#mainNav {
  background-color: var(--border-color) !important;
}

#mainNav .navbar-brand,
#mainNav .nav-link {
  color: #fff;
}

#mainNav .logo {
  max-height: 48px;
  max-width: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem;
  overflow: hidden;
  border-radius: 12px; 
  background-color: #fff; 
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

#mainNav .logo img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

nav.navbar .nav-link {
  position: relative;
  transition: color 0.3s;
}

nav.navbar .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: #fff;
  transition: width 0.3s;
}

nav.navbar .nav-link:hover {
  color: #fffbcc;
}

nav.navbar .nav-link:hover::after {
  width: 100%;
}