.tech-stack-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin: 2rem 0 1rem;
  text-align: center;
}

.tech-stack-container {
  overflow: hidden;
  white-space: nowrap;
}

.tech-scroll {
  display: inline-block;
  animation: scroll 20s linear infinite;
}

.tech-scroll img {
  height: 40px;
  margin: 0 1.5rem;
  vertical-align: middle;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.1));
}

@keyframes scroll {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(-100%);
  }
}