/* Mejoras de UI y Accesibilidad */
:root {
  /* Reset básico */
  --margin: 0;
  --padding: 0;
  --box-sizing: border-box;

  /* Colores */
  --primary-color: #25D366;
  --primary-dark: #128C7E;
  --secondary-color: #4CAF50;
  --text-color: #212529;
  --background-color: #f5f5f5;
  --disabled-text: #6c757d;
  --success-color: #28a745;

  /* Tipografía */
  --font-family: 'Arial', sans-serif;
  --font-size: 16px;
  --line-height: 1.6;

  /* Espaciado */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Transiciones */
  --transition-base: 0.3s ease-in-out;

  /* Sombras */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Bordes */
  --border-color: #dee2e6;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-circle: 50%;

  /* Estados */
  --hover-bg: rgba(37, 211, 102, 0.1);
  --focus-ring: 2px solid rgba(37, 211, 102, 0.2);
  --disabled-bg: rgba(0, 123, 255, 0.05);

  /* Formularios */
  --surface: white;

  /* WhatsApp */
  --whatsapp-color: #25D366;
  --whatsapp-hover: #128C7E;

  /* Mejoras de UI */
  --enhance-bg: #ffffff;
  --enhance-text: #212529;
  --enhance-border: #dee2e6;
  --enhance-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --enhance-radius: 8px;
  --enhance-padding: 16px;
  --enhance-spacing: 8px;
  --enhance-font-size: 14px;
  --enhance-line-height: 1.5;
  --enhance-transition: 0.3s ease-in-out;
  --enhance-hover-bg: rgba(0, 123, 255, 0.05);
  --enhance-active-bg: rgba(0, 123, 255, 0.1);
  --enhance-focus-ring: 0 0 0 2px #007bff;
  --enhance-icon-size: 20px;
  --enhance-icon-spacing: 8px;
  --enhance-card-width: 280px;
  --enhance-card-max-width: 360px;
  --enhance-card-min-height: 180px;
  --enhance-card-padding: 16px;
  --enhance-card-border: 1px solid var(--enhance-border);
  --enhance-card-shadow: var(--enhance-shadow);
  --enhance-card-radius: var(--enhance-radius);
  --enhance-card-hover-bg: var(--enhance-hover-bg);
  --enhance-card-hover-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --enhance-card-active-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --enhance-card-disabled-shadow: none;
  --enhance-card-focus-ring: 0 0 0 2px #007bff;
  --enhance-card-title-size: 1.1rem;
  --enhance-card-title-weight: 500;
  --enhance-card-title-color: var(--enhance-text);
  --enhance-card-text-color: var(--enhance-text);
  --enhance-card-link-color: #007bff;
  --enhance-card-link-hover-color: #0056b3;
}

/* Reset básico */
* {
  margin: var(--margin);
  padding: var(--padding);
  box-sizing: var(--box-sizing);
}

/* Body y texto */
body {
  font-family: var(--font-family);
  line-height: var(--line-height);
  font-size: var(--font-size);
  color: var(--text-color);
  background-color: var(--background-color);
}

/* Enlaces más accesibles */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Formularios mejorados */
input,
textarea {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  transition: border-color var(--transition-base);
  background-color: var(--surface);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--hover-bg);
}

/* Mejoras de accesibilidad */
button,
[role="button"] {
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: background-color var(--transition-base);
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: var(--line-height);
}

button:hover,
[role="button"]:hover {
  background-color: var(--primary-dark);
}

button:focus,
[role="button"]:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--focus-ring);
}

button:disabled,
[role="button"]:disabled {
  background-color: var(--disabled-bg);
  color: var(--disabled-text);
  cursor: not-allowed;
}

/* WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background-color: var(--whatsapp-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-base);
  z-index: 1000;
}

.whatsapp-float:hover {
  background-color: var(--whatsapp-hover);
}

.whatsapp-float img {
  width: 24px;
  height: 24px;
}

/* Lazy Loading Images */
.lazyload {
  opacity: 0;
  transition: opacity var(--transition-base);
}

.lazyload.loaded {
  opacity: 1;
}

/* FAQ Toggle */
.faq-item {
  background: white;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base);
}

.faq-item:hover {
  transform: translateY(-5px);
}

.faq-question {
  padding: var(--spacing-lg);
  background: var(--surface);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--primary-text);
  font-weight: 600;
}

.faq-answer {
  padding: var(--spacing-lg);
  display: none;
  color: var(--secondary-text);
  line-height: var(--line-height);
}

.faq-item.active .faq-answer {
  display: block;
}

/* Chat Widget */
.chat-button {
  position: fixed;
  bottom: var(--spacing-xl);
  left: var(--spacing-xl);
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: background-color var(--transition-base);
  z-index: 1000;
}

.chat-button:hover {
  background-color: var(--primary-dark);
}

.chat-button img {
  width: 24px;
  height: 24px;
}

/* Notification Badge */
.notification-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--error-color);
  color: white;
  border-radius: 50%;
  padding: 4px 8px;
  font-size: 0.8rem;
  font-weight: bold;
}
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-base);
  z-index: 1000;
}

.chat-button:hover {
  transform: scale(1.1);
}

.chat-widget {
  position: fixed;
  bottom: var(--spacing-xl);
  left: var(--spacing-xl);
  width: 320px;
  background: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  display: none;
  z-index: 1000;
}

.chat-widget.active {
  display: block;
}

/* Notification Badge */
.notification-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--error-color);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
}  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
}  border-radius: var(--border-radius-circle);
  padding: 4px 8px;
  font-size: 0.8rem;
  font-weight: bold;
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .chat-widget {
    width: 100%;
    left: 0;
    border-radius: 0;
  }
}
  cursor: pointer;
  background-color: transparent;
  border: none;
  padding: var(--spacing-md);
  transition: var(--transition-fast);
}

button:hover,
[role="button"]:hover {
  background-color: var(--hover-bg);
}

button:disabled,
[role="button"]:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* Botón de WhatsApp mejorado */
.whatsapp-float {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 1000;
  background: var(--whatsapp-color);
  color: white;
  border-radius: var(--border-radius-circle);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
  background-color: var(--whatsapp-hover);
  transform: scale(1.1);
}

/* Lazy loading para imágenes */
img.lazyload {
  opacity: 0;
  transition: opacity var(--transition-fast);
}

img.lazyload.loaded {
  opacity: 1;
}

/* FAQ mejorado */
.faq-container {
  margin: var(--spacing-xl) 0;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-question {
  background: var(--surface);
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-fast);
}

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

.faq-answer {
  padding: var(--spacing-md);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-fast);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* Chat en vivo */
.chat-widget {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 1000;
  background: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  width: 320px;
  display: none;
}

.chat-widget.active {
  display: block;
}

/* Notificaciones push */
.notification-badge {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  background: var(--success-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
}

/* Loading spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Notificaciones push */
.notification-badge {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  background: var(--success-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
}

/* Loading spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}