/* =====================================================================
   F6 Refrigeración — Hoja de estilos principal
   Mobile-first: los estilos base están diseñados para ~360px y se escalan
   hacia arriba con min-width. Sin dependencias externas.
   ===================================================================== */

/* ---------------------------------------------------------------
   1. Tokens de diseño
   --------------------------------------------------------------- */
:root {
  /* Color de marca */
  --azul-900: #06263f;
  --azul-800: #0a3a5f;
  --azul-700: #0e4d7a;
  --azul-600: #1368a4;
  --azul-500: #1a87cc;
  --cian: #22b8e6;
  --naranja: #ff7a18;
  --naranja-btn: #c25100;
  --naranja-oscuro: #a34200;
  --verde: #15a36d;
  --rojo: #dc2626;

  /* Neutros */
  --gris-900: #0f172a;
  --gris-800: #1e293b;
  --gris-700: #334155;
  --gris-600: #475569;
  --gris-500: #64748b;
  --gris-400: #94a3b8;
  --gris-300: #cbd5e1;
  --gris-200: #e2e8f0;
  --gris-100: #f1f5f9;
  --gris-50: #f8fafc;
  --blanco: #ffffff;

  /* Superficies */
  --fondo: var(--blanco);
  --fondo-alt: var(--gris-50);
  --fondo-oscuro: var(--azul-900);
  --texto: var(--gris-800);
  --texto-suave: var(--gris-500);
  --texto-invertido: #e6f1f8;
  --borde: var(--gris-200);
  --borde-oscuro: rgba(255, 255, 255, 0.14);

  /* Tipografía fluida */
  --fuente: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --h1: clamp(1.75rem, 1.1rem + 2.9vw, 3.5rem);
  --h2: clamp(1.5rem, 1.15rem + 1.6vw, 2.4rem);
  --h3: clamp(1.15rem, 1.05rem + 0.5vw, 1.5rem);
  --h4: clamp(1rem, 0.97rem + 0.15vw, 1.125rem);
  --cuerpo: clamp(0.975rem, 0.95rem + 0.15vw, 1.0625rem);
  --chico: 0.875rem;
  --muy-chico: 0.8125rem;

  /* Espaciado */
  --esp-1: 0.25rem;
  --esp-2: 0.5rem;
  --esp-3: 0.75rem;
  --esp-4: 1rem;
  --esp-5: 1.5rem;
  --esp-6: 2rem;
  --esp-7: 3rem;
  --esp-8: 4rem;

  /* Layout */
  --contenedor: 1180px;
  --ancho-nav: 100%;
  --alto-nav: 62px;
  --radio-s: 8px;
  --radio: 14px;
  --radio-l: 22px;
  --radio-full: 999px;

  /* Sombras */
  --sombra-s: 0 1px 2px rgba(6, 38, 63, 0.06), 0 1px 3px rgba(6, 38, 63, 0.08);
  --sombra-m: 0 4px 12px rgba(6, 38, 63, 0.08), 0 2px 4px rgba(6, 38, 63, 0.04);
  --sombra-l: 0 18px 40px rgba(6, 38, 63, 0.14);
  --sombra-foco: 0 0 0 3px rgba(34, 184, 230, 0.45);

  --transicion: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------------------------------------------------------------
   2. Reset y base
   --------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--alto-nav) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding-top: var(--alto-nav);
  font-family: var(--fuente);
  font-size: var(--cuerpo);
  line-height: 1.65;
  color: var(--texto);
  background: var(--fondo);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.sin-scroll { overflow: hidden; }

img, svg, video { max-width: 100%; display: block; }
img { height: auto; }

h1, h2, h3, h4, h5 {
  margin: 0 0 var(--esp-3);
  line-height: 1.18;
  color: var(--azul-900);
  font-weight: 700;
  letter-spacing: -0.015em;
}
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); }
h4 { font-size: var(--h4); }

p { margin: 0 0 var(--esp-4); }
p:last-child { margin-bottom: 0; }

a { color: var(--azul-600); text-decoration: none; transition: color var(--transicion); }
a:hover { color: var(--azul-800); }

ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

img { -webkit-user-drag: none; }

:focus-visible {
  outline: 3px solid var(--cian);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection { background: var(--azul-600); color: #fff; }

/* ---------------------------------------------------------------
   3. Utilidades
   --------------------------------------------------------------- */
.contenedor {
  width: 100%;
  max-width: var(--contenedor);
  margin-inline: auto;
  padding-inline: var(--esp-4);
}

.seccion { padding-block: var(--esp-7); position: relative; }
.seccion--alt { background: var(--fondo-alt); }
.seccion--oscura { background: var(--fondo-oscuro); color: var(--texto-invertido); }
.seccion--oscura h2,
.seccion--oscura h3,
.seccion--oscura h4 { color: var(--blanco); }

.encabezado-seccion {
  max-width: 44rem;
  margin-bottom: var(--esp-6);
}
.encabezado-seccion--centro {
  margin-inline: auto;
  text-align: center;
}
.encabezado-seccion p { color: var(--texto-suave); font-size: 1.02em; }
.seccion--oscura .encabezado-seccion p { color: #a8c4d8; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--esp-2);
  font-size: var(--muy-chico);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--azul-600);
  margin-bottom: var(--esp-2);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  border-radius: var(--radio-full);
  background: linear-gradient(90deg, var(--naranja), var(--cian));
}
.encabezado-seccion--centro .eyebrow::before { display: none; }
.seccion--oscura .eyebrow { color: var(--cian); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.saltar-al-contenido {
  position: absolute;
  left: 50%;
  top: -100px;
  transform: translateX(-50%);
  z-index: 2000;
  background: var(--azul-800);
  color: #fff;
  padding: var(--esp-3) var(--esp-5);
  border-radius: 0 0 var(--radio) var(--radio);
  transition: top var(--transicion);
}
.saltar-al-contenido:focus { top: 0; color: #fff; }

/* Botones */
.btn {
  --btn-bg: var(--naranja-btn);
  --btn-color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--esp-2);
  min-height: 46px;
  padding: 0.7rem 1.4rem;
  border: 2px solid transparent;
  border-radius: var(--radio-full);
  background: var(--btn-bg);
  color: var(--btn-color);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transicion), box-shadow var(--transicion), background-color var(--transicion), color var(--transicion);
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sombra-m); color: var(--btn-color); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--naranja { --btn-bg: var(--naranja-btn); }
.btn--naranja:hover { --btn-bg: var(--naranja-oscuro); }
.btn--azul { --btn-bg: var(--azul-700); }
.btn--azul:hover { --btn-bg: var(--azul-900); }
.btn--claro { --btn-bg: transparent; --btn-color: var(--azul-800); border-color: var(--azul-700); }
.btn--claro:hover { --btn-bg: var(--azul-700); --btn-color: #fff; }
.btn--blanco { --btn-bg: #fff; --btn-color: var(--azul-800); }
.btn--blanco:hover { --btn-bg: var(--gris-100); }
.btn--ghost-oscuro { --btn-bg: transparent; --btn-color: #fff; border-color: rgba(255,255,255,0.4); }
.btn--ghost-oscuro:hover { --btn-bg: rgba(255,255,255,0.12); border-color: #fff; }
.btn--bloque { width: 100%; }
.btn--chico { min-height: 38px; padding: 0.4rem 0.95rem; font-size: var(--chico); }

/* Insignias */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--esp-1);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radio-full);
  font-size: var(--muy-chico);
  font-weight: 700;
  letter-spacing: 0.03em;
  background: rgba(34, 184, 230, 0.15);
  color: var(--azul-700);
}
.badge--naranja { background: rgba(255, 122, 24, 0.16); color: var(--naranja-oscuro); }
.badge--verde { background: rgba(21, 163, 109, 0.15); color: #0e7a51; }

/* ---------------------------------------------------------------
   4. Barra de progreso + header + navegación
   --------------------------------------------------------------- */
.barra-progreso {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--naranja), var(--cian));
  z-index: 1200;
  transition: width 90ms linear;
}

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transicion), background-color var(--transicion), border-color var(--transicion);
}
.header.scrolled {
  box-shadow: var(--sombra-m);
  border-bottom-color: var(--borde);
  background: rgba(255, 255, 255, 0.98);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--esp-4);
  height: var(--alto-nav);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--esp-2);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--azul-900);
  letter-spacing: -0.02em;
  flex: none;
}
.logo:hover { color: var(--azul-900); }
.logo__icono {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--azul-700), var(--cian));
  display: grid;
  place-items: center;
  box-shadow: var(--sombra-s);
  flex: none;
}
.logo__icono svg { width: 20px; height: 20px; color: #fff; }
.logo__texto { display: flex; flex-direction: column; line-height: 1.05; }
.logo__texto small {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--azul-500);
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--esp-1);
}
.nav__enlace {
  position: relative;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radio-s);
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--gris-700);
  transition: color var(--transicion), background-color var(--transicion);
}
.nav__enlace:hover { color: var(--azul-700); background: var(--gris-100); }
.nav__enlace.activo { color: var(--azul-700); font-weight: 700; }
.nav__enlace.activo::after {
  content: "";
  position: absolute;
  left: 0.7rem; right: 0.7rem; bottom: 0.1rem;
  height: 2px;
  border-radius: 2px;
  background: var(--naranja);
}

.nav__acciones { display: none; align-items: center; gap: var(--esp-2); }

/* Botón hamburguesa */
.hamburguesa {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border: 1px solid var(--borde);
  border-radius: var(--radio-s);
  background: #fff;
  cursor: pointer;
  flex: none;
  -webkit-tap-highlight-color: transparent;
}
.hamburguesa:hover { background: var(--gris-100); }
.hamburguesa__barras { width: 20px; display: grid; gap: 4px; }
.hamburguesa__barras span {
  height: 2px;
  border-radius: 2px;
  background: var(--azul-800);
  transition: transform var(--transicion), opacity var(--transicion);
}
.hamburguesa[aria-expanded="true"] .hamburguesa__barras span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] .hamburguesa__barras span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] .hamburguesa__barras span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Panel lateral móvil */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 38, 63, 0.55);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transicion), visibility var(--transicion);
  z-index: 1300;
}
.overlay.visible { opacity: 1; visibility: visible; }

.panel-movil {
  position: fixed;
  top: 0; right: 0;
  height: 100%;
  width: min(320px, 86vw);
  background: #fff;
  z-index: 1400;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform 280ms cubic-bezier(0.4, 0, 0.2, 1), visibility 280ms;
  display: flex;
  flex-direction: column;
  box-shadow: -12px 0 40px rgba(6, 38, 63, 0.2);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.panel-movil.abierto { transform: translateX(0); visibility: visible; }

.panel-movil__cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--esp-3);
  padding: var(--esp-4);
  border-bottom: 1px solid var(--borde);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 2;
}
.cerrar-panel {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--borde);
  border-radius: var(--radio-s);
  background: #fff;
  cursor: pointer;
  color: var(--gris-700);
  flex: none;
}
.cerrar-panel:hover { background: var(--gris-100); color: var(--azul-800); }
.cerrar-panel svg { width: 20px; height: 20px; }

.panel-movil__enlaces {
  padding: var(--esp-4);
  display: grid;
  gap: 2px;
}
.panel-movil__enlaces a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 0 var(--esp-3);
  border-radius: var(--radio-s);
  font-weight: 600;
  color: var(--gris-800);
  border-bottom: 1px solid var(--gris-100);
}
.panel-movil__enlaces a:hover,
.panel-movil__enlaces a.activo { background: var(--gris-50); color: var(--azul-700); }
.panel-movil__enlaces a::after {
  content: "›";
  color: var(--gris-400);
  font-size: 1.2rem;
}
.panel-movil__pie {
  margin-top: auto;
  padding: var(--esp-4);
  display: grid;
  gap: var(--esp-3);
  border-top: 1px solid var(--borde);
  background: var(--gris-50);
}
.panel-movil__contacto {
  font-size: var(--chico);
  color: var(--texto-suave);
  display: grid;
  gap: var(--esp-1);
}
.panel-movil__contacto a { color: var(--azul-700); font-weight: 600; display: inline-block; padding: 5px 0; }

/* ---------------------------------------------------------------
   5. Hero
   --------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: var(--esp-7) var(--esp-6);
  background: var(--azul-900);
  color: #fff;
}
.hero__fondo {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px) saturate(1.1);
  transform: scale(1.06);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 12% 20%, rgba(10, 58, 95, 0.96) 0%, rgba(6, 38, 63, 0.92) 45%, rgba(6, 38, 63, 0.98) 100%),
    linear-gradient(180deg, rgba(6,38,63,0.55) 0%, rgba(6,38,63,0.9) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(80% 70% at 70% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(80% 70% at 70% 30%, #000 0%, transparent 75%);
}

.hero__grid {
  display: grid;
  gap: var(--esp-6);
  align-items: center;
}
.hero h1 { color: #fff; margin-bottom: var(--esp-4); }
.hero h1 .destacado {
  background: linear-gradient(90deg, var(--cian), #7ee0f8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__texto { color: #c3d9e8; font-size: 1.03em; max-width: 34rem; }
.hero__acciones {
  display: flex;
  flex-wrap: wrap;
  gap: var(--esp-3);
  margin-top: var(--esp-5);
}
.hero__marcas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--esp-2) var(--esp-5);
  margin-top: var(--esp-6);
  padding-top: var(--esp-4);
  border-top: 1px solid var(--borde-oscuro);
  list-style: none;
}
.hero__marcas li {
  display: flex;
  align-items: center;
  gap: var(--esp-2);
  font-size: var(--chico);
  color: #a8c4d8;
  font-weight: 500;
}
.hero__marcas svg { width: 16px; height: 16px; color: var(--cian); flex: none; }

/* Tarjeta lateral del hero */
.hero__tarjeta {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--borde-oscuro);
  border-radius: var(--radio-l);
  padding: var(--esp-5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hero__tarjeta h3 { color: #fff; font-size: 1.05rem; }
.hero__tarjeta-item {
  display: flex;
  gap: var(--esp-3);
  padding-block: var(--esp-3);
  border-bottom: 1px solid var(--borde-oscuro);
}
.hero__tarjeta-item:last-child { border-bottom: 0; padding-bottom: 0; }
.hero__tarjeta-item svg { width: 22px; height: 22px; color: var(--cian); flex: none; margin-top: 2px; }
.hero__tarjeta-item strong { display: block; color: #fff; font-size: 0.95rem; }
.hero__tarjeta-item span { font-size: var(--chico); color: #a8c4d8; }

/* ---------------------------------------------------------------
   6. Barra de confianza / métricas
   --------------------------------------------------------------- */
.metricas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--borde);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
}
.metrica {
  background: #fff;
  padding: var(--esp-5) var(--esp-4);
  text-align: center;
}
.metrica__cifra {
  display: block;
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  font-weight: 800;
  line-height: 1;
  color: var(--azul-700);
  letter-spacing: -0.03em;
}
.metrica__cifra span { color: var(--naranja); }
.metrica__etiqueta {
  display: block;
  margin-top: var(--esp-2);
  font-size: var(--muy-chico);
  color: var(--texto-suave);
  line-height: 1.35;
}

/* ---------------------------------------------------------------
   7. Servicios
   --------------------------------------------------------------- */
.rejilla-servicios {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--esp-4);
}
.servicio {
  position: relative;
  padding: var(--esp-5);
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio-l);
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.servicio:hover { transform: translateY(-5px); box-shadow: var(--sombra-m); }
.servicio__icono {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(34,184,230,0.16), rgba(19,104,164,0.16));
  color: var(--azul-700);
  margin-bottom: var(--esp-4);
}
.servicio__icono svg { width: 26px; height: 26px; }
.servicio h3 { font-size: 1.05rem; margin-bottom: var(--esp-2); }
.servicio p { font-size: var(--chico); color: var(--texto-suave); margin-bottom: var(--esp-3); }
.servicio__lista { display: grid; gap: 6px; margin-bottom: var(--esp-4); }
.servicio__lista li {
  display: flex;
  gap: var(--esp-2);
  font-size: var(--muy-chico);
  color: var(--gris-600);
}
.servicio__lista svg { width: 14px; height: 14px; color: var(--verde); flex: none; margin-top: 3px; }
.servicio__enlace {
  display: inline-flex;
  align-items: center;
  gap: var(--esp-2);
  min-height: 32px;
  padding: 4px 0;
  font-size: var(--muy-chico);
  font-weight: 700;
  color: var(--azul-600);
}
.servicio__enlace svg { width: 14px; height: 14px; transition: transform var(--transicion); }
.servicio__enlace:hover svg { transform: translateX(3px); }

/* ---------------------------------------------------------------
   8. Galería + lightbox
   --------------------------------------------------------------- */
.rejilla-galeria {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--esp-3);
}
.galeria-item {
  position: relative;
  border: 0;
  padding: 0;
  border-radius: var(--radio);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
  background: var(--gris-200);
  -webkit-tap-highlight-color: transparent;
}
.galeria-item:nth-child(1) { grid-column: span 2; aspect-ratio: 16 / 9; }
.galeria-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease, filter var(--transicion);
}
.galeria-item:hover img { transform: scale(1.07); filter: brightness(0.85); }
.galeria-item__info {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--esp-4) var(--esp-3) var(--esp-3);
  background: linear-gradient(rgba(6, 38, 63, 0.72), rgba(6, 38, 63, 0.95));
  color: #fff;
  text-align: left;
  transform: translateY(0);
  opacity: 1;
  transition: transform var(--transicion), opacity var(--transicion);
}
/* Solo en pantallas anchas con puntero fino (mouse) el rótulo se oculta hasta hover */
@media (hover: hover) and (min-width: 768px) {
  .galeria-item__info { transform: translateY(12px); opacity: 0; }
  .galeria-item:hover .galeria-item__info,
  .galeria-item:focus-visible .galeria-item__info { transform: translateY(0); opacity: 1; }
}
.galeria-item__info strong { display: block; font-size: var(--chico); }
.galeria-item__info span { font-size: var(--muy-chico); opacity: 0.85; }
.galeria-item__zoom {
  position: absolute;
  top: var(--esp-3); right: var(--esp-3);
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  color: var(--azul-800);
}
.galeria-item__zoom svg { width: 16px; height: 16px; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(4, 20, 33, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--esp-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transicion), visibility var(--transicion);
}
.lightbox.visible { opacity: 1; visibility: visible; }
.lightbox__figura {
  margin: 0;
  max-width: min(1000px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--esp-3);
}
.lightbox__img {
  max-width: 100%;
  max-height: 76vh;
  width: auto;
  border-radius: var(--radio);
  object-fit: contain;
  background: var(--gris-800);
}
.lightbox__pie {
  color: #cfe3f0;
  font-size: var(--chico);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--esp-3);
}
.lightbox__contador { font-variant-numeric: tabular-nums; opacity: 0.75; }
.lightbox__boton {
  position: absolute;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  color: #fff;
  cursor: pointer;
  transition: background-color var(--transicion);
}
.lightbox__boton:hover { background: rgba(255,255,255,0.3); }
.lightbox__boton svg { width: 22px; height: 22px; }
.lightbox__cerrar { top: var(--esp-3); right: var(--esp-3); }
.lightbox__prev { left: var(--esp-2); top: 50%; transform: translateY(-50%); }
.lightbox__next { right: var(--esp-2); top: 50%; transform: translateY(-50%); }

/* ---------------------------------------------------------------
   9. Testimonios
   --------------------------------------------------------------- */
.testimonios { position: relative; }
.carrusel { overflow: hidden; }
.carrusel__pista {
  display: flex;
  transition: transform 480ms cubic-bezier(0.4, 0, 0.2, 1);
  touch-action: pan-y;
}
.testimonio {
  flex: 0 0 100%;
  min-width: 0;
  padding: var(--esp-2);
  display: flex;
}
.testimonio__tarjeta {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--borde-oscuro);
  border-radius: var(--radio-l);
  padding: var(--esp-5);
  display: flex;
  flex-direction: column;
  gap: var(--esp-4);
}
.testimonio__estrellas { display: flex; gap: 2px; color: #fbbf24; }
.testimonio__estrellas svg { width: 17px; height: 17px; }
.testimonio__texto { color: #d3e4f0; font-size: 0.97em; flex: 1; }
.testimonio__autor { display: flex; align-items: center; gap: var(--esp-3); }
.testimonio__avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.2);
  flex: none;
}
.testimonio__datos strong { display: block; color: #fff; font-size: 0.95rem; }
.testimonio__datos span { font-size: var(--muy-chico); color: #9dbdd4; }

.carrusel__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--esp-3);
  margin-top: var(--esp-5);
}
.carrusel__flecha {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--borde-oscuro);
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: #fff;
  cursor: pointer;
  transition: background-color var(--transicion);
}
.carrusel__flecha:hover { background: rgba(255,255,255,0.18); }
.carrusel__flecha svg { width: 18px; height: 18px; }
.carrusel__puntos { display: flex; margin-inline: -7px; }
.carrusel__punto {
  position: relative;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.carrusel__punto::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.32);
  transition: background-color var(--transicion), transform var(--transicion);
}
.carrusel__punto:hover::before { background: rgba(255, 255, 255, 0.6); }
.carrusel__punto.activo::before { background: var(--naranja); transform: scale(1.35); }

/* ---------------------------------------------------------------
   10. FAQ (acordeón)
   --------------------------------------------------------------- */
.lista-faq { display: grid; gap: var(--esp-3); max-width: 52rem; margin-inline: auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  overflow: hidden;
  transition: box-shadow var(--transicion), border-color var(--transicion);
}
.faq-item.abierta { box-shadow: var(--sombra-m); border-color: var(--azul-500); }
.faq-item__pregunta {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--esp-3);
  min-height: 58px;
  padding: var(--esp-4);
  border: 0;
  background: transparent;
  text-align: left;
  font-weight: 600;
  color: var(--azul-900);
  cursor: pointer;
}
.faq-item__pregunta:hover { color: var(--azul-600); }
.faq-item__icono {
  width: 28px; height: 28px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--gris-100);
  color: var(--azul-700);
  transition: transform var(--transicion), background-color var(--transicion), color var(--transicion);
}
.faq-item.abierta .faq-item__icono {
  transform: rotate(180deg);
  background: var(--azul-700);
  color: #fff;
}
.faq-item__respuesta {
  max-height: 0;
  overflow: hidden;
  transition: max-height 320ms ease;
}
.faq-item__respuesta > div { padding: 0 var(--esp-4) var(--esp-4); }
.faq-item__respuesta p { color: var(--texto-suave); font-size: var(--chico); margin: 0; }

/* ---------------------------------------------------------------
   11. Blog
   --------------------------------------------------------------- */
.rejilla-articulos {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--esp-5);
}
.articulo {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio-l);
  overflow: hidden;
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.articulo:hover { transform: translateY(-5px); box-shadow: var(--sombra-m); }
.articulo__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(140deg, var(--azul-800), var(--azul-500));
}
.articulo__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.articulo:hover .articulo__media img { transform: scale(1.12); }
.articulo__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(6,38,63,0.05), rgba(6,38,63,0.55));
}
.articulo__cat {
  position: absolute;
  top: var(--esp-3); left: var(--esp-3);
  z-index: 2;
  background: var(--naranja-btn);
  color: #fff;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radio-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.articulo__cuerpo { padding: var(--esp-4); display: flex; flex-direction: column; flex: 1; }
.articulo__fecha {
  font-size: var(--muy-chico);
  color: var(--texto-suave);
  display: flex;
  align-items: center;
  gap: var(--esp-2);
  margin-bottom: var(--esp-2);
}
.articulo__fecha svg { width: 13px; height: 13px; }
.articulo h3 { font-size: 1.05rem; margin-bottom: var(--esp-2); }
.articulo p { font-size: var(--chico); color: var(--texto-suave); margin-bottom: var(--esp-4); }
.articulo__enlace {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--esp-2);
  min-height: 32px;
  padding: 4px 0;
  font-size: var(--muy-chico);
  font-weight: 700;
  color: var(--azul-600);
}
.articulo__enlace svg { width: 14px; height: 14px; transition: transform var(--transicion); }
.articulo__enlace:hover svg { transform: translateX(3px); }

/* ---------------------------------------------------------------
   12. Contacto
   --------------------------------------------------------------- */
.contacto__grid { display: grid; gap: var(--esp-6); }
.formulario {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio-l);
  padding: var(--esp-5);
  box-shadow: var(--sombra-m);
}
.formulario__grid { display: grid; gap: var(--esp-4); }
.campo { display: grid; gap: var(--esp-2); }
.campo label { font-size: var(--muy-chico); font-weight: 600; color: var(--gris-700); }
.campo label .obligatorio { color: var(--naranja-oscuro); }
.campo input,
.campo select,
.campo textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--gris-300);
  border-radius: var(--radio-s);
  background: #fff;
  font-size: 1rem;
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
.campo textarea { min-height: 128px; resize: vertical; }
.campo select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 16px;
  padding-right: 2.4rem;
}
.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--azul-500);
  box-shadow: var(--sombra-foco);
}
.campo input[aria-invalid="true"],
.campo select[aria-invalid="true"],
.campo textarea[aria-invalid="true"] { border-color: var(--rojo); }
.campo__error {
  font-size: var(--muy-chico);
  color: var(--rojo);
  display: none;
  align-items: center;
  gap: 4px;
}
.campo__error.visible { display: flex; }
.campo__error svg { width: 13px; height: 13px; flex: none; }
.campo--check { grid-template-columns: auto 1fr; align-items: flex-start; gap: var(--esp-3); }
.campo--check input {
  width: 26px; height: 26px;
  min-height: 0;
  margin-top: 2px;
  accent-color: var(--azul-700);
  flex: none;
}
.campo--check label { font-weight: 400; font-size: var(--muy-chico); color: var(--texto-suave); line-height: 1.5; }
.campo--check a { display: inline-block; padding: 6px 0; }

.info-contacto { display: grid; gap: var(--esp-4); align-content: start; }
.info-tarjeta {
  display: flex;
  gap: var(--esp-4);
  padding: var(--esp-4);
  background: var(--gris-50);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
}
.info-tarjeta__icono {
  width: 42px; height: 42px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--azul-700), var(--cian));
  color: #fff;
}
.info-tarjeta__icono svg { width: 20px; height: 20px; }
.info-tarjeta strong { display: block; font-size: var(--muy-chico); text-transform: uppercase; letter-spacing: 0.08em; color: var(--texto-suave); margin-bottom: 2px; }
.info-tarjeta a, .info-tarjeta p { font-size: 0.95rem; color: var(--gris-800); margin: 0; font-weight: 600; }
.info-tarjeta a { display: inline-block; padding: 6px 0; }
.info-tarjeta a:hover { color: var(--azul-600); }

.mapa {
  margin-top: var(--esp-5);
  border-radius: var(--radio);
  overflow: hidden;
  border: 1px solid var(--borde);
  background: var(--gris-100);
  aspect-ratio: 4 / 3;
}
.mapa iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------------------------------------------------------------
   13. Footer
   --------------------------------------------------------------- */
.footer {
  background: var(--azul-900);
  color: #a8c4d8;
  padding-block: var(--esp-7) var(--esp-5);
  font-size: var(--chico);
}
.footer__grid { display: grid; gap: var(--esp-6); }
.footer h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: var(--esp-3);
  letter-spacing: 0.02em;
}
.footer p { color: #93b2c8; }
.footer__links { display: grid; gap: var(--esp-2); }
.footer__links a { color: #a8c4d8; display: inline-block; padding: 7px 0; }
.footer__links a:hover { color: var(--cian); }
.footer__contacto { display: grid; gap: var(--esp-3); }
.footer__contacto li { display: flex; gap: var(--esp-2); align-items: flex-start; }
.footer__contacto svg { width: 16px; height: 16px; color: var(--cian); flex: none; margin-top: 3px; }
.footer__contacto a { color: #d3e4f0; font-weight: 600; display: inline-block; padding: 6px 0; }
.footer__social { display: flex; gap: var(--esp-2); margin-top: var(--esp-4); }
.footer__social a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--borde-oscuro);
  border-radius: 50%;
  color: #cfe3f0;
  transition: all var(--transicion);
}
.footer__social a:hover { background: var(--cian); color: var(--azul-900); border-color: var(--cian); }
.footer__social svg { width: 18px; height: 18px; }
.footer__bottom {
  margin-top: var(--esp-6);
  padding-top: var(--esp-4);
  border-top: 1px solid var(--borde-oscuro);
  display: flex;
  flex-direction: column;
  gap: var(--esp-2);
  text-align: center;
  font-size: var(--muy-chico);
  color: #7e9db4;
}
.footer__bottom a { color: #7e9db4; display: inline-block; padding: 6px 0; }

/* ---------------------------------------------------------------
   14. Toast
   --------------------------------------------------------------- */
.toast-contenedor {
  position: fixed;
  left: var(--esp-4);
  right: var(--esp-4);
  bottom: var(--esp-4);
  z-index: 1600;
  display: grid;
  gap: var(--esp-2);
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--esp-3);
  padding: var(--esp-4);
  border-radius: var(--radio);
  background: #fff;
  border-left: 4px solid var(--verde);
  box-shadow: var(--sombra-l);
  font-size: var(--chico);
  color: var(--gris-800);
  transform: translateY(140%);
  opacity: 0;
  transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1), opacity 320ms;
  pointer-events: auto;
}
.toast.visible { transform: translateY(0); opacity: 1; }
.toast--error { border-left-color: var(--rojo); }
.toast svg { width: 20px; height: 20px; flex: none; color: var(--verde); }
.toast--error svg { color: var(--rojo); }
.toast strong { display: block; }
.toast span { color: var(--texto-suave); }

/* ---------------------------------------------------------------
   15. Animaciones de entrada
   --------------------------------------------------------------- */
.revelar {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.4, 0, 0.2, 1);
}
.revelar.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .revelar { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------------
   16. Puntos de quiebre (mobile-first)
   --------------------------------------------------------------- */
@media (min-width: 480px) {
  .rejilla-articulos { grid-template-columns: repeat(2, 1fr); }
  .formulario__grid--2 { grid-template-columns: repeat(2, 1fr); }
  .toast-contenedor { left: auto; right: var(--esp-5); max-width: 380px; }
}

@media (min-width: 640px) {
  .metricas { grid-template-columns: repeat(4, 1fr); }
  .rejilla-servicios { grid-template-columns: repeat(2, 1fr); }
  .hero__acciones .btn { min-width: 190px; }
  .footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

@media (min-width: 768px) {
  .seccion { padding-block: var(--esp-8); }
  .contacto__grid { grid-template-columns: 1.1fr 0.9fr; }
  .hero { padding-block: var(--esp-8) var(--esp-7); }
  .hero__acciones { gap: var(--esp-4); }
  .rejilla-galeria { grid-template-columns: repeat(3, 1fr); }
  .galeria-item:nth-child(1) { grid-column: span 2; }
}

@media (min-width: 1024px) {
  .nav__links { display: flex; }
  .nav__acciones { display: flex; }
  .hamburguesa { display: none; }
  .hero__grid { grid-template-columns: 1.15fr 0.85fr; gap: var(--esp-7); }
  .rejilla-servicios { grid-template-columns: repeat(3, 1fr); }
  .rejilla-articulos { grid-template-columns: repeat(3, 1fr); }
  .rejilla-galeria { grid-template-columns: repeat(4, 1fr); }
  .galeria-item:nth-child(1) { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
  .footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1.3fr; }
  .testimonio { flex: 0 0 100%; }
  .carrusel__pista { gap: var(--esp-4); }
}

/* Utilidades responsivas */
@media (max-width: 1023px) {
  .hero__tarjeta { order: 2; }
}
@media (min-width: 1024px) {
  .d-none-desktop { display: none !important; }
}
@media (max-width: 767px) {
  .d-none-mobile { display: none !important; }
}