:root {
  --museum-ivory: #fff4db;
  --museum-muted: #d4c3a9;
  --museum-brass: #d9a94f;
  --museum-brass-pale: #f3d18a;
  --museum-oxblood: #6e1724;
  --museum-violet: #9c58bc;
  --museum-black: #080506;
}

.museum-trigger {
  position: absolute;
  z-index: 24;
  top: 64%;
  left: 1.1%;
  display: grid;
  width: 18.2%;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  place-items: center;
  color: var(--museum-ivory);
  border: 0;
  outline: none;
  background: transparent;
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, .78));
}

.museum-trigger::before {
  content: "";
  position: absolute;
  inset: 10% 4% 4%;
  z-index: -1;
  border-radius: 48% 48% 34% 34%;
  background: radial-gradient(circle, rgba(112, 31, 130, .38), transparent 68%);
  opacity: .72;
  transition: opacity 180ms ease, transform 180ms ease;
}

.museum-trigger-art {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
  transition: filter 180ms ease, transform 180ms ease;
}

.museum-trigger-label {
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: 7%;
  padding: 5px 3px 4px;
  color: #fff3cd;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(9px, 2.75vw, 12px);
  font-weight: 800;
  line-height: .98;
  letter-spacing: .075em;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 2px 2px #000, 0 0 8px #000, 0 0 10px rgba(152, 75, 186, .86);
  border-block: 1px solid rgba(236, 193, 103, .52);
  background: linear-gradient(90deg, transparent, rgba(7, 3, 8, .88) 18%, rgba(7, 3, 8, .88) 82%, transparent);
}

.museum-trigger:hover::before,
.museum-trigger:focus-visible::before,
.museum-trigger.is-pressed::before {
  opacity: 1;
  transform: scale(1.06);
}

.museum-trigger:hover .museum-trigger-art,
.museum-trigger:focus-visible .museum-trigger-art,
.museum-trigger.is-pressed .museum-trigger-art {
  filter: brightness(1.12) drop-shadow(0 0 13px rgba(205, 126, 238, .72));
  transform: translateY(-2px) scale(1.025);
}

.museum-trigger:focus-visible {
  border-radius: 18px;
  outline: 3px solid rgba(255, 226, 160, .94);
  outline-offset: 2px;
}

.museum-viewer {
  position: fixed;
  z-index: 140;
  inset: 0;
  isolation: isolate;
  overflow: hidden;
  color: var(--museum-ivory);
  background: rgba(3, 1, 4, .97);
  backdrop-filter: blur(11px) brightness(.42);
  -webkit-backdrop-filter: blur(11px) brightness(.42);
}

.museum-viewer[hidden] {
  display: none;
}

.museum-viewer::before,
.museum-viewer::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.museum-viewer::before {
  background:
    linear-gradient(rgba(2, 1, 3, .16), rgba(2, 1, 3, .32)),
    url("assets/museum/museum-bg-mobile-source.png") center / cover no-repeat;
  filter: saturate(.88) brightness(.64);
}

.museum-viewer::after {
  z-index: -1;
  background:
    radial-gradient(circle at 18% 18%, rgba(119, 42, 139, .2), transparent 28%),
    radial-gradient(circle at 82% 74%, rgba(108, 19, 34, .24), transparent 31%),
    linear-gradient(90deg, rgba(0, 0, 0, .74), transparent 19%, transparent 81%, rgba(0, 0, 0, .74));
  mix-blend-mode: screen;
  opacity: .46;
  animation: museum-breath 10s ease-in-out infinite alternate;
}

body.is-museum-open .page-shell {
  filter: blur(10px) brightness(.26) saturate(.48);
}

body.is-museum-open .music-particles {
  opacity: 0;
}

.museum-shell {
  width: 100%;
  height: 100%;
  min-height: 100dvh;
}

.museum-close {
  position: fixed;
  z-index: 8;
  top: max(6px, env(safe-area-inset-top));
  right: max(6px, env(safe-area-inset-right));
  display: grid;
  width: 46px;
  height: 46px;
  min-width: 44px;
  min-height: 44px;
  padding: 2px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  outline: none;
  background: rgba(4, 2, 6, .38);
  cursor: pointer;
  touch-action: manipulation;
}

.museum-close img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 3px 4px rgba(0, 0, 0, .9)) drop-shadow(0 0 7px rgba(160, 79, 194, .62));
  transition: filter 180ms ease, transform 180ms ease;
  user-select: none;
  -webkit-user-drag: none;
}

.museum-close:hover img,
.museum-close:focus-visible img,
.museum-close.is-pressed img {
  filter: brightness(1.18) drop-shadow(0 3px 4px rgba(0, 0, 0, .9)) drop-shadow(0 0 12px rgba(223, 151, 255, .86));
  transform: rotate(4deg) scale(1.055);
}

.museum-close:focus-visible {
  outline: 2px solid var(--museum-brass-pale);
  outline-offset: 1px;
}

.museum-scroll {
  width: 100%;
  height: 100%;
  padding: max(58px, calc(env(safe-area-inset-top) + 50px)) 10px max(30px, calc(env(safe-area-inset-bottom) + 20px));
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: rgba(189, 139, 62, .78) rgba(15, 7, 12, .7);
  scrollbar-width: thin;
  scroll-behavior: smooth;
  outline: none;
}

/* V10: el museo deja de ser un artículo largo y se vuelve un libro visual.
   Se carga una sola página a la vez para no castigar el teléfono. */
.museum-viewer::before {
  background:
    radial-gradient(circle at 50% 18%, rgba(106, 47, 132, .22), transparent 36rem),
    linear-gradient(165deg, #0d0811, #050407 58%, #0a0610);
  filter: none;
}

.museum-book-reader {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 8px;
  padding: max(52px, calc(env(safe-area-inset-top) + 48px)) 10px max(10px, env(safe-area-inset-bottom));
  overflow: hidden;
  touch-action: pan-y;
}

.museum-book-header {
  min-height: 0;
  text-align: center;
}

.museum-book-header p,
.museum-book-header h2 {
  margin: 0;
}

.museum-book-header p {
  color: var(--museum-brass-pale);
  font: 700 11px/1.2 system-ui, sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.museum-book-header h2 {
  margin-top: 2px;
  color: var(--museum-muted);
  font: 600 12px/1.2 system-ui, sans-serif;
}

.museum-book-stage {
  display: grid;
  min-height: 0;
  place-items: center;
}

.museum-book-page {
  display: block;
  width: auto;
  height: auto;
  max-width: 70vw;
  max-height: calc(100dvh - 150px);
  object-fit: contain;
  background: #050507;
  box-shadow: 0 22px 70px rgba(0, 0, 0, .72);
  user-select: none;
  -webkit-user-drag: none;
}

.museum-book-controls {
  display: grid;
  grid-template-columns: 48px minmax(112px, auto) 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
}

.museum-book-controls button {
  display: grid;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  place-items: center;
  color: #f8eefb;
  font: 700 23px/1 system-ui, sans-serif;
  border: 1px solid rgba(232, 219, 244, .26);
  border-radius: 999px;
  background: rgba(37, 25, 44, .92);
  cursor: pointer;
}

.museum-book-controls button:hover:not(:disabled),
.museum-book-controls button:focus-visible {
  outline: 2px solid rgba(231, 202, 246, .72);
  outline-offset: 2px;
  background: rgba(86, 52, 102, .97);
}

.museum-book-controls button:disabled {
  opacity: .3;
  cursor: default;
}

.museum-book-status {
  min-width: 0;
  text-align: center;
  font-family: system-ui, sans-serif;
}

.museum-book-status span {
  display: block;
}

#museum-book-counter {
  color: var(--museum-ivory);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
}

#museum-book-label {
  max-width: 180px;
  margin-top: 2px;
  overflow: hidden;
  color: var(--museum-muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.museum-document {
  width: min(100%, 1160px);
  margin: 0 auto;
}

.museum-hero {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 30px 17px 22px;
  overflow: hidden;
  text-align: center;
  border: 1px solid rgba(220, 172, 86, .58);
  border-radius: 28px 28px 10px 10px;
  background:
    radial-gradient(circle at 50% 0, rgba(112, 28, 122, .28), transparent 42%),
    linear-gradient(155deg, rgba(24, 11, 18, .96), rgba(5, 3, 5, .95));
  box-shadow: inset 0 0 0 3px rgba(3, 1, 4, .72), inset 0 -40px 80px rgba(0, 0, 0, .45), 0 22px 70px rgba(0, 0, 0, .62);
}

.museum-hero::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(123, 75, 42, .42);
  border-radius: 20px 20px 7px 7px;
  pointer-events: none;
}

.museum-kicker,
.museum-title,
.museum-lead,
.museum-notice,
.museum-chapter-kicker,
.museum-chapter h3,
.museum-chapter-intro,
.museum-piece-type,
.museum-piece h4,
.museum-piece p,
.museum-fact,
.museum-sources h3,
.museum-sources p {
  margin: 0;
}

.museum-kicker {
  color: var(--museum-brass-pale);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.museum-title {
  color: #fff1c9;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 11vw, 64px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.045em;
  text-wrap: balance;
  text-shadow: 0 3px 0 #2b0d13, 0 0 26px rgba(168, 76, 194, .42);
}

.museum-lead {
  max-width: 760px;
  margin-inline: auto;
  color: #f0dfc5;
  font-size: clamp(17px, 4.7vw, 21px);
  line-height: 1.38;
  text-wrap: pretty;
}

.museum-notice {
  max-width: 820px;
  margin-inline: auto;
  padding: 13px 14px;
  color: #dac8af;
  font-size: 14px;
  line-height: 1.45;
  border-block: 1px solid rgba(184, 122, 52, .45);
  background: rgba(0, 0, 0, .28);
}

.museum-nav {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 14px 0 18px;
  padding: 9px;
  overflow: visible;
  border: 1px solid rgba(198, 146, 66, .48);
  border-radius: 12px;
  background: rgba(7, 3, 6, .94);
  box-shadow: 0 10px 28px rgba(0, 0, 0, .52);
}

.museum-nav a:last-child {
  grid-column: 1 / -1;
}

.museum-nav a {
  min-width: 0;
  min-height: 44px;
  padding: 11px 14px 9px;
  color: #e7d4b8;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: .08em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  border: 1px solid rgba(103, 55, 37, .78);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(56, 20, 31, .72), rgba(13, 7, 10, .92));
}

.museum-nav a:hover,
.museum-nav a:focus-visible {
  color: #fff4d7;
  border-color: rgba(233, 189, 101, .86);
  outline: none;
  background: linear-gradient(180deg, rgba(104, 26, 45, .85), rgba(20, 8, 14, .96));
}

.museum-chapter {
  position: relative;
  margin: 0 0 25px;
  scroll-margin-top: 76px;
}

.museum-chapter-header {
  position: relative;
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  padding: 22px 16px 17px;
  overflow: hidden;
  text-align: center;
  border: 1px solid rgba(205, 153, 71, .58);
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(37, 11, 19, .96), rgba(7, 4, 6, .97));
  box-shadow: inset 0 0 35px rgba(79, 26, 91, .18), 0 14px 30px rgba(0, 0, 0, .48);
}

.museum-chapter-ornament {
  width: min(85%, 650px);
  max-height: 92px;
  margin: -28px auto -20px;
  object-fit: contain;
  opacity: .78;
  filter: brightness(.92) saturate(.82);
  pointer-events: none;
}

.museum-chapter-ornament--plate {
  height: 92px;
  max-height: none;
  object-fit: cover;
  object-position: center 51%;
  border-radius: 46%;
  box-shadow: inset 0 0 18px rgba(0, 0, 0, .68);
}

.museum-chapter-kicker {
  color: var(--museum-brass-pale);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.museum-chapter h3 {
  color: #fff0ca;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(29px, 8vw, 48px);
  line-height: .98;
  text-wrap: balance;
}

.museum-chapter-intro {
  max-width: 760px;
  margin-inline: auto;
  color: #cdbda8;
  font-size: 15px;
  line-height: 1.42;
}

.museum-pieces {
  display: grid;
  gap: 12px;
}

.museum-piece {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(169, 113, 52, .56);
  border-radius: 11px;
  background:
    linear-gradient(145deg, rgba(20, 10, 14, .98), rgba(5, 3, 5, .98));
  box-shadow: inset 0 0 0 2px rgba(3, 1, 3, .68), 0 15px 35px rgba(0, 0, 0, .58);
}

.museum-piece::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(105, 67, 42, .32);
  border-radius: 7px;
  pointer-events: none;
}

.museum-piece-visual {
  position: relative;
  display: grid;
  min-height: 250px;
  padding: 18px 18px 4px;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 54%, rgba(112, 32, 128, .3), transparent 42%),
    radial-gradient(circle at 50% 74%, rgba(111, 27, 36, .25), transparent 43%),
    linear-gradient(180deg, rgba(0, 0, 0, .18), rgba(0, 0, 0, .54));
}

.museum-piece-visual::before {
  content: "";
  position: absolute;
  inset: 13px;
  border: 1px solid rgba(189, 136, 61, .27);
  border-radius: 45% 45% 9px 9px;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, .62);
}

.museum-piece img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-width: 390px;
  max-height: 270px;
  object-fit: contain;
  filter: drop-shadow(0 18px 19px rgba(0, 0, 0, .72)) drop-shadow(0 0 13px rgba(128, 56, 151, .18));
  user-select: none;
  -webkit-user-drag: none;
}

.museum-piece-visual--plate img {
  width: min(100%, 390px);
  border: 1px solid rgba(219, 166, 82, .42);
  border-radius: 10px;
  box-shadow: 0 18px 30px rgba(0, 0, 0, .66), 0 0 20px rgba(120, 54, 145, .16);
  filter: saturate(.9) contrast(1.05);
}

.museum-piece-number {
  position: absolute;
  z-index: 2;
  top: 18px;
  left: 18px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #f6d99c;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  font-weight: 800;
  border: 1px solid rgba(230, 184, 94, .7);
  border-radius: 50%;
  background: rgba(10, 5, 8, .88);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .6);
}

.museum-piece-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 22px 19px 25px;
  border-top: 1px solid rgba(161, 104, 48, .44);
}

.museum-piece-type {
  color: #d5a85c;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.museum-piece h4 {
  color: #fff2d0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(29px, 8vw, 43px);
  line-height: .96;
  text-wrap: balance;
}

.museum-piece p {
  color: #e6d8c4;
  font-size: 16px;
  line-height: 1.54;
  text-wrap: pretty;
}

.museum-fact {
  padding: 12px 13px;
  color: #dfccb2;
  font-size: 14px;
  line-height: 1.43;
  border-left: 3px solid var(--museum-brass);
  background: linear-gradient(90deg, rgba(94, 24, 39, .38), rgba(0, 0, 0, .16));
}

.museum-fact strong {
  color: #f4d594;
}

.museum-sources {
  display: grid;
  gap: 13px;
  padding: 24px 18px;
  border: 1px solid rgba(202, 149, 68, .58);
  border-radius: 10px 10px 24px 24px;
  background: linear-gradient(145deg, rgba(35, 10, 18, .96), rgba(6, 3, 5, .98));
  box-shadow: inset 0 0 45px rgba(80, 30, 93, .15), 0 20px 48px rgba(0, 0, 0, .58);
}

.museum-sources-head {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 12px;
  align-items: center;
}

.museum-sources-head img {
  width: 74px;
  height: 74px;
  object-fit: contain;
  filter: drop-shadow(0 8px 10px rgba(0, 0, 0, .65));
}

.museum-sources h3 {
  color: #fff0c9;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 7vw, 42px);
  line-height: 1;
}

.museum-sources p {
  color: #d2c0aa;
  font-size: 15px;
  line-height: 1.46;
}

.museum-source-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.museum-source-list a {
  display: block;
  min-height: 44px;
  padding: 11px 12px;
  color: #efd397;
  font-size: 14px;
  line-height: 1.35;
  text-decoration-color: rgba(235, 189, 96, .45);
  text-underline-offset: 3px;
  border: 1px solid rgba(101, 61, 40, .56);
  border-radius: 7px;
  background: rgba(0, 0, 0, .26);
}

.museum-source-list a:hover,
.museum-source-list a:focus-visible {
  color: #fff5db;
  border-color: rgba(230, 184, 93, .76);
  outline: none;
  background: rgba(89, 24, 39, .34);
}

.image-error-museum {
  min-height: 44px;
  color: #fff4dd;
  font: inherit;
  border: 1px solid rgba(233, 188, 96, .72);
  border-radius: 10px;
  background: rgba(77, 26, 97, .72);
  cursor: pointer;
}

@media (min-width: 900px) and (min-aspect-ratio: 4 / 3) {
  .museum-trigger {
    top: 60.5%;
    left: 1.7%;
    width: 9.4%;
  }

  .museum-book-page {
    max-width: min(46vw, 620px);
    max-height: calc(100dvh - 156px);
  }

  .museum-trigger-label {
    font-size: clamp(10px, .86vw, 13px);
  }

  .museum-viewer::before {
    background:
      radial-gradient(circle at 50% 16%, rgba(112, 48, 139, .2), transparent 42rem),
      linear-gradient(165deg, #0d0811, #050407 58%, #0a0610);
    filter: none;
  }

  .museum-close {
    top: max(8px, env(safe-area-inset-top));
    right: max(8px, env(safe-area-inset-right));
    width: 52px;
    height: 52px;
  }

  .museum-scroll {
    padding: max(68px, calc(env(safe-area-inset-top) + 58px)) 22px max(48px, calc(env(safe-area-inset-bottom) + 30px));
  }

  .museum-hero {
    gap: 16px;
    padding: 44px 44px 30px;
  }

  .museum-title {
    font-size: clamp(58px, 6.2vw, 86px);
  }

  .museum-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .museum-nav a:last-child {
    grid-column: auto;
  }

  .museum-piece {
    grid-template-columns: minmax(340px, 42%) minmax(0, 58%);
    min-height: 430px;
  }

  .museum-piece:nth-child(even) {
    grid-template-columns: minmax(0, 58%) minmax(340px, 42%);
  }

  .museum-piece:nth-child(even) .museum-piece-visual {
    order: 2;
  }

  .museum-piece:nth-child(even) .museum-piece-copy {
    order: 1;
    border-right: 1px solid rgba(161, 104, 48, .44);
    border-left: 0;
  }

  .museum-piece-visual {
    min-height: 430px;
    padding: 30px;
  }

  .museum-piece img {
    max-width: 430px;
    max-height: 380px;
  }

  .museum-piece-copy {
    padding: clamp(30px, 4vw, 54px);
    border-top: 0;
    border-left: 1px solid rgba(161, 104, 48, .44);
  }

  .museum-piece h4 {
    font-size: clamp(38px, 4vw, 56px);
  }

  .museum-piece p {
    font-size: 17px;
  }

  .museum-sources {
    padding: 34px 38px;
  }

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

@media (max-width: 360px) {
  .museum-trigger {
    top: 65%;
    width: 18.8%;
  }

  .museum-trigger-label {
    padding-inline: 1px;
    font-size: 9px;
  }

  .museum-scroll {
    padding-inline: 7px;
  }

  .museum-hero {
    padding-inline: 14px;
  }

  .museum-piece-copy {
    padding-inline: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .museum-viewer::after {
    animation: none;
  }

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

  .museum-trigger::before,
  .museum-trigger-art,
  .museum-close img {
    transition: none;
  }
}

@keyframes museum-breath {
  from { opacity: .34; transform: scale(1); }
  to { opacity: .53; transform: scale(1.018); }
}