:root{
  --bg:#0D1F1C;--bg2:#142A27;--bg3:#1A3532;--bg4:#22403d;
  --ink:#ffffff;--ink2:rgba(255, 255, 255, 0.7);--ink3:rgba(255,255,255,0.5);--ink4:rgba(255,255,255,0.3);
  --green:#E8C87A;--green2:rgba(232,200,122,0.1);--green3:rgba(232,200,122,0.2);
  --blue:#1D7C6E;--blue2:rgba(29,124,110,0.2);
  --amber:#8b4a00;--amber2:#fdf5e0;--amber3:#f5d58a;
  --red:#8b1a1a;--red2:#f5e8e8;
  --border:rgba(255,255,255,0.1);--border2:rgba(255,255,255,0.2);
  --radius:10px;--radius2:18px;
  --shadow:0 2px 12px rgba(26,26,20,.08);
  --shadow2:0 8px 32px rgba(26,26,20,.12);
}
*{box-sizing:border-box;margin:0;padding:0}

/* LAYOUT */
.calc-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
@media(max-width:700px){.calc-layout{grid-template-columns:1fr}}

/* PANELS */
.panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius2);padding:28px;box-shadow:var(--shadow)}
.panel-title{font-size:20px;margin-bottom:4px;color:var(--ink)}
.panel-sub{font-size:13px;color:var(--ink3);margin-bottom:24px}

/* INPUTS */
.field{margin-bottom:20px}
.field-label{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3);margin-bottom:6px;display:flex;justify-content:space-between;align-items:center}
.field-hint{font-size:11px;color:var(--ink4);font-weight:400;letter-spacing:0;text-transform:none}
.input-wrap{position:relative}
.prefix{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:15px;color:var(--ink3);pointer-events:none}
.suffix{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--ink3);pointer-events:none}
.field input,select{width:100%;background:var(--bg);border:1.5px solid var(--border);color:var(--ink);font-size:15px;padding:11px 40px 11px 36px;border-radius:var(--radius);outline:none;transition:border-color .2s;-moz-appearance:textfield}
.field input::-webkit-inner-spin-button{-webkit-appearance:none}
.field input:focus{border-color:var(--green)}
.field input.no-prefix{padding-left:14px}
.field select{padding:11px 14px;cursor:pointer}

/* SLIDER */
.slider-wrap{margin-top:6px}
input[type=range]{width:100%;-webkit-appearance:none;height:6px;background:var(--bg3);border-radius:3px;outline:none;cursor:pointer}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--green);border:2px solid #fff;box-shadow:0 2px 6px rgba(26,110,62,.3)}

/* SECTION DIVIDER */
.divider{height:1px;background:var(--border);margin:20px 0}
.section-label{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink4);margin-bottom:16px}

/* RESULTS PANEL */
.results-panel{background:var(--ink);border-radius:var(--radius2);padding:28px;color:#fff}
.results-panel .panel-title{color:#fff}
.results-panel .panel-sub{color:rgba(255,255,255,.5)}

.result-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.result-row:last-of-type{border-bottom:none}
.result-label{font-size:13px;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:6px}
.result-label .dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.3);flex-shrink:0}
.result-value{font-size:20px;color:#fff}
.result-value.green{color:#5fe89a}
.result-value.amber{color:#f5c842}
.result-value.highlight{font-size:28px}

.roi-big{background:linear-gradient(135deg,rgba(26,110,62,.3),rgba(26,64,176,.2));border:1px solid rgba(95,232,154,.2);border-radius:var(--radius);padding:20px;text-align:center;margin:20px 0}
.roi-big .roi-num{font-size:52px;color:#5fe89a;line-height:1}
.roi-big .roi-label{font-size:12px;color:rgba(255,255,255,.5);margin-top:4px;letter-spacing:.06em;text-transform:uppercase}

.payback-bar{margin-top:20px}
.payback-label{font-size:12px;color:rgba(255,255,255,.5);margin-bottom:6px}
.bar-track{height:8px;background:rgba(255,255,255,.1);border-radius:4px;overflow:hidden}
.bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,#5fe89a,#4db8c8);transition:width 1s cubic-bezier(.4,0,.2,1)}

.breakdown{margin-top:20px;background:rgba(255,255,255,.04);border-radius:var(--radius);padding:16px}
.breakdown-title{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.4);margin-bottom:12px}
.breakdown-row{display:flex;justify-content:space-between;font-size:12px;padding:4px 0;color:rgba(255,255,255,.6)}
.breakdown-row span:last-child{color:rgba(255,255,255,.9);font-weight:500}

.cta-fix{background:linear-gradient(135deg,var(--green),#0d5228);border:none;color:#fff;width:100%;padding:14px;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;margin-top:20px;transition:all .2s}
.cta-fix:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(26,110,62,.4)}

/* ASSUMPTIONS */
.assumptions{background:var(--bg3);border-radius:var(--radius);padding:16px;margin-top:16px;font-size:12px;color:var(--ink3);line-height:1.7}
.assumptions strong{color:var(--ink2)}

/* COMPARISON TABLE */
.compare-section{margin-top:24px}
.compare-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius2);padding:28px;box-shadow:var(--shadow)}
.compare-title{font-size:22px;margin-bottom:20px}
.compare-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--border);border-radius:var(--radius);overflow:hidden}
.compare-cell{background:var(--bg);padding:14px 16px}
.compare-cell.head{background:var(--ink);color:#fff;font-weight:600;font-size:12px;text-align:center}
.compare-cell.highlight{background:var(--green2);border:2px solid var(--green3)}
.cv{font-size:18px;color:var(--ink)}
.cv.green{color:var(--green)}
.cv.red{color:var(--red)}
.cl{font-size:11px;color:var(--ink3);margin-top:2px}