/* ═══════════════════════════════════════════════
   ANIMAÇÕES — Keyframes + Classes Reveal
   Ativadas via IntersectionObserver com .anima
   ═══════════════════════════════════════════════ */

/* --- KEYFRAMES --- */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideLeft {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideRight {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes formReveal {
  from {
    opacity: 0;
    transform: perspective(600px) rotateX(15deg) translateY(40px);
  }
  to {
    opacity: 1;
    transform: perspective(600px) rotateX(0deg) translateY(0);
  }
}

@keyframes fieldReveal {
  from {
    opacity: 0;
    transform: translateY(30px) skewY(-1.5deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) skewY(0deg);
  }
}

/* --- CLASSES REVEAL (padrão: invisível) --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Variantes */
.reveal-fade {
  opacity: 0;
  transition: opacity 0.6s ease-out;
}

.reveal-fade.anima {
  opacity: 1;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-scale.anima {
  opacity: 1;
  transform: scale(1);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-left.anima {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-right.anima {
  opacity: 1;
  transform: translateX(0);
}

/* --- STAGGER (filhos com delay) --- */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.stagger-children.anima > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.stagger-children.anima > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.anima > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.anima > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.anima > *:nth-child(5) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.anima > *:nth-child(6) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.anima > *:nth-child(7) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }
.stagger-children.anima > *:nth-child(8) { transition-delay: 0.7s; opacity: 1; transform: translateY(0); }

/* --- HERO ANIMATIONS --- */
.hero-content .reveal {
  opacity: 0;
  transform: translateY(40px);
}

.hero-content .reveal.anima {
  animation: fadeUp 0.8s ease-out forwards;
}

.hero-content .reveal:nth-child(1) { animation-delay: 0.2s; }
.hero-content .reveal:nth-child(2) { animation-delay: 0.4s; }
.hero-content .reveal:nth-child(3) { animation-delay: 0.6s; }
.hero-content .reveal:nth-child(4) { animation-delay: 0.8s; }
.hero-content .reveal:nth-child(5) { animation-delay: 1.0s; }

/* --- GLOW EFFECT para CTAs --- */
.glow-hover {
  position: relative;
}

.glow-hover::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta));
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  filter: blur(12px);
  transition: opacity var(--transition-base);
}

.glow-hover:hover::before {
  opacity: 0.5;
}

/* --- LINK UNDERLINE ANIMATION --- */
.link-animated {
  position: relative;
  display: inline-block;
}

.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width var(--transition-base);
}

.link-animated:hover::after {
  width: 100%;
}