/* Custom styles with modern features */
:root {
    --primary-color: #bf5700; /* UT Austin burnt orange */
    --secondary-color: #333f48;
}

.card {
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    border-radius: 1rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.about-content {
    line-height: 1.6;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color) !important;
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: darken(var(--primary-color), 10%);
    border-color: darken(var(--primary-color), 10%);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-img-top {
        height: 150px;
    }
}

/* Modern loading effect for images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

img[loading="lazy"].loaded {
    opacity: 1;
}