.roi-wrap{margin:0 auto;max-width:1100px}.roi-grid{display:grid;gap:20px;grid-template-columns:1fr 1fr}.roi-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px}.roi-card label{display:block;font-weight:600;margin-top:12px}.roi-card input,.roi-card select{margin-top:6px;padding:10px;width:100%}.roi-results{display:grid;gap:10px;margin-top:12px}.roi-results div{border-bottom:1px solid #eee;display:flex;justify-content:space-between;padding:8px 0}.roi-fit{background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;margin-top:10px;padding:10px}@media (max-width:900px){.roi-grid{grid-template-columns:1fr}}