.judo-bg {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("https://images.unsplash.com/photo-1544464077-376d969d5b5c?ixlib=rb-4.0.3");
  background-size: cover;
  background-position: center;
}

.technique-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 24px;
  height: calc(100% - 24px);
  width: 2px;
  background: #e5e7eb;
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}