/* ==========================================================================
   GENIUS IAS — animations.css
   Keyframes, scroll-reveal system, hero intro sequence, reduced motion
   ========================================================================== */

/* ---------- Keyframes ---------- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes floatY {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -14px; }
}

@keyframes blobDrift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-40px, 30px) scale(1.12); }
  100% { transform: translate(30px, -24px) scale(.95); }
}

@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 201, 40, .65); }
  70% { box-shadow: 0 0 0 9px rgba(255, 201, 40, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 201, 40, 0); }
}

@keyframes scrollLine {
  0% { top: -46px; }
  60%, 100% { top: 46px; }
}

@keyframes preloaderPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 14px 44px -8px rgba(255, 201, 40, .5); }
  50% { transform: scale(1.07); box-shadow: 0 20px 60px -6px rgba(255, 201, 40, .75); }
}

@keyframes preloaderSlide {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(280%); }
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes successPop {
  0% { transform: scale(.4); opacity: 0; }
  60% { transform: scale(1.12); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes heroLineUp {
  from { transform: translateY(115%) rotate(2.5deg); opacity: 0; }
  to { transform: translateY(0) rotate(0); opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes cardIn {
  from { opacity: 0; transform: translateY(34px) scale(.94); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Animated gradient text accent (used sparingly) */
.animated-grad {
  background: linear-gradient(100deg, var(--accent) 20%, #FFE58A 40%, var(--accent) 60%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientShift 5s linear infinite;
}

/* ---------- Scroll reveal system (IntersectionObserver driven) ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
[data-reveal="left"] { transform: translateX(-42px); }
[data-reveal="right"] { transform: translateX(42px); }
[data-reveal="scale"] { transform: scale(.9); }
[data-reveal="fade"] { transform: none; }
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* Staggered children: parent gets .stagger, children get incremental delays */
.stagger.is-revealed > * {
  animation: fadeUp .7s var(--ease-out) both;
}
.stagger > * { opacity: 0; }
.stagger.is-revealed > *:nth-child(1) { animation-delay: .05s; }
.stagger.is-revealed > *:nth-child(2) { animation-delay: .13s; }
.stagger.is-revealed > *:nth-child(3) { animation-delay: .21s; }
.stagger.is-revealed > *:nth-child(4) { animation-delay: .29s; }
.stagger.is-revealed > *:nth-child(5) { animation-delay: .37s; }
.stagger.is-revealed > *:nth-child(6) { animation-delay: .45s; }
.stagger.is-revealed > *:nth-child(7) { animation-delay: .53s; }
.stagger.is-revealed > *:nth-child(8) { animation-delay: .61s; }

/* ---------- Hero intro sequence ----------
   0.0s background · 0.2s logo · 0.4s label · 0.6s heading
   0.8s desc · 1.0s buttons · 1.2s visual · 1.4s float cards · 1.6s particles */
.hero__label,
.hero__title .line > span,
.hero__desc,
.hero__actions,
.hero__trust,
.hero__media,
.hero__scroll,
.hero__floats .float-card {
  opacity: 0;
}

.hero.is-ready .hero-brands__title {
  animation: fadeUp .7s var(--ease-out) .25s both;
}
.hero.is-ready .hero-logos {
  animation: fadeUp .7s var(--ease-out) .3s both;
}
.hero.is-ready .hero__label {
  animation: fadeUp .7s var(--ease-out) .4s both;
}
.hero.is-ready .hero__title .line > span {
  display: inline-block;
  animation: heroLineUp .9s var(--ease-out) both;
}
.hero.is-ready .hero__title .line:nth-child(1) > span { animation-delay: .6s; }
.hero.is-ready .hero__title .line:nth-child(2) > span { animation-delay: .72s; }
.hero.is-ready .hero__title .line:nth-child(3) > span { animation-delay: .84s; }
.hero.is-ready .hero__desc { animation: fadeUp .7s var(--ease-out) .95s both; }
.hero.is-ready .hero__actions { animation: fadeUp .7s var(--ease-out) 1.05s both; }
.hero.is-ready .hero__trust { animation: fadeUp .7s var(--ease-out) 1.15s both; }
.hero.is-ready .hero__media { animation: cardIn .9s var(--ease-out) 1.2s both; }
.hero.is-ready .hero__scroll { animation: fadeIn .8s ease 1.7s both; }
.hero.is-ready .float-card { animation: cardIn .8s var(--ease-out) both, floatY 7s ease-in-out 2.4s infinite; }
.hero.is-ready .float-card--1 { animation-delay: 1.4s, 2.6s; }
.hero.is-ready .float-card--2 { animation-delay: 1.52s, 2.7s; }
.hero.is-ready .float-card--3 { animation-delay: 1.64s, 2.8s; }
.hero.is-ready .float-card--4 { animation-delay: 1.76s, 2.9s; }

/* Inner page hero intro */
.page-hero .breadcrumb,
.page-hero .label,
.page-hero .page-hero__title,
.page-hero .page-hero__desc,
.page-hero .page-hero__chips,
.page-hero .page-hero__actions {
  animation: fadeUp .75s var(--ease-out) both;
}
.page-hero .breadcrumb { animation-delay: .1s; }
.page-hero .label { animation-delay: .2s; }
.page-hero .page-hero__title { animation-delay: .3s; }
.page-hero .page-hero__desc { animation-delay: .42s; }
.page-hero .page-hero__chips { animation-delay: .54s; }
.page-hero .page-hero__actions { animation-delay: .54s; }

/* Navbar / topbar entrance */
.navbar { animation: fadeUp .8s var(--ease-out) .2s both; }
.topbar { animation: fadeIn .6s ease both; }

/* Mobile menu stagger */
.mobile-menu__link:nth-child(1) { transition-delay: .06s; }
.mobile-menu__link:nth-child(2) { transition-delay: .12s; }
.mobile-menu__link:nth-child(3) { transition-delay: .18s; }
.mobile-menu__link:nth-child(4) { transition-delay: .24s; }
.mobile-menu__link:nth-child(5) { transition-delay: .3s; }
.mobile-menu__link:nth-child(6) { transition-delay: .36s; }
.mobile-menu__link:nth-child(7) { transition-delay: .42s; }
.mobile-menu__link:nth-child(8) { transition-delay: .48s; }
.mobile-menu__link:nth-child(9) { transition-delay: .54s; }
.mobile-menu__link:nth-child(10) { transition-delay: .6s; }

/* Course card filter transitions */
.course-card {
  animation: cardIn .5s var(--ease-out) both;
}

/* Footer reveal */
.footer__grid > * { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.footer.is-inview .footer__grid > * { opacity: 1; transform: none; }
.footer.is-inview .footer__grid > *:nth-child(1) { transition-delay: .05s; }
.footer.is-inview .footer__grid > *:nth-child(2) { transition-delay: .15s; }
.footer.is-inview .footer__grid > *:nth-child(3) { transition-delay: .25s; }
.footer.is-inview .footer__grid > *:nth-child(4) { transition-delay: .35s; }
.footer.is-inview .footer__grid > *:nth-child(5) { transition-delay: .45s; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .18s !important;
  }

  [data-reveal], .stagger > * { opacity: 1; transform: none; }
.hero .hero-logos,
.hero .hero-brands__title,
.hero__label,
  .hero__title .line > span,
  .hero__desc,
  .hero__actions,
  .hero__trust,
  .hero__media,
  .hero__scroll,
  .hero__floats .float-card,
  .footer__grid > * { opacity: 1; transform: none; animation: none; }

  .hero__blob, .float-card, .split__float-badge, .split__exp-chip,
  .contact-map__pin, .hero__scroll-line::after { animation: none; }
  .cursor-glow { display: none; }
  .journey__line-fill { transition-duration: .01ms !important; }
  .roadmap__line-fill { transition-duration: .01ms !important; }
}