:root{--bg:#15171b;--bg-soft:#20242a;--surface:#fff;--surface-soft:#f4f6f8;--text:#d8dde3;--text-dark:#20242a;--muted:#78828f;--muted-light:#aeb6c0;--line:#ffffff1f;--line-dark:#dce2e8;--copper:#c8383e;--copper-dark:#8f1e23;--cyan:#4fb7c5;--shadow:0 20px 60px #00000038;--container:1360px;--radius:8px;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0}body,button,input,select,a{font:inherit}a{color:inherit}img{max-width:100%;display:block}p,dl{margin:0}h1,h2,h3{margin:0;line-height:1.08}h1{max-width:820px;font-size:clamp(2.4rem,6vw,4.8rem)}h2{font-size:clamp(1.7rem,3vw,2.6rem)}h3{font-size:1.05rem}.calc-container{width:min(100% - 40px, var(--container));margin:0 auto}.result-actions{align-items:center;display:flex}.calc-hero{background:linear-gradient(120deg,#c8383e33,#0000 34%),linear-gradient(160deg,#4fb7c529,#0000 45%),#15171b;padding:86px 0;position:relative;overflow:hidden}.calc-hero:before{content:"";opacity:.2;background-image:linear-gradient(#ffffff14 1px,#0000 1px),linear-gradient(90deg,#ffffff14 1px,#0000 1px);background-size:48px 48px;position:absolute;inset:0}.calc-hero-grid{grid-template-columns:minmax(0,1fr) 420px;align-items:center;gap:56px;display:grid;position:relative}.calc-eyebrow{color:var(--copper);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;font-size:.78rem;font-weight:900}.calc-lead{max-width:740px;color:var(--muted-light);margin-top:22px;font-size:1.18rem;line-height:1.7}.calc-intro{max-width:780px;color:var(--text);margin-top:20px;line-height:1.7}.calc-visual{border:1px solid var(--line);border-radius:var(--radius);min-height:380px;box-shadow:var(--shadow);background:radial-gradient(circle at 25% 20%,#c8383e3d,#0000 34%),linear-gradient(145deg,#ffffff14,#ffffff05);position:relative;overflow:hidden}.visual-grid{background-image:linear-gradient(#4fb7c538 1px,#0000 1px),linear-gradient(90deg,#4fb7c538 1px,#0000 1px);background-size:26px 26px;border:1px solid #ffffff29;position:absolute;inset:56px 38px;transform:perspective(740px)rotateX(58deg)rotate(-28deg)}.visual-card{border-radius:var(--radius);background:#15171bdb;border:1px solid #ffffff29;width:250px;padding:22px;position:absolute;bottom:34px;right:34px}.visual-card span,.visual-card small{color:var(--muted-light);display:block}.visual-card strong{color:#fff;margin:8px 0;font-size:3.2rem;line-height:1;display:block}.visual-chip{color:#fff;background:linear-gradient(135deg,#c8383ec7,#8f1e2394);border:1px solid #ffffff38;border-radius:8px;place-items:center;width:72px;height:72px;font-weight:900;display:grid;position:absolute;transform:rotate(45deg)skew(-8deg,-8deg)}.chip-lod{top:86px;left:78px}.chip-m2{background:linear-gradient(135deg,#4fb7c5b8,#5c6670a3);top:140px;right:92px}.chip-uf{bottom:94px;left:142px}.calc-section,.calc-disclaimer{color:var(--text-dark);background:var(--surface);padding:82px 0}.calculator-layout{grid-template-columns:minmax(0,1fr) 430px;align-items:start;gap:26px;display:grid}.calculator-panel,.result-panel,.calc-disclaimer .calc-container{border:1px solid var(--line-dark);border-radius:var(--radius);background:var(--surface-soft)}.calculator-panel,.result-panel{padding:30px}.form-heading{margin-bottom:26px}.form-heading p:not(.calc-eyebrow){color:var(--muted);margin-top:12px;line-height:1.6}.field-group{border:0;margin:0 0 24px;padding:0}.field-group label,.field-group legend{color:var(--text-dark);margin-bottom:9px;font-weight:900;display:block}.field-group select,.field-group input[type=number]{border:1px solid var(--line-dark);width:100%;min-height:48px;color:var(--text-dark);background:#fff;border-radius:6px;padding:11px 13px}.field-group select:focus,.field-group input[type=number]:focus,.calc-button:focus-visible{outline-offset:3px;outline:3px solid #4fb7c573}.field-help{color:var(--muted);margin-top:10px;line-height:1.6}.checkbox-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.checkbox-grid label,.work-grid label{border:1px solid var(--line-dark);cursor:pointer;background:#fff;border-radius:6px;gap:10px;margin:0;padding:14px;display:flex}.checkbox-grid input,.work-grid input{width:18px;height:18px;accent-color:var(--copper);flex:none}.work-grid{gap:10px;display:grid}.work-grid span,.work-grid strong{display:block}.work-grid span{color:var(--muted);line-height:1.55}.work-grid strong{color:var(--text-dark);margin-bottom:4px}.calc-button{cursor:pointer;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;min-height:48px;padding:12px 18px;font-weight:900;text-decoration:none;transition:transform .18s,border-color .18s,background .18s;display:inline-flex}.calc-button:hover{transform:translateY(-2px)}.calc-button-primary{color:#fff;background:linear-gradient(135deg, var(--copper), var(--copper-dark));box-shadow:0 14px 30px #c8383e40}.calc-button-secondary{color:var(--text-dark);border-color:var(--line-dark);background:#fff}.result-panel{position:sticky;top:112px}.result-panel h2{color:var(--text-dark)}.result-warning{min-height:24px;color:var(--copper-dark);margin-top:10px;font-weight:800;line-height:1.5}.result-values{gap:12px;margin-top:22px;display:grid}.result-values div{border:1px solid var(--line-dark);background:#fff;border-radius:6px;padding:17px}.result-values span,.result-values strong{display:block}.result-values span{color:var(--muted);font-size:.92rem;font-weight:800}.result-values strong{color:var(--text-dark);margin-top:6px;font-size:1.16rem}.total-result{border-color:#c8383e59!important}.total-result strong{color:var(--copper-dark);font-size:1.35rem}.summary-box,.commercial-notes{border-top:1px solid var(--line-dark);margin-top:22px;padding-top:22px}.summary-box h3{color:var(--text-dark)}.summary-box dl{gap:10px;margin-top:14px;display:grid}.summary-box dl div{grid-template-columns:140px 1fr;gap:12px;display:grid}.summary-box dt{color:var(--muted);font-weight:900}.summary-box dd{color:var(--text-dark);margin:0}.commercial-notes{color:var(--muted);gap:12px;line-height:1.6;display:grid}.result-actions{flex-wrap:wrap;gap:10px;margin-top:24px}.copy-status{min-height:22px;color:var(--muted);margin-top:14px;font-weight:800}.calc-disclaimer{padding-top:0}.calc-disclaimer .calc-container{padding:30px}.calc-disclaimer h2{color:var(--text-dark)}.calc-disclaimer p{color:var(--muted);margin-top:14px;line-height:1.7}.calc-footer{border-top:1px solid var(--line);color:var(--muted-light);background:#101215;padding:34px 0}.calc-footer .calc-container{flex-wrap:wrap;justify-content:space-between;gap:14px;display:flex}@media (width<=980px){.calc-hero-grid,.calculator-layout{grid-template-columns:1fr}.result-panel{position:static}}@media (width<=680px){.calc-container{width:min(100% - 28px, var(--container))}.calc-hero,.calc-section,.calc-disclaimer{padding:64px 0}.calc-disclaimer{padding-top:0}.calc-visual{min-height:310px}.calculator-panel,.result-panel,.calc-disclaimer .calc-container{padding:22px}.checkbox-grid{grid-template-columns:1fr}.summary-box dl div{grid-template-columns:1fr;gap:3px}.result-actions .calc-button{width:100%}}