.main-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.welcome-section {
    text-align: center;
    margin-bottom: 3rem;
}

.welcome-section h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.welcome-section p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.content-overview {
    margin: 2rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.content-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.content-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.content-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.content-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.card-link {
    display: inline-block;
    background: #007bff;
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    transition: background-color 0.2s ease;
}

.card-link:hover {
    background: #0056b3;
}

@media (max-width: 768px) {
    .welcome-section h1 {
        font-size: 2rem;
    }

    .welcome-section p {
        font-size: 1.1rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .content-card {
        padding: 1.5rem;
    }
}