.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.lesson-card {
    display: flex;
    flex-direction: column;
    padding: 24px;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}

.lesson-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.lesson-card__title {
    font-size: 20px;
    margin: 0 0 12px;
}

.lesson-card__description {
    font-size: 15px;
    line-height: 1.6;
    color: #666;
}

.lesson-card__link {
    margin-top: auto;
    padding-top: 20px;
    font-weight: 600;
}