:root {
  --ink: #11110f;
  --paper: #ecebe6;
  --paper-soft: #e3dfd5;
  --white: #f8f7f2;
  --muted: #706f69;
  --line: rgba(17, 17, 15, 0.2);
  --accent: #ae5b45;
  --page-padding: clamp(18px, 2.4vw, 38px);
  --display: "Barlow", "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-width: 320px;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}

body.theme-summer { --accent: #9f644a; }
body.theme-ip { --accent: #6d6686; }
body.theme-collaboration { --accent: #9b742d; }
body.theme-technology { --accent: #c8443a; }

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

::selection {
  color: var(--white);
  background: var(--accent);
}

.page-noise {
  position: fixed;
  z-index: 100;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

.lang-zh .lang-en,
.lang-en .lang-zh {
  display: none !important;
}

.lang-en .lang-en {
  display: initial !important;
}

/* Art education: compact overview page */
.art-education-page main,
.ip-overview-page main,
.technology-overview-page main {
  padding-top: var(--site-header-height, 55px);
}

.art-course-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(318px, 42vw, 550px);
  overflow: hidden;
  color: var(--white);
  background: #262522;
}

.art-course-hero-image,
.art-course-hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.art-course-hero-image {
  z-index: -2;
  object-fit: cover;
  object-position: center 54%;
}

.art-course-hero-overlay {
  z-index: -1;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.12) 66%), linear-gradient(0deg, rgba(0, 0, 0, 0.46), transparent 54%);
}

.art-course-hero-content {
  position: relative;
  min-height: inherit;
  padding: clamp(20px, 2.4vw, 34px) var(--page-padding) 24px;
}

.art-course-title {
  position: absolute;
  bottom: clamp(30px, 3vw, 50px);
  left: 50%;
  width: max-content;
  max-width: calc(100% - var(--page-padding) * 2);
  font-size: clamp(68px, 12.6vw, 172px);
  font-weight: 700;
  line-height: 0.84;
  letter-spacing: 0.1em;
  text-align: center;
  white-space: nowrap;
  transform: translateX(-50%);
}

.art-course-hero-footer {
  position: absolute;
  right: var(--page-padding);
  bottom: clamp(122px, 15vw, 210px);
  left: var(--page-padding);
  display: grid;
  grid-template-columns: 1fr minmax(240px, 0.42fr);
  align-items: end;
  gap: 32px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.art-course-hero-footer p {
  max-width: 390px;
  justify-self: end;
  font-size: clamp(13px, 1.15vw, 16px);
  font-weight: 400;
  line-height: 1.45;
  text-transform: none;
}

.art-course-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 3vw, 42px);
  padding: clamp(34px, 5vw, 72px) var(--page-padding) clamp(12px, 2vw, 28px);
}

.art-course-card {
  position: relative;
  min-height: clamp(220px, 30vw, 400px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: clamp(18px, 2.2vw, 32px);
  border-radius: clamp(16px, 2vw, 28px);
  color: var(--white);
  background-color: #6e88bd;
  background-image: linear-gradient(rgba(35, 45, 68, 0.38), rgba(35, 45, 68, 0.58)), url("../../assets/images/art-education/course/workshop-course-11.jpg");
  background-position: center;
  background-size: cover;
  transition: transform 300ms ease, background-color 300ms ease;
}

.art-course-card--workshop {
  background-color: #7089bc;
  background-image: linear-gradient(rgba(35, 45, 68, 0.38), rgba(35, 45, 68, 0.58)), url("../../assets/images/art-education/workshop/workshop-opening-02.jpg");
}

.art-course-card:hover,
.art-course-card:focus-visible {
  background-color: #5f79af;
  transform: translateY(-5px);
}

.art-course-card-index,
.art-course-card-label,
.art-course-card-action {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.art-course-card-label {
  margin-top: auto;
  color: rgba(255, 255, 255, 0.72);
}

.art-course-card strong {
  margin-top: 8px;
  font-size: clamp(32px, 5.2vw, 80px);
  font-weight: 700;
  line-height: 0.91;
  letter-spacing: -0.075em;
}

.art-course-card-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

.art-course-statements {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 3vw, 42px);
  padding: clamp(6px, 1vw, 14px) var(--page-padding) clamp(12px, 2vw, 28px);
}

.art-course-statement-card {
  min-height: clamp(240px, 25vw, 350px);
  display: flex;
  flex-direction: column;
}

.art-course-statement-copy {
  margin-top: clamp(30px, 4vw, 62px);
  font-size: clamp(18px, 2.1vw, 30px);
  line-height: 1.48;
  letter-spacing: -0.035em;
}

.art-education-page .art-course-statement-card--workshop .art-course-statement-copy .lang-zh {
  font-size: clamp(22px, 2.5vw, 34px);
}

.student-showcase-link {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: clamp(50px, 9vw, 64px);
  padding: 10px 16px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: var(--accent);
  cursor: pointer;
  font-family: inherit;
  font-size: clamp(14px, 1.15vw, 17px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  text-align: center;
  text-decoration: none;
  transition: transform 250ms ease, filter 250ms ease;
}

.student-showcase-link:hover,
.student-showcase-link:focus-visible {
  filter: brightness(0.86);
  transform: translateX(7px);
}

.case-project-nav {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 18px var(--page-padding);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-project-nav a {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  font-weight: 700;
}

/* Technology exploration: compact cover and overlapping editorial story */
.technology-overview-page {
  --accent: #4a8ee7;
}

.community-practice-page {
  --accent: #9b742d;
}

.technology-overview-page .technology-hero {
  min-height: clamp(318px, 42vw, 550px);
  color: var(--ink);
  background: #fff;
}

.technology-overview-page .technology-hero .art-course-hero-image {
  object-fit: contain;
  object-position: center;
}

.community-practice-page .technology-hero .art-course-hero-image {
  object-fit: cover;
  object-position: center;
}

.technology-overview-page .technology-hero .art-course-hero-overlay {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 42%, rgba(255, 255, 255, 0.88) 100%);
}

.technology-overview-page .technology-hero .case-eyebrow {
  color: var(--ink);
  text-shadow: 0 1px 12px rgba(255, 255, 255, 0.95);
}

.technology-overview-page .technology-hero .art-course-title {
  color: var(--ink);
  text-shadow: 0 2px 18px rgba(255, 255, 255, 0.96);
}

.technology-story {
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: auto auto;
  align-content: start;
  padding: clamp(34px, 3.2vw, 48px) calc(var(--page-padding) + clamp(8px, 1vw, 14px));
  border-top: 1px solid var(--line);
}

.technology-story-lead {
  z-index: 1;
  grid-column: 1 / span 8;
  grid-row: 1;
  align-self: start;
  max-width: 680px;
  padding-top: 16px;
  padding-left: 16px;
  font-size: clamp(25px, 2.35vw, 34px);
  font-weight: 400;
  line-height: 1.58;
  letter-spacing: -0.015em;
  text-align: left;
}

.community-practice-page .technology-story-lead-card {
  z-index: 1;
  grid-column: 1 / span 8;
  grid-row: 1;
  align-self: start;
  max-width: 680px;
}

.community-practice-page .technology-story-lead-card .technology-story-lead {
  grid-column: auto;
  grid-row: auto;
}

.community-practice-page .technology-story-lead-card .technology-contact-link {
  margin-top: clamp(24px, 2.6vw, 38px);
  margin-left: 16px;
}

.technology-story-lead em {
  font-style: normal;
  color: var(--accent);
}

.technology-story-detail {
  z-index: 2;
  grid-column: 6 / -1;
  grid-row: 2;
  align-self: start;
  justify-self: end;
  width: min(100%, 760px);
  margin-top: clamp(56px, 5vw, 76px);
  padding: clamp(18px, 2vw, 28px);
  background: rgba(236, 235, 230, 0.88);
  backdrop-filter: blur(10px);
  font-size: 20px;
  line-height: 1.58;
  letter-spacing: -0.015em;
  text-align: left;
}

.technology-story-detail p + p {
  margin-top: 1em;
}

.technology-story-detail p:last-child {
  color: var(--muted);
}

.technology-contact {
  min-height: 0;
  display: flex;
  align-items: center;
  padding: 0 var(--page-padding) clamp(13px, 1.75vw, 25px);
}

.technology-contact-link {
  margin-top: 0;
  background: var(--accent);
}

.technology-contact-link:hover,
.technology-contact-link:focus-visible {
  background: #2f72c8;
}

#student-showcase {
  scroll-margin-top: 78px;
}

/* Hero */
.case-hero {
  position: relative;
  min-height: 118svh;
  padding-top: var(--site-header-height, 55px);
}

.case-hero-sticky {
  position: sticky;
  top: var(--site-header-height, 55px);
  height: calc(100svh - var(--site-header-height, 55px));
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: #262522;
}

.case-hero-sticky::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.52));
}

.case-hero-image {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: hero-settle 1.4s cubic-bezier(0.2, 0.75, 0.2, 1) both;
}

.theme-technology .case-hero-sticky {
  background: #b83e35;
}

.theme-technology .case-hero-sticky::after {
  background: linear-gradient(180deg, rgba(74, 16, 13, 0.06), rgba(74, 16, 13, 0.34));
}

.tech-hero-visual {
  position: absolute;
  z-index: -2;
  inset: 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 235, 220, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 235, 220, 0.1) 1px, transparent 1px),
    #c8443a;
  background-size: 5vw 5vw;
}

.tech-orbit {
  position: absolute;
  top: 50%;
  left: 58%;
  border: 2px solid rgba(255, 238, 224, 0.72);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-18deg);
}

.tech-orbit--one {
  width: min(68vw, 980px);
  aspect-ratio: 1.8;
}

.tech-orbit--two {
  width: min(50vw, 720px);
  aspect-ratio: 0.78;
  transform: translate(-50%, -50%) rotate(42deg);
}

.tech-core {
  position: absolute;
  top: 50%;
  left: 58%;
  width: clamp(110px, 15vw, 230px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #c8443a;
  background: #ead9cd;
  font-size: clamp(75px, 11vw, 175px);
  font-weight: 700;
  line-height: 1;
  transform: translate(-50%, -50%);
}

.tech-grid-label {
  position: absolute;
  right: var(--page-padding);
  top: 32px;
  color: rgba(255, 238, 224, 0.72);
  font-size: 10px;
  letter-spacing: 0.12em;
}

@keyframes hero-settle {
  from { opacity: 0; transform: scale(1.12); }
}

.case-hero-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px var(--page-padding) 28px;
}

.case-eyebrow,
.section-label {
  display: flex;
  align-items: center;
  gap: clamp(24px, 7vw, 110px);
  font-size: clamp(14px, 1.05vw, 16.5px);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-hero-title {
  max-width: 92vw;
  font-size: clamp(68px, 13.5vw, 220px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.085em;
}

.case-hero-footer {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 0.35fr);
  align-items: end;
  gap: 40px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.case-hero-footer p {
  max-width: 460px;
  justify-self: end;
  font-size: clamp(14px, 1.3vw, 19px);
  font-weight: 400;
  line-height: 1.45;
  text-transform: none;
}

/* Intro */
.case-intro {
  display: grid;
  grid-template-columns: 0.62fr 1.38fr;
  gap: clamp(50px, 9vw, 150px);
  padding: clamp(100px, 13vw, 200px) var(--page-padding);
}

.case-intro-side {
  position: sticky;
  top: 110px;
  align-self: start;
}

.case-index {
  display: block;
  margin-bottom: 40px;
  color: var(--muted);
  font-size: 11px;
}

.case-facts {
  display: grid;
  gap: 24px;
  margin-top: 65px;
}

.case-facts div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.case-facts span {
  color: var(--muted);
  font-size: 10px;
  text-transform: uppercase;
}

.case-facts strong {
  font-size: 13px;
  font-weight: 700;
}

.case-intro-main h2,
.gallery-section h2,
.next-case h2 {
  font-size: clamp(52px, 8.3vw, 136px);
  font-weight: 700;
  line-height: 0.87;
  letter-spacing: -0.075em;
}

.case-intro-copy {
  max-width: 850px;
  margin: clamp(55px, 8vw, 115px) 0 0 auto;
}

.case-intro-copy p {
  margin-bottom: 26px;
  font-size: clamp(18px, 1.7vw, 28px);
  line-height: 1.55;
  letter-spacing: -0.025em;
}

/* Feature strip */
.feature-strip {
  color: var(--white);
  background: var(--accent);
}

.feature-strip article {
  display: grid;
  grid-template-columns: 0.22fr 0.78fr 1fr;
  align-items: center;
  gap: 28px;
  min-height: 150px;
  padding: 25px var(--page-padding);
  border-bottom: 1px solid rgba(255, 255, 255, 0.36);
}

.feature-strip article > span {
  font-size: 11px;
}

.feature-strip h3 {
  font-size: clamp(25px, 3vw, 48px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.feature-strip p {
  max-width: 610px;
  font-size: 14px;
  line-height: 1.55;
}

/* Gallery */
.ip-character-section {
  border-top: 1px solid var(--line);
  padding: clamp(44px, 6vw, 88px) var(--page-padding) clamp(30px, 4vw, 60px);
}

.ip-character-heading {
  margin-bottom: clamp(26px, 4vw, 56px);
}

.ip-character-heading h2 {
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: none;
}

.ip-character-carousel {
  outline: none;
}

.ip-character-carousel:focus-visible .ip-character-controls span {
  color: var(--accent);
}

.ip-character-stage {
  position: relative;
  height: clamp(470px, 49vw, 720px);
  overflow: hidden;
  touch-action: pan-y;
}

.ip-character-slide {
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(220px, 27vw, 410px);
  aspect-ratio: 0.72;
  overflow: hidden;
  margin: 0;
  border-radius: clamp(16px, 2vw, 30px);
  background: #f7f6f1;
  box-shadow: 0 24px 46px rgba(17, 17, 15, 0.16);
  cursor: grab;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.6);
  transition: left 520ms cubic-bezier(0.2, 0.75, 0.2, 1), opacity 420ms ease, transform 520ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.ip-character-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ip-character-slide[data-position="0"] img {
  cursor: zoom-in;
}

.ip-character-slide:not([data-position="0"]) img {
  pointer-events: none;
}

.ip-character-slide[data-position="0"] img:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -5px;
}

.ip-character-slide--placeholder {
  background: #b8b8b4;
  cursor: grab;
}

.ip-product-section {
  scroll-margin-top: 78px;
}

.ip-product-section .ip-character-slide {
  width: clamp(360px, 43vw, 650px);
  aspect-ratio: 2763 / 1280;
  background: #f7f6f1;
}

.ip-product-section .ip-character-slide img {
  object-fit: contain;
}

.ip-overview-page #student-showcase .ip-character-slide {
  width: clamp(360px, 43vw, 650px);
  aspect-ratio: 1.85 / 1;
  background: rgb(253, 253, 253);
}

.ip-overview-page #student-showcase .ip-character-slide img {
  object-fit: contain;
}

.ip-character-slide[data-position="0"] {
  z-index: 5;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.ip-character-slide[data-position="-1"],
.ip-character-slide[data-position="1"] {
  z-index: 4;
  opacity: 1;
  transform: translate(-50%, -50%) scale(0.84);
}

.ip-character-slide[data-position="-1"] {
  left: 34%;
}

.ip-character-slide[data-position="1"] {
  left: 66%;
}

.ip-character-slide[data-position="-2"],
.ip-character-slide[data-position="2"] {
  z-index: 3;
  opacity: 0.92;
  transform: translate(-50%, -50%) scale(0.69);
}

.ip-character-slide[data-position="-2"] {
  left: 18%;
}

.ip-character-slide[data-position="2"] {
  left: 82%;
}

.ip-character-stage.is-dragging .ip-character-slide {
  cursor: grabbing;
}

.ip-character-stage.is-dragging .ip-character-slide img {
  cursor: grabbing;
}

.ip-character-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-top: clamp(22px, 3vw, 42px);
}

.ip-character-controls button {
  width: clamp(48px, 4.5vw, 66px);
  aspect-ratio: 1;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  font-size: clamp(20px, 2vw, 30px);
  transition: color 220ms ease, background-color 220ms ease, transform 220ms ease;
}

.ip-character-controls button:hover,
.ip-character-controls button:focus-visible {
  color: var(--white);
  background: var(--ink);
  transform: scale(1.06);
}

.ip-character-controls span {
  min-width: 62px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.ip-character-follow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: clamp(18px, 4vw, 70px);
  margin-top: clamp(48px, 7vw, 96px);
  padding-top: clamp(24px, 3vw, 42px);
  border-top: 1px solid var(--line);
}

.ip-gallery-link {
  margin-top: 0;
}

.ip-xiaohongshu {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(14px, 2.4vw, 36px);
}

.ip-xiaohongshu p {
  font-size: clamp(18px, 2.25vw, 34px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.035em;
  text-align: right;
}

.ip-xiaohongshu img {
  width: clamp(92px, 10vw, 146px);
  aspect-ratio: 1;
  padding: 7px;
  object-fit: contain;
  background: var(--white);
}

.ip-qr-trigger {
  flex: 0 0 auto;
  display: block;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.ip-qr-trigger:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.ip-qr-trigger img {
  pointer-events: none;
}

.ip-product-coming-soon p {
  text-align: right;
}

.ip-character-manifesto {
  display: grid;
  min-height: clamp(125px, 12.5vw, 160px);
  place-items: center;
  padding: var(--page-padding);
  border-top: 1px solid var(--line);
}

.ip-character-manifesto .art-course-statement-copy {
  margin-block: 0;
}

.ip-character-manifesto p {
  max-width: 960px;
  text-align: center;
}

/* IP overview: slightly denser scale than the art-course template */
.ip-overview-page .art-course-hero {
  min-height: clamp(290px, 38vw, 500px);
}

.ip-overview-page .art-course-title {
  bottom: clamp(26px, 2.6vw, 42px);
  font-size: clamp(60px, 10.9vw, 150px);
}

.ip-overview-page .art-course-statement-card {
  min-height: clamp(125px, 12.5vw, 160px);
  align-items: flex-start;
  justify-content: center;
}

.ip-overview-page .art-course-statement-card:first-child {
  padding-left: clamp(16px, 1.7vw, 24px);
}

.ip-overview-page .art-course-statement-copy {
  max-width: 960px;
  margin-block: 0;
  font-size: clamp(16px, 1.8vw, 26px);
  font-weight: 400;
  text-align: left;
}

.ip-overview-page .art-course-statement-copy--lead {
  font-size: clamp(20px, 2.15vw, 32px);
  line-height: 1.4;
}

.ip-statement-line {
  display: block;
  white-space: nowrap;
}

.ip-overview-page .ip-character-section {
  padding-top: clamp(38px, 5vw, 72px);
  padding-bottom: clamp(26px, 3.4vw, 50px);
}

.ip-overview-page .ip-character-heading {
  margin-bottom: clamp(22px, 3.2vw, 44px);
  font-size: clamp(18px, 1.55vw, 24px);
  padding-top: clamp(12px, 1.5vw, 24px);
}

.ip-overview-page .ip-character-stage {
  height: clamp(430px, 44vw, 640px);
}

.ip-overview-page .ip-character-slide {
  width: clamp(205px, 24.5vw, 370px);
}

.ip-overview-page .ip-character-slide[data-position="-1"] {
  left: 35.5%;
}

.ip-overview-page .ip-character-slide[data-position="1"] {
  left: 64.5%;
}

.ip-overview-page .ip-character-slide[data-position="-2"] {
  left: 21%;
}

.ip-overview-page .ip-character-slide[data-position="2"] {
  left: 79%;
}

.ip-overview-page .ip-character-controls {
  margin-top: clamp(18px, 2.4vw, 32px);
}

.ip-overview-page .ip-character-controls button {
  width: clamp(44px, 4vw, 58px);
  font-size: clamp(18px, 1.7vw, 25px);
}

.ip-overview-page .ip-character-follow {
  margin-top: clamp(40px, 5.6vw, 78px);
  padding-top: clamp(20px, 2.5vw, 34px);
}

.ip-overview-page .ip-xiaohongshu p {
  font-size: clamp(16px, 1.9vw, 28px);
}

.ip-overview-page .ip-xiaohongshu img {
  width: clamp(84px, 8.7vw, 126px);
}

.ip-overview-page .gallery-section {
  padding-top: clamp(38px, 5vw, 72px);
  padding-bottom: clamp(38px, 5vw, 72px);
}

.ip-overview-page .gallery-heading {
  margin-bottom: clamp(58px, 8vw, 118px);
}

.ip-overview-page .gallery-section h2,
.ip-overview-page .next-case h2 {
  font-size: clamp(44px, 7vw, 108px);
}

.ip-overview-page .media-card img {
  height: min(54vw, 620px);
}

.ip-overview-page .next-case {
  min-height: 60svh;
  padding-top: clamp(72px, 9vw, 132px);
}

@media (min-width: 601px) {
  .ip-overview-page .ip-character-section {
    height: calc(100svh - 78px);
    min-height: 650px;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    row-gap: clamp(10px, 1.2vw, 18px);
    padding-top: clamp(18px, 2vw, 28px);
    padding-bottom: clamp(18px, 2vw, 28px);
  }

  .ip-overview-page .ip-character-heading {
    margin-bottom: 0;
  }

  .ip-overview-page .ip-character-carousel {
    min-height: 0;
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .ip-overview-page .ip-character-stage {
    min-height: 0;
    height: auto;
  }

  .ip-overview-page .ip-character-slide {
    width: clamp(190px, min(22vw, 36svh), 320px);
  }

  .ip-overview-page #student-showcase .ip-character-slide,
  .ip-overview-page .ip-product-section .ip-character-slide {
    width: clamp(350px, min(43vw, 70svh), 620px);
  }

  .ip-overview-page .ip-character-controls {
    margin-top: 8px;
  }

  .ip-overview-page .ip-character-controls button {
    width: clamp(42px, 3.5vw, 50px);
    font-size: clamp(17px, 1.5vw, 22px);
  }

  .ip-overview-page .ip-character-follow {
    min-height: 76px;
    margin-top: 0;
    padding-top: 12px;
  }

  .ip-overview-page .ip-xiaohongshu {
    gap: clamp(10px, 1.6vw, 24px);
  }

  .ip-overview-page .ip-xiaohongshu p {
    font-size: clamp(15px, 1.55vw, 22px);
  }

  .ip-overview-page .ip-xiaohongshu img {
    width: clamp(68px, 6vw, 86px);
    padding: 5px;
  }
}

.gallery-section {
  border-top: 1px solid var(--line);
  padding: clamp(44px, 6vw, 88px) var(--page-padding);
}

.gallery-section--dark {
  color: var(--white);
  background: var(--ink);
}

.gallery-heading {
  display: grid;
  grid-template-columns: 0.5fr 1.5fr;
  gap: 40px;
  align-items: end;
  margin-bottom: clamp(70px, 10vw, 150px);
}

.gallery-heading h2 {
  max-width: 1100px;
}

.gallery-description {
  max-width: 620px;
  margin-top: 30px;
  color: var(--muted);
  font-size: clamp(15px, 1.3vw, 20px);
  line-height: 1.6;
}

.gallery-section--dark .gallery-description {
  color: #aaa9a3;
}

.editorial-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(14px, 2vw, 30px);
}

.media-card {
  grid-column: span 6;
  cursor: zoom-in;
}

.media-card:nth-child(3n + 1) {
  grid-column: span 7;
}

.media-card:nth-child(3n + 2) {
  grid-column: span 5;
  padding-top: 9vw;
}

.media-card:nth-child(3n) {
  grid-column: 3 / span 8;
  margin-top: 5vw;
}

.media-frame {
  overflow: hidden;
  background: var(--paper-soft);
}

.media-card img {
  width: 100%;
  height: min(62vw, 720px);
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.media-card--contain img {
  object-fit: contain;
  background: #d9d5cb;
}

.media-card:hover img {
  transform: scale(1.025);
}

.media-caption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 11px;
  font-size: 10px;
  text-transform: uppercase;
}

.media-caption span:last-child {
  color: var(--muted);
}

/* Horizontal photo rail */
.photo-rail {
  display: flex;
  gap: 14px;
  margin-right: calc(var(--page-padding) * -1);
  padding: 0 var(--page-padding) 22px 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
}

.photo-rail figure {
  flex: 0 0 min(68vw, 820px);
  scroll-snap-align: start;
}

.photo-rail figure:nth-child(even) {
  flex-basis: min(45vw, 560px);
}

.photo-rail img {
  width: 100%;
  height: min(55vw, 650px);
  object-fit: cover;
}

.rail-hint {
  margin-top: 16px;
  font-size: 11px;
  text-align: right;
  text-transform: uppercase;
}

/* NEXT letters */
.next-principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.next-principles div {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.next-principles div:last-child {
  border-right: 0;
}

.next-principles strong {
  font-size: clamp(60px, 8vw, 120px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.07em;
}

.next-principles span {
  font-size: 12px;
  text-transform: uppercase;
}

/* Footer navigation */
.next-case {
  min-height: 72svh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(90px, 11vw, 170px) var(--page-padding) 32px;
  color: var(--white);
  background: var(--accent);
}

.next-case a {
  display: block;
}

.next-case h2 {
  max-width: 1200px;
  transition: transform 350ms ease;
}

.next-case a:hover h2 {
  transform: translateX(12px);
}

.next-case-footer,
.case-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  font-size: 11px;
  text-transform: uppercase;
}

.case-footer {
  padding: 24px var(--page-padding);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.case-footer a:last-child {
  font-size: 16px;
  font-weight: 700;
}

/* Store modal: shared with the homepage. */
.store-modal {
  position: fixed;
  inset: 50% auto auto 50%;
  width: min(520px, calc(100vw - 36px));
  max-height: calc(100dvh - 36px);
  margin: 0;
  padding: 0 0 42px;
  overflow: hidden;
  border: 0;
  border-radius: 22px;
  color: var(--ink);
  background: var(--white);
  text-align: center;
  box-shadow: 0 28px 90px rgba(42, 25, 21, 0.25);
  transform: translate(-50%, -50%);
}

.store-modal::backdrop {
  background: rgba(17, 17, 15, 0.48);
  backdrop-filter: blur(5px);
}

.store-logo {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--white);
}

.store-logo img {
  width: 100%;
  height: 100%;
  padding: clamp(34px, 7vw, 64px);
  object-fit: contain;
}

.store-modal > p {
  margin-top: 34px;
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 700;
  letter-spacing: -0.05em;
}

.store-modal > span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.modal-close {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 50%;
  color: var(--white);
  background: rgba(17, 17, 15, 0.16);
  cursor: pointer;
  font-size: 22px;
}

.modal-close:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

/* Lightbox */
.qr-modal {
  position: fixed;
  inset: 50% auto auto 50%;
  width: min(520px, calc(100vw - 36px));
  max-height: calc(100dvh - 36px);
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 28px 90px rgba(42, 25, 21, 0.25);
  transform: translate(-50%, -50%);
}

.qr-modal::backdrop {
  background: rgba(17, 17, 15, 0.48);
  backdrop-filter: blur(5px);
}

.qr-modal-image {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--white);
}

.qr-modal-image img {
  width: 100%;
  height: 100%;
  padding: clamp(34px, 7vw, 64px);
  object-fit: contain;
}

.qr-modal-close {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 50%;
  color: var(--white);
  background: rgba(17, 17, 15, 0.24);
  cursor: pointer;
  font-size: 22px;
}

.qr-modal-close:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.lightbox {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  padding: 0;
  border: 0;
  color: var(--white);
  background: rgba(11, 11, 10, 0.96);
}

.lightbox::backdrop {
  background: rgba(11, 11, 10, 0.8);
}

.lightbox-inner {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 70px var(--page-padding) 28px;
}

.lightbox img {
  max-width: min(1200px, 92vw);
  max-height: 82vh;
  object-fit: contain;
}

.lightbox-close {
  position: fixed;
  z-index: 2;
  top: 18px;
  right: var(--page-padding);
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  color: var(--white);
  background: transparent;
  cursor: pointer;
  font-size: 22px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .case-hero-footer,
  .case-intro,
  .gallery-heading {
    grid-template-columns: 1fr;
  }

  .case-hero-footer p {
    justify-self: start;
  }

  .case-intro-side {
    position: static;
  }

  .case-facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .case-facts div {
    grid-template-columns: 1fr;
  }

  .feature-strip article {
    grid-template-columns: 55px 1fr;
  }

  .feature-strip p {
    grid-column: 2;
  }

  .next-principles {
    grid-template-columns: repeat(2, 1fr);
  }

  .next-principles div:nth-child(2) {
    border-right: 0;
  }

  .next-principles div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .ip-character-stage {
    height: clamp(430px, 78vw, 620px);
  }

  .ip-character-slide {
    width: clamp(210px, 43vw, 340px);
  }

  .technology-story {
    min-height: auto;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    padding-block: clamp(34px, 6vw, 52px);
  }

  .technology-story-lead {
    grid-column: 1 / span 7;
    font-size: clamp(22px, 3.2vw, 26px);
  }

  .community-practice-page .technology-story-lead-card {
    grid-column: 1 / span 7;
  }

  .technology-story-detail {
    grid-column: 3 / -1;
    grid-row: 2;
    margin-top: 56px;
    font-size: 18px;
  }
}

@media (max-width: 600px) {
  .ip-character-heading {
    gap: 20px;
  }

  .ip-character-stage {
    height: 450px;
    margin-inline: calc(var(--page-padding) * -1);
  }

  .ip-character-slide {
    width: min(54vw, 220px);
    border-radius: 16px;
  }

  .ip-character-slide[data-position="-1"] {
    left: 34.5%;
  }

  .ip-character-slide[data-position="1"] {
    left: 65.5%;
  }

  .ip-character-slide[data-position="-2"] {
    left: 19%;
  }

  .ip-character-slide[data-position="2"] {
    left: 81%;
  }

  .ip-character-follow {
    gap: 12px;
  }

  .ip-xiaohongshu {
    gap: 8px;
  }

  .ip-xiaohongshu p {
    font-size: 13px;
  }

  .ip-xiaohongshu img {
    width: 68px;
    padding: 4px;
  }
}

@media (max-width: 600px) {
  .case-hero {
    min-height: 105svh;
    padding-top: var(--site-header-height, 57px);
  }

  .case-hero-sticky {
    top: var(--site-header-height, 57px);
    height: calc(100svh - var(--site-header-height, 57px));
  }

  .case-hero-title {
    font-size: clamp(58px, 20vw, 102px);
  }

  .case-hero-footer {
    gap: 22px;
  }

  .case-intro {
    padding-top: 95px;
  }

  .case-facts {
    grid-template-columns: 1fr;
  }

  .feature-strip article {
    min-height: 140px;
    gap: 14px;
  }

  .feature-strip p {
    font-size: 13px;
  }

  .editorial-grid {
    display: block;
  }

  .media-card,
  .media-card:nth-child(n) {
    margin: 0 0 55px;
    padding: 0;
  }

  .media-card img {
    height: 116vw;
    max-height: 620px;
  }

  .photo-rail figure,
  .photo-rail figure:nth-child(even) {
    flex-basis: 84vw;
  }

  .photo-rail img {
    height: 112vw;
    max-height: 570px;
  }

  .next-principles div {
    min-height: 170px;
    padding: 16px;
  }

  .next-case {
    min-height: 65svh;
  }

  .art-course-hero {
    min-height: 318px;
  }

  .art-course-hero-content {
    padding-top: 18px;
  }

  .art-course-hero-footer {
    grid-template-columns: 1fr;
    gap: 10px;
    bottom: 122px;
  }

  .art-course-hero-footer p {
    justify-self: start;
  }

  .art-course-statement-copy {
    font-size: clamp(15px, 3.5vw, 22px);
  }

  .case-project-nav {
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .technology-overview-page .technology-hero {
    min-height: 318px;
  }

  .technology-overview-page .technology-hero .art-course-hero-image {
    width: 150%;
    max-width: none;
    left: -25%;
    object-fit: cover;
    object-position: center 42%;
  }

  .technology-overview-page .technology-hero .art-course-title {
    bottom: 28px;
    font-size: clamp(52px, 15.5vw, 68px);
    letter-spacing: 0.06em;
  }

  .technology-overview-page .technology-hero .case-eyebrow {
    gap: 18px;
    font-size: 10px;
  }

  .technology-story {
    display: block;
    padding-top: 36px;
    padding-bottom: 32px;
  }

  .technology-story-lead {
    max-width: 100%;
    font-size: clamp(20px, 5.4vw, 23px);
    line-height: 1.58;
    letter-spacing: -0.015em;
  }

  .technology-story-detail {
    width: 92%;
    margin: 42px 0 0 auto;
    padding: 14px 0 0 14px;
    background: linear-gradient(90deg, rgba(236, 235, 230, 0.9), var(--paper) 24%);
    backdrop-filter: none;
    font-size: 16px;
    line-height: 1.58;
    letter-spacing: -0.015em;
  }

  .technology-contact {
    min-height: 0;
    padding-block: 12px;
  }

}

@media (max-width: 430px) {
  .art-course-links,
  .art-course-statements {
    grid-template-columns: 1fr;
  }

  .art-course-card {
    min-height: 250px;
  }
}

@media (max-width: 600px) {
  .ip-overview-page .art-course-hero {
    min-height: 282px;
  }

  .ip-overview-page .art-course-title {
    bottom: 27px;
    font-size: clamp(54px, 16.5vw, 68px);
  }

  .ip-overview-page .art-course-statement-card {
    min-height: 104px;
    padding-block: 16px;
  }

  .ip-overview-page .art-course-statement-copy {
    margin-block: 0;
    font-size: 14px;
  }

  .ip-overview-page .art-course-statement-copy--lead {
    font-size: clamp(18px, 5vw, 22px);
  }

  .ip-overview-page .ip-character-section {
    padding-top: 24px;
    padding-bottom: 18px;
  }

  .ip-overview-page .ip-character-heading {
    margin-bottom: 10px;
    font-size: 18px;
  }

  .ip-overview-page .ip-character-stage {
    height: 340px;
  }

  .ip-overview-page .ip-character-slide {
    width: min(44vw, 176px);
  }

  .ip-overview-page #student-showcase .ip-character-slide,
  .ip-overview-page .ip-product-section .ip-character-slide {
    width: min(72vw, 282px);
    border-radius: 12px;
  }

  .ip-overview-page #student-showcase .ip-character-stage,
  .ip-overview-page .ip-product-section .ip-character-stage {
    height: 260px;
  }

  .ip-overview-page #student-showcase .ip-character-slide[data-position="-1"],
  .ip-overview-page .ip-product-section .ip-character-slide[data-position="-1"] {
    left: 31%;
  }

  .ip-overview-page #student-showcase .ip-character-slide[data-position="1"],
  .ip-overview-page .ip-product-section .ip-character-slide[data-position="1"] {
    left: 69%;
  }

  .ip-overview-page #student-showcase .ip-character-slide[data-position="-2"],
  .ip-overview-page .ip-product-section .ip-character-slide[data-position="-2"] {
    left: 12%;
  }

  .ip-overview-page #student-showcase .ip-character-slide[data-position="2"],
  .ip-overview-page .ip-product-section .ip-character-slide[data-position="2"] {
    left: 88%;
  }

  .ip-overview-page .ip-character-slide[data-position="-1"] {
    left: 35.5%;
  }

  .ip-overview-page .ip-character-slide[data-position="1"] {
    left: 64.5%;
  }

  .ip-overview-page .ip-character-slide[data-position="-2"] {
    left: 21%;
  }

  .ip-overview-page .ip-character-slide[data-position="2"] {
    left: 79%;
  }

  .ip-overview-page .ip-character-controls button {
    width: 39px;
    font-size: 17px;
  }

  .ip-overview-page .ip-character-follow {
    margin-top: 20px;
    padding-top: 12px;
  }

  .ip-overview-page .ip-xiaohongshu p {
    font-size: 12px;
  }

  .ip-overview-page .ip-xiaohongshu img {
    width: 54px;
  }

  .ip-overview-page .gallery-section {
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .ip-overview-page .gallery-heading {
    margin-bottom: 52px;
  }

  .ip-overview-page .gallery-section h2,
  .ip-overview-page .next-case h2 {
    font-size: clamp(42px, 13vw, 54px);
  }

  .ip-overview-page .media-card img {
    height: 100vw;
    max-height: 540px;
  }

  .ip-overview-page .next-case {
    min-height: 52svh;
    padding-top: 68px;
  }

  .ip-product-coming-soon {
    justify-content: flex-end;
  }

  .ip-character-manifesto {
    min-height: 112px;
    padding-top: 22px;
    padding-bottom: 22px;
  }

  .ip-character-manifesto p {
    font-size: clamp(24px, 8vw, 34px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}