/* Tech page transition — Design.md charcoal/white, no pink/neon */
.pd-page-loader {
  position: fixed;
  inset: 0;
  z-index: 100000;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.pd-page-loader.is-on {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.pd-page-loader__veil {
  position: absolute;
  inset: 0;
  background: rgba(249, 250, 251, 0.72);
  backdrop-filter: blur(1px);
}

.pd-page-loader__bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: #111827;
  box-shadow: none;
  transform-origin: left center;
  transition: width 0s;
}

.pd-page-loader.is-on .pd-page-loader__bar {
  animation: pd-loader-bar 900ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.pd-page-loader__mark {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28px;
  height: 28px;
  margin: -14px 0 0 -14px;
  border: 1.5px solid #E5E7EB;
  border-top-color: #111827;
  border-radius: 50%;
  background: #FFFFFF;
  animation: pd-loader-spin 700ms linear infinite;
}

@keyframes pd-loader-bar {
  0% { width: 0; }
  20% { width: 28%; }
  55% { width: 68%; }
  85% { width: 88%; }
  100% { width: 96%; }
}

@keyframes pd-loader-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .pd-page-loader__bar {
    animation: none !important;
    width: 70% !important;
  }
  .pd-page-loader__mark {
    animation: none !important;
  }
  .pd-page-loader {
    transition: none !important;
  }
}