.hvac-calc{--hvac-accent:#0b6bcb;--hvac-accent-dark:#084e97;--hvac-border:#dfe3e8;--hvac-bg:#fff;--hvac-muted:#5b6672;max-width:560px;margin:0
auto;padding:28px;background:var(--hvac-bg);border:1px
solid var(--hvac-border);border-radius:14px;box-shadow:0 8px 30px rgba(16, 30, 54, 0.06);font-size:16px;line-height:1.5;box-sizing:border-box}.hvac-calc *,.hvac-calc *::before,.hvac-calc *::after{box-sizing:border-box}.hvac-calc__heading{margin:0
0 6px;font-size:1.35em;line-height:1.25}.hvac-calc__intro{color:var(--hvac-muted);margin-bottom:18px}.hvac-calc__intro
p{margin:0
0 8px}.hvac-calc__progress{display:flex;gap:8px;margin:0
0 22px}.hvac-calc__dot{flex:1;height:4px;border-radius:4px;background:var(--hvac-border);transition:background .2s ease}.hvac-calc__dot.is-active{background:var(--hvac-accent)}.hvac-step{animation:hvacFade .25s ease}@keyframes
hvacFade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.hvac-calc__q{font-weight:600;margin:0
0 14px}.hvac-calc__choices{display:flex;gap:12px;flex-wrap:wrap}.hvac-choice{flex:1 1 140px;padding:16px;border:2px
solid var(--hvac-border);border-radius:10px;background:#fff;font-size:1em;font-weight:600;cursor:pointer;transition:border-color .15s ease, background .15s ease}.hvac-choice:hover{border-color:var(--hvac-accent)}.hvac-choice.is-selected{border-color:var(--hvac-accent);background:rgba(11, 107, 203, .06)}.hvac-field{margin-bottom:16px}.hvac-label{display:block;font-weight:600;margin-bottom:6px}.hvac-input{width:100%;padding:12px
14px;border:1px
solid var(--hvac-border);border-radius:8px;font-size:1em;background:#fff}.hvac-input:focus{outline:none;border-color:var(--hvac-accent);box-shadow:0 0 0 3px rgba(11, 107, 203, .15)}.hvac-room-sizes{display:flex;flex-direction:column;gap:10px}.hvac-room-size-row{display:flex;align-items:center;gap:10px}.hvac-room-size-label{flex:0 0 auto;min-width:70px;font-weight:500}.hvac-room-size-row .hvac-input{flex:1 1 auto}.hvac-calc__totals{background:#f5f8fc;border-radius:8px;padding:12px
14px;margin:6px
0 16px}.hvac-calc__totals
strong{font-size:1.1em}.hvac-error{color:#b32d2e;background:#fdecec;border-radius:8px;padding:10px
12px;margin:0
0 14px;font-size: .95em}.hvac-calc__notice{background:#fff8e6;border:1px
solid #f2d98a;border-radius:10px;padding:16px
18px;margin-top:14px}.hvac-calc__notice
p{margin:0}.hvac-actions{display:flex;gap:10px;margin-top:8px}.hvac-btn{appearance:none;border:0;border-radius:8px;padding:13px
22px;font-size:1em;font-weight:600;cursor:pointer;background:var(--hvac-accent);color:#fff;transition:background .15s ease;margin-left:auto}.hvac-btn:hover{background:var(--hvac-accent-dark)}.hvac-btn--ghost{background:transparent;color:var(--hvac-muted);border:1px
solid var(--hvac-border);margin-left:0;margin-right:auto}.hvac-btn--ghost:hover{background:#f5f8fc}.hvac-hp{display:none !important}.hvac-req{color:#b32d2e}.hvac-input.has-error{border-color:#b32d2e;box-shadow:0 0 0 3px rgba(179, 45, 46, .12)}.hvac-field-error{display:block;color:#b32d2e;font-size: .85em;margin-top:4px}.hvac-calc.is-loading{opacity: .75;pointer-events:none}.hvac-turnstile-field{margin:4px
0 16px}.hvac-turnstile-field .cf-turnstile{min-height:65px}.hvac-submit[disabled]{opacity: .7;cursor:default}.hvac-result__thankyou{background:#e9f7ee;border:1px
solid #b6e2c6;border-radius:10px;padding:18px
20px;margin:0
0 18px;text-align:center}.hvac-result__thankyou-heading{margin:0
0 6px;font-size:1.3em;font-weight:700;color:#1a7f37}.hvac-result__thankyou-body{margin:0;color:#226b39}.hvac-result__thankyou-body
p{margin:0
0 6px}.hvac-result__thankyou-body p:last-child{margin-bottom:0}.hvac-result__thankyou:empty{display:none}.hvac-result__pricewrap{margin-top:4px}.hvac-result{text-align:center;padding:8px
0}.hvac-result__heading{color:var(--hvac-muted);margin:0
0 4px}.hvac-result__price{margin:4px
0}.hvac-result__from{display:inline-block;font-size: .8em;color:var(--hvac-muted);text-transform:uppercase;letter-spacing: .04em;vertical-align:middle;margin-right:6px}.hvac-result__from-value{font-size:2.4em;font-weight:800;color:var(--hvac-accent-dark);line-height:1}.hvac-result__range{font-weight:600;margin:8px
0 2px}.hvac-result__meta{color:var(--hvac-muted);margin:0
0 14px}.hvac-result__disclaimer{font-size: .82em;color:var(--hvac-muted);border-top:1px solid var(--hvac-border);padding-top:12px;margin:0}@media (max-width: 480px){.hvac-calc{padding:20px}.hvac-result__from-value{font-size:2em}}.hvac-result__range,.hvac-hp{display:none}