/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/* Hero Section */
.hero {
    text-align: center;
    background: linear-gradient(135deg, #007bff, #1e90ff);
    color: white;
    padding: 50px 20px;
    display: none;
}

.research-section {
    width: 90%;
    margin: auto;
    display: flex;
    align-items: center;
    gap: 2rem;
    background-color: #fff;
    border-radius: 12px;
    /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); */
    padding: 30px;
    flex-wrap: wrap;
    margin-top: 70px;
  }
  
  .content {
    flex: 1;
  }
  
  .content h2 {
    font-size: 2rem;
    color: #1d3557;
    margin-bottom: 15px;
  }
  
  .content p {
    font-size: 1rem;
    color: #333;
    line-height: 1.6;
  }
  
  .image {
    flex: 1;
    display: flex;
    justify-content: center;
  }
  
  .image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
  }
  
  /* Responsive Design */
  @media (max-width: 768px) {
    .research-section {
      flex-direction: column;
      text-align: center;
    }
  
    .content h2 {
      font-size: 1.5rem;
    }
  
    .content p {
      font-size: 0.95rem;
    }
  }







  .topics-section {
    width: 90%;
    margin: 60px auto;
    text-align: center;
  }
  
  .topics-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #1d3557;
  }
  
  .topics-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 80px;
    justify-content: center;
  }
  
  .topic-card {
    position: relative;
    width: 400px;
    height: 400px;
    perspective: 1000px;
    cursor: pointer;
  }
  .card-front{
    background-color: #0b1f40 !important;
  }
  .card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 20px;
    border-radius: 12px;
    background-color: #f1f5f9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.6s ease, opacity 0.3s ease;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  
  .card-front h3 {
    font-size: 1.2rem;
    color: #ffcc00;
  }
  
  .card-back {
    transform: rotateY(180deg);
    opacity: 0;
    color: #333;
    font-size: 0.95rem;
  }
  
  .topic-card:hover .card-front {
    transform: rotateY(180deg);
    opacity: 0;
  }
  
  .topic-card:hover .card-back {
    transform: rotateY(0);
    opacity: 1;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .topics-grid {
      flex-direction: column;
      align-items: center;
    }
  
    .topic-card {
      width: 90%;
    }
  }