/* ============================================================
   ANIMATIONS — reveal system, page transitions, keyframes
   ============================================================ */

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-4) var(--ease-emph),
              transform var(--dur-4) var(--ease-emph);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal="fade"]   { transform: none; }
[data-reveal="left"]   { transform: translateX(-32px); }
[data-reveal="right"]  { transform: translateX(32px); }
[data-reveal="scale"]  { transform: scale(0.94); }
[data-reveal].is-revealed { opacity: 1; transform: none; }

/* Stagger children */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--dur-3) var(--ease-emph),
              transform var(--dur-3) var(--ease-emph);
}
[data-stagger].is-revealed > * { opacity: 1; transform: none; }

/* Split-text line reveal */
.reveal-line { display: block; overflow: hidden; }
.reveal-line > span {
  display: block;
  transform: translateY(110%);
  transition: transform var(--dur-4) var(--ease-emph);
  transition-delay: var(--line-delay, 0ms);
}
.is-revealed .reveal-line > span,
.reveal-line.is-revealed > span { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-stagger] > *, .reveal-line > span {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Admin "animations off" toggle */
html.no-anim [data-reveal],
html.no-anim [data-stagger] > *,
html.no-anim .reveal-line > span {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}
html.no-anim .marquee__track,
html.no-anim .radar__sweep,
html.no-anim .hero__caret,
html.no-anim .status-card__dot,
html.no-anim .bg-scene__orb { animation: none !important; }

/* ---------- View (page) transitions ---------- */
.view {
  animation: view-in var(--dur-4) var(--ease-emph) both;
}
.view.is-leaving {
  animation: view-out var(--dur-2) var(--ease-out) both;
}
@keyframes view-in {
  from { opacity: 0; transform: translateY(16px) scale(0.995); }
  to   { opacity: 1; transform: none; }
}
@keyframes view-out {
  from { opacity: 1; transform: none; }
  to   { opacity: 0; transform: translateY(-10px) scale(0.995); }
}
@media (prefers-reduced-motion: reduce) {
  .view, .view.is-leaving { animation: none; }
}

/* Curtain wipe used between work → company → project */
.curtain {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--bg-deep);
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}
.curtain.is-in { animation: curtain-in 420ms var(--ease-emph) forwards; }
.curtain.is-out { animation: curtain-out 420ms var(--ease-emph) forwards; }
@keyframes curtain-in  { from { transform: scaleY(0); transform-origin: bottom; } to { transform: scaleY(1); transform-origin: bottom; } }
@keyframes curtain-out { from { transform: scaleY(1); transform-origin: top; }    to { transform: scaleY(0); transform-origin: top; } }

/* ---------- Keyframes ---------- */
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 1; }
}
@keyframes spin-slow { to { transform: rotate(360deg); } }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity var(--dur-4) var(--ease-out), visibility var(--dur-4);
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__inner { text-align: center; }
.loader__mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.03em;
}
.loader__mark span { color: var(--accent); }
.loader__bar {
  margin: var(--sp-5) auto 0;
  width: 200px; height: 2px;
  background: var(--surface-3);
  border-radius: 2px;
  overflow: hidden;
}
.loader__bar::after {
  content: "";
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(var(--load, 0));
  transform-origin: left;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  transition: transform var(--dur-2) linear;
}
.loader__count {
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-mute);
}