/* Shared motion layer: all effects are progressive enhancements. */
html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

[data-lenis-prevent],
.publication-reader,
.c2-publication-reader,
.archive-sphere,
.story-atlas__viewport {
  overscroll-behavior: contain;
}

.motion-vanta {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: .34;
  mix-blend-mode: multiply;
  -webkit-mask-image: radial-gradient(circle at 50% 48%, #000 0 32%, rgba(0,0,0,.72) 58%, transparent 88%);
  mask-image: radial-gradient(circle at 50% 48%, #000 0 32%, rgba(0,0,0,.72) 58%, transparent 88%);
}

.motion-vanta canvas {
  display: block !important;
}

.motion-chromatic {
  transition: color 160ms ease, opacity 160ms ease;
}

.motion-chromatic:hover,
.motion-chromatic:focus-visible,
.concept-note--link:hover strong,
.concept-note--link:focus-visible strong {
  text-shadow: none;
}

.motion-spark {
  --spark-angle: 0deg;
  position: fixed;
  z-index: 240;
  width: 2px;
  height: 13px;
  pointer-events: none;
  background: var(--spark-colour, #171716);
  transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(-7px) scaleY(0);
  transform-origin: 50% 100%;
  animation: motion-spark-out 520ms cubic-bezier(.2,.8,.2,1) forwards;
}

.entry-handoff {
  position: fixed;
  z-index: 500;
  overflow: hidden;
  margin: 0;
  pointer-events: none;
  border: 1px solid rgba(23, 23, 22, .4);
  background: #e7e3da;
  box-shadow: 0 20px 56px rgba(23, 23, 22, .2);
  transform-origin: center;
}

.entry-handoff::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .055;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.62'/%3E%3C/svg%3E");
}

.entry-handoff img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.entry-handoff--photograph img { filter: grayscale(.08) contrast(1.02); }

@keyframes motion-spark-out {
  28% {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(-13px) scaleY(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(-27px) scaleY(.2);
  }
}

@media (max-width: 640px) {
  .motion-vanta { opacity: .22; }
}

@media (prefers-reduced-motion: reduce) {
  html,
  body {
    scroll-behavior: auto !important;
  }

  .motion-vanta,
  .motion-spark {
    display: none !important;
  }

  .motion-chromatic {
    text-shadow: none !important;
  }
}