/* ============================================
   NAVEGUE BÚZIOS — Animações
   Transições discretas e performáticas
   Utiliza transform e opacity para GPU acceleration
   ============================================ */

/* --- Fade In de baixo para cima --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* --- Fade In da esquerda --- */
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Fade In da direita --- */
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Stagger delay para cards --- */
.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 100ms; }
.stagger-3 { transition-delay: 200ms; }
.stagger-4 { transition-delay: 300ms; }

/* --- Hero entrance animation --- */
.hero-fade {
  opacity: 0;
  transform: translateY(20px);
  animation: heroEntrance 800ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-fade--delay-1 { animation-delay: 200ms; }
.hero-fade--delay-2 { animation-delay: 400ms; }
.hero-fade--delay-3 { animation-delay: 600ms; }
.hero-fade--delay-4 { animation-delay: 800ms; }

@keyframes heroEntrance {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Sutil flutuação (wave hints) --- */
@keyframes subtleFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

.float-subtle {
  animation: subtleFloat 4s ease-in-out infinite;
}