/* ==========================================================================
   AndersSolutions — componentes interactivos
   - "Encendé la luz"  (prefijo luz-)  → fragments/luz.html
   - Comparador render 3D / foto real (prefijo cmp-) → fragments/render.html
   Usa las variables del sitio (:root) con valor literal de respaldo.
   Solo se animan transform, opacity, filter y clip-path.
   ========================================================================== */

/* ---------- Común: títulos y textos ---------- */
.luz-seccion,
.cmp-seccion {
  color: var(--texto, #f3efe8);
  padding: 120px 0;
}
.luz-seccion {
  /* Fondo alterno: separa la sección de Proyectos (mismo --bg) sin agregar aire.
     El filete superior lo pone la grilla de diferenciales que va justo arriba. */
  background: var(--bg-alt, #141210);
  border-bottom: 1px solid var(--linea, #3a352f);
}
.cmp-seccion {
  background: var(--bg-alt, #141210);
  border-top: 1px solid var(--linea, #3a352f);
  border-bottom: 1px solid var(--linea, #3a352f);
}
.luz-label,
.cmp-label { margin: 0 0 16px; }
.luz-titulo,
.cmp-titulo { margin: 0 0 18px; }   /* tipografía: clases .serif .h2 de site.css */
.luz-apoyo,
.cmp-apoyo {
  margin: 0;
  font-size: 16px;
  line-height: 26px;
  color: var(--mudo, #a39b8f);
  max-width: 420px;
}

/* ---------- Común: selector de muebles (solo si hay más de uno) ---------- */
.luz-selector,
.cmp-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.luz-selector[hidden],
.cmp-selector[hidden] { display: none; }
.luz-mini,
.cmp-mini {
  position: relative;
  width: 64px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--linea, #3a352f);
  border-radius: 0;
  background: var(--superficie, #1a1816);
  cursor: pointer;
  overflow: hidden;
}
.luz-mini img,
.cmp-mini img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .5;
  transition: opacity 600ms var(--ease, cubic-bezier(.2,.7,.2,1));
}
.luz-mini:hover img,
.cmp-mini:hover img { opacity: .8; }
.luz-mini[aria-pressed="true"],
.cmp-mini[aria-pressed="true"] { border-color: var(--bronce, #c29a5b); }
.luz-mini[aria-pressed="true"] img,
.cmp-mini[aria-pressed="true"] img { opacity: 1; }
.luz-mini:focus-visible,
.cmp-mini:focus-visible {
  outline: 2px solid var(--bronce, #c29a5b);
  outline-offset: 3px;
}
.luz-oculto,
.cmp-oculto {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   COMPONENTE 1 — Encendé la luz
   ========================================================================== */
.luz-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "texto" "escena" "control";
  row-gap: 32px;
}
.luz-texto { grid-area: texto; }
.luz-escena { grid-area: escena; margin: 0; }
.luz-controles { grid-area: control; }
.luz-controles[hidden] { display: none; }

@media (min-width: 900px) {
  .luz-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    grid-template-areas: "texto escena" "control escena";
    grid-template-rows: 1fr auto;
    column-gap: 72px;
    row-gap: 40px;
  }
  .luz-texto { align-self: end; }
  .luz-controles { align-self: start; }

  /* Variante para fotos verticales (vestidores, placares): foto 4:5 más angosta */
  .luz-vertical .luz-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    column-gap: 96px;
  }
  .luz-vertical .luz-escena { width: 100%; max-width: 560px; justify-self: end; }
  .luz-vertical .luz-marco { aspect-ratio: var(--luz-ratio, 4 / 5); }
}

/* Marco de proporción fija: no hay salto de layout al cargar ni al cambiar de mueble */
.luz-marco {
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--luz-ratio-movil, 4 / 5);
  background: var(--superficie, #1a1816);
}
@media (min-width: 900px) {
  .luz-marco { aspect-ratio: var(--luz-ratio, 4 / 3); }
}
.luz-pieza { position: absolute; inset: 0; margin: 0; }
.luz-pieza[hidden] { display: none; }

.luz-img-on,
.luz-capa-off,
.luz-capa-off img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: var(--luz-pos, 50% 50%);
}
.luz-capa-off { overflow: hidden; }

/* Apagado simulado: misma foto, sin luz propia del mueble y con ambiente frío.
   El velo es más oscuro donde está el mueble (--luz-foco), porque ahí es
   donde la luz integrada deja de iluminar. */
.luz-capa-sim img {
  filter: brightness(.36) saturate(.32) contrast(1.12);
}
.luz-capa-sim::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 52% 50% at var(--luz-foco, 50% 45%),
      rgba(22, 28, 40, .62) 0%, rgba(22, 28, 40, .30) 70%, rgba(22, 28, 40, .18) 100%),
    linear-gradient(180deg, rgba(36, 46, 64, .35), rgba(14, 16, 22, .35));
  mix-blend-mode: multiply;
}

/* Capa encendida (arriba). Solo existe animación cuando el JS está activo. */
.luz-js .luz-img-on {
  transition:
    opacity 1200ms cubic-bezier(.33, 0, .2, 1),
    filter 1900ms cubic-bezier(.2, .7, .2, 1);
}
.luz-js.luz-apagada .luz-img-on {
  opacity: 0;
  /* Al apagar, el filtro cambia recién cuando ya no se ve: así al encender
     arranca un poco sobreexpuesta y se asienta (efecto "bloom"). */
  filter: brightness(1.22) saturate(1.12);
  transition:
    opacity 700ms cubic-bezier(.2, .7, .2, 1),
    filter 0s linear 700ms;
}

.luz-bloom {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(ellipse 58% 55% at var(--luz-foco, 50% 45%),
    rgba(255, 198, 132, .34) 0%, rgba(255, 176, 96, .12) 45%, rgba(255, 176, 96, 0) 72%);
  mix-blend-mode: screen;
}
.luz-encendiendo .luz-bloom {
  animation: luz-bloom 2000ms cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes luz-bloom {
  0%   { opacity: 0; }
  38%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ---------- Interruptor ---------- */
.luz-interruptor {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-height: 48px;
  margin: 0;
  padding: 8px 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--mudo, #a39b8f);
  font-family: var(--sans, 'Jost', 'Helvetica Neue', Arial, sans-serif);
  font-size: 12px;
  line-height: 16px;
  font-weight: 400;
  letter-spacing: .28em;
  text-transform: uppercase;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.luz-interruptor:focus-visible {
  outline: 2px solid var(--bronce, #c29a5b);
  outline-offset: 6px;
}
.luz-estado { transition: color 600ms var(--ease, cubic-bezier(.2,.7,.2,1)); }
.luz-interruptor[aria-checked="false"] .luz-estado-off,
.luz-interruptor[aria-checked="true"] .luz-estado-on { color: var(--texto, #f3efe8); }

/* La llave: placa fina con borde bronce y una palanca rectangular */
.luz-llave {
  position: relative;
  flex: none;
  width: 58px;
  height: 24px;
  border: 1px solid var(--bronce, #c29a5b);
  box-sizing: border-box;
}
.luz-llave::before {           /* resplandor interior al encender */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(194, 154, 91, 0), rgba(194, 154, 91, .28));
  opacity: 0;
  transition: opacity 900ms var(--ease, cubic-bezier(.2,.7,.2,1));
}
.luz-palanca {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 22px;
  height: 14px;
  box-sizing: border-box;
  border: 1px solid var(--bronce, #c29a5b);
  background: rgba(194, 154, 91, 0);
  transform: translateX(0);
  transition:
    transform 600ms var(--ease, cubic-bezier(.2,.7,.2,1)),
    background-color 600ms var(--ease, cubic-bezier(.2,.7,.2,1));
}
.luz-palanca::after {          /* línea central, detalle de llave */
  content: "";
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 50%;
  width: 1px;
  margin-left: -.5px;
  background: var(--bronce, #c29a5b);
  opacity: .8;
}
.luz-interruptor[aria-checked="true"] .luz-llave::before { opacity: 1; }
.luz-interruptor[aria-checked="true"] .luz-palanca {
  transform: translateX(26px);
  background: var(--bronce, #c29a5b);
}
.luz-interruptor[aria-checked="true"] .luz-palanca::after { background: var(--bg, #0e0d0c); }
.luz-interruptor:hover .luz-llave,
.luz-interruptor:hover .luz-palanca { border-color: var(--bronce-claro, #d4ae72); }

/* ==========================================================================
   COMPONENTE 2 — Comparador render 3D / resultado real
   ========================================================================== */
.cmp-cabecera { max-width: 640px; margin-bottom: 48px; }
.cmp-escena {
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--cmp-ratio-movil, 4 / 5);
  background: var(--superficie, #1a1816);
}
@media (min-width: 900px) {
  .cmp-escena { aspect-ratio: var(--cmp-ratio, 16 / 9); }
}
.cmp-par {
  --cmp-pos: 50%;
  position: absolute;
  inset: 0;
  margin: 0;
  touch-action: pan-y;          /* el scroll vertical sigue funcionando en el celular */
  -webkit-user-select: none;
  user-select: none;
  cursor: ew-resize;
  -webkit-tap-highlight-color: transparent;
}
.cmp-par[hidden] { display: none; }
.cmp-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: var(--cmp-obj, 50% 50%);
  pointer-events: none;
  -webkit-user-drag: none;
}
.cmp-capa-render {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--cmp-pos)) 0 0);
}
.cmp-etiqueta {
  position: absolute;
  top: 16px;
  padding: 8px 12px;
  background: rgba(14, 13, 12, .62);
  color: var(--texto, #f3efe8);
  font-size: 11px;
  line-height: 14px;
  font-weight: 400;
  letter-spacing: .28em;
  text-transform: uppercase;
  pointer-events: none;
  white-space: nowrap;
}
.cmp-etiqueta-render { left: 16px; }
.cmp-etiqueta-real { right: 16px; }

/* Rango real (teclado y lectores de pantalla). Invisible: el arrastre lo
   maneja el JS con pointer events para no bloquear el scroll en móvil. */
.cmp-rango {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  -webkit-appearance: none;
  appearance: none;
}

/* Manija: ocupa todo el ancho y se desplaza con transform (no hay reflow) */
.cmp-manija {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transform: translateX(var(--cmp-pos));
}
.cmp-linea {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  margin-left: -.5px;
  background: var(--bronce, #c29a5b);
}
.cmp-tirador {
  position: absolute;
  top: 50%;
  left: 0;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  box-sizing: border-box;
  border: 1px solid var(--bronce, #c29a5b);
  background: rgba(14, 13, 12, .78);
  color: var(--bronce, #c29a5b);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cmp-tirador svg { width: 22px; height: 12px; display: block; }
.cmp-par:hover .cmp-tirador { border-color: var(--bronce-claro, #d4ae72); color: var(--bronce-claro, #d4ae72); }
.cmp-rango:focus-visible ~ .cmp-manija .cmp-tirador {
  outline: 2px solid var(--bronce, #c29a5b);
  outline-offset: 3px;
}
.cmp-js .cmp-ayuda { display: block; }
.cmp-ayuda {
  display: none;
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 16px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--mudo, #a39b8f);
}

/* ---------- Móvil ---------- */
@media (max-width: 760px) {
  .luz-seccion,
  .cmp-seccion { padding: 88px 0; }
  .cmp-cabecera { margin-bottom: 32px; }
  .cmp-etiqueta { top: 12px; padding: 7px 10px; font-size: 10px; letter-spacing: .24em; }
  .cmp-etiqueta-render { left: 12px; }
  .cmp-etiqueta-real { right: 12px; }
}

/* ---------- Movimiento reducido: cambios instantáneos ---------- */
@media (prefers-reduced-motion: reduce) {
  .luz-js .luz-img-on,
  .luz-js.luz-apagada .luz-img-on,
  .luz-estado,
  .luz-llave::before,
  .luz-palanca,
  .luz-mini img,
  .cmp-mini img { transition: none; }
  .luz-js.luz-apagada .luz-img-on { filter: none; }
  .luz-encendiendo .luz-bloom { animation: none; }
}

/* Variante para pares verticales (fotos sacadas con el celular parado):
   agregar la clase "cmp-vertical" a <section id="render">.
   En celular ocupa todo el ancho en 4:5; en escritorio va en dos columnas,
   texto a la izquierda y comparador a la derecha. */
.cmp-vertical .cmp-escena { aspect-ratio: 4 / 5; }
@media (min-width: 900px) {
  .cmp-vertical .wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 64px;
    align-items: center;
  }
  .cmp-vertical .cmp-cabecera { grid-column: 1; grid-row: 1 / span 2; margin-bottom: 0; }
  .cmp-vertical .cmp-escena { grid-column: 2; grid-row: 1; aspect-ratio: 4 / 5; max-height: 82vh; justify-self: end; width: 100%; max-width: 560px; }
  .cmp-vertical .cmp-controles { grid-column: 2; grid-row: 2; justify-self: end; width: 100%; max-width: 560px; }
}