.pipeline-container {
  perspective: 1000px;
}

.pipeline-track {
  display: flex;
  transition: transform 0.5s ease;
}

.pipeline-segment {
  min-width: 300px;
  background: linear-gradient(145deg, #f1f5f9, #e2e8f0);
  border-radius: 10px;
  box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.1);
  margin: 0 15px;
  padding: 20px;
  transform-style: preserve-3d;
  transition: all 0.3s ease;
  border: 2px solid #cbd5e1;
}

.pipeline-segment:hover {
  transform: translateY(-5px) rotateX(5deg);
  box-shadow: 8px 8px 20px rgba(0, 0, 0, 0.15);
  border-color: #3b82f6;
}

.project-valve {
  position: relative;
  height: 60px;
  width: 60px;
  background: #3b82f6;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  color: white;
  font-size: 24px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.project-valve::after {
  content: "";
  position: absolute;
  width: 80px;
  height: 20px;
  background: #94a3b8;
  top: 50%;
  left: 60px;
  transform: translateY(-50%);
}

.filter-controls {
  background: rgba(226, 232, 240, 0.8);
  backdrop-filter: blur(5px);
  border-radius: 50px;
  padding: 10px;
  display: inline-flex;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 30px;
  margin: 0 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.filter-btn.active {
  background: #3b82f6;
  color: white;
}

.mechanical-arm {
  position: absolute;
  width: 150px;
  height: 10px;
  background: #64748b;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 5px;
}

.mechanical-arm::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 40px;
  background: #475569;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
}