body::-webkit-scrollbar {
  width: 8px;
}

body::-webkit-scrollbar-track {
  background: #f1f1f1;
}

body::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

body::-webkit-scrollbar-thumb:hover {
  background: #aaa;
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Particle Canvas Container */
#assistant-section {
  position: relative;
}

#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Smooth transitions for feature images */
.feature-img-container {
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Capital Animation Classes */
.capital-card-content {
  transition: all 0.5s ease;
}

.popup-alert {
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.popup-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.btn-morph {
  transition: all 0.3s ease;
}

/* Scroll to Top Button */
#scroll-top-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1rem;
  z-index: 45;
  display: flex;
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  visibility: hidden;
}

#scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
}

#scroll-top-btn:hover {
  transform: translateY(0) scale(1.08);
}

#scroll-top-btn:active {
  transform: translateY(0) scale(0.95);
}

@media (min-width: 640px) {
  #scroll-top-btn {
    right: 1.5rem;
    bottom: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  #scroll-top-btn,
  #scroll-top-btn:hover,
  #scroll-top-btn:active {
    transition: none;
  }
}

/* Floating Back Button */
#floating-back-btn {
  position: fixed;
  bottom: 1.5rem;
  left: 1rem;
  z-index: 45;
  display: flex;
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  visibility: hidden;
}

#floating-back-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
}

#floating-back-btn:hover {
  transform: translateY(0) scale(1.04);
}

#floating-back-btn:active {
  transform: translateY(0) scale(0.97);
}

@media (min-width: 640px) {
  #floating-back-btn {
    bottom: auto;
    top: 5.5rem;
    left: 1.5rem;
    transform: translateX(-0.75rem);
  }
  #floating-back-btn.visible {
    transform: translateX(0);
  }
  #floating-back-btn:hover {
    transform: translateX(0) scale(1.04);
  }
  #floating-back-btn:active {
    transform: translateX(0) scale(0.97);
  }
}

@media (prefers-reduced-motion: reduce) {
  #floating-back-btn,
  #floating-back-btn:hover,
  #floating-back-btn:active {
    transition: none;
  }
}