html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* AI Jumbotron Carousel */
.portal-ai-jumbotron {
    position: relative;
    margin-bottom: 2rem;
}

.jumbotron-img {
    height: 450px;
    object-fit: cover;
    opacity: 0.85;
}

/* Overlay caption style */
.portal-ai-jumbotron .carousel-caption {
    background: rgba(0, 0, 0, 0.45);
    border-radius: 0.6rem;
    padding: 1.5rem;
}

/* Responsive font resizing */
@media (max-width: 768px) {
    .portal-ai-jumbotron .carousel-caption h1 {
        font-size: 1.8rem;
    }

    .portal-ai-jumbotron .carousel-caption p {
        font-size: 1rem;
    }
}