/* Animations and Transitions */

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Slide In */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* Pulse */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Gradient Animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-animated {
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

/* Waveform Animation */
@keyframes wave {
  0%, 100% {
    transform: scaleY(1);
  }
  50% {
    transform: scaleY(1.5);
  }
}

.waveform-bar {
  animation: wave 1.5s ease-in-out infinite;
}

.waveform-bar:nth-child(2) {
  animation-delay: 0.1s;
}

.waveform-bar:nth-child(3) {
  animation-delay: 0.2s;
}

.waveform-bar:nth-child(4) {
  animation-delay: 0.3s;
}

.waveform-bar:nth-child(5) {
  animation-delay: 0.4s;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered reveal for flow sections */
.services-flow .service-card.reveal.active {
  transition-delay: calc(var(--stagger, 0) * 0.08s);
}

.services-flow .service-card:nth-child(1) { --stagger: 0; }
.services-flow .service-card:nth-child(2) { --stagger: 1; }
.services-flow .service-card:nth-child(3) { --stagger: 2; }
.services-flow .service-card:nth-child(4) { --stagger: 3; }

/* Hover Effects */
.hover-lift {
  transition: transform 0.3s ease;
}

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

/* Loading Spinner */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--gradient-blue);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}