.pdf-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.pdf-card {
    display: block;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    text-decoration: none;
    transition: all 200ms ease;
}

.pdf-card h3 {
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.75rem;
    font-weight: 600;
    color: #111827;
    transition: color 200ms ease;
}

.pdf-card p {
    margin: 0.5rem 0 0;
    font-size: 0.875rem;
    line-height: 1.5rem;
    color: #6b7280;
}

.pdf-card:hover {
    transform: translateY(-4px);
    border-color: #d1d5db;
    box-shadow:
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.pdf-card:hover h3 {
    color: #2563eb;
}

/* Mobile */
@media (max-width: 767px) {
    .pdf-card-grid {
        grid-template-columns: 1fr;
    }
}