.roi-calculator{background-color:#f9f9f9;border:1px solid #ddd;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1);margin:0 auto;max-width:600px;padding:20px;text-align:center}.roi-calculator h2{color:#333;font-size:1.8em;margin-bottom:10px;padding-bottom:10px;padding-top:10px}.roi-calculator button#expandForm{background:linear-gradient(90deg,#ef9730,#ee5d94);border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:1.1em;font-weight:700;margin-bottom:15px;padding:12px 20px;transition:background .3s ease}.roi-calculator button#expandForm:hover{background:linear-gradient(90deg,#ee5d94,#ef9730)}.roi-calculator button#calculateRoi{background:linear-gradient(90deg,#ef9730,#ee5d94);border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:1.1em;font-weight:700;padding:12px;transition:background .3s ease;width:100%}.roi-calculator button#calculateRoi:hover{background:linear-gradient(90deg,#ee5d94,#ef9730)}.roi-calculator label{color:#555;display:block;font-weight:700;margin-bottom:8px}.roi-calculator input{border:1px solid #ccc;border-radius:5px;box-sizing:border-box;font-size:1em;margin-bottom:20px;padding:10px;transition:border-color .3s ease;width:100%}.roi-calculator input:focus{border-color:#0073e6;box-shadow:0 0 5px rgba(0,115,230,.5);outline:none}.roi-calculator #results{background-color:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);margin-top:20px;padding:15px}.roi-calculator #results h3{color:#f19d29;font-size:1.3em;margin-bottom:15px}.roi-calculator #results p{font-size:18px;font-weight:700;line-height:1.6;margin:15px 0}.roi-calculator #results span{color:#ef9c29;font-weight:700}.roi-calculator .hidden{display:none}