/* Historical work extends the established exhibition layout. */
.heritage-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 30px; }
.heritage-card { min-width: 0; background: #fff; display: flex; flex-direction: column; }
.heritage-picture { margin: 0; overflow: hidden; aspect-ratio: 3/2; }
.heritage-picture img { display: block; width: 100%; height: 100%; object-fit: cover; }
.heritage-copy { padding: 28px; display: flex; flex: 1; flex-direction: column; align-items: stretch; }
.heritage-meta { display: flex; gap: 14px; align-items: baseline; margin: 0 0 23px; color: var(--red); font-size: .875rem; line-height: 1.5; }
.heritage-meta > span { font-variant-numeric: tabular-nums; font-weight: 700; }
.heritage-copy h3 { font-size: clamp(1.5rem,2vw,1.9rem); line-height: 1.2; letter-spacing: -.035em; margin: 0 0 20px; }
.heritage-copy > p:not(.heritage-meta) { font-size: 1rem; line-height: 1.75; margin: 0 0 24px; }
.heritage-programmes { margin-top: auto; border-top: 1px solid var(--line); }
.heritage-programmes > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-block: 18px 6px; font-size: .875rem; font-weight: 650; line-height: 1.6; }
.heritage-programmes > summary::-webkit-details-marker, .portfolio-group > summary::-webkit-details-marker { display: none; }
.heritage-programmes > summary span { color: var(--red); font-size: 1.4rem; flex: 0 0 auto; }
.heritage-programmes[open] > summary span { transform: rotate(45deg); }
.heritage-programmes ul { padding-left: 18px; margin: 16px 0 0; font-size: .9375rem; }
.heritage-programmes li { padding: 0 0 10px 4px; line-height: 1.65; }
.heritage-programmes li::marker { color: var(--red); }
.heritage-secondary { margin-top: 30px; }
.heritage-card.text-only { background: transparent; border-top: 2px solid var(--red); }
.heritage-card.text-only .heritage-copy { padding: 28px 0 0; }
.portfolio-subhead { display: flex; justify-content: space-between; align-items: baseline; gap: 28px 60px; margin: 70px 0 28px; }
.portfolio-subhead h3 { font-size: clamp(1.6rem,2.5vw,2.2rem); line-height: 1.25; letter-spacing: -.035em; }
.portfolio-subhead p { max-width: 42ch; font-size: 1rem; line-height: 1.75; }
.portfolio-index { border-top: 1px solid var(--line); }
.portfolio-group { border-bottom: 1px solid var(--line); }
.portfolio-group > summary { display: grid; grid-template-columns: 45px minmax(0,1fr) 30px; align-items: center; gap: 24px; list-style: none; padding: 27px 0; cursor: pointer; }
.portfolio-group > summary h3 { margin: 0; font-size: clamp(1.125rem,1.7vw,1.55rem); line-height: 1.45; font-weight: 550; letter-spacing: -.02em; }
.portfolio-count { color: var(--red); font-variant-numeric: tabular-nums; font-size: .875rem; }
.portfolio-toggle { color: var(--red); font-size: 1.8rem; text-align: center; line-height: 1; }
.portfolio-group[open] .portfolio-toggle { transform: rotate(45deg); }
.portfolio-group[open] > summary h3 { color: var(--red); }
.portfolio-group > ul { list-style: none; margin: 0; padding: 0 0 24px 69px; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 54px; }
.portfolio-group > ul > li { padding: 14px 0; font-size: 1rem; line-height: 1.6; border-top: 1px solid var(--line); break-inside: avoid; }
.portfolio-group > summary:focus-visible, .heritage-programmes > summary:focus-visible { outline: 2px solid var(--red); outline-offset: 5px; }
.event-cases { display: grid; grid-template-columns: minmax(0,.85fr) minmax(0,1.15fr); gap: 30px; }
.event-case { min-width: 0; background: var(--soft,#f3f4f5); }
.event-case-copy { padding: clamp(28px,3.5vw,52px); }
.event-case h3 { margin: 0 0 18px; font-size: clamp(1.7rem,2.5vw,2.6rem); line-height: 1.2; letter-spacing: -.04em; }
.event-case-copy > p { font-size: 1rem; line-height: 1.75; }
.event-case-copy .event-case-year { color: var(--red); margin: 0 0 30px; font-size: .9375rem; font-variant-numeric: tabular-nums; }
.event-case-copy .event-case-subtitle { font-weight: 650; margin: 0 0 18px; }
.typographic-case { display: flex; align-items: flex-end; background: #171820; color: #fff; border-top: 3px solid var(--red); }
.typographic-case .event-case-copy { padding-top: 55px; }
.typographic-case .event-case-year { font-size: clamp(4.5rem,7.2vw,7.5rem); line-height: 1; letter-spacing: -.06em; color: #ff8086; margin-bottom: 58px; }
.typographic-case .event-case-subtitle { color: #ffafb3; }
.event-case-film { display: block; position: relative; aspect-ratio: 16/9; overflow: hidden; background: #171820; }
.event-case-film > img { width: 100%; height: 100%; object-fit: cover; }
.event-case-film .play-disc { position: absolute; right: 24px; bottom: 24px; width: 60px; height: 60px; background: #fff; color: #171820; display: grid; place-items: center; border-radius: 50%; }
.event-case-film .play-disc svg { width: 22px; height: 22px; fill: currentColor; }
.event-case-film:focus-visible { outline: 3px solid var(--red); outline-offset: 5px; }
.mission-records, .project-paths { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 36px; }
.mission-record, .project-path { min-width: 0; border-top: 2px solid var(--red); padding-top: 28px; }
.mission-record .number, .project-path .number { display: block; margin-bottom: 26px; font-size: .875rem; color: var(--red); }
.mission-record h3, .project-path h3 { font-size: clamp(1.35rem,2vw,1.8rem); line-height: 1.3; margin-bottom: 25px; }
.mission-record ul { list-style: none; padding: 0; margin: 0; }
.mission-record li { border-top: 1px solid var(--line); padding: 17px 0; font-size: 1rem; line-height: 1.7; }
.project-path { display: flex; flex-direction: column; align-items: flex-start; }
.project-path p { font-size: 1rem; line-height: 1.75; margin-bottom: 28px; }
.project-path .text-link { margin-top: auto; }
@media (hover:hover) and (prefers-reduced-motion:no-preference) {
 .heritage-picture img { transition: transform 700ms cubic-bezier(.2,.7,.2,1); }
 .heritage-card:hover .heritage-picture img { transform: scale(1.025); }
 .event-case-film .play-disc, .portfolio-toggle, .heritage-programmes > summary span { transition: transform 220ms ease; }
 .event-case-film:hover .play-disc { transform: scale(1.08); }
}
@media(max-width:1050px) {
 .heritage-grid { gap: 22px; }
 .heritage-copy { padding: 22px; }
 .event-cases { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
 .mission-records, .project-paths { gap: 26px; }
}
@media(max-width:800px) {
 .heritage-grid, .mission-records, .project-paths { grid-template-columns: 1fr; gap: 35px; }
 .heritage-card.has-photo { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); }
 .heritage-picture { height: 100%; aspect-ratio: auto; min-height: 260px; }
 .heritage-copy { padding: 28px; }
 .heritage-secondary { margin-top: 44px; }
 .event-cases { grid-template-columns: 1fr; }
 .typographic-case .event-case-year { margin-bottom: 35px; }
 .portfolio-subhead { display: block; margin-top: 48px; }
 .portfolio-subhead p { margin-top: 18px; }
 .portfolio-group > ul { column-gap: 28px; }
}
@media(max-width:560px) {
 .heritage-card.has-photo { display: flex; }
 .heritage-picture { aspect-ratio: 3/2; min-height: 0; height: auto; }
 .heritage-copy { padding: 24px; }
 .portfolio-group > summary { grid-template-columns: 25px minmax(0,1fr) 24px; gap: 14px; padding-block: 23px; }
 .portfolio-group > ul { grid-template-columns: 1fr; padding-left: 39px; }
 .event-case-copy { padding: 28px; }
 .event-case-film .play-disc { width: 48px; height: 48px; right: 18px; bottom: 18px; }
}
@media(prefers-reduced-motion:reduce) {
 .heritage-picture img, .event-case-film .play-disc, .portfolio-toggle, .heritage-programmes > summary span { transition: none!important; }
}

.event-production .play-link { margin-top: 20px; color: var(--red); }
.event-production .play-disc { border-color: currentColor; flex: 0 0 52px; width: 52px; height: 52px; }
.event-production .play-link:hover .play-disc { color: #fff; }