.roi-calculator{margin:2rem 0}.calc-header{margin-bottom:2rem}.calc-header h3{margin-top:.5rem;margin-bottom:.5rem;font-size:1.75rem}.calc-body{grid-template-columns:1fr 1fr;gap:3rem;display:grid}@media (max-width:768px){.calc-body{grid-template-columns:1fr;gap:2rem}}.calc-inputs{flex-direction:column;gap:1.5rem;display:flex}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-group label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.input-group input{border:1px solid var(--border-color);color:var(--text-primary);background:#0003;border-radius:8px;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s}.input-group input:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 3px #3b82f633}.calc-results{border:1px solid var(--border-color);background:#0003;border-radius:12px;flex-direction:column;justify-content:center;padding:2rem;display:flex}.calc-results h4{color:var(--text-secondary);margin-bottom:1.5rem;font-size:1.2rem}.result-item{border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;display:flex}.result-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.result-item.primary{flex-direction:column;align-items:flex-start;gap:.5rem;padding-bottom:1.5rem}.result-item.primary .result-value{font-size:2.5rem;font-weight:800}.result-label{font-weight:500}.result-value{font-size:1.25rem;font-weight:700}.result-value.positive{color:var(--success-color)}.result-value.negative{color:var(--warning-color)}.result-item.secondary{color:var(--text-secondary);margin-bottom:.5rem;padding-bottom:.5rem;font-size:.9rem}