.calculator-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
}

.section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f172a;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .calc-grid {
        grid-template-columns: 1fr !important;
    }
}