 2.2% 8.2% 5%;
  overflow: hidden;
  border-radius: 12% / 6%;
  background: #111;
}

.quiz-viewer__ai-result-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.quiz-viewer__ai-shell {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.quiz-viewer__ai-video {
  position: absolute;
  top: 46%;
  left: 65%;
  width: 32%;
}

.quiz-viewer__ai-video video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #090a0c;
}

.quiz-viewer__video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 80%);
  border-radius: 50%;
  background: rgb(0 0 0 / 70%);
  color: #fff;
  cursor: pointer;
  transform: translate(-50%, -50%);
}

.quiz-viewer__video-play span {
  display: block;
  width: 0;
  height: 0;
  margin-left: 4px;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 13px solid currentColor;
}

.quiz-viewer__ai-video.is-playing .quiz-viewer__video-play {
  display: none;
}

.quiz-viewer__video-play:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

.quiz-viewer__canvas--color {
  width: min(1359px, calc(100vw - 96px), 165dvh);
  min-width: min(1100px, 165dvh);
}

.quiz-viewer__color-video {
  position: absolute;
  top: 5%;
  left: 13.17%;
  width: 20.68%;
  height: 52.1%;
  overflow: hidden;
  border-radius: 30% 30% 33% 33% / 11% 11% 8% 8%;
  background: #111;
}

.quiz-viewer__color-video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(1.12);
}

.quiz-viewer__artwork--color {
  position: relative;
  pointer-events: none;
}

.quiz-viewer__result-count {
  position: absolute;
  right: 0;
  bottom: calc(100% + 7px);
  left: 0;
  color: #aaa;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.quiz-viewer__result-arrow {
  position: absolute;
  z-index: 3;
  top: 50%;
  display: inline-grid;
  width: 32px;
  height: 32px;
  padding: 0;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 50%;
  background: #0f1110;
  color: #fff;
  cursor: pointer;
  font: 22px/1 var(--font-sans);
  transform: translateY(-50%);
}

.quiz-viewer__result-arrow--previous {
  right: calc(100% + 8px);
}

.quiz-viewer__result-arrow--next {
  left: calc(100% + 8px);
}

.quiz-viewer__result-arrow--next:not(:disabled) {
  border-color: #fff;
  background: #fff;
  color: #111;
}

.quiz-viewer__result-arrow--next:not(:disabled)::before,
.quiz-viewer__result-arrow--next:not(:disabled)::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid rgb(255 255 255 / 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: quiz-result-hint 2.4s ease-out infinite;
}

.quiz-viewer__result-arrow--next:not(:disabled)::after {
  animation-delay: 1.2s;
}

.quiz-viewer__result-arrow:disabled {
  opacity: 0.35;
  cursor: default;
}

.quiz-viewer__result-arrow:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 5px;
}

@keyframes quiz-result-hint {
  from { opacity: 0.55; transform: scale(1); }
  to { opacity: 0; transform: scale(1.8); }
}

@media (max-width: 1195px) {
  .quiz-viewer__canvas {
    margin-inline: 24px;
  }
}

@media (max-width: 600px) {
  .quiz-viewer__canvas {
    min-width: 1040px;
  }
}

@media (max-height: 620px) {
  .quiz-viewer__canvas {
    min-width: 900px;
  }
}

@media (max-width: 600px), (max-height: 620px) {
  .quiz-viewer__canvas--color {
    min-width: min(1100px, 165dvh);
  }
}

@media (prefers-reduced-motion: reduce) {
  .quiz-viewer__content {
    transition: none;
  }

  .quiz-viewer__result-arrow--next:not(:disabled)::before,
  .quiz-viewer__result-arrow--next:not(:disabled)::after {
    animation: none;
    opacity: 0;
  }
}
@keyframes work-card-research-slide {
  0%, 41.463% { transform: translateX(0); }
  50%, 91.463% { transform: translateX(-33.333333%); }
  100% { transform: translateX(-66.666667%); }
}

@media (hover: hover) and (pointer: fine) {
  .project__collage-item:not(.project__collage-item--meet):not(.project__collage-item--echo) {
    filter: saturate(75%);
    opacity: 0.55;
  }

  .project__collage-item:not(.project__collage-item--meet):hover {
    filter: none;
    opacity: 1;
    transform: scale(1.015);
  }
}

@media (hover: hover) and (pointer: fine) and (min-width: 901px) {
  :is(.work-card, .work-collection__placeholder)::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    padding: 4px;
    border-radius: inherit;
    pointer-events: none;
    opacity: var(--border-opacity, 0);
    background: radial-gradient(
      circle 210px at var(--border-x, 50%) var(--border-y, 50%),
      rgb(255 255 255 / 92%) 0%,
      rgb(255 255 255 / 88%) 24%,
      rgb(255 255 255 / 68%) 42%,
      rgb(255 255 255 / 36%) 68%,
      rgb(255 255 255 / 10%) 86%,
      rgb(255 255 255 / 3%) 96%,
      transparent 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    filter: drop-shadow(0 0 2px rgb(255 255 255 / 18%));
    transition: opacity 0.2s ease;
  }

  .work-card:hover {
    z-index: 1;
    transform: translateY(-6px);
  }

  .work-card:hover .work-card__visual,
  .work-collection__placeholder--wide:hover .work-collection__app-media,
  .work-collection__placeholder--square:hover .work-collection__data-image {
    opacity: 1;
  }

  .work-collection__cards:has(.work-card:not(:nth-child(2)):hover, .work-collection__placeholder:hover)
    .work-card:nth-child(2) .work-card__visual {
    opacity: 0.72;
  }
}

@media (prefers-reduced-motion: reduce) {
  .work-collection__app-track {
    animation: none;
    transform: none;
    will-change: auto;
  }

  .work-card__track {
    animation: none;
    transform: none;
    will-change: auto;
  }

  .work-card__research-track {
    animation: none;
    transform: translateX(0);
    will-change: auto;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .has-reveal [data-reveal] {
    transition: opacity 700ms ease-out, transform 700ms ease-out;
  }

  .has-reveal [data-reveal]:not(.is-visible) {
    opacity: 0;
    transform: translateY(24px);
  }
}

@media (max-width: 767px) {
  .hero {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .hero__header {
    gap: 12px;
    font-size: clamp(12px, 3vw, 14px);
    letter-spacing: 0.11em;
  }

  .hero__title {
    width: min(69vw, 420px);
    margin-bottom: clamp(24px, 4svh, 36px);
  }
}

/* Project 01 and 02 keep the 1440px desktop geometry scaled to the phone width. */
@media (max-width: 767px) {
  :is(#project-01, #project-02) {
    --grid-gap: 1.5vw;
    padding-inline: 4vw;
    font-size: 1.1111vw;
  }

  #project-01 {
    padding-top: 6vw;
    padding-bottom: 5vw;
  }

  #project-02 {
    padding-top: 2vw;
    padding-bottom: 3.75vw;
  }

  :is(#project-01, #project-02) .project__intro {
    row-gap: 4vw;
  }

  :is(#project-01, #project-02) .project__eyebrow {
    font-size: 5vw;
  }

  :is(#project-01, #project-02) .project__heading h2 {
    font-size: 4vw;
  }

  :is(#project-01, #project-02) .project__heading img {
    width: min(100%, 22.9167vw);
  }

  :is(#project-01, #project-02) .project__description-cn,
  :is(#project-01, #project-02) .project__feature-copy p {
    font-size: 1.0417vw;
  }

  :is(#project-01, #project-02) .project__tags {
    gap: 0.6944vw;
    margin-top: 4vw;
  }

  :is(#project-01, #project-02) .project__tags li {
    padding: 0.5556vw 1.25vw;
    border-width: 0.0694vw;
    font-size: 0.9028vw;
  }

  :is(#project-01, #project-02) .project__meta {
    margin-top: 5vw;
    font-size: 0.85vw;
  }

  :is(#project-01, #project-02) .project__meta-rule {
    margin-top: 1.1111vw;
  }

  :is(#project-01, #project-02) .project__meta-mark {
    width: 0.9722vw;
    border-width: 0.1389vw;
  }

  :is(#project-01, #project-02) .project__feature,
  :is(#project-01, #project-02) .project__gallery {
    margin-top: 4vw;
  }

  :is(#project-01, #project-02) .project__feature-copy {
    padding-right: 2vw;
  }

  :is(#project-01, #project-02) .project__index {
    font-size: 0.9028vw;
  }

  :is(#project-01, #project-02) .project__feature-copy p {
    margin-top: 1.6667vw;
  }

  :is(#project-01, #project-02) .project__visual img,
  :is(#project-01, #project-02) .project__gallery-images img {
    border-radius: 1.1111vw;
  }

  :is(#project-01, #project-02) .project__gallery {
    row-gap: 4vw;
  }

  :is(#project-01, #project-02) .project__gallery-heading {
    gap: 1.1111vw;
    padding-bottom: 1.1111vw;
    font-size: 0.85vw;
  }

  :is(#project-01, #project-02) .project__gallery-images {
    row-gap: 3.1667vw;
  }

  #project-02 .project__collage {
    margin-top: 4vw;
  }
}

@media (max-width: 900px) {
  .work-collection {
    padding: 0 8vw 9vw;
  }

  .work-collection__heading {
    margin-bottom: 1.9444vw;
  }

  .work-collection__eyebrow {
    font-size: 8vw;
  }

  .work-collection__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6667vw;
  }

  .work-collection__more {
    grid-template-columns: minmax(0, 1.9fr) minmax(0, 1.1fr);
    gap: 1.6667vw;
    margin-top: 1.6667vw;
  }

  .work-card {
    min-height: 34.0278vw;
    border-radius: 1.9444vw;
  }

  .work-card__content {
    padding: 2.2222vw 2.2222vw 0;
  }

  .work-card__number {
    width: 2.6389vw;
    height: 2.6389vw;
    border-radius: 0.7639vw;
    font-size: 0.9028vw;
  }

  .work-card h3 {
    margin-top: 1.9444vw;
    font-size: 2vw;
  }

  .work-card__content p {
    margin-top: 0.9722vw;
    font-size: 1.0417vw;
  }

  .work-card__visual--marquee {
    padding-bottom: 2.2222vw;
  }

  .work-card__track-group {
    gap: 1.1111vw;
    padding-right: 1.1111vw;
  }

  .work-card__track-group img {
    height: 12.5vw;
    border-radius: 0.8333vw;
  }

  .work-card__visual--quiz {
    column-gap: 0.8333vw;
    row-gap: 0.5556vw;
    height: 17.2222vw;
    padding: 0 1.6667vw 1.6667vw;
  }

  .work-card__visual--quiz img:nth-child(1),
  .work-card__visual--quiz img:nth-child(2) {
    border-radius: 0.8333vw;
  }

  .work-card__visual--quiz img:nth-child(3) {
    max-height: 15.5556vw;
  }

  .work-card__visual--research {
    max-width: 25.6944vw;
    padding: 0 1.6667vw 1.6667vw;
  }

  .work-card__research-banner {
    border-radius: 0.8333vw;
  }

  .work-collection__placeholder {
    border-radius: 1.9444vw;
  }

  .work-collection__app-heading {
    top: 1.6667vw;
    gap: 0.9722vw;
    padding-inline: 1.6667vw;
  }

  .work-collection__app-heading h3,
  .work-collection__placeholder--square h3 {
    font-size: 1.8vw;
  }

  .work-collection__app-media {
    right: 1.6667vw;
    bottom: 1.2vw;
    left: 1.6667vw;
    height: min(11.8056vw, calc(100% - 6.3889vw));
  }

  .work-collection__app-group {
    gap: 1.1111vw;
    padding-right: 1.1111vw;
  }

  .work-collection__app-group img:nth-child(-n + 2) {
    border-radius: 0.5556vw;
  }

  .work-collection__placeholder--square {
    gap: 0.9722vw;
    padding: 1.6667vw;
  }

  .work-collection__placeholder--square h3 {
    margin-top: 0.0694vw;
  }

  .work-collection__data-image {
    bottom: 1.1111vw;
  }
}

.card-stack {
  --stack-card-bg: #0f1110;
  --stack-top: clamp(48px, 8svh, 100px);
  --stack-step: clamp(54px, 7svh, 78px);
  --stack-height: min(72svh, calc(100svh - var(--stack-top) - var(--stack-step) - var(--stack-step) - 24px));
  --stack-notch: clamp(34px, 4.5vw, 70px);
  --stack-radius: 17px;
  --stack-line: rgb(255 255 255 / 68%);
  width: min(100%, 1600px);
  margin-inline: auto;
  padding: var(--stack-top) var(--page-padding) 0;
}

.card-stack__heading {
  margin: 0 auto clamp(32px, 4vw, 64px);
  text-align: center;
}

.card-stack__eyebrow {
  display: block;
  width: max-content;
  max-width: 100%;
  margin: 0 auto -0.24em;
  color: #383838;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
  mask-image: linear-gradient(to bottom, #000, transparent);
  font-size: clamp(42px, 8vw, 120px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.card-stack__heading h2 {
  position: relative;
  margin: 0;
  font-size: clamp(36px, 4vw, 60px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.card-stack__details {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(100%, 440px);
  margin: clamp(24px, 3vw, 38px) auto 0;
  color: #a9a9a9;
  font-size: clamp(13px, 1.25vw, 18px);
  line-height: 1.4;
}

.card-stack__details img {
  display: block;
  width: auto;
  max-width: 48%;
  height: auto;
  opacity: 0.7;
}

.card-stack__details img:last-child {
  margin-top: 24px;
}

.card-stack__details img:first-child {
  transform: translateY(-12px);
}

.activity-design-intro .section-heading {
  --heading-accent: #ed6aab;
}

.card-stack > .section-heading {
  --heading-accent: #aeffa0;
}

.ip-design .section-heading {
  --heading-accent: #ffe571;
}

.creative-design .section-heading {
  --heading-accent: #206ed8;
}

.section-heading {
  width: min(100%, 640px);
}

.section-heading .card-stack__eyebrow {
  display: none;
}

.section-heading h2 {
  isolation: isolate;
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
  font-size: clamp(38px, 7.5vw, 56px);
  white-space: nowrap;
}

.section-heading h2::after {
  position: absolute;
  top: 0.36em;
  right: -52px;
  width: 12px;
  height: 12px;
  background: var(--heading-accent);
  content: "";
}

.section-heading__accent {
  position: absolute;
  z-index: -1;
  right: -14px;
  bottom: -12px;
  width: 174px;
  height: 32px;
  overflow: visible;
  fill: none;
  stroke: var(--heading-accent);
  stroke-width: 1.68;
  pointer-events: none;
}

.section-heading .card-stack__details {
  width: min(100%, 560px);
  margin-top: 22px;
  transform: translateX(42px);
}

.section-heading .card-stack__details img:first-child {
  margin-top: 30px;
  transform: none;
}

.section-heading .card-stack__details img:last-child {
  margin-top: 0;
}

@media (max-width: 600px) {
  .section-heading h2::after {
    right: -22px;
    width: 9px;
    height: 9px;
  }

  .section-heading__accent {
    right: -4px;
    bottom: -10px;
    width: min(174px, 50vw);
    height: auto;
  }

  .section-heading .card-stack__details {
    transform: none;
  }

  .section-heading .card-stack__details img:first-child {
    margin-top: 24px;
  }
}

.activity-design-intro .section-heading {
  width: min(100%, 560px);
}

.activity-design-intro .section-heading h2 {
  font-size: clamp(34px, 6.5vw, 48px);
}

.activity-design-intro .section-heading h2::after {
  right: -44px;
  width: 10px;
  height: 10px;
}

.activity-design-intro .section-heading__accent {
  right: -12px;
  bottom: -10px;
  width: 150px;
  height: auto;
}

.activity-design-intro .card-stack__details {
  width: min(100%, 480px);
  margin-top: 18px;
  transform: translateX(36px);
}

.activity-design-intro .card-stack__details img:first-child {
  width: 183px;
  margin-top: 26px;
}

.activity-design-intro .card-stack__details img:last-child {
  width: 163px;
}

@media (max-width: 600px) {
  .activity-design-intro .section-heading h2::after {
    right: -18px;
    width: 8px;
    height: 8px;
  }

  .activity-design-intro .section-heading__accent {
    right: -4px;
    bottom: -8px;
    width: min(150px, 45vw);
  }

  .activity-design-intro .card-stack__details {
    transform: none;
  }

  .activity-design-intro .card-stack__details img:first-child {
    margin-top: 20px;
  }
}

.card-stack__card {
  /* Equal sticky bottoms keep the three visible surfaces moving together on exit. */
  position: sticky;
  top: var(--stack-top);
  z-index: 1;
  height: calc(var(--stack-height) + var(--stack-step) + var(--stack-step));
}

.card-stack__track {
  display: contents;
}

.card-stack__card--second {
  top: calc(var(--stack-top) + var(--stack-step));
  z-index: 2;
  height: calc(var(--stack-height) + var(--stack-step));
}

.card-stack__card--third {
  top: calc(var(--stack-top) + var(--stack-step) + var(--stack-step));
  z-index: 3;
  height: var(--stack-height);
}

.card-stack__hold {
  /* A real child extends the sticky range beyond the last card. */
  height: 40svh;
}

.card-stack__surface {
  position: relative;
  height: var(--stack-height);
  transform: scale(var(--stack-scale, 1));
  transform-origin: center top;
}

.card-stack__outline {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.card-stack__outline path {
  fill: var(--stack-card-bg);
  stroke: var(--stack-line);
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
}

.card-stack__number {
  position: absolute;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--stack-notch);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(12px, 0.9vw, 16px);
  line-height: 1.2;
  pointer-events: none;
  z-index: 2;
}

.card-stack__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(24px, 3vw, 52px);
  height: 100%;
  padding: clamp(28px, 4vw, 56px) clamp(28px, 4vw, 56px);
  padding-left: calc(var(--stack-notch) + clamp(28px, 4vw, 56px));
}

.card-stack__copy {
  min-width: 0;
  transform: translateY(-24px);
}

.card-stack__card--second .card-stack__copy {
  width: min(100%, 520px);
  margin-left: clamp(12px, 1.3vw, 24px);
}

.card-stack__fields {
  display: grid;
  gap: clamp(18px, 2.2svh, 28px);
  margin: 0;
}

.card-stack__field dt {
  margin-bottom: 4px;
  color: #b8b8b8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(12px, 0.85vw, 14px);
  line-height: 1.25;
}

.card-stack__field dd {
  margin: 0;
}

.card-stack__field:not(.card-stack__field--name) dd {
  font-size: clamp(15px, 0.95vw, 18px);
  font-weight: 300;
  letter-spacing: 0.04em;
  line-height: 2;
  opacity: 0.95;
}

.card-stack__field h3 {
  margin: 0;
  font-size: clamp(28px, 2.4vw, 38px);
  font-weight: 600;
  line-height: 1.2;
}

.card-stack__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  position: relative;
  min-width: 0;
  width: 80%;
  height: min(52svh, 520px);
}

.card-stack__visual img {
  display: block;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.card-stack__card--second .card-stack__visual img {
  width: 100%;
  max-height: 100%;
  border-radius: 16px;
}

.card-stack__prompt-frame {
  width: 94%;
  margin-left: auto;
}

.card-stack__prompt-frame img {
  width: 100%;
  border-radius: 16px;
}

.card-stack__prompt-icon {
  position: absolute;
  left: 0;
  bottom: calc(5% + 12px);
  width: clamp(34px, 4vw, 50px);
}

.card-stack__visual--calendar {
  display: block;
  width: 70.4%;
  height: auto;
  aspect-ratio: 563 / 416;
  max-height: min(52svh, 520px);
}

.card-stack__visual--calendar .card-stack__calendar-base,
.card-stack__visual--calendar .card-stack__calendar-dialog {
  position: absolute;
  max-height: none;
}

.card-stack__calendar-base {
  top: 0;
  left: 0;
  width: 75%;
  border-radius: 16px;
}

.card-stack__calendar-dialog {
  right: 0;
  bottom: 10%;
  width: 41%;
  border-radius: 12px;
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .card-stack__visual {
    transition: transform 350ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .card-stack__visual:hover {
    transform: scale(1.04);
  }
}

.card-stack__exit {
  height: clamp(120px, 18svh, 240px);
}

.ip-design {
  width: min(100%, 1920px);
  margin-inline: auto;
  padding: 0 clamp(32px, 6.5vw, 120px) clamp(96px, 10vw, 160px);
}

.ip-design__gallery {
  position: relative;
  width: min(100%, 1600px);
  aspect-ratio: 1000 / 250;
  margin-inline: auto;
}

.ip-design__item {
  position: absolute;
  margin: 0;
  overflow: hidden;
  border-radius: clamp(4px, 0.8vw, 10px);
}

.ip-design__item img {
  display: block;
  width: 100%;
  height: auto;
}

.ip-design__item video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
}

.ip-design__item.is-playing video {
  opacity: 1;
}

.ip-design__item--a { left: 0; top: 35%; width: 20%; z-index: 1; }
.ip-design__item--b { left: 19%; top: 25%; width: 14%; z-index: 2; }
.ip-design__item--c { left: 31%; top: 0; width: 40%; z-index: 3; }
.ip-design__item--d { left: 69%; top: 43%; width: 20%; z-index: 2; }
.ip-design__item--e { left: 88%; top: 25%; width: 12%; z-index: 3; }

@media (hover: hover) and (pointer: fine) {
  .ip-design__item:hover {
    z-index: 10;
  }
}

@media (max-width: 1100px) {
  .card-stack {
    --stack-top: clamp(40px, 7svh, 72px);
    --stack-step: clamp(40px, 6svh, 58px);
    --stack-height: min(68svh, calc(100svh - var(--stack-top) - var(--stack-step) - var(--stack-step) - 24px));
    --stack-notch: clamp(30px, 5vw, 44px);
  }
}

@media (max-width: 600px) {
  .card-stack {
    --stack-top: 6svh;
    --stack-radius: 12px;
  }

  .card-stack__details img:last-child {
    margin-top: 14px;
  }

  .card-stack__details img:first-child {
    transform: translateY(-8px);
  }
}

@media (max-width: 1100px), (max-height: 700px), (prefers-reduced-motion: reduce) {
  .card-stack {
    padding-bottom: clamp(72px, 10vw, 144px);
  }

  .card-stack__card,
  .card-stack__card--second,
  .card-stack__card--third {
    position: relative;
    top: auto;
    height: auto;
    margin-bottom: clamp(20px, 3vw, 40px);
  }

  .card-stack__surface {
    height: auto;
    background: var(--stack-card-bg);
    border: 1px solid var(--stack-line);
    border-radius: var(--stack-radius);
    transform: none;
  }

  .card-stack__outline {
    display: none;
  }

  .card-stack__number {
    position: static;
    width: auto;
    height: auto;
    justify-content: flex-start;
    padding: clamp(20px, 3vw, 32px) clamp(20px, 3vw, 32px) 0;
  }

  .card-stack__content {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(24px, 4vw, 40px);
    height: auto;
    padding: clamp(20px, 3vw, 32px);
  }

  .card-stack__copy {
    transform: none;
  }

  .card-stack__card--second .card-stack__copy {
    width: 100%;
    margin-left: 0;
  }

  .card-stack__visual {
    width: min(80%, 528px);
    height: auto;
    margin-inline: auto;
  }

  .card-stack__card--second .card-stack__visual img {
    max-height: none;
  }

  .card-stack__visual--calendar {
    width: min(70.4%, 464px);
    max-height: none;
  }

  .card-stack__hold,
  .card-stack__exit {
    display: none;
  }
}

@media (max-width: 600px) {
  .card-stack__number {
    padding: 20px 20px 0;
  }

  .card-stack__content {
    padding: 20px;
  }

  .card-stack__prompt-icon {
    width: 34px;
  }
}

@media (max-width: 600px) {
  .section-heading .card-stack__details {
    transform: scale(0.8);
    transform-origin: center top;
  }

  .card-stack {
    padding-bottom: clamp(36px, 8vw, 48px);
  }

  .card-stack > .card-stack__heading {
    margin-bottom: 20px;
  }

  .card-stack__track {
    display: flex;
    align-items: stretch;
    gap: 14px;
    width: calc(100% + var(--page-padding) + var(--page-padding));
    margin-inline: calc(0px - var(--page-padding));
    padding: 0 var(--page-padding) 4px;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scroll-padding-inline: var(--page-padding);
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .card-stack__track::-webkit-scrollbar {
    display: none;
  }

  .card-stack__card,
  .card-stack__card--second,
  .card-stack__card--third {
    flex: 0 0 min(80vw, 360px);
    margin-bottom: 0;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .card-stack__surface {
    height: 100%;
  }

  .card-stack__number {
    padding: 16px 16px 0;
    font-size: 11px;
  }

  .card-stack__content {
    gap: 16px;
    padding: 14px 16px 18px;
  }

  .card-stack__fields {
    gap: 12px;
  }

  .card-stack__field dt {
    margin-bottom: 2px;
    font-size: 10px;
  }

  .card-stack__field:not(.card-stack__field--name) dd {
    font-size: 12px;
    letter-spacing: 0.02em;
    line-height: 1.55;
  }

  .card-stack__field h3 {
    font-size: 22px;
  }

  .card-stack__visual {
    width: min(74%, 250px);
  }

  .card-stack__visual--calendar {
    width: min(66%, 230px);
  }

  .card-stack__prompt-icon {
    width: 26px;
  }
}

.creative-design {
  width: min(100%, 1920px);
  margin-inline: auto;
  padding: 0 clamp(32px, 6.5vw, 120px) clamp(64px, 7vw, 102px);
}

.creative-design__heading .card-stack__eyebrow {
  font-size: clamp(26px, 6.7vw, 96px);
}

.creative-design__grid {
  --creative-line: rgb(255 255 255 / 45%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(80vw, 1600px, 100%);
  margin-inline: auto;
  height: clamp(360px, 34vw, 520px);
  border-top: 1px solid var(--creative-line);
  border-bottom: 1px solid var(--creative-line);
}

.creative-design__column {
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 2vw, 28px);
}

.creative-design__column img {
  display: block;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Every artwork uses the same scale relative to its source dimensions. */
.creative-design__column:first-child > img {
  width: min(86.5546%, 321.36px);
}

.creative-design__column:nth-child(2) > img {
  width: min(100%, 371.28px);
}

.creative-design__column--split img {
  width: min(77.3109%, 287.04px);
}

.creative-design__column + .creative-design__column {
  border-left: 1px solid var(--creative-line);
}

.creative-design__column--split {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  padding: 0;
}

.creative-design__column--split > div {
  min-width: 0;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(12px, 2vw, 28px);
}

.creative-design__column--split > :last-child {
  border-top: 1px solid var(--creative-line);
}

.portfolio-contact {
  width: 100%;
  padding-top: clamp(64px, 6vh, 76px);
  padding-bottom: 24px;
  background: var(--color-bg);
}

.contact-inner {
  width: min(86vw, 1500px);
  margin-inline: auto;
  text-align: center;
}

.contact-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 19px;
  margin-bottom: 30px;
  color: rgb(255 255 255 / 75%);
  font-size: 18px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.16em;
}

.contact-mark {
  color: rgb(122 193 255 / 72%);
}

.contact-title {
  max-width: 1200px;
  margin: 0 auto;
  color: rgb(255 255 255 / 95%);
  font-size: clamp(58px, 4.4vw, 84px);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.045em;
}

.contact-title-line {
  display: block;
}

.contact-title-char {
  display: inline-block;
  width: var(--glyph-width, auto);
  text-align: center;
  white-space: pre;
}

.contact-capabilities {
  margin: 34px 0 0;
  color: rgb(255 255 255 / 42%);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.1em;
  transition: opacity 550ms ease-out, transform 550ms ease-out;
}

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(90px, 10vw, 180px);
  margin-top: 55px;
  transition: opacity 550ms ease-out, transform 550ms ease-out;
}

.contact-capabilities.contact-reveal-pending,
.contact-methods.contact-reveal-pending {
  opacity: 0;
  transform: translateY(10px);
}

.contact-capabilities.is-revealed,
.contact-methods.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.contact-method-label {
  display: block;
  color: rgb(255 255 255 / 30%);
  font-size: 10px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.2em;
  user-select: none;
}

.contact-method-value {
  display: block;
  margin-top: 10px;
  color: rgb(255 255 255 / 65%);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.025em;
  user-select: text;
  cursor: text;
}

.portfolio-footer {
  width: min(86vw, 1500px);
  height: 1px;
  margin: 56px auto 0;
  border-top: 1px solid rgb(255 255 255 / 8%);
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 100;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 50%);
  border-radius: 50%;
  visibility: hidden;
  background: rgb(255 255 255 / 5%);
  color: rgb(255 255 255 / 58%);
  cursor: pointer;
  touch-action: manipulation;
  opacity: 0;
  transform: translateY(7px);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 280ms ease, visibility 280ms ease, transform 280ms ease,
    color 220ms ease, border-color 220ms ease, background 220ms ease;
}

.back-to-top.is-visible {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: rgb(255 255 255 / 72%);
  background: rgb(255 255 255 / 10%);
  color: rgb(255 255 255 / 96%);
}

.back-to-top span {
  display: block;
  font-size: 18px;
  font-weight: 300;
  line-height: 1;
  transition: transform 250ms cubic-bezier(0.2, 0.78, 0.18, 1);
}

.back-to-top:hover span {
  transform: translateY(-3px);
}

.back-to-top:focus-visible {
  outline: 2px solid #a2ffef;
  outline-offset: 3px;
}

@media (max-width: 600px) {
  .contact-inner,
  .portfolio-footer {
    width: calc(100% - 44px);
  }

  .contact-label {
    margin-bottom: 26px;
    font-size: 15px;
  }

  .contact-title {
    font-size: clamp(24px, 6.5vw, 40px);
  }

  .contact-capabilities {
    margin-top: 28px;
    font-size: 12px;
  }

  .contact-methods {
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-top: 45px;
  }

  .contact-method-value {
    font-size: 20px;
    overflow-wrap: anywhere;
  }

  .portfolio-footer {
    margin-top: 58px;
  }

  .back-to-top {
    right: 14px;
    bottom: 18px;
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-capabilities,
  .contact-methods {
    transition: none;
  }

  .back-to-top,
  .back-to-top span {
    transition: none;
  }

  .back-to-top:hover span {
    transform: none;
  }
}

@media (max-width: 900px) {
  .creative-design {
    padding: 0 6.5vw 7vw;
  }

  .creative-design .section-heading {
    width: min(100%, 44.4444vw);
    margin-bottom: 4vw;
    transform-origin: center center;
  }

  .creative-design .section-heading h2 {
    font-size: 3.8889vw;
  }

  .creative-design .section-heading h2::after {
    right: -3.6111vw;
    width: 0.8333vw;
    height: 0.8333vw;
  }

  .creative-design .section-heading__accent {
    right: -0.9722vw;
    bottom: -0.8333vw;
    width: 12.0833vw;
    height: 2.2222vw;
  }

  .creative-design .section-heading .card-stack__details {
    gap: 1.3889vw;
    width: min(100%, 38.8889vw);
    margin-top: 1.5278vw;
    transform: translateX(2.9167vw);
  }

  .creative-design .section-heading .card-stack__details img:first-child {
    width: 13.9583vw;
    margin-top: 2.0833vw;
  }

  .creative-design .section-heading .card-stack__details img:last-child {
    width: 12.2917vw;
  }

  .creative-design__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: min(80vw, 100%);
    height: 34vw;
    transform-origin: center center;
  }

  .creative-design__column {
    height: auto;
    padding: 2vw;
  }

  .creative-design__column + .creative-design__column {
    border-top: 0;
    border-left: 1px solid var(--creative-line);
  }

  .creative-design__column--split {
    grid-template-rows: repeat(2, minmax(0, 1fr));
    height: auto;
  }

  .creative-design__column--split > div {
    padding: 2vw;
  }
}

@media (max-width: 767px) {
  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading {
    width: min(100%, 640px, calc(100vw - max(64px, 13vw)));
  }

  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading h2 {
    font-size: clamp(38px, 7.5vw, 56px);
  }

  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading h2::after {
    right: -22px;
    width: 9px;
    height: 9px;
  }

  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading__accent {
    right: -4px;
    bottom: -10px;
    width: min(174px, 50vw);
    height: auto;
  }

  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading .card-stack__details {
    align-items: flex-start;
    gap: 20px;
    width: min(100%, 560px);
    margin-top: 22px;
    transform: none;
    transform-origin: center top;
  }

  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading .card-stack__details img {
    flex: none;
    width: auto;
    max-width: none;
    height: clamp(9.6px, 3vw, 20px);
  }

  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading .card-stack__details img:first-child {
    width: auto;
    margin-top: 24px;
    transform: none;
  }

  :is(.activity-design-intro, .card-stack, .ip-design, .creative-design) .section-heading .card-stack__details img:last-child {
    width: auto;
    margin-top: 0;
  }
}

/* Fullscreen work viewers use one natural vertical scroll on phones and small tablets. */
@media (max-width: 900px) {
  .event-viewer__body {
    width: calc(100% - 32px);
    padding: 80px 0 64px;
  }

  .event-viewer__cases {
    gap: 64px;
    margin-top: 56px;
  }

  .event-viewer__media {
    overflow-x: hidden;
  }

  .event-viewer__image {
    width: 100%;
    max-width: 100%;
  }

  .app-viewer__stage {
    overflow-x: hidden;
    overflow-y: auto;
    scroll-snap-type: none;
    touch-action: pan-y;
    cursor: auto;
    -webkit-overflow-scrolling: touch;
  }

  .app-viewer__track {
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: auto;
    gap: 24px;
    padding: 80px 16px 32px;
  }

  .app-viewer__slide,
  .app-viewer__slide--cover {
    width: min(100%, 600px);
    height: auto;
    overflow: visible;
    scroll-snap-align: none;
    touch-action: pan-y;
  }

  .app-viewer__slide--cover .app-viewer__image-frame {
    width: 100%;
    height: auto;
  }

  .app-viewer__slide--cover img {
    width: 100%;
    max-width: 100%;
    height: auto;
  }

  .data-viewer {
    padding-inline: 16px;
  }

  .data-viewer__image {
    width: min(100%, 700px);
    margin: 80px auto 32px;
  }

  .research-viewer__stage {
    overflow-x: hidden;
    overflow-y: auto;
    touch-action: pan-y;
    -webkit-overflow-scrolling: touch;
  }

  .research-viewer__track,
  .research-viewer__track.is-second {
    flex-direction: column;
    align-items: center;
    width: 100%;
    height: auto;
    gap: 24px;
    padding: 80px 16px 32px;
    transform: none;
    transition: none;
  }

  .research-viewer__slide {
    width: min(100%, 700px);
    height: auto;
  }

  .research-viewer__slide img {
    width: 100%;
    max-height: none;
  }

  .research-viewer__controls {
    display: none;
  }

  .quiz-viewer {
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .quiz-viewer__content,
  .quiz-viewer.is-ai .quiz-viewer__content,
  .quiz-viewer.is-color .quiz-viewer__content {
    height: auto;
    padding: 72px 0 40px;
    transform: none;
    transition: none;
  }

  .quiz-viewer__activity,
  .quiz-viewer__activity--color {
    display: block;
    height: auto;
    padding: 16px 0 32px;
    overflow: visible;
  }

  .quiz-viewer__activity + .quiz-viewer__activity {
    border-top: 1px solid rgb(255 255 255 / 18%);
  }

  .quiz-viewer__flow,
  .quiz-viewer__flow--color {
    height: auto;
    padding: 0;
    overflow: visible;
  }

  .quiz-viewer__canvas,
  .quiz-viewer__canvas--color {
    width: calc(100% - 32px);
    min-width: 0;
    margin-inline: auto;
  }

  .quiz-viewer__ai-popup video,
  .quiz-viewer__ai-video video,
  .quiz-viewer__color-video video,
  .quiz-viewer__video-play {
    display: none;
  }

  .quiz-viewer__mobile-poster {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .quiz-viewer__ai-video .quiz-viewer__mobile-poster {
    height: auto;
  }

  .quiz-viewer__result-arrow {
    width: clamp(14px, 2.4vw, 24px);
    height: clamp(14px, 2.4vw, 24px);
    font-size: clamp(10px, 1.8vw, 16px);
  }

  .quiz-viewer__result-arrow::before,
  .quiz-viewer__result-arrow--next:not(:disabled)::before {
    position: absolute;
    inset: -10px;
    border: 0;
    content: "";
    opacity: 0;
    pointer-events: auto;
    animation: none;
  }

  .quiz-viewer__result-arrow--previous {
    right: calc(100% + 3px);
  }

  .quiz-viewer__result-arrow--next {
    left: calc(100% + 3px);
  }

  .quiz-viewer__result-count {
    bottom: calc(100% + 3px);
    font-size: clamp(7px, 1vw, 10px);
  }

  .quiz-viewer__canvas--color {
    display: block;
  }

  .quiz-viewer__color-video .quiz-viewer__mobile-poster {
    transform: scaleX(1.12);
  }

  .ip-design__item video {
    display: none;
  }
}