/* ============================================================
   ART HISTORY SECTION — chrome styles
   Built on JOVANA's design tokens (styles.css must load first).
   Namespaced (.art-*, scoped #artTimeline / #artIndex*) so it
   never collides with the main site's classes.
   ============================================================ */

/* ---------------- Slim section header ---------------- */
.art-nav{
  position:sticky; top:0; z-index:100;
  background:color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.art-nav-inner{
  width:min(1240px,94vw); margin-inline:auto;
  display:flex; align-items:center; gap:18px;
  padding:12px 0;
}
.art-nav .brand{ display:inline-flex; align-items:baseline; gap:9px; flex-shrink:0; }
.art-nav .brand-name{ font-family:var(--font-display); font-weight:700; font-size:20px; letter-spacing:.06em; color:var(--ink); }
.art-nav .brand-sub{ font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); }
.art-nav-sep{ width:1px; height:22px; background:var(--line); flex-shrink:0; }
.art-section-label{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--ink-soft); white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.art-section-label .dot{ display:inline-block; width:7px; height:7px; border-radius:50%; background:var(--accent-1); margin-right:8px; transform:translateY(-1px); }
.art-nav-right{ margin-left:auto; display:flex; align-items:center; gap:14px; }
.art-back{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em; color:var(--ink-soft); white-space:nowrap; transition:color .2s; }
.art-back:hover{ color:var(--accent-ink); }
@media (max-width:720px){
  .art-section-label{ display:none; }
  .art-nav-sep{ display:none; }
}

/* ---------------- Hero ---------------- */
.art-hero{ width:min(1240px,94vw); margin:clamp(48px,8vh,96px) auto 0; position:relative; }
.art-hero-eyebrow{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent-ink); margin-bottom:26px; display:flex; align-items:center; gap:14px;
}
.art-hero-eyebrow::before{ content:""; flex:0 0 54px; height:1px; background:var(--accent-1); }
.art-hero-eyebrow::after{ content:""; flex:1; height:1px; background:var(--line); }
.art-hero-title{
  font-family:var(--font-display); font-weight:600; font-size:clamp(46px,8vw,118px);
  line-height:.98; letter-spacing:-0.02em; color:var(--ink); margin-bottom:10px; max-width:16ch;
}
.art-hero-title .it{ font-style:italic; color:var(--accent-ink); }
.art-hero-title .small{
  display:block; font-family:var(--font-cjk-serif); font-style:italic; font-weight:400;
  font-size:.30em; line-height:1.35; color:var(--ink-soft); margin-top:18px; max-width:32ch;
}
.art-hero-note{ font-family:var(--font-mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-faint); margin-top:18px; }
.art-hero-meta{
  display:grid; grid-template-columns:1.5fr 1fr; gap:clamp(28px,5vw,64px);
  margin-top:clamp(36px,5vh,56px); padding-top:30px; border-top:1px solid var(--line);
}
.art-hero-lede{ font-family:var(--font-cjk-serif); font-size:clamp(17px,1.4vw,19.5px); line-height:1.78; color:var(--ink-soft); }
.art-hero-lede p + p{ margin-top:16px; }
.art-hero-lede strong{ font-weight:600; color:var(--ink); border-bottom:1px solid var(--accent-1); padding-bottom:1px; }
.art-hero-stats{ display:grid; grid-template-columns:1fr 1fr; gap:20px 28px; align-content:start; }
.art-stat{ border-left:2px solid var(--accent-1); padding-left:15px; }
.art-stat-num{ font-family:var(--font-display); font-weight:600; font-size:38px; line-height:1; letter-spacing:-0.01em; }
.art-stat-label{ font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-faint); margin-top:6px; }

/* ---------------- Timeline ---------------- */
.art-timeline{ width:min(1240px,94vw); margin:38px auto 0; }
#artTimeline{ position:relative; height:120px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
#artTimeline .tl-axis{ position:absolute; left:0; right:0; top:50%; height:1px; background:var(--ink); opacity:.35; }
#artTimeline .tl-tick{ position:absolute; top:50%; transform:translate(-50%,-50%); display:flex; flex-direction:column; align-items:center; gap:4px; }
#artTimeline .tl-tick .bar{ width:1px; height:14px; background:var(--ink); opacity:.5; }
#artTimeline .tl-tick .yr{ font-family:var(--font-mono); font-size:10px; letter-spacing:.08em; color:var(--ink-faint); margin-top:22px; }
#artTimeline .tl-dot{ position:absolute; top:50%; transform:translate(-50%,-50%); }
#artTimeline .tl-dot::before{ content:""; display:block; width:8px; height:8px; border-radius:50%; background:var(--ink); transition:all .2s; }
#artTimeline .tl-dot:hover::before{ background:var(--accent-1); transform:scale(1.6); }
#artTimeline .tl-dot .label{ position:absolute; left:50%; bottom:14px; transform:translateX(-50%) rotate(-32deg); transform-origin:left bottom; font-family:var(--font-mono); font-size:10px; white-space:nowrap; color:var(--ink-soft); letter-spacing:.04em; opacity:0; transition:opacity .2s; pointer-events:none; }
#artTimeline .tl-dot:hover .label{ opacity:1; }
#artTimeline .tl-dot.dot-below .label{ bottom:auto; top:14px; transform:translateX(-50%) rotate(32deg); transform-origin:left top; }

/* ---------------- Manifesto ---------------- */
.art-manifesto{ width:min(1240px,94vw); margin:clamp(64px,10vh,96px) auto 0; display:grid; grid-template-columns:1fr 2fr; gap:clamp(28px,5vw,64px); align-items:start; }
.art-manifesto-eyebrow{ font-family:var(--font-mono); font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--accent-ink); padding-top:8px; border-top:2px solid var(--ink); }
.art-manifesto-eyebrow .num{ display:block; font-family:var(--font-display); font-style:italic; font-weight:600; font-size:clamp(34px,4vw,52px); line-height:1.06; letter-spacing:-0.01em; color:var(--ink); margin-top:16px; text-transform:none; }
.art-manifesto-eyebrow .num em{ color:var(--accent-ink); }
.art-manifesto-body{ font-family:var(--font-cjk-serif); font-size:clamp(16px,1.3vw,18px); line-height:1.78; color:var(--ink-soft); column-count:2; column-gap:40px; column-rule:1px solid var(--line-soft); }
.art-manifesto-body p + p{ margin-top:14px; }
.art-manifesto-body p:first-child::first-letter{ font-family:var(--font-display); font-weight:600; font-size:58px; line-height:.82; float:left; padding:6px 10px 0 0; color:var(--accent-ink); }
.art-manifesto-body em{ font-style:italic; color:var(--accent-ink); border-bottom:1px solid var(--accent-1); padding-bottom:1px; }

/* ---------------- View switch ---------------- */
.view-switch{ width:min(1240px,94vw); margin:clamp(64px,10vh,96px) auto 0; padding-top:34px; display:grid; grid-template-columns:1fr auto; gap:28px; align-items:end; border-top:1px solid var(--line); }
.view-switch .vs-label{ font-family:var(--font-display); font-weight:600; font-style:italic; font-size:clamp(34px,4.6vw,58px); line-height:1; letter-spacing:-0.02em; color:var(--ink); }
.view-switch .vs-label .accent{ color:var(--accent-ink); }
.view-switch .vs-label .sub{ display:block; font-family:var(--font-mono); font-style:normal; font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-faint); margin-top:13px; }
.view-switch .tabs{ display:inline-flex; border:1px solid var(--ink); background:var(--surface); padding:3px; }
.view-switch .tabs button{ background:transparent; border:none; padding:10px 20px; font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-soft); cursor:pointer; transition:all .18s ease; }
.view-switch .tabs button:hover{ color:var(--ink); }
.view-switch .tabs button.active{ background:var(--ink); color:var(--surface); }

/* ---------------- Index ---------------- */
.art-index{ width:min(1240px,94vw); margin:30px auto 0; padding-bottom:clamp(72px,12vh,120px); }
.art-index[data-view="chrono"] #artIndexCatGrid{ display:none; }
.art-index[data-view="cat"] #artIndexGrid{ display:none; }
.index-title{ font-family:var(--font-mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:26px; padding-bottom:14px; border-bottom:1px solid var(--line-soft); display:flex; justify-content:space-between; align-items:baseline; gap:16px; }
.index-title .accent{ color:var(--accent-ink); }

/* chronological grid */
#artIndexGrid{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--ink); }
#artIndexGrid .index-col{ padding:30px 26px 30px 0; border-right:1px solid var(--line-soft); }
#artIndexGrid .index-col:last-child{ border-right:none; }
#artIndexGrid .index-col:not(:first-child){ padding-left:26px; }
#artIndexGrid .index-era-group + .index-era-group{ margin-top:34px; padding-top:26px; border-top:1px dotted var(--line); }
#artIndexGrid .index-era-label{ font-family:var(--font-display); font-style:italic; font-weight:600; font-size:25px; line-height:1.05; letter-spacing:-0.01em; color:var(--ink); margin-bottom:4px; }
#artIndexGrid .index-era-label .accent{ color:var(--accent-ink); }
#artIndexGrid .index-era-label em{ font-style:italic; }
#artIndexGrid .index-era-span{ font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:16px; display:block; }
#artIndexGrid .index-list li{ padding:11px 0; border-bottom:1px dotted var(--line-soft); }
#artIndexGrid .index-list li:last-child{ border-bottom:none; }
#artIndexGrid .index-list a{ display:grid; grid-template-columns:1fr auto; align-items:baseline; gap:12px; transition:color .18s; }
#artIndexGrid .index-list a:hover .nm, #artIndexGrid .index-list a:hover .eng, #artIndexGrid .index-list a:hover .yr{ color:var(--accent-ink); }
#artIndexGrid .index-list .nm{ font-family:var(--font-cjk-serif); font-weight:600; font-size:16px; line-height:1.2; color:var(--ink); display:block; }
#artIndexGrid .index-list .eng{ font-family:var(--font-display); font-style:italic; font-size:12.5px; color:var(--ink-faint); display:block; margin-top:2px; }
#artIndexGrid .index-list .yr{ font-family:var(--font-mono); font-size:10px; color:var(--ink-faint); letter-spacing:.08em; padding-top:3px; }

/* categorical grid */
#artIndexCatGrid{ display:grid; grid-template-columns:repeat(2,1fr); border-top:1px solid var(--ink); }
#artIndexCatGrid .index-cat{ padding:42px 38px 42px 0; border-right:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft); }
#artIndexCatGrid .index-cat:nth-child(2n){ border-right:none; padding-left:38px; padding-right:0; }
#artIndexCatGrid .index-cat:nth-last-child(-n+2){ border-bottom:none; }
#artIndexCatGrid .index-cat-head{ display:grid; grid-template-columns:auto 1fr auto; align-items:baseline; gap:20px; padding-bottom:18px; border-bottom:1px solid var(--line); margin-bottom:20px; }
#artIndexCatGrid .index-cat-head .num{ font-family:var(--font-display); font-style:italic; font-weight:600; font-size:52px; line-height:1; color:var(--accent-ink); }
#artIndexCatGrid .index-cat-head h3{ font-family:var(--font-display); font-weight:600; font-size:30px; line-height:1.06; letter-spacing:-0.01em; color:var(--ink); }
#artIndexCatGrid .index-cat-head h3 .en{ display:block; font-style:italic; font-weight:500; font-size:.5em; color:var(--ink-faint); margin-top:4px; }
#artIndexCatGrid .index-cat-head .count{ font-family:var(--font-mono); font-size:10px; color:var(--ink-faint); letter-spacing:.12em; text-transform:uppercase; text-align:right; line-height:1.55; }
#artIndexCatGrid .index-cat-head .count strong{ color:var(--accent-ink); font-weight:600; }
#artIndexCatGrid .index-cat-desc{ font-family:var(--font-cjk-serif); font-size:14.5px; line-height:1.75; color:var(--ink-soft); margin-bottom:20px; max-width:56ch; }
#artIndexCatGrid .index-cat-items{ display:grid; grid-template-columns:repeat(2,1fr); }
#artIndexCatGrid .index-cat-items a{ padding:13px 16px 13px 0; display:grid; grid-template-columns:auto 1fr; gap:13px; align-items:baseline; border-top:1px dotted var(--line-soft); transition:color .18s; }
#artIndexCatGrid .index-cat-items a:nth-child(2n){ padding-left:16px; padding-right:0; border-left:1px dotted var(--line-soft); }
#artIndexCatGrid .index-cat-items a:hover .nm, #artIndexCatGrid .index-cat-items a:hover .yr{ color:var(--accent-ink); }
#artIndexCatGrid .index-cat-items .yr{ font-family:var(--font-mono); font-size:10px; color:var(--ink-faint); letter-spacing:.08em; padding-top:3px; }
#artIndexCatGrid .index-cat-items .nm{ font-family:var(--font-cjk-serif); font-weight:600; font-size:16px; color:var(--ink); line-height:1.2; }
#artIndexCatGrid .index-cat-items .en{ font-family:var(--font-display); font-style:italic; font-size:12.5px; color:var(--ink-faint); display:block; margin-top:2px; }

/* ---------------- Reveal ---------------- */
.art-reveal{ opacity:0; transform:translateY(22px); }
.art-reveal.in{ opacity:1; transform:none; transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
@media (prefers-reduced-motion:reduce){
  .art-reveal{ opacity:1 !important; transform:none !important; transition:none !important; }
}

/* ============================================================
   DETAIL-PAGE SCAFFOLDING (JOVANA chrome around each movement)
   Used by art-<id>.html. The movement's own bespoke styling
   lives in that page's inline <style>; these classes only frame it.
   ============================================================ */
.art-breadcrumb{ width:min(1240px,94vw); margin:26px auto 0; font-family:var(--font-mono); font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-faint); display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.art-breadcrumb a{ color:var(--ink-soft); transition:color .2s; }
.art-breadcrumb a:hover{ color:var(--accent-ink); }
.art-breadcrumb .sep{ opacity:.5; }
.art-breadcrumb .cur{ color:var(--accent-ink); }

/* Deep dive — Origin / Look / Key / Impact */
.art-deepdive{ width:min(1100px,92vw); margin:clamp(56px,9vh,96px) auto 0; }
.art-deepdive-eyebrow{ font-family:var(--font-mono); font-size:12px; letter-spacing:.22em; text-transform:uppercase; color:var(--accent-ink); display:flex; align-items:center; gap:13px; margin-bottom:10px; }
.art-deepdive-eyebrow::before{ content:""; width:26px; height:1px; background:var(--accent-1); }
.art-deepdive-title{ font-family:var(--font-display); font-weight:600; font-size:clamp(28px,3.6vw,46px); line-height:1.08; letter-spacing:-0.01em; color:var(--ink); margin-bottom:clamp(32px,5vh,52px); }
.art-deepdive-title .em{ font-style:italic; color:var(--accent-ink); }
.art-field{ display:grid; grid-template-columns:180px 1fr; gap:28px; padding:26px 0; border-top:1px solid var(--line); }
.art-field:last-of-type{ border-bottom:1px solid var(--line); }
.art-field-label{ font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); }
.art-field-label .n{ display:block; font-family:var(--font-display); font-style:italic; font-size:30px; color:var(--accent-ink); margin-bottom:6px; }
.art-field-body{ font-family:var(--font-cjk-serif); font-size:clamp(16px,1.3vw,18px); line-height:1.78; color:var(--ink-soft); max-width:66ch; }
.art-field-body strong{ color:var(--ink); font-weight:600; }
.art-field-body em{ font-style:italic; color:var(--accent-ink); }
.art-field-body ul{ list-style:none; }
.art-field-body li{ position:relative; padding-left:22px; margin-bottom:8px; }
.art-field-body li::before{ content:"▸"; position:absolute; left:0; color:var(--accent-1); }
@media (max-width:720px){ .art-field{ grid-template-columns:1fr; gap:10px; } }

/* Memory cheatsheet */
.art-memory{ width:min(1100px,92vw); margin:clamp(40px,6vh,64px) auto 0; background:var(--ink); color:var(--bg); border-radius:18px; padding:clamp(30px,5vw,52px); }
.art-memory-label{ font-family:var(--font-mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; color:var(--accent-2); margin-bottom:22px; }
.art-memory ol{ list-style:none; counter-reset:m; display:grid; gap:16px; }
.art-memory li{ counter-increment:m; display:grid; grid-template-columns:auto 1fr; gap:18px; align-items:start; font-family:var(--font-cjk-serif); font-size:clamp(16px,1.3vw,18.5px); line-height:1.6; color:rgba(244,240,232,.86); }
.art-memory li::before{ content:counter(m,decimal-leading-zero); font-family:var(--font-mono); font-size:13px; color:var(--bg); background:var(--accent-1); width:30px; height:30px; border-radius:50%; display:grid; place-items:center; }
.art-memory li strong{ color:#fff; font-weight:600; }
.art-memory li em{ font-style:italic; color:var(--accent-2); }

/* Reference gallery */
.art-gallery{ width:min(1100px,92vw); margin:clamp(40px,6vh,64px) auto 0; }
.art-gallery-head{ font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:18px; padding-bottom:12px; border-bottom:1px solid var(--line-soft); }
.art-gallery-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:24px; }
.art-figure{ border:1px solid var(--line); border-radius:12px; overflow:hidden; background:var(--surface); transition:transform .3s, box-shadow .3s; }
.art-figure:hover{ transform:translateY(-3px); box-shadow:var(--shadow-md); }
.art-figure .ph{ aspect-ratio:16/10; overflow:hidden; background:repeating-linear-gradient(45deg, var(--bg-warm) 0 10px, var(--surface) 10px 20px); }
.art-figure img{ width:100%; height:100%; object-fit:cover; transition:transform .4s; }
.art-figure:hover img{ transform:scale(1.04); }
.art-figcap{ padding:14px 16px; }
.art-figcap .cap{ font-family:var(--font-display); font-style:italic; font-size:15px; color:var(--ink); line-height:1.3; }
.art-figcap .cred{ font-family:var(--font-mono); font-size:10.5px; letter-spacing:.04em; color:var(--ink-faint); margin-top:6px; }

/* Prev / next + back to index */
.art-pager{ width:min(1100px,92vw); margin:clamp(56px,9vh,90px) auto 0; display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.art-pager a{ border:1px solid var(--line); border-radius:14px; padding:22px 24px; transition:border-color .2s, transform .2s, background .2s; background:var(--surface); }
.art-pager a:hover{ border-color:var(--accent-1); transform:translateY(-2px); }
.art-pager .dir{ font-family:var(--font-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); }
.art-pager .pg-name{ font-family:var(--font-display); font-weight:600; font-size:22px; color:var(--ink); margin-top:8px; }
.art-pager .pg-name .yr{ font-family:var(--font-mono); font-size:12px; color:var(--ink-faint); margin-left:8px; }
.art-pager .next{ text-align:right; }
.art-pager .disabled{ opacity:.4; pointer-events:none; }
.art-backindex{ width:min(1100px,92vw); margin:26px auto 0; text-align:center; }
@media (max-width:640px){ .art-pager{ grid-template-columns:1fr; } }

/* ---------------- Responsive ---------------- */
@media (max-width:980px){
  .art-hero-meta{ grid-template-columns:1fr; gap:28px; }
  .art-manifesto{ grid-template-columns:1fr; gap:24px; }
  .art-manifesto-body{ column-count:1; }
  .view-switch{ grid-template-columns:1fr; gap:18px; }
  #artIndexGrid{ grid-template-columns:repeat(2,1fr); }
  #artIndexCatGrid{ grid-template-columns:1fr; }
  #artIndexCatGrid .index-cat{ padding:30px 0; border-right:none; }
  #artIndexCatGrid .index-cat:nth-child(2n){ padding-left:0; }
  .art-timeline{ display:none; }
}
@media (max-width:560px){
  #artIndexGrid{ grid-template-columns:1fr; }
}