/* EXPERIENCE SECTION (DATA PIPELINE TIMELINE) STYLE */
.experience-section {
  position: relative;
  z-index: 10;
  background-color: rgba(5, 8, 16, 0.2);
}

.pipeline-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 50px auto 0;
  padding: 20px 0;
}

/* Vertical central flow pipe */
.pipeline-flow-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(0, 240, 255, 0.05),
    rgba(0, 240, 255, 0.4) 15%,
    rgba(139, 92, 246, 0.4) 50%,
    rgba(255, 174, 66, 0.4) 85%,
    rgba(255, 174, 66, 0.05)
  );
  border-radius: var(--radius-full);
  z-index: 1;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

/* Animated Flowing Particles in Pipeline */
.pipeline-particles {
  position: absolute;
  top: -100px;
  left: 0;
  width: 100%;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--accent-cyan), transparent);
  animation: flow-down 6s infinite linear;
  filter: blur(1px);
}

@keyframes flow-down {
  0% { top: -100px; background: linear-gradient(to bottom, transparent, var(--accent-cyan), transparent); }
  50% { background: linear-gradient(to bottom, transparent, var(--accent-violet), transparent); }
  100% { top: 100%; background: linear-gradient(to bottom, transparent, var(--accent-amber), transparent); }
}

/* Timeline Cards Placement */
.pipeline-nodes {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.pipeline-node-card {
  position: relative;
  width: 45%;
  background: var(--bg-card);
  border: var(--border-card);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: transform var(--transition-bounce), border-color var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-card);
}

.pipeline-node-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
}

/* Color Accent Variations for timeline nodes */
.pipeline-node-card.accent-cyan {
  border-left: 3px solid var(--accent-cyan);
}
.pipeline-node-card.accent-cyan:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-neon-cyan), var(--shadow-card);
}

.pipeline-node-card.accent-violet {
  border-left: 3px solid var(--accent-violet);
}
.pipeline-node-card.accent-violet:hover {
  border-color: var(--accent-violet);
  box-shadow: var(--shadow-neon-violet), var(--shadow-card);
}

.pipeline-node-card.accent-amber {
  border-left: 3px solid var(--accent-amber);
}
.pipeline-node-card.accent-amber:hover {
  border-color: var(--accent-amber);
  box-shadow: var(--shadow-neon-amber), var(--shadow-card);
}

/* Left/Right Alternate Spacing */
.pipeline-node-card:nth-child(odd) {
  align-self: flex-start;
}

.pipeline-node-card:nth-child(even) {
  align-self: flex-end;
}

/* Central connecting joints/orbs */
.pipeline-joint {
  position: absolute;
  top: 35px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface);
  border: 2px solid var(--text-secondary);
  z-index: 3;
}

.pipeline-node-card.accent-cyan .pipeline-joint { border-color: var(--accent-cyan); box-shadow: var(--shadow-neon-cyan); }
.pipeline-node-card.accent-violet .pipeline-joint { border-color: var(--accent-violet); box-shadow: var(--shadow-neon-violet); }
.pipeline-node-card.accent-amber .pipeline-joint { border-color: var(--accent-amber); box-shadow: var(--shadow-neon-amber); }

.pipeline-node-card:nth-child(odd) .pipeline-joint {
  right: -10%; /* Sit on top of pipeline */
  transform: translateX(50%);
}

.pipeline-node-card:nth-child(even) .pipeline-joint {
  left: -10%; /* Sit on top of pipeline */
  transform: translateX(-50%);
}

/* Card typography & contents */
.node-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.node-company {
  font-weight: bold;
}

.pipeline-node-card.accent-cyan .node-company { color: var(--accent-cyan); }
.pipeline-node-card.accent-violet .node-company { color: var(--accent-violet); }
.pipeline-node-card.accent-amber .node-company { color: var(--accent-amber); }

.node-role {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.node-loc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.node-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.node-bullets li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  position: relative;
  padding-left: 15px;
}

.node-bullets li::before {
  content: '>';
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.pipeline-node-card.accent-cyan .node-bullets li::before { color: var(--accent-cyan); }
.pipeline-node-card.accent-violet .node-bullets li::before { color: var(--accent-violet); }
.pipeline-node-card.accent-amber .node-bullets li::before { color: var(--accent-amber); }