/* ==========================================================================
   LEAP.SOLUTIONS — ANIMATIONS
   File: animations.css
   Keyframes + scroll-reveal utility classes driven by assets/js/animation.js
   (IntersectionObserver). All motion respects prefers-reduced-motion.
   ========================================================================== */

/* ---- Keyframes used across style.css --------------------------------- */
@keyframes gradientDrift {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

@keyframes floatY {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, -10px); }
}

@keyframes pulseScale {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.75; }
}

@keyframes loadingSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-28px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes spinBrand {
  to { transform: rotate(360deg); }
}

/* ---- Scroll-reveal utility classes ------------------------------------ */
/* animation.js toggles the .is-revealed class on .reveal elements when they
   enter the viewport via IntersectionObserver. */
.reveal {
  opacity: 0;
  transition: opacity 0.7s var(--ease, ease), transform 0.7s var(--ease, ease);
}
.reveal-up { transform: translateY(32px); }
.reveal-down { transform: translateY(-32px); }
.reveal-left { transform: translateX(-36px); }
.reveal-right { transform: translateX(36px); }
.reveal-scale { transform: scale(0.94); }
.reveal-fade { transform: none; }

.reveal.is-revealed {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* Stagger helpers for grids of cards */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease, ease), transform 0.6s var(--ease, ease);
}
.reveal-stagger.is-revealed > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.is-revealed > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-revealed > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.is-revealed > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.is-revealed > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.is-revealed > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.is-revealed > *:nth-child(6) { transition-delay: 0.55s; }
.reveal-stagger.is-revealed > *:nth-child(7) { transition-delay: 0.65s; }
.reveal-stagger.is-revealed > *:nth-child(8) { transition-delay: 0.75s; }

/* Spinner (Bootstrap-independent brand spinner, used in form submit states) */
.spinner-brand {
  display: inline-block;
  width: 1.1em;
  height: 1.1em;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spinBrand 0.7s linear infinite;
}

/* Respect reduced motion preference everywhere */
@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;
  }
  .reveal,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
  }
}