/* Hero image on the landing page */
.hero-image {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}

/* Course thumbnail inside card */
.card-img-top {
    height: 180px;
    object-fit: cover;
}

/* Extra breathing room between grid rows */
.grid {
    row-gap: 1.5rem;
}

/* Clean up heading links inside cards */
.card h3 a,
.card h4 a {
    text-decoration: none;
    color: inherit;
}

.card h3 a:hover,
.card h4 a:hover {
    text-decoration: underline;
}