/* =========================================================================
   Patria Roja — Galería
   Sala oscura, obra iluminada. El color institucional se reserva para
   los acentos: en una exposición manda la pieza, no la interfaz.
   ========================================================================= */

:root {
	--pr-red: #9b0000;
	--pr-red-bright: #c4141c;
	--pr-red-soft: rgba(155, 0, 0, 0.16);

	--pr-ink: #100e0d;
	--pr-ink-2: #191514;
	--pr-ink-3: #241e1c;
	--pr-line: rgba(244, 239, 230, 0.14);

	--pr-paper: #f4efe6;
	--pr-paper-dim: rgba(244, 239, 230, 0.72);
	--pr-paper-mute: rgba(244, 239, 230, 0.48);

	--pr-gold: #c9a227;

	--pr-font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
	--pr-font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

	--pr-radius: 4px;
	--pr-shadow: 0 32px 70px -28px rgba(0, 0, 0, 0.9);
	--pr-ease: cubic-bezier(0.22, 0.61, 0.36, 1);

	--pr-topbar-h: 76px;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--pr-ink);
	color: var(--pr-paper);
	font-family: var(--pr-font-ui);
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

/* Textura sutil de sala: evita el negro plano de pantalla apagada. */
body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	background:
		radial-gradient(120% 80% at 50% -10%, rgba(155, 0, 0, 0.16), transparent 62%),
		radial-gradient(90% 60% at 50% 110%, rgba(201, 162, 39, 0.07), transparent 60%);
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

button {
	font: inherit;
	color: inherit;
}

a {
	color: var(--pr-paper);
	text-decoration-color: rgba(244, 239, 230, 0.35);
	text-underline-offset: 3px;
}

a:hover {
	text-decoration-color: var(--pr-red-bright);
}

:focus-visible {
	outline: 2px solid var(--pr-gold);
	outline-offset: 3px;
}

.prg-skip {
	position: absolute;
	left: -9999px;
	top: 0;
	z-index: 999;
	background: var(--pr-paper);
	color: var(--pr-ink);
	padding: 0.75rem 1.25rem;
}

.prg-skip:focus {
	left: 1rem;
	top: 1rem;
}

/* ---------------------------------------------------------------- barra */

.prg-topbar {
	position: relative;
	z-index: 5;
	min-height: var(--pr-topbar-h);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	padding: 0.9rem clamp(1rem, 4vw, 3rem);
	border-bottom: 1px solid var(--pr-line);
	background: linear-gradient(180deg, rgba(16, 14, 13, 0.96), rgba(16, 14, 13, 0.72));
	backdrop-filter: blur(8px);
}

.prg-brand {
	display: flex;
	align-items: center;
	gap: 0.9rem;
	text-decoration: none;
	min-width: 0;
}

.prg-brand__logo,
.prg-brand .custom-logo {
	width: auto;
	height: 46px;
	flex: none;
	filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.5));
}

.prg-brand__text {
	display: flex;
	flex-direction: column;
	min-width: 0;
}

.prg-brand__text strong {
	font-family: var(--pr-font-display);
	font-size: 1.02rem;
	font-weight: 600;
	letter-spacing: 0.01em;
	line-height: 1.2;
}

.prg-brand__text em {
	font-style: normal;
	font-size: 0.76rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
	margin-top: 0.2rem;
}

.prg-topnav__list {
	display: flex;
	gap: 1.6rem;
	margin: 0;
	padding: 0;
	list-style: none;
	font-size: 0.86rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.prg-topnav__list a {
	text-decoration: none;
	color: var(--pr-paper-dim);
	padding-bottom: 3px;
	border-bottom: 1px solid transparent;
	transition: color 0.2s, border-color 0.2s;
}

.prg-topnav__list a:hover {
	color: var(--pr-paper);
	border-bottom-color: var(--pr-red-bright);
}

/* ---------------------------------------------------------------- shell */

.prg-shell {
	position: relative;
	z-index: 1;
}

.prg-shell--ficha {
	max-width: 1180px;
	margin: 0 auto;
	padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem) 5rem;
}

/* ----------------------------------------------------------------- hero */

.prg-hero {
	padding: clamp(3rem, 9vw, 7rem) clamp(1rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
	text-align: center;
}

.prg-hero__inner {
	max-width: 860px;
	margin: 0 auto;
}

.prg-hero__kicker {
	margin: 0 0 1.1rem;
	font-size: 0.78rem;
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

.prg-hero__kicker::after {
	content: "";
	display: block;
	width: 54px;
	height: 2px;
	margin: 1.1rem auto 0;
	background: var(--pr-red-bright);
}

.prg-hero__title {
	margin: 0;
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: clamp(2.4rem, 7vw, 4.6rem);
	line-height: 1.04;
	letter-spacing: -0.02em;
}

.prg-hero__intro {
	margin: 1.6rem auto 0;
	max-width: 60ch;
	font-size: clamp(1rem, 1.6vw, 1.14rem);
	color: var(--pr-paper-dim);
}

.prg-hero__actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.9rem;
	margin: 2.4rem 0 0;
}

.prg-hero__stats {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: clamp(1.5rem, 5vw, 3.5rem);
	margin: 3rem 0 0;
	padding: 1.6rem 0 0;
	border-top: 1px solid var(--pr-line);
	list-style: none;
}

.prg-hero__stats li {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.15rem;
}

.prg-hero__stats strong {
	font-family: var(--pr-font-display);
	font-size: 2rem;
	line-height: 1;
	color: var(--pr-paper);
}

.prg-hero__stats span {
	font-size: 0.74rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

/* Elegir exposición: es la primera decisión de la visita, así que ocupa el
   sitio de las cifras que antes solo informaban. */
.prg-hero__galerias {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: clamp(0.75rem, 2vw, 1.25rem);
	margin: 2.6rem 0 2.2rem;
	padding: 1.6rem 0 0;
	border-top: 1px solid var(--pr-line);
}

.prg-galeria {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.2rem;
	min-width: 10.5rem;
	padding: 1rem 1.4rem;
	border: 1px solid var(--pr-line);
	border-radius: 14px;
	background: transparent;
	color: var(--pr-paper-mute);
	cursor: pointer;
	transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.prg-galeria:hover {
	border-color: rgba(244, 239, 230, 0.4);
	color: var(--pr-paper);
}

.prg-galeria strong {
	font-family: var(--pr-font-display);
	font-size: 2rem;
	line-height: 1;
	color: var(--pr-paper);
}

.prg-galeria span {
	font-size: 0.74rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.prg-galeria.is-active {
	border-color: var(--pr-red);
	background: rgba(176, 26, 26, 0.16);
	color: var(--pr-paper);
}

@media (max-width: 520px) {
	.prg-galeria {
		flex: 1 1 100%;
		flex-direction: row;
		justify-content: center;
		gap: 0.6rem;
		min-width: 0;
	}

	.prg-galeria strong {
		font-size: 1.3rem;
	}
}

/* --------------------------------------------------------------- botones */

.prg-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	padding: 0.85rem 1.6rem;
	border: 1px solid transparent;
	border-radius: 999px;
	background: none;
	font-size: 0.86rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	text-decoration: none;
	cursor: pointer;
	transition: background 0.22s, border-color 0.22s, color 0.22s, transform 0.22s;
}

.prg-btn:hover {
	transform: translateY(-1px);
}

.prg-btn--primary {
	background: var(--pr-red);
	border-color: var(--pr-red);
	color: #fff;
}

.prg-btn--primary:hover {
	background: var(--pr-red-bright);
	border-color: var(--pr-red-bright);
}

.prg-btn--ghost {
	border-color: rgba(244, 239, 230, 0.28);
	color: var(--pr-paper);
}

.prg-btn--ghost:hover {
	border-color: var(--pr-paper);
	background: rgba(244, 239, 230, 0.07);
}

.prg-btn--light {
	background: rgba(244, 239, 230, 0.92);
	color: var(--pr-ink);
}

.prg-btn--light:hover {
	background: #fff;
}

.prg-btn--sm {
	padding: 0.55rem 1.05rem;
	font-size: 0.74rem;
}

.prg-btn__icon {
	font-size: 1em;
	opacity: 0.85;
}

/* ---------------------------------------------------------------- stage */

.prg-stage {
	padding: clamp(1rem, 3vw, 2rem) 0 clamp(3rem, 6vw, 5rem);
	scroll-margin-top: var(--pr-topbar-h);
}

.prg-stage__bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	max-width: 1400px;
	margin: 0 auto 1.8rem;
	padding: 0 clamp(1rem, 4vw, 3rem);
}

.prg-filtros {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.prg-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 1.05rem;
	border: 1px solid var(--pr-line);
	border-radius: 999px;
	background: transparent;
	color: var(--pr-paper-dim);
	font-size: 0.78rem;
	letter-spacing: 0.06em;
	cursor: pointer;
	transition: all 0.2s;
}

.prg-chip:hover {
	border-color: rgba(244, 239, 230, 0.4);
	color: var(--pr-paper);
}

.prg-chip.is-active {
	background: var(--pr-paper);
	border-color: var(--pr-paper);
	color: var(--pr-ink);
	font-weight: 600;
}

.prg-chip__n {
	font-size: 0.7rem;
	opacity: 0.6;
}

/* ------------------------------------------------------------- carrusel */

.prg-carousel {
	position: relative;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	max-width: 1500px;
	margin: 0 auto;
	padding: 0 clamp(0.5rem, 3vw, 2rem);
}

.prg-carousel__viewport {
	flex: 1 1 auto;
	min-width: 0;
}

/* Sin JavaScript: retícula clásica, todo visible. */
.prg-deck {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 2.5rem 1.75rem;
	margin: 0;
	padding: 0 clamp(0.5rem, 2vw, 1.5rem);
}

.prg-nav {
	display: none;
}

/* Con JavaScript: escena en profundidad. */
.prg-stage.is-enhanced .prg-carousel__viewport {
	perspective: 1800px;
	perspective-origin: 50% 42%;
	overflow: hidden;
	padding: 1rem 0 0;
}

.prg-stage.is-enhanced .prg-deck {
	display: block;
	position: relative;
	height: clamp(390px, 62vh, 660px);
	transform-style: preserve-3d;
	padding: 0;
}

.prg-stage.is-enhanced .prg-card {
	position: absolute;
	top: 0;
	left: 50%;
	width: clamp(230px, 27vw, 400px);
	margin: 0;
	transform-style: preserve-3d;
	transform-origin: 50% 50%;
	transition: transform 0.62s var(--pr-ease), opacity 0.5s var(--pr-ease), filter 0.5s var(--pr-ease);
	will-change: transform, opacity;
}

.prg-stage.is-enhanced .prg-card:not(.is-active) {
	filter: brightness(0.62) saturate(0.78);
}

.prg-stage.is-enhanced .prg-card:not(.is-active) .prg-card__cap {
	opacity: 0;
	transform: translateY(6px);
	pointer-events: none;
}

.prg-stage.is-enhanced .prg-card.is-hidden {
	opacity: 0 !important;
	pointer-events: none;
}

.prg-stage.is-enhanced .prg-nav {
	display: flex;
	align-items: center;
	justify-content: center;
	flex: none;
	width: clamp(44px, 5vw, 60px);
	height: clamp(44px, 5vw, 60px);
	border: 1px solid var(--pr-line);
	border-radius: 50%;
	background: rgba(25, 21, 20, 0.75);
	color: var(--pr-paper);
	font-size: 1.9rem;
	line-height: 0;
	cursor: pointer;
	transition: all 0.2s;
}

.prg-stage.is-enhanced .prg-nav:hover {
	background: var(--pr-red);
	border-color: var(--pr-red);
}

.prg-stage.is-enhanced .prg-nav:disabled {
	opacity: 0.25;
	cursor: default;
}

/* --------------------------------------------------------------- tarjeta */

.prg-card {
	display: flex;
	flex-direction: column;
	gap: 1rem;
	margin: 0;
}

.prg-card__frame {
	position: relative;
	display: block;
	width: 100%;
	padding: clamp(10px, 1.6vw, 20px);
	border: 0;
	border-radius: var(--pr-radius);
	background: #fbf9f5;
	box-shadow: var(--pr-shadow);
	cursor: zoom-in;
	overflow: hidden;
}

/* El passepartout cambia según la naturaleza de la pieza. */
.prg-card--documento .prg-card__frame {
	background: #efe6d4;
	box-shadow: var(--pr-shadow), inset 0 0 0 1px rgba(120, 92, 44, 0.25);
}

.prg-card__frame img {
	width: 100%;
	height: clamp(230px, 38vh, 400px);
	object-fit: contain;
	background: #eae5db;
}

.prg-card--documento .prg-card__frame img {
	background: #e3d8c1;
}

.prg-card__zoom {
	position: absolute;
	right: 14px;
	bottom: 14px;
	width: 34px;
	height: 34px;
	display: grid;
	place-items: center;
	border-radius: 50%;
	background: rgba(16, 14, 13, 0.72);
	color: #fff;
	font-size: 0.95rem;
	opacity: 0;
	transform: translateY(6px);
	transition: opacity 0.2s, transform 0.2s;
}

.prg-card__frame:hover .prg-card__zoom {
	opacity: 1;
	transform: none;
}

/* --------------------------------------------------- piezas de vídeo */

.prg-card--video .prg-card__frame--video-pieza {
	position: relative;
	padding: 0;
	background: #0b0a09;
	cursor: default;
}

.prg-card__video {
	display: block;
	width: 100%;
	height: clamp(230px, 38vh, 400px);
	object-fit: cover;
	background: #0b0a09;
}

.prg-card__play {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	border: 0;
	background: rgba(11, 10, 9, 0.34);
	color: #fff;
	cursor: pointer;
	transition: opacity 0.3s, background 0.3s;
}

.prg-card__play span {
	display: grid;
	place-items: center;
	width: 64px;
	height: 64px;
	padding-left: 4px;
	border: 2px solid rgba(255, 255, 255, 0.88);
	border-radius: 50%;
	font-size: 1.35rem;
	transition: background 0.25s, transform 0.25s;
}

.prg-card__play:hover span {
	background: var(--pr-red);
	border-color: var(--pr-red);
	transform: scale(1.06);
}

.prg-card--video.is-playing .prg-card__play {
	opacity: 0;
	pointer-events: none;
}

.prg-card__zoom--solo {
	border: 0;
	cursor: zoom-in;
	opacity: 0;
}

.prg-card__frame--video-pieza:hover .prg-card__zoom--solo,
.prg-card__zoom--solo:focus-visible {
	opacity: 1;
	transform: none;
}

.prg-card__duracion {
	position: absolute;
	left: 12px;
	bottom: 12px;
	padding: 0.2rem 0.55rem;
	border-radius: 3px;
	background: rgba(11, 10, 9, 0.78);
	font-size: 0.72rem;
	letter-spacing: 0.06em;
	color: var(--pr-paper);
}

.prg-card--video .prg-card__eyebrow {
	color: var(--pr-paper-dim);
}

.prg-visor__media video {
	max-height: min(78vh, 900px);
	max-width: 100%;
	width: auto;
	background: #000;
}

.prg-visor__media img[hidden],
.prg-visor__media video[hidden] {
	display: none;
}

.prg-card__cap {
	text-align: center;
	transition: opacity 0.4s var(--pr-ease), transform 0.4s var(--pr-ease);
}

.prg-card__eyebrow {
	margin: 0 0 0.35rem;
	font-size: 0.68rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--pr-red-bright);
}

.prg-card--documento .prg-card__eyebrow {
	color: var(--pr-gold);
}

.prg-card__title {
	margin: 0;
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: clamp(1.05rem, 2vw, 1.42rem);
	line-height: 1.24;
}

.prg-card__meta {
	margin: 0.4rem 0 0;
	font-size: 0.82rem;
	color: var(--pr-paper-mute);
}

/* --------------------------------------------------- presentador virtual */

.prg-card--presentador .prg-card__frame--video {
	position: relative;
	padding: 0;
	background: radial-gradient(70% 60% at 50% 40%, #2a2320, #0d0b0a 72%);
	box-shadow: var(--pr-shadow), 0 0 90px -30px rgba(196, 20, 28, 0.7);
	cursor: default;
	aspect-ratio: 4 / 5;
	display: grid;
	place-items: center;
}

.prg-presentador__video {
	width: 100%;
	height: 100%;
	object-fit: cover;
	background: #000;
}

/* Difuminar los bordes (por defecto): los cantos del vídeo se desvanecen en
   la penumbra de la sala. A diferencia de fundir el negro, no altera los
   tonos de la imagen, así que la ropa oscura del presentador se conserva. */
.prg-card--presentador[data-fondo="bordes"] .prg-presentador__video {
	/* Dos degradados que se cruzan: la opacidad llega a cero en los cuatro
	   cantos, de modo que no queda ningún borde recto. Por abajo el
	   desvanecido es más largo, para que la figura se apoye en la penumbra. */
	--prg-velo-h: linear-gradient(to right, transparent 0%, #000 17%, #000 83%, transparent 100%);
	--prg-velo-v: linear-gradient(to bottom, transparent 0%, #000 11%, #000 58%, transparent 100%);

	-webkit-mask-image: var(--prg-velo-h), var(--prg-velo-v);
	-webkit-mask-composite: source-in;
	mask-image: var(--prg-velo-h), var(--prg-velo-v);
	mask-composite: intersect;
}

/* Fundir el negro: solo para vídeos rodados sobre negro puro con ropa clara. */
.prg-card--presentador[data-fondo="fundir"] .prg-presentador__video {
	mix-blend-mode: screen;
}

/* Halo de proyección: sugiere que el presentador está proyectado en la sala. */
.prg-presentador__glow {
	position: absolute;
	inset: auto 0 -14% 0;
	height: 42%;
	background: radial-gradient(60% 100% at 50% 0%, rgba(196, 20, 28, 0.4), transparent 70%);
	filter: blur(18px);
	pointer-events: none;
}

.prg-card--presentador:not([data-fondo="marco"]) .prg-card__frame--video::after {
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	box-shadow: inset 0 0 120px 20px rgba(13, 11, 10, 0.85);
}

.prg-presentador__play {
	position: absolute;
	inset: 0;
	display: grid;
	place-content: center;
	justify-items: center;
	gap: 0.9rem;
	border: 0;
	background: rgba(13, 11, 10, 0.42);
	color: #fff;
	cursor: pointer;
	transition: opacity 0.35s, background 0.35s;
}

.prg-presentador__play-icon {
	display: grid;
	place-items: center;
	width: 74px;
	height: 74px;
	border: 2px solid rgba(255, 255, 255, 0.85);
	border-radius: 50%;
	font-size: 1.6rem;
	padding-left: 5px;
	transition: background 0.25s, transform 0.25s;
}

.prg-presentador__play:hover .prg-presentador__play-icon {
	background: var(--pr-red);
	border-color: var(--pr-red);
	transform: scale(1.06);
}

.prg-presentador__play-text {
	font-size: 0.74rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

.prg-card--presentador.is-playing .prg-presentador__play {
	opacity: 0;
	pointer-events: none;
}

.prg-presentador__sound {
	position: absolute;
	right: 12px;
	top: 12px;
	z-index: 2;
	padding: 0.45rem 0.9rem;
	border: 1px solid rgba(255, 255, 255, 0.5);
	border-radius: 999px;
	background: rgba(13, 11, 10, 0.66);
	color: #fff;
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	cursor: pointer;
}

.prg-presentador__sound:hover {
	background: var(--pr-red);
	border-color: var(--pr-red);
}

.prg-card--presentador .prg-card__eyebrow {
	color: var(--pr-gold);
}

/* ------------------------------------------------------- pie del carrusel */

.prg-stage__foot {
	max-width: 1200px;
	margin: clamp(1.5rem, 4vw, 2.6rem) auto 0;
	padding: 0 clamp(1rem, 4vw, 3rem);
	display: none;
	flex-direction: column;
	align-items: center;
	gap: 1.1rem;
}

.prg-stage.is-enhanced .prg-stage__foot {
	display: flex;
}

.prg-contador {
	margin: 0;
	font-size: 0.76rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

.prg-rail {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
	max-width: 100%;
}

.prg-rail__dot {
	width: 42px;
	height: 4px;
	padding: 0;
	border: 0;
	border-radius: 2px;
	background: rgba(244, 239, 230, 0.2);
	cursor: pointer;
	transition: background 0.25s, transform 0.25s;
}

.prg-rail__dot:hover {
	background: rgba(244, 239, 230, 0.45);
}

.prg-rail__dot.is-active {
	background: var(--pr-red-bright);
	transform: scaleY(1.8);
}

.prg-rail__dot--presentador {
	background: rgba(201, 162, 39, 0.55);
	width: 20px;
}

/* ---------------------------------------------------------------- salas */

.prg-salas {
	max-width: 1200px;
	margin: 0 auto;
	padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 3rem) clamp(3rem, 7vw, 5rem);
	border-top: 1px solid var(--pr-line);
}

.prg-salas__title {
	margin: 0 0 1.8rem;
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.prg-salas__list {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 1rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.prg-sala {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
	width: 100%;
	height: 100%;
	padding: 1.3rem 1.4rem;
	border: 1px solid var(--pr-line);
	border-radius: var(--pr-radius);
	background: rgba(244, 239, 230, 0.03);
	text-align: left;
	cursor: pointer;
	transition: border-color 0.22s, background 0.22s, transform 0.22s;
}

.prg-sala:hover {
	border-color: var(--pr-red-bright);
	background: var(--pr-red-soft);
	transform: translateY(-2px);
}

.prg-sala strong {
	font-family: var(--pr-font-display);
	font-size: 1.15rem;
	font-weight: 500;
}

.prg-sala span {
	font-size: 0.86rem;
	color: var(--pr-paper-dim);
}

.prg-sala em {
	font-style: normal;
	font-size: 0.7rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

/* ---------------------------------------------------------- sala vacía */

.prg-empty {
	max-width: 640px;
	margin: 0 auto;
	padding: clamp(2rem, 6vw, 4rem) 1.5rem 5rem;
	text-align: center;
}

.prg-empty h2 {
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: clamp(1.6rem, 4vw, 2.2rem);
	margin: 0 0 1.4rem;
}

.prg-empty ol {
	text-align: left;
	color: var(--pr-paper-dim);
	padding-left: 1.2rem;
	margin: 0 0 2rem;
}

.prg-empty li {
	margin-bottom: 0.6rem;
}

/* ---------------------------------------------------------------- visor */

.prg-visor {
	position: fixed;
	inset: 0;
	/* Por encima de la sala 3D (95): la ficha también se abre desde dentro
	   de la sala, y allí tiene que quedar delante del lienzo. */
	z-index: 120;
	display: grid;
	place-items: center;
	padding: clamp(0.5rem, 3vw, 2.5rem);
}

.prg-visor[hidden] {
	display: none;
}

.prg-visor__backdrop {
	position: absolute;
	inset: 0;
	background: rgba(8, 7, 6, 0.94);
	backdrop-filter: blur(6px);
	border: 0;
	cursor: zoom-out;
}

.prg-visor__panel {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.85fr);
	gap: clamp(1rem, 3vw, 2.5rem);
	width: min(1360px, 100%);
	max-height: 100%;
	padding: clamp(1rem, 3vw, 2rem);
	background: var(--pr-ink-2);
	border: 1px solid var(--pr-line);
	border-radius: var(--pr-radius);
	box-shadow: var(--pr-shadow);
	overflow: hidden;
	animation: prg-pop 0.35s var(--pr-ease);
}

@keyframes prg-pop {
	from { opacity: 0; transform: translateY(14px) scale(0.985); }
	to   { opacity: 1; transform: none; }
}

.prg-visor__media {
	margin: 0;
	display: grid;
	place-items: center;
	min-height: 0;
	background: #0b0a09;
	border-radius: 2px;
}

.prg-visor__media img {
	max-height: min(78vh, 900px);
	width: auto;
	object-fit: contain;
}

.prg-visor__ficha {
	overflow-y: auto;
	max-height: min(78vh, 900px);
	padding-right: 0.5rem;
}

.prg-visor__eyebrow {
	margin: 0 0 0.5rem;
	font-size: 0.68rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--pr-red-bright);
}

.prg-visor__title {
	margin: 0 0 0.8rem;
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: clamp(1.4rem, 2.6vw, 2rem);
	line-height: 1.15;
}

.prg-visor__desc {
	margin: 0 0 1.5rem;
	color: var(--pr-paper-dim);
	font-size: 0.95rem;
}

.prg-visor__subtitle {
	margin: 1.6rem 0 0.6rem;
	font-size: 0.68rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

.prg-visor__transcripcion div {
	max-height: 320px;
	overflow-y: auto;
	padding: 1rem 1.1rem;
	border-left: 2px solid var(--pr-gold);
	background: rgba(244, 239, 230, 0.04);
	font-size: 0.9rem;
	white-space: pre-wrap;
	color: var(--pr-paper-dim);
}

.prg-visor__audio audio,
.prg-obra__audio audio {
	width: 100%;
}

.prg-visor__link {
	margin-top: 1.8rem;
	font-size: 0.82rem;
	letter-spacing: 0.06em;
}

.prg-visor__close {
	position: absolute;
	right: 12px;
	top: 12px;
	z-index: 3;
	width: 40px;
	height: 40px;
	border: 1px solid var(--pr-line);
	border-radius: 50%;
	background: rgba(16, 14, 13, 0.8);
	cursor: pointer;
	transition: background 0.2s;
}

.prg-visor__close:hover {
	background: var(--pr-red);
}

.prg-visor__nav {
	position: absolute;
	top: 50%;
	z-index: 3;
	width: 46px;
	height: 46px;
	transform: translateY(-50%);
	border: 1px solid var(--pr-line);
	border-radius: 50%;
	background: rgba(16, 14, 13, 0.7);
	font-size: 1.7rem;
	line-height: 0;
	cursor: pointer;
	transition: background 0.2s;
}

.prg-visor__nav:hover {
	background: var(--pr-red);
}

.prg-visor__nav--prev { left: 10px; }
.prg-visor__nav--next { left: calc(60.5% - 46px); }

/* ---------------------------------------------------------------- ficha */

.prg-ficha {
	margin: 0;
	border-top: 1px solid var(--pr-line);
}

.prg-ficha__row {
	display: grid;
	grid-template-columns: 38% 1fr;
	gap: 1rem;
	padding: 0.7rem 0;
	border-bottom: 1px solid var(--pr-line);
}

.prg-ficha dt {
	font-size: 0.7rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

.prg-ficha dd {
	margin: 0;
	font-size: 0.92rem;
}

/* ------------------------------------------------------------ sala 3D */

.prg-room {
	position: fixed;
	inset: 0;
	z-index: 95;
	background: #070606;
}

.prg-room[hidden] {
	display: none;
}

.prg-room__canvas {
	display: block;
	width: 100%;
	height: 100%;
	touch-action: none;
	cursor: grab;
}

.prg-room__canvas:active {
	cursor: grabbing;
}

.prg-room__source {
	position: absolute;
	width: 2px;
	height: 2px;
	opacity: 0;
	pointer-events: none;
	left: -10px;
	top: -10px;
}

.prg-room__cargando,
.prg-room__error {
	position: absolute;
	inset: 0;
	display: grid;
	place-content: center;
	justify-items: center;
	gap: 1.2rem;
	background: rgba(7, 6, 6, 0.95);
	text-align: center;
	padding: 2rem;
}

.prg-room__cargando[hidden],
.prg-room__error[hidden] {
	display: none;
}

.prg-room__cargando p,
.prg-room__error p {
	margin: 0;
	max-width: 40ch;
	color: var(--pr-paper-dim);
	font-size: 0.86rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

.prg-room__spinner {
	width: 46px;
	height: 46px;
	border: 2px solid rgba(244, 239, 230, 0.18);
	border-top-color: var(--pr-red-bright);
	border-radius: 50%;
	animation: prg-spin 0.9s linear infinite;
}

@keyframes prg-spin {
	to { transform: rotate(360deg); }
}

.prg-room__hud {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	padding: clamp(1rem, 3vw, 1.8rem);
	pointer-events: none;
}

.prg-room__hud-top {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem;
}

.prg-room__hud-top .prg-btn,
.prg-room__galerias,
.prg-room__hud-bottom,
.prg-room__error button {
	pointer-events: auto;
}

/* Conmutador de exposición dentro de la sala: queda centrado arriba, entre el
   rótulo de la obra y la salida, para que no compita con ninguno de los dos. */
.prg-room__galerias {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.4rem;
	padding: 0.35rem;
	border-radius: 999px;
	background: rgba(7, 6, 6, 0.72);
	backdrop-filter: blur(4px);
}

.prg-room__chip {
	padding: 0.42rem 0.95rem;
	border: 1px solid transparent;
	border-radius: 999px;
	background: transparent;
	color: var(--pr-paper-dim);
	font-size: 0.74rem;
	letter-spacing: 0.06em;
	cursor: pointer;
	transition: background 0.2s, color 0.2s;
}

.prg-room__chip:hover {
	color: var(--pr-paper);
}

.prg-room__chip.is-active {
	background: var(--pr-red);
	color: var(--pr-paper);
	font-weight: 600;
}

@media (max-width: 640px) {
	.prg-room__galerias {
		order: 3;
		width: 100%;
	}

	.prg-room__chip {
		padding: 0.36rem 0.7rem;
		font-size: 0.68rem;
	}
}

.prg-room__rotulo {
	margin: 0;
	max-width: 46ch;
	padding: 0.9rem 1.2rem;
	border-left: 2px solid var(--pr-red-bright);
	background: rgba(7, 6, 6, 0.72);
	backdrop-filter: blur(4px);
	font-family: var(--pr-font-display);
	font-size: clamp(1rem, 2vw, 1.35rem);
	line-height: 1.3;
}

.prg-room__rotulo small {
	display: block;
	margin-top: 0.35rem;
	font-family: var(--pr-font-ui);
	font-size: 0.74rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

.prg-room__hud-bottom {
	display: flex;
	align-self: center;
	gap: 0.5rem;
	padding: 0.5rem;
	border: 1px solid var(--pr-line);
	border-radius: 999px;
	background: rgba(7, 6, 6, 0.76);
	backdrop-filter: blur(6px);
}

.prg-room__btn {
	min-width: 46px;
	height: 46px;
	padding: 0 0.9rem;
	border: 0;
	border-radius: 999px;
	background: transparent;
	color: var(--pr-paper);
	font-size: 1.4rem;
	line-height: 1;
	cursor: pointer;
	transition: background 0.2s;
}

.prg-room__btn--wide {
	font-size: 0.76rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	padding: 0 1.2rem;
}

.prg-room__btn:hover {
	background: var(--pr-red);
}

.prg-room__btn.is-on {
	background: var(--pr-red);
}

.prg-room__btn:disabled {
	opacity: 0.35;
	cursor: default;
}

.prg-room__btn:disabled:hover {
	background: transparent;
}

.prg-room__ayuda {
	position: absolute;
	left: 50%;
	bottom: clamp(0.6rem, 2vw, 1rem);
	transform: translateX(-50%);
	margin: 0;
	font-size: 0.68rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
	transition: opacity 0.6s;
	white-space: nowrap;
}

.prg-room__ayuda.is-faded {
	opacity: 0;
}

/* ------------------------------------------------------- ficha / archivo */

.prg-obra__volver {
	font-size: 0.78rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
	margin: 0 0 2rem;
}

.prg-obra__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.35fr) minmax(280px, 1fr);
	gap: clamp(1.5rem, 4vw, 3.5rem);
	align-items: start;
}

.prg-obra__media {
	margin: 0;
	padding: clamp(12px, 2vw, 26px);
	background: #fbf9f5;
	box-shadow: var(--pr-shadow);
	border-radius: var(--pr-radius);
}

.prg-obra__eyebrow {
	margin: 0 0 0.5rem;
	font-size: 0.7rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--pr-red-bright);
}

.prg-obra__title {
	margin: 0 0 1.2rem;
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: clamp(1.8rem, 4vw, 2.8rem);
	line-height: 1.1;
}

.prg-obra__body {
	color: var(--pr-paper-dim);
	margin-bottom: 1.5rem;
}

.prg-obra__transcripcion {
	margin-top: 1.5rem;
	padding: 1.2rem 1.3rem;
	border-left: 2px solid var(--pr-gold);
	background: rgba(244, 239, 230, 0.04);
	font-size: 0.92rem;
	color: var(--pr-paper-dim);
}

.prg-obra__nav {
	display: flex;
	justify-content: space-between;
	gap: 1.5rem;
	margin-top: clamp(2.5rem, 6vw, 4rem);
	padding-top: 1.5rem;
	border-top: 1px solid var(--pr-line);
}

.prg-obra__nav-link {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	text-decoration: none;
	max-width: 45%;
}

.prg-obra__nav-link--next {
	text-align: right;
	margin-left: auto;
}

.prg-obra__nav-link span {
	font-size: 0.7rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--pr-paper-mute);
}

.prg-obra__nav-link strong {
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: 1.05rem;
}

.prg-archivo__head {
	margin-bottom: 2.5rem;
}

.prg-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
	gap: 2rem 1.5rem;
}

.prg-grid__item a {
	text-decoration: none;
	display: block;
}

.prg-grid__item img {
	width: 100%;
	aspect-ratio: 4 / 3;
	object-fit: cover;
	background: #1d1917;
	border-radius: 2px;
	margin-bottom: 0.8rem;
}

.prg-grid__item h2 {
	margin: 0;
	font-family: var(--pr-font-display);
	font-weight: 500;
	font-size: 1.1rem;
}

.prg-grid__item p {
	margin: 0.2rem 0 0;
	font-size: 0.8rem;
	color: var(--pr-paper-mute);
}

.prg-paginacion {
	margin-top: 3rem;
	font-size: 0.85rem;
}

.prg-paginacion .page-numbers {
	padding: 0.4rem 0.7rem;
	text-decoration: none;
}

.prg-paginacion .current {
	background: var(--pr-red);
	border-radius: 3px;
}

/* ------------------------------------------------------------------ pie */

.prg-foot {
	position: relative;
	z-index: 1;
	padding: 2.5rem clamp(1rem, 4vw, 3rem);
	border-top: 1px solid var(--pr-line);
	text-align: center;
}

.prg-foot__org {
	margin: 0 0 0.4rem;
	font-family: var(--pr-font-display);
	font-size: 1rem;
}

.prg-foot__meta {
	margin: 0;
	font-size: 0.76rem;
	letter-spacing: 0.08em;
	color: var(--pr-paper-mute);
}

/* ------------------------------------------------------------ responsive */

@media (max-width: 1024px) {
	.prg-visor__panel {
		grid-template-columns: 1fr;
		max-height: 94vh;
		overflow-y: auto;
	}

	.prg-visor__media img {
		max-height: 52vh;
	}

	.prg-visor__ficha {
		max-height: none;
		overflow: visible;
	}

	.prg-visor__nav--next {
		left: auto;
		right: 10px;
	}

	.prg-obra__grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 780px) {
	.prg-topbar {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.8rem;
	}

	.prg-topnav__list {
		gap: 1.1rem;
		font-size: 0.76rem;
	}

	/* En pantallas estrechas las flechas se superponen a la escena: si
	   ocupasen su propia columna, la tarjeta activa quedaría recortada. */
	.prg-carousel {
		padding: 0;
	}

	.prg-stage.is-enhanced .prg-nav {
		position: absolute;
		top: 34%;
		z-index: 60;
		background: rgba(16, 14, 13, 0.82);
		backdrop-filter: blur(4px);
	}

	.prg-stage.is-enhanced .prg-nav--prev {
		left: 6px;
	}

	.prg-stage.is-enhanced .prg-nav--next {
		right: 6px;
	}

	.prg-stage.is-enhanced .prg-card {
		width: min(74vw, 320px);
	}

	.prg-stage.is-enhanced .prg-deck {
		height: clamp(360px, 58vh, 520px);
	}

	.prg-room__ayuda {
		white-space: normal;
		width: min(90vw, 34ch);
		text-align: center;
	}

	.prg-room__hud-bottom {
		width: 100%;
		justify-content: center;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

/* Impresión: la ficha, sin la sala. */
@media print {
	body { background: #fff; color: #000; }
	.prg-topbar, .prg-foot, .prg-visor, .prg-room, .prg-nav, .prg-stage__foot { display: none !important; }
}