/* =====================================================================
   ORBIT — ANIMATIONS
   Utilities pra fade-in, slide, stagger. Usadas nas screens/*.
   ===================================================================== */

/* Respeita o sistema do usuário — quem prefere menos movimento não anima */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Standard easing — Linear-like spring curve */
:root {
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Fade in up — uso geral pra hero/section entrance ─────────────── */
.fade-in-up {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeInUp 700ms var(--ease-out-expo) forwards;
  animation-delay: var(--delay, 0ms);
}
@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Fade in — sem deslocamento ───────────────────────────────────── */
.fade-in {
  opacity: 0;
  animation: fadeIn 500ms ease forwards;
  animation-delay: var(--delay, 0ms);
}
@keyframes fadeIn {
  to { opacity: 1; }
}

/* ─── Scale in — pra elementos compactos tipo cards de stats ──────── */
.scale-in {
  opacity: 0;
  transform: scale(0.96);
  animation: scaleIn 600ms var(--ease-out-expo) forwards;
  animation-delay: var(--delay, 0ms);
}
@keyframes scaleIn {
  to { opacity: 1; transform: scale(1); }
}

/* ─── Slide in right — pra drawers, activity items ─────────────────── */
.slide-in-right {
  opacity: 0;
  transform: translateX(12px);
  animation: slideInRight 600ms var(--ease-out-expo) forwards;
  animation-delay: var(--delay, 0ms);
}
@keyframes slideInRight {
  to { opacity: 1; transform: translateX(0); }
}

/* ─── Stagger helpers — apply via :nth-child sem precisar de inline style */
.stagger > *:nth-child(1)  { --delay:   0ms; }
.stagger > *:nth-child(2)  { --delay:  60ms; }
.stagger > *:nth-child(3)  { --delay: 120ms; }
.stagger > *:nth-child(4)  { --delay: 180ms; }
.stagger > *:nth-child(5)  { --delay: 240ms; }
.stagger > *:nth-child(6)  { --delay: 300ms; }
.stagger > *:nth-child(7)  { --delay: 360ms; }
.stagger > *:nth-child(8)  { --delay: 420ms; }
.stagger > *:nth-child(9)  { --delay: 480ms; }
.stagger > *:nth-child(10) { --delay: 540ms; }

/* ─── On-scroll reveal — controlado por JS (Intersection Observer) ──
   Para conteúdo abaixo do fold, adicionar data-reveal no elemento.
   demo.js adiciona .is-revealed quando entra na viewport. */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out-expo),
              transform 700ms var(--ease-out-expo);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Ambient — números/contadores subindo ─────────────────────────── */
@keyframes numberSlide {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Shimmer pra skeleton/loading futuro ─────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}