/* ==========================================================================
   DATO GASFITER - DESIGN SYSTEM & STYLESHEET
   Optimizado para Nginx & Google PageSpeed Insights 100/100
   ========================================================================== */

:root {
  /* Paleta Corporativa */
  --color-primary: #00276a;
  --color-primary-dark: #001844;
  --color-primary-light: #0d3b8e;
  --color-accent: #005ae9;
  --color-accent-light: #2575fc;
  
  /* Estados & Acentos (Optimizados para contraste WCAG AA / AAA) */
  --color-sec-green: #059669;
  --color-sec-green-dark: #047857;
  --color-sec-green-bg: #ecfdf5;
  --color-sec-yellow: #d97706;
  --color-sec-yellow-bright: #fedf45;
  --color-urgent-red: #dc2626;
  --color-whatsapp: #15803d;
  --color-whatsapp-hover: #166534;

  /* Superficies & Textos */
  --color-bg-body: #f8fafc;
  --color-surface-white: #ffffff;
  --color-surface-muted: #f1f5f9;
  --color-surface-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-focus: #005ae9;
  
  --color-text-title: #0f172a;
  --color-text-body: #1e293b;
  --color-text-muted: #334155;
  --color-text-white: #ffffff;

  /* Tipografía */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevaciones & Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 39, 106, 0.08), 0 2px 4px -2px rgba(0, 39, 106, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 39, 106, 0.1), 0 4px 6px -4px rgba(0, 39, 106, 0.07);
  --shadow-xl: 0 20px 25px -5px rgba(0, 39, 106, 0.15), 0 8px 10px -6px rgba(0, 39, 106, 0.08);
  --shadow-glow: 0 0 25px rgba(0, 90, 233, 0.25);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-drawer: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  /* Dimensiones */
  --container-max: 1240px;
  --header-height: 86px;
  --drawer-width: 310px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
}

/* Reset Universal & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

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

/* Accesibilidad: Enlace para saltar al contenido principal (oculto visualmente) */
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: #ffffff;
  clip: auto;
  z-index: 99999;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-title);
  line-height: 1.25;
  font-weight: 700;
}

p {
  margin-bottom: 1rem;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* --------------------------------------------------------------------------
   BARRA SUPERIOR DE URGENCIAS (TOP BAR)
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--color-primary-dark);
  color: #e2e8f0;
  font-size: 0.8rem;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.topbar-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--color-sec-yellow-bright);
  font-size: clamp(0.72rem, 3.1vw, 0.82rem);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  background: var(--color-sec-green);
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-sec-green);
  animation: pulse-composited 2s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  pointer-events: none;
  will-change: transform, opacity;
}

@keyframes pulse-composited {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  65% {
    transform: scale(2.4);
    opacity: 0;
  }
  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* --------------------------------------------------------------------------
   HEADER & NAVBAR PRINCIPAL
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 0.55rem 0; /* Franja blanca con mayor amplitud vertical */
  transition: box-shadow var(--transition-fast), background var(--transition-fast), padding var(--transition-fast);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.25rem 0;
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

/* Logotipo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

/* Navegación Desktop */
.nav-desktop {
  display: none;
}

@media (min-width: 992px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 1.75rem;
  }
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-accent);
}

/* Dropdowns Globales */
.nav-item-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.dropdown-trigger svg {
  transition: transform var(--transition-fast);
}

.nav-item-dropdown:hover .dropdown-trigger svg {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% - 6px);
  left: 0;
  min-width: 260px;
  background: var(--color-surface-white);
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 35px -5px rgba(0, 39, 106, 0.16), 0 8px 16px -4px rgba(0, 39, 106, 0.08);
  padding: 0.6rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 1000;
}

/* Puente invisible para evitar que el hover se pierda */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 16px;
}

.nav-item-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-title);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.dropdown-item:hover {
  background: rgba(0, 90, 233, 0.06);
  color: var(--color-accent);
  transform: translateX(2px);
}

/* Mega Dropdown Servicios Desktop */
.dropdown-menu-services {
  min-width: 370px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  border-radius: 14px;
}

.dropdown-service-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  text-decoration: none;
  transition: all var(--transition-fast);
  background: transparent;
}

.dropdown-service-link:hover {
  background: rgba(0, 90, 233, 0.06);
  transform: translateX(3px);
}

.dropdown-service-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.dropdown-service-link:hover .dropdown-service-icon {
  transform: scale(1.08);
}

.dropdown-service-icon.icon-calefont {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.dropdown-service-icon.icon-fugas {
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
}

.dropdown-service-icon.icon-gas {
  background: rgba(217, 119, 6, 0.12);
  color: #d97706;
}

.dropdown-service-icon.icon-destape {
  background: rgba(5, 150, 105, 0.12);
  color: #059669;
}

.dropdown-service-icon.icon-informes {
  background: rgba(79, 70, 229, 0.12);
  color: #4f46e5;
}

.dropdown-service-text {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.dropdown-service-title {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

.dropdown-service-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
  margin-top: 2px;
}

.dropdown-service-arrow {
  color: #94a3b8;
  font-size: 0.85rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.dropdown-service-link:hover .dropdown-service-arrow {
  color: var(--color-accent);
  transform: translateX(3px);
}

.dropdown-services-footer {
  margin-top: 0.35rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.dropdown-services-footer a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.dropdown-services-footer a:hover {
  color: var(--color-accent-light);
  text-decoration: underline;
}

/* Dropdown Comunas Desktop */
.dropdown-menu-comunas {
  min-width: 330px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
  padding: 0.65rem;
  border-radius: 14px;
}

.dropdown-menu-comunas .dropdown-item {
  padding: 0.45rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.dropdown-menu-comunas .highlight-vina {
  grid-column: span 2;
  background: rgba(0, 90, 233, 0.05);
  font-weight: 700;
  color: var(--color-accent);
  border: 1px dashed rgba(0, 90, 233, 0.25);
  text-align: center;
  margin-top: 0.25rem;
}

.dropdown-menu-comunas .highlight-vina:hover {
  background: rgba(0, 90, 233, 0.12);
  border-color: var(--color-accent);
}

/* Enlace de Urgencias en Navbar */
.nav-link-urgencias {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-urgent-red) !important;
}

.nav-link-urgencias:hover {
  color: #b91c1c !important;
}

/* Drawer Móvil: Etiquetas de Sección y Chips */
.drawer-section-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  padding: 0.75rem 0.5rem 0.35rem;
  text-transform: uppercase;
}

.drawer-section-label svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

.drawer-comunas-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.4rem 0.25rem 0.65rem 0.5rem;
  margin: 0.15rem 0 0.5rem 0.15rem;
  border-left: 2px solid rgba(0, 90, 233, 0.2);
}

.drawer-chip {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-title);
  background: var(--color-surface-white);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.drawer-chip:hover {
  background: rgba(0, 90, 233, 0.08);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.drawer-chip.chip-highlight {
  background: rgba(0, 90, 233, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
  font-weight: 700;
}

/* Acciones en Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn-header-call {
  display: none;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-primary);
  transition: all var(--transition-fast);
}

@media (min-width: 768px) {
  .btn-header-call {
    display: inline-flex;
  }
}

.btn-header-call:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.btn-header-urgent {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.52rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-header-urgent svg {
  flex-shrink: 0;
}

.btn-header-urgent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   HAMBURGER BUTTON (MOBILE)
   -------------------------------------------------------------------------- */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  padding: 8px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  z-index: 1001;
  transition: background var(--transition-fast);
}

@media (min-width: 992px) {
  .hamburger-btn {
    display: none;
  }
}

.hamburger-line {
  width: 100%;
  height: 2.5px;
  background: var(--color-primary);
  border-radius: 4px;
  transition: all 0.3s ease;
  transform-origin: left center;
}

/* Estado Activo Hamburguesa */
.hamburger-btn.is-active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(0px, -2px);
}
.hamburger-btn.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger-btn.is-active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(0px, 2px);
}

/* --------------------------------------------------------------------------
   MOBILE NAVIGATION DRAWER
   Requisito Clave: Deslizarse de Izquierda a Derecha al abrir,
   y colapsarse de Derecha a Izquierda al cerrar.
   -------------------------------------------------------------------------- */
.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-drawer-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--drawer-width);
  max-width: 85vw;
  height: 100vh;
  background: var(--color-surface-white);
  box-shadow: var(--shadow-xl);
  z-index: 1002;
  display: flex;
  flex-direction: column;
  /* Posición inicial a la izquierda fuera de la pantalla */
  transform: translateX(-100%);
  /* Animación fluida de deslizamiento */
  transition: transform var(--transition-drawer);
  overflow-y: auto;
}

/* Al abrir: entra de izquierda a derecha */
.mobile-drawer.is-open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-muted);
}

.drawer-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface-white);
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.drawer-close-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
  transform: rotate(90deg);
}

.drawer-content {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.drawer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.drawer-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-title);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.drawer-nav-link:hover,
.drawer-nav-link.active {
  background: rgba(0, 90, 233, 0.08);
  color: var(--color-accent);
}

.drawer-submenu {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.35rem 0.25rem 0.65rem 0.75rem;
  margin: 0.15rem 0 0.5rem 0.35rem;
  border-left: 2px solid rgba(0, 90, 233, 0.2);
}

.drawer-sublink {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-title);
  border-radius: var(--radius-md);
  background: var(--color-surface-white);
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.drawer-sublink:hover,
.drawer-sublink.active {
  background: rgba(0, 90, 233, 0.06);
  border-color: rgba(0, 90, 233, 0.3);
  color: var(--color-accent);
  transform: translateX(4px);
}

.drawer-sublink .sublink-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.drawer-sublink:hover .sublink-icon {
  transform: scale(1.1);
}

.drawer-sublink .sublink-icon.icon-calefont {
  background: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

.drawer-sublink .sublink-icon.icon-fugas {
  background: rgba(2, 132, 199, 0.12);
  color: #0284c7;
}

.drawer-sublink .sublink-icon.icon-gas {
  background: rgba(217, 119, 6, 0.12);
  color: #d97706;
}

.drawer-sublink .sublink-icon.icon-destape {
  background: rgba(5, 150, 105, 0.12);
  color: #059669;
}

.drawer-sublink .sublink-icon.icon-informes {
  background: rgba(79, 70, 229, 0.12);
  color: #4f46e5;
}

.drawer-sublink .sublink-arrow {
  margin-left: auto;
  font-size: 0.8rem;
  color: #94a3b8;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.drawer-sublink:hover .sublink-arrow {
  transform: translateX(3px);
  color: var(--color-accent);
}

.drawer-emergency-box {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-text-white);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  text-align: center;
  margin-top: auto;
}

.drawer-emergency-box h4,
.drawer-emergency-box .drawer-box-title {
  color: var(--color-sec-yellow-bright);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.drawer-emergency-box p {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   BOTONES Y ELEMENTOS DE ACCIÓN
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #0046b8 100%);
  color: var(--color-text-white);
  box-shadow: 0 4px 15px rgba(0, 90, 233, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0046b8 0%, #003387 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 90, 233, 0.45);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(22, 163, 74, 0.35);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #15803d 0%, #166534 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.45);
}

.btn-emergency {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
  color: var(--color-text-white);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.35);
}

.btn-emergency:hover {
  background: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
}

/* --------------------------------------------------------------------------
   HERO SECTION CON VIDEO DE FONDO DINÁMICO
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background-color: #001844;
  color: var(--color-text-white);
  padding: 3.5rem 0 4.5rem;
  overflow: hidden;
}

.hero-video-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.hero-bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.7;
  filter: contrast(110%) saturate(120%);
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 24, 68, 0.85) 0%, rgba(0, 39, 106, 0.72) 55%, rgba(13, 59, 142, 0.65) 100%);
  z-index: 1;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 3;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.hero-badge-sec {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  color: #a7f3d0;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text-white);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }
}

.hero-highlight {
  background: linear-gradient(120deg, #fedf45 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: #e2e8f0;
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-item h3,
.stat-item .stat-number {
  color: var(--color-sec-yellow-bright);
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
  display: block;
  line-height: 1.1;
}

.stat-item p {
  color: #cbd5e1;
  font-size: 0.85rem;
  margin: 0;
  line-height: 1.3;
}

/* Tarjeta Destacada del Hero (Formulario / Cotizador Rápido) */
.hero-card {
  background: rgba(255, 255, 255, 0.98);
  color: var(--color-text-body);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-card-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.hero-card-title {
  color: var(--color-primary);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.hero-card-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.quick-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-title);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  background: #ffffff;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(0, 90, 233, 0.15);
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   SECCIÓN DE CARACTERÍSTICAS / CREDENCIALES (TRUST BAR)
   -------------------------------------------------------------------------- */
.trust-bar {
  background: var(--color-surface-white);
  padding: 2rem 0;
  border-bottom: 1px solid var(--color-border);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .trust-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.trust-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background: var(--color-surface-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.trust-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.trust-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-white);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.trust-info h3,
.trust-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.trust-info p {
  font-size: 0.88rem;
  color: #334155;
  margin: 0;
  line-height: 1.45;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   SECCIÓN DE SERVICIOS
   -------------------------------------------------------------------------- */
.section {
  padding: 4.5rem 0;
}

.section-muted {
  background-color: var(--color-surface-muted);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0047ba;
  background: rgba(0, 71, 186, 0.09);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-description {
  font-size: 1.05rem;
  color: #334155;
  line-height: 1.6;
  font-weight: 500;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--color-surface-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 90, 233, 0.3);
}

.service-image-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: var(--color-primary-dark);
}

.service-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-image-wrap img {
  transform: scale(1.05);
}

.service-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-primary-dark);
  color: var(--color-sec-yellow-bright);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.service-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.service-text {
  font-size: 0.95rem;
  color: var(--color-text-body);
  margin-bottom: 1.25rem;
  flex: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-title);
  font-weight: 500;
}

.service-feature-item svg {
  color: var(--color-sec-green);
  flex-shrink: 0;
}

.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   SECCIÓN DE COBERTURA / COMUNAS (SEO LOCAL TABS)
   -------------------------------------------------------------------------- */
.locations-section {
  background: #ffffff;
  padding: 4.5rem 0;
}

.comunas-tabs-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.comuna-tab-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-surface-muted);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.comuna-tab-btn.is-active,
.comuna-tab-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

.comunas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.comuna-card {
  padding: 1.25rem;
  background: var(--color-surface-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.comuna-card:hover {
  background: var(--color-surface-white);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.comuna-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
}

.comuna-eta {
  font-size: 0.82rem;
  color: #065f46;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.comuna-card p {
  font-size: 0.85rem;
  color: #334155;
  margin: 0;
  line-height: 1.45;
  font-weight: 500;
}

.comuna-link {
  font-size: 0.88rem;
  color: #0047ba;
  font-weight: 700;
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* --------------------------------------------------------------------------
   SECCIÓN DE PREGUNTAS FRECUENTES (FAQ ACCORDION)
   -------------------------------------------------------------------------- */
.faq-section {
  padding: 4.5rem 0;
  background: var(--color-surface-muted);
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--color-surface-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: left;
  background: transparent;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  color: var(--color-accent);
  flex-shrink: 0;
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  color: var(--color-text-body);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   BANNER DE URGENCIAS Y EMERGENCIAS (CALLOUT DE ALTA CONVERSIÓN)
   -------------------------------------------------------------------------- */
.emergency-banner {
  background: linear-gradient(135deg, #b91c1c 0%, #ef4444 100%);
  color: var(--color-text-white);
  padding: 3.5rem 0;
  position: relative;
  overflow: hidden;
}

.emergency-banner-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.emergency-banner h2 {
  color: var(--color-text-white);
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.emergency-banner p {
  font-size: 1.1rem;
  color: #fecaca;
  margin-bottom: 2rem;
}

.emergency-btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #94a3b8;
  padding: 4.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}

.footer-col h3,
.footer-col h4 {
  color: var(--color-text-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-sec-yellow-bright);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   BOTONES FLOTANTES MÓVILES (STICKY ACTION BAR & WHATSAPP)
   -------------------------------------------------------------------------- */




/* Botón Volver Arriba (Scroll to Top) - Ubicado en la esquina inferior derecha */
.btn-scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 18px rgba(0, 39, 106, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.85);
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease, box-shadow 0.2s ease;
}

.btn-scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.btn-scroll-top:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 24px rgba(0, 90, 233, 0.45);
  color: #ffffff;
}

.btn-scroll-top:active {
  transform: translateY(-1px) scale(0.96);
}

.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-surface-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.08);
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 0.6rem 0.8rem;
  gap: 0.6rem;
  z-index: 997;
}

@media (min-width: 768px) {
  .mobile-bottom-bar {
    display: none;
  }
}

.btn-bottom-call {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.7rem 0.5rem;
  border-radius: var(--radius-md);
  text-align: center;
}

.btn-bottom-wa {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, #25d366 0%, #1ea952 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 0.7rem 0.5rem;
  border-radius: var(--radius-md);
  text-align: center;
}

/* Espaciado y adaptaciones móviles */
@media (max-width: 767px) {
  .hero-bg-video {
    display: none !important;
  }
  .hero-video-container {
    background-image: url('../assets/images/hero-bg-poster.webp');
    background-size: cover;
    background-position: center;
  }
  body {
    padding-bottom: 65px;
  }
  .btn-scroll-top {
    bottom: 78px;
    right: 18px;
    width: 46px;
    height: 46px;
  }
}