/* ==========================================================================
   BSB MED - SISTEMA DE ANIMAÇÃO BIDIRECIONAL COM HISTERESE (SCROLL REVEAL)
   ========================================================================== */

/* 1. Elementos Base de Revelação ao Rolar */
.reveal-fade-up,
.reveal-fade-left,
.reveal-fade-right,
.reveal-scale {
  opacity: 0;
  will-change: transform, opacity;
  /* Transição de saída rápida e discreta quando sai do viewport */
  transition: opacity 0.35s ease-out,
              transform 0.35s ease-out;
}

.reveal-fade-up {
  transform: translateY(28px);
}

.reveal-fade-left {
  transform: translateX(-36px);
}

.reveal-fade-right {
  transform: translateX(36px);
}

.reveal-scale {
  transform: scale(0.94);
}

/* Estado Ativado (Entrada elegante e suave) */
.is-revealed {
  opacity: 1 !important;
  transform: translate(0, 0) scale(1) !important;
  /* Transição de entrada suave com curva de desaceleração premium */
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Elementos da Hero Section ficam fixos após o primeiro reveal */
.keep-revealed,
#hero .is-revealed {
  opacity: 1 !important;
  transform: translate(0, 0) scale(1) !important;
}

/* 2. Efeito Cascata (Stagger) para Grupos de Cards */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  will-change: transform, opacity;
  transition: opacity 0.3s ease-out,
              transform 0.3s ease-out;
}

.reveal-stagger.is-revealed > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Atrasos progressivos manuais para grids */
.reveal-delay-1 { transition-delay: 80ms !important; }
.reveal-delay-2 { transition-delay: 160ms !important; }
.reveal-delay-3 { transition-delay: 240ms !important; }
.reveal-delay-4 { transition-delay: 320ms !important; }
.reveal-delay-5 { transition-delay: 400ms !important; }
.reveal-delay-6 { transition-delay: 480ms !important; }

/* 3. Efeitos de Hover Suaves em Cards Revelados */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.hover-lift:hover {
  transform: translateY(-4px) !important;
}

/* 4. Contador de Métricas Animado */
.counter-num {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  transition: color 0.3s ease;
}

.counter-num.counting {
  color: #0F3E2E;
  text-shadow: 0 0 16px rgba(185, 245, 58, 0.4);
}

/* 5. Acessibilidade: respeita preferências de redução de movimento */
@media (prefers-reduced-motion: reduce) {
  .reveal-fade-up,
  .reveal-fade-left,
  .reveal-fade-right,
  .reveal-scale,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}