.npv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.npv-card {
    border: 1px solid #dcdcdc;
    border-radius: 16px;
    padding: 24px;
    background: #ffffff;
}

.npv-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
}

.npv-button {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid #cfcfcf;
}