/* ==========================================================================
   CENTRO ELECTRO-ACÚSTICO - SISTEMA DE ESTILOS MODERNO (CSS3 PURO)
   ========================================================================== */

:root {
  /* Paleta Corporativa Médica */
  --color-primary: #257484;
  --color-primary-dark: #1b5662;
  --color-primary-light: #3a8d9f;
  --color-primary-subtle: #edf7f9;
  
  --color-brand-dark: #0f242a;
  --color-brand-text: #19353d;
  --color-brand-teal: #2f8697;
  --color-brand-aqua: #58a9be;
  
  --color-accent: #0284c7;
  --color-accent-light: #e0f2fe;
  
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1ea952;
  --color-whatsapp-hover: #128c7e;
  
  --color-amber: #b45309;
  --color-amber-bg: #fef3c7;
  --color-amber-border: #fcd34d;

  /* Colores Neutros y Superficies */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafb;
  --color-bg-card: #ffffff;
  --color-border: #e2e9eb;
  --color-border-subtle: #edf2f4;
  
  --color-text-main: #24353a;
  --color-text-muted: #576d73;
  --color-text-light: #7c9399;
  --color-white: #ffffff;

  /* Tipografía y Escala Fluida */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-h1: clamp(2rem, 3.8vw + 0.8rem, 3.2rem);
  --font-h2: clamp(1.6rem, 2.4vw + 0.6rem, 2.25rem);
  --font-h3: clamp(1.15rem, 1.4vw + 0.4rem, 1.45rem);
  --font-body: 1rem;
  --font-small: 0.875rem;
  --font-xs: 0.8125rem;

  /* Elevaciones y Sombras */
  --shadow-xs: 0 1px 2px rgba(15, 36, 42, 0.05);
  --shadow-sm: 0 2px 4px rgba(15, 36, 42, 0.06), 0 1px 2px rgba(15, 36, 42, 0.04);
  --shadow-md: 0 6px 16px rgba(15, 36, 42, 0.08), 0 2px 6px rgba(15, 36, 42, 0.04);
  --shadow-lg: 0 14px 30px rgba(15, 36, 42, 0.1), 0 4px 10px rgba(15, 36, 42, 0.05);
  --shadow-whatsapp: 0 8px 24px rgba(37, 211, 102, 0.35);

  /* Radios */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
}

/* ==========================================================================
   RESETEO BÁSICO Y ACCESIBILIDAD
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

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

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

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

a:hover, a:focus-visible {
  color: var(--color-primary-dark);
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul, ol {
  list-style: none;
}

/* Salto accesible para lectores de pantalla */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-brand-dark);
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Compensación de scroll para menú sticky */
section[id] {
  scroll-margin-top: calc(var(--header-height) + 30px);
}

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

/* ==========================================================================
   BARRA SUPERIOR DE CONTACTO (TOPBAR)
   ========================================================================== */

.topbar {
  background-color: var(--color-brand-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-small);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.topbar-items {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
}

.topbar-item:hover {
  color: var(--color-white);
}

.topbar-item svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
  opacity: 0.9;
}

.topbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(88, 169, 190, 0.2);
  color: #a5e2f0;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* ==========================================================================
   CABECERA PRINCIPAL Y NAVEGACIÓN (STICKY HEADER)
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

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

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* Navegación Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: var(--font-small);
  font-weight: 500;
  color: var(--color-brand-text);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover, .nav-link:focus-visible, .nav-link.active {
  color: var(--color-primary);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Botones Principales */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: var(--font-small);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  text-align: center;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-xs);
}

.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: var(--shadow-xs);
}

.btn-whatsapp:hover, .btn-whatsapp:focus-visible {
  background-color: var(--color-whatsapp-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-whatsapp);
}

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

.btn-outline:hover, .btn-outline:focus-visible {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Botón Hamburguesa Móvil */
.nav-toggle {
  display: none;
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--color-brand-dark);
  border: 1px solid var(--color-border);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Menú Drawer Móvil */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(15, 36, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1001;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  z-index: 1002;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--transition-normal), visibility var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-close {
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-brand-text);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-footer {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .mobile-nav-backdrop {
  display: block;
  opacity: 1;
}

body.nav-open .mobile-nav-drawer {
  transform: translateX(0);
  visibility: visible;
}

/* ==========================================================================
   HERO SECTION (PROPUESTA DE VALOR Y CONVERSIÓN)
   ========================================================================== */

.hero {
  position: relative;
  background: linear-gradient(145deg, #f7fafb 0%, #edf5f7 60%, #e5f1f4 100%);
  padding: 60px 0 70px;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #ffffff;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-small);
  font-weight: 600;
  margin-bottom: 20px;
  box-shadow: var(--shadow-xs);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.hero-title {
  font-size: var(--font-h1);
  line-height: 1.15;
  color: var(--color-brand-dark);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

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

.hero-desc {
  font-size: clamp(1rem, 0.4vw + 0.95rem, 1.15rem);
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 30px;
  max-width: 580px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 24px;
  border-top: 1px solid rgba(47, 134, 151, 0.15);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-small);
  color: var(--color-text-main);
  font-weight: 500;
}

.trust-item svg {
  width: 16px;
  height: 16px;
  fill: var(--color-primary);
  flex-shrink: 0;
}

/* Card Visual Hero */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--color-white);
  border: 4px solid var(--color-white);
}

.hero-image {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}



/* ==========================================================================
   SECCIÓN DE TRAYECTORIA Y AUTORIDAD (NOSOTROS)
   ========================================================================== */

.section {
  padding: 85px 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-size: var(--font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-title {
  font-size: var(--font-h2);
  color: var(--color-brand-dark);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Grilla Nosotros */
.nosotros-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 55px;
}

.nosotros-visual {
  position: relative;
}

.nosotros-img-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 4px solid var(--color-white);
}

.nosotros-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}



.nosotros-content h3 {
  font-size: var(--font-h3);
  color: var(--color-brand-dark);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.35;
}

.nosotros-text {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.nosotros-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.pillar-card {
  background-color: var(--color-white);
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pillar-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary-light);
}

.pillar-title {
  font-size: var(--font-small);
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pillar-title svg {
  width: 16px;
  height: 16px;
  fill: var(--color-primary);
  flex-shrink: 0;
}

.pillar-desc {
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   SERVICIOS PROFESIONALES
   ========================================================================== */

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 45px;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

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

.service-icon-box {
  width: 64px;
  height: 64px;
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--color-primary);
}

.service-icon-box img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.service-title {
  font-size: var(--font-h3);
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 12px;
}

.service-desc {
  font-size: var(--font-small);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-link {
  font-size: var(--font-small);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

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

/* Banner Clínico de Audiometría */
.clinical-banner {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 35px;
}

.clinical-img {
  border-radius: var(--radius-md);
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  box-shadow: var(--shadow-xs);
}

.clinical-info h3 {
  font-size: var(--font-h3);
  color: var(--color-brand-dark);
  margin-bottom: 12px;
  font-weight: 700;
}

.clinical-info p {
  font-size: var(--font-small);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

/* ==========================================================================
   TECNOLOGÍA AUDITIVA Y MODELOS
   ========================================================================== */

.panoramic-infography {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 24px;
  max-width: 960px;
  margin: 0 auto 40px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.panoramic-title {
  font-size: var(--font-small);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.panoramic-img {
  margin: 0 auto;
  width: 100%;
  max-width: 900px;
  height: auto;
}

.panoramic-caption {
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  margin-top: 12px;
  line-height: 1.5;
}

/* Grid de Modelos / Categorías */
.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.model-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.model-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.model-media {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 190px;
}

.model-media img {
  max-height: 140px;
  max-width: 80%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.06));
}

.model-body {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.model-tag {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.model-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 8px;
}

.model-desc {
  font-size: var(--font-small);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.model-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-subtle);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-small);
  color: var(--color-text-main);
  font-weight: 500;
}

.feature-item svg {
  width: 15px;
  height: 15px;
  fill: var(--color-primary);
  flex-shrink: 0;
}

/* ==========================================================================
   LABORATORIOS PROPIOS Y SOPORTE TÉCNICO
   ========================================================================== */

.labs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.lab-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  transition: box-shadow var(--transition-fast);
}

.lab-card:hover {
  box-shadow: var(--shadow-md);
}

.lab-img-wrapper {
  height: 100%;
  background-color: var(--color-bg-alt);
  overflow: hidden;
}

.lab-img-wrapper.lab-moldes {
  background-color: #f8fafb;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lab-img-wrapper.lab-moldes .lab-img {
  object-fit: contain;
  max-height: 220px;
  width: auto;
}

.lab-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lab-content {
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lab-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 8px;
}

.lab-desc {
  font-size: var(--font-small);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.lab-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lab-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-small);
  color: var(--color-text-main);
  font-weight: 500;
}

.lab-point svg {
  width: 15px;
  height: 15px;
  fill: var(--color-primary);
  flex-shrink: 0;
}

/* Tarjeta de Baterías/Pilas */
.battery-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 36px;
}

.battery-info h3 {
  font-size: var(--font-h3);
  color: var(--color-brand-dark);
  font-weight: 700;
  margin-bottom: 10px;
}

.battery-info p {
  font-size: var(--font-small);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.battery-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.bat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 700;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.bat-10 { background-color: #fef08a; color: #854d0e; }
.bat-13 { background-color: #ffedd5; color: #9a3412; }
.bat-312 { background-color: #ede9fe; color: #5b21b6; }
.bat-675 { background-color: #e0f2fe; color: #075985; }

.battery-media {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.battery-media img {
  max-height: 200px;
  width: auto;
  object-fit: contain;
}

/* ==========================================================================
   PROCESO DE ATENCIÓN (PASO A PASO)
   ========================================================================== */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.step-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  box-shadow: var(--shadow-xs);
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-number {
  width: 38px;
  height: 38px;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   FORMULARIO Y CONTACTO DIRECTO
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 45px;
  align-items: start;
}

.contact-form-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 38px 32px;
  box-shadow: var(--shadow-md);
}

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

.form-title {
  font-size: var(--font-h3);
  font-weight: 800;
  color: var(--color-brand-dark);
  margin-bottom: 6px;
}

.form-desc {
  font-size: var(--font-small);
  color: var(--color-text-muted);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: var(--font-small);
  font-weight: 600;
  color: var(--color-brand-text);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-small);
  background-color: var(--color-bg-alt);
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(47, 134, 151, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Validación nativa moderna */
.form-control:user-invalid {
  border-color: #dc2626;
  background-color: #fef2f2;
}

.form-control:user-valid {
  border-color: #16a34a;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
  cursor: pointer;
}

.form-checkbox-label input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}

.form-status {
  display: none;
  padding: 14px;
  border-radius: var(--radius-md);
  font-size: var(--font-small);
  margin-bottom: 18px;
}

.form-status.success {
  display: block;
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status.error {
  display: block;
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.form-status.warning {
  display: block;
  background-color: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}

.form-status.info {
  display: block;
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* Info de Ubicación */
.contact-info-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-block {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.info-icon {
  width: 42px;
  height: 42px;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.info-text h4 {
  font-size: var(--font-small);
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 4px;
}

.info-text p, .info-text a {
  font-size: var(--font-small);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.info-text a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.map-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-alt);
  position: relative;
}

.map-placeholder {
  padding: 24px;
  text-align: center;
}

.map-link-btn {
  margin-top: 10px;
}

/* ==========================================================================
   PIE DE PÁGINA (FOOTER)
   ========================================================================== */

.footer {
  background-color: var(--color-brand-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 65px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.8fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: var(--font-small);
  line-height: 1.65;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 380px;
}

.footer-logo {
  filter: brightness(0) invert(1);
  height: 44px;
  width: auto;
}

.footer-heading {
  font-size: var(--font-small);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: var(--font-small);
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.footer-link:hover, .footer-link:focus-visible {
  color: var(--color-white);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.social-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.social-btn svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: var(--font-xs);
  color: rgba(255, 255, 255, 0.55);
}

/* ==========================================================================
   BOTÓN FLOTANTE DE WHATSAPP
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  padding: 12px 18px 12px 14px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-whatsapp);
  font-size: var(--font-small);
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.whatsapp-float:hover, .whatsapp-float:focus-visible {
  background-color: var(--color-whatsapp-dark);
  color: var(--color-white);
  transform: translateY(-3px) scale(1.02);
}

.whatsapp-float svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.whatsapp-float-pulse {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background-color: var(--color-whatsapp);
  opacity: 0.4;
  z-index: -1;
  animation: pulse-ring 2.2s infinite cubic-bezier(0.25, 0, 0, 1);
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 0; }
  100% { transform: scale(1.15); opacity: 0; }
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE-FIRST Y MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .hero-visual {
    max-width: 420px;
    margin: 10px auto 0;
  }

  .nosotros-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .nosotros-visual {
    max-width: 440px;
    margin: 0 auto;
  }

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

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

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

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

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .topbar {
    display: none; /* Simplificar para móviles */
  }

  .header-inner {
    height: 64px;
  }

  .brand-logo {
    height: 36px;
  }

  .header-actions .btn-primary {
    display: none !important;
  }

  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
  }

  .hero {
    padding: 36px 0 45px;
  }

  .hero-title {
    font-size: clamp(1.75rem, 6vw + 0.5rem, 2.3rem);
    overflow-wrap: break-word;
    word-break: normal;
  }

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

  .hero-ctas .btn {
    width: 100%;
  }

  .section {
    padding: 55px 0;
  }

  .servicios-grid, .models-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .nosotros-pillars {
    grid-template-columns: 1fr;
  }

  .clinical-banner {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
  }

  .lab-card {
    grid-template-columns: 1fr;
  }

  .lab-img-wrapper {
    height: 210px;
  }

  .lab-img-wrapper.lab-moldes {
    height: 210px;
    padding: 16px;
  }

  .battery-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
  }

  .contact-form-card {
    padding: 24px 18px;
  }

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

  .footer-bottom {
    padding-right: 64px;
  }

  .whatsapp-float {
    width: 50px;
    height: 50px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    bottom: 18px;
    right: 18px;
    border-radius: var(--radius-full);
  }

  .whatsapp-float span {
    display: none;
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }
}

@media (max-width: 560px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}