:root {
    --museum-ink: #100d0b;
    --museum-paper: #eee9df;
    --museum-paper-muted: #c7beb0;
    --museum-brass: #b69862;
    --museum-wine: #6f2730;
    --museum-green: #30453d;
    --museum-spring: cubic-bezier(.16, 1, .3, 1);
    --museum-soft: cubic-bezier(.22, .61, .36, 1);
}

.museum-document { scroll-behavior: auto; }

.museum-page {
    background: var(--museum-ink);
    color: var(--museum-paper);
    overscroll-behavior-y: none;
}

.museum-page::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(90deg, transparent 49.8%, rgba(255,255,255,.018) 50%, transparent 50.2%),
        radial-gradient(circle at 50% 0, rgba(182,152,98,.12), transparent 32%),
        #100d0b;
}

.museum-loader {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-content: center;
    justify-items: center;
    gap: .85rem;
    background: #0d0b09;
    transition: opacity .7s ease, visibility .7s ease;
}

.museum-loader.is-finished { opacity: 0; visibility: hidden; }
.museum-loader-mark {
    display: grid;
    place-items: center;
    width: 5rem;
    height: 5rem;
    border: 1px solid var(--museum-brass);
    color: var(--museum-brass);
    font-size: 2.8rem;
    animation: museum-loader-breathe 2.2s var(--museum-soft) infinite;
}
.museum-loader p { margin: 0; color: var(--museum-paper-muted); letter-spacing: .2em; }
.museum-loader small { color: var(--museum-brass); }
.museum-loader-track { width: min(18rem, 70vw); height: 1px; background: rgba(255,255,255,.12); }
.museum-loader-track span { display: block; width: 0; height: 100%; background: var(--museum-brass); transition: width .25s ease; }
@keyframes museum-loader-breathe {
    50% { transform: scale(.94); border-color: rgba(182,152,98,.48); }
}

.museum-app { opacity: 0; transition: opacity .8s ease; }
.museum-app.is-ready { opacity: 1; }
.museum-topbar {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
    padding: 0 clamp(1rem, 4vw, 3rem);
    border-bottom: 1px solid rgba(238,233,223,.11);
    background: rgba(16,13,11,.74);
    backdrop-filter: blur(18px);
    transition: height .45s var(--museum-spring), background-color .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.museum-topbar.is-scrolled {
    height: 3.8rem;
    background: rgba(16,13,11,.9);
    border-bottom-color: rgba(238,233,223,.16);
    box-shadow: 0 10px 35px rgba(0,0,0,.18);
}
.museum-wordmark {
    color: var(--museum-paper-muted); font-size: .65rem; letter-spacing: .36em;
    transition: color .3s ease, opacity .3s ease;
}
.museum-topbar.is-scrolled .museum-wordmark { color: var(--museum-paper); }
.museum-top-actions {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
}
.museum-icon-button {
    display: inline-grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 1px solid rgba(238,233,223,.2);
    border-radius: 50%;
    color: var(--museum-paper);
    background: rgba(255,255,255,.035);
    cursor: pointer;
    transition: color .25s ease, border-color .25s ease, background .25s ease, transform .35s var(--museum-spring), box-shadow .35s ease;
}
.museum-icon-button:hover { color: var(--museum-brass); border-color: var(--museum-brass); background: rgba(182,152,98,.08); transform: scale(1.06); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.museum-icon-button:active { transform: scale(.92); transition-duration: .12s; }
.museum-icon-button svg { width: 1.05rem; height: 1.05rem; }
.museum-page .page-music-toggle {
    width: 2.5rem;
    height: 2.5rem;
    color: rgba(238,233,223,.5);
    border-color: rgba(238,233,223,.2);
    background: rgba(255,255,255,.035);
    box-shadow: none;
}
.museum-page .page-music-toggle:hover,
.museum-page .page-music-toggle:focus-visible,
.museum-page .page-music-toggle.is-playing {
    color: var(--museum-brass);
    border-color: var(--museum-brass);
    background: rgba(182,152,98,.08);
}

.museum-vestibule {
    position: relative;
    min-height: 100svh;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 7rem 1.5rem 4rem;
}
.museum-hero-image-wrap {
    position: absolute; inset: -4%;
    transform: translate3d(var(--museum-pointer-x, 0), calc(var(--museum-hero-shift, 0px) + var(--museum-pointer-y, 0px)), 0);
    will-change: transform;
}
.museum-hero-image {
    width: 100%; height: 100%; object-fit: cover; filter: saturate(.55) brightness(.48); transform: scale(1.06);
    animation: museum-hero-arrive 1.8s var(--museum-spring) both;
}
@keyframes museum-hero-arrive {
    from { transform: scale(1.13); filter: saturate(.3) brightness(.35); }
}
.museum-hero-shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(16,13,11,.55), rgba(16,13,11,.12) 42%, rgba(16,13,11,.86)),
        linear-gradient(90deg, rgba(16,13,11,.72), transparent 35%, transparent 65%, rgba(16,13,11,.72));
}
.museum-vestibule-content {
    position: relative; z-index: 2; width: min(55rem, 100%); text-align: center;
    opacity: var(--museum-hero-opacity, 1);
    transform: translate3d(0, var(--museum-copy-shift, 0px), 0);
    will-change: opacity, transform;
}
.museum-app.is-ready .museum-vestibule-content > * {
    animation: museum-hero-copy-in .9s var(--museum-spring) both;
}
.museum-app.is-ready .museum-vestibule-content > *:nth-child(2) { animation-delay: .08s; }
.museum-app.is-ready .museum-vestibule-content > *:nth-child(3) { animation-delay: .14s; }
.museum-app.is-ready .museum-vestibule-content > *:nth-child(4) { animation-delay: .2s; }
.museum-app.is-ready .museum-vestibule-content > *:nth-child(5) { animation-delay: .26s; }
@keyframes museum-hero-copy-in {
    from { opacity: 0; transform: translateY(26px); filter: blur(8px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}
.museum-eyebrow, .museum-section-number { color: var(--museum-brass); font-size: .68rem; letter-spacing: .28em; text-transform: uppercase; }
.museum-vestibule h1 {
    margin: 1rem 0 .8rem;
    color: var(--museum-paper);
    font-size: clamp(3.8rem, 12vw, 8.4rem);
    line-height: 1;
    text-shadow: 0 16px 50px rgba(0,0,0,.55);
}
.museum-vestibule-content > p { max-width: 37rem; margin: 0 auto; color: #ded6ca; line-height: 2; letter-spacing: .08em; }
.museum-establishment { display: flex; justify-content: center; gap: .65rem; margin-top: 1.2rem; color: var(--museum-paper-muted); font-size: .75rem; letter-spacing: .16em; }
.museum-establishment b { color: var(--museum-paper); font-weight: 400; }
.museum-enter-button {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    min-height: 3.1rem;
    margin-top: 2.4rem;
    padding: 0 1.4rem;
    border: 1px solid rgba(238,233,223,.5);
    color: var(--museum-paper);
    text-decoration: none;
    letter-spacing: .12em;
    transition: color .3s ease, background .3s ease, border-color .3s ease, transform .4s var(--museum-spring), box-shadow .35s ease;
}
.museum-enter-button:hover { color: var(--museum-ink); background: var(--museum-paper); border-color: var(--museum-paper); transform: translateY(-3px); box-shadow: 0 14px 38px rgba(0,0,0,.25); }
.museum-enter-button:active { transform: scale(.97); transition-duration: .12s; }
.museum-enter-button svg { width: 1rem; height: 1rem; }
.museum-open-sign { position: absolute; left: clamp(1rem, 4vw, 3rem); bottom: 2rem; z-index: 2; display: flex; align-items: center; gap: .55rem; color: var(--museum-paper-muted); font-size: .7rem; letter-spacing: .16em; }
.museum-open-sign span { width: .45rem; height: .45rem; border-radius: 50%; background: #7faf85; box-shadow: 0 0 12px rgba(127,175,133,.7); animation: museum-open-pulse 2.3s ease-in-out infinite; }
@keyframes museum-open-pulse { 50% { opacity: .52; box-shadow: 0 0 4px rgba(127,175,133,.4); } }

.museum-collection { width: min(78rem, 100%); margin: 0 auto; padding: 7rem 1.25rem; }
.museum-collection-head { display: grid; justify-items: center; text-align: center; }
.museum-collection-head h2 { margin: .6rem 0 .4rem; font-size: clamp(2.8rem, 7vw, 4.7rem); font-weight: 400; }
.museum-collection-head p { margin: 0; max-width: 35rem; color: var(--museum-paper-muted); line-height: 1.9; }
.museum-hall-tabs {
    display: flex; justify-content: center; gap: 0; margin: 3rem 0; overflow-x: auto;
    scrollbar-width: none; -ms-overflow-style: none;
}
.museum-hall-tabs::-webkit-scrollbar { display: none; width: 0; height: 0; }
.museum-hall-tabs button {
    flex: 0 0 auto;
    min-height: 2.8rem;
    padding: 0 1.1rem;
    border: 0;
    border-bottom: 1px solid rgba(238,233,223,.16);
    color: var(--museum-paper-muted);
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    transition: color .3s ease, border-color .3s ease, transform .35s var(--museum-spring), background-color .3s ease;
}
.museum-hall-tabs small { color: var(--museum-brass); font-size: .6rem; opacity: .72; }
.museum-hall-tabs button:hover { color: var(--museum-paper); background: rgba(255,255,255,.025); }
.museum-hall-tabs button:active { transform: scale(.95); transition-duration: .12s; }
.museum-hall-tabs button.is-active { color: var(--museum-paper); border-bottom-color: var(--museum-brass); transform: translateY(-2px); }

.museum-reveal {
    opacity: 0;
    transform: translate3d(0, 34px, 0);
    filter: blur(7px);
    transition: opacity .8s ease, transform .9s var(--museum-spring), filter .7s ease;
}
.museum-reveal.is-visible { opacity: 1; transform: translate3d(0,0,0); filter: blur(0); }

.museum-collection-list { display: grid; gap: clamp(4.5rem, 9vw, 7.5rem); }
.museum-hall-section { min-width: 0; }
.museum-hall-head {
    display: grid;
    grid-template-columns: 6.5rem minmax(0,1fr) auto;
    align-items: end;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.15rem;
    border-bottom: 1px solid rgba(238,233,223,.18);
    transition-delay: var(--hall-delay, 0ms);
}
.museum-hall-index, .museum-hall-count { color: var(--museum-brass); font-size: .66rem; letter-spacing: .14em; }
.museum-hall-head h3 { margin: 0; font-size: clamp(2.1rem, 4.5vw, 3.35rem); font-weight: 400; line-height: 1.08; }
.museum-hall-head p { margin: .35rem 0 0; color: var(--museum-paper-muted); font-size: .78rem; line-height: 1.7; }
.museum-hall-count { align-self: center; color: var(--museum-paper-muted); white-space: nowrap; }

.museum-featured {
    position: relative;
    display: block;
    width: 100%;
    min-height: clamp(27rem, 58vw, 39rem);
    grid-column: 1 / -1;
    margin-bottom: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid rgba(182,152,98,.35);
    border-radius: 0;
    color: var(--museum-paper);
    background: #16120f;
    text-align: left;
    cursor: pointer;
    transform: perspective(1100px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(var(--lift, 0px));
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform .55s var(--museum-spring), border-color .4s ease, box-shadow .4s ease;
}
.museum-featured:hover { --lift: -5px; border-color: rgba(182,152,98,.62); box-shadow: 0 26px 70px rgba(0,0,0,.32); }
.museum-featured:active { --lift: -1px; }
.museum-featured > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.65) brightness(.66); transition: transform .8s cubic-bezier(.16,1,.3,1), filter .8s ease; }
.museum-featured:hover > img { transform: scale(1.025); filter: saturate(.8) brightness(.72); }
.museum-featured-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,10,8,.92), rgba(12,10,8,.3) 65%, transparent), linear-gradient(0deg, rgba(12,10,8,.55), transparent 55%); }
.museum-featured-copy { position: absolute; inset: auto auto clamp(2rem, 7vw, 5rem) clamp(1.5rem, 7vw, 5rem); z-index: 2; display: grid; max-width: 32rem; gap: .75rem; transform: translateZ(34px); }
.museum-featured-label { display: flex; align-items: center; gap: .5rem; color: var(--museum-brass); font-size: .72rem; letter-spacing: .16em; }
.museum-featured-label svg { width: 1rem; }
.museum-featured-number { color: var(--museum-paper-muted); font-size: .68rem; letter-spacing: .18em; }
.museum-featured-copy strong { font-size: clamp(2.8rem, 7vw, 5rem); line-height: 1.05; font-weight: 400; }
.museum-featured-copy > span:last-child { color: #d0c8bd; line-height: 1.9; }

.museum-exhibit-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.5rem; }
.museum-exhibit-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: 0 0 1.4rem;
    overflow: hidden;
    border: 0;
    border-bottom: 1px solid rgba(238,233,223,.16);
    color: var(--museum-paper);
    background: transparent;
    text-align: left;
    cursor: pointer;
    transform: translate3d(0,0,0);
    transition: transform .55s var(--museum-spring), border-color .35s ease, opacity .35s ease;
}
.museum-exhibit-card:hover { transform: translate3d(0,-7px,0); border-bottom-color: rgba(182,152,98,.55); }
.museum-exhibit-card:active { transform: translate3d(0,-2px,0) scale(.985); transition-duration: .12s; }
.museum-exhibit-image { position: relative; display: block; width: 100%; aspect-ratio: 4/3; margin-bottom: 1rem; overflow: hidden; background: #17130f; }
.museum-exhibit-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.68) brightness(.82); transition: transform .65s cubic-bezier(.16,1,.3,1), filter .65s ease; }
.museum-exhibit-card:hover img { transform: scale(1.055); filter: saturate(.9) brightness(.9); }
.museum-exhibit-meta { display: flex; justify-content: space-between; gap: 1rem; color: var(--museum-brass); font-size: .65rem; letter-spacing: .12em; }
.museum-exhibit-card strong { margin-top: .55rem; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.25; font-weight: 400; }
.museum-exhibit-summary { margin-top: .4rem; color: var(--museum-paper-muted); line-height: 1.8; }
.museum-exhibit-open { display: flex; align-items: center; gap: .35rem; margin-top: 1rem; color: var(--museum-paper-muted); font-size: .72rem; letter-spacing: .1em; }
.museum-exhibit-open svg { width: .9rem; transition: transform .4s var(--museum-spring); }
.museum-exhibit-card:hover .museum-exhibit-open svg { transform: translate(3px,-3px); }
.museum-visited-mark { position: absolute; top: .75rem; right: .75rem; display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; color: var(--museum-ink); background: var(--museum-paper); }
.museum-visited-mark svg { width: 1rem; }
.museum-secret-badge { position: absolute; left: .75rem; bottom: .75rem; display: flex; align-items: center; gap: .35rem; padding: .35rem .55rem; color: var(--museum-paper); background: rgba(16,13,11,.8); font-size: .65rem; letter-spacing: .08em; }
.museum-secret-badge svg { width: .85rem; }
.museum-empty { grid-column: 1/-1; padding: 4rem 0; color: var(--museum-paper-muted); text-align: center; }

.museum-progress-panel { margin-top: 5rem; padding-top: 2rem; border-top: 1px solid rgba(238,233,223,.18); }
.museum-progress-panel > div:first-child { display: flex; justify-content: space-between; color: var(--museum-paper-muted); font-size: .75rem; letter-spacing: .12em; }
.museum-progress-panel strong { color: var(--museum-brass); font-weight: 400; }
.museum-progress-track { height: 2px; margin-top: 1rem; background: rgba(238,233,223,.12); }
.museum-progress-track span { display: block; width: 0; height: 100%; background: var(--museum-brass); transition: width .8s var(--museum-spring); box-shadow: 0 0 16px rgba(182,152,98,.36); }
.museum-progress-panel p { margin: .8rem 0 0; color: var(--museum-paper-muted); font-size: .78rem; }
.museum-back-cover {
    position: relative;
    min-height: 40rem;
    margin-top: 5rem;
    overflow: hidden;
    border-block: 1px solid rgba(182,152,98,.34);
    background: #110e0c;
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity .9s ease, transform 1s var(--museum-spring);
    isolation: isolate;
}
.museum-back-cover[hidden] { display: none; }
.museum-back-cover.is-visible { opacity: 1; transform: translateY(0); }
.museum-back-cover-image, .museum-back-cover-shade { position: absolute; inset: 0; }
.museum-back-cover-image { z-index: -2; background: #110e0c; }
.museum-back-cover-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) brightness(.78); }
.museum-back-cover-shade {
    z-index: 1;
    background: linear-gradient(180deg, rgba(12,10,8,.12) 15%, rgba(12,10,8,.38) 52%, rgba(12,10,8,.94) 100%);
}
.museum-back-cover-copy {
    position: absolute;
    inset: auto clamp(2rem, 7%, 5.5rem) clamp(2.5rem, 9%, 5rem);
    display: grid;
    max-width: 60rem;
    gap: .85rem;
}
.museum-back-cover-copy > svg { width: 1.5rem; height: 1.5rem; color: var(--museum-brass); }
.museum-back-cover-eyebrow, .museum-back-cover-count {
    color: var(--museum-brass);
    font-size: .68rem;
    letter-spacing: .16em;
    text-transform: uppercase;
}
.museum-back-cover-copy h2 { margin: 0; font-size: 3.5rem; font-weight: 400; line-height: 1.12; overflow-wrap: anywhere; }
.museum-back-cover-copy p { max-width: 38rem; margin: 0; color: #d5cec3; font-size: 1rem; line-height: 2; white-space: pre-line; overflow-wrap: anywhere; }
.museum-back-cover-count { margin-top: .8rem; color: var(--museum-paper-muted); letter-spacing: .1em; }
.museum-footer { display: flex; flex-direction: column; align-items: center; gap: 1rem; padding: 5rem 1rem 6rem; border-top: 1px solid rgba(238,233,223,.1); color: var(--museum-paper-muted); text-align: center; }
.museum-footer span { font-size: .62rem; letter-spacing: .2em; }
.museum-footer strong { color: var(--museum-paper); font-size: 2.5rem; font-weight: 400; }

.exhibit-modal, .ticket-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 1rem; visibility: hidden; pointer-events: none; opacity: 0; }
.exhibit-modal.is-open, .ticket-modal.is-open { visibility: visible; pointer-events: auto; opacity: 1; }
.exhibit-modal-backdrop { position: absolute; inset: 0; background: rgba(4,3,2,.88); backdrop-filter: blur(14px); opacity: 0; }
.is-open .exhibit-modal-backdrop { opacity: 1; }
.exhibit-modal-panel {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(28rem, .95fr);
    width: min(82rem, 100%);
    height: min(52rem, calc(100svh - 2rem));
    max-height: calc(100svh - 2rem);
    overflow: hidden;
    border: 1px solid rgba(238,233,223,.18);
    background: #15110e;
    box-shadow: 0 30px 90px rgba(0,0,0,.65);
    transform-origin: 50% 65%;
    will-change: transform, opacity;
}
.exhibit-modal-close { position: absolute; top: 1rem; right: 1rem; z-index: 5; background: rgba(16,13,11,.72); }
.exhibit-viewer { position: relative; min-height: 0; height: 100%; background: #090806; }
.exhibit-viewer > img { width: 100%; height: 100%; object-fit: contain; will-change: transform, opacity; }
.exhibit-image-nav { position: absolute; top: 50%; display: grid; place-items: center; width: 2.7rem; height: 2.7rem; padding: 0; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: #fff; background: rgba(0,0,0,.45); transform: translateY(-50%); cursor: pointer; }
.exhibit-image-nav.is-prev { left: 1rem; }
.exhibit-image-nav.is-next { right: 1rem; }
.exhibit-image-nav svg { width: 1.1rem; }
.exhibit-image-count { position: absolute; right: 1rem; bottom: 1rem; padding: .3rem .55rem; color: #fff; background: rgba(0,0,0,.55); font-size: .68rem; letter-spacing: .12em; }
.exhibit-record { min-height: 0; overflow-y: auto; scrollbar-gutter: stable; padding: clamp(3rem, 5vh, 4rem) clamp(2rem, 3vw, 3rem) 2.5rem; }
.exhibit-record-head { display: flex; justify-content: space-between; gap: 1rem; padding-right: 2.75rem; color: var(--museum-brass); font-size: .65rem; letter-spacing: .14em; }
.exhibit-record h2 { margin: 1rem 0 1.4rem; font-size: clamp(2.6rem, 3.4vw, 3.5rem); line-height: 1.18; font-weight: 400; overflow-wrap: anywhere; }
.exhibit-story { margin: 0; color: var(--museum-paper-muted); font-size: 1rem; line-height: 2.1; letter-spacing: 0; white-space: pre-line; overflow-wrap: anywhere; }
.exhibit-facts { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 2rem; margin: 1.8rem 0; padding: 1.5rem 0; border-block: 1px solid rgba(238,233,223,.12); }
.exhibit-facts div { display: grid; align-content: start; gap: .45rem; min-width: 0; }
.exhibit-facts dt { color: #827a70; font-size: .66rem; letter-spacing: .12em; }
.exhibit-facts dd { margin: 0; color: var(--museum-paper); font-size: .9rem; line-height: 1.75; letter-spacing: 0; overflow-wrap: anywhere; }
.exhibit-importance { padding: 1.4rem 1.5rem; border-left: 2px solid var(--museum-brass); background: rgba(182,152,98,.06); }
.exhibit-importance span { color: var(--museum-brass); font-size: .62rem; letter-spacing: .16em; }
.exhibit-importance p { margin: .65rem 0 0; color: var(--museum-paper-muted); font-size: .95rem; line-height: 2; letter-spacing: 0; overflow-wrap: anywhere; }
#exhibit-audio { width: 100%; margin-top: 1.2rem; }
.exhibit-back-toggle, .museum-text-button { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; border: 0; color: var(--museum-paper-muted); background: transparent; cursor: pointer; }
.exhibit-back-toggle { width: 100%; min-height: 3rem; margin-top: 1.2rem; border: 1px solid rgba(238,233,223,.16); transition: color .3s ease, border-color .3s ease, background .3s ease, transform .35s var(--museum-spring); }
.exhibit-back-toggle:hover, .exhibit-back-toggle.is-open { color: var(--museum-paper); border-color: var(--museum-brass); }
.exhibit-back-toggle:active { transform: scale(.98); }
.exhibit-back-toggle svg, .museum-text-button svg { width: 1rem; }
.exhibit-back-message { display: grid; place-items: center; min-height: 0; max-height: 0; overflow: hidden; color: var(--museum-paper); font-size: clamp(1.55rem, 2.3vw, 1.9rem); line-height: 1.7; letter-spacing: 0; text-align: center; opacity: 0; transform: rotateX(-8deg) translateY(-8px); transform-origin: top; transition: min-height .6s var(--museum-spring), max-height .6s var(--museum-spring), margin .6s var(--museum-spring), padding .6s var(--museum-spring), opacity .4s ease, transform .6s var(--museum-spring); }
.exhibit-back-message.is-visible { min-height: 10rem; max-height: 28rem; margin-top: 1rem; padding: 1.5rem; border: 1px dashed rgba(182,152,98,.45); opacity: 1; transform: rotateX(0) translateY(0); }
.exhibit-modal-footer { display: flex; justify-content: space-between; margin-top: 1.5rem; }
.museum-text-button { min-height: 2.7rem; color: var(--museum-paper-muted); transition: color .3s ease, transform .35s var(--museum-spring); }
.museum-text-button:hover { color: var(--museum-brass); }
.museum-text-button:active { transform: scale(.94); }
.museum-modal-open { overflow: hidden; }

.visit-ticket { position: relative; z-index: 2; width: min(30rem, 100%); padding: 2.5rem; overflow: hidden; color: #241d17; background: var(--museum-paper); box-shadow: 0 30px 90px rgba(0,0,0,.6); transform-origin: center; will-change: transform, opacity; }
.visit-ticket::before, .visit-ticket::after { content:""; position:absolute; top: 52%; width: 1.5rem; height: 1.5rem; border-radius: 50%; background:#080604; transform:translateY(-50%); }
.visit-ticket::before { left: -.75rem; }
.visit-ticket::after { right: -.75rem; }
.ticket-close { position: absolute; top: .8rem; right: .8rem; color: #241d17; border-color: rgba(36,29,23,.25); }
.visit-ticket > span { color: #665d54; font-size: .65rem; letter-spacing: .28em; }
.visit-ticket h2 { margin: .6rem 0 1.2rem; color: #241d17; font-size: 3rem; font-weight: 400; }
.ticket-code { padding: .75rem 0; border-block: 1px dashed rgba(36,29,23,.35); color: var(--museum-wine); font-size: .75rem; letter-spacing: .18em; }
.visit-ticket dl { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .8rem; margin: 1.4rem 0; }
.visit-ticket dl div { display: grid; gap: .25rem; }
.visit-ticket dt { color: #756c63; font-size: .62rem; }
.visit-ticket dd { margin: 0; font-size: .8rem; }
.visit-ticket p { min-height: 4rem; margin: 1.2rem 0; color: #332920; font-size: 1.55rem; line-height: 1.55; }
.ticket-barcode { height: 2.5rem; opacity: .7; background: repeating-linear-gradient(90deg,#241d17 0 2px,transparent 2px 5px,#241d17 5px 6px,transparent 6px 10px); }

@media (max-width: 960px) and (min-width: 761px) {
    .exhibit-facts { grid-template-columns: 1fr; gap: 1rem; }
}

@media (max-width: 760px) {
    .museum-vestibule { min-height: 94svh; }
    .museum-open-sign { bottom: 1rem; }
    .museum-hall-tabs {
        justify-content: flex-start; margin-inline: -.5rem; padding-inline: .5rem; overflow-x: auto;
    }
    .museum-hall-tabs button {
        flex: 0 0 auto; min-height: 2.55rem; padding: 0 .75rem;
        font-size: .72rem; letter-spacing: 0; white-space: nowrap;
    }
    .museum-collection-list { gap: 4.5rem; }
    .museum-hall-head { grid-template-columns: 1fr auto; align-items: start; gap: .65rem 1rem; }
    .museum-hall-index { grid-column: 1 / -1; }
    .museum-hall-count { grid-column: 2; grid-row: 2; align-self: center; }
    .museum-hall-head h3 { font-size: 2.25rem; }
    .museum-hall-head p { max-width: 15rem; }
    .museum-back-cover { min-height: 32rem; margin-top: 4rem; }
    .museum-back-cover-copy { inset: auto 1.35rem 2rem; gap: .7rem; }
    .museum-back-cover-copy h2 { font-size: 2.2rem; line-height: 1.2; }
    .museum-back-cover-copy p { font-size: .9rem; line-height: 1.85; }
    .museum-exhibit-grid { grid-template-columns: 1fr; }
    .museum-featured-shade { background: linear-gradient(0deg, rgba(12,10,8,.94), rgba(12,10,8,.14) 70%); }
    .museum-featured-copy { inset: auto 1.4rem 1.8rem; }
    .exhibit-modal { padding: 0; }
    .exhibit-modal-panel { grid-template-columns: 1fr; width: 100%; height: 100svh; max-height: none; overflow-y: auto; }
    .exhibit-viewer { min-height: 48svh; height: 48svh; }
    .exhibit-record { overflow: visible; padding: 2.5rem 1.35rem 3rem; }
    .exhibit-record-head { padding-right: 2.5rem; }
    .exhibit-record h2 { margin: 1rem 0 1.35rem; font-size: 2.35rem; line-height: 1.2; }
    .exhibit-story { line-height: 2.05; }
    .exhibit-facts { grid-template-columns: 1fr; gap: 1rem; margin: 1.6rem 0; padding: 1.35rem 0; }
    .exhibit-importance { padding: 1.25rem; }
    .exhibit-back-message.is-visible { padding: 1.25rem; }
    .exhibit-modal-close { position: fixed; }
    .visit-ticket { padding: 2rem 1.5rem; }
    .visit-ticket dl { grid-template-columns: 1fr; }
    .museum-featured { transform: none !important; }
}

@media (prefers-reduced-motion: reduce) {
    .museum-loader-mark,
    .museum-open-sign span,
    .museum-hero-image,
    .museum-app.is-ready .museum-vestibule-content > * { animation: none; }
    .museum-reveal { opacity: 1; transform: none; filter: none; transition: none; }
    .museum-hero-image-wrap,
    .museum-vestibule-content { transform: none !important; opacity: 1 !important; }
}