/* Animaciones de entrada/salida globales */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}
.fade-in.in-view {
  opacity: 1;
  transform: scale(1);
}



/* Efecto hover flotante en tarjetas */
.service-card,
.disease-card,
.symptom-card,
.testimonial-card {
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}
.service-card:hover,
.disease-card:hover,
.symptom-card:hover,
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

/* Blob flotante decorativo */
@keyframes floatBlob {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-18px) rotate(4deg);
  }
}

/* Pulso sutil para botones CTA */
@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
  }
}
.btn-whatsapp {
  animation: pulse 2.5s infinite;
}

/* Barra de progreso de scroll */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--sky), var(--green));
  z-index: 9999;
  transition: width 0.1s linear;
}