/* ============================================================
   SIGLO — COMPONENTES (main.css)
   ============================================================ */

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--altura-header);
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--linea);
  transition: box-shadow var(--t);
}
.header--scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
.header__contenedor {
  max-width: var(--ancho-max);
  margin: 0 auto;
  height: 100%;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.header__logo { display: flex; align-items: center; height: 100%; flex-shrink: 0; }
.header__logo-img { height: 32px; width: auto; }
/* Header siempre claro → logo oscuro visible */
.header__logo-img--claro { display: none; }
.header__logo-img--oscuro { display: block; }

/* NAV */
.nav__lista { display: flex; align-items: center; gap: 1.6rem; }
.nav__item { position: relative; }
.nav__link {
  font-family: var(--f-display);
  font-weight: var(--peso-subtitulo);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--texto);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--t);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--naranja);
  transition: width var(--t);
}
.nav__link:hover::after, .nav__link--activo::after { width: 100%; }
.nav__link:hover, .nav__link--activo { color: var(--naranja); }

/* Brochure link (destacado) */
.nav__link--brochure {
  border: 1.5px solid var(--linea);
  border-radius: var(--radio);
  padding: 0.45rem 0.9rem;
}
.nav__link--brochure::after { display: none; }
.nav__link--brochure svg { width: 15px; height: 15px; }
.nav__link--brochure:hover { border-color: var(--naranja); background: rgba(255,64,0,0.08); color: var(--naranja); }

/* Submenú de Productos (#5) */
.nav__submenu {
  position: absolute;
  top: calc(100% + 0.8rem); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--blanco);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra);
  padding: 0.5rem;
  min-width: 190px;
  opacity: 0; visibility: hidden;
  transition: all var(--t);
  z-index: 10;
}
.nav__submenu::before {
  content: '';
  position: absolute;
  top: -6px; left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px;
  background: var(--blanco);
}
.nav__item--dropdown:hover .nav__submenu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav__sublink {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radio);
  font-family: var(--f-display);
  font-weight: var(--peso-subtitulo);
  font-size: 1rem;
  text-transform: uppercase;
  color: var(--texto);
  transition: background var(--t), color var(--t);
}
.nav__sublink:hover { background: var(--humo); color: var(--naranja); }
.nav__sublink-badge {
  font-size: 0.7rem;
  color: var(--naranja);
  border: 1px solid var(--naranja);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  font-weight: 500;
}

/* ACCIONES */
.header__acciones { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }

/* Selector de idioma */
.idioma { position: relative; }
.idioma__actual {
  display: flex; align-items: center; gap: 0.35rem;
  font-family: var(--f-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--texto);
  padding: 0.4rem 0.5rem;
  transition: color var(--t);
}
.idioma__actual svg { width: 14px; height: 14px; }
.idioma__menu {
  position: absolute;
  top: calc(100% + 0.5rem); right: 0;
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 0.4rem;
  min-width: 150px;
  opacity: 0; visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--t);
  z-index: 10;
}
.idioma__menu--abierto { opacity: 1; visibility: visible; transform: none; }
.idioma__opcion {
  display: block; width: 100%; text-align: left;
  font-family: var(--f-mono);
  font-size: 0.82rem;
  color: var(--texto);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radio);
  transition: background var(--t);
}
.idioma__opcion:hover { background: var(--humo); }
.idioma__opcion--activo { color: var(--naranja); }

/* Botón Cotizar con dropdown (#4) */
.cotizar { position: relative; }
.header__cta { padding: 0.6rem 1.4rem; font-size: 0.95rem; }
.cotizar__menu {
  position: absolute;
  top: calc(100% + 0.6rem); right: 0;
  background: var(--blanco);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra);
  padding: 0.5rem;
  min-width: 240px;
  opacity: 0; visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--t);
  z-index: 10;
}
.cotizar__menu--abierto { opacity: 1; visibility: visible; transform: none; }
.cotizar__opcion {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.8rem;
  border-radius: var(--radio);
  transition: background var(--t);
}
.cotizar__opcion:hover { background: var(--humo); }
.cotizar__opcion svg { width: 26px; height: 26px; flex-shrink: 0; color: var(--naranja); }
.cotizar__opcion div { display: flex; flex-direction: column; }
.cotizar__opcion-titulo { font-family: var(--f-display); font-weight: var(--peso-subtitulo); font-size: 1.05rem; text-transform: uppercase; color: var(--texto); }
.cotizar__opcion-desc { font-size: 0.8rem; color: var(--gris); }

/* TOGGLE móvil */
.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 0.4rem; }
.nav__toggle span { display: block; width: 26px; height: 2px; background: var(--texto); transition: all var(--t); }

/* ============================================================
   HERO — Video corporativo (#1)
   ============================================================ */
.hero {
  min-height: 100vh;
  background: var(--grafito);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: calc(var(--altura-header) + clamp(2rem, 6vh, 5rem));
  padding-bottom: clamp(2rem, 6vh, 5rem);
}
/* Contenedor del video de fondo */
.hero__video-fondo {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--grafito);
}
.hero__video-fondo iframe {
  position: absolute;
  top: 50%; left: 50%;
  width: 100vw;
  height: 56.25vw;          /* 16:9 */
  min-height: 100vh;
  min-width: 177.77vh;      /* 16:9 */
  transform: translate(-50%, -50%);
  pointer-events: none;
  border: 0;
}
.hero__video-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to right, rgba(15,15,15,0.92) 0%, rgba(15,15,15,0.75) 45%, rgba(15,15,15,0.45) 100%),
    linear-gradient(to top, rgba(15,15,15,0.85) 0%, transparent 40%);
}
.hero__contenedor {
  position: relative; z-index: 2;
  width: 100%;
}
.hero__contenido { max-width: 640px; }
.hero__eyebrow {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--naranja);
  display: inline-block;
  margin-bottom: 1.6rem;
}
.hero__titulo {
  font-family: var(--f-display);
  font-weight: var(--peso-hero);
  font-size: var(--fs-hero);
  line-height: 0.94;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}
.hero__titulo em { color: var(--naranja); font-style: normal; }
.hero__titulo span, .hero__titulo em { display: inline; }
.hero__desc {
  font-size: 1.2rem;
  color: var(--gris-claro);
  margin-bottom: 2.2rem;
  max-width: 500px;
  line-height: 1.6;
}
.hero__acciones { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__btn-video svg { width: 16px; height: 16px; }
.hero__scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--gris-claro);
}
.hero__scroll svg { width: 24px; height: 24px; animation: rebote 2s ease-in-out infinite; }
@keyframes rebote { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* Modal de video (para "Ver video" en pantallas donde el fondo no basta) */
.video-modal {
  position: fixed; inset: 0;
  z-index: 2000;
  background: rgba(10,10,10,0.92);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; visibility: hidden;
  transition: opacity var(--t), visibility var(--t);
}
.video-modal--abierto { opacity: 1; visibility: visible; }
.video-modal__contenido {
  position: relative;
  width: 100%; max-width: 960px;
  aspect-ratio: 16/9;
}
.video-modal__contenido iframe { width: 100%; height: 100%; border: 0; border-radius: var(--radio-lg); }
.video-modal__cerrar {
  position: absolute;
  top: -3rem; right: 0;
  color: var(--blanco);
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--f-mono); font-size: 0.85rem;
}
.video-modal__cerrar svg { width: 24px; height: 24px; }

/* ============================================================
   SISTEMA (fusión Concepto + Métodos de apertura, #6)
   Estilo suizo: fondo claro, retícula limpia
   ============================================================ */
.sistema { background: var(--blanco); }
.sistema__intro { max-width: 100%; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sistema__titulo { font-size: var(--fs-h2); margin: 1rem 0 1.5rem; max-width: 100%; }
.sistema__parrafo { color: var(--gris); font-size: 1.15rem; line-height: 1.7; max-width: 100%; }

.aperturas__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-auto-rows: 1fr;
  gap: 1.25rem;
}
.apertura {
  position: relative;
  background: var(--hueso, #F7F6F3);
  border: 1px solid var(--linea);
  border-radius: var(--radio-xl);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
  overflow: hidden;
}
.apertura:hover { transform: translateY(-4px); border-color: rgba(255,64,0,0.35); box-shadow: var(--sombra); }
/* App destacada: ocupa la columna izquierda completa, en naranja */
.apertura--destacada {
  grid-row: 1 / 3;
  background: var(--grafito);
  border-color: var(--grafito);
  color: var(--blanco);
  display: flex;
  flex-direction: column;
}
.apertura--destacada:hover { border-color: var(--naranja); }
.apertura__icono-wrap {
  width: 60px; height: 60px;
  background: rgba(255,64,0,0.12);
  border-radius: var(--radio-lg);
  display: grid; place-items: center;
  margin-bottom: 1.5rem;
}
.apertura--destacada .apertura__icono-wrap { background: rgba(255,64,0,0.2); }
.apertura__icono { width: 30px; height: 30px; object-fit: contain; }
.apertura__num {
  font-family: var(--f-mono);
  font-size: 0.8rem; font-weight: 600;
  color: var(--naranja);
  margin-bottom: 0.6rem;
}
.apertura__titulo { color: var(--texto); font-size: 1.4rem; margin-bottom: 0.8rem; }
.apertura--destacada .apertura__titulo { color: var(--blanco); font-size: 1.75rem; }
.apertura__desc { color: var(--gris); font-size: 0.98rem; line-height: 1.55; }
.apertura--destacada .apertura__desc { color: var(--gris-claro); margin-bottom: auto; }
/* Botones de descarga de la app (#7) */
.apertura__tiendas { display: flex; gap: 0.75rem; margin-top: 1.75rem; flex-wrap: wrap; }
.apertura__tienda {
  display: flex; align-items: center; gap: 0.5rem;
  background: var(--blanco); color: var(--grafito);
  padding: 0.7rem 1.1rem;
  border-radius: var(--radio);
  font-family: var(--f-display);
  font-weight: var(--peso-subtitulo);
  font-size: 0.9rem;
  text-transform: uppercase;
  transition: transform var(--t), background var(--t);
}
/*.apertura__tienda:hover { transform: translateY(-2px); background: var(--naranja); color: var(--blanco); }
.apertura__tienda svg { width: 20px; height: 20px; flex-shrink: 0; }*/

.app-redir__btn {
  display: inline-flex;
  align-items: center;
}
.app-redir__btn svg,
.app-redir__btn img {
  width: auto;
  height: 60px;
  flex-shrink: 0;
  object-fit: contain;
}
/* ============================================================
   CATÁLOGO REDISEÑADO — 3 modelos (#5, #9)
   Selector lateral + panel de contenido con animación
   ============================================================ */
.catalogo {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}
/* Selector vertical */
.catalogo__selector {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: sticky;
  top: calc(var(--altura-header) + 1.5rem);
}
.catalogo__tab {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem 1.5rem;
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-lg);
  text-align: left;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t), background var(--t);
  cursor: pointer;
}
.catalogo__tab:hover { transform: translateX(4px); border-color: rgba(255,64,0,0.4); }
.catalogo__tab-num {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gris-claro);
  transition: color var(--t);
}
.catalogo__tab-info { display: flex; flex-direction: column; gap: 0.15rem; flex: 1; }
.catalogo__tab-nombre {
  font-family: var(--f-display);
  font-weight: var(--peso-subtitulo);
  font-size: 1.35rem;
  text-transform: uppercase;
  line-height: 1;
  color: var(--texto);
}
.catalogo__tab-etiqueta {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gris);
}
.catalogo__tab-flecha {
  font-family: var(--f-display);
  font-size: 1.3rem;
  color: var(--naranja);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--t), transform var(--t);
}
.catalogo__tab--activo {
  background: var(--grafito);
  border-color: var(--grafito);
}
.catalogo__tab--activo .catalogo__tab-nombre { color: var(--blanco); }
.catalogo__tab--activo .catalogo__tab-num { color: var(--naranja); }
.catalogo__tab--activo .catalogo__tab-etiqueta { color: var(--gris-claro); }
.catalogo__tab--activo .catalogo__tab-flecha { opacity: 1; transform: none; }

/* Panel de contenido */
.catalogo__panel {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-xl);
  overflow: hidden;
  box-shadow: var(--sombra-sutil);
}
.modelo { animation: fadeModelo 0.45s var(--ease-suave); }
@keyframes fadeModelo {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.modelo__media {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--grafito);
}
.modelo__img { width: 100%; height: 100%; object-fit: cover; transition: transform 8s ease; }
.modelo__media:hover .modelo__img { transform: scale(1.06); }
.modelo__sello {
  position: absolute;
  top: 1.25rem; left: 1.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--blanco);
  background: rgba(20,20,20,0.7);
  backdrop-filter: blur(6px);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radio);
}
.modelo__info { padding: clamp(1.75rem, 3vw, 2.75rem); }
.modelo__titulo { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 1.1rem; font-weight: var(--peso-titulo); }
.modelo__desc { color: var(--gris); margin-bottom: 1.75rem; line-height: 1.7; max-width: 60ch; }
.modelo__specs {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.85rem;
  margin-bottom: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--linea);
}
.modelo__specs li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.98rem; color: var(--gris-osc); }
.modelo__specs li::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--naranja);
  border-radius: 50%;
  margin-top: 0.5rem;
  flex-shrink: 0;
}
.modelo__acciones { display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ============================================================
   PANEL INTEGRADO (integra "El dispositivo" en el catálogo, #10)
   ============================================================ */
.panel-integrado {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--linea);
}
.panel-integrado__visual {
  position: relative;
  display: flex; justify-content: center; align-items: center;
  min-height: 400px;
}
.panel-integrado__glow {
  position: absolute;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255,64,0,0.15), transparent 70%);
  border-radius: 50%;
}
.panel-integrado__img {
  position: relative;
  max-height: 500px;
  width: auto;
  filter: drop-shadow(0 25px 50px rgba(0,0,0,0.22));
  animation: flotarPanel 6s ease-in-out infinite;
}
@keyframes flotarPanel { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.panel-integrado__titulo { font-size: clamp(1.6rem, 3vw, 2.4rem); margin: 1rem 0 1.2rem; max-width: 100%; font-weight: var(--peso-titulo); text-transform: uppercase; font-family: var(--f-display); line-height: 1.05; }
.panel-integrado__desc { color: var(--gris); margin-bottom: 2rem; line-height: 1.7; }
.panel-integrado__features { display: flex; flex-direction: column; gap: 1rem; }
.panel-feature { display: flex; align-items: center; gap: 0.9rem; font-weight: 500; }
.panel-feature__icono { width: 26px; height: 26px; object-fit: contain; }

/* ============================================================
   FICHA TÉCNICA DINÁMICA (#9)
   ============================================================ */
.ficha__metricas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.ficha__metrica {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--carbon);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radio-xl);
  transition: transform var(--t), border-color var(--t);
}
.ficha__metrica:hover { transform: translateY(-5px); border-color: rgba(255,64,0,0.4); }
.ficha__metrica-valor {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--naranja);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.1rem;
}
.ficha__metrica-unidad { font-size: 0.5em; }
.ficha__metrica-label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris-claro);
  margin-top: 0.9rem;
}
.ficha__tablas {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.5rem;
}
.ficha__tabla {
  background: var(--carbon);
  border-radius: var(--radio-xl);
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.08);
}
.ficha__tabla-titulo {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--naranja);
  padding-bottom: 1rem;
  margin-bottom: 0.5rem;
  border-bottom: 2px solid rgba(255,64,0,0.3);
}
.ficha__lista li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.95rem;
  color: var(--gris-claro);
}
.ficha__lista li:last-child { border-bottom: none; }
.ficha__check { color: #22C55E; font-weight: 700; flex-shrink: 0; }
.ficha__cross { color: var(--naranja); font-weight: 700; flex-shrink: 0; }
.ficha__consumo {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.ficha__consumo-titulo {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--naranja);
  margin-bottom: 0.9rem;
}
.ficha__consumo-fila {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: var(--gris-claro);
}
.ficha__consumo-fila .mono { color: var(--naranja); }

/* ============================================================
   APLICACIONES
   ============================================================ */
.aplicaciones__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.aplicacion {
  position: relative;
  border-radius: var(--radio-xl);
  overflow: hidden;
  aspect-ratio: 3/4;
}
.aplicacion__img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-lento); }
.aplicacion:hover .aplicacion__img { transform: scale(1.08); }
.aplicacion__overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.4) 45%, transparent 75%);
}
.aplicacion__num {
  position: absolute; top: 1.25rem; left: 1.25rem;
  font-size: 0.85rem; font-weight: 700;
  color: var(--naranja);
  background: rgba(20,20,20,0.6);
  border: 1px solid var(--naranja);
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: var(--radio);
}
.aplicacion__titulo { color: var(--blanco); font-size: 1.4rem; margin-bottom: 0.5rem; line-height: 1.05; }
.aplicacion__desc {
  color: var(--gris-claro);
  font-size: 0.88rem; line-height: 1.4;
  max-height: 0; opacity: 0; overflow: hidden;
  transition: max-height var(--t-lento), opacity var(--t), margin var(--t);
}
.aplicacion:hover .aplicacion__desc { max-height: 100px; opacity: 1; margin-top: 0.3rem; }

/* ============================================================
   FOTO AL HOVER EN TARJETAS DE APERTURA
   ============================================================ */
.apertura__foto {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity var(--t-lento);
  z-index: 0;
}
.apertura__foto::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,18,16,0.55), rgba(20,18,16,0.88));
}
.apertura:hover .apertura__foto { opacity: 1; }
.apertura > *:not(.apertura__foto) { position: relative; z-index: 1; }
.apertura:hover .apertura__titulo { color: var(--blanco); }
.apertura:hover .apertura__desc { color: var(--gris-claro); }

/* ============================================================
   CONTACTO — con lateral fotográfico
   ============================================================ */
.contacto__grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 0;
  align-items: stretch;
  border-radius: var(--radio-xl);
  overflow: hidden;
  border: 1px solid var(--linea);
  box-shadow: var(--sombra);
}
/* Columna info con foto de fondo */
.contacto__info {
  position: relative;
  padding: clamp(2rem, 4vw, 3.5rem);
  display: flex; align-items: center;
  color: var(--blanco);
  overflow: hidden;
  isolation: isolate;
}
.contacto__foto {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
}
.contacto__info::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(150deg, rgba(10,10,10,0.92), rgba(20,20,20,0.82));
  z-index: -1;
}
.contacto__titulo { font-size: var(--fs-h2); margin: 1rem 0 1.2rem; max-width: 16ch; color: var(--blanco); }
.contacto__desc { color: var(--gris-claro); margin-bottom: 2.5rem; line-height: 1.7; }
.contacto__datos { display: flex; flex-direction: column; gap: 1.3rem; }
.contacto__dato { display: flex; align-items: center; gap: 1rem; transition: transform var(--t); }
.contacto__dato:hover { transform: translateX(4px); }
.contacto__dato-icono { width: 26px; height: 26px; object-fit: contain; flex-shrink: 0; }
.contacto__dato div { display: flex; flex-direction: column; }
.contacto__dato-label { font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gris-claro); }
.contacto__dato-valor { font-weight: 500; color: var(--blanco); }

.contacto__form {
  background: var(--blanco);
  padding: clamp(1.75rem, 4vw, 3rem);
}
.form-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-bottom: 1.25rem; }
.form-campo { display: flex; flex-direction: column; margin-bottom: 1.25rem; }
.form-fila .form-campo { margin-bottom: 0; }
.form-campo label {
  font-family: var(--f-mono);
  font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--gris); margin-bottom: 0.5rem;
}
.form-campo input, .form-campo textarea {
  background: var(--blanco);
  border: 1.5px solid var(--linea);
  border-radius: var(--radio);
  padding: 0.85rem 1rem;
  font-size: 0.98rem;
  transition: border-color var(--t);
  width: 100%;
  font-family: var(--f-cuerpo);
}
.form-campo input:focus, .form-campo textarea:focus { outline: none; border-color: var(--naranja); }
.form-campo textarea { resize: vertical; }
.form-check {
  display: flex; align-items: flex-start; gap: 0.6rem;
  font-size: 0.88rem; color: var(--gris);
  margin-bottom: 1.5rem; cursor: pointer;
}
.form-check input { margin-top: 0.25rem; accent-color: var(--naranja); }
.form-check a { color: var(--naranja); text-decoration: underline; }
.contacto__submit { width: 100%; }
.form-estado { margin-top: 1rem; font-size: 0.9rem; text-align: center; }
.form-estado--ok { color: #16A34A; }
.form-estado--error { color: var(--naranja); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--grafito); color: var(--gris-claro); padding: 4rem 0 2rem; }
.footer__top {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__logo { height: 36px; width: auto; margin-bottom: 1.2rem; }
.footer__tagline { color: var(--gris); font-size: 0.95rem; max-width: 320px; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer__col { display: flex; flex-direction: column; gap: 0.8rem; }
.footer__col-titulo {
  font-family: var(--f-display); font-size: 1rem;
  text-transform: uppercase; color: var(--blanco);
  margin-bottom: 0.5rem; letter-spacing: 0.03em;
  font-weight: var(--peso-subtitulo);
}
.footer__col a { color: var(--gris-claro); font-size: 0.9rem; transition: color var(--t); }
.footer__col a:hover { color: var(--naranja); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; flex-wrap: wrap; gap: 1rem;
}
.footer__bottom p, .footer__bottom a { font-size: 0.78rem; color: var(--gris); letter-spacing: 0.03em; }
.footer__bottom a:hover { color: var(--naranja); }

/* ============================================================
   WHATSAPP FLOTANTE
   ============================================================ */
.wa-flotante {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  width: 56px; height: 56px;
  background: #25D366; color: var(--blanco);
  border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  z-index: 900;
  transition: transform var(--t);
}
.wa-flotante:hover { transform: scale(1.1); }
.wa-flotante svg { width: 30px; height: 30px; }