/* ==========================================================================
   NotaOne — Animaties
   Scroll-reveal, micro-interacties en keyframes.
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out-expo),
              transform var(--dur-slow) var(--ease-out-expo);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="scale"] { transform: translateY(16px) scale(0.96); }
[data-reveal="scale"].is-visible { transform: translateY(0) scale(1); }

[data-reveal="left"] { transform: translateX(-28px); }
[data-reveal="left"].is-visible { transform: translateX(0); }

[data-reveal="right"] { transform: translateX(28px); }
[data-reveal="right"].is-visible { transform: translateX(0); }

[data-reveal-group] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-base) var(--ease-out-expo), transform var(--dur-base) var(--ease-out-expo);
}
[data-reveal-group].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-group].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-group].is-visible > *:nth-child(2) { transition-delay: 70ms; }
[data-reveal-group].is-visible > *:nth-child(3) { transition-delay: 140ms; }
[data-reveal-group].is-visible > *:nth-child(4) { transition-delay: 210ms; }
[data-reveal-group].is-visible > *:nth-child(5) { transition-delay: 280ms; }
[data-reveal-group].is-visible > *:nth-child(6) { transition-delay: 350ms; }
[data-reveal-group].is-visible > *:nth-child(7) { transition-delay: 420ms; }
[data-reveal-group].is-visible > *:nth-child(8) { transition-delay: 490ms; }

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.is-loading-shimmer {
  background: linear-gradient(90deg, var(--surface-1) 25%, var(--surface-2) 50%, var(--surface-1) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}

/* Preloader */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s var(--ease-out-quart), visibility 0.5s;
}
.preloader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__mark {
  width: 44px; height: 44px;
  animation: spin-slow 1.4s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-group] > * {
    transition-duration: 1ms;
    transform: none !important;
  }
  .marquee__track, .preloader__mark, .dp-stat__live::after { animation: none !important; }
}