/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Hide scrollbar */
::-webkit-scrollbar {
  display: none;
}

body {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Scroll animations - Fluid matching SolveHub */
.section {
  opacity: 0;
  transform: translateY(40px);
  transition: none;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Staggered reveals for child elements */
.stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: none;
}

.section.visible .stagger-item {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }

/* Chart containers */
#funnelChart,
#sankeyChart {
  height: 500px;
}

/* Form success message */
.form-success {
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  #funnelChart,
  #sankeyChart {
    height: 300px;
  }
}