.fc-calculator-wrapper *,.fc-calculator-wrapper *::before,.fc-calculator-wrapper *::after{box-sizing:border-box;margin:0;padding:0}.fc-calculator-wrapper .container{max-width:680px;margin:0 auto}.fc-calculator-wrapper .card{background:var(--white,#fff);border-radius:var(--radius,10px);box-shadow:0 2px 16px rgb(0 0 0 / .10);overflow:hidden}.fc-calculator-wrapper .progress-wrap{padding:18px 28px 0}.fc-calculator-wrapper .progress-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--muted,#666);margin-bottom:6px;font-weight:500}.fc-calculator-wrapper .progress-bar-bg{height:6px;background:#eee;border-radius:99px;overflow:hidden}.fc-calculator-wrapper .progress-bar-fill{height:100%;background:var(--red,#c0392b);border-radius:99px;transition:width .4s ease}.fc-calculator-wrapper .screen{display:none;padding:28px 28px 24px}.fc-calculator-wrapper .screen.active{display:block}.fc-calculator-wrapper .start-icon{width:100%;height:200px;background:linear-gradient(135deg,var(--red,#c0392b) 0%,var(--red-dark,#96281b) 100%);display:flex;align-items:center;justify-content:center;font-size:72px;border-radius:8px;margin-bottom:24px}.fc-calculator-wrapper .start-title{font-family:'Rajdhani',sans-serif;font-size:30px;font-weight:700;margin-bottom:12px;line-height:1.2}.fc-calculator-wrapper .start-desc{font-size:15px;color:var(--muted,#666);line-height:1.6;margin-bottom:28px}.fc-calculator-wrapper .question-title{font-family:'Rajdhani',sans-serif;font-size:22px;font-weight:700;margin-bottom:6px;line-height:1.3}.fc-calculator-wrapper .question-sub{font-size:13px;color:var(--muted,#666);margin-bottom:18px;line-height:1.5}.fc-calculator-wrapper .options{display:flex;flex-direction:column;gap:10px}.fc-calculator-wrapper .opt-label{display:flex;align-items:center;gap:14px;padding:14px 18px;border:2px solid var(--border,#e0e0e0);border-radius:var(--radius,10px);cursor:pointer;transition:border-color .2s,background .2s;font-size:15px;font-weight:500;color:var(--text,#1a1a1a)}.fc-calculator-wrapper .opt-label:hover{border-color:var(--red,#c0392b);background:rgb(0 0 0 / .03)}.fc-calculator-wrapper .opt-label input{display:none}.fc-calculator-wrapper .opt-circle{width:22px;height:22px;border:2px solid var(--border,#e0e0e0);border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s}.fc-calculator-wrapper .opt-label.selected{border-color:var(--red,#c0392b);background:rgb(0 0 0 / .03)}.fc-calculator-wrapper .opt-label.selected .opt-circle{border-color:var(--red,#c0392b);background:var(--red,#c0392b)}.fc-calculator-wrapper .opt-circle-dot{width:8px;height:8px;background:#fff;border-radius:50%;display:none}.fc-calculator-wrapper .opt-label.selected .opt-circle-dot{display:block}.fc-calculator-wrapper .slider-wrap{margin:12px 0 24px}.fc-calculator-wrapper .slider-value{font-family:'Rajdhani',sans-serif;font-size:32px;font-weight:700;color:var(--red,#c0392b);margin-bottom:10px}.fc-calculator-wrapper input[type=range]{width:100%;-webkit-appearance:none;height:6px;border-radius:99px;background:#eee;outline:none}.fc-calculator-wrapper input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--red,#c0392b);cursor:pointer;border:3px solid #fff;box-shadow:0 1px 4px rgb(0 0 0 / .2)}.fc-calculator-wrapper .slider-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--muted,#666);margin-top:6px}.fc-calculator-wrapper .btn-red{display:inline-block;background:var(--red,#c0392b);color:#fff;border:none;border-radius:6px;padding:14px 32px;font-size:16px;font-weight:700;font-family:'Rajdhani',sans-serif;letter-spacing:.5px;cursor:pointer;transition:background .2s,transform .15s;text-transform:uppercase}.fc-calculator-wrapper .btn-red:hover{background:var(--red-dark,#96281b);transform:translateY(-1px)}.fc-calculator-wrapper .btn-red:disabled{opacity:.45;cursor:not-allowed;transform:none}.fc-calculator-wrapper .btn-red.pulse{animation:hvac-pulse 2s infinite ease-in-out}.fc-calculator-wrapper .btn-outline{background:#fff0;color:var(--muted,#666);border:2px solid var(--border,#e0e0e0);border-radius:6px;padding:12px 24px;font-size:15px;font-weight:600;font-family:'Rajdhani',sans-serif;cursor:pointer;transition:border-color .2s;text-transform:uppercase}.fc-calculator-wrapper .btn-outline:hover{border-color:var(--red,#c0392b)}.fc-calculator-wrapper .nav-row{display:flex;justify-content:space-between;margin-top:24px;gap:12px}.fc-calculator-wrapper .form-header{font-family:'Rajdhani',sans-serif;font-size:22px;font-weight:700;margin-bottom:6px}.fc-calculator-wrapper .form-subtext{font-size:13px;color:var(--muted,#666);margin-bottom:20px;line-height:1.5}.fc-calculator-wrapper .form-group{margin-bottom:14px}.fc-calculator-wrapper .form-group label{display:block;font-size:12px;font-weight:600;color:var(--muted,#666);margin-bottom:5px;text-transform:uppercase;letter-spacing:.4px}.fc-calculator-wrapper .form-group input{width:100%;padding:11px 13px;border:2px solid var(--border,#e0e0e0);border-radius:8px;font-size:15px;outline:none;font-family:inherit;transition:border-color .2s}.fc-calculator-wrapper .form-group input:focus{border-color:var(--red,#c0392b)}.fc-calculator-wrapper .form-group input.error{border-color:#e74c3c}.fc-calculator-wrapper .form-disclaimer{font-size:11px;color:#aaa;text-align:center;margin:8px 0 16px;line-height:1.5}.fc-calculator-wrapper .btn-submit{width:100%;background:var(--red,#c0392b);color:#fff;border:none;border-radius:6px;padding:15px;font-size:17px;font-weight:700;font-family:'Rajdhani',sans-serif;cursor:pointer;transition:background .2s;text-transform:uppercase}.fc-calculator-wrapper .btn-submit:hover{background:var(--red-dark,#96281b)}.fc-calculator-wrapper .result-badge{display:inline-flex;align-items:center;gap:8px;font-family:'Rajdhani',sans-serif;font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:6px 14px;border-radius:4px;margin-bottom:16px;background:rgb(0 0 0 / .06);color:var(--result-badge,var(--red,#c0392b))}.fc-calculator-wrapper .result-title{font-family:'Rajdhani',sans-serif;font-size:28px;font-weight:700;margin-bottom:20px;line-height:1.2}.fc-calculator-wrapper .result-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.fc-calculator-wrapper .result-card{background:#f9f9f9;border-radius:8px;padding:16px;border-left:4px solid var(--result-card,var(--red,#c0392b))}.fc-calculator-wrapper .result-card .label{font-size:11px;color:var(--muted,#666);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-weight:600}.fc-calculator-wrapper .result-card .value{font-family:'Rajdhani',sans-serif;font-size:26px;font-weight:700;color:var(--text,#1a1a1a)}.fc-calculator-wrapper .result-note{font-size:13px;color:var(--muted,#666);line-height:1.6;margin-bottom:20px}.fc-calculator-wrapper .cta-box{background:linear-gradient(135deg,var(--result-cta1,var(--red,#c0392b)),var(--result-cta2,var(--red-dark,#96281b)));border-radius:var(--radius,10px);padding:24px;text-align:center;margin-bottom:16px}.fc-calculator-wrapper .cta-box h3{font-family:'Rajdhani',sans-serif;color:#fff;font-size:20px;font-weight:700;margin-bottom:8px}.fc-calculator-wrapper .cta-box p{color:rgb(255 255 255 / .9);font-size:13px;margin-bottom:14px;line-height:1.5}.fc-calculator-wrapper .btn-white{display:inline-block;background:#fff;color:var(--result-cta1,var(--red,#c0392b));border:none;border-radius:6px;padding:12px 28px;font-size:15px;font-weight:700;font-family:'Rajdhani',sans-serif;cursor:pointer;text-decoration:none;transition:opacity .2s;text-transform:uppercase}.fc-calculator-wrapper .btn-white:hover{opacity:.92}.fc-calculator-wrapper .restart-link{display:block;text-align:center;margin-top:10px;font-size:13px;color:var(--muted,#666);cursor:pointer;text-decoration:underline;background:none;border:none}@keyframes hvac-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}@media (max-width:480px){.fc-calculator-wrapper .screen{padding:20px 16px}.fc-calculator-wrapper .result-grid{grid-template-columns:1fr}.fc-calculator-wrapper .start-title{font-size:24px}.fc-calculator-wrapper .question-title{font-size:18px}}