/* ==========================================================================
   ANIMATIONS — split text masks, page curtain, loops, reduced motion
   ========================================================================== */

/* Split text: each word sits in a clipping mask. */
.w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding-block: 0.06em 0.1em;
  margin-block: -0.06em -0.1em;
}
.serif .w, em .w { padding-right: 0.1em; margin-right: -0.1em; }
.wi { display: inline-block; will-change: transform; transform-origin: 0 100%; }

/* Lenis */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

/* ---- Page transition curtain (pseudo-element: no extra DOM) ----------- */
html::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--c-black);
  pointer-events: none;
  transform: scaleY(0);
  transform-origin: 50% 100%;
}
html.pt-exit::after {
  transform: scaleY(1);
  transition: transform 460ms var(--ease-in-out);
}
html.pt-enter::after { transform: scaleY(1); transform-origin: 50% 0%; }
html.pt-enter.pt-reveal::after {
  transform: scaleY(0);
  transition: transform 800ms var(--ease-in-out) 60ms;
}

/* Scroll indicator line */
.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.scroll-cue__line {
  position: relative;
  width: 1px;
  height: 48px;
  overflow: hidden;
  background: var(--line);
}
.scroll-cue__line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform: translateY(-100%);
  animation: cue 2.2s var(--ease-in-out) infinite;
}
@keyframes cue {
  0% { transform: translateY(-100%); }
  50% { transform: translateY(0); }
  100% { transform: translateY(100%); }
}

/* Gentle drift for the final-scene light */
@keyframes drift {
  0%, 100% { transform: translate3d(-4%, -2%, 0) scale(1); }
  50% { transform: translate3d(4%, 3%, 0) scale(1.08); }
}

/* ---- Reduced motion ---------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  html::after { display: none; }
  .hotspot::before { display: none; }
}
html.no-motion .hotspot::before { display: none; }