/* NATFER SpA - DESIGN SYSTEM CORPORATIVO & INDUSTRIAL - Identidad: Verde Institucional Natfer, Amarillo de Seguridad & Bordes Técnicos - Inspirado en el lema: "Donde la energía, la construcción y la naturaleza se unen" */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* PALETA DE VERDES NATFER (Basada en la identidad oficial y polo corporativo) */
  --color-primary: #15803d;             /* Verde principal Natfer */
  --color-primary-dark: #0f532b;        /* Verde institucional profundo */
  --color-primary-deeper: #09381c;      /* Verde oscuro para títulos de máxima autoridad */
  --color-primary-light: #22c55e;       /* Verde brote / energía sustentable */
  --color-primary-soft: #f0fdf4;        /* Fondo claro verde institucional */
  --color-primary-surface: #ecfdf5;     /* Superficie suave */
  --color-primary-border: #bbf7d0;      /* Borde verde institucional claro */
  --color-primary-border-bold: #15803d; /* Borde verde fuerte */

  /* PALETA DE AMARILLO INDUSTRIAL & SEGURIDAD (Casco y rayo de la mascota) */
  --color-accent: #f59e0b;              /* Amarillo de seguridad industrial */
  --color-accent-light: #fde047;        /* Amarillo luminoso para contrastes */
  --color-accent-dark: #d97706;         /* Amarillo tostado para hover */
  --color-accent-soft: #fffbeb;         /* Fondo tenue para alertas y llamadas */
  --color-accent-border: #d97706;       /* Borde funcional amarillo */

  /* NEGRO Y GRAFITO PARA FUNCIONES, BORDES Y PRECISIÓN TÉCNICA */
  --color-dark: #0f172a;                /* Negro grafito para tipografías técnicas */
  --color-dark-border: #1e293b;         /* Bordes técnicos de tarjetas */
  --color-dark-border-light: #334155;   /* Bordes secundarios */
  --color-dark-subtle: #475569;         /* Grises de precisión */

  /* FONDOS LUMINOSOS Y SUPERFICIES LIMPIAS */
  --color-bg-white: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-sage: #f0fdf4;
  --color-border-subtle: #e2e8f0;

  /* Tipografias y jerarquia de texto */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --color-text-main: #0f172a;           /* Texto de máxima legibilidad */
  --color-text-muted: #334155;          /* Texto secundario claro */
  --color-text-light: #64748b;          /* Textos de apoyo */

  /* Sombras, bordes y radios de esquinas */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 20px -3px rgba(15, 83, 43, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.06);
  --shadow-xl: 0 20px 25px -5px rgba(15, 83, 43, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 2px 10px rgba(15, 23, 42, 0.06);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.18s ease-in-out;
  --transition-smooth: 0.28s ease-in-out;

  --container-max-width: 1240px;
  --header-height: 80px;
}

/* Reset y normalizacion de estilos */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Divisores de seccion con estetica de circuito */
.circuit-divider {
  position: relative;
  width: 100%;
  height: 38px;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: -1px 0;
  z-index: 10;
}

.circuit-svg {
  width: 100%;
  height: 38px;
}

.circuit-path {
  stroke: var(--color-primary);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 8 6;
  animation: circuitFlow 24s linear infinite;
  opacity: 0.45;
}

.circuit-pulse-dot {
  fill: var(--color-accent);
  filter: drop-shadow(0 0 5px var(--color-accent));
}

@keyframes circuitFlow {
  to {
    stroke-dashoffset: -1000;
  }
}

/* Barra superior de contacto y alertas */
.top-bar {
  background-color: var(--color-primary-deeper);
  color: #ffffff;
  font-size: 13.5px;
  padding: 9px 0;
  border-bottom: 2px solid var(--color-accent);
  position: relative;
  z-index: 101;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.pulse-indicator {
  display: inline-block;
  width: 9px;
  height: 9px;
  background-color: var(--color-accent-light);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(253, 224, 71, 0.7);
  animation: pulse-ring 1.8s infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(253, 224, 71, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(253, 224, 71, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(253, 224, 71, 0);
  }
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 22px;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #d1fae5;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.top-bar-item:hover {
  color: var(--color-accent-light);
}

.top-bar-icon {
  width: 15px;
  height: 15px;
  color: var(--color-accent-light);
}

/* HEADER LUMINOSO CON LÍNEA INSTITUCIONAL VERDE Y AMARILLA */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--color-border-subtle);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  z-index: 100;
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(15, 83, 43, 0.08);
  border-bottom-color: var(--color-primary);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  height: 48px;
}

.brand-logo-img {
  height: 46px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.2px;
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--transition-smooth);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* BOTONES CORPORATIVOS & LLAMADOS A LA ACCIÓN */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.3px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.btn-lg {
  padding: 15px 30px;
  font-size: 16px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-dark);
  box-shadow: 0 4px 0 #0f172a, 0 6px 12px rgba(245, 158, 11, 0.25);
  font-weight: 800;
}

.btn-primary:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #0f172a, 0 8px 16px rgba(245, 158, 11, 0.35);
}

.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #0f172a;
}

.btn-secondary-green {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 0 var(--color-primary-deeper), 0 4px 10px rgba(21, 128, 61, 0.25);
}

.btn-secondary-green:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 0 var(--color-primary-deeper), 0 6px 14px rgba(21, 128, 61, 0.35);
}

.btn-whatsapp {
  background-color: #16a34a;
  color: #ffffff;
  border-color: #14532d;
  box-shadow: 0 4px 0 #14532d, 0 4px 12px rgba(22, 163, 74, 0.25);
}

.btn-whatsapp:hover {
  background-color: #15803d;
  transform: translateY(-2px);
  box-shadow: 0 6px 0 #14532d, 0 8px 16px rgba(22, 163, 74, 0.35);
}

.btn-outline-dark {
  background-color: #ffffff;
  color: var(--color-dark);
  border-color: var(--color-dark);
  box-shadow: 0 3px 0 var(--color-dark);
}

.btn-outline-dark:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 6px;
  color: var(--color-primary);
}

.hamburger-icon {
  width: 24px;
  height: 24px;
}

/* Seccion principal (Hero) */
.hero-section {
  position: relative;
  background: linear-gradient(175deg, #f0fdf4 0%, #ffffff 60%, #f8fafc 100%);
  padding: 60px 0 70px 0;
  border-bottom: 2px solid var(--color-border-subtle);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(21, 128, 61, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(21, 128, 61, 0.04) 1px, transparent 1px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.hero-badge-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #ffffff;
  border: 1.5px solid var(--color-primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.hero-badge-tag {
  background-color: var(--color-primary-dark);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.hero-badge-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.2px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 3.8vw, 48px);
  font-weight: 900;
  line-height: 1.18;
  color: var(--color-primary-deeper);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title .highlight-accent {
  color: var(--color-accent-dark);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  font-weight: 450;
  max-width: 620px;
}

.hero-slogan-box {
  display: inline-block;
  background-color: #ffffff;
  border: 1.5px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(15, 83, 43, 0.06);
}

.hero-slogan-text {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--color-primary-deeper);
  display: block;
  margin-bottom: 6px;
}

.hero-slogan-bar {
  display: flex;
  height: 4px;
  border-radius: 2px;
  overflow: hidden;
  width: 100%;
}

.slogan-bar-green {
  background-color: var(--color-primary);
  flex: 1.5;
}

.slogan-bar-yellow {
  background-color: var(--color-accent);
  flex: 1;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-trust-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 22px;
  border-top: 2px solid var(--color-border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.trust-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-soft);
  border: 1.5px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.trust-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.3;
}

/* TARJETA CORPORATIVA CON LA MASCOTA DE NATFER SpA */
.hero-visual {
  position: relative;
}

.mascot-card {
  background-color: #ffffff;
  border: 2px solid var(--color-dark);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: 6px 6px 0 var(--color-dark), 0 20px 30px rgba(15, 83, 43, 0.1);
  text-align: center;
  position: relative;
}

.mascot-tag-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: #ffffff;
  border: 2px solid var(--color-dark);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
}

.mascot-image-wrapper {
  max-width: 320px;
  margin: 10px auto 14px auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: radial-gradient(circle, #f0fdf4 0%, #ffffff 80%);
  padding: 8px;
}

.mascot-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 12px rgba(15, 83, 43, 0.15));
}

.mascot-footer-banner {
  background-color: var(--color-primary-soft);
  border: 1.5px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.mf-metric {
  text-align: center;
}

.mf-value {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 900;
  color: var(--color-primary-dark);
  line-height: 1.1;
}

.mf-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-dark-subtle);
  text-transform: uppercase;
}

.mf-divider {
  width: 1px;
  height: 28px;
  background-color: var(--color-primary-border);
}

/* Indicadores numericos y experiencia */
.stats-section {
  background-color: #ffffff;
  border-bottom: 2px solid var(--color-border-subtle);
  padding: 36px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  text-align: center;
  padding: 12px;
  border-right: 1.5px solid var(--color-border-subtle);
}

.stat-card:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(32px, 3.2vw, 42px);
  font-weight: 900;
  color: var(--color-primary-deeper);
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2px;
}

.stat-number .stat-suffix {
  color: var(--color-accent-dark);
}

.stat-label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-text-muted);
}

/* SECCIÓN DE UNIDADES DE NEGOCIO Y SERVICIOS CON FOTOS REALES */
.services-section {
  padding: 85px 0;
  background-color: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-border-subtle);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 12.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-soft);
  border: 1.5px solid var(--color-primary-border);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 900;
  color: var(--color-primary-deeper);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16.5px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background-color: #ffffff;
  border: 2px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
  position: relative;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--color-primary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.service-card.card-emergency {
  border-color: var(--color-accent);
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}

.service-card.card-emergency::before {
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent));
}

.service-card.card-emergency:hover {
  border-color: var(--color-dark);
  box-shadow: 4px 4px 0 var(--color-dark), 0 10px 25px rgba(245, 158, 11, 0.2);
}

.service-image-container {
  width: 100%;
  height: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  margin-bottom: 22px;
  border: 1.5px solid var(--color-border-subtle);
  background-color: var(--color-bg-alt);
}

.service-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover .service-photo {
  transform: scale(1.06);
}

.service-badge-overlay {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.service-badge {
  font-family: var(--font-heading);
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.4px;
  border: 1.5px solid transparent;
}

.badge-sec {
  background-color: #ffffff;
  color: #15803d;
  border-color: #15803d;
}

.badge-b2b {
  background-color: #ffffff;
  color: #0369a1;
  border-color: #0284c7;
}

.badge-247 {
  background-color: #dc2626;
  color: #ffffff;
  border-color: #991b1b;
  animation: pulse-ring 2s infinite;
}

.badge-integral {
  background-color: #ffffff;
  color: #15803d;
  border-color: #15803d;
}

.service-name {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary-deeper);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-desc {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 22px;
}

.service-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.45;
}

.feature-check-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1.5px solid var(--color-border-subtle);
}

.service-btn-action {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  color: var(--color-primary-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: color var(--transition-fast);
}

.service-btn-action:hover {
  color: var(--color-accent-dark);
}

.service-btn-action svg {
  transition: transform var(--transition-fast);
}

.service-btn-action:hover svg {
  transform: translateX(4px);
}

/* Comparador interactivo de tableros SEC (antes y despues) */
.comparison-section {
  padding: 85px 0;
  background-color: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-border-subtle);
}

.comparison-wrapper {
  max-width: 960px;
  margin: 0 auto;
  background-color: #ffffff;
  border: 2px solid var(--color-dark);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 6px 6px 0 var(--color-dark), 0 20px 30px rgba(0, 0, 0, 0.06);
}

.comparison-container {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
  user-select: none;
}

.comp-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comp-img-after {
  z-index: 1;
}

.comp-img-before-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
  border-right: 3px solid var(--color-accent);
}

.comp-img-before-wrapper .comp-img {
  width: 960px; /* Ancho fijo para sincronizar vista */
  max-width: none;
}

.comp-tag {
  position: absolute;
  top: 20px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  z-index: 5;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.comp-tag.before {
  left: 20px;
  background-color: #dc2626;
  color: #ffffff;
  border: 1.5px solid #ffffff;
}

.comp-tag.after {
  right: 20px;
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1.5px solid #ffffff;
}

.comp-slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background-color: var(--color-accent);
  border: 3px solid var(--color-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  cursor: ew-resize;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.comp-controls-bar {
  padding: 18px 24px;
  background-color: #ffffff;
  border-top: 1.5px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.comp-controls-bar p {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.comp-btn-group {
  display: flex;
  gap: 8px;
}

/* Propuesta de valor institucional */
.why-us-section {
  padding: 85px 0;
  background-color: var(--color-primary-soft);
  border-bottom: 2px solid var(--color-border-subtle);
  position: relative;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background-color: #ffffff;
  border: 1.5px solid var(--color-primary-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.why-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.why-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-soft);
  border: 1.5px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
}

.why-title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 800;
  color: var(--color-primary-deeper);
  margin-bottom: 10px;
}

.why-desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* SECCIÓN DE COBERTURA REGIONAL & DESPLIEGUE TÉCNICO */
.coverage-section {
  padding: 80px 0;
  background-color: #ffffff;
  border-bottom: 2px solid var(--color-border-subtle);
}

.coverage-box {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  padding: 44px;
  border: 2px solid var(--color-border-subtle);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 44px;
}

.coverage-info h3 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--color-primary-deeper);
  margin-bottom: 14px;
}

.coverage-info p {
  color: var(--color-text-muted);
  font-size: 15.5px;
  line-height: 1.6;
  margin-bottom: 22px;
}

.coverage-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cf-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-dark);
}

.cf-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.coverage-badges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.commune-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background-color: #ffffff;
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-dark);
  transition: all var(--transition-fast);
}

.commune-badge:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-dark);
}

.commune-badge.special {
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

/* SECCIÓN DE CONTACTO & CONVERSIÓN B2B / B2C */
.contact-section {
  padding: 85px 0;
  background: linear-gradient(180deg, #ffffff 0%, var(--color-primary-soft) 100%);
  position: relative;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 50px;
  align-items: start;
}

.contact-info-col h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 900;
  color: var(--color-primary-deeper);
  line-height: 1.2;
  margin-bottom: 18px;
}

.contact-info-col p {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 30px;
}

.contact-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #ffffff;
  border: 1.5px solid var(--color-border-subtle);
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.contact-info-card:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.cic-icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-soft);
  border: 1.5px solid var(--color-primary-border);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cic-icon-box.yellow {
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.cic-title {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--color-dark-subtle);
  margin-bottom: 2px;
}

.cic-detail {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--color-dark);
}

.cic-sub {
  font-size: 12.5px;
  color: var(--color-text-light);
}

/* Tarjeta Formulario */
.form-card {
  background: #ffffff;
  border: 2px solid var(--color-dark);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 6px 6px 0 var(--color-dark), 0 15px 30px rgba(15, 83, 43, 0.08);
  position: relative;
}

.form-header {
  margin-bottom: 24px;
}

.form-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 900;
  color: var(--color-primary-deeper);
  margin-bottom: 6px;
}

.form-subtitle {
  font-size: 14.5px;
  color: var(--color-text-muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.2px;
}

.form-label .required {
  color: #dc2626;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  background-color: var(--color-bg-alt);
  border: 1.5px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-dark);
  font-size: 15px;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.2);
}

.form-control::placeholder {
  color: #94a3b8;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230f532b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
}

textarea.form-control {
  resize: vertical;
  min-height: 95px;
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.form-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-dark-subtle);
  margin-top: 10px;
}

.form-guarantee svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
}

.form-status-alert {
  display: none;
  padding: 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
}

.form-status-alert.success {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-primary-soft);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary-dark);
}

.form-status-alert.error {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #fee2e2;
  border: 1.5px solid #dc2626;
  color: #991b1b;
}

/* Boton flotante de WhatsApp y retorno al inicio */
.floating-whatsapp-container {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
}

.floating-whatsapp-tooltip {
  background-color: var(--color-primary-deeper);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-lg);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  border: 1.5px solid var(--color-accent);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-smooth);
}

.floating-whatsapp-container:hover .floating-whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.floating-whatsapp-btn {
  width: 60px;
  height: 60px;
  background-color: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  border: 2px solid #ffffff;
  position: relative;
  transition: all var(--transition-fast);
}

.floating-whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.55);
}

.floating-whatsapp-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #25d366;
  opacity: 0.6;
  z-index: -1;
  animation: pulse-ring-large 2.2s infinite;
}

@keyframes pulse-ring-large {
  0% { transform: scale(0.95); opacity: 0.8; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.floating-whatsapp-icon {
  width: 32px;
  height: 32px;
}

.back-to-top {
  position: fixed;
  bottom: 26px;
  left: 26px;
  width: 44px;
  height: 44px;
  background-color: #ffffff;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  box-shadow: 3px 3px 0 var(--color-dark);
  transition: all var(--transition-fast);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
}

/* Pie de pagina */
.site-footer {
  background-color: var(--color-primary-deeper);
  color: #e2e8f0;
  padding: 70px 0 20px 0;
  border-top: 4px solid var(--color-accent);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand .brand-logo-img {
  height: 42px;
  margin-bottom: 18px;
  filter: brightness(0) invert(1);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.65;
  color: #cbd5e1;
  margin-bottom: 20px;
}

.footer-certifications {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cert-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.cert-pill.sec {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.4px;
  margin-bottom: 18px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 28px;
  height: 2.5px;
  background-color: var(--color-accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: #cbd5e1;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #94a3b8;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* Creditos de desarrollo del sitio */
.footer-signature-bar {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-dev-credit-centered {
  font-size: 11.5px;
  color: #64748b;
  letter-spacing: 0.3px;
  margin: 0;
}

.footer-dev-credit-centered strong {
  color: #94a3b8;
  font-weight: 600;
}

.footer-dev-credit-centered a {
  color: #94a3b8;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.footer-dev-credit-centered a:hover {
  color: var(--color-accent-light);
}

/* RESPONSIVIDAD */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-visual {
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stat-card:nth-child(2) {
    border-right: none;
  }

  .comparison-container {
    height: 380px;
  }

  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .coverage-box {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .top-bar-info {
    display: none;
  }

  .top-bar-content {
    justify-content: center;
    text-align: center;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 16px;
    transform: translateX(-100%);
    transition: transform var(--transition-smooth);
    border-top: 2px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 17px;
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .mobile-toggle {
    display: block;
  }

  .header-actions .btn {
    display: none;
  }

  .hero-section {
    padding: 40px 0 50px 0;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-trust-badges {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 20px;
  }

  .service-image-container {
    height: 190px;
  }

  .comparison-container {
    height: 280px;
  }

  .comp-img-before-wrapper .comp-img {
    width: 100vw;
  }

  .why-us-grid {
    grid-template-columns: 1fr;
  }

  .form-card {
    padding: 26px 18px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .stat-card {
    border-right: none;
    border-bottom: 1.5px solid var(--color-border-subtle);
    padding-bottom: 16px;
  }

  .coverage-box {
    padding: 24px 18px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  .floating-whatsapp-tooltip {
    display: none;
  }

  .floating-whatsapp-container {
    bottom: 18px;
    right: 18px;
  }
}

/* Estilos para detalles de contacto en pie de pagina */
.footer-contact-details li {
  margin-bottom: 14px;
}

.f-contact-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary-light);
  margin-bottom: 2px;
}

.footer-emergency-note {
  color: var(--color-accent-light) !important;
  font-weight: 600;
}

.comp-hint-text {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin: 0;
  font-weight: 500;
}