@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500&display=swap');
* { box-sizing: border-box; margin: 0; padding: 0; }
.timeline-container {
  background: linear-gradient(to right, #fbc2eb, #a6c1ee);
  color: #222;
  padding: 40px 20px;
  border-radius: 12px;
}
.timeline-header {
  background: linear-gradient(90deg, #00c9ff, #92fe9d);
  padding: 60px 20px;
  text-align: center;
  color: #0d2c3a;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  border-radius: 12px;
}
.timeline-header h1 {
  font-size: 2.8em;
  line-height: 1.3;
  text-shadow: 1px 1px 4px #fff;
}
.intro {
  max-width: 900px;
  margin: 40px auto;
  padding: 20px;
  background: rgba(255,255,255,0.85);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  color: #0d2c3a;
  font-size: 1.1em;
  line-height: 1.6;
  text-align: center;
}
.intro h2 { font-size: 2em; margin-bottom: 16px; }
.timeline {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  height: 100%;
  width: 8px;
  background: linear-gradient(to bottom, #00f2fe, #4facfe);
  box-shadow: 0 0 20px #4facfe;
  z-index: 1;
  border-radius: 4px;
}
.event {
  position: relative;
  width: 45%;
  padding: 30px;
  border-radius: 20px;
  background: linear-gradient(135deg, #ffffff 0%, #ffe0e0 100%);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  margin: 80px 0;
  z-index: 2;
  transition: transform 0.3s ease;
}
.event:hover { transform: scale(1.03); }
.event.left { left: 0; text-align: right; }
.event.right { left: 55%; }
.event time {
  display: inline-block;
  font-size: 1.4em;
  color: #0077ff;
  margin-bottom: 12px;
  font-weight: bold;
}
.event i {
  font-size: 2.6em;
  color: #e91e63;
  margin-bottom: 10px;
}
.connector {
  position: absolute;
  top: 50%;
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, #00f2fe, #4facfe);
  border-radius: 5px;
}
.event.left .connector { right: -60px; }
.event.right .connector { left: -60px; }
.dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background: radial-gradient(circle, #ffffff, #e91e63);
  border: 4px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 15px #e91e63;
  z-index: 3;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.7; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}
@media screen and (max-width: 768px) {
  .timeline::before { left: 20px; }
  .event {
    width: calc(100% - 60px);
    left: 0 !important;
    text-align: left !important;
    margin-left: 30px;
  }
  .event.left .connector,
  .event.right .connector { display: none; }
}