.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--dur-slow) var(--ease-out) var(--delay, 0ms),
    transform var(--dur-slow) var(--ease-out) var(--delay, 0ms),
    clip-path var(--dur-slow) var(--ease-out) var(--delay, 0ms);
  will-change: opacity, transform;
}
.js [data-reveal="left"]  { transform: translateX(-36px); }
.js [data-reveal="right"] { transform: translateX(36px); }
.js [data-reveal="scale"] { transform: scale(.94); }
.js [data-reveal="fade"]  { transform: none; }
.js [data-reveal="clip"]  { transform: none; clip-path: inset(0 0 100% 0); }
.js [data-reveal="mask"]  { transform: translateY(100%); }

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 0 0);
  will-change: auto;
}

/* Overflow wrapper for mask reveals (text lines, images) */
.reveal-mask { overflow: hidden; display: block; }

/* --------------------------------------------------------------------------
   Hero line reveal (split by JS into .line > span)
   -------------------------------------------------------------------------- */
/* Padding gives long descenders (g, y, j) room inside the overflow-clip;
   the negative margin keeps the visual line rhythm unchanged. */
.line { display: block; overflow: hidden; padding: 0.08em 0.12em 0.24em; margin: 0 -0.12em -0.24em; }
.line > span {
  display: block;
  transform: translateY(120%);
  transition: transform 1s var(--ease-out) var(--line-delay, 0ms);
}
.is-revealed .line > span,
.line.is-revealed > span { transform: translateY(0); }

/* --------------------------------------------------------------------------
   Page enter / exit transition
   -------------------------------------------------------------------------- */
.page-veil {
  position: fixed;
  inset: 0;
  z-index: var(--z-veil);
  background: var(--bg);
  pointer-events: none;
  opacity: 0;
  transition: opacity 460ms var(--ease);
}
body.is-leaving .page-veil { opacity: 1; transition-duration: 320ms; }

/* fill-mode `backwards` (not `both`) so no identity transform lingers on
   <main> after the animation, a lingering transform promotes a layer that
   can clip small hover lifts by a pixel and interfere with sticky children. */
main { animation: page-in 620ms var(--ease-out) backwards; }
@keyframes page-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   Small motion primitives
   -------------------------------------------------------------------------- */
.hover-lift { transition: transform var(--dur) var(--ease-out); }
.hover-lift:hover { transform: translateY(-4px); }

.float { animation: float 7s var(--ease-in-out) infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

.spin-slow { animation: spin 22s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Scroll cue */
.scroll-cue {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-mono); font-size: var(--fs-xs);
  letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted);
}
.scroll-cue__line {
  width: 1px; height: 42px; background: var(--line-strong);
  position: relative; overflow: hidden;
}
.scroll-cue__line::after {
  content: ""; position: absolute; inset: 0;
  background: var(--accent);
  animation: cue 2.2s var(--ease-in-out) infinite;
}
@keyframes cue {
  0%   { transform: translateY(-100%); }
  60%  { transform: translateY(100%); }
  100% { transform: translateY(100%); }
}

/* Reading progress bar */
.progress-bar {
  position: fixed;
  top: var(--header-h);
  left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  z-index: calc(var(--z-header) - 1);
}

/* Cursor-follow spotlight (opt-in, subtle) */
.spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  background: radial-gradient(180px circle at var(--mx, 50%) var(--my, 50%),
              color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%);
}
.has-spotlight:hover .spotlight { opacity: 1; }

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .line > span { transform: none !important; }
  .marquee__track { animation: none; }
}