/* ============================================================
   NEXUS — Page Styles
   Home / Exhibition / Archive / Detail / Visit / About / 404
   ============================================================ */

/* ============================================================
   HOME — Hero
   ============================================================ */

.home-hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 80px 1fr 1fr 80px;
  grid-template-rows: 1fr auto;
  align-items: center;
  padding: var(--sp-7) var(--container-pad);
  overflow: hidden;
}

.hero-rail {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-faint);
  writing-mode: vertical-rl;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.hero-rail--left {
  grid-column: 1;
  grid-row: 1 / 3;
  justify-self: center;
}

.hero-copy {
  grid-column: 2;
  grid-row: 1;
  padding-right: var(--sp-7);
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  font-size: var(--text-3xl);
  line-height: 0.95;
  margin-bottom: var(--sp-3);
}

.hero-copy h1 span,
.hero-copy h1 em {
  display: block;
}

.hero-preface {
  font-family: var(--font-cn-serif);
  font-size: var(--text-md);
  color: var(--color-ink-soft);
  margin-bottom: var(--sp-4);
}

.hero-cn-title {
  font-family: var(--font-cn-serif);
  font-size: var(--text-xl);
  letter-spacing: 0.15em;
  margin-bottom: var(--sp-6);
  color: var(--color-ink);
}

.hero-premise {
  font-size: var(--text-lg);
  line-height: 1.8;
  margin-bottom: var(--sp-7);
  color: var(--color-ink-soft);
}

.entrance-link {
  display: inline-flex;
  flex-direction: column;
  gap: var(--sp-1);
  position: relative;
  padding: var(--sp-4) var(--sp-6);
  border: 1px solid var(--color-ink);
  transition: background var(--transition), color var(--transition);
}

.entrance-link:hover {
  background: var(--color-ink);
  color: var(--color-bg);
}

.entrance-link-en {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  opacity: 0.6;
}

.entrance-link i {
  font-style: normal;
  position: absolute;
  right: var(--sp-4);
  top: 50%;
  transform: translateY(-50%);
}

/* Hero atmosphere visual */
.hero-atmosphere {
  grid-column: 3;
  grid-row: 1;
  position: relative;
  height: 70vh;
  border-left: 1px solid var(--color-line);
  overflow: hidden;
}

.atmosphere-light {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    225deg,
    rgba(255, 253, 247, 0.7) 0%,
    rgba(232, 228, 218, 0) 60%
  );
  pointer-events: none;
}

.atmosphere-plane {
  position: absolute;
  bottom: 20%;
  left: 15%;
  right: 15%;
  height: 1px;
  background: var(--color-line-strong);
}

.atmosphere-horizon {
  position: absolute;
  bottom: 20%;
  left: 50%;
  width: 1px;
  height: 30%;
  background: var(--color-line);
}

.atmosphere-weather {
  position: absolute;
  bottom: 22%;
  left: 20%;
  display: flex;
  gap: var(--sp-3);
}

.atmosphere-weather i {
  display: block;
  width: 2px;
  background: var(--color-cool);
}

.atmosphere-weather i:nth-child(1) { height: 12px; opacity: 0.4; }
.atmosphere-weather i:nth-child(2) { height: 20px; opacity: 0.6; }
.atmosphere-weather i:nth-child(3) { height: 8px; opacity: 0.3; }
.atmosphere-weather i:nth-child(4) { height: 16px; opacity: 0.5; }
.atmosphere-weather i:nth-child(5) { height: 10px; opacity: 0.4; }

.hero-atmosphere figcaption {
  position: absolute;
  bottom: var(--sp-4);
  left: var(--sp-4);
  right: var(--sp-4);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
}

.hero-side-note {
  grid-column: 4;
  grid-row: 1;
  justify-self: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  text-align: center;
}

.vertical-label {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-ink-faint);
}

.hero-side-note p {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.hero-side-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.hero-baseline {
  grid-column: 2 / 4;
  grid-row: 2;
  display: flex;
  justify-content: space-between;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
}

/* --- Home introduction --- */

.home-introduction {
  position: relative;
  padding-top: var(--sp-9);
  padding-bottom: var(--sp-9);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--sp-7);
}

.section-index {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  padding-top: var(--sp-2);
}

.home-introduction-copy h2 {
  margin-bottom: var(--sp-6);
}

.intro-body {
  max-width: 560px;
}

.intro-body p {
  margin-bottom: var(--sp-5);
}

.home-marginalia {
  position: absolute;
  right: var(--container-pad);
  top: var(--sp-9);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-line-strong);
  line-height: 1.5;
  text-align: right;
}

/* --- Home collection list --- */

.home-collection {
  border-top: 1px solid var(--color-line);
  padding: var(--sp-9) 0;
}

.collection-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--sp-7);
}

.home-object-list {
  border-top: 1px solid var(--color-line-strong);
}

.home-object-row {
  display: grid;
  grid-template-columns: 60px 1fr auto 40px;
  align-items: center;
  gap: var(--sp-5);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--color-line);
  transition: padding-left var(--transition);
}

.home-object-row:hover {
  padding-left: var(--sp-3);
}

.home-object-index {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
}

.home-object-name {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.home-object-name strong {
  font-family: var(--font-cn-serif);
  font-size: var(--text-md);
  font-weight: 500;
}

.home-object-name span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-faint);
}

.home-object-category {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.home-object-arrow {
  font-size: var(--text-md);
  color: var(--color-ink-faint);
  transition: transform var(--transition), color var(--transition);
}

.home-object-row:hover .home-object-arrow {
  transform: translate(4px, -4px);
  color: var(--color-accent);
}

/* --- Home closing --- */

.home-closing {
  text-align: center;
  padding-top: var(--sp-10);
  padding-bottom: var(--sp-10);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}

.home-closing-quote {
  font-family: var(--font-cn-serif);
  font-size: var(--text-xl);
  line-height: 1.8;
  max-width: 560px;
}

.home-closing-quote span {
  color: var(--color-accent);
}

/* ============================================================
   EXHIBITION PAGE
   ============================================================ */

.exhibition-hero {
  padding-top: var(--sp-9);
  padding-bottom: var(--sp-8);
}

.exhibition-kicker {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--sp-7);
}

.archive-status {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.exhibition-title-grid {
  display: grid;
  grid-template-columns: 120px 1fr 300px;
  gap: var(--sp-6);
  align-items: end;
}

.exhibition-number {
  font-family: var(--font-display);
  font-size: 120px;
  line-height: 0.8;
  color: var(--color-line-strong);
}

.exhibition-title-grid h1 {
  font-size: var(--text-3xl);
}

.exhibition-cn {
  font-family: var(--font-cn-serif);
  font-size: var(--text-lg);
  letter-spacing: 0.15em;
  margin-top: var(--sp-3);
  color: var(--color-ink-soft);
}

.exhibition-deck {
  font-size: var(--text-md);
  line-height: 1.8;
  color: var(--color-ink-soft);
  padding-bottom: var(--sp-2);
}

.curatorial-statement {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--sp-7);
  padding-top: var(--sp-8);
  padding-bottom: var(--sp-8);
  border-top: 1px solid var(--color-line);
}

.statement-aside {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.section-marker {
  color: var(--color-accent);
}

.statement-lead {
  font-family: var(--font-cn-serif);
  font-size: var(--text-xl);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
}

.statement-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}

.collection-principles {
  background: var(--color-surface);
  padding: var(--sp-8) 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.principles-grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--sp-7);
}

.principles-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.principles-list li {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: var(--sp-4);
}

.principles-list li > span {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  padding-top: 4px;
}

.principles-list h3 {
  margin-bottom: var(--sp-2);
}

.principles-list p {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.8;
}

.exhibition-index {
  padding-top: var(--sp-9);
  padding-bottom: var(--sp-9);
}

.exhibition-index-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--sp-6);
}

.exhibition-index-heading p {
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
  line-height: 1.8;
  text-align: right;
}

.exhibition-object-list {
  border-top: 1px solid var(--color-line-strong);
}

.exhibition-object-index {
  display: grid;
  grid-template-columns: 100px 1fr 150px 60px 30px;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--color-line);
  transition: padding-left var(--transition);
}

.exhibition-object-index:hover {
  padding-left: var(--sp-3);
}

.object-number {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
}

.exhibition-object-titles strong {
  display: block;
  font-family: var(--font-cn-serif);
  font-size: var(--text-md);
  font-weight: 500;
}

.exhibition-object-titles em {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
}

.exhibition-object-meta {
  font-size: var(--text-xs);
  color: var(--color-ink-soft);
  line-height: 1.7;
}

.exhibition-object-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
}

.exhibition-object-index i {
  font-style: normal;
  color: var(--color-ink-faint);
  transition: transform var(--transition), color var(--transition);
}

.exhibition-object-index:hover i {
  transform: translate(3px, -3px);
  color: var(--color-accent);
}

.exhibition-endnote {
  margin-top: var(--sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  align-items: flex-start;
}

.exhibition-endnote p {
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
}

/* ============================================================
   VISIT PAGE
   ============================================================ */

.visit-hero {
  padding-top: var(--sp-9);
  padding-bottom: var(--sp-8);
}

.visit-title-row {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--sp-7);
  align-items: end;
}

.visit-title-row h1 {
  font-size: var(--text-2xl);
}

.visit-intro dl {
  display: flex;
  gap: var(--sp-5);
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--color-line);
}

.visit-intro dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
}

.visit-intro dd {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  margin-top: 2px;
}

.visit-route {
  padding-bottom: var(--sp-8);
}

.visit-space-list {
  border-top: 1px solid var(--color-line-strong);
}

.visit-space {
  display: grid;
  grid-template-columns: 80px 1fr 300px;
  gap: var(--sp-5);
  padding: var(--sp-7) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
}

.visit-node {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
}

.visit-space-copy h2 {
  margin-bottom: var(--sp-3);
}

.visit-space-copy p:not(.eyebrow) {
  color: var(--color-ink-soft);
  margin-bottom: var(--sp-4);
  max-width: 480px;
}

.visit-space-mark {
  font-family: var(--font-display);
  font-size: 100px;
  line-height: 0.8;
  color: var(--color-line);
  text-align: right;
}

/* Gallery map */
.visit-gallery-map {
  position: relative;
  border: 1px solid var(--color-line-strong);
  aspect-ratio: 16 / 10;
  padding: var(--sp-5);
}

.map-axis {
  position: absolute;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
}

.map-axis--top { top: 4px; left: 50%; transform: translateX(-50%); }
.map-axis--right { top: 50%; right: 4px; transform: translateY(-50%); }
.map-axis--bottom { bottom: 4px; left: 50%; transform: translateX(-50%); }
.map-axis--left { top: 50%; left: 4px; transform: translateY(-50%); }

.map-room {
  position: relative;
  width: 100%;
  height: 100%;
  border: 1px dashed var(--color-line-strong);
}

.map-door {
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg);
  padding: 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

.map-route {
  position: absolute;
  top: 20%;
  left: 20%;
  right: 20%;
  bottom: 20%;
  border: 1px dotted var(--color-cool);
}

.map-object {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--sp-2);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  min-width: 90px;
}

.map-object span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
}

.map-object strong {
  font-size: var(--text-sm);
  font-weight: 400;
}

.map-object small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-ink-faint);
}

.map-object--001 { top: 10%; left: 5%; }
.map-object--002 { top: 40%; right: 5%; }
.map-object--003 { bottom: 10%; left: 30%; }
.map-object--004 { bottom: 15%; right: 15%; }

.visit-footnote {
  display: flex;
  justify-content: space-between;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-hero {
  padding-top: var(--sp-9);
  padding-bottom: var(--sp-8);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-6);
  align-items: center;
}

.about-symbol {
  display: flex;
  gap: var(--sp-2);
}

.about-symbol span {
  display: block;
  width: 12px;
  height: 12px;
  border: 1px solid var(--color-ink);
}

.about-symbol span:nth-child(2) { background: var(--color-ink); }
.about-symbol span:nth-child(4) { background: var(--color-accent); border-color: var(--color-accent); }

.about-title h1 {
  font-size: var(--text-3xl);
}

.about-title p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
}

.about-title span {
  font-family: var(--font-cn-serif);
  font-size: var(--text-sm);
  letter-spacing: 0.15em;
  color: var(--color-ink-faint);
}

.about-vertical {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-ink-faint);
}

.about-mission {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--sp-7);
  padding-top: var(--sp-8);
  padding-bottom: var(--sp-8);
  border-top: 1px solid var(--color-line);
}

.about-section-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  padding-top: var(--sp-2);
}

.about-mission-copy h2 {
  margin-bottom: var(--sp-6);
}

.about-mission-copy h2 span {
  color: var(--color-accent);
}

.about-mission-copy > div {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.about-principle {
  background: var(--color-surface);
  padding: var(--sp-9) 0;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.about-principle-grid {
  display: grid;
  grid-template-columns: 200px 1fr 250px;
  gap: var(--sp-7);
  align-items: start;
}

.about-quote-mark {
  font-family: var(--font-display);
  font-size: 80px;
  line-height: 0.5;
  color: var(--color-line-strong);
}

.about-principle-grid ol {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.about-principle-grid ol li {
  display: flex;
  gap: var(--sp-3);
}

.about-principle-grid ol span {
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.about-institution {
  padding-top: var(--sp-9);
  padding-bottom: var(--sp-9);
}

.about-institution-content h2 {
  margin-bottom: var(--sp-7);
}

.institution-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--color-line);
}

.about-closing {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--sp-10) 0;
}

.about-closing-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-5);
}

.about-closing .eyebrow {
  color: rgba(232, 228, 218, 0.5);
}

.about-closing-statement {
  font-family: var(--font-cn-serif);
  font-size: var(--text-2xl);
  line-height: 1.5;
}

.about-closing-statement em {
  color: var(--color-mid);
}

.about-closing-links {
  display: flex;
  gap: var(--sp-5);
  align-items: center;
  margin-top: var(--sp-4);
}

.about-closing .round-link {
  border-color: var(--color-bg);
  color: var(--color-bg);
}

.about-closing .round-link:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}

.about-closing .text-link {
  color: var(--color-bg);
  border-color: rgba(232, 228, 218, 0.4);
}

/* ============================================================
   NOT FOUND
   ============================================================ */

.not-found {
  padding-top: var(--sp-10);
  padding-bottom: var(--sp-10);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
}

.not-found h1 {
  font-size: var(--text-2xl);
}

.not-found p:not(.eyebrow) {
  max-width: 400px;
  color: var(--color-ink-soft);
}

/* ============================================================
   RESPONSIVE — Pages
   ============================================================ */

@media (max-width: 1024px) {
  .home-hero {
    grid-template-columns: 60px 1fr;
    grid-template-rows: auto auto;
    gap: var(--sp-6);
  }

  .hero-atmosphere {
    grid-column: 2;
    grid-row: 2;
    height: 40vh;
    border-left: none;
    border-top: 1px solid var(--color-line);
  }

  .hero-side-note {
    display: none;
  }

  .hero-baseline {
    grid-column: 2;
  }

  .home-introduction {
    grid-template-columns: 1fr;
  }

  .home-marginalia {
    display: none;
  }

  .exhibition-title-grid {
    grid-template-columns: 80px 1fr;
  }

  .exhibition-deck {
    grid-column: 2;
  }

  .statement-columns {
    grid-template-columns: 1fr;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }

  .visit-title-row {
    grid-template-columns: 1fr;
  }

  .visit-space {
    grid-template-columns: 60px 1fr;
  }

  .visit-space-mark,
  .visit-gallery-map {
    grid-column: 2;
  }

  .about-principle-grid {
    grid-template-columns: 1fr;
  }

  .institution-notes {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .home-hero {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-top: var(--sp-7);
  }

  .hero-rail {
    display: none;
  }

  .hero-copy {
    padding-right: 0;
  }

  .hero-atmosphere {
    width: 100%;
    height: 300px;
  }

  .hero-baseline {
    width: 100%;
    flex-direction: column;
    gap: var(--sp-2);
  }

  .home-object-row {
    grid-template-columns: 30px 1fr 30px;
    gap: var(--sp-3);
  }

  .home-object-category {
    display: none;
  }

  .collection-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-3);
  }

  .exhibition-object-index {
    grid-template-columns: 60px 1fr 30px;
  }

  .exhibition-object-meta,
  .exhibition-object-count {
    display: none;
  }

  .exhibition-index-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-3);
  }

  .exhibition-index-heading p {
    text-align: left;
  }

  .visit-space {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }

  .visit-space-mark {
    display: none;
  }

  .about-hero {
    grid-template-columns: 1fr;
  }

  .about-vertical {
    writing-mode: horizontal-tb;
  }

  .visit-footnote {
    flex-wrap: wrap;
    gap: var(--sp-2);
  }
}