/* =====================================================================
   STRATUS 3D · Estilos por página (solo tokens)
   ===================================================================== */
.cabecera { min-height: var(--alto-cabecera); }
main { display: block; }

/* =========================== INICIO =========================== */
/* Carrusel hero a pantalla completa */
.hero { position: relative; background: var(--campo); color: var(--sobre-campo); height: max(560px, min(calc(100svh - var(--cabecera-h, var(--alto-cabecera))), 940px)); overflow: hidden; touch-action: pan-y; isolation: isolate; }
.diapo { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 800ms var(--ease-in-out), visibility 0s 800ms; }
.diapo[data-activa="true"] { opacity: 1; visibility: visible; transition: opacity 800ms var(--ease-in-out); z-index: 1; }
.diapo-media .solo-escritorio { display: none; }
@media (min-width: 1000px) { .diapo-media .solo-movil { display: none; } .diapo-media .solo-escritorio { display: block; } }
.diapo-media, .diapo-media img, .diapo-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.diapo-media img, .diapo-media video { object-position: 70% 50%; transform: scale(1.06); transition: transform 7000ms var(--ease-out); }
.diapo[data-activa="true"] .diapo-media img, .diapo[data-activa="true"] .diapo-media video { transform: scale(1); }
/* Velo neutro bajo el texto (única excepción a "sin degradados": un scrim sobre fotografía) */
.diapo::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(27,29,32,.88) 0%, rgba(27,29,32,.55) 34%, rgba(27,29,32,0) 58%); }
@media (min-width: 1000px) {
  .diapo::after { background: linear-gradient(90deg, rgba(27,29,32,.9) 0%, rgba(27,29,32,.62) 34%, rgba(27,29,32,0) 64%); }
}
.diapo-texto { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: flex-start; padding-block: clamp(2rem, 1rem + 4vw, 3.5rem) 7rem; gap: 20px; }
@media (min-width: 1000px) { .diapo-texto { justify-content: center; padding-block: 3rem 6.5rem; } }
.diapo-texto .display { max-width: 11ch; }
.diapo-texto .lead { color: var(--sobre-campo); max-width: 34ch; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
/* Entrada escalonada del texto en cada diapositiva */
.js .diapo .entra { opacity: 0; transform: translateY(18px); }
.js .diapo[data-activa="true"] .entra { opacity: 1; transform: none; transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); transition-delay: calc(250ms + var(--i, 0) * 80ms); }

.hero-controles { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px)); }
.hero-controles .marco { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.indicadores { display: flex; gap: 8px; flex: 1; max-width: 420px; }
.indicador { flex: 1; height: 44px; border: 0; background: transparent; padding: 0; position: relative; }
.indicador::before, .indicador span { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 3px; margin-top: -1.5px; border-radius: 3px; }
.indicador::before { background: rgba(243,242,239,.28); }
.indicador span { background: var(--sobre-campo); transform: scaleX(0); transform-origin: left; }
.indicador[aria-current="true"] span { transform: scaleX(1); }
.hero[data-auto="true"] .indicador[aria-current="true"] span { animation: progreso var(--intervalo, 6500ms) linear forwards; }
.hero[data-pausa="true"] .indicador[aria-current="true"] span { animation-play-state: paused; }
@keyframes progreso { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.botones-hero { display: flex; gap: 8px; }
.boton-redondo { width: 48px; height: 48px; border-radius: 50%; border: 0; display: grid; place-items: center; background: rgba(243,242,239,.14); color: var(--sobre-campo); transition: background-color var(--d-ui) ease, transform var(--d-press) var(--ease-out); }
.boton-redondo:active { transform: scale(.94); }
@media (hover: hover) and (pointer: fine) { .boton-redondo:hover { background: rgba(243,242,239,.26); } }
.boton-redondo svg { width: 20px; height: 20px; }

/* Qué es Stratus 3D */
.nos-grande { margin-top: 0; }
.nos-grande img, .nos-par img { width: 100%; height: auto; background: var(--superficie); }
.nos-grande img { aspect-ratio: 3 / 2; object-fit: cover; }
.nos-pie { display: grid; gap: 12px; padding-top: 24px; }
@media (min-width: 900px) { .nos-pie { grid-template-columns: 1fr 1fr; gap: var(--gap); } }
.nos-par { display: grid; gap: clamp(3rem, 2rem + 3vw, 5rem) var(--gap); margin-top: clamp(4rem, 3rem + 4vw, 7rem); }
@media (min-width: 900px) { .nos-par { grid-template-columns: 1fr 1fr; } .nos-par > :last-child { margin-top: clamp(6rem, 4rem + 6vw, 12rem); } }
.nos-par img { aspect-ratio: 4 / 5; object-fit: cover; }
.nos-par figcaption { display: grid; gap: 10px; padding-top: 24px; }

/* Lo que hacemos: lista grande de líneas */
.lineas { display: grid; }
.linea a { transition: background-color var(--d-ui) ease; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 20px; padding: clamp(1.25rem, .9rem + 1.2vw, 2rem) 0; text-decoration: none; }
.linea-nombre { font-size: clamp(1.75rem, 1.1rem + 3vw, 3.75rem); font-weight: var(--peso-display); font-stretch: var(--ancho-display); letter-spacing: var(--tracking-display); line-height: 1; transition: transform 400ms var(--ease-out), color var(--d-ui) ease; }
.linea-desc { display: block; font-size: 1rem; color: var(--tinta-2); margin-top: 10px; font-weight: 400; letter-spacing: 0; }
.linea img { width: clamp(84px, 60px + 6vw, 168px); aspect-ratio: 1; object-fit: cover; background: var(--superficie); transition: transform 400ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .linea a:hover .linea-nombre { transform: translateX(12px); color: var(--acento); }
  .linea a:hover img { transform: scale(1.04); }
}

/* Cierre con dos campos de color */
.cierre { display: grid; margin-top: var(--sec); }
@media (min-width: 900px) { .cierre { grid-template-columns: 1fr 1fr; } }
.cierre > div { padding: clamp(3.5rem, 2rem + 6vw, 8rem) var(--margen); display: grid; gap: 20px; align-content: start; justify-items: start; }
.cierre-oscuro { background: var(--acento); color: var(--sobre-acento); }
.cierre-claro { background: var(--superficie); }
.cierre h2 { max-width: 12ch; }
.cierre .lead { max-width: 32ch; }

/* Vista previa de la tienda: carrusel horizontal sobre un campo oscuro */
.tienda { background: var(--campo); color: var(--sobre-campo); margin-top: var(--sec); padding-block: clamp(4rem, 3rem + 5vw, 8rem); }
.tienda :focus-visible { outline-color: var(--sobre-campo); }
.tienda-cabeza { display: grid; gap: 24px; margin-bottom: clamp(2rem, 1.5rem + 2vw, 3rem); }
@media (min-width: 900px) { .tienda-cabeza { grid-template-columns: 1.15fr 1fr; align-items: end; } }
.tienda-titulo { display: grid; gap: 18px; }
.tienda .lead { color: var(--sobre-campo); }
.tienda-ctrl { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
@media (min-width: 900px) { .tienda-ctrl { justify-content: flex-end; } }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { min-height: 40px; padding: 0 16px; border: 0; border-radius: var(--radio-boton); background: var(--campo-2); color: var(--sobre-campo); font-weight: 600; font-size: .875rem; transition: background-color var(--d-ui) ease, color var(--d-ui) ease, transform var(--d-press) var(--ease-out); }
.chip:active { transform: scale(.97); }
.chip[aria-pressed="true"] { background: var(--sobre-campo); color: var(--tinta); }
@media (hover: hover) and (pointer: fine) { .chip:not([aria-pressed="true"]):hover { background: #33373C; } }
.carril-flechas { display: flex; gap: 8px; }
.boton-redondo:disabled { opacity: .35; cursor: default; transform: none; }
ul.carril {
  display: flex; gap: 16px; margin: 0; list-style: none; overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scrollbar-width: none;
  --borde: max(var(--margen), calc((100vw - var(--ancho-max)) / 2 + var(--margen)));
  padding: 0 var(--borde) 8px; scroll-padding-inline: var(--borde);
}
.carril::-webkit-scrollbar { display: none; }
.tarjeta { flex: 0 0 clamp(220px, 70vw, 290px); scroll-snap-align: start; min-width: 0; }
@media (min-width: 768px) { .tarjeta { flex-basis: clamp(240px, 27vw, 330px); } }
.tarjeta a { display: grid; gap: 6px; text-decoration: none; color: inherit; height: 100%; align-content: start; }
.tarjeta-media { aspect-ratio: 1; background: var(--superficie); overflow: hidden; }
.tarjeta-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .tarjeta a:hover .tarjeta-media img { transform: scale(1.04); } }
.tarjeta-grupo { font-size: var(--t-nota); color: var(--sobre-campo-2); margin-top: 10px; }
.tarjeta h3 { font-size: 1.125rem; font-weight: 650; letter-spacing: -.01em; line-height: 1.25; }
.tarjeta-precio { font-weight: 600; font-variant-numeric: tabular-nums; }
.tarjeta-precio span { font-weight: 400; color: var(--sobre-campo-2); }
.tarjeta--ir a { aspect-ratio: 1; background: var(--campo-2); padding: clamp(1.25rem, 1rem + 1vw, 2rem); display: flex; flex-direction: column; justify-content: space-between; }
.tarjeta--ir .sub { max-width: 10ch; }
.tarjeta--ir a > span:last-child { font-size: 2rem; transition: transform 300ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .tarjeta--ir a:hover > span:last-child { transform: translateX(8px); } }
@media (prefers-reduced-motion: reduce) { .tarjeta-media img, .tarjeta--ir a > span:last-child { transition: none; } }

/* =========================== CABEZA DE PÁGINA INTERNA =========================== */
.cabeza-pagina { padding-block: clamp(3rem, 2rem + 4vw, 6.5rem) clamp(2rem, 1.5rem + 2vw, 3.5rem); display: grid; gap: 20px; }
@media (min-width: 900px) { .cabeza-pagina { grid-template-columns: 1.1fr 1fr; align-items: end; } }
.cabeza-pagina h1 { font-size: var(--t-display); }

/* =========================== CATÁLOGO =========================== */
.filtros-barra { position: sticky; top: var(--cabecera-h, var(--alto-cabecera)); z-index: 20; background: var(--suelo); padding-block: 12px; }
.filtros { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin-inline: calc(var(--margen) * -1); padding-inline: var(--margen); scroll-snap-type: x proximity; }
.filtros::-webkit-scrollbar { display: none; }
.filtro { flex: none; min-height: 44px; padding: 0 18px; border: 0; border-radius: var(--radio-boton); background: var(--superficie); font-weight: 600; font-size: .9375rem; scroll-snap-align: start; transition: background-color var(--d-ui) ease, color var(--d-ui) ease, transform var(--d-press) var(--ease-out); }
.filtro:active { transform: scale(.97); }
.filtro[aria-pressed="true"] { background: var(--tinta); color: var(--suelo); }
@media (hover: hover) and (pointer: fine) { .filtro:not([aria-pressed="true"]):hover { background: var(--superficie-2); } }
.grupo-cat { padding-top: clamp(2.5rem, 2rem + 2vw, 4.5rem); }
.grupo-cat:last-child { padding-bottom: var(--sec); }
.grupo-cabeza { display: grid; gap: 8px; margin-bottom: 28px; }
@media (min-width: 900px) { .grupo-cabeza { grid-template-columns: 1fr 1fr; align-items: end; } }
.grupo-cabeza h2 { font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem); }
.rejilla { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 12px; }
@media (min-width: 768px) { .rejilla { gap: 40px 20px; } }
@media (min-width: 1000px) { .rejilla { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.ficha { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.ficha-media { aspect-ratio: 1; background: var(--superficie); overflow: hidden; border-radius: var(--radio-media); }
.ficha-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .ficha:hover .ficha-media img { transform: scale(1.035); } }
.ficha h3 { font-size: 1.0625rem; font-weight: 650; letter-spacing: -.01em; margin-top: 6px; }
.ficha-desc { font-size: var(--t-nota); color: var(--tinta-2); }
.ficha-precio { font-weight: 650; font-variant-numeric: tabular-nums; }
.ficha-escala { display: block; font-size: var(--t-nota); color: var(--tinta-2); font-weight: 400; }
.ficha .boton { margin-top: auto; min-height: 44px; }
.ficha-pie { margin-top: auto; display: grid; gap: 12px; padding-top: 6px; }
.agregado { background: var(--s3d-exito) !important; color: var(--s3d-blanco) !important; }
.muestras-vacio { height: 36px; }
.ficha-cierre { background: var(--campo); color: var(--sobre-campo); padding: clamp(1.25rem, 1rem + 1vw, 2rem); justify-content: space-between; gap: 16px; min-height: 100%; }
.ficha-cierre h3 { font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; margin: 0; }
.ficha-cierre p { color: var(--sobre-campo-2); font-size: .9375rem; }
.ficha-cierre .boton { align-self: flex-start; white-space: normal; text-align: center; height: auto; padding-block: 10px; line-height: 1.25; }

/* Selector de color (radios como muestras) */
.muestras { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.muestras legend { padding: 0; }
.muestra { position: relative; display: inline-grid; place-items: center; width: 36px; height: 36px; cursor: pointer; }
.muestra input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.muestra span { width: 24px; height: 24px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0,0,0,.18); transition: transform var(--d-press) var(--ease-out), box-shadow var(--d-ui) ease; }
.muestra input:checked + span { box-shadow: 0 0 0 2px var(--suelo), 0 0 0 4px var(--tinta); }
.muestra input:focus-visible + span { outline: 3px solid var(--foco); outline-offset: 4px; }
.muestra:active span { transform: scale(.9); }
.muestras--grandes .muestra { width: 52px; height: 52px; }
.muestras--grandes .muestra span { width: 36px; height: 36px; }

/* =========================== IMPRESORAS =========================== */
.impresora { display: grid; gap: 28px; padding-block: clamp(2.5rem, 2rem + 3vw, 5rem); }
@media (min-width: 900px) {
  .impresora { grid-template-columns: 1.35fr 1fr; align-items: center; gap: var(--gap) calc(var(--gap) * 2); }
  .impresora:nth-child(even) .impresora-media { order: 2; }
}
.impresora-media { aspect-ratio: 4 / 3; background: var(--superficie); overflow: hidden; }
.impresora-media img { width: 100%; height: 100%; object-fit: cover; }
.impresora-info { display: grid; gap: 18px; align-content: start; min-width: 0; }
.impresora-info h2 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 3rem); }
.specs { display: grid; gap: 0; margin: 4px 0; }
.specs div { display: grid; grid-template-columns: minmax(0, 11rem) minmax(0, 1fr); gap: 16px; padding: 10px 0; }
.specs div:nth-child(odd) { background: var(--superficie); padding-inline: 12px; margin-inline: -12px; }
.specs dt { color: var(--tinta-2); font-size: var(--t-nota); padding-top: 2px; }
.specs dd { font-weight: 550; }

/* =========================== FILAMENTOS =========================== */
.filamentos { display: grid; gap: clamp(3rem, 2rem + 4vw, 6rem) var(--gap); padding-bottom: var(--sec); }
@media (min-width: 900px) { .filamentos { grid-template-columns: 1fr 1fr; } .filamento:nth-child(even) { margin-top: clamp(4rem, 3rem + 6vw, 10rem); } }
.filamento { display: grid; gap: 18px; align-content: start; min-width: 0; }
.filamento-media { aspect-ratio: 1; background: var(--superficie); overflow: hidden; }
.filamento-media img { width: 100%; height: 100%; object-fit: cover; transition: opacity 220ms ease; }
.filamento-media img.cambiando { opacity: .35; }
.filamento h2 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 3rem); }
.datos-fila { display: flex; flex-wrap: wrap; gap: 6px 24px; color: var(--tinta-2); }
.datos-fila strong { color: var(--tinta); font-weight: 600; }
.color-elegido { font-weight: 600; }
.compra { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.compra .precio-grande { font-size: 1.75rem; font-weight: 700; font-variant-numeric: tabular-nums; }

/* =========================== REPUESTOS =========================== */
.repuestos { display: grid; gap: clamp(2rem, 1.5rem + 2vw, 3rem) var(--gap); }
@media (min-width: 900px) { .repuestos { grid-template-columns: 1fr 1fr; } }
.repuesto { display: grid; grid-template-columns: minmax(0, 42%) minmax(0, 1fr); gap: 20px; align-items: start; }
.repuesto-media { aspect-ratio: 1; background: var(--superficie); overflow: hidden; }
.repuesto-media img { width: 100%; height: 100%; object-fit: cover; }
.repuesto-info { display: grid; gap: 10px; min-width: 0; }
.repuesto-info h2 { font-size: clamp(1.25rem, 1.1rem + .8vw, 1.75rem); letter-spacing: -.02em; line-height: 1.1; }
.repuesto-tipo { color: var(--tinta-2); font-size: var(--t-nota); }
.banda { margin-top: var(--sec); background: var(--superficie); color: var(--tinta); }
.banda .marco { padding-block: clamp(3.5rem, 2rem + 5vw, 7rem); display: grid; gap: 24px; }
@media (min-width: 900px) { .banda .marco { grid-template-columns: 1.2fr 1fr; align-items: end; } }
.banda .lead { color: var(--tinta); }

/* =========================== COTIZADOR =========================== */
.cotizador { display: grid; gap: var(--gap); padding-bottom: var(--sec); align-items: start; }
@media (min-width: 1000px) { .cotizador { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: calc(var(--gap) * 2); } }
.cotizador > * { min-width: 0; }
.form-cot { display: grid; gap: clamp(2.5rem, 2rem + 2vw, 3.5rem); }
.bloque-form { display: grid; gap: 16px; border: 0; padding: 0; margin: 0; min-width: 0; }
.bloque-form legend, .bloque-form > h2 { font-size: var(--t-sub); font-weight: 650; letter-spacing: -.015em; padding: 0; margin-bottom: 4px; }
.segmentos { justify-self: stretch; display: grid; grid-template-columns: 1fr 1fr; text-align: center; background: var(--superficie); border-radius: var(--radio-boton); padding: 4px; gap: 4px; }
.segmentos label { position: relative; }
.segmentos input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.segmentos span { display: block; min-height: 44px; line-height: 44px; padding: 0 10px; white-space: nowrap; border-radius: var(--radio-boton); font-weight: 600; font-size: .9375rem; transition: background-color var(--d-ui) ease, color var(--d-ui) ease; }
.segmentos input:checked + span { background: var(--tinta); color: var(--suelo); }
@media (min-width: 560px) { .segmentos { justify-self: start; display: inline-grid; } .segmentos span { padding: 0 20px; } }
.segmentos input:focus-visible + span { outline: 3px solid var(--foco); outline-offset: 2px; }
.campo-grande { display: flex; align-items: baseline; gap: 10px; }
.campo-grande input { width: 7ch; min-height: 64px; font-size: 2.25rem; font-weight: 700; padding: 0 14px; border: 2px solid transparent; border-radius: 12px; background: var(--superficie); font-variant-numeric: tabular-nums; transition: border-color var(--d-ui) ease; }
.campo-grande input:focus { outline: none; border-color: var(--tinta); }
.campo-grande span { font-size: 1.25rem; font-weight: 600; }
.zona-stl { display: grid; gap: 6px; justify-items: start; padding: 28px; background: var(--superficie); cursor: pointer; transition: background-color var(--d-ui) ease; }
.zona-stl:hover, .zona-stl.sobre { background: var(--superficie-2); }
.zona-stl input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.zona-stl:focus-within { outline: 3px solid var(--foco); outline-offset: 3px; }
.rango { display: grid; gap: 8px; }
.rango input[type="range"] { width: 100%; accent-color: var(--tinta); min-height: 44px; }
.rango-fila { display: flex; justify-content: space-between; gap: 12px; }
.paso-cantidad--grande { background: var(--superficie); justify-self: start; }
.paso-cantidad--grande button { width: 52px; height: 52px; }
.paso-cantidad--grande input { width: 5ch; font-size: 1.5rem; }
.aviso-llaveros { background: var(--superficie); padding: 20px 24px; display: grid; gap: 6px; }
textarea.campo-texto { min-height: 110px; resize: vertical; background: var(--superficie); }
.cotizador input.campo-texto { background: var(--superficie); }

.resumen { background: var(--campo); color: var(--sobre-campo); padding: clamp(1.75rem, 1.2rem + 2vw, 2.75rem); display: grid; gap: 22px; }
@media (min-width: 1000px) { .resumen { position: sticky; top: calc(var(--cabecera-h, var(--alto-cabecera)) + 24px); } }
.resumen h2 { font-size: var(--t-sub); font-weight: 650; letter-spacing: -.015em; line-height: 1.2; }
.resumen .nota { color: var(--sobre-campo-2); }
.tramos { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.tramo { padding: 12px; background: var(--campo-2); transition: background-color var(--d-ui) ease, color var(--d-ui) ease; min-width: 0; }
.tramo[data-activo="true"] { background: var(--sobre-campo); color: var(--tinta); }
.tramo b { display: block; font-size: 1.125rem; font-variant-numeric: tabular-nums; }
.tramo small { display: block; font-size: .8125rem; line-height: 1.3; }
.total-grande { font-size: clamp(2.75rem, 2rem + 3vw, 4.25rem); font-weight: 750; font-stretch: 104%; letter-spacing: -.035em; line-height: 1; font-variant-numeric: tabular-nums; }
.desglose { display: grid; gap: 8px; font-variant-numeric: tabular-nums; }
.desglose div { display: flex; justify-content: space-between; gap: 16px; }
.desglose dt { color: var(--sobre-campo-2); }
.desglose dd { font-weight: 600; text-align: right; }

/* =========================== PREGUNTAS =========================== */
.faq { display: grid; gap: clamp(2rem, 1.5rem + 3vw, 4rem); padding-bottom: var(--sec); }
@media (min-width: 900px) { .faq { grid-template-columns: 1fr 1.6fr; align-items: start; } .faq-lado { position: sticky; top: calc(var(--cabecera-h, var(--alto-cabecera)) + 32px); } }
.faq-lado { display: grid; gap: 16px; justify-items: start; }
.acordeon { display: grid; gap: 8px; }
.acordeon details { background: var(--superficie); }
.acordeon summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 24px; font-size: clamp(1.0625rem, 1rem + .4vw, 1.3125rem); font-weight: 650; letter-spacing: -.01em; -webkit-tap-highlight-color: transparent; }
.acordeon summary::-webkit-details-marker { display: none; }
.acordeon summary::after { content: ""; flex: none; width: 14px; height: 14px; background:
  linear-gradient(currentColor, currentColor) center / 14px 2px no-repeat,
  linear-gradient(currentColor, currentColor) center / 2px 14px no-repeat; transition: transform 240ms var(--ease-out); }
.acordeon details[open] summary::after { transform: rotate(45deg); }
.acordeon .respuesta { padding: 0 24px 24px; max-width: 64ch; }
.acordeon details[open] .respuesta { animation: abrir 260ms var(--ease-out); }
@keyframes abrir { from { opacity: 0; transform: translateY(-6px); } }
@media (hover: hover) and (pointer: fine) { .acordeon summary:hover { background: var(--superficie-2); } }

@media (prefers-reduced-motion: reduce) {
  .diapo, .diapo[data-activa="true"] { transition: opacity 300ms ease, visibility 0s; }
  .diapo-media img, .diapo-media video { transform: none !important; transition: none; }
  .js .diapo .entra { transform: none; }
  .hero .indicador[aria-current="true"] span { animation: none !important; transform: scaleX(1); }
  .linea-nombre, .linea img, .ficha-media img { transition: none; }
  .acordeon details[open] .respuesta { animation: none; }
}