/* =============================================================================
   styles.css — Galería de Logros La Salle Bajío
   Índice:
   1. Tokens y overrides de Bulma      7. Biblioteca: tarjetas
   2. Base y accesibilidad              8. Biblioteca: vista lista
   3. Preloader y cursor                9. Modal de proyecto
   4. Navbar                           10. Pared de galería
   5. Hero                             11. Cierre y footer
   6. Cifras y destacados              12. Sonido, avisos y movimiento reducido
   ============================================================================= */

/* ---------- 1. Tokens y overrides de Bulma ---------- */
:root {
  --azul-lasalle: #002855;
  --rojo-lasalle: #C8102E;
  --rojo-claro: #E8344F;
  --blanco: #FFFFFF;
  --azul-noche: #0A1628;
  --dorado: #F2C14E;
  --tinta: #E8EEF7;          /* texto principal sobre oscuro */
  --tinta-suave: #A9B7CC;    /* texto secundario (AA sobre azul noche) */
  --superficie: #0F2142;     /* tarjetas */
  --superficie-2: #14294F;
  --borde: rgba(255, 255, 255, 0.10);
  --sombra: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --radio: 16px;
  --fuente-display: "Sora", system-ui, sans-serif;
  --fuente-texto: "Inter", system-ui, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);

  /* Bulma 1.x: el primario es el rojo institucional */
  --bulma-primary-h: 351deg;
  --bulma-primary-s: 85%;
  --bulma-primary-l: 42%;
  --bulma-primary-invert-l: 100%;
  --bulma-link-h: 43deg;
  --bulma-link-s: 86%;
  --bulma-link-l: 63%;
  --bulma-danger-h: 351deg;
  --bulma-danger-s: 85%;
  --bulma-danger-l: 42%;
  --bulma-warning-h: 42deg;
  --bulma-warning-s: 86%;
  --bulma-warning-l: 63%;
  --bulma-family-primary: var(--fuente-texto);
  --bulma-family-secondary: var(--fuente-display);
  --bulma-scheme-main: var(--azul-noche);
  --bulma-body-background-color: var(--azul-noche);
  --bulma-text: var(--tinta);
  --bulma-text-strong: var(--blanco);
  --bulma-title-color: var(--blanco);
  --bulma-subtitle-color: var(--tinta-suave);
  --bulma-radius: 10px;
}

/* ---------- 2. Base y accesibilidad ---------- */
html { scroll-behavior: smooth; scroll-padding-top: 3.5rem; background: var(--azul-noche); overflow-x: hidden; }
body {
  font-family: var(--fuente-texto);
  color: var(--tinta);
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(0, 40, 85, .9), transparent 60%),
    linear-gradient(180deg, var(--azul-noche) 0%, #060E1C 100%);
  background-color: var(--azul-noche);
  overflow-x: hidden;
}
.title, .hero-titulo, .cifra { font-family: var(--fuente-display); letter-spacing: -0.02em; }
.title { color: var(--blanco); }
a { color: var(--dorado); }
a:hover { color: var(--blanco); }

/* Foco visible y consistente */
:focus-visible {
  outline: 3px solid var(--dorado);
  outline-offset: 3px;
  border-radius: 6px;
}
.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 1000;
  background: var(--dorado); color: var(--azul-noche); padding: .6rem 1rem; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 16px; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .2em; font-size: .78rem; font-weight: 600;
  color: var(--dorado); margin-bottom: .6rem;
}
.encabezado-seccion { margin-bottom: 2.5rem; }
.linea-titulo {
  display: block; width: 88px; height: 4px; border-radius: 4px; margin-top: .8rem;
  background: linear-gradient(90deg, var(--rojo-lasalle), var(--dorado));
  transform-origin: left center;
}
.section { padding: 6rem 1rem; position: relative; }
@media (min-width: 769px) { .section { padding: 7rem 1.5rem; } }

.boton-icono {
  display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--borde); background: rgba(10, 22, 40, .7); color: var(--blanco);
  cursor: pointer; backdrop-filter: blur(8px); transition: background .2s, transform .2s;
}
.boton-icono:hover { background: var(--rojo-lasalle); transform: scale(1.06); }

/* ---------- 3. Preloader y cursor ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 2000; display: grid; place-content: center; gap: 1.5rem;
  background: var(--azul-noche); justify-items: center;
}
.preloader-logo { width: 240px; height: auto; }
.preloader-barra { width: 220px; height: 3px; background: rgba(255,255,255,.12); border-radius: 3px; overflow: hidden; }
.preloader-barra span { display: block; height: 100%; width: 100%; background: var(--rojo-lasalle); transform: scaleX(0); transform-origin: left; }
.preloader-cortina { position: absolute; inset: 0; background: var(--rojo-lasalle); transform: scaleY(0); transform-origin: bottom; }
html.sin-js #preloader, html.listo #preloader { display: none; }

#cursor {
  position: fixed; top: 0; left: 0; width: 28px; height: 28px; margin: -14px 0 0 -14px;
  border: 2px solid var(--dorado); border-radius: 50%; pointer-events: none; z-index: 3000;
  mix-blend-mode: difference; opacity: 0; transition: width .25s, height .25s, margin .25s, background .25s, opacity .3s;
}
#cursor.activo { opacity: 1; }
#cursor.grande { width: 64px; height: 64px; margin: -32px 0 0 -32px; background: rgba(242, 193, 78, .15); }
@media (hover: none), (pointer: coarse) { #cursor { display: none; } }

/* ---------- 4. Navbar ---------- */
.navbar {
  background: transparent; transition: background .35s, box-shadow .35s, backdrop-filter .35s;
  --bulma-navbar-item-color: var(--tinta);
  --bulma-navbar-item-hover-background-l-delta: 0%;
}
.navbar.con-scroll {
  background: rgba(10, 22, 40, .72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 var(--borde);
}
.navbar-item img { max-height: 2.5rem; width: auto; }
.navbar-menu .navbar-item {
  font-weight: 500; position: relative; background: transparent !important; color: var(--tinta);
}
.navbar-menu .navbar-item::after {
  content: ""; position: absolute; left: .75rem; right: .75rem; bottom: .4rem; height: 2px;
  background: var(--rojo-lasalle); transform: scaleX(0); transition: transform .3s var(--ease);
}
.navbar-menu .navbar-item:hover::after, .navbar-menu .navbar-item.is-active::after { transform: scaleX(1); }
.navbar-burger { color: var(--blanco); }
@media (max-width: 1023px) {
  .navbar-menu { background: rgba(10, 22, 40, .96); backdrop-filter: blur(12px); box-shadow: var(--sombra); }
}

/* ---------- 5. Hero ---------- */
#inicio { position: relative; overflow: hidden; isolation: isolate; }
.capa-particulas { position: absolute; inset: 0; z-index: 0; }
.capa-particulas canvas { pointer-events: auto; }
#inicio .hero-body { position: relative; z-index: 1; pointer-events: none; }
#inicio .hero-body a { pointer-events: auto; }
#inicio::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 30%; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent, var(--azul-noche));
}
.hero-kicker { text-transform: uppercase; letter-spacing: .32em; font-size: .8rem; color: var(--dorado); margin-bottom: 1.2rem; }
.hero-titulo {
  font-size: clamp(2.6rem, 9vw, 7rem); font-weight: 800; line-height: 1.02; color: var(--blanco);
  margin-bottom: 1.2rem; text-wrap: balance;
}
.hero-titulo .char { display: inline-block; }
.hero-titulo .linea-mascara { overflow: hidden; padding-bottom: .08em; }
.hero-subtitulo { font-size: clamp(1.05rem, 2.4vw, 1.4rem); color: var(--tinta-suave); margin-bottom: 2.4rem; }
.hero-cta { font-weight: 600; border-radius: 999px; padding-inline: 2rem; box-shadow: 0 10px 30px -10px rgba(200, 16, 46, .8); }
.indicador-scroll {
  position: absolute; left: 50%; bottom: 28px; z-index: 2; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.6); border-radius: 14px;
}
.indicador-scroll span {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px;
  background: var(--blanco); animation: rueda 1.8s infinite;
}
@keyframes rueda { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- 6. Cifras y destacados ---------- */
.cifras { text-align: center; }
.cifra { font-size: clamp(2.8rem, 7vw, 4.8rem); font-weight: 800; color: var(--blanco); line-height: 1; }
.cifra-label { color: var(--tinta-suave); margin-top: .5rem; font-weight: 500; }

#destacados { position: relative; overflow: hidden; }
.destacados-pin { min-height: 100vh; display: flex; align-items: center; }
.destacados-pista { display: flex; gap: 4vw; padding: 0 6vw; will-change: transform; }
.destacado-intro { flex: 0 0 min(420px, 80vw); align-self: center; }
.destacado-ayuda { color: var(--tinta-suave); margin-top: 1.5rem; }
.destacado-panel {
  flex: 0 0 min(72vw, 980px); position: relative; border-radius: 24px; overflow: hidden;
  aspect-ratio: 16 / 10; background: var(--superficie); box-shadow: var(--sombra); cursor: pointer;
  border: 1px solid var(--borde);
}
.destacado-panel img, .destacado-panel video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.destacado-panel::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6, 14, 28, .92));
}
.destacado-texto { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: clamp(1.2rem, 3vw, 2.5rem); }
.destacado-texto .title { font-size: clamp(1.5rem, 3.4vw, 2.8rem); margin-bottom: .4rem; }
.destacado-texto p { color: var(--tinta); max-width: 60ch; }
.destacado-insignia {
  display: inline-flex; gap: .4rem; align-items: center; margin-bottom: .8rem;
  background: rgba(242, 193, 78, .15); color: var(--dorado); border: 1px solid rgba(242, 193, 78, .5);
  border-radius: 999px; padding: .25rem .8rem; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
}
/* Móvil / movimiento reducido: los paneles se apilan en vertical */
@media (max-width: 768px) {
  .destacados-pin { min-height: 0; padding: 5rem 0 2rem; }
  .destacados-pista { flex-direction: column; padding: 0 1rem; gap: 1.5rem; }
  .destacado-intro, .destacado-panel { flex: 1 1 auto; width: 100%; }
  .destacado-panel { aspect-ratio: 4 / 5; }
}
.reducido .destacados-pista { flex-wrap: wrap; justify-content: center; }
.reducido .destacados-pin { padding: 5rem 0; }

/* ---------- 7. Biblioteca: barra, filtros y tarjetas ---------- */
.galeria-contenedor { max-width: 1680px; }
.barra-galeria { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-bottom: 1.4rem; }
.buscador { flex: 1 1 320px; max-width: 560px; margin-bottom: 0 !important; }
.buscador .input {
  background: rgba(255,255,255,.05); border-color: var(--borde); color: var(--blanco); border-radius: 999px;
}
.buscador .input::placeholder { color: var(--tinta-suave); }
.buscador .icon { color: var(--tinta-suave); }
.acciones-galeria { display: flex; gap: .75rem; flex-wrap: wrap; }
.acciones-galeria .buttons { margin-bottom: 0; }
.selector-vista .button { background: rgba(255,255,255,.05); border-color: var(--borde); color: var(--tinta); margin-bottom: 0; }
.selector-vista .button[aria-pressed="true"] { background: var(--rojo-lasalle); border-color: var(--rojo-lasalle); color: var(--blanco); }
.boton-sorpresa { font-weight: 600; color: var(--azul-noche) !important; }

.filtros { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .8rem; }
.chip {
  border: 1px solid var(--borde); background: rgba(255,255,255,.04); color: var(--tinta);
  border-radius: 999px; padding: .45rem 1rem; font: 500 .9rem var(--fuente-texto); cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.chip:hover { border-color: rgba(255,255,255,.35); }
.chip[aria-pressed="true"] { background: var(--rojo-lasalle); border-color: var(--rojo-lasalle); color: var(--blanco); }
.filtros-herramienta .chip { font-size: .8rem; padding: .3rem .8rem; }
.filtros-herramienta .chip[aria-pressed="true"] { background: var(--dorado); border-color: var(--dorado); color: var(--azul-noche); }
.filtros-herramienta::before {
  content: "Herramientas"; align-self: center; font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; color: var(--tinta-suave); margin-right: .25rem;
}
.resultado-conteo { color: var(--tinta-suave); font-size: .9rem; margin: .4rem 0 1.2rem; }

/* Tarjeta */
@property --angulo { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
.portfolio-card {
  position: relative; height: 100%; display: flex; flex-direction: column;
  background: var(--superficie); color: var(--tinta); border-radius: var(--radio);
  box-shadow: var(--sombra); cursor: pointer; transform-style: preserve-3d; isolation: isolate;
  --mx: 50%; --my: 50%;
  --bulma-card-background-color: var(--superficie);
}
/* Borde animado rojo→dorado */
.portfolio-card::before {
  content: ""; position: absolute; inset: -2px; z-index: -1; border-radius: calc(var(--radio) + 2px);
  background: conic-gradient(from var(--angulo), var(--rojo-lasalle), var(--dorado), var(--rojo-lasalle), var(--dorado), var(--rojo-lasalle));
  opacity: 0; transition: opacity .35s;
  animation: girar-borde 4s linear infinite paused;
}
.portfolio-card:hover::before, .portfolio-card:focus-visible::before { opacity: 1; animation-play-state: running; }
.portfolio-card:focus-visible { outline: none; }
@keyframes girar-borde { to { --angulo: 360deg; } }
/* Reflejo de luz que sigue al cursor */
.portfolio-card .brillo {
  position: absolute; inset: 0; z-index: 3; border-radius: var(--radio); pointer-events: none;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255,255,255,.16), transparent 45%);
  opacity: 0; transition: opacity .3s;
}
.portfolio-card:hover .brillo { opacity: 1; }

.portfolio-card .card-image { border-radius: var(--radio) var(--radio) 0 0; overflow: hidden; position: relative; }
.portfolio-card .card-image .image { overflow: hidden; background: var(--superficie-2); }
.portfolio-card .card-image img,
.portfolio-card .card-image video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform .7s var(--ease), opacity .45s;
}
.portfolio-card .card-image video { opacity: 0; }
.portfolio-card.reproduciendo .card-image video { opacity: 1; }
.portfolio-card:hover .card-image img, .portfolio-card:hover .card-image video,
.portfolio-card:focus-visible .card-image img { transform: scale(1.07); }

/* Portada de marcador para proyectos sin imagen disponible */
.portada-marcador {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center; padding: 1rem;
  background:
    radial-gradient(circle at 30% 20%, rgba(200,16,46,.55), transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(242,193,78,.35), transparent 50%),
    var(--azul-lasalle);
  font-family: var(--fuente-display); font-weight: 800; font-size: 1.6rem; color: var(--blanco);
}
.portada-marcador small { display: block; font: 500 .75rem var(--fuente-texto); color: var(--tinta); margin-top: .4rem; letter-spacing: .04em; }

.categoria-tag { position: absolute; top: 12px; left: 12px; z-index: 2; font-weight: 600; }
.insignias { position: absolute; top: 12px; right: 12px; z-index: 2; display: flex; gap: .35rem; }
.insignia {
  display: inline-flex; align-items: center; justify-content: center; gap: .3rem; height: 28px; min-width: 28px; padding: 0 .5rem; border-radius: 999px; white-space: nowrap;
  background: rgba(10, 22, 40, .8); color: var(--blanco); font-size: .72rem; font-weight: 600; backdrop-filter: blur(6px);
}
.insignia.dorada { background: var(--dorado); color: var(--azul-noche); }

/* Overlay con descripción y herramientas */
.card-overlay {
  position: absolute; inset: auto 0 0 0; z-index: 2; padding: 2.5rem 1rem 1rem;
  background: linear-gradient(180deg, transparent, rgba(6, 14, 28, .95) 45%);
  transform: translateY(101%); transition: transform .45s var(--ease);
  font-size: .86rem; color: var(--tinta);
}
.portfolio-card:hover .card-overlay, .portfolio-card:focus-visible .card-overlay { transform: translateY(0); }
.desc-movil { display: none; }
#grid.vista-lista .desc-movil { display: none !important; }
.card-overlay .mini-tags, .desc-movil .mini-tags { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .5rem; }
.mini-tag { font-size: .7rem; padding: .1rem .5rem; border-radius: 999px; border: 1px solid rgba(242,193,78,.5); color: var(--dorado); }

.portfolio-card .card-content { padding: 1.1rem 1.2rem .8rem; flex: 1; background: transparent; }
.portfolio-card .card-content .title { margin-bottom: .35rem !important; line-height: 1.25; }
.portfolio-card .card-content .subtitle {
  color: var(--tinta-suave); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.portfolio-card .card-footer { border-top: 1px solid var(--borde); }
.portfolio-card .card-footer-item { color: var(--dorado); font-weight: 600; gap: .4rem; border-color: var(--borde) !important; }
.portfolio-card .card-footer-item:hover { color: var(--blanco); background: rgba(200,16,46,.25); }
.portfolio-card.es-perfil { background: linear-gradient(160deg, #1A2F5A, var(--superficie) 60%); }

/* Táctil: sin hover, información siempre visible y feedback al tocar */
@media (hover: none) {
  .card-overlay { display: none; }
  .desc-movil { display: block !important; font-size: .88rem; margin-top: .6rem; color: var(--tinta); }
  .portfolio-card:active { transform: scale(.98); transition: transform .15s; }
}

/* Selección ganadora de "Sorpréndeme" */
.portfolio-card.ganadora { box-shadow: 0 0 0 3px var(--dorado), 0 0 60px rgba(242,193,78,.55); }

/* ---------- 8. Biblioteca: vista lista ---------- */
#grid.vista-lista > .column { width: 100%; flex: none; padding-block: .35rem; }
#grid.vista-lista .portada-marcador { font-size: .95rem; }
#grid.vista-lista .portada-marcador small { display: none; }
#grid.vista-lista .portfolio-card { flex-direction: row; align-items: stretch; }
#grid.vista-lista .card-image { width: 180px; flex: 0 0 180px; border-radius: var(--radio) 0 0 var(--radio); }
#grid.vista-lista .card-image .image { height: 100%; padding-top: 0 !important; min-height: 92px; }
#grid.vista-lista .card-overlay, #grid.vista-lista .insignias, #grid.vista-lista .categoria-tag { display: none; }
#grid.vista-lista .card-content { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: .4rem 1.2rem; align-items: center; }
#grid.vista-lista .lista-extra { display: block; }
#grid.vista-lista .card-footer { border-top: 0; border-left: 1px solid var(--borde); }
#grid.vista-lista .card-footer-item { padding-inline: 1.4rem; }
.lista-extra { display: none; color: var(--tinta-suave); font-size: .85rem; }
.lista-extra .tag { margin: 0 .25rem .25rem 0; }
@media (max-width: 768px) {
  #grid.vista-lista .card-image { width: 104px; flex-basis: 104px; }
  #grid.vista-lista .card-content { grid-template-columns: 1fr; }
  #grid.vista-lista .lista-extra.herr { display: none; }
  #grid.vista-lista .card-footer { display: none; }
}

.sin-resultados { text-align: center; padding: 4rem 1rem; color: var(--tinta-suave); }
.sin-resultados > i { font-size: 3rem; color: var(--dorado); margin-bottom: 1rem; }
.sin-resultados .button.is-text { color: var(--dorado); padding: 0; height: auto; vertical-align: baseline; }

/* ---------- 9. Modal de proyecto ---------- */
.modal { z-index: 1650; }
.modal-background { background: rgba(4, 9, 20, .86); backdrop-filter: blur(6px); }
.modal-proyecto {
  position: relative; z-index: 1; width: min(1200px, calc(100vw - 32px)); max-height: calc(100vh - 32px);
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); overflow: hidden;
  background: var(--superficie); border: 1px solid var(--borde); border-radius: 22px; box-shadow: var(--sombra);
}
.modal-proyecto:focus { outline: none; }
.modal-cerrar { position: absolute; top: 14px; right: 14px; z-index: 5; }
.modal-media { background: #050B17; display: flex; flex-direction: column; min-height: 0; }
.modal-tabs { margin: .8rem .8rem 0 !important; }
.modal-tabs:empty { display: none; }
.modal-tabs ul { border: 0; }
.modal-tabs a { color: var(--tinta); border-color: var(--borde) !important; background: rgba(255,255,255,.04); }
.modal-tabs li.is-active a { background: var(--rojo-lasalle) !important; border-color: var(--rojo-lasalle) !important; color: var(--blanco); }
.modal-escenario { position: relative; flex: 1; min-height: 300px; aspect-ratio: 4 / 3; overflow: hidden; margin: .8rem; border-radius: 14px; background: #000; }
.modal-escenario > img, .modal-escenario > video, .modal-escenario > iframe { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; border: 0; }
.modal-escenario .marcador-vacio { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; padding: 2rem; color: var(--tinta-suave); }
.modal-miniaturas { display: flex; gap: .5rem; overflow-x: auto; padding: 0 .8rem .8rem; scrollbar-width: thin; }
.modal-miniaturas:empty { display: none; }
.modal-miniaturas button {
  flex: 0 0 72px; height: 54px; border-radius: 8px; overflow: hidden; border: 2px solid transparent; padding: 0; cursor: pointer; background: #000; opacity: .65;
}
.modal-miniaturas button[aria-current="true"] { border-color: var(--dorado); opacity: 1; }
.modal-miniaturas button { position: relative; }
.modal-miniaturas img { width: 100%; height: 100%; object-fit: cover; }
.mini-play { position: absolute; inset: 0; display: grid; place-items: center; color: var(--blanco); background: rgba(0,0,0,.35); font-size: .9rem; }
.modal-info { padding: 2.2rem 1.8rem 1.6rem; overflow-y: auto; display: flex; flex-direction: column; gap: .9rem; }
.modal-info .title { margin: 0 !important; padding-right: 2.5rem; }
.modal-info .subtitle { margin: 0 !important; }
.modal-info .tag.is-danger { align-self: flex-start; }
#modal-descripcion { color: var(--tinta); }
#modal-herramientas .tag { background: rgba(242,193,78,.12); color: var(--dorado); border: 1px solid rgba(242,193,78,.4); }
#modal-behance { font-weight: 600; border-radius: 12px; white-space: normal; height: auto; min-height: 2.75em; }
.cta-contextual {
  background: var(--azul-lasalle); border-radius: 14px; padding: 1rem 1.1rem; color: var(--blanco);
  display: flex; flex-direction: column; gap: .6rem; border: 1px solid rgba(255,255,255,.08);
}
.cta-contextual p { font-weight: 600; font-family: var(--fuente-display); }
.cta-contextual .button { align-self: flex-start; }
.modal-nav { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-top: auto; padding-top: .5rem; }
.modal-nav .button { background: rgba(255,255,255,.06); color: var(--tinta); border: 1px solid var(--borde); }
.modal-posicion { color: var(--tinta-suave); font-size: .85rem; }

/* Visor de giro por arrastre */
.visor-giro { position: absolute; inset: 0; cursor: grab; touch-action: pan-y; user-select: none; }
.visor-giro:active { cursor: grabbing; }
.visor-giro img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.visor-giro .visor-ayuda {
  position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); z-index: 2;
  background: rgba(10,22,40,.8); color: var(--blanco); font-size: .8rem; border-radius: 999px; padding: .3rem .9rem; white-space: nowrap;
}
.visor-3d-lista { position: absolute; left: 12px; top: 12px; z-index: 2; display: flex; gap: .4rem; flex-wrap: wrap; }
.visor-3d-lista button { background: rgba(10,22,40,.85); color: var(--blanco); border: 1px solid var(--borde); border-radius: 999px; padding: .25rem .8rem; font-size: .8rem; cursor: pointer; }
.visor-3d-lista button[aria-pressed="true"] { background: var(--rojo-lasalle); border-color: var(--rojo-lasalle); }
.modal-escenario model-viewer { width: 100%; height: 100%; --poster-color: transparent; }

@media (max-width: 900px) {
  .modal-proyecto { display: block; overflow-y: auto; overscroll-behavior: contain; }
  .modal-media { min-height: auto; }
  .modal-escenario { min-height: 0; flex: none; }
  .modal-info { overflow: visible; padding: 1.4rem 1.2rem; }
}

/* ---------- 10. Pared de galería ---------- */
.pared { position: fixed; inset: 0; z-index: 1400; background: #03070F; color: var(--blanco); overflow: hidden; }
.pared[hidden] { display: none; }
.pared-escena { position: absolute; inset: 0; }
.pared-pieza { position: absolute; inset: 0; }
.pared-pieza video, .pared-pieza img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.pared-pieza .fondo { object-fit: cover; filter: blur(40px) brightness(.35); transform: scale(1.2); }
.pared-info {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 4rem clamp(1rem, 5vw, 4rem) 5.5rem;
  background: linear-gradient(180deg, transparent, rgba(3,7,15,.95));
}
.pared-info .title { font-size: clamp(1.6rem, 4vw, 3.2rem); margin-bottom: .3rem; }
.pared-info .subtitle { margin-bottom: 1rem !important; }
.pared-info .buttons { margin-top: .5rem; }
.pared-cerrar { position: absolute; top: 18px; right: 18px; z-index: 3; }
.pared-flecha { position: absolute; top: 50%; z-index: 3; transform: translateY(-50%); width: 56px; height: 56px; }
.pared-flecha:hover { transform: translateY(-50%) scale(1.06); }
.pared-anterior { left: 18px; }
.pared-siguiente { right: 18px; }
.pared-ayuda { position: absolute; top: 26px; left: 50%; transform: translateX(-50%); z-index: 3; font-size: .8rem; color: var(--tinta-suave); white-space: nowrap; }
.pared-contador { font-family: var(--fuente-display); color: var(--dorado); font-weight: 700; }
@media (max-width: 768px) { .pared-flecha { display: none; } .pared-ayuda { top: 80px; } }

/* ---------- 11. Cierre y footer ---------- */
#cierre { min-height: 80vh; display: flex; align-items: center; overflow: hidden; isolation: isolate;
  background: radial-gradient(900px 500px at 50% 110%, rgba(242,193,78,.18), transparent 70%); }
.cierre-contenido { position: relative; z-index: 1; pointer-events: none; }
.cierre-contenido a { pointer-events: auto; }
#cierre .title { font-size: clamp(2rem, 5.5vw, 4rem); line-height: 1.1; text-wrap: balance; }
.cierre-texto { color: var(--tinta-suave); font-size: 1.15rem; max-width: 640px; margin: 0 auto 2.2rem; }
#cierre .button { border-radius: 999px; font-weight: 600; }

.footer { background: #050B17; color: var(--tinta-suave); padding: 3rem 1.5rem; border-top: 1px solid var(--borde); position: relative; z-index: 1; }
.footer .redes a {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; margin: 0 .25rem;
  border: 1px solid var(--borde); color: var(--blanco); transition: background .2s;
}
.footer .redes a:hover { background: var(--rojo-lasalle); }
.footer .creditos { font-size: .82rem; }
.footer .creditos p + p { margin-top: .6rem; }

/* ---------- 12. Sonido, avisos y movimiento reducido ---------- */
.boton-sonido {
  position: fixed; left: 18px; bottom: 18px; z-index: 1600; width: 52px; height: 52px; border-radius: 50%;
  background: rgba(10,22,40,.85); border: 1px solid var(--borde); cursor: pointer; display: grid; place-items: center;
  backdrop-filter: blur(8px); box-shadow: var(--sombra);
}
.boton-sonido:hover { border-color: var(--dorado); }
.ecualizador { display: flex; align-items: flex-end; gap: 3px; height: 18px; }
.ecualizador i { width: 3px; height: 5px; background: var(--tinta-suave); border-radius: 2px; transition: height .3s; }
.boton-sonido[aria-pressed="true"] .ecualizador i { background: var(--dorado); animation: eq 1s ease-in-out infinite; }
.boton-sonido[aria-pressed="true"] .ecualizador i:nth-child(2) { animation-delay: -.3s; }
.boton-sonido[aria-pressed="true"] .ecualizador i:nth-child(3) { animation-delay: -.6s; }
.boton-sonido[aria-pressed="true"] .ecualizador i:nth-child(4) { animation-delay: -.15s; }
@keyframes eq { 0%, 100% { height: 4px; } 50% { height: 18px; } }

.aviso {
  position: fixed; left: 50%; bottom: 24px; z-index: 1700; transform: translate(-50%, 140%);
  background: var(--superficie-2); color: var(--blanco); border: 1px solid var(--borde); border-radius: 12px;
  padding: .7rem 1.1rem; box-shadow: var(--sombra); transition: transform .4s var(--ease); max-width: calc(100vw - 32px); font-size: .9rem;
}
.aviso.visible { transform: translate(-50%, 0); }

html.modal-abierto, html.modal-abierto body { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .15s !important; }
  .portfolio-card:hover .card-image img { transform: none; }
}
.aviso:not(.visible) { visibility: hidden; transition: transform .4s var(--ease), visibility 0s .4s; }
@media (max-width: 768px) {
  #cierre .buttons .button, .hero-cta { font-size: 1rem; height: auto; white-space: normal; padding-block: .8em; }
  .barra-galeria .acciones-galeria { width: 100%; justify-content: space-between; }
}
.footer { padding-bottom: 6rem; }