/* Education Section */
.education {
  background: var(--secondary-color);
  border-radius: 15px;
  margin: 20px;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

/* Animated Background */
.bg-animation {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(100, 255, 218, 0.07);
  animation: float 16s infinite ease-in-out;
}
.shape:nth-child(1) {
  width: 180px; height: 180px;
  top: 15%; left: 20%;
  animation-duration: 18s;
}
.shape:nth-child(2) {
  width: 220px; height: 220px;
  top: 60%; left: 70%;
  animation-duration: 22s;
}
.shape:nth-child(3) {
  width: 140px; height: 140px;
  bottom: 10%; left: 30%;
  animation-duration: 20s;
}
.shape:nth-child(4) {
  width: 100px; height: 100px;
  top: 40%; left: 10%;
  animation-duration: 25s;
}
.shape:nth-child(5) {
  width: 160px; height: 160px;
  bottom: 20%; right: 15%;
  animation-duration: 19s;
}
.shape:nth-child(6) {
  width: 80px; height: 80px;
  top: 25%; right: 25%;
  animation-duration: 26s;
}
.shape:nth-child(7) {
  width: 120px; height: 120px;
  bottom: 35%; left: 50%;
  animation-duration: 21s;
}
.shape:nth-child(8) {
  width: 200px; height: 200px;
  top: 5%; right: 40%;
  animation-duration: 24s;
}

/* Floating Animation */
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-30px) translateX(20px); }
}

/* Section Title */
.section-title {
  font-size: 2.8rem;
  margin-bottom: 80px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.section-title::after {
  content: '';
  width: 80px;
  height: 3px;
  background: var(--accent-color);
  display: block;
  margin: 12px auto 0;
  border-radius: 2px;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 850px;
  margin: 0 auto;
  z-index: 2;
}
.timeline::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  margin-left: -2px;
  width: 4px;
  background: linear-gradient(var(--accent-color), transparent);
  border-radius: 2px;
}

/* Timeline Items */
.timeline-item {
  position: relative;
  width: 50%;
  padding: 25px 40px;
  box-sizing: border-box;
}
.timeline-item:nth-child(odd) { left: 0; }
.timeline-item:nth-child(even) { left: 50%; }

.timeline-content {
  background: var(--primary-color);
  border-radius: 10px;
  padding: 25px 30px;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}
.timeline-content:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -20px rgba(2, 12, 27, 0.9);
}

/* Arrows */
.timeline-content::after {
  content: '';
  position: absolute;
  top: 30px;
  width: 18px; height: 18px;
  background: var(--primary-color);
  transform: rotate(45deg);
}
.timeline-item:nth-child(odd) .timeline-content::after { right: -9px; }
.timeline-item:nth-child(even) .timeline-content::after { left: -9px; }

/* Header */
.timeline-header {
  border-bottom: 1px solid rgba(100, 255, 218, 0.2);
  margin-bottom: 15px;
  padding-bottom: 10px;
}
.timeline-header h3 {
  color: var(--accent-color);
  margin-bottom: 5px;
  font-size: 1.3rem;
}
.timeline-header .date {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Institution */
.institution {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}
.institution-logo {
  width: 45px; height: 45px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: bold;
  color: var(--primary-color);
  background: var(--accent-color);
  margin-right: 12px;
}
.institution h4 {
  font-size: 1rem;
  color: var(--text-primary);
}

/* Highlights */
.highlights li {
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}
.highlights li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .timeline::after { left: 25px; }
  .timeline-item {
    width: 100%;
    padding-left: 60px;
    padding-right: 20px;
    left: 0 !important;
    margin-bottom: 40px;
  }
  .timeline-content::after {
    left: -9px !important;
    right: auto !important;
  }
}