/* Botones centrales personalizados para Categorías y Estilo de Lenguaje */
.central-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin: 2.5rem 0 2.5rem 0;
}

.custom-center-btn {
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-accent) 100%);
  color: #fff;
  border: none;
  border-radius: var(--border-radius-lg);
  padding: 1rem 2.2rem;
  font-size: 1.25rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.10);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  outline: none;
}
.custom-center-btn i {
  font-size: 1.5rem;
}
.custom-center-btn:hover, .custom-center-btn:focus {
  background: linear-gradient(90deg, var(--color-accent) 40%, var(--color-primary-dark) 100%);
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--color-accent-rgb), 0.15);
  color: #fff;
}
@media (max-width: 600px) {
  .central-buttons {
    flex-direction: column;
    gap: 1.3rem;
    margin: 1.5rem 0;
  }
  .custom-center-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Highlight visual al navegar con los botones centrales */
.section-highlight {
  animation: sectionHighlightFade 0.9s;
  box-shadow: 0 0 0 5px var(--color-accent);
  z-index: 2;
  position: relative;
}
@keyframes sectionHighlightFade {
  0% {
    box-shadow: 0 0 0 8px var(--color-accent);
  }
  80% {
    box-shadow: 0 0 0 5px var(--color-accent);
  }
  100% {
    box-shadow: none;
  }
}

/* Animación de botón compartir - Pulso de escala */
@keyframes pulseScale {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

.share-btn {
  animation: pulseScale 1.5s ease-in-out infinite !important;
  transform-origin: center !important;
}

/* Forzar eliminación de otras transformaciones */
.share-btn:hover,
.share-btn:focus,
.share-btn:active {
  animation: pulseScale 1.5s ease-in-out infinite !important;
}