/* Menu Responsivo AkiTemFibra - corrigido para loader iniciar no canto esquerdo */
.akf-header{
  background: #c40000;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1200; /* alto para ficar sobre seções */
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.akf-container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  position: relative; /* importante para o posicionamento absoluto do loader */
}
.akf-logo img{
  height: 48px;
  display: block;
}
.akf-nav{
  display: flex;
  gap: 1rem;
  align-items: center;
}
.akf-nav a{
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  padding: .25rem .25rem;
}
.akf-nav a:hover{
  opacity: 0.9;
}

/* Botão de toggle mobile */
.akf-toggle{
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.akf-toggle span{
  display: block;
  width: 22px;
  height: 3px;
  background: #fff;
  border-radius: 2px;
}

/* Loader: usa transform-scale para garantir início no lado esquerdo */
.akf-loader{
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 100%;              /* largura base igual ao container */
  background: linear-gradient(90deg, #fff, rgba(255,255,255,0.85));
  transform-origin: left;   /* essencial: origem à esquerda */
  transform: scaleX(0);     /* inicia "fechado" */
  transition: transform 420ms cubic-bezier(.2,.8,.2,1);
  z-index: 1300;            /* acima do conteúdo do header */
  pointer-events: none;
}

/* classe que ativa o loader (animação left->right) */
.akf-loader.active {
  transform: scaleX(1);
}

/* mobile */
@media (max-width: 768px) {
  .akf-nav{
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #c40000;
    width: 100%;
    flex-direction: column;
    display: none;
    padding: .75rem 1rem;
    gap: .5rem;
  }
  .akf-nav.active{ display: flex; }
  .akf-toggle{ display: flex; }
}