/* Entrance choreography, route transitions and the reduced-motion contract. */

.view {
  transition: opacity var(--dur-1) var(--ease);
}

.view.is-leaving {
  opacity: 0;
}

::view-transition-old(root) {
  animation: fade-out 120ms var(--ease) both;
}

::view-transition-new(root) {
  animation: fade-in 260ms var(--ease) both;
}

@keyframes fade-out {
  to {
    opacity: 0;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-4) var(--ease), transform var(--dur-4) var(--ease-emph);
}

.reveal.is-revealed {
  opacity: 1;
  transform: none;
}

.stagger > * {
  animation: item-enter 420ms var(--ease-emph) both;
  animation-delay: calc(var(--i, 0) * 32ms);
}

@keyframes item-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* Artwork tilt (pointer-driven, desktop only) */
.tilt {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --pointer-x: 50%;
  --pointer-y: 50%;
  display: block;
  transform: perspective(760px) rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transition: transform var(--dur-3) var(--ease-emph);
}

.tilt.is-tilting {
  transition: transform 60ms linear;
  will-change: transform;
}

.tilt-glare {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--pointer-x) var(--pointer-y),
    rgba(255, 255, 255, 0.5),
    rgba(255, 255, 255, 0.06) 28%,
    transparent 58%
  );
  mix-blend-mode: screen;
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease);
}

.tilt.is-tilting .tilt-glare {
  opacity: 1;
}

@media (hover: none), (pointer: coarse) {
  .tilt {
    transform: none !important;
    transition: none !important;
  }

  .tilt-glare {
    display: none;
  }

  /* Touch targets stay comfortable without hover affordances. */
  .row {
    min-height: 60px;
  }

  .card-fab {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .tilt {
    transform: none !important;
  }

  .tilt-glare {
    display: none;
  }

  .eq-bars span {
    animation: none;
    transform: scaleY(0.6);
  }

  .progress-fill {
    animation: none;
  }
}