:root {
  --pt-duration-in: 240ms;
  --pt-duration-out: 180ms;
  --pt-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pt-bar-height: 2px;
  --pt-bar-color: linear-gradient(90deg, #3b82f6 0%, #60a5fa 45%, #22d3ee 100%);
}

html {
  background: #050508;
}

body {
  opacity: 1;
  transition: opacity var(--pt-duration-in) var(--pt-ease);
  will-change: opacity;
}

body.page-transitioning {
  opacity: 0.65;
}

@media (prefers-reduced-motion: reduce) {
  body {
    transition: none !important;
  }

  body.page-transitioning {
    opacity: 1;
  }
}

.page-top-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--pt-bar-height);
  z-index: 99999;
  pointer-events: none;
}

.page-top-loader__bar {
  width: 0%;
  height: 100%;
  transform-origin: left center;
  background: var(--pt-bar-color);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.45);
  transition: width 160ms linear, opacity 220ms ease;
  opacity: 0;
  will-change: width, opacity;
}

.page-top-loader.active .page-top-loader__bar {
  opacity: 1;
}