/* Categories Section */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.category-card {
    background-color: var(--dark-bg-lighter);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 2rem;
    border-top: 3px solid var(--primary);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.category-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.category-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.category-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.category-count {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.popular-topics {
    background-color: var(--dark-bg-lighter);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 3rem;
}

.popular-topics h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.topics-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.topic-tag {
    background: rgba(155, 135, 245, 0.1);
    border: 1px solid rgba(155, 135, 245, 0.3);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.topic-tag:hover {
    background: rgba(155, 135, 245, 0.2);
    transform: translateY(-2px);
    color: var(--primary-light);
}