/* ============================================================
   animations.css — Keyframes & Classes de Animação
   fxcursos Landing Page Premium
   ============================================================ */

/* ── Keyframes Base ─────────────────────────────────────────── */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

/* ── Pulso Dourado (botões CTA) ─────────────────────────────── */
@keyframes goldPulse {
  0%, 100% {
    box-shadow:
      0 0 0 0    rgba(212, 175, 55, 0.6),
      0 0 30px   rgba(212, 175, 55, 0.3);
  }
  50% {
    box-shadow:
      0 0 0 12px rgba(212, 175, 55, 0),
      0 0 60px   rgba(212, 175, 55, 0.4);
  }
}

/* ── Shimmer (reflexo de luz sobre botão) ───────────────────── */
@keyframes shimmer {
  0%   { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(250%)  skewX(-15deg); }
}

/* ── Ponto Pulsante (badge de urgência) ──────────────────────── */
@keyframes dotPulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.6; }
}

/* ── Anel de Pulso (status badge) ───────────────────────────── */
@keyframes ringPulse {
  0%   { transform: scale(1);   opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* ── Float (ícones flutuantes, decorações) ───────────────────── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ── Rotação suave (ícone de loading, decoração) ─────────────── */
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Accordion slide-down ────────────────────────────────────── */
@keyframes accordionOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Contador (número animado entrando) ──────────────────────── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Gradiente fluido (fundo da announcement bar) ────────────── */
@keyframes gradientFlow {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Scanline decorativa (visual premium) ────────────────────── */
@keyframes scanline {
  0%   { top: -10%; }
  100% { top: 110%; }
}

/* ============================================================
   Classes de Animação Utilitárias
   ============================================================ */

/* Reveal no scroll (aplicado via JS com IntersectionObserver) */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Delays escalonados para grupo de elementos */
.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; }

/* Float constante */
.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* Pulso do ponto de status */
.dot-pulse {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-urgency);
  animation: dotPulse 1.5s ease-in-out infinite;
}

.dot-pulse--success {
  background: var(--color-success);
}

/* Anel expandindo */
.ring-pulse::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-urgency);
  animation: ringPulse 1.5s ease-out infinite;
}

/* Gradiente de fundo animado */
.animated-gradient {
  background-size: 200% 200%;
  animation: gradientFlow 4s ease infinite;
}

/* Entrada de página */
.page-enter {
  animation: fadeIn 0.5s ease forwards;
}

/* Shimmer overlay (para ser posicionado dentro de um botão) */
.shimmer-overlay {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
}

.shimmer-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.15) 50%,
    transparent 100%
  );
  animation: shimmer 3s ease-in-out infinite;
  animation-delay: 1s;
}