/* ============================================================
   KRONOS — animations.css
   Keyframes, Scroll Reveal, Transições
   ============================================================ */

/* ---- Marquee (clientes) ---- */
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---- Scroll Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Atrasos escalonados */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ---- Fade In Up (hero) ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__eyebrow { animation: fadeInUp 0.7s ease 0.2s both; }
.hero__title   { animation: fadeInUp 0.7s ease 0.4s both; }
.hero__subtitle{ animation: fadeInUp 0.7s ease 0.55s both; }
.hero__actions { animation: fadeInUp 0.7s ease 0.7s both; }

/* ---- Pulse (WhatsApp float) ---- */
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.5); }
  50%       { box-shadow: 0 4px 32px rgba(37,211,102,0.75), 0 0 0 8px rgba(37,211,102,0.1); }
}
.whatsapp-float { animation: pulse 2.5s ease infinite; }
.whatsapp-float:hover { animation: none; }

/* ---- Shimmer (skeleton loading) ---- */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

/* ---- Loading spinner para form ---- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn--loading {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
}
.btn--loading::after {
  content: '';
  position: absolute;
  right: 16px;
  top: 50%;
  margin-top: -8px;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ---- Counter number animation ---- */
.numero-item__value {
  will-change: contents;
}

/* ---- Hover scale para cards ---- */
.treinamento-card,
.formato-card,
.diferencial-card,
.depoimento-card__inner {
  will-change: transform;
}

/* ---- Gradiente animado (decorativo) ---- */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ---- Underline hover em links ---- */
.navbar__link::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--kronos-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
  margin-top: 2px;
  border-radius: 2px;
}
.navbar__link:hover::after,
.navbar__link.active::after {
  transform: scaleX(1);
}

/* ---- Responsive: reduzir motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-right {
    opacity: 1 !important;
    transform: none !important;
  }
}