main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding-top: 80px; /* to account for the fixed header */
}

.heading {
    padding-top: 150px;
    font-size: 3rem;
    text-align: center;
}

.hero-grid {
    padding-top: 50px;
    width: 90vw;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 200px;
}

.hero-card {
    width: 400px;  /* fallback for larger screens */
    height: 450px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.hero-card:hover {
    transform: scale(1.05);
    cursor: pointer;
}

.hero-image {
    width: 100%;
    height: 100%;
    border-radius: inherit;
}

.hero-name {
    font-size: 1.5rem;
    margin-top: 10px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-card {
        width: 90vw;   /* make hero cards take up most of the viewport width */
        height: auto;  /* let the height adjust based on content */
        margin-bottom: 20px;
    }

    .hero-grid {
        flex-direction: column;
        align-items: center;
    }
}