/* ================================================
   ANIMAÇÕES & TRANSIÇÕES
   ================================================ */

/* ---- KEYFRAMES BASE ---- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes pulso {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

@keyframes rotacionar {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ---- SCROLL REVEAL ---- */
/* Classes aplicadas via JS (animations.js) */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.reveal--esquerda {
  transform: translateX(-40px);
}

.reveal.reveal--direita {
  transform: translateX(40px);
}

.reveal.reveal--zoom {
  transform: scale(0.95);
}

.reveal.visivel {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Delays em cascata para grupos */
.reveal-grupo > *:nth-child(1) { transition-delay: 0s; }
.reveal-grupo > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-grupo > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-grupo > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-grupo > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-grupo > *:nth-child(6) { transition-delay: 0.5s; }

/* ---- PARALLAX SIMPLES ---- */
.parallax-lento {
  will-change: transform;
}

/* ---- UNDERLINE ANIMADO ---- */
.link-animado {
  position: relative;
  display: inline-block;
}

.link-animado::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--dourado);
  transition: width var(--trans-media);
}

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

/* ---- HOVER IMAGEM COM ZOOM ---- */
.zoom-hover {
  overflow: hidden;
}

.zoom-hover img {
  transition: transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.zoom-hover:hover img {
  transform: scale(1.06);
}

/* ---- LINHA QUE CRESCE ---- */
.linha-grow {
  display: block;
  width: 0;
  height: 1px;
  background: var(--dourado);
  transition: width 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.linha-grow.visivel {
  width: 60px;
}

/* ---- NÚMERO CONTADOR ---- */
.contador {
  font-family: var(--fonte-display);
  font-size: 4rem;
  font-weight: 300;
  color: var(--preto);
  line-height: 1;
}

/* ---- TEXTO GRADIENTE DOURADO ---- */
.texto-gradiente {
  background: linear-gradient(135deg, var(--dourado) 0%, var(--dourado-cla) 50%, var(--dourado) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradienteMove 3s linear infinite;
}

@keyframes gradienteMove {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}

/* ---- APARECIMENTO DO NAV FIXO ---- */
.nav {
  animation: fadeIn 0.5s ease 0.2s both;
}

/* ---- SKELETON LOADING ---- */
.skeleton {
  background: linear-gradient(90deg, var(--bege) 25%, var(--bege-med) 50%, var(--bege) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease infinite;
}

@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Acessibilidade — respeita preferência do sistema */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}