:root {
  --bg: #f3f5f7;
  --bg-soft: #ebeff3;
  --surface: rgba(255, 255, 255, 0.32);
  --text: #1f2730;
  --muted: #66717c;
  --line: rgba(52, 66, 82, 0.08);
  --accent: #556473;
  --accent-soft: #93a1ad;
  --shadow: 0 10px 24px rgba(36, 44, 52, 0.035);
}

* {
  box-sizing: border-box;
}

.zh,
.en {
  display: none;
}

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

body.lang-zh .zh,
body.lang-en .en,
body.lang-es .es {
  display: inline !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(197, 208, 219, 0.16), transparent 24%),
    radial-gradient(circle at bottom right, rgba(220, 226, 232, 0.22), transparent 28%),
    linear-gradient(180deg, #fafbfd 0%, var(--bg) 100%);
  line-height: 1.74;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 36px;
  background: rgba(247, 249, 251, 0.74);
  border-bottom: 1px solid rgba(52, 66, 82, 0.035);
  backdrop-filter: blur(10px);
}

.site-header-right {
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  font-size: 1.16rem;
  letter-spacing: 0.1em;
  color: rgba(31, 39, 48, 0.78);
}

.site-nav {
  display: flex;
  gap: 18px;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: rgba(102, 113, 124, 0.58);
}

.site-nav a[aria-current="page"] {
  color: rgba(31, 39, 48, 0.88);
}

.site-nav a:hover {
  color: rgba(31, 39, 48, 0.72);
}

.lang-switcher {
  display: flex;
  gap: 6px;
}

.lang-toggle {
  border: 1px solid rgba(52, 66, 82, 0.05);
  background: rgba(255, 255, 255, 0.42);
  color: rgba(102, 113, 124, 0.64);
  padding: 5px 10px;
  cursor: pointer;
  font-family: inherit;
  border-radius: 999px;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.lang-toggle:hover,
.lang-toggle.is-active {
  color: #f7f9fb;
  background: linear-gradient(135deg, rgba(85, 100, 115, 0.92), rgba(147, 161, 173, 0.86));
  border-color: transparent;
}

main {
  padding: 22px 28px 26px;
}

.hero,
.section {
  width: min(1340px, calc(100vw - 56px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(360px, 0.64fr);
  gap: 54px;
  align-items: start;
  min-height: calc(100vh - 124px);
  padding: 44px 0 96px;
}

.hero-copy {
  padding: 22px 8px 0 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.hero-kicker,
.section-kicker,
.series-label {
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(85, 100, 115, 0.56);
}

.hero h1 {
  margin: 0;
  max-width: 8.8em;
  font-size: clamp(3.3rem, 6.6vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-text {
  margin: 34px 0 0;
  max-width: 20rem;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(102, 113, 124, 0.62);
}

.hero-text span {
  color: var(--text);
}

.hero-note {
  margin: 14px 0 0;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(102, 113, 124, 0.48);
}

.hero-quote {
  margin: 30px 0 0;
  max-width: 24rem;
  color: rgba(67, 80, 93, 0.68);
  font-size: 0.88rem;
  line-height: 1.82;
}

.hero-panel {
  align-self: start;
  display: grid;
  gap: 6px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  margin-top: 10px;
  backdrop-filter: none;
  opacity: 0.78;
}

.hero-panel .series-label {
  margin-bottom: 6px;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  color: rgba(85, 100, 115, 0.34);
}

.hero-panel-block h2 {
  margin: 0;
  max-width: 12em;
  font-size: clamp(0.94rem, 1.28vw, 1.14rem);
  line-height: 1.08;
}

.hero-panel-block p {
  margin: 0;
  color: rgba(102, 113, 124, 0.64);
}

.hero-panel-meta {
  margin: 0;
  max-width: 15rem;
  color: rgba(85, 100, 115, 0.38);
  font-size: 0.54rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.74;
}

.hero-panel-actions {
  padding-top: 8px;
  border-top: 1px solid rgba(52, 66, 82, 0.08);
}

.hero-panel-docline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  margin: 0;
}

.subtle-link {
  color: rgba(31, 39, 48, 0.34);
  text-decoration: none;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.subtle-link:hover {
  color: rgba(31, 39, 48, 0.68);
}

.doc-separator {
  color: rgba(85, 100, 115, 0.28);
  font-size: 0.68rem;
}

.timeline-note,
.section-timing {
  max-width: 42rem;
  color: rgba(102, 113, 124, 0.88);
  font-size: 0.94rem;
  line-height: 1.74;
}

.timeline-note {
  margin: 18px 0 0;
}

.section-timing {
  margin: 0 0 30px;
  padding-top: 2px;
}

.section-timing--works {
  max-width: 52rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin-top: 34px;
  color: rgba(85, 100, 115, 0.28);
}

.hero-link {
  text-decoration: none;
  color: rgba(31, 39, 48, 0.46);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 180ms ease, transform 180ms ease;
}

.hero-link:hover {
  color: rgba(31, 39, 48, 0.76);
  transform: translateY(-1px);
}

.section {
  padding: 82px 0;
}

.trace-layout,
.project-grid,
.dossier-grid,
.cv-grid,
.contact-grid,
.works-grid,
.exhibition-grid {
  display: grid;
  gap: 22px;
}

.cv-block,
.contact-grid > div,
.dossier-card,
.work-card,
.feature-work {
  background: var(--surface);
  border: 0;
  box-shadow: none;
}

.cv-block,
.contact-grid > div {
  padding: 16px 0;
}

.section-head h2,
.cv-block h3,
.feature-copy h3,
.work-copy h3 {
  margin: 0 0 12px;
}

.section-head {
  margin-bottom: 34px;
}

.section-head h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.trace-layout {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 0;
}

.trace-main {
  background: var(--surface);
  border: 0;
  box-shadow: none;
}

.trace-main {
  padding: 2px 0;
  font-size: 1.06rem;
  max-width: 44rem;
}

.trace-main p {
  margin: 0 0 20px;
}

.trace-main p:last-child {
  margin-bottom: 0;
}

.project-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 56px 42px;
}

.project-note {
  max-width: 24rem;
  margin: 0 0 24px;
  color: rgba(67, 80, 93, 0.66);
  font-size: 1rem;
  line-height: 1.72;
}

.project-intro-compact {
  max-width: 42rem;
  margin: 0 0 30px;
}

.project-curatorial-line {
  margin: 0 0 22px;
  color: rgba(67, 80, 93, 0.54);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.82;
}

.project-visuals {
  display: grid;
  grid-template-columns: minmax(0, 2.14fr) minmax(210px, 0.56fr);
  grid-template-rows: auto auto;
  gap: 34px 20px;
  margin: 0 0 76px;
}

.project-visuals-home {
  grid-template-columns: minmax(0, 1.32fr) minmax(170px, 0.38fr);
  gap: 26px 20px;
  margin-bottom: 56px;
  max-width: 760px;
}

.project-visual {
  margin: 0;
}

.project-visual--large {
  grid-row: 1 / span 3;
}

.project-visual--aux {
  align-self: start;
}

.project-visuals-home .project-visual:not(.project-visual--large) {
  justify-self: end;
  width: 100%;
  max-width: 176px;
}

.project-visual-index {
  margin: 0 0 12px;
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  color: rgba(85, 100, 115, 0.34);
}

.project-visual img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center center;
  background: rgba(246, 248, 250, 0.42);
  filter: saturate(0.82) contrast(0.96) brightness(0.95);
  transition: transform 220ms ease, opacity 220ms ease, filter 220ms ease;
}

.project-visual:hover img {
  transform: translateY(-1px);
  filter: saturate(0.8) contrast(0.98) brightness(0.96);
}

.project-visual--large img {
  aspect-ratio: 1 / 1.24;
  object-position: 52% 52%;
  filter: saturate(0.68) contrast(0.97) brightness(0.91);
}

.project-visual figcaption {
  margin-top: 12px;
  color: rgba(102, 113, 124, 0.62);
  font-size: 0.76rem;
  line-height: 1.5;
}

.project-visuals-home .project-visual img {
  border-radius: 0;
  box-shadow: none;
  background: rgba(246, 248, 250, 0.3);
}

.project-visuals-home .project-visual figcaption {
  max-width: none;
  margin-top: 16px;
  color: rgba(67, 80, 93, 0.56);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-visuals-home .project-visual:not(.project-visual--large) img {
  aspect-ratio: 1 / 1.02;
  object-fit: contain;
  padding: 10px;
  background: rgba(250, 251, 252, 0.92);
  border: 1px solid rgba(52, 66, 82, 0.08);
}

.project-visuals-home .project-visual:not(.project-visual--large) figcaption {
  display: none;
}

.project-visual figcaption em {
  font-style: italic;
  color: rgba(31, 39, 48, 0.88);
}

.project-visual:not(.project-visual--large) figcaption {
  max-width: 13rem;
}

.trace-samples {
  margin: 0 0 82px;
}

.trace-samples-head {
  margin: 0 0 18px;
}

.update-stamp {
  margin: 18px 0 0;
  display: inline-flex;
  max-width: 36rem;
  padding: 8px 0 0;
  border-top: 1px solid rgba(136, 111, 84, 0.18);
  color: rgba(90, 74, 56, 0.74);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  line-height: 1.7;
}

.trace-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.trace-thumb {
  margin: 0;
}

.trace-thumb img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.84) contrast(0.96) brightness(0.95);
  transition: transform 220ms ease, filter 220ms ease;
}

.trace-thumb:hover img {
  transform: translateY(-2px);
  filter: saturate(0.9) contrast(0.98) brightness(0.98);
}

.project-visual:not(.project-visual--large) img {
  opacity: 0.94;
  filter: saturate(0.74) contrast(0.95) brightness(0.96);
}

.project-visual--large figcaption {
  max-width: 24rem;
}

.project-visual:nth-child(2) img {
  object-position: 52% 46%;
}

.project-visual:nth-child(3) img {
  object-position: 50% 48%;
}

.project-visual--large .project-visual-index {
  color: rgba(85, 100, 115, 0.62);
}

.project-sequence-line {
  max-width: 52rem;
  margin-top: -8px;
  padding-top: 18px;
  border-top: 1px solid rgba(52, 66, 82, 0.1);
}

.project-sequence-line p {
  margin: 0 0 8px;
  color: rgba(67, 80, 93, 0.62);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.8;
}

.project-sequence-line p:last-child {
  margin-bottom: 0;
}

.hero-home {
  grid-template-columns: minmax(0, 1.06fr) minmax(250px, 0.5fr);
  gap: 118px;
  align-items: start;
  padding-top: 68px;
  padding-bottom: 88px;
}

.dossier-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px 24px;
}

.dossier-card {
  padding: 4px 0 0;
}

.dossier-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.dossier-card p {
  margin: 0;
  color: rgba(102, 113, 124, 0.88);
}

.dossier-note {
  margin-top: 26px;
  max-width: 46rem;
}

.dossier-note p {
  margin: 0;
  color: rgba(102, 113, 124, 0.86);
}

.dossier-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.feature-work {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  overflow: hidden;
  margin-bottom: 48px;
  align-items: start;
  gap: 26px;
}

.feature-image img {
  height: 100%;
  aspect-ratio: 1 / 0.92;
  object-fit: contain;
  background: rgba(243, 246, 249, 0.92);
  padding: 18px;
}

.feature-copy {
  padding: 12px 0 2px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-copy .meta {
  margin: 0 0 16px;
  color: rgba(102, 113, 124, 0.72);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.feature-copy > p:last-child {
  margin: 10px 0 0;
  color: rgba(102, 113, 124, 0.88);
  line-height: 1.72;
}

.works-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 62px 38px;
  margin-top: 10px;
}

.exhibition-grid {
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px 26px;
}

.exhibition-card {
  margin: 0;
}

.exhibition-card--large {
  grid-row: span 2;
}

.exhibition-card img {
  aspect-ratio: 1 / 0.82;
  object-fit: cover;
  background: #f1ede6;
}

.exhibition-card--large img {
  aspect-ratio: 1 / 1.15;
}

.exhibition-card figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.94rem;
}

.work-card {
  overflow: hidden;
  background: transparent;
}

.work-card img {
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: rgba(246, 248, 250, 0.62);
  padding: 12px;
}

.work-copy {
  padding: 12px 0 0;
}

.work-copy h3 {
  min-height: 2.8em;
  margin-bottom: 5px;
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.22;
}

.work-copy p {
  margin: 0;
}

.work-copy p:not(.work-note):not(.series-label) {
  color: rgba(102, 113, 124, 0.72);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
}

.work-note {
  margin: 6px 0 0;
  color: rgba(102, 113, 124, 0.8);
  font-size: 0.84rem;
}

.archive-tail {
  margin: 22px 0 0;
  max-width: 34rem;
  color: rgba(102, 113, 124, 0.78);
  font-size: 0.92rem;
}

.archive-disclosure {
  margin-top: 6px;
}

.archive-disclosure summary {
  list-style: none;
  cursor: pointer;
  color: rgba(31, 39, 48, 0.52);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.archive-disclosure summary::-webkit-details-marker {
  display: none;
}

.archive-disclosure summary::before {
  content: "+";
  display: inline-block;
  width: 1rem;
  margin-right: 6px;
  color: rgba(85, 100, 115, 0.46);
}

.archive-disclosure[open] summary::before {
  content: "−";
}

.archive-disclosure .feature-work {
  margin-top: 30px;
}

.works .section-head {
  margin-bottom: 12px;
}

.works .section-head h2 {
  font-size: clamp(1.28rem, 2vw, 1.72rem);
}

.works .section-kicker {
  color: rgba(85, 100, 115, 0.54);
}

.works .section-timing {
  max-width: 26rem;
  font-size: 0.82rem;
  color: rgba(102, 113, 124, 0.66);
}

.works.section {
  padding-top: 74px;
}

.feature-work {
  margin-bottom: 28px;
}

.feature-image img {
  padding: 14px;
}

.work-copy p:last-child,
.cv-block p:last-child {
  margin-bottom: 0;
}

.cv-grid {
  grid-template-columns: 0.86fr 1.14fr;
  column-gap: 58px;
}

.cv-label {
  margin: 0 0 8px;
  color: rgba(85, 100, 115, 0.68);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.cv-block ul {
  margin: 0;
  padding-left: 1.1rem;
}

.context-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 14px;
}

.context-links a {
  color: rgba(31, 39, 48, 0.56);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.context-links a:hover {
  color: rgba(31, 39, 48, 0.82);
}

.cv-block li + li {
  margin-top: 10px;
}

.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 46px;
}

.contact-intro {
  max-width: 22rem;
  margin: 0 0 18px;
  color: rgba(67, 80, 93, 0.58);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.76;
}

.contact-grid-home > div {
  padding: 18px 0 0;
}

.contact-grid > div {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.hero-home {
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  gap: 64px;
  align-items: start;
  padding-top: 64px;
}

.development-page .site-header {
  background: rgba(247, 249, 251, 0.9);
}

.development-hero {
  padding-top: 62px;
  padding-bottom: 24px;
}

.development-hero h1 {
  margin: 0;
  max-width: 10em;
  font-size: clamp(2.28rem, 4.8vw, 4.4rem);
  line-height: 1.02;
}

.development-intro {
  margin: 18px 0 0;
  max-width: 38rem;
  color: rgba(67, 80, 93, 0.62);
  font-size: 0.9rem;
  line-height: 1.72;
}

.development-sheet {
  display: grid;
  grid-template-columns: minmax(190px, 0.26fr) minmax(0, 1fr);
  gap: 20px 64px;
  padding-top: 0;
}

.development-sheet--full {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.bio-sheet {
  padding-top: 4px;
}

.bio-sheet .statement-text {
  max-width: 42rem;
}

.development-sheet-intro {
  padding-top: 2px;
  opacity: 0.82;
}

.development-sheet-intro h2 {
  margin: 0 0 12px;
  font-size: clamp(1.06rem, 1.42vw, 1.28rem);
  line-height: 1.08;
}

.development-sheet-intro p:last-child {
  margin: 0;
  color: rgba(102, 113, 124, 0.58);
  font-size: 0.88rem;
  line-height: 1.76;
}

.development-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 22px;
}

.development-links .hero-link,
.development-links .subtle-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.62rem;
}

.statement-text {
  max-width: 42rem;
}

.statement-index {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
  padding: 14px 16px;
  border: 1px solid rgba(52, 66, 82, 0.06);
  background: rgba(255, 255, 255, 0.28);
}

.statement-index p {
  margin: 0;
}

.statement-index nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.statement-block {
  padding-top: 10px;
  border-top: 1px solid rgba(52, 66, 82, 0.06);
}

.statement-block + .statement-block {
  margin-top: 14px;
}

.development-sheet--full .statement-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 12px;
}

.development-sheet--full .statement-block + .statement-block {
  margin-top: 10px;
}

.statement-block p:last-child {
  margin: 0;
  color: rgba(67, 80, 93, 0.82);
  font-size: 0.94rem;
  line-height: 1.72;
}

.development-sheet--full .statement-block p:last-child {
  flex: 0 0 auto;
  line-height: 1;
}

.download-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 6px 0 8px;
  color: rgba(102, 113, 124, 0.62);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.download-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 7px;
  border: 1px solid rgba(52, 66, 82, 0.06);
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
}

.development-sheet--full .download-meta {
  margin: 0;
}

.development-sheet--full .hero-link {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
}

.materials-page .development-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(240px, 0.56fr);
  gap: 58px;
  align-items: start;
  padding-top: 76px;
  padding-bottom: 40px;
}

.materials-page {
  background:
    radial-gradient(circle at top left, rgba(214, 206, 197, 0.1), transparent 24%),
    radial-gradient(circle at bottom right, rgba(223, 217, 210, 0.14), transparent 28%),
    linear-gradient(180deg, #fcfbf9 0%, #f4f1ec 100%);
}

.materials-page .site-header {
  background: rgba(250, 248, 245, 0.82);
  border-bottom-color: rgba(122, 103, 84, 0.05);
}

.materials-page .development-sheet--full .statement-block {
  display: block;
  padding-top: 0;
}

.materials-page .development-sheet--full .statement-block + .statement-block {
  margin-top: 0;
}

.materials-hero-main h1 {
  max-width: 9em;
}

.materials-intro {
  max-width: 32rem;
}

.materials-hero-aside {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  padding: 20px 0 0;
  border-top: 1px solid rgba(122, 103, 84, 0.08);
  opacity: 0.74;
}

.materials-aside-label {
  margin: 0;
  color: rgba(124, 100, 75, 0.38);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.materials-aside-copy {
  margin: 0;
  max-width: 15rem;
  color: rgba(96, 81, 66, 0.54);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  line-height: 1.74;
}

.materials-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.materials-pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border: 1px solid rgba(122, 103, 84, 0.06);
  border-radius: 999px;
  background: rgba(255, 252, 248, 0.3);
  color: rgba(96, 81, 66, 0.48);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.materials-sheet {
  padding-top: 16px;
}

.materials-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: none;
}

.materials-card {
  min-height: 100%;
  padding: 22px 22px 24px;
  border: 1px solid rgba(122, 103, 84, 0.05);
  background: linear-gradient(180deg, rgba(255, 252, 248, 0.58), rgba(250, 246, 240, 0.3));
  box-shadow: 0 8px 18px rgba(77, 63, 50, 0.018);
}

.materials-card h2 {
  margin: 0 0 14px;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(61, 49, 38, 0.78);
}

.materials-card p {
  margin: 0 0 14px;
  color: rgba(87, 72, 58, 0.76);
  font-size: 0.9rem;
  line-height: 1.86;
}

.materials-card p:last-child {
  margin-bottom: 0;
}

.materials-page .development-sheet--full .statement-block p:last-child {
  flex: initial;
  line-height: 1.86;
}

.materials-card strong {
  color: rgba(61, 49, 38, 0.84);
  font-weight: 600;
}

.materials-card--packages,
.materials-card--contact {
  grid-column: span 2;
}

.materials-package-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.materials-package-list p {
  min-height: 100%;
  padding: 14px 15px;
  border-top: 1px solid rgba(122, 103, 84, 0.06);
  background: rgba(255, 251, 246, 0.54);
  color: rgba(82, 68, 54, 0.8);
}

.materials-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
  align-items: center;
  margin-top: 18px;
}

.materials-email {
  color: rgba(96, 81, 66, 0.62);
}

.materials-primary-cta {
  padding: 9px 14px;
  border: 1px solid rgba(138, 113, 87, 0.06);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(138, 113, 87, 0.18), rgba(171, 148, 122, 0.12));
  color: rgba(61, 49, 38, 0.72);
  box-shadow: none;
}

.materials-primary-cta:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, rgba(138, 113, 87, 0.22), rgba(171, 148, 122, 0.16));
}

.materials-page-soft {
  background:
    radial-gradient(circle at top left, rgba(214, 206, 197, 0.15), transparent 24%),
    radial-gradient(circle at bottom right, rgba(223, 217, 210, 0.2), transparent 28%),
    linear-gradient(180deg, #fbfaf8 0%, #f3efe9 100%);
}

.materials-page-soft .site-header {
  background: rgba(251, 249, 246, 0.82);
  border-bottom-color: rgba(122, 103, 84, 0.06);
}

.materials-page-soft .materials-hero-aside {
  border-top-color: rgba(122, 103, 84, 0.12);
}

.materials-page-soft .materials-aside-label,
.materials-page-soft .section-kicker {
  color: rgba(124, 100, 75, 0.5);
}

.materials-page-soft .materials-aside-copy,
.materials-page-soft .development-intro {
  color: rgba(96, 81, 66, 0.68);
}

.materials-page-soft .materials-pill {
  border-color: rgba(122, 103, 84, 0.08);
  background: rgba(255, 252, 248, 0.72);
  color: rgba(96, 81, 66, 0.66);
}

.materials-page-soft .materials-card {
  border-color: rgba(122, 103, 84, 0.08);
  background: linear-gradient(180deg, rgba(255, 252, 248, 0.84), rgba(250, 246, 240, 0.68));
  box-shadow: 0 14px 34px rgba(77, 63, 50, 0.04);
}

.materials-page-soft .materials-card h2,
.materials-page-soft .materials-card strong {
  color: rgba(61, 49, 38, 0.86);
}

.materials-page-soft .materials-card p {
  color: rgba(87, 72, 58, 0.8);
}

.materials-page-soft .materials-package-list p {
  border-top-color: rgba(122, 103, 84, 0.08);
  background: rgba(255, 251, 246, 0.8);
  color: rgba(82, 68, 54, 0.82);
}

.materials-page-soft .materials-email {
  color: rgba(96, 81, 66, 0.66);
}

.materials-page-soft .materials-primary-cta {
  background: linear-gradient(135deg, rgba(138, 113, 87, 0.94), rgba(181, 157, 130, 0.9));
  box-shadow: 0 14px 28px rgba(77, 63, 50, 0.08);
}

.work-no {
  color: rgba(85, 100, 115, 0.42);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.contact-label {
  margin: 0 0 8px;
  color: rgba(102, 113, 124, 0.72);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-note {
  margin: 0 0 14px;
  color: rgba(102, 113, 124, 0.82);
  font-size: 0.94rem;
}

.contact-link {
  font-size: 1.12rem;
  text-decoration: none;
}

.link-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.link-list a {
  text-decoration: none;
  color: rgba(85, 100, 115, 0.86);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.materials-link {
  padding: 8px 12px;
  border: 1px solid rgba(85, 100, 115, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  color: rgba(31, 39, 48, 0.82);
  box-shadow: 0 8px 18px rgba(36, 44, 52, 0.03);
}

.materials-link:hover {
  border-color: rgba(85, 100, 115, 0.2);
  background: rgba(255, 255, 255, 0.68);
}

.instagram-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  color: rgba(85, 100, 115, 0.72);
}

.instagram-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 20px;
  z-index: 30;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(52, 66, 82, 0.08);
  border-radius: 999px;
  background: rgba(247, 249, 251, 0.82);
  color: rgba(31, 39, 48, 0.58);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(36, 44, 52, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease, color 180ms ease;
}

.back-to-top span {
  font-size: 0.86rem;
  font-weight: 300;
  line-height: 1;
}

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

.back-to-top:hover {
  background: rgba(255, 255, 255, 0.94);
  color: rgba(31, 39, 48, 0.76);
}

.cv .section-head,
.contact .section-head {
  margin-bottom: 16px;
}

.cv .section-head .section-kicker,
.contact .section-head .section-kicker {
  color: rgba(85, 100, 115, 0.68);
}

.cv .section-head h2,
.contact .section-head h2 {
  font-size: clamp(1.55rem, 2.4vw, 2.2rem);
}

.cv-block h3,
.contact-grid h3 {
  color: rgba(31, 39, 48, 0.84);
}

.cv-block p,
.cv-block li,
.contact-grid p,
.contact-grid a {
  color: rgba(31, 39, 48, 0.78);
}

.contact .section-timing {
  max-width: 34rem;
}

.cv-block li {
  line-height: 1.72;
}

@media (max-width: 980px) {
  .hero,
  .trace-layout,
  .project-grid,
  .project-protocol,
  .project-intro,
  .project-visuals,
  .development-visuals,
  .development-sheet,
  .gallery-overview,
  .mother-grid,
  .water-grid,
  .dossier-grid,
  .feature-work,
  .works-grid,
  .exhibition-grid,
  .cv-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .feature-copy,
  .trace-main {
    padding-left: 0;
    border-left: 0;
  }

  .trace-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .water-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-visuals-home .project-visual:not(.project-visual--large) {
    max-width: none;
    justify-self: stretch;
  }
}

@media (max-width: 680px) {
  .site-header {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 12px 8px;
    gap: 5px;
  }

  .site-header-right {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
  }

  .site-nav {
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
    max-width: none;
    min-width: 0;
    padding-bottom: 1px;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    font-size: 0.68rem;
    letter-spacing: 0.04em;
  }

  .trace-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .brand {
    font-size: 0.92rem;
    letter-spacing: 0.08em;
  }

  .lang-switcher {
    gap: 5px;
    flex: 0 0 auto;
  }

  .lang-toggle {
    padding: 4px 8px;
    font-size: 0.68rem;
  }

  main {
    padding: 14px;
  }

  .hero,
  .section {
    width: min(100%, calc(100vw - 28px));
  }

  .hero {
    gap: 26px;
    padding: 18px 0 48px;
  }

  .hero-home {
    gap: 28px;
    padding-top: 18px;
  }

  .hero-kicker {
    margin-bottom: 10px;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
  }

  .hero h1 {
    max-width: 8.2em;
    font-size: clamp(2.18rem, 12.4vw, 3.34rem);
    line-height: 1;
    letter-spacing: 0.01em;
    text-wrap: balance;
  }

  .hero-text {
    margin-top: 18px;
    max-width: 28rem;
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .hero-note {
    margin-top: 14px;
    font-size: 0.76rem;
    letter-spacing: 0.1em;
  }

  .hero-quote {
    margin-top: 20px;
    font-size: 0.82rem;
    line-height: 1.74;
  }

  .timeline-note,
  .section-timing {
    font-size: 0.84rem;
    line-height: 1.66;
  }

  .timeline-note {
    margin-top: 14px;
  }

  .section-timing {
    margin-bottom: 16px;
  }

  .hero-actions {
    gap: 10px;
    margin-top: 28px;
  }

  .inline-entry {
    margin-bottom: 0;
  }

  .hero-panel {
    margin-top: 0;
    padding: 0;
    gap: 10px;
  }

  .hero-panel-docline {
    gap: 3px 7px;
  }

  .hero-panel-block h2 {
    margin-bottom: 7px;
  }

  .hero-panel-note {
    font-size: 0.84rem;
    line-height: 1.58;
  }

  .project-protocol {
    gap: 14px;
    margin-bottom: 26px;
  }

  .project-visuals {
    gap: 20px;
    margin-bottom: 44px;
  }

  .development-hero {
    padding-top: 28px;
    padding-bottom: 18px;
  }

  .development-hero h1 {
    max-width: 8.8em;
    font-size: clamp(2rem, 11.4vw, 3rem);
  }

  .development-intro {
    margin-top: 12px;
    font-size: 0.88rem;
    line-height: 1.68;
  }

  .project-visual--large {
    grid-row: auto;
  }

  .project-visual--large img {
    aspect-ratio: 1 / 1.12;
  }

  .project-visual:not(.project-visual--large) img {
    opacity: 0.96;
    filter: saturate(0.76) contrast(0.95) brightness(0.97);
  }

  .development-sheet {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .materials-page .development-hero {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 34px;
    padding-bottom: 22px;
  }

  .materials-hero-aside {
    max-width: 24rem;
    padding-top: 14px;
  }

  .materials-stack {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .materials-card--packages,
  .materials-card--contact {
    grid-column: auto;
  }

  .materials-package-list {
    grid-template-columns: 1fr;
  }

  .materials-card {
    padding: 18px 16px 19px;
  }

  .development-sheet--full .statement-block {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .gallery-overview {
    gap: 20px;
    margin-bottom: 22px;
  }

  .development-sequence {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .mother-grid,
  .water-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .protocol-card {
    padding-top: 10px;
  }

  .button {
    min-width: 0;
    padding: 0 0 8px;
    font-size: 0.68rem;
    background: transparent;
    border-color: rgba(52, 66, 82, 0.12);
  }

  .section {
    padding: 40px 0;
  }

  .section-head {
    margin-bottom: 14px;
  }

  .section-head h2 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
    line-height: 1.08;
  }

  .trace-main {
    font-size: 0.98rem;
    line-height: 1.8;
  }

  .trace-main p {
    margin-bottom: 16px;
  }

  .feature-work {
    gap: 14px;
    margin-bottom: 22px;
  }

  .feature-copy {
    padding-top: 2px;
  }

  .feature-copy h3 {
    margin-bottom: 8px;
    line-height: 1.12;
  }

  .feature-copy .meta {
    margin-bottom: 10px;
    font-size: 0.82rem;
  }

  .feature-copy > p:last-child {
    margin-top: 8px;
    font-size: 0.88rem;
    line-height: 1.66;
  }

  .feature-image img,
  .work-card img {
    padding: 6px;
  }

  .work-copy {
    padding-top: 9px;
  }

  .work-copy h3 {
    min-height: 0;
    margin-bottom: 4px;
    font-size: 0.9rem;
    line-height: 1.18;
  }

  .work-copy p:not(.work-note):not(.series-label) {
    font-size: 0.76rem;
  }

  .work-note {
    margin-top: 4px;
    font-size: 0.76rem;
    line-height: 1.55;
  }

  .series-label {
    margin-bottom: 7px;
    font-size: 0.66rem;
    letter-spacing: 0.16em;
  }

  .works-grid {
    gap: 42px 20px;
  }

  .cv,
  .contact {
    opacity: 0.82;
  }

  .cv .section-head,
  .contact .section-head {
    margin-bottom: 12px;
  }

  .cv .section-head h2,
  .contact .section-head h2 {
    font-size: clamp(1.22rem, 5vw, 1.56rem);
  }

  .cv-block,
  .contact-grid > div {
    padding-top: 2px;
  }

  .cv-block h3 {
    margin-bottom: 8px;
    font-size: 0.92rem;
  }

  .cv-block p,
  .cv-block li {
    font-size: 0.84rem;
    line-height: 1.68;
  }

  .contact-link {
    font-size: 0.92rem;
    word-break: break-all;
  }

  .link-list {
    gap: 7px;
  }

  .social-link {
    gap: 7px;
  }

  .materials-link {
    padding: 7px 10px;
  }

  .instagram-icon {
    width: 14px;
    height: 14px;
  }

  .back-to-top {
    right: 12px;
    bottom: 16px;
    width: 34px;
    height: 34px;
  }

  .back-to-top span {
    font-size: 0.78rem;
  }

  .hero-copy,
  .feature-copy,
  .cv-block,
  .contact-grid > div,
  .trace-main {
    padding: 0;
  }

  .statement-index {
    margin-bottom: 14px;
    padding: 12px 14px;
  }

  .statement-block + .statement-block {
    margin-top: 10px;
  }

  .statement-block p:last-child {
    font-size: 0.9rem;
    line-height: 1.66;
  }
}