/* ==========================================================================
   Keyframe Animations & Scroll Reveal Utilities
   ========================================================================== */

/* Keyframe Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulseDot {
  0%   { transform: scale(0.95); opacity: 0.7; }
  70%  { transform: scale(1.15); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}
  70% {
    transform: scale(1);
    outline: 8px solid rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    outline: 0px solid rgba(16, 185, 129, 0);
  }
}

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

/* Scroll Reveal Classes (Driven by IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active,
.reveal-left.active,
.reveal-right.active,
.reveal-scale.active {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger Delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Continuous Animation Utilities */
.floating-element {
  animation: float 4s ease-in-out infinite;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  animation: pulseDot 2s infinite;
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s linear infinite;
}