/*
 * Balhence motion layer
 *
 * Loaded after styles.css and progressively enabled by motion.js. The system is
 * decorative: content, controls, and navigation remain complete without it.
 *
 * Optional hooks:
 *   data-motion-stagger       stagger the element's direct children
 *   data-motion-reveal        reveal an individual element once
 *   data-motion-card          opt an element into pointer-aware border light
 *   data-motion-depth         opt an element into restrained pointer depth
 *   data-motion="none"        disable automatic motion within a subtree
 */

.motion-progress {
  position: fixed;
  z-index: 1200;
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(155, 140, 255, 0.34);
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.motion-capable .site-header {
  transition:
    background 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 300ms var(--ease);
}

.motion-capable .site-header.is-scrolled {
  box-shadow: 0 12px 40px rgba(8, 13, 31, 0.12);
}

.motion-capable .brand-mark {
  transition: transform 320ms var(--ease), box-shadow 320ms var(--ease);
}

.motion-capable .brand:hover .brand-mark,
.motion-capable .brand:focus-visible .brand-mark {
  box-shadow: 0 8px 24px rgba(155, 140, 255, 0.2);
  transform: rotate(-4deg) scale(1.045);
}

/* The spotlight stays inside the already-clipped hero; it cannot cover controls. */
.motion-capable .hero::after {
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    radial-gradient(
      520px circle at var(--motion-hero-x, 82%) var(--motion-hero-y, 18%),
      rgba(155, 140, 255, 0.11),
      rgba(94, 234, 212, 0.045) 32%,
      transparent 68%
    );
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease;
}

.motion-capable .hero.is-motion-hovered::after {
  opacity: 1;
}

.motion-capable .hero::before {
  transform: translate3d(0, var(--motion-hero-shift, 0), 0) scale(1.015);
  transform-origin: center top;
  will-change: transform;
}

.motion-capable .hero-grid {
  z-index: 1;
}

/* Existing reveal hooks get a calmer, spatially coherent stagger. */
.motion-capable [data-reveal].motion-stagger-item {
  transition: none;
}

.motion-capable [data-reveal].motion-stagger-item.is-visible,
.motion-capable [data-motion-reveal].is-motion-visible {
  animation: motion-item-in 760ms var(--ease) var(--motion-delay, 0ms) backwards;
}

.motion-capable [data-motion-reveal] {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
}

.motion-capable [data-motion-reveal].is-motion-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@keyframes motion-item-in {
  from {
    opacity: 0;
    filter: blur(5px);
    transform: translate3d(0, 22px, 0) scale(0.992);
  }

  to {
    opacity: 1;
    filter: blur(0);
    transform: translate3d(0, 0, 0) scale(1);
  }
}

/* Pointer-aware effects are limited to devices that can actually hover. */
@media (hover: hover) and (pointer: fine) {
  .motion-capable .motion-card {
    position: relative;
    overflow: clip;
    isolation: isolate;
  }

  .motion-capable .motion-card::after {
    position: absolute;
    z-index: 4;
    inset: 0;
    padding: 1px;
    background: radial-gradient(
      190px circle at var(--motion-card-x, 50%) var(--motion-card-y, 50%),
      rgba(155, 140, 255, 0.82),
      rgba(94, 234, 212, 0.28) 38%,
      transparent 72%
    );
    border-radius: inherit;
    content: "";
    opacity: 0;
    pointer-events: none;
    transition: opacity 260ms ease;
    -webkit-mask:
      linear-gradient(#000 0 0) content-box,
      linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask:
      linear-gradient(#000 0 0) content-box,
      linear-gradient(#000 0 0);
    mask-composite: exclude;
  }

  .motion-capable .motion-card.is-motion-active::after,
  .motion-capable .motion-card:focus-within::after {
    opacity: 1;
  }

  .motion-capable .motion-depth .finding-inner,
  .motion-capable .finding-window.motion-depth .finding-inner {
    transform:
      perspective(1100px)
      rotateX(var(--motion-depth-x, 0deg))
      rotateY(var(--motion-depth-y, 0deg))
      translate3d(var(--motion-depth-shift-x, 0), var(--motion-depth-shift-y, 0), 0);
    transform-style: preserve-3d;
    transition: transform 320ms var(--ease);
  }

  .motion-capable .report-stack.motion-depth .report-page.front {
    transform:
      perspective(1200px)
      rotateX(var(--motion-depth-x, 0deg))
      rotateY(var(--motion-depth-y, 0deg))
      translate3d(var(--motion-depth-shift-x, 0), var(--motion-depth-shift-y, 0), 0);
    transform-origin: center center;
    transition: transform 320ms var(--ease), box-shadow 320ms ease;
  }

  .motion-capable .motion-depth.is-motion-active .finding-inner,
  .motion-capable .report-stack.motion-depth.is-motion-active .report-page.front {
    transition-duration: 90ms;
    will-change: transform;
  }

  .motion-capable .report-stack.motion-depth.is-motion-active .report-page.front {
    box-shadow: 0 32px 90px rgba(8, 13, 31, 0.2);
  }

}

.motion-paused [data-reveal],
.motion-paused [data-motion-reveal] {
  animation-play-state: paused !important;
}

@media (prefers-reduced-motion: reduce), (update: slow) {
  .motion-progress,
  .motion-capable .hero::after,
  .motion-capable .motion-card::after {
    display: none !important;
  }

  .motion-capable .brand:hover .brand-mark,
  .motion-capable .brand:focus-visible .brand-mark,
  .motion-capable .hero::before,
  .motion-capable .motion-depth .finding-inner,
  .motion-capable .report-stack.motion-depth .report-page.front {
    transform: none !important;
  }

  .motion-capable [data-reveal].motion-stagger-item,
  .motion-capable [data-reveal].motion-stagger-item.is-visible,
  .motion-capable [data-motion-reveal],
  .motion-capable [data-motion-reveal].is-motion-visible {
    animation: none !important;
    filter: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

@media print {
  .motion-progress {
    display: none !important;
  }

  .motion-capable [data-motion-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}