.marcas {
  background: #fff;
  padding: 50px 0;
}
.marcas .container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}
.marcas h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 24px;
  color: #333;
}

/* Carrossel */
.marcas-wrapper {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 16px 0;
}

.marcas-track {
  display: flex;
  align-items: center;
  gap: 80px;
  width: max-content;
  animation: slide-marcas 25s linear infinite reverse; /* direita */
}
.marcas-wrapper:hover .marcas-track {
  animation-play-state: paused; /* pausa no hover */
}

.marcas-track img {
  height: 60px;
  width: auto;
  object-fit: contain;
  opacity: 0.95;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.marcas-track img:hover {
  transform: scale(1.07);
  opacity: 1;
}

/* Animação contínua */
@keyframes slide-marcas {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); } /* reverse faz ir para direita */
}

/* Responsivo */
@media (max-width: 768px) {
  .marcas-track { gap: 40px; }
  .marcas-track img { height: 50px; }
}