body {
    background-color: #f3f9ff;
    font-family: 'Noto Sans Bengali', sans-serif;
}
.top-header {
    background-color: #f8f9fa;
    padding: 20px 0;
    text-align: center;
    border-bottom: 2px solid #dee2e6;
}
.site-logo {
    max-height: 80px;
}
.site-title {
    font-size: 1.8rem;
    font-weight: bold;
}
.site-slogan {
    font-size: 1rem;
    color: #555;
}
.navbar-custom {
    background-color: #800000;
    border-bottom: 4px solid #007bff;
}
.navbar-custom .nav-link {
    color: #fff;
    font-weight: 500;
    margin: 0 10px;
}
.navbar-custom .nav-link:hover {
    color: #ffc107;
}
.navbar-custom .nav-item {
    border-right: 1px solid rgba(255, 255, 255, 0.3);
}
.navbar-custom .nav-item:last-child {
    border-right: none;
}
.footer {
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 20px 0;
}
.section-title {
      background: linear-gradient(90deg, #f8e473, #d4edda);
      padding: 20px;
      font-size: 24px;
      margin-bottom: 20px;
      border-radius: 5px;
    }