.top-header {
        background: #fff;
        border-bottom: 1px solid #ccc;
        padding: 10px 0;
        font-family: Arial, sans-serif;
    }
    .top-header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }

.logo img {
  height: 60px;
}

.nav-menu {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin: 0 15px;
}

.nav-menu li a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 16px;
  transition: color 0.3s;
}

.nav-menu li a:hover {
  color: #007b5e;
}

.social-icons {
  display: flex;
  gap: 10px;
}

.social-icons a {
  font-size: 18px;
  color: #555;
  transition: color 0.3s;
}

.social-icons a:hover {
  color: #007b5e;
}

.tnit-banner {
    position: relative;
}

.tnit-banner img,
.tnit-banner video,
.tnit-banner .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.tnit-banner .overlay {
    background-color: rgba(0, 0, 0, 0.4); /* optional for dark overlay */
}

.tnit-banner .container.h-100 {
    position: relative;
    z-index: 2;
}

.tnit-banner .text-white {
    z-index: 3;
    position: relative;
}

/* Hide nav-menu by default on small screens */
@media (max-width: 991.98px) {
  .nav-menu {
    flex-direction: column !important;
    align-items: center;
    background-color: #ffffff;
    padding: 15px 0;
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    width: 100%;
  }

  .nav-menu li {
    margin: 10px 0;
  }

  .nav-menu a {
    color: #333;
    font-weight: 600;
    text-decoration: none;
    padding: 8px 16px;
    display: block;
  }

  .nav-menu a:hover {
    background-color: #f0f0f0;
    border-radius: 4px;
  }

  .social-icons {
    justify-content: center;
    margin-top: 10px;
  }

  .navbar-toggler {
    border: none;
    background: transparent;
    font-size: 1.5rem;
  }

  .navbar-toggler-icon {
    display: inline-block;
    width: 30px;
    height: 2px;
    background-color: #000;
    position: relative;
  }

  .navbar-toggler-icon::before,
  .navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background-color: #000;
    left: 0;
  }

  .navbar-toggler-icon::before {
    top: -8px;
  }

  .navbar-toggler-icon::after {
    top: 8px;
  }
}