/* Variables CSS para consistencia - Optimizadas */
:root {
  /* Colores principales de la marca */
  --color-azul-oscuro: #004AAD;
  --color-azul-intermedio: #009FE3;
  --color-azul-claro: #00C2FF;
  --color-amarillo: #FFD700;
  --color-amarillo-suave: #FFF9C4;
  
  /* Colores neutros optimizados */
  --color-blanco: #FFFFFF;
  --color-gris-claro: #F8F9FA;
  --color-gris-medio: #E9ECEF;
  --color-gris-oscuro: #6C757D;
  
  /* Colores para texto y utilidades */
  --color-texto: #212529;
  --color-texto-claro: #6C757D;
  --color-error: #e53e3e;
  --color-exito: #38a169;
  
  /* Sombras optimizadas para rendimiento */
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-heavy: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-lift: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Bordes y esquinas redondeadas optimizadas */
  --border-radius: 8px;
  --border-radius-btn: 25px;
  --border-radius-card: 12px;
  
  /* Transiciones optimizadas */
  --transition: all 0.2s ease;
  --transition-slow: all 0.3s ease;
  --transition-fast: all 0.1s ease;
  
  /* Espaciados y dimensiones optimizados */
  --header-height: 70px;
  --container-width: 1200px;
  --section-spacing: 4rem;
  
  /* Degradados optimizados */
  --gradient-azul: linear-gradient(135deg, var(--color-azul-claro), var(--color-azul-intermedio));
  --gradient-azul-suave: linear-gradient(135deg, var(--color-azul-claro), var(--color-azul-intermedio));
  --gradient-amarillo: linear-gradient(135deg, var(--color-amarillo-suave), var(--color-amarillo));
  --gradient-gris: linear-gradient(135deg, var(--color-gris-claro), var(--color-gris-medio));
}

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

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

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--color-texto);
  background-color: var(--color-blanco);
  overflow-x: hidden;
  text-rendering: optimizeSpeed;
  font-display: swap;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Contenedor principal optimizado */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1rem;
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--color-azul-oscuro);
  color: white;
  padding: 8px 12px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 10000;
  transition: top 0.3s;
  font-weight: 500;
}

.skip-link:focus {
  top: 6px;
}

/* Títulos de sección optimizados */
.section-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  color: var(--color-azul-oscuro);
  position: relative;
  font-weight: 600;
  line-height: 1.2;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gradient-azul-suave);
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  font-size: 1rem;
  color: var(--color-texto-claro);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Botones optimizados */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: var(--gradient-azul);
  color: var(--color-blanco);
  text-decoration: none;
  border-radius: var(--border-radius-btn);
  font-weight: 500;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  gap: 8px;
  min-height: 48px;
  will-change: transform;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.btn:hover::after {
  transform: translateY(0);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Header optimizado */
.header {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-light);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: transform 0.3s ease;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  will-change: transform;
}

.header.hide {
  transform: translateY(-100%);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  min-height: var(--header-height);
}

/* Estilos para el logo optimizados */
.logo img {
  height: 45px;
  width: auto;
  transition: opacity 0.2s ease;
}

.logo img:hover {
  opacity: 0.8;
}

/* Navegación optimizada */
.nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav ul li a {
  text-decoration: none;
  color: var(--color-texto);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
  font-size: 0.95rem;
}

.nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-amarillo);
  transition: width 0.3s ease;
}

.nav ul li a:hover {
  color: var(--color-azul-oscuro);
}

.nav ul li a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  font-size: 1.25rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-azul-oscuro);
  padding: 8px;
  border-radius: 4px;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--color-gris-claro);
}

/* Hero Section optimizada */
.hero {
  background: linear-gradient(135deg, rgba(0, 74, 173, 0.9), rgba(0, 159, 227, 0.8));
  background-size: cover;
  background-position: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-blanco);
  margin-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('./img/hero-background.jpeg');
  background-size: cover;
  background-position: center;
  opacity: 1; 
  z-index: -1; 
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1.25rem;
  line-height: 1.2;
  font-weight: 700;
}

.highlight {
  color: var(--color-amarillo);
  position: relative;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 0;
  width: 100%;
  height: 6px;
  background: rgba(255, 215, 0, 0.2);
  z-index: -1;
  border-radius: 3px;
}

.hero-content p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  margin-bottom: 2rem;
  opacity: 0.9;
  font-weight: 300;
  line-height: 1.6;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 2px;
  height: 18px;
  background: var(--color-amarillo);
  margin-top: 4px;
  position: relative;
}

.scroll-arrow::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: -3px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-amarillo);
  border-bottom: 2px solid var(--color-amarillo);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-8px) translateX(-50%);
  }
  60% {
    transform: translateY(-4px) translateX(-50%);
  }
}

/* Sección Nosotros optimizada */
.nosotros {
  padding: var(--section-spacing) 0;
  background-color: var(--color-gris-claro);
}

.nosotros-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.intro-text {
  font-size: 1.1rem;
  color: var(--color-texto);
  margin-bottom: 2rem;
  line-height: 1.7;
  font-weight: 400;
}

.mision-vision {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mv-item {
  background: var(--color-blanco);
  padding: 1.75rem;
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow-medium);
  border-left: 4px solid var(--color-amarillo);
  transition: var(--transition);
}

.mv-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.mv-header {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  gap: 1rem;
}

.mv-header i {
  font-size: 1.75rem;
  color: var(--color-amarillo);
}

.mv-header h3 {
  color: var(--color-azul-oscuro);
  font-size: 1.3rem;
  margin: 0;
  font-weight: 600;
}

.mv-item p {
  color: var(--color-texto-claro);
  line-height: 1.6;
}

.nosotros-image {
  position: relative;
}

.image-frame {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-heavy);
}

.image-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-azul-suave);
  opacity: 0.05;
  z-index: 1;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.image-frame:hover img {
  transform: scale(1.03);
}

/* ===== LÍNEAS TERAPÉUTICAS OPTIMIZADAS ===== */
.lineas-terapeuticas {
    padding: var(--section-spacing) 0;
    background-color: var(--color-blanco);
}

.categorias-container {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.categoria {
    background: var(--color-blanco);
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    padding: 1.75rem;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.categoria-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--color-amarillo);
}

.categoria-titulo {
    font-size: 1.5rem;
    color: var(--color-azul-oscuro);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
}

.categoria-icono {
    font-size: 1.75rem;
    color: var(--color-amarillo);
}

.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.producto-card {
    background: var(--color-blanco);
    border-radius: var(--border-radius-card);
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    will-change: transform;
}

.producto-card:hover,
.producto-card:focus {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--color-amarillo);
    outline: none;
}

.producto-imagen {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-gris-claro), var(--color-blanco));
    padding: 1rem;
    position: relative;
}

.producto-imagen img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    transition: var(--transition);
}

.producto-card:hover .producto-imagen img {
    transform: scale(1.05);
}

.producto-info {
    padding: 1.25rem;
    text-align: center;
}

.producto-nombre {
    font-size: 1.2rem;
    color: var(--color-azul-oscuro);
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.3;
}

.producto-descripcion {
    color: var(--color-texto-claro);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.producto-presentaciones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.presentacion {
    background: var(--color-gris-claro);
    color: var(--color-azul-oscuro);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.presentacion.destacada {
    background: var(--gradient-amarillo);
    color: var(--color-azul-oscuro);
    font-weight: 600;
}

.presentacion:hover {
    transform: scale(1.03);
}

/* ===== MODAL PRODUCTOS OPTIMIZADO ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background: var(--color-blanco);
    border-radius: 16px;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    box-shadow: var(--shadow-lift);
    transform: scale(0.9);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal.active .modal-content {
    transform: scale(1);
    opacity: 1;
}

.modal-imagen {
    background: linear-gradient(135deg, var(--color-gris-claro), var(--color-blanco));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-imagen img {
    max-width: 100%;
    max-height: 60vh;
    object-fit: contain;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
    transform: scale(0.95);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.1s;
}

.modal.active .modal-imagen img {
    transform: scale(1);
}

.modal-info {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-y: auto;
    max-height: 85vh;
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: var(--color-gris-claro);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    transform: scale(0.8) rotate(-90deg);
}

.modal.active .modal-close {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    transition-delay: 0.2s;
}

.modal-close:hover {
    background: var(--color-amarillo);
    transform: scale(1.05) rotate(90deg);
}

.modal-nombre {
    font-size: 2rem;
    color: var(--color-azul-oscuro);
    margin-bottom: 0.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.modal-tipo {
    font-size: 1rem;
    color: var(--color-azul-intermedio);
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-descripcion {
    color: var(--color-texto-claro);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.modal-presentaciones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.modal-presentacion {
    background: var(--gradient-azul);
    color: var(--color-blanco);
    padding: 0.6rem 1.25rem;
    border-radius: 20px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 74, 173, 0.25);
    font-size: 0.9rem;
}

.modal-beneficios {
    background: var(--color-gris-claro);
    padding: 1.25rem;
    border-radius: 12px;
    margin-top: 1rem;
}

.beneficios-titulo {
    color: var(--color-azul-oscuro);
    margin-bottom: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.beneficios-lista {
    list-style: none;
}

.beneficios-lista li {
    padding: 0.4rem 0;
    color: var(--color-texto-claro);
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
}

.beneficios-lista li::before {
    content: '✓';
    color: var(--color-amarillo);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Scroll personalizado para modal optimizado */
.modal-info::-webkit-scrollbar {
    width: 5px;
}

.modal-info::-webkit-scrollbar-track {
    background: var(--color-gris-claro);
    border-radius: 8px;
}

.modal-info::-webkit-scrollbar-thumb {
    background: var(--color-azul-intermedio);
    border-radius: 8px;
}

.modal-info::-webkit-scrollbar-thumb:hover {
    background: var(--color-azul-oscuro);
}

/* Sección Valores optimizada */
.valores {
  padding: var(--section-spacing) 0;
  background-color: var(--color-gris-claro);
}

.valores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.valor-card {
  background-color: var(--color-blanco);
  padding: 2rem 1.5rem;
  border-radius: var(--border-radius-card);
  text-align: center;
  box-shadow: var(--shadow-medium);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  will-change: transform;
}

.valor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-amarillo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.valor-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.valor-card:hover::before {
  transform: scaleX(1);
}

.valor-icon {
  font-size: 3rem;
  color: var(--color-azul-intermedio);
  margin-bottom: 1.25rem;
  transition: var(--transition);
  display: inline-block;
}

.valor-card:hover .valor-icon {
  transform: scale(1.05);
  color: var(--color-amarillo);
}

.valor-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--color-azul-oscuro);
  font-weight: 600;
  line-height: 1.3;
}

.valor-card p {
  color: var(--color-texto-claro);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Sección Contacto optimizada */
.contacto {
  padding: var(--section-spacing) 0;
  background-color: var(--color-blanco);
}

.contacto-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contacto-form {
  background-color: var(--color-blanco);
  padding: 2rem;
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow-medium);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-gris-medio);
  border-radius: 6px;
  font-family: 'Poppins', sans-serif;
  transition: var(--transition);
  background-color: var(--color-gris-claro);
  font-size: 0.95rem;
  line-height: 1.5;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-azul-intermedio);
  box-shadow: 0 0 0 2px rgba(0, 159, 227, 0.1);
  background-color: var(--color-blanco);
}

.error-message {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 4px;
  display: block;
  min-height: 1em;
}

.contacto-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--color-blanco);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.info-item:hover {
  transform: translateX(3px);
  border-color: var(--color-amarillo);
}

.info-icon {
  font-size: 1.5rem;
  color: var(--color-amarillo);
  margin-top: 2px;
  flex-shrink: 0;
}

.info-content h3 {
  color: var(--color-azul-oscuro);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.info-content p {
  color: var(--color-texto-claro);
  line-height: 1.5;
}

/* Footer optimizado */
.footer {
  background: linear-gradient(135deg, var(--color-azul-oscuro) 0%, var(--color-azul-intermedio) 100%);
  color: var(--color-blanco);
  padding: 3rem 0 1rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-amarillo);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h2,
.footer-section h3 {
  margin-bottom: 1rem;
  color: var(--color-amarillo);
  font-weight: 600;
}

.footer-section p {
  opacity: 0.9;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.footer-logo img {
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.footer-logo img:hover {
  opacity: 1;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: var(--color-blanco);
  text-decoration: none;
  transition: var(--transition);
  opacity: 0.9;
  font-size: 0.95rem;
}

.footer-section ul li a:hover {
  color: var(--color-amarillo);
  padding-left: 5px;
  opacity: 1;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  display: inline-flex;
  width: 38px;
  height: 38px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--color-blanco);
  transition: var(--transition);
  text-decoration: none;
}

.social-links a:hover {
  background-color: var(--color-amarillo);
  color: var(--color-azul-oscuro);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0.8;
  font-size: 0.9rem;
}

/* Animaciones optimizadas */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mejora de rendimiento para imágenes */
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* Focus visible para accesibilidad optimizado */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-amarillo);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Reduce motion para usuarios sensibles */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .hero-scroll-indicator {
    animation: none;
  }
}

/* ===== RESPONSIVE OPTIMIZADO ===== */

/* Tablet */
@media (max-width: 992px) {
  :root {
    --section-spacing: 3rem;
  }
  
  .nosotros-content,
  .contacto-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .modal-content {
    grid-template-columns: 1fr;
    max-height: 90vh;
  }
  
  .modal-imagen {
    padding: 1.5rem;
    max-height: 40vh;
  }
  
  .modal-imagen img {
    max-height: 35vh;
  }
  
  .modal-info {
    padding: 2rem;
  }
}

/* Mobile Large */
@media (max-width: 768px) {
  :root {
    --section-spacing: 2.5rem;
    --header-height: 65px;
  }
  
  .container {
    width: 95%;
    padding: 0 0.75rem;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-blanco);
    transition: left 0.3s ease;
    padding: 2rem;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
  }
  
  .nav.active {
    left: 0;
  }
  
  .nav ul {
    flex-direction: column;
    gap: 1.25rem;
  }
  
  .nav ul li {
    margin: 0;
  }
  
  .nav ul li a {
    font-size: 1.1rem;
    padding: 0.75rem 0;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .productos-grid,
  .valores-grid {
    grid-template-columns: 1fr;
  }
  
  .logo img {
    height: 40px;
  }
  
  .mv-header {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .mv-header i {
    margin-right: 0;
  }
  
  .categoria {
    padding: 1.5rem;
  }
  
  .categoria-titulo {
    font-size: 1.3rem;
  }
  
  .contacto-form {
    padding: 1.5rem;
  }
  
  .info-item {
    padding: 1rem;
  }
}

/* Mobile Small */
@media (max-width: 480px) {
  :root {
    --section-spacing: 2rem;
  }
  
  .container {
    width: 100%;
    padding: 0 1rem;
  }
  
  .hero-content h1 {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
    min-height: 44px;
  }
  
  .producto-presentaciones {
    flex-direction: column;
    align-items: center;
  }
  
  .modal-content {
    width: 95%;
    border-radius: 12px;
  }
  
  .modal-info {
    padding: 1.5rem;
  }
  
  .modal-nombre {
    font-size: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero {
    background: linear-gradient(135deg, rgba(0, 74, 173, 0.92), rgba(0, 159, 227, 0.85));
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .hero-scroll-indicator,
  .menu-toggle {
    display: none !important;
  }
  
  .hero {
    background: none !important;
    color: #000 !important;
    min-height: auto;
    margin-top: 0;
  }
  
  .section-title::after {
    background: #000 !important;
  }
  
  .btn {
    background: #000 !important;
    color: #fff !important;
    box-shadow: none !important;
  }
}

/* ===== OPTIMIZACIÓN ESPECÍFICA PARA MODAL EN MÓVILES ===== */
@media (max-width: 768px) {
  .modal {
    padding: 0;
    align-items: flex-end;
    background: rgba(0, 0, 0, 0);
    transition: background-color 0.3s ease;
  }
  
  .modal.active {
    background: rgba(0, 0, 0, 0.7);
  }
  
  .modal-content {
    width: 100%;
    max-width: 100%;
    max-height: 90vh;
    border-radius: 20px 20px 0 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  
  .modal.active .modal-content {
    transform: translateY(0);
  }
  
  .modal-imagen {
    padding: 1.5rem;
    max-height: 200px;
    min-height: 150px;
    order: 1;
    background: linear-gradient(135deg, var(--color-gris-claro), var(--color-blanco));
  }
  
  .modal-imagen img {
    max-height: 120px;
    max-width: 80%;
    transform: scale(0.9);
    transition: transform 0.3s ease 0.1s;
  }
  
  .modal.active .modal-imagen img {
    transform: scale(1);
  }
  
  .modal-info {
    padding: 1.5rem;
    order: 2;
    max-height: calc(90vh - 200px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    position: relative;
  }
  
  .modal-close {
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    width: 32px;
    height: 32px;
    font-size: 1rem;
    border: 2px solid white;
  }
  
  .modal-close:hover {
    background: var(--color-error);
    transform: scale(1.05) rotate(90deg);
  }
  
  .modal-nombre {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    padding-right: 40px;
    line-height: 1.3;
  }
  
  .modal-tipo {
    font-size: 0.85rem;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
  }
  
  .modal-descripcion {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
  }
  
  .modal-presentaciones {
    gap: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .modal-presentacion {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
  
  .modal-beneficios {
    padding: 1rem;
    margin-top: 0.5rem;
  }
  
  .beneficios-titulo {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  
  .beneficios-lista li {
    font-size: 0.85rem;
    padding: 0.3rem 0;
    padding-left: 1.25rem;
    line-height: 1.4;
  }
}

/* Mejoras adicionales para móviles muy pequeños */
@media (max-width: 360px) {
  .modal-info {
    padding: 1.25rem;
  }
  
  .modal-nombre {
    font-size: 1.3rem;
  }
  
  .modal-imagen {
    max-height: 180px;
    padding: 1rem;
  }
  
  .modal-imagen img {
    max-height: 100px;
  }
  
  .modal-beneficios {
    padding: 0.75rem;
  }
}