.callout{background:#e3eee8;border-left:4px solid #1f6252;padding:18px 20px;border-radius:0 12px 12px 0}.calculator-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.calculator-fields input,.calculator-fields select{width:100%;padding:10px;margin-top:5px;border:1px solid #d9ddd7;border-radius:8px;background:#fff;font:inherit}.calculator-result{margin-top:15px}@media(max-width:580px){.calculator-fields{grid-template-columns:1fr}}