.calculator{background:#f3f8fc;border-top:1px solid var(--line)}.calculator-heading{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end;padding-bottom:40px}.calculator-heading h2{font-size:clamp(2.5rem,5vw,4.8rem);letter-spacing:-.055em;margin:0}.calculator-heading>p{margin:0;color:var(--muted);font-size:1.1rem}.calculator-shell{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(310px,.75fr);gap:28px;align-items:start;padding-top:0}.calculator-form{display:grid;gap:18px}.calculator-form fieldset{margin:0;padding:30px;border:1px solid var(--line);background:#fff}.calculator-form legend{padding:0 10px 0 0;font-size:1.3rem;font-weight:900;color:var(--navy)}.calculator-form legend span{color:var(--green);margin-right:9px;font-size:.85rem}.field-grid,.extra-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.calculator-form label{display:block;color:var(--ink);font-size:.92rem;font-weight:800}.calculator-form input[type=number],.calculator-form select,.calculator-form textarea{width:100%;margin-top:7px;padding:13px 14px;border:1px solid #b9cad8;border-radius:3px;background:#f8fbfd;color:var(--ink);font:inherit}.calculator-form textarea{resize:vertical}.calculator-form label>small{display:block;margin-top:6px;color:var(--muted);font-weight:500}.check-row{display:flex!important;gap:13px;align-items:flex-start;margin-top:20px;padding:18px;background:var(--sky);cursor:pointer}.check-row input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--blue);flex:0 0 auto}.check-row span,.check-row small{display:block}.check-row small{margin-top:4px;color:var(--muted);font-weight:500;line-height:1.45}.check-row.compact{margin-top:20px}.estimate-card{position:sticky;top:108px;padding:32px;background:var(--navy);color:#fff;box-shadow:0 18px 45px #071d3628}.estimate-kicker{text-transform:uppercase;letter-spacing:.12em;color:#b6ec78;font-size:.78rem;font-weight:900;margin:0}.estimate-total{margin:10px 0 0;font-size:clamp(3rem,6vw,5.4rem);font-weight:900;line-height:1;letter-spacing:-.06em}.gst-note{margin:4px 0 25px;color:#b9c9d7}.estimate-lines{border-top:1px solid #ffffff24;border-bottom:1px solid #ffffff24;padding:18px 0}.estimate-line{display:flex;justify-content:space-between;gap:18px;margin:8px 0;color:#d8e3ec}.estimate-line strong{color:#fff;text-align:right}.estimate-notice{margin:22px 0;padding:16px;background:#ffffff0d;border-left:3px solid var(--green)}.estimate-notice p{margin:5px 0 0;color:#bdcbd7;font-size:.85rem;line-height:1.45}.estimate-action{width:100%}.estimate-action:disabled{opacity:.45;cursor:not-allowed}.copy-note{margin:12px 0 0;text-align:center;color:#aebfce;font-size:.8rem;line-height:1.4}@media(max-width:900px){.calculator-heading,.calculator-shell{grid-template-columns:1fr;gap:30px}.estimate-card{position:static}.calculator-heading{padding-bottom:30px}.field-grid,.extra-grid{grid-template-columns:1fr}}@media(max-width:600px){.calculator-form fieldset{padding:22px 18px}.estimate-card{padding:25px 20px}.calculator .section{padding-left:16px;padding-right:16px}}