/* ============================================
   HESED LABORATORIO CLÍNICO - DISEÑO PRINCIPAL
   Paleta: Azules clínicos profesionales
   ============================================ */

:root {
  /* Paleta principal */
  --azul-profundo: #003D6B;
  --azul-primario: #0066B3;
  --azul-vibrante: #00A8E1;
  --azul-claro: #4FC3F7;
  --azul-cielo: #B3E5FC;
  --azul-hielo: #E6F4FA;
  --azul-niebla: #F4FAFD;

  /* Acentos */
  --cyan-vital: #00BCD4;
  --verde-confianza: #00C896;
  --blanco: #ffffff;
  --texto-principal: #0A2540;
  --texto-secundario: #4A6B8A;
  --texto-suave: #7A93AD;

  /* Sombras y radios */
  --sombra-suave: 0 4px 20px rgba(0, 102, 179, 0.08);
  --sombra-media: 0 8px 32px rgba(0, 102, 179, 0.12);
  --sombra-fuerte: 0 16px 48px rgba(0, 61, 107, 0.18);
  --radio-sm: 8px;
  --radio-md: 16px;
  --radio-lg: 24px;
  --radio-xl: 32px;

  /* Tipografía */
  --fuente-principal: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --fuente-display: 'Plus Jakarta Sans', 'Inter', sans-serif;

  /* Transiciones */
  --transicion: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--fuente-principal);
  color: var(--texto-principal);
  background: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--azul-primario); text-decoration: none; transition: var(--transicion); }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* Patrones decorativos de fondo */
.bg-decorativo {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 10% 20%, rgba(0, 168, 225, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(79, 195, 247, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(0, 102, 179, 0.02) 0%, transparent 70%);
}

/* ============================================
   HEADER & NAVEGACIÓN
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 102, 179, 0.08);
  z-index: 1000;
  transition: var(--transicion);
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--sombra-suave);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.logo-imagen {
  height: 52px;
  width: auto;
  display: block;
  transition: var(--transicion);
}
.logo:hover .logo-imagen { transform: scale(1.03); }
.logo-icono {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(0, 102, 179, 0.3);
  position: relative;
  overflow: hidden;
}
.logo-icono::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 50%; height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: rotate(35deg);
  animation: brillo 4s infinite;
}
@keyframes brillo {
  0%, 100% { transform: translateX(-100%) rotate(35deg); }
  50% { transform: translateX(200%) rotate(35deg); }
}
.logo-texto h1 {
  font-family: var(--fuente-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--azul-profundo);
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.logo-texto span {
  font-size: 11px;
  color: var(--texto-secundario);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Navegación */
.nav-pestanas {
  display: flex;
  gap: 4px;
  background: var(--azul-hielo);
  padding: 6px;
  border-radius: 100px;
}
.nav-pestana {
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--texto-secundario);
  border-radius: 100px;
  transition: var(--transicion);
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  white-space: nowrap;
}
.nav-pestana:hover {
  color: var(--azul-primario);
  background: rgba(255,255,255,0.6);
}
.nav-pestana.activa {
  color: var(--blanco);
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  box-shadow: 0 4px 12px rgba(0, 102, 179, 0.3);
}
.nav-pestana svg { width: 16px; height: 16px; }

.nav-cta {
  padding: 10px 20px;
  background: var(--azul-profundo);
  color: var(--blanco);
  border-radius: 100px;
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transicion);
}
.nav-cta:hover {
  background: var(--azul-primario);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 61, 107, 0.25);
}
.nav-cta svg { width: 16px; height: 16px; }

/* Menú móvil */
.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  background: var(--azul-hielo);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  color: var(--azul-primario);
}
.menu-toggle svg { width: 24px; height: 24px; }

/* ============================================
   SECCIONES GENERALES
   ============================================ */
.seccion {
  padding: 100px 24px;
  position: relative;
}
.seccion-contenido {
  max-width: 1280px;
  margin: 0 auto;
}
.seccion-header {
  text-align: center;
  margin-bottom: 64px;
}
.seccion-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--azul-hielo);
  color: var(--azul-primario);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.seccion-eyebrow svg { width: 14px; height: 14px; }
.seccion-titulo {
  font-family: var(--fuente-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  color: var(--azul-profundo);
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.seccion-titulo .acento {
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.seccion-subtitulo {
  font-size: 18px;
  color: var(--texto-secundario);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #F4FAFD 0%, #E6F4FA 50%, #F4FAFD 100%);
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--azul-claro) 0%, transparent 60%);
  opacity: 0.3;
  border-radius: 50%;
  animation: flotar 8s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -300px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--azul-vibrante) 0%, transparent 60%);
  opacity: 0.2;
  border-radius: 50%;
  animation: flotar 10s ease-in-out infinite reverse;
}
@keyframes flotar {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.05); }
}

.hero-contenido {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 100%;
  min-height: 500px;
}
.hero-texto .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 168, 225, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--azul-primario);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
  animation: aparecer 0.6s ease;
}
.badge .punto {
  width: 8px; height: 8px;
  background: var(--verde-confianza);
  border-radius: 50%;
  animation: pulso 2s ease infinite;
}
@keyframes pulso {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-titulo {
  font-family: var(--fuente-display);
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  color: var(--azul-profundo);
  margin-bottom: 24px;
  animation: aparecer 0.7s ease 0.1s backwards;
}
.hero-titulo .gradiente {
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante), var(--azul-claro));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.hero-descripcion {
  font-size: 18px;
  color: var(--texto-secundario);
  margin-bottom: 32px;
  max-width: 540px;
  line-height: 1.6;
  animation: aparecer 0.7s ease 0.2s backwards;
}
@keyframes aparecer {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-acciones {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: aparecer 0.7s ease 0.3s backwards;
}
.btn {
  padding: 16px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transicion);
}
.btn-primario {
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  color: var(--blanco);
  box-shadow: 0 8px 24px rgba(0, 102, 179, 0.3);
}
.btn-primario:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 102, 179, 0.4);
}
.btn-secundario {
  background: var(--blanco);
  color: var(--azul-primario);
  border: 2px solid rgba(0, 102, 179, 0.15);
}
.btn-secundario:hover {
  border-color: var(--azul-primario);
  transform: translateY(-3px);
  box-shadow: var(--sombra-suave);
}
.btn svg { width: 18px; height: 18px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 102, 179, 0.1);
  animation: aparecer 0.7s ease 0.4s backwards;
}
.stat-numero {
  font-family: var(--fuente-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--azul-profundo);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-numero .mas { color: var(--azul-vibrante); }
.stat-label {
  font-size: 13px;
  color: var(--texto-secundario);
  font-weight: 500;
}

/* Visual hero (mockup del laboratorio) */
.hero-visual {
  position: relative;
  animation: aparecer 0.8s ease 0.2s backwards;
}

/* Hero slider */
.hero-slider {
  position: relative;
  border-radius: var(--radio-xl);
  overflow: hidden;
  box-shadow: 0 25px 60px -20px rgba(0, 61, 107, 0.35);
  margin-bottom: 28px;
  aspect-ratio: 16 / 10;
  background: var(--azul-profundo);
}
.hero-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-slider-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}
.hero-slider-slide.activo {
  opacity: 1;
  pointer-events: auto;
}
.hero-slider-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-slider-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 61, 107, 0) 60%, rgba(0, 61, 107, 0.35) 100%);
  pointer-events: none;
}
.hero-slider-controles {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.hero-slider-flecha {
  width: 30px;
  height: 30px;
  border: none;
  background: var(--azul-primario);
  color: var(--blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transicion);
  padding: 0;
}
.hero-slider-flecha svg { width: 16px; height: 16px; }
.hero-slider-flecha:hover {
  background: var(--azul-vibrante);
  transform: scale(1.1);
}
.hero-slider-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.hero-slider-dot {
  width: 8px;
  height: 8px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 102, 179, 0.3);
  cursor: pointer;
  padding: 0;
  transition: all 0.3s ease;
}
.hero-slider-dot.activo {
  background: var(--azul-primario);
  width: 22px;
  border-radius: 4px;
}
.hero-slider-dot:hover { background: var(--azul-vibrante); }

.hero-card {
  background: var(--blanco);
  border-radius: var(--radio-xl);
  padding: 32px;
  box-shadow: var(--sombra-fuerte);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 6px;
  background: linear-gradient(90deg, var(--azul-primario), var(--azul-vibrante), var(--azul-claro));
}
.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--azul-hielo);
}
.hero-card-titulo {
  font-weight: 700;
  color: var(--azul-profundo);
  font-size: 16px;
}
.hero-card-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--verde-confianza);
  font-weight: 600;
}
.status-dot {
  width: 8px; height: 8px;
  background: var(--verde-confianza);
  border-radius: 50%;
  animation: pulso 1.5s infinite;
}
.resultado-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  margin-bottom: 8px;
  background: var(--azul-hielo);
  border-radius: var(--radio-md);
  transition: var(--transicion);
}
.resultado-item:hover {
  transform: translateX(4px);
  background: var(--azul-cielo);
}
.resultado-info { display: flex; align-items: center; gap: 12px; }
.resultado-icono {
  width: 40px; height: 40px;
  background: var(--blanco);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul-primario);
}
.resultado-icono svg { width: 20px; height: 20px; }
.resultado-nombre { font-weight: 600; color: var(--texto-principal); font-size: 14px; }
.resultado-tiempo { font-size: 12px; color: var(--texto-suave); }
.resultado-estado {
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.estado-listo { background: rgba(0, 200, 150, 0.15); color: #008866; }
.estado-proceso { background: rgba(255, 165, 0, 0.15); color: #cc7a00; }

/* Burbujas flotantes */
.burbuja {
  position: absolute;
  background: var(--blanco);
  padding: 12px 20px;
  border-radius: 100px;
  box-shadow: var(--sombra-media);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  z-index: 3;
  animation: flotar-burbuja 4s ease-in-out infinite;
}
.burbuja-1 { top: 20px; left: -40px; color: var(--azul-primario); animation-delay: 0s; }
.burbuja-2 { bottom: 60px; right: -30px; color: var(--verde-confianza); animation-delay: 1s; }
.burbuja-3 { top: 50%; left: -60px; color: var(--cyan-vital); animation-delay: 2s; }
@keyframes flotar-burbuja {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.burbuja svg { width: 18px; height: 18px; }

/* ============================================
   SERVICIOS DESTACADOS
   ============================================ */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.servicio-card {
  background: var(--blanco);
  padding: 32px;
  border-radius: var(--radio-lg);
  border: 1px solid rgba(0, 102, 179, 0.08);
  transition: var(--transicion);
  position: relative;
  overflow: hidden;
}
.servicio-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--azul-primario), var(--azul-vibrante));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.servicio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--sombra-fuerte);
  border-color: transparent;
}
.servicio-card:hover::before { transform: scaleX(1); }
.servicio-icono {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--azul-hielo), var(--azul-cielo));
  border-radius: var(--radio-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul-primario);
  margin-bottom: 20px;
  transition: var(--transicion);
}
.servicio-card:hover .servicio-icono {
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  color: var(--blanco);
  transform: scale(1.1) rotate(-5deg);
}
.servicio-icono svg { width: 32px; height: 32px; }
.servicio-titulo {
  font-family: var(--fuente-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--azul-profundo);
  margin-bottom: 12px;
}
.servicio-descripcion {
  color: var(--texto-secundario);
  font-size: 15px;
  line-height: 1.6;
}

/* ============================================
   NOSOTROS
   ============================================ */
.seccion-nosotros {
  background: linear-gradient(180deg, var(--blanco) 0%, var(--azul-niebla) 100%);
}
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}
.nosotros-visual {
  position: relative;
}
.nosotros-imagen {
  border-radius: var(--radio-xl);
  overflow: hidden;
  box-shadow: var(--sombra-fuerte);
  position: relative;
}
.nosotros-imagen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/5;
}
.nosotros-stat-card {
  position: absolute;
  bottom: -24px; right: -24px;
  background: var(--blanco);
  padding: 24px;
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra-fuerte);
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 240px;
}
.nosotros-stat-card .icono {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  border-radius: var(--radio-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
}
.nosotros-stat-card .icono svg { width: 28px; height: 28px; }
.stat-card-numero {
  font-family: var(--fuente-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--azul-profundo);
  line-height: 1;
}
.stat-card-texto { font-size: 13px; color: var(--texto-secundario); }

.nosotros-contenido h2 {
  font-family: var(--fuente-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  color: var(--azul-profundo);
  margin-bottom: 24px;
  line-height: 1.15;
  letter-spacing: -1px;
}
.nosotros-contenido h2 .acento {
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nosotros-contenido p {
  color: var(--texto-secundario);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.mv-card {
  background: var(--blanco);
  padding: 24px;
  border-radius: var(--radio-lg);
  border: 1px solid rgba(0, 102, 179, 0.1);
  position: relative;
  overflow: hidden;
  transition: var(--transicion);
}
.mv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-media);
  border-color: var(--azul-claro);
}
.mv-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.mv-card-icono {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
}
.mv-card-icono svg { width: 20px; height: 20px; }
.mv-card-titulo {
  font-family: var(--fuente-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--azul-profundo);
}
.mv-card-texto {
  font-size: 14px;
  color: var(--texto-secundario);
  line-height: 1.6;
}

.compromisos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.compromiso-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--blanco);
  border-radius: var(--radio-md);
  border: 1px solid rgba(0, 102, 179, 0.08);
  transition: var(--transicion);
}
.compromiso-item:hover {
  border-color: var(--azul-claro);
  background: var(--azul-hielo);
}
.compromiso-check {
  width: 28px; height: 28px;
  background: var(--azul-hielo);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul-primario);
  flex-shrink: 0;
}
.compromiso-check svg { width: 16px; height: 16px; }
.compromiso-texto {
  font-size: 14px;
  font-weight: 500;
  color: var(--texto-principal);
  line-height: 1.5;
}
.compromisos-lista {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.compromisos-lista li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--texto-principal);
}
.compromisos-lista li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--azul-vibrante);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 168, 225, 0.18);
}

/* Principios */
.principios-section {
  margin-top: 80px;
  padding: 48px;
  background: linear-gradient(135deg, var(--azul-profundo), var(--azul-primario));
  border-radius: var(--radio-xl);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
}
.principios-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--azul-vibrante) 0%, transparent 60%);
  opacity: 0.3;
  border-radius: 50%;
}
.principios-section h3 {
  font-family: var(--fuente-display);
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 32px;
  text-align: center;
  position: relative;
}
.principios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  position: relative;
}
.principio-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radio-md);
  backdrop-filter: blur(10px);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transicion);
}
.principio-item:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}
.principio-numero {
  width: 28px; height: 28px;
  background: var(--azul-vibrante);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}

/* ============================================
   PRUEBAS / PORTAFOLIO
   ============================================ */
.seccion-pruebas {
  background: var(--azul-niebla);
}
.pruebas-controles {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 48px;
}
.buscador {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}
.buscador input {
  width: 100%;
  padding: 18px 24px 18px 56px;
  border: 2px solid rgba(0, 102, 179, 0.1);
  background: var(--blanco);
  border-radius: 100px;
  font-size: 15px;
  color: var(--texto-principal);
  font-family: inherit;
  transition: var(--transicion);
  box-shadow: var(--sombra-suave);
}
.buscador input:focus {
  outline: none;
  border-color: var(--azul-primario);
  box-shadow: 0 0 0 4px rgba(0, 102, 179, 0.1);
}
.buscador-icono {
  position: absolute;
  left: 20px; top: 50%;
  transform: translateY(-50%);
  color: var(--azul-primario);
  width: 20px; height: 20px;
}

.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.filtro-btn {
  padding: 10px 20px;
  background: var(--blanco);
  border: 1px solid rgba(0, 102, 179, 0.15);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--texto-secundario);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transicion);
}
.filtro-btn:hover {
  border-color: var(--azul-primario);
  color: var(--azul-primario);
}
.filtro-btn.activo {
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  color: var(--blanco);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0, 102, 179, 0.25);
}
.filtro-cuenta {
  padding: 2px 8px;
  background: rgba(0, 102, 179, 0.1);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
}
.filtro-btn.activo .filtro-cuenta {
  background: rgba(255, 255, 255, 0.25);
  color: var(--blanco);
}

.pruebas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.prueba-card {
  background: var(--blanco);
  padding: 24px;
  border-radius: var(--radio-lg);
  border: 1px solid rgba(0, 102, 179, 0.08);
  transition: var(--transicion);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.prueba-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 100px; height: 100px;
  background: var(--azul-hielo);
  border-radius: 50%;
  transform: translate(40%, -40%);
  transition: var(--transicion);
  z-index: 0;
}
.prueba-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-fuerte);
  border-color: var(--azul-claro);
}
.prueba-card:hover::before {
  background: var(--azul-cielo);
  transform: translate(30%, -30%) scale(1.2);
}
.prueba-card-contenido { position: relative; z-index: 1; }
.prueba-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}
.prueba-nombre {
  font-family: var(--fuente-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--azul-profundo);
  line-height: 1.2;
}
.prueba-cups {
  font-size: 11px;
  color: var(--texto-suave);
  font-family: 'JetBrains Mono', monospace;
  background: var(--azul-hielo);
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.prueba-sinonimos {
  font-size: 13px;
  color: var(--texto-suave);
  font-style: italic;
  margin-bottom: 12px;
  line-height: 1.4;
}
.prueba-utilidad {
  font-size: 13px;
  color: var(--texto-secundario);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.prueba-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px dashed rgba(0, 102, 179, 0.15);
}
.prueba-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--texto-secundario);
}
.prueba-meta-item svg { width: 14px; height: 14px; color: var(--azul-primario); }
.prueba-categoria {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--azul-hielo);
  color: var(--azul-primario);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.categoria-hematologia { background: rgba(239, 68, 68, 0.1); color: #dc2626; }
.categoria-autoinmunes { background: rgba(168, 85, 247, 0.1); color: #7c3aed; }
.categoria-serologia { background: rgba(245, 158, 11, 0.1); color: #d97706; }
.categoria-bioquimica { background: rgba(0, 168, 225, 0.1); color: var(--azul-primario); }
.categoria-uroanalisis { background: rgba(16, 185, 129, 0.1); color: #059669; }
.categoria-micologia { background: rgba(236, 72, 153, 0.1); color: #db2777; }

.pruebas-vacio {
  text-align: center;
  padding: 80px 20px;
  color: var(--texto-suave);
  grid-column: 1 / -1;
}
.pruebas-vacio svg { width: 64px; height: 64px; opacity: 0.3; margin-bottom: 16px; }

/* Modal de prueba */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
  animation: fadeIn 0.3s ease;
}
.modal.activo { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-contenido {
  background: var(--blanco);
  border-radius: var(--radio-xl);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
  position: relative;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-cerrar {
  position: absolute;
  top: 16px; right: 16px;
  width: 40px; height: 40px;
  background: var(--azul-hielo);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul-primario);
  transition: var(--transicion);
  z-index: 2;
}
.modal-cerrar:hover { background: var(--azul-cielo); transform: rotate(90deg); }
.modal-header {
  padding: 32px 32px 24px;
  background: linear-gradient(135deg, var(--azul-hielo), var(--blanco));
  border-radius: var(--radio-xl) var(--radio-xl) 0 0;
  position: relative;
}
.modal-nombre {
  font-family: var(--fuente-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--azul-profundo);
  margin-bottom: 8px;
}
.modal-codigo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--texto-secundario);
}
.modal-body { padding: 24px 32px 32px; }
.modal-seccion { margin-bottom: 24px; }
.modal-seccion-titulo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--azul-primario);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.modal-seccion-titulo svg { width: 18px; height: 18px; }
.modal-texto {
  font-size: 15px;
  color: var(--texto-secundario);
  line-height: 1.6;
}
.modal-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.modal-info-item {
  padding: 14px;
  background: var(--azul-hielo);
  border-radius: var(--radio-md);
}
.modal-info-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--azul-primario);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.modal-info-valor {
  font-size: 14px;
  font-weight: 600;
  color: var(--texto-principal);
}

/* ============================================
   PREPARACIÓN DEL PACIENTE
   ============================================ */
.preparacion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.preparacion-tips {
  display: grid;
  gap: 16px;
}
.tip-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--blanco);
  border-radius: var(--radio-lg);
  border: 1px solid rgba(0, 102, 179, 0.08);
  transition: var(--transicion);
  cursor: pointer;
}
.tip-card:hover {
  transform: translateX(8px);
  box-shadow: var(--sombra-media);
  border-color: var(--azul-claro);
}
.tip-numero {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  border-radius: var(--radio-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  font-family: var(--fuente-display);
  font-size: 20px;
  font-weight: 800;
  flex-shrink: 0;
}
.tip-contenido h4 {
  font-family: var(--fuente-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--azul-profundo);
  margin-bottom: 6px;
}
.tip-contenido p {
  font-size: 14px;
  color: var(--texto-secundario);
  line-height: 1.5;
}

.preparacion-visual {
  position: relative;
}
.checklist-card {
  background: var(--blanco);
  padding: 32px;
  border-radius: var(--radio-xl);
  box-shadow: var(--sombra-fuerte);
  border: 1px solid rgba(0, 102, 179, 0.08);
}
.checklist-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--azul-hielo);
}
.checklist-icono {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  border-radius: var(--radio-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
}
.checklist-icono svg { width: 24px; height: 24px; }
.checklist-titulo {
  font-family: var(--fuente-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--azul-profundo);
}
.checklist-lista { list-style: none; }
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--azul-hielo);
  font-size: 14px;
  color: var(--texto-secundario);
}
.checklist-item:last-child { border-bottom: none; }
.checklist-check {
  width: 22px; height: 22px;
  background: rgba(0, 200, 150, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--verde-confianza);
  flex-shrink: 0;
  margin-top: 2px;
}
.checklist-check svg { width: 14px; height: 14px; }

/* ============================================
   RESULTADOS
   ============================================ */
.seccion-resultados {
  background: linear-gradient(135deg, var(--azul-profundo), var(--azul-primario));
  color: var(--blanco);
  position: relative;
  overflow: hidden;
}
.seccion-resultados::before {
  content: '';
  position: absolute;
  top: -200px; left: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--azul-vibrante) 0%, transparent 60%);
  opacity: 0.2;
  border-radius: 50%;
}
.seccion-resultados::after {
  content: '';
  position: absolute;
  bottom: -200px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--azul-claro) 0%, transparent 60%);
  opacity: 0.15;
  border-radius: 50%;
}
.seccion-resultados .seccion-titulo,
.seccion-resultados .seccion-eyebrow { color: var(--blanco); }
.seccion-resultados .seccion-titulo .acento {
  background: linear-gradient(135deg, var(--azul-claro), var(--cyan-vital));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.seccion-resultados .seccion-eyebrow {
  background: rgba(255, 255, 255, 0.1);
  color: var(--azul-claro);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.seccion-resultados .seccion-subtitulo { color: rgba(255, 255, 255, 0.8); }

.pasos-proceso {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  position: relative;
  margin-bottom: 64px;
}
.paso-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radio-lg);
  padding: 28px 24px;
  backdrop-filter: blur(10px);
  transition: var(--transicion);
  position: relative;
}
.paso-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-8px);
}
.paso-numero-grande {
  font-family: var(--fuente-display);
  font-size: 56px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--azul-claro), var(--cyan-vital));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.paso-titulo {
  font-family: var(--fuente-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--blanco);
}
.paso-descripcion {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.resultados-cta {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radio-xl);
  padding: 48px;
  text-align: center;
  backdrop-filter: blur(10px);
  position: relative;
}
.resultados-cta h3 {
  font-family: var(--fuente-display);
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}
.resultados-cta p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto 24px;
}
.btn-blanco {
  background: var(--blanco);
  color: var(--azul-profundo);
  padding: 16px 32px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transicion);
  white-space: nowrap;
  text-align: center;
}
.btn-blanco:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* ============================================
   CONTACTO
   ============================================ */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: stretch;
}
.contacto-info {
  background: linear-gradient(135deg, var(--azul-profundo), var(--azul-primario));
  color: var(--blanco);
  padding: 48px 40px;
  border-radius: var(--radio-xl);
  position: relative;
  overflow: hidden;
}
.contacto-info::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--azul-vibrante) 0%, transparent 60%);
  opacity: 0.3;
  border-radius: 50%;
}
.contacto-info h3 {
  font-family: var(--fuente-display);
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}
.contacto-info p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  position: relative;
}
.contacto-datos { position: relative; }
.contacto-dato {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.contacto-dato:last-child { border-bottom: none; }
.contacto-dato-icono {
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul-claro);
  flex-shrink: 0;
}
.contacto-dato-icono svg { width: 20px; height: 20px; }
.contacto-dato-contenido { flex: 1; }
.contacto-dato-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.contacto-dato-valor {
  font-size: 15px;
  font-weight: 600;
  color: var(--blanco);
  line-height: 1.4;
}

.contacto-redes {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  position: relative;
}
.red-social {
  width: 44px; height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  transition: var(--transicion);
}
.red-social:hover {
  background: var(--azul-vibrante);
  transform: translateY(-3px);
}
.red-social svg { width: 20px; height: 20px; }

/* Formulario */
.contacto-form {
  background: var(--blanco);
  padding: 48px 40px;
  border-radius: var(--radio-xl);
  border: 1px solid rgba(0, 102, 179, 0.1);
  box-shadow: var(--sombra-suave);
}
.contacto-form h3 {
  font-family: var(--fuente-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--azul-profundo);
  margin-bottom: 24px;
}
.form-grupo { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--texto-principal);
  margin-bottom: 8px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid rgba(0, 102, 179, 0.15);
  border-radius: var(--radio-md);
  font-size: 15px;
  color: var(--texto-principal);
  font-family: inherit;
  background: var(--azul-niebla);
  transition: var(--transicion);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--azul-primario);
  background: var(--blanco);
  box-shadow: 0 0 0 4px rgba(0, 102, 179, 0.08);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-fila {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.btn-enviar {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--azul-primario), var(--azul-vibrante));
  color: var(--blanco);
  border-radius: var(--radio-md);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transicion);
  margin-top: 8px;
}
.btn-enviar svg { width: 20px; height: 20px; flex-shrink: 0; }
.btn-blanco svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-enviar:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 102, 179, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--azul-profundo);
  color: var(--blanco);
  padding: 64px 24px 24px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--azul-primario), var(--azul-vibrante), var(--azul-claro));
}
.footer-contenido {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-col h4 {
  font-family: var(--fuente-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--blanco);
}
.footer-col p,
.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.7;
  transition: var(--transicion);
  display: block;
  margin-bottom: 8px;
}
.footer-col a:hover { color: var(--azul-claro); padding-left: 4px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-logo-imagen {
  height: 56px;
  width: auto;
  display: block;
  /* En el footer el logo se ve mejor con fondo blanco o ligeramente claro */
  background: rgba(255, 255, 255, 0.95);
  padding: 8px 14px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.footer-logo .logo-icono { width: 40px; height: 40px; font-size: 16px; }
.footer-logo h3 {
  font-family: var(--fuente-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--blanco);
}
.footer-logo span {
  font-size: 10px;
  color: var(--azul-claro);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom strong { color: var(--azul-claro); }

/* ============================================
   ANIMACIONES
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .nav-pestanas { display: none; }
  .menu-toggle { display: flex; }
  .header.menu-abierto .nav-pestanas {
    display: flex;
    position: absolute;
    top: 100%; left: 16px; right: 16px;
    flex-direction: column;
    background: var(--blanco);
    border-radius: var(--radio-lg);
    padding: 16px;
    box-shadow: var(--sombra-fuerte);
    margin-top: 8px;
  }
  .nav-pestana { width: 100%; justify-content: flex-start; }
  .hero-contenido,
  .nosotros-grid,
  .preparacion-grid,
  .contacto-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .footer-contenido {
    grid-template-columns: 1fr 1fr;
  }
  .nav-cta { display: none; }
}

@media (max-width: 768px) {
  .seccion { padding: 64px 20px; }
  .hero { padding: 100px 20px 60px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .mv-grid { grid-template-columns: 1fr; }
  .form-fila { grid-template-columns: 1fr; }
  .modal-info-grid { grid-template-columns: 1fr; }
  .footer-contenido { grid-template-columns: 1fr; }
  .principios-section { padding: 32px 20px; }
  .contacto-info, .contacto-form { padding: 32px 24px; }
  .resultados-cta { padding: 32px 24px; }
  .nosotros-stat-card { position: static; margin-top: 16px; }
  .pruebas-grid { grid-template-columns: 1fr; }
  .burbuja-1, .burbuja-3 { display: none; }
}

@media (max-width: 480px) {
  .header-inner { padding: 12px 16px; }
  .logo-texto h1 { font-size: 16px; }
  .logo-icono { width: 40px; height: 40px; font-size: 16px; }
  .hero-titulo { font-size: 36px; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .stat-numero { font-size: 28px; }
  .btn { padding: 14px 24px; font-size: 14px; }
}