.references-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    color: #fff;
}

.references-content p {
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 1.1rem;
}

.references-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin: 30px 0;
}

.reference-category {
    flex: 1;
    min-width: 300px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.reference-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.reference-category h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #f0f0f0;
    border-bottom: 2px solid #444;
    padding-bottom: 10px;
}

.reference-category ul {
    list-style-type: none;
    padding: 0;
}

.reference-category li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.05rem;
}

.reference-category li:last-child {
    border-bottom: none;
}

@media (max-width: 768px) {
    .references-list {
        flex-direction: column;
        gap: 20px;
    }
    
    .reference-category {
        min-width: 100%;
    }
}