.calculator-section{padding:80px 6% 64px;background:#1c211e;border-top:1px solid var(--line);scroll-margin-top:0}.calc-section-top{display:flex;justify-content:space-between;gap:24px;margin-bottom:28px}.calc-section-top>span:last-child{font-size:10px;letter-spacing:1px;color:var(--accent)}.calc-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:40px}.calc-heading h2{font-size:clamp(32px,3.5vw,56px);max-width:720px}.calc-heading>p{font-size:12px;color:var(--muted);line-height:1.8;max-width:300px}.calc-layout{display:grid;grid-template-columns:1.1fr 1fr;border:1px solid var(--line)}#project-calculator{margin:0;padding:32px;min-width:0}.calc-fieldset{border:0;margin:0 0 24px;padding:0;min-width:0}.calc-fieldset legend{font-size:11px;color:var(--muted);margin-bottom:12px}.calc-kinds{display:flex;gap:8px}.calc-kinds label{margin:0;flex:1;cursor:pointer;position:relative}.calc-kinds input{position:absolute;width:1px;height:1px;opacity:0;margin:0}.calc-kinds span{display:block;padding:12px;text-align:center;border:1px solid var(--line);color:var(--muted);font-size:12px}.calc-kinds input:checked+span{border-color:var(--accent);color:var(--accent);background:#f391420a}.calc-kinds input:focus-visible+span{outline:2px solid var(--accent);outline-offset:3px}.calc-field-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.calc-field-grid label{margin:0;font-size:11px}.calc-field-grid small{display:block;margin-top:6px;font-size:9px;color:var(--muted)}.calc-preset-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:18px 0 26px}.calc-preset-row>span{font-size:10px;color:var(--muted);margin-right:4px}.calc-preset-row button{font-size:10px;padding:7px 10px;background:transparent;border:1px solid var(--line);color:var(--text)}.calc-preset-row button:hover{border-color:var(--accent)}.calc-options-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.calc-options-grid label{margin:0;font-size:11px}.calc-advanced{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}.calc-advanced summary{cursor:pointer;font-size:11px;color:var(--muted);padding:6px 0}.calc-advanced .calc-options-grid{margin-top:12px}.calc-advanced p{font-size:10px;line-height:1.7;color:var(--muted)}#calc-error{color:var(--accent);font-size:11px;line-height:1.6;min-height:18px;margin-bottom:0}.calc-result{min-width:0;border-left:1px solid var(--line);padding:32px;background:#222923}.calc-result[aria-disabled=true]{opacity:.45}.calc-result-top{display:flex;justify-content:space-between;gap:12px;font-size:9px;letter-spacing:1px;color:var(--muted)}.calc-area{margin:18px 0 4px;font-size:46px;letter-spacing:-2px}.calc-area small{font-size:20px;letter-spacing:0;color:var(--muted)}#calc-region-label{color:var(--muted);font-size:11px}.calc-plan{display:block;width:100%;height:190px;margin:8px 0;color:var(--accent)}.calc-plan text{fill:var(--muted);font-size:12px;font-family:var(--sans)}.plan-floor{fill:#f391420a}.plan-frames{stroke:#c2c8bf55;stroke-width:1}.plan-outline{fill:none;stroke:var(--accent);stroke-width:1.5}.plan-dimensions{fill:none;stroke:#d8a37266;stroke-width:1}.calc-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid var(--line);padding-top:20px;margin:0 0 24px}.calc-metrics>div{min-width:0}.calc-metrics dt{font-size:9px;color:var(--muted);line-height:1.6}.calc-metrics dd{margin:5px 0 0;font-size:17px}.calc-result .primary{width:100%;font-size:11px;gap:16px}.calc-result .primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.calc-result-note{font-size:10px;line-height:1.7;color:var(--muted);margin:14px 0 0}.calc-method{border-bottom:1px solid var(--line);padding:28px 0;display:grid;grid-template-columns:1fr 2fr;gap:48px}.calc-method h3{font-size:16px;font-weight:500;margin:0;line-height:1.5}.calc-method p{font-size:12px;color:var(--muted);line-height:1.85;margin:0}.calc-faq{padding-top:32px}.calc-faq h3{font-size:22px;font-weight:500;letter-spacing:-.5px;margin:0 0 18px}.calc-faq details{border-top:1px solid var(--line);padding:18px 0}.calc-faq details:last-child{border-bottom:1px solid var(--line)}.calc-faq summary{cursor:pointer;font-size:13px;line-height:1.6}.calc-faq p{font-size:12px;line-height:1.85;color:var(--muted);max-width:850px}.calc-brief-summary{border-left:2px solid var(--accent);padding:10px 14px;background:#f3914208;font-size:10px;line-height:1.7;color:var(--muted);margin:20px 0}.calc-brief-summary[hidden]{display:none}@media(max-width:1000px){.calc-heading{display:block}.calc-heading>p{max-width:580px}.calc-layout{grid-template-columns:1fr 1fr}#project-calculator,.calc-result{padding:24px}.calc-field-grid{gap:10px}.calc-options-grid{grid-template-columns:1fr}.calc-method{gap:24px}}@media(max-width:700px){.calculator-section{padding:48px 6%}.calc-section-top{gap:12px}.calc-section-top .eyebrow{font-size:7px;letter-spacing:1px}.calc-section-top>span:last-child{font-size:8px}.calc-heading{margin-bottom:28px}.calc-heading h2{font-size:32px}.calc-layout{grid-template-columns:1fr}.calc-result{border-left:0;border-top:1px solid var(--line)}#project-calculator,.calc-result{padding:22px 18px}.calc-options-grid{grid-template-columns:1fr 1fr;gap:12px}.calc-field-grid{gap:10px}.calc-field-grid label,.calc-options-grid label{font-size:10px}.calc-field-grid input{padding:10px}.calc-field-grid small{font-size:8px}.calc-area{font-size:42px}.calc-method{grid-template-columns:1fr;gap:12px}.calc-result-top{font-size:8px;letter-spacing:.5px}.calc-faq summary{font-size:12px}.calc-kinds span{padding:11px 7px}.calc-plan{height:175px}}@media(max-width:360px){.calc-options-grid{grid-template-columns:1fr}.calc-field-grid{gap:8px}.calc-field-grid input{padding:9px 6px}.calc-result-top{flex-direction:column;gap:7px}}
.calc-presets{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;width:100%}.calc-preset-row{display:block;margin:0 0 24px}.calc-preset-row>span{display:block;margin:0 0 10px}.calc-preset-row button{width:100%;padding:10px 6px;text-align:left;transition:border-color .2s,background .2s}.calc-presets strong{font-size:10px;font-weight:600;display:block;white-space:nowrap}.calc-presets small{display:block;font-size:8px;color:var(--muted);margin-top:5px;white-space:nowrap}.calc-presets button[aria-pressed=true]{border-color:var(--accent);background:#f391420a}.calc-presets button[aria-pressed=true] strong{color:var(--accent)}#project-calculator{display:flex;flex-direction:column;justify-content:space-between;gap:20px}.calc-fieldset{margin-bottom:0}.calc-preset-row{margin-bottom:0}.calc-advanced{margin-top:0}.calc-advanced summary{color:var(--text)}.calc-custom-toggle{display:flex;align-items:flex-start;gap:12px;padding:14px;background:#f3914208;border:1px solid #f3914238;cursor:pointer}.calc-custom-toggle input{width:15px;height:15px;flex:none;margin:2px 0 0;accent-color:var(--accent)}.calc-custom-toggle strong{font-size:11px;font-weight:500;color:var(--text)}.calc-custom-toggle small{display:block;margin-top:5px;font-size:10px;line-height:1.6;color:var(--muted)}.calc-custom-toggle>span:last-child{color:var(--accent);font-size:18px;margin-left:auto}.calc-advanced textarea{display:block;width:100%;min-height:85px;resize:vertical;border:1px solid var(--line);background:#171c16;color:var(--text);font:inherit;font-size:12px;line-height:1.6;padding:12px;margin-top:8px}.calc-advanced textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}#calc-custom-fields[hidden]{display:none}#calc-custom-fields label{font-size:11px}.calc-result{display:flex;flex-direction:column}.calc-result .primary{margin-top:auto}.calc-result-note{flex:none}#calc-error:empty{display:none}@media(min-width:701px) and (max-width:1100px){.calc-presets{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:700px){#project-calculator{gap:22px}.calc-presets{grid-template-columns:repeat(3,minmax(0,1fr))}.calc-preset-row button{padding:11px 9px}.calc-presets strong{font-size:11px}.calc-presets small{font-size:9px}.calc-custom-toggle{padding:12px}.calc-custom-toggle strong{font-size:10px}.calc-custom-toggle small{font-size:9px}.calc-result .primary{margin-top:0}}@media(max-width:360px){.calc-presets{grid-template-columns:repeat(2,minmax(0,1fr))}}

.calc-project-notes label{display:block;margin:0;font-size:11px;color:var(--text)}.calc-project-notes textarea{display:block;width:100%;min-height:100px;resize:vertical;border:1px solid var(--line);background:#171c16;color:var(--text);font:inherit;font-size:12px;line-height:1.7;padding:12px;margin-top:10px}.calc-project-notes textarea::placeholder{color:var(--muted)}.calc-project-notes textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}