.main-container {
    display: flex;
    justify-content: space-between;
    width: 80%;
    margin: 20px auto;
}

.sidebar {
    margin-top: 10%;
    width: 40%;
    display: flex;
    align-items: start;
    justify-content: center;
}

img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.long-list li {
    text-align: justify; 
}

h3 {
    margin-top: 0px;
}

.index-header {
    margin-bottom: 5px;
}

.hero-image-mobile {
    display: none;
}

@media screen and (max-width: 768px) {
    .hero-image {
        display: none;
    }

    .hero-image-mobile {
        display: block;
    }

    .main-container {
        flex-direction: column;
        align-items: center;
    }

    .sidebar {
        width: 100%;
        text-align: center;
    }

    .sidebar img {
        max-width: 80%;
    }
}