/* ==========================================================================
   PISCINAS LOS AROMOS — styles.css
   Paleta: claro #f3f3f3 · oscuro #343642 · gris #4e4e4e · acento #1a3eb8
   Tipografía: Cormorant Garamond (títulos) + Inter (texto)
   ========================================================================== */

:root {
  --claro: #f3f3f3;
  --oscuro: #343642;
  --oscuro-90: rgba(52, 54, 66, 0.9);
  --gris: #4e4e4e;
  --blanco: #ffffff;
  --acento: #1a3eb8;
  --acento-hover: #142f8c;
  --verde-wa: #25d366;
  --linea: rgba(52, 54, 66, 0.14);
  --linea-clara: rgba(255, 255, 255, 0.18);
  --sombra-suave: 0 6px 28px rgba(52, 54, 66, 0.10);
  --sombra-media: 0 14px 44px rgba(52, 54, 66, 0.16);
  --radio-sm: 10px;   /* inputs, chips, ítems chicos */
  --radio-md: 16px;   /* tarjetas, imágenes, mapa */
  --radio-lg: 22px;   /* modal, formulario, fondo chat */
  --radio-pill: 999px; /* botones */
  --titulos: 'Montserrat', system-ui, sans-serif;
  --serif: var(--titulos); /* alias: los títulos ahora usan Montserrat */
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ancho: 1180px;
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gris);
  background: var(--claro);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--acento); text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: min(var(--ancho), 90%); margin-inline: auto; }

h1, h2, h3 { font-family: var(--titulos); font-weight: 700; color: var(--oscuro); line-height: 1.18; letter-spacing: -0.015em; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.35rem); }

.sobretitulo {
  display: block;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--acento);
  margin-bottom: 1.1rem;
}
.seccion-oscura .sobretitulo { color: #8fa3e8; }

.lead { font-size: 1.08rem; max-width: 64ch; }

/* ---------- Iconos de línea (monocromos) ---------- */
.icono-linea {
  width: 16px; height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8px;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.icono-seccion { width: 34px; height: 34px; color: var(--acento); margin-bottom: 0.9rem; display: block; }
.encabezado-seccion.centrado .icono-seccion { margin-inline: auto; }
.seccion-oscura .icono-seccion { color: #8fa3e8; }
.banner-financiacion .icono-seccion { color: rgba(255, 255, 255, 0.85); }
.metrica .icono-metrica { width: 30px; height: 30px; color: var(--acento); margin-bottom: 0.5rem; }
.seccion-oscura .metrica .icono-metrica { color: #8fa3e8; }
.ventaja .icono-ventaja { width: 26px; height: 26px; color: var(--acento); margin-bottom: 0.7rem; display: block; }
.garantia-icono { width: 38px; height: 38px; color: #8fa3e8; margin-bottom: 0.8rem; display: block; }
.footer-contacto .icono-linea { color: #8fa3e8; position: relative; top: 3px; }
.datos-contacto .icono .icono-linea { width: 18px; height: 18px; position: relative; top: 3px; }

/* ---------- Animación de aparición (IntersectionObserver) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marcas-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: 0.95rem 2.1rem;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radio-pill);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-acento { background: var(--acento); color: var(--blanco); }
.btn-acento:hover { background: var(--acento-hover); color: var(--blanco); }
.btn-contorno { background: transparent; color: var(--oscuro); border-color: var(--oscuro); }
.btn-contorno:hover { background: var(--oscuro); color: var(--blanco); }
.btn-contorno-claro { background: transparent; color: var(--blanco); border-color: rgba(255,255,255,0.65); }
.btn-contorno-claro:hover { background: var(--blanco); color: var(--oscuro); }
.btn-wa { background: var(--verde-wa); color: var(--blanco); }
.btn-wa:hover { background: #1eb557; color: var(--blanco); }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: var(--oscuro-90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linea-clara);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  height: var(--header-h);
}
.marca { display: flex; align-items: center; gap: 0.7rem; }
.marca img { width: 48px; height: 48px; border-radius: 50%; }
.marca span {
  font-family: var(--titulos);
  font-weight: 600;
  font-size: 1rem;
  color: var(--blanco);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.nav-principal { display: flex; gap: 0.25rem; margin-left: auto; align-items: center; }
.nav-principal a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radio-pill);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-principal a:hover { color: var(--blanco); background: rgba(255,255,255,0.1); }
.nav-principal a.activo { color: var(--blanco); background: var(--acento); }
.header-redes { display: flex; gap: 0.8rem; align-items: center; margin-left: 0.6rem; padding-left: 1.2rem; border-left: 1px solid var(--linea-clara); }
.header-redes a { color: rgba(255,255,255,0.65); display: flex; transition: color 0.2s ease; }
.header-redes a:hover { color: var(--blanco); }
.header-cta { padding: 0.7rem 1.5rem; font-size: 0.76rem; }

.nav-cotizar { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 42px; height: 42px;
  position: relative;
  z-index: 130;
}
.nav-toggle span {
  display: block;
  position: absolute;
  top: 50%; left: 8px; right: 8px;
  margin-top: -1px;
  height: 2px;
  background: var(--blanco);
  transition: transform 0.3s ease, background 0.3s ease;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--blanco);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-abierta .nav-toggle span { background: transparent; }
.nav-abierta .nav-toggle span::before { transform: translateY(8px) rotate(45deg); }
.nav-abierta .nav-toggle span::after { transform: translateY(-8px) rotate(-45deg); }

/* ==========================================================================
   HERO (index) y hero interno
   ========================================================================== */
.hero {
  position: relative;
  min-height: clamp(400px, 52vw, 88vh);
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero-fondo { position: absolute; inset: 0; }
.hero-fondo img { width: 100%; height: 100%; object-fit: cover; object-position: center center; }
.hero-fondo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 12, 22, 0.92) 0%, rgba(10, 12, 22, 0.54) 22%, rgba(10, 12, 22, 0.08) 52%, transparent 70%);
}
.hero-contenido {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  padding-bottom: 2.8rem;
}
.hero-contenido h1 { color: var(--blanco); font-size: clamp(1.1rem, 2.2vw, 1.55rem); font-weight: 700; margin-bottom: 0.45rem; }
.hero-contenido p { color: rgba(255, 255, 255, 0.76); font-size: 0.93rem; letter-spacing: 0.02em; margin-bottom: 1.8rem; }
.hero-acciones { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-interno {
  position: relative;
  padding: calc(var(--header-h) + 5.5rem) 0 4.5rem;
  background: var(--oscuro);
}
.hero-interno .sobretitulo { color: #8fa3e8; }
.hero-interno h1 { color: var(--blanco); font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 1rem; }
.hero-interno p { color: rgba(255, 255, 255, 0.78); max-width: 68ch; }

/* ==========================================================================
   SECCIONES GENÉRICAS
   ========================================================================== */
.seccion { padding: 6rem 0; }
.seccion-oscura { background: var(--oscuro); }
.seccion-oscura h2, .seccion-oscura h3 { color: var(--blanco); }
.seccion-oscura p, .seccion-oscura li { color: rgba(255, 255, 255, 0.8); }
.seccion-blanca { background: var(--blanco); }
.encabezado-seccion { max-width: 720px; margin-bottom: 3.5rem; }
.encabezado-seccion.centrado { margin-inline: auto; text-align: center; }
.encabezado-seccion h2 { margin-bottom: 1rem; }

/* ---------- Métricas ---------- */
.metricas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  text-align: center;
}
.metrica .numero {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  color: var(--oscuro);
  line-height: 1;
  display: block;
}
.seccion-oscura .metrica .numero { color: var(--blanco); }
.metrica .numero em { font-style: normal; color: var(--acento); }
.seccion-oscura .metrica .numero em { color: #8fa3e8; }
.metrica p {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* ---------- Tarjetas de líneas de negocio ---------- */
.lineas-negocio { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.8rem; }
.tarjeta-linea {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radio-md);
  border: 1px solid var(--linea);
  box-shadow: var(--sombra-suave);
  background: var(--blanco);
  transition: box-shadow 0.22s, transform 0.22s;
}
.tarjeta-linea:hover {
  box-shadow: 0 8px 28px rgba(26,62,184,0.13);
  transform: translateY(-3px);
}
.tarjeta-linea img {
  width: 100%;
  height: 175px;
  object-fit: cover;
  flex-shrink: 0;
  transition: transform 0.5s ease;
}
.tarjeta-linea:hover img { transform: scale(1.04); }
.tarjeta-linea-texto {
  padding: 1.3rem 1.4rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.tarjeta-linea-texto h3 { color: var(--oscuro); font-size: 1rem; margin-bottom: 0.35rem; }
.tarjeta-linea-texto p { color: var(--gris); font-size: 0.87rem; line-height: 1.55; flex: 1; margin-bottom: 1.1rem; }
.tarjeta-linea-texto .falso-enlace {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blanco);
  background: var(--acento);
  border: 1px solid var(--acento);
  padding: 0.55rem 1.2rem;
  border-radius: var(--radio-pill);
  transition: background 0.22s, border-color 0.22s;
}
.tarjeta-linea-texto .falso-enlace::after {
  content: "→";
  font-size: 0.9rem;
  transition: transform 0.22s;
}
.tarjeta-linea:hover .falso-enlace { background: var(--acento-hover); border-color: var(--acento-hover); }
.tarjeta-linea:hover .falso-enlace::after { transform: translateX(4px); }

/* ---------- Bloque garantía ---------- */
.bloque-garantia { display: grid; grid-template-columns: auto 1fr auto; gap: 3rem; align-items: center; }
.garantia-numero {
  font-family: var(--serif);
  font-size: clamp(4.5rem, 9vw, 7rem);
  color: var(--blanco);
  line-height: 0.9;
}
.garantia-numero small { display: block; font-size: 0.8rem; font-family: var(--sans); letter-spacing: 0.3em; text-transform: uppercase; color: #8fa3e8; margin-top: 0.8rem; }

/* ---------- Banner financiación ---------- */
.banner-financiacion { background: var(--acento); padding: 4rem 0; }
.banner-financiacion .container { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center; }
.banner-financiacion h2 { color: var(--blanco); }
.banner-financiacion p { color: rgba(255, 255, 255, 0.88); }
.medios-pago { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.medios-pago li {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--blanco);
  border: 1px solid rgba(255, 255, 255, 0.45);
  padding: 0.45rem 1rem;
  border-radius: var(--radio-pill);
}

/* ---------- Testimonios estilo WhatsApp ---------- */
.chat-widget {
  border-radius: var(--radio-lg);
  overflow: hidden;
  box-shadow: 0 6px 40px rgba(0,0,0,0.16);
  max-width: 860px;
  margin: 0 auto;
}
.chat-cabecera {
  background: #075e54;
  padding: 0.9rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.chat-cab-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #128c7e;
  color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.88rem;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}
.chat-cab-info { flex: 1; }
.chat-cab-info strong { display: block; color: var(--blanco); font-size: 0.96rem; font-weight: 700; }
.chat-cab-info span { font-size: 0.75rem; color: rgba(255,255,255,0.65); }
.chat-cab-wa { color: #25d366; flex-shrink: 0; }
.fondo-chat {
  background-color: #e5ddd5;
  background-image: radial-gradient(rgba(52, 54, 66, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  padding: 2.2rem clamp(1.2rem, 4vw, 3rem);
}
.testimonios { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
.burbuja {
  position: relative;
  background: var(--blanco);
  border-radius: 0 var(--radio-md) var(--radio-md) var(--radio-md);
  padding: 1rem 1.2rem 1.5rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
  font-size: 0.95rem;
}
.burbuja::before {
  content: "";
  position: absolute;
  top: 0; left: -9px;
  border: 5px solid transparent;
  border-top-color: var(--blanco);
  border-right-color: var(--blanco);
}
.burbuja .nombre { display: block; font-weight: 700; color: var(--acento); font-size: 0.82rem; margin-bottom: 0.3rem; }
.burbuja .hora {
  position: absolute;
  right: 0.9rem; bottom: 0.5rem;
  font-size: 0.68rem;
  color: #8696a0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.burbuja .tildes { color: #53bdeb; font-size: 0.85rem; letter-spacing: -0.32em; }

/* ---------- Galerías ---------- */
.galeria { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.galeria-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radio-md);
  aspect-ratio: 4 / 3;
  background: var(--oscuro);
  cursor: pointer;
  border: none;
  padding: 0;
  display: block;
  width: 100%;
}
.galeria-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.55s ease; }
.galeria-item:hover img { transform: scale(1.06); }
.galeria-item figcaption, .galeria-item .leyenda {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.6rem 1.1rem 0.8rem;
  background: linear-gradient(to top, rgba(28, 30, 40, 0.85), transparent);
  color: var(--blanco);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-align: left;
}

/* Placeholder elegante con logo en marca de agua (fotos pendientes) */
.placeholder-img {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #dcdcdc, #c7c9d1);
}
.placeholder-img img.marca-agua {
  width: 34%;
  max-width: 110px;
  height: auto;
  opacity: 0.18;
  filter: grayscale(1);
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  z-index: 400;
  background: rgba(28, 30, 40, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4vh 4vw;
}
.lightbox.abierto { display: flex; }
.lightbox img { max-width: 100%; max-height: 86vh; border-radius: var(--radio-md); box-shadow: var(--sombra-media); }
.lightbox .pie { position: absolute; bottom: 3vh; left: 0; right: 0; text-align: center; color: rgba(255,255,255,0.8); font-size: 0.85rem; letter-spacing: 0.1em; }
.lightbox-cerrar, .lightbox-ant, .lightbox-sig {
  position: absolute;
  background: none; border: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 2.2rem;
  line-height: 1;
  padding: 0.5rem 1rem;
  transition: color 0.2s ease;
}
.lightbox-cerrar:hover, .lightbox-ant:hover, .lightbox-sig:hover { color: var(--blanco); }
.lightbox-cerrar { top: 1.5rem; right: 1.5rem; }
.lightbox-ant { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-sig { right: 0.5rem; top: 50%; transform: translateY(-50%); }

/* ---------- CTA final ---------- */
.cta-final { position: relative; padding: 7rem 0; overflow: hidden; }
.cta-final .fondo { position: absolute; inset: 0; }
.cta-final .fondo img { width: 100%; height: 100%; object-fit: cover; }
.cta-final .fondo::after { content: ""; position: absolute; inset: 0; background: rgba(28, 30, 40, 0.72); }
.cta-final .container { position: relative; z-index: 2; text-align: center; max-width: 780px; }
.cta-final h2 { color: var(--blanco); margin-bottom: 1.2rem; }
.cta-final p { color: rgba(255, 255, 255, 0.85); margin-bottom: 2.2rem; }
.cta-final .hero-acciones { justify-content: center; }

/* Categorías y marcas (productos.html — contenido SEO) */
.cat-seo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cat-seo { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio-md); padding: 1.6rem 1.5rem; }
.cat-seo h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.cat-seo p { font-size: 0.9rem; line-height: 1.6; }
.cat-seo-nota { margin-top: 2rem; font-size: 0.92rem; border-left: 3px solid var(--acento); padding-left: 1.2rem; }

/* ==========================================================================
   PISCINAS.HTML
   ========================================================================== */
/* Logo de marca en encabezado de sección (Moldear / Marea).
   Los archivos son logos blancos (para fondo oscuro); sobre fondo claro
   se invierten a oscuro con un filtro para que sean visibles. */
.marca-logo { height: 40px; width: auto; display: block; margin-bottom: 1rem; filter: brightness(0); opacity: 0.82; }
.seccion-oscura .marca-logo { filter: none; opacity: 0.9; }
.encabezado-seccion.centrado .marca-logo { margin-inline: auto; }

/* Tecnología 5K */
.tec5k-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; margin-top: 1rem; }
.tec5k-diagrama { background: var(--blanco); border-radius: var(--radio-md); padding: 1.4rem; box-shadow: var(--sombra-media); }
.tec5k-diagrama img { width: 100%; height: auto; display: block; }
.tec5k-lista { display: grid; gap: 1.1rem; margin: 1.5rem 0; }
.tec5k-lista li { padding-left: 1.1rem; border-left: 3px solid #8fa3e8; list-style: none; }
.tec5k-lista strong {
  display: block;
  font-family: var(--titulos);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blanco);
  margin-bottom: 0.25rem;
}
.tec5k-lista span { font-size: 0.92rem; color: rgba(255, 255, 255, 0.72); line-height: 1.55; }
.tec5k-nota { font-size: 0.84rem; color: rgba(255, 255, 255, 0.55); font-style: italic; }
.tec5k-calidad {
  margin-top: 3rem;
  padding-top: 2.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  max-width: 820px;
}
.tec5k-calidad h3 { margin-bottom: 0.8rem; }

.ventajas { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
.ventaja { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio-md); padding: 1.6rem 1.3rem; }
.ventaja h3 { font-family: var(--sans); font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.5rem; }
.ventaja p { font-size: 0.88rem; line-height: 1.55; }

.modelos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
.tarjeta-modelo {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-md);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
}
.tarjeta-modelo:hover { box-shadow: var(--sombra-media); transform: translateY(-4px); }
.tarjeta-modelo .imagen { aspect-ratio: 16 / 10; position: relative; overflow: hidden; }
.tarjeta-modelo .imagen img { width: 100%; height: 100%; object-fit: cover; }
.tarjeta-modelo .cuerpo { padding: 1.5rem 1.5rem 1.7rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.tarjeta-modelo .cuerpo p { font-size: 0.9rem; flex: 1; }
.tarjeta-modelo .cuerpo a { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.tarjeta-modelo .cuerpo .btn { display: block; text-align: center; padding: 0.8rem 1rem; }
.nota-medidas { margin-top: 2.2rem; font-size: 0.92rem; border-left: 3px solid var(--acento); padding-left: 1.2rem; }

/* Modelo destacado (detalle) */
.modelo-detalle-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}
.modelo-galeria { display: flex; flex-direction: column; gap: 1.2rem; }
.modelo-foto {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-md);
  overflow: hidden;
  box-shadow: var(--sombra-suave);
}
.modelo-foto img { width: 100%; height: auto; display: block; }
.modelo-plano {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-md);
  overflow: hidden;
  padding: 1rem 1rem 0.4rem;
}
.modelo-plano img { width: 100%; height: auto; max-height: 200px; object-fit: contain; }
.modelo-plano figcaption,
.modelo-mini figcaption {
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--gris);
  padding: 0.6rem 0 0.3rem;
}
/* Galería secundaria (render + plano) */
.modelo-galeria-sec { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.modelo-mini {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-md);
  overflow: hidden;
  padding: 0.7rem 0.7rem 0.3rem;
  display: flex;
  flex-direction: column;
}
.modelo-mini img { width: 100%; height: 130px; object-fit: contain; }
/* Tabla de medidas disponibles */
.modelo-tabla { width: 100%; border-collapse: collapse; margin-bottom: 1.3rem; font-size: 0.88rem; }
.modelo-tabla thead th {
  text-align: left;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
  padding: 0 0.7rem 0.6rem;
  border-bottom: 2px solid var(--acento);
}
.modelo-tabla th:first-child, .modelo-tabla td:first-child { padding-left: 0; }
.modelo-tabla th:last-child, .modelo-tabla td:last-child { padding-right: 0; text-align: right; }
.modelo-tabla tbody td { padding: 0.72rem 0.7rem; border-bottom: 1px solid var(--linea); color: var(--gris); }
.modelo-tabla tbody td:first-child { font-family: var(--titulos); font-weight: 700; color: var(--oscuro); }
.modelo-tabla tbody tr:last-child td { border-bottom: none; }
.modelo-tabla tbody tr { transition: background 0.15s; }
.modelo-tabla tbody tr:hover { background: rgba(26, 62, 184, 0.045); }
.modelo-intro { font-size: 1.05rem; margin-bottom: 1.6rem; }
.modelo-specs { display: grid; gap: 0; margin-bottom: 1.2rem; }
.modelo-specs li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--linea);
}
.modelo-specs li:first-child { border-top: 1px solid var(--linea); }
.modelo-specs span {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gris);
}
.modelo-specs strong { font-family: var(--titulos); font-size: 1.1rem; color: var(--oscuro); }
.modelo-nota { font-size: 0.8rem; color: var(--gris); margin-bottom: 1.8rem; }
.modelo-acciones { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.modelo-extra {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 3.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--linea);
}
/* Banda de marca standalone: sin el separador interno */
.modelo-marca .modelo-extra { margin-top: 0; padding-top: 0; border-top: none; }
.modelo-tecnologias img { width: 100%; max-width: 380px; height: auto; margin-inline: auto; }
.modelo-porque h3 { margin-bottom: 1rem; }
.modelo-porque ul { display: grid; gap: 0.7rem; }
.modelo-porque li { position: relative; padding-left: 1.7rem; font-size: 0.96rem; }
.modelo-porque li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--acento);
  font-weight: 700;
}

/* Timeline proceso */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: paso; }
.paso { position: relative; padding-top: 1.4rem; }
.paso::before {
  counter-increment: paso;
  content: "0" counter(paso);
  font-family: var(--serif);
  font-size: 3rem;
  color: rgba(26, 62, 184, 0.35);
  line-height: 1;
  display: block;
  margin-bottom: 0.8rem;
}
.seccion-oscura .paso::before { color: #8fa3e8; }
.paso::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 44px; height: 1px;
  background: var(--acento);
}
.paso h3 { font-family: var(--sans); font-size: 0.92rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.5rem; }
.paso p { font-size: 0.9rem; line-height: 1.6; }

.garantia-detalle { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2.5rem; }
.garantia-col { background: rgba(255, 255, 255, 0.05); border: 1px solid var(--linea-clara); border-radius: var(--radio-md); padding: 1.8rem; }
.garantia-col h3 { font-family: var(--sans); font-size: 0.88rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.garantia-col li { position: relative; padding-left: 1.6rem; margin-bottom: 0.6rem; font-size: 0.92rem; }
.garantia-col li::before { content: "—"; position: absolute; left: 0; color: #8fa3e8; }

/* ==========================================================================
   PRODUCTOS.HTML
   ========================================================================== */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.4rem;
}
.chips { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.chip {
  background: var(--blanco);
  border: 1px solid var(--linea);
  color: var(--gris);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radio-pill);
  transition: all 0.25s ease;
}
.chip:hover { border-color: var(--acento); color: var(--acento); }
.chip.activo { background: var(--acento); border-color: var(--acento); color: var(--blanco); }
.filtros-controles { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.selector, .buscador {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--oscuro);
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-sm);
  padding: 0.6rem 1rem;
  outline: none;
  transition: border-color 0.25s ease;
}
.selector:focus, .buscador:focus { border-color: var(--acento); }
.buscador { min-width: 240px; }
.contador-resultados { font-size: 0.84rem; margin-bottom: 1.8rem; }

.grilla-productos { display: grid; grid-template-columns: repeat(auto-fill, minmax(235px, 1fr)); gap: 1.4rem; }
.tarjeta-producto {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.tarjeta-producto:hover { box-shadow: var(--sombra-media); transform: translateY(-4px); }
.tarjeta-producto .imagen {
  aspect-ratio: 1 / 1;
  background: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--linea);
}
.tarjeta-producto .imagen img { width: 100%; height: 100%; object-fit: contain; padding: 0.8rem; }
.tarjeta-producto .cuerpo { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.etiquetas { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.etiqueta {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radio-sm);
}
.etiqueta-marca { background: rgba(26, 62, 184, 0.08); color: var(--acento); }
.etiqueta-categoria { background: rgba(52, 54, 66, 0.07); color: var(--gris); }
.tarjeta-producto .nombre { font-size: 0.88rem; font-weight: 600; color: var(--oscuro); line-height: 1.45; flex: 1; }
.tarjeta-producto .ver-tienda {
  display: block;
  margin-top: 0.5rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  background: var(--acento);
  color: var(--blanco);
  border-radius: var(--radio-sm);
  transition: background 0.18s;
}
.tarjeta-producto .ver-tienda:hover { background: var(--acento-hover); text-decoration: none; }
.estado-catalogo { text-align: center; padding: 3rem 0; font-size: 0.95rem; }

.bloque-asesoramiento { text-align: center; max-width: 700px; margin-inline: auto; }
.bloque-asesoramiento h2 { margin-bottom: 1rem; }
.bloque-asesoramiento p { margin-bottom: 2rem; }

/* ==========================================================================
   EMPRESA.HTML
   ========================================================================== */
.historia { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3.5rem; align-items: center; }
.historia .imagen img { border-radius: var(--radio-md); box-shadow: var(--sombra-media); }

.cobertura { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.lista-zonas { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.lista-zonas li {
  position: relative;
  padding: 0.8rem 1rem 0.8rem 2.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--linea-clara);
  border-radius: var(--radio-sm);
  font-size: 0.92rem;
}
.lista-zonas li::before {
  content: "";
  position: absolute;
  left: 1rem; top: 50%;
  width: 8px; height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--acento);
}
.mapa-zona { display: flex; justify-content: center; }
.mapa-zona svg { width: 100%; max-width: 380px; height: auto; }

.tarjeta-equipo {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-md);
  overflow: hidden;
  max-width: 760px;
  box-shadow: var(--sombra-suave);
}
.tarjeta-equipo .foto { aspect-ratio: 1 / 1; overflow: hidden; }
.tarjeta-equipo .foto img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.tarjeta-equipo .cuerpo { padding: 2.2rem; align-self: center; }
.tarjeta-equipo .rol { font-size: 0.76rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--acento); display: block; margin-top: 0.4rem; margin-bottom: 1rem; }

.por-que { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.razon { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio-md); padding: 1.8rem 1.6rem; }
.razon .indice { font-family: var(--serif); font-size: 1.8rem; color: var(--acento); display: block; margin-bottom: 0.6rem; }
.razon h3 { font-family: var(--sans); font-size: 0.9rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.5rem; }
.razon p { font-size: 0.9rem; line-height: 1.6; }

/* ==========================================================================
   CONTACTO.HTML
   ========================================================================== */
.contacto-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3.5rem; align-items: start; }
.datos-contacto li { display: flex; gap: 1rem; margin-bottom: 1.3rem; font-size: 0.95rem; align-items: baseline; }
.datos-contacto .icono { color: var(--acento); flex-shrink: 0; width: 22px; text-align: center; }
.estado-atencion {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radio-pill);
  margin-top: 0.4rem;
}
.estado-atencion::before { content: ""; width: 9px; height: 9px; border-radius: 50%; }
.estado-atencion.abierto { background: rgba(37, 211, 102, 0.12); color: #128c4b; }
.estado-atencion.abierto::before { background: #25d366; }
.estado-atencion.cerrado { background: rgba(200, 60, 60, 0.1); color: #b03a3a; }
.estado-atencion.cerrado::before { background: #c84444; }

.mapa-embed { margin-top: 2rem; border-radius: var(--radio-md); overflow: hidden; box-shadow: var(--sombra-suave); }
.mapa-embed iframe { display: block; width: 100%; height: 320px; border: 0; }

.formulario {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-lg);
  padding: 2.5rem;
  box-shadow: var(--sombra-suave);
}
.formulario h2 { font-size: 1.6rem; margin-bottom: 1.6rem; }
.campo { margin-bottom: 1.2rem; }
.campo label {
  display: block;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--oscuro);
  margin-bottom: 0.4rem;
}
.campo input, .campo textarea, .campo select {
  width: 100%;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--oscuro);
  background: var(--claro);
  border: 1px solid var(--linea);
  border-radius: var(--radio-sm);
  padding: 0.8rem 1rem;
  outline: none;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.campo input:focus, .campo textarea:focus, .campo select:focus { border-color: var(--acento); background: var(--blanco); }
.campo textarea { min-height: 130px; resize: vertical; }
.campos-dobles { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.form-mensaje { margin-top: 1.2rem; font-size: 0.92rem; display: none; padding: 0.9rem 1.1rem; border-radius: var(--radio-sm); }
.form-mensaje.exito { display: block; background: rgba(37, 211, 102, 0.1); color: #128c4b; }
.form-mensaje.error { display: block; background: rgba(200, 60, 60, 0.08); color: #b03a3a; }

/* FAQ acordeón */
.faq-grupo { margin-bottom: 3rem; }
.faq-grupo h3 { margin-bottom: 1.2rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--linea); color: var(--acento); }
.faq-item {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-sm);
  margin-bottom: 0.7rem;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 3rem 1.1rem 1.4rem;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--oscuro);
  position: relative;
  transition: color 0.25s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.3rem; top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--acento);
  transition: transform 0.3s ease;
}
.faq-item[open] summary { color: var(--acento); }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item .respuesta { padding: 0 1.4rem 1.2rem; font-size: 0.93rem; }

/* ==========================================================================
   MODAL COTIZACIÓN
   ========================================================================== */
.modal {
  position: fixed; inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(28, 30, 40, 0.8);
  backdrop-filter: blur(4px);
}
.modal.abierto { display: flex; }
.modal-caja {
  background: var(--blanco);
  border-radius: var(--radio-lg);
  width: min(460px, 100%);
  padding: 2.6rem 2.4rem 2.4rem;
  position: relative;
  box-shadow: var(--sombra-media);
  animation: modal-entra 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes modal-entra {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}
.modal-caja h2 { font-size: 1.7rem; margin-bottom: 0.4rem; }
.modal-caja > p { font-size: 0.92rem; margin-bottom: 1.6rem; }
.modal-cerrar {
  position: absolute;
  top: 1rem; right: 1.1rem;
  background: none; border: none;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--gris);
  transition: color 0.2s ease;
}
.modal-cerrar:hover { color: var(--oscuro); }
.modal-caja .btn { width: 100%; text-align: center; margin-top: 0.6rem; }

/* ==========================================================================
   MARCAS / PARTNERS STRIP
   ========================================================================== */
.seccion-marcas { padding: 2.6rem 0; }
.marcas-label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 2rem;
}
.marcas-strip {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marcas-track {
  display: flex;
  width: max-content;
  align-items: center;
  animation: marquee-marcas 30s linear infinite;
}
.marcas-strip:hover .marcas-track { animation-play-state: paused; }
.marcas-track img {
  height: 58px;
  width: auto;
  max-width: 150px;
  margin: 0 1.7rem;
  object-fit: contain;
  opacity: 0.72;
  transition: opacity 0.22s;
}
.marcas-track img:hover { opacity: 1; }
@keyframes marquee-marcas {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--oscuro); color: rgba(255, 255, 255, 0.75); padding: 4.5rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 0.7fr 1fr; gap: 3rem; padding-bottom: 3.5rem; }
.footer-grid h3 {
  color: var(--blanco);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 1.3rem;
}
.footer-grid p, .footer-grid li { font-size: 0.9rem; line-height: 1.75; }
.footer-marca { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 1.2rem; }
.footer-marca img { width: 46px; height: 46px; border-radius: 50%; }
.footer-marca span { font-family: var(--serif); font-size: 1.15rem; color: var(--blanco); }
.footer-enlaces li { margin-bottom: 0.5rem; }
.footer-enlaces a { color: rgba(255, 255, 255, 0.75); transition: color 0.2s ease; }
.footer-enlaces a:hover { color: var(--blanco); }
.footer-contacto li { display: flex; gap: 0.7rem; margin-bottom: 0.8rem; align-items: baseline; }
.footer-contacto a { color: rgba(255, 255, 255, 0.85); }
.footer-contacto a:hover { color: var(--blanco); }
.footer-redes { display: flex; gap: 0.9rem; margin-top: 1.4rem; }
.footer-redes a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid var(--linea-clara);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.25s ease;
}
.footer-redes a:hover { background: var(--acento); border-color: var(--acento); color: var(--blanco); }
.footer-legal {
  border-top: 1px solid var(--linea-clara);
  padding: 1.4rem 0;
  font-size: 0.78rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   WHATSAPP FLOTANTE
   ========================================================================== */
.wa-flotante {
  position: fixed;
  right: 1.4rem; bottom: 1.4rem;
  z-index: 150;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--verde-wa);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s ease;
}
.wa-flotante:hover { transform: scale(1.1); color: var(--blanco); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Ocultar redes en header salvo pantallas grandes */
@media (max-width: 1400px) {
  .header-redes { display: none; }
}

/* Ocultar CTA del header en pantallas medianas */
@media (max-width: 1280px) {
  .header-cta { display: none; }
}

/* Grillas tablet landscape */
@media (max-width: 1024px) {
  .ventajas { grid-template-columns: repeat(3, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }

  /* backdrop-filter crea un containing block para position:fixed en Chrome,
     confinando el drawer al header. Se elimina en móvil/tablet. */
  .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--oscuro);
  }

  /* Drawer — activado en tablets y móviles */
  .nav-toggle { display: block; margin-left: auto; }
  .nav-principal {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(320px, 82vw);
    background: var(--oscuro);
    flex-direction: column;
    gap: 0;
    padding: calc(var(--header-h) + 1.5rem) 2rem 2rem;
    transform: translateX(100%);
    transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: -16px 0 44px rgba(0, 0, 0, 0.3);
    z-index: 120;
    margin-left: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .nav-abierta .nav-principal { transform: none; }
  .nav-principal a {
    padding: 0.9rem 0.5rem;
    font-size: 0.92rem;
    letter-spacing: 0.05em;
    border-radius: 0;
    border-bottom: 1px solid var(--linea-clara);
    background: none;
    color: rgba(255,255,255,0.78);
  }
  .nav-principal a:last-of-type { border-bottom: none; }
  .nav-cotizar {
    display: block;
    margin-top: 1.8rem;
    padding: 0.9rem 1.5rem;
    background: var(--acento);
    color: var(--blanco) !important;
    border: none;
    border-bottom: none !important;
    border-radius: var(--radio-pill);
    font-family: var(--sans);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    width: 100%;
    text-align: center;
    transition: background 0.18s;
  }
  .nav-cotizar:hover { background: var(--acento-hover); }
  .nav-principal a.activo {
    background: none;
    color: var(--blanco);
    border-left: 3px solid var(--acento);
    padding-left: 0.9rem;
  }
  .velo-nav {
    position: fixed; inset: 0;
    background: rgba(28, 30, 40, 0.6);
    z-index: 110;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .nav-abierta .velo-nav { opacity: 1; pointer-events: auto; }
  body.nav-abierta { overflow: hidden; }
}

/* Grillas tablet */
@media (max-width: 860px) {
  .seccion { padding: 4.5rem 0; }
  .metricas { grid-template-columns: repeat(2, 1fr); }
  .lineas-negocio, .modelos, .por-que { grid-template-columns: 1fr 1fr; }
  .cat-seo-grid { grid-template-columns: 1fr; }
  .ventajas { grid-template-columns: repeat(2, 1fr); }
  .galeria { grid-template-columns: 1fr 1fr; }
  .testimonios { grid-template-columns: 1fr; }
  .banner-financiacion .container,
  .historia, .cobertura, .contacto-grid { grid-template-columns: 1fr; }
  .modelo-detalle-grid, .modelo-extra, .tec5k-grid { grid-template-columns: 1fr; gap: 2rem; }
  .modelo-mini img { height: 150px; }
  .bloque-garantia { grid-template-columns: 1fr; text-align: center; }
  .garantia-detalle { grid-template-columns: 1fr; }
  .tarjeta-equipo { grid-template-columns: 1fr; max-width: 420px; }
  .lista-zonas { grid-template-columns: 1fr; }
  .campos-dobles { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 560px) {
  :root { --header-h: 122px; }

  /* Header 2 filas: logo+toggle en fila 1, botón CTA en fila 2 */
  .header-inner {
    height: auto;
    flex-wrap: wrap;
    align-items: center;
    padding: 0.6rem 0;
    row-gap: 0.45rem;
  }
  .marca { flex: 1; }
  .header-cta {
    display: block;
    order: 10;
    width: 100%;
    text-align: center;
    padding: 0.7rem;
    font-size: 0.78rem;
    border-radius: var(--radio-pill);
  }

  .seccion { padding: 3rem 0; }
  .seccion-marcas { display: none; }
  .marca span { display: none; }
  .hero-contenido { padding-bottom: 1.8rem; }
  .hero-acciones { flex-direction: column; align-items: flex-start; }
  .lineas-negocio, .modelos, .por-que,
  .ventajas, .timeline { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .grilla-productos { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .filtros { flex-direction: column; align-items: stretch; }
  .filtros-controles { flex-direction: column; width: 100%; }
  .buscador, .selector { min-width: 0; width: 100%; }
  .formulario { padding: 1.8rem 1.4rem; }
  .modal-caja { padding: 1.8rem 1.2rem; }
  .fondo-chat { padding: 2rem 1rem; }
  .hero-interno { padding: calc(var(--header-h) + 2.5rem) 0 2.5rem; }
  .wa-flotante { width: 52px; height: 52px; right: 1rem; bottom: 1rem; }
  .encabezado-seccion { margin-bottom: 2rem; }
  .carrusel-ant, .carrusel-sig { display: none; }
  .carrusel-tarjeta { flex: 0 0 160px; }
}

/* ==========================================================================
   SECCIÓN ACENTO (fondo azul)
   ========================================================================== */
.seccion-acento { background: var(--acento); }
.seccion-acento h2, .seccion-acento h3 { color: var(--blanco); }
.seccion-acento p, .seccion-acento li { color: rgba(255,255,255,0.87); }
.seccion-acento .sobretitulo { color: rgba(255,255,255,0.65); }
.seccion-acento .paso::before { color: rgba(255,255,255,0.22); }
.seccion-acento .paso::after { background: rgba(255,255,255,0.55); }
.seccion-acento .icono-seccion { color: rgba(255,255,255,0.85); }
.seccion-acento .garantia-col { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.22); }
.seccion-acento .garantia-col li::before { color: rgba(255,255,255,0.55); }
.seccion-acento .btn-acento { background: var(--blanco); color: var(--acento); }
.seccion-acento .btn-acento:hover { background: rgba(255,255,255,0.9); color: var(--acento); }
.seccion-acento .metrica .icono-metrica { color: rgba(255,255,255,0.65); }
.seccion-acento .metrica .numero { color: var(--blanco); }
.seccion-acento .metrica .numero em { color: var(--blanco); }

/* ==========================================================================
   CARRUSEL PRODUCTOS (index)
   ========================================================================== */
.carrusel-wrapper { position: relative; }
.carrusel-track {
  display: flex;
  gap: 1.1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 0.25rem;
}
.carrusel-track::-webkit-scrollbar { display: none; }
.carrusel-tarjeta {
  flex: 0 0 190px;
  scroll-snap-align: start;
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.carrusel-tarjeta:hover { box-shadow: var(--sombra-media); transform: translateY(-3px); }
.carrusel-tarjeta .ct-imagen { aspect-ratio: 1/1; overflow: hidden; background: var(--blanco); display: flex; align-items: center; justify-content: center; border-bottom: 1px solid var(--linea); }
.carrusel-tarjeta .ct-imagen img { width: 100%; height: 100%; object-fit: contain; padding: 0.7rem; }
.carrusel-tarjeta .ct-cuerpo { padding: 0.75rem 0.9rem 0.9rem; flex: 1; display: flex; flex-direction: column; gap: 0.4rem; }
.carrusel-tarjeta .ct-nombre { font-size: 0.78rem; font-weight: 600; color: var(--oscuro); line-height: 1.35; flex: 1; }
.carrusel-tarjeta .ct-marca { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--acento); }
.carrusel-tarjeta .ct-link { display: block; margin-top: 0.4rem; padding: 0.45rem 0.85rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; text-align: center; background: var(--acento); color: var(--blanco); border-radius: var(--radio-sm); transition: background 0.18s; }
.carrusel-tarjeta .ct-link:hover { background: var(--acento-hover); text-decoration: none; }
.carrusel-btn {
  position: absolute;
  top: 40%; transform: translateY(-50%);
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: 50%;
  width: 40px; height: 40px;
  font-size: 1.4rem; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra-suave);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  z-index: 5;
  color: var(--oscuro);
}
.carrusel-btn:hover { background: var(--acento); color: var(--blanco); border-color: var(--acento); }
.carrusel-ant { left: -18px; }
.carrusel-sig { right: -18px; }

/* ===== GUÍA DE MANTENIMIENTO (consejos.html) ===== */
.guia-articulo { max-width: 800px; margin: 0 auto; }
.guia-item { padding: 2.8rem 0; border-bottom: 1px solid var(--linea); }
.guia-item:first-child { padding-top: 0.5rem; }
.guia-item:last-child { border-bottom: none; padding-bottom: 0.5rem; }
.guia-num { display: inline-flex; align-items: center; justify-content: center;
  width: 1.8rem; height: 1.8rem; border-radius: 50%;
  background: var(--acento); color: var(--blanco);
  font-size: 0.72rem; font-weight: 700; margin-bottom: 0.75rem; }
.guia-item h2 { font-size: clamp(1.15rem, 2.4vw, 1.45rem); margin-bottom: 0.9rem; }
.guia-item p { color: var(--gris); font-size: 0.95rem; line-height: 1.78; margin-bottom: 0.7rem; }
.guia-item p:last-child { margin-bottom: 0; }
.guia-item a { color: var(--acento); font-weight: 600; text-underline-offset: 2px; }
.guia-item a:hover { color: var(--acento-hover); }
.guia-item strong { color: var(--oscuro); font-weight: 700; }

/* Franja consejos (index.html) */
.franja-consejos { background: var(--acento); padding: 1.6rem 0; }
.franja-consejos .container { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.franja-consejos p { color: rgba(255,255,255,0.92); font-size: 1rem; font-weight: 500; margin: 0; }
.franja-consejos p strong { color: var(--blanco); font-weight: 700; }
.franja-consejos .btn-franja { flex-shrink: 0; display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--blanco); color: var(--acento); border-radius: var(--radio-pill);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.65rem 1.4rem; transition: background 0.18s; }
.franja-consejos .btn-franja:hover { background: rgba(255,255,255,0.88); }
@media (max-width: 640px) {
  .franja-consejos .container { flex-direction: column; align-items: flex-start; }
}