.estimator { padding-block:48px 64px; }
.estimator h1 { font-size:44px; margin-bottom:16px; }
.estimator .intro { max-width:720px; color:#647687; line-height:1.6; }
.calculator { display:grid; grid-template-columns:minmax(0,1.2fr) minmax(0,.85fr); gap:28px; margin-top:32px; align-items:start; }
.calc-card { border:1px solid #dde4ec; border-radius:8px; padding:24px; margin:0 0 20px; background:#fff; min-width:0; }
.calc-card legend { font-size:20px; font-weight:600; padding:0 8px; }
.calc-fields { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.calc-fields label { font-size:14px; font-weight:600; display:block; }
.calc-fields input,.calc-fields select { display:block; width:100%; border:1px solid #c9d4e0; border-radius:4px; padding:10px; background:white; margin-top:8px; min-width:0; }
.wide { grid-column:1/-1; }
.hint { color:#647687; font-size:13px; font-weight:400; line-height:1.55; margin:12px 0; }
.estimate-panel { position:sticky; top:100px; background:#f6f8fa; }
.estimate-panel h2 { font-size:25px; letter-spacing:-.5px; margin-bottom:20px; }
.totals { display:grid; grid-template-columns:1fr 1fr; gap:16px; border-bottom:1px solid #dde4ec; padding-bottom:20px; }
.totals span { display:block; font-size:13px; color:#647687; }
.totals strong { display:block; font-size:27px; color:#1769aa; margin-top:8px; }
.breakdown { width:100%; border-collapse:collapse; margin-block:20px; font-size:14px; }
.breakdown th,.breakdown td { padding:10px 0; border-bottom:1px solid #dde4ec; text-align:left; font-weight:400; }
.breakdown td { text-align:right; font-variant-numeric:tabular-nums; }
.result-note { font-size:14px; line-height:1.6; }
.asset-list { list-style:none; margin:12px 0 0; padding:0; }
.asset-list li { padding:9px 0; border-bottom:1px solid #dde4ec; overflow-wrap:anywhere; font-size:13px; display:flex; justify-content:space-between; gap:12px; }
.asset-list button { background:transparent; color:#1769aa; padding:0 3px; }
.error { color:#a12c2c; font-size:14px; line-height:1.5; }
.result-actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:20px; }
.source-links { font-size:13px; line-height:1.7; }
.source-links a { color:#1769aa; text-decoration:underline; }
@media(max-width:900px) { .calculator { grid-template-columns:1fr; } .estimate-panel { position:static; } }
@media(max-width:540px) { .estimator { padding-top:30px; } .estimator h1 { font-size:34px; } .calc-card { padding:18px; } .calc-fields { grid-template-columns:1fr; } .wide { grid-column:auto; } .totals strong { font-size:24px; } }