.banner-overlay {
    background: rgba(0, 0, 0, 0.5); /* Semi-transparent black overlay */
  }




/* Heading styles for about page */
.about-section h1, 
.about-section h2, 
.about-section h3, 
.about-section h4, 
.about-section h5, 
.about-section h6,
#welcome h2,
#mission h2,
#values h2,
#timeline h2,
#certifications h2 {
  color: var(--pigment-green);
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding: 20px 0;
    margin: 0;
  }
  
  .timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background-color: var(--yellow-green);
  }
  
  .timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    justify-content: center;
  }
  
  .timeline-year {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--pigment-green);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    z-index: 1;
  }
  
  .timeline-content {
    width: 45%;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    margin-top: 30px;
  }
  
  .timeline-item:nth-child(odd) .timeline-content {
    margin-right: 55%;
    text-align: right;
  }
  
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
  }
  
  /* Mobile responsiveness for timeline */
  @media (max-width: 768px) {
    .timeline::before {
      left: 30px;
    }
    
    .timeline-year {
      left: 30px;
      transform: none;
    }
    
    .timeline-content {
      width: calc(100% - 80px);
      margin-left: 80px !important;
      margin-right: 0 !important;
      text-align: left !important;
    }
  }