/* ===== Reveal au scroll (piloté par IntersectionObserver, voir assets/js/reveal.js) ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--gs-ease), transform 0.7s var(--gs-ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal='scale'] {
  transform: translateY(16px) scale(0.94);
}

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

[data-reveal='left'] {
  transform: translateX(-32px);
}

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

[data-reveal='right'] {
  transform: translateX(32px);
}

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

/* Délais échelonnés pour les grilles de cartes */
[data-reveal-delay='1'] { transition-delay: 0.08s; }
[data-reveal-delay='2'] { transition-delay: 0.16s; }
[data-reveal-delay='3'] { transition-delay: 0.24s; }
[data-reveal-delay='4'] { transition-delay: 0.32s; }

/* ===== Flottement doux (hero, cartes flottantes) ===== */
@keyframes gs-float {
  0%, 100% { transform: translateY(0) rotate(var(--gs-float-rot, 0deg)); }
  50% { transform: translateY(-14px) rotate(var(--gs-float-rot, 0deg)); }
}

.gs-animate-float {
  animation: gs-float 5.5s ease-in-out infinite;
}

.gs-animate-float--slow {
  animation-duration: 7.5s;
}

.gs-animate-float--delay {
  animation-delay: 1.2s;
}

/* ===== Pulsation notification ===== */
@keyframes gs-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.gs-animate-pulse {
  animation: gs-pulse 2.4s ease-in-out infinite;
}

/* ===== Dégradé animé (texte / fond) ===== */
@keyframes gs-gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gs-animate-gradient {
  background-size: 200% 200%;
  animation: gs-gradient-shift 8s ease infinite;
}

/* ===== Rotation lente (halo, blob) ===== */
@keyframes gs-spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.gs-animate-spin-slow {
  animation: gs-spin-slow 26s linear infinite;
}

/* ===== Marquee horizontal (bande défilante) ===== */
@keyframes gs-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.gs-marquee__track {
  display: flex;
  width: max-content;
  animation: gs-marquee 28s linear infinite;
}

/* ===== Entrée logo/hero au chargement ===== */
@keyframes gs-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.gs-hero-anim-1 { animation: gs-fade-up 0.8s var(--gs-ease) both; }
.gs-hero-anim-2 { animation: gs-fade-up 0.8s var(--gs-ease) 0.12s both; }
.gs-hero-anim-3 { animation: gs-fade-up 0.8s var(--gs-ease) 0.24s both; }
.gs-hero-anim-4 { animation: gs-fade-up 0.9s var(--gs-ease) 0.36s both; }
.gs-hero-anim-5 { animation: gs-fade-up 1s var(--gs-ease) 0.5s both; }

@media (prefers-reduced-motion: reduce) {
  .gs-animate-float,
  .gs-animate-pulse,
  .gs-animate-gradient,
  .gs-animate-spin-slow,
  .gs-marquee__track {
    animation: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}