.roi-hero-content{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;padding:0 24px}.roi-hero-content .section-label{opacity:0;animation:heroPopIn .8s var(--ease-spring) forwards}.roi-hero-title{font-size:clamp(36px,5vw,60px);font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.03em;margin-top:16px;margin-bottom:20px;opacity:0;animation:heroPopIn .8s var(--ease-spring) .1s forwards}.roi-hero-title span{color:var(--accent-400)}.roi-hero-subtitle{font-size:clamp(15px,1.8vw,18px);color:#fff9;line-height:1.7;max-width:660px;margin:0 auto;opacity:0;animation:heroPopIn .8s var(--ease-spring) .2s forwards}.roi-section{padding:80px 32px 100px}.roi-section .section-inner{max-width:var(--max-width);margin:0 auto}.roi-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:start}@media(max-width:920px){.roi-grid{grid-template-columns:1fr}}.roi-inputs>*+*{margin-top:16px}.roi-results{position:static}.roi-card{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:24px}@media(max-width:480px){.roi-card{padding:18px}}.roi-card-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:4px}.roi-card-title{font-size:16px;font-weight:700;margin:0 0 4px;display:flex;align-items:center;gap:10px;color:var(--text-primary);letter-spacing:-.01em}.roi-card-sub{color:var(--text-secondary);font-size:13px;margin:0 0 18px}.roi-step{width:22px;height:22px;border-radius:var(--radius-pill);background:var(--accent-50);color:var(--accent-700);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;font-family:var(--font-mono)}.roi-mode{display:inline-flex;background:var(--bg);border-radius:var(--radius-pill);padding:3px;margin-bottom:18px;border:1px solid var(--hairline)}.roi-mode button{border:0;background:transparent;padding:6px 14px;border-radius:var(--radius-pill);cursor:pointer;font-weight:700;font-size:12px;color:var(--neutral-700);font-family:inherit;letter-spacing:.04em;transition:color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.roi-mode button:hover{color:var(--text-primary)}.roi-mode button.active{background:var(--ink);color:#fff}.roi-region{display:inline-flex;border:1px solid var(--hairline);border-radius:var(--radius-pill);padding:3px;background:var(--bg)}.roi-region[hidden]{display:none}.roi-region button{border:0;background:transparent;padding:6px 12px;border-radius:var(--radius-pill);cursor:pointer;font-size:12px;font-weight:700;color:var(--neutral-700);font-family:inherit;letter-spacing:.04em;transition:color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.roi-region button:hover{color:var(--text-primary)}.roi-region button.active{background:var(--ink);color:#fff}.roi-field{margin:14px 0}.roi-field-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}.roi-field label{font-weight:600;font-size:14px;color:var(--text-primary);display:inline-flex;align-items:center;gap:6px}.roi-help{color:var(--text-muted);cursor:help;font-size:11px;border:1px solid var(--hairline);width:16px;height:16px;border-radius:var(--radius-pill);display:inline-flex;align-items:center;justify-content:center;line-height:1;user-select:none;background:var(--bg)}.roi-help:hover{background:var(--ink);color:#fff;border-color:var(--ink)}.roi-muted{color:var(--text-muted);font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px}.roi-field-hint{color:var(--text-secondary);font-size:12px;margin-top:4px;line-height:1.5}.roi-input-grp{display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:center}@media(max-width:480px){.roi-input-grp{grid-template-columns:1fr;gap:10px}}.roi-num{position:relative}.roi-num input[type=number]{width:100%;font:inherit;font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;font-size:14px;color:var(--text-primary);padding:9px 12px;border:1px solid var(--hairline);border-radius:var(--radius-sm);background:var(--surface);-moz-appearance:textfield;transition:border-color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.roi-num input[type=number]::-webkit-outer-spin-button,.roi-num input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.roi-num input[type=number]:focus{outline:none;border-color:var(--accent-600);background:var(--bg)}.roi-num.roi-num-prefix input{padding-left:24px}.roi-num.roi-num-suffix input{padding-right:38px}.roi-affix{position:absolute;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:13px;font-family:var(--font-mono);pointer-events:none}.roi-affix-left{left:11px}.roi-affix-right{right:12px}.roi-input-grp input[type=range]{width:100%;-webkit-appearance:none;appearance:none;background:transparent;cursor:pointer}.roi-input-grp input[type=range]:focus{outline:none}.roi-input-grp input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:var(--radius-pill);background:linear-gradient(to right,var(--accent-600) var(--p, 50%),var(--hairline) var(--p, 50%))}.roi-input-grp input[type=range]::-moz-range-track{height:6px;border-radius:var(--radius-pill);background:var(--hairline)}.roi-input-grp input[type=range]::-moz-range-progress{height:6px;border-radius:var(--radius-pill);background:var(--accent-600)}.roi-input-grp input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:var(--radius-pill);background:#fff;border:2px solid var(--accent-600);margin-top:-6px;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform var(--duration-fast) var(--ease-out)}.roi-input-grp input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.08)}.roi-input-grp input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:var(--radius-pill);background:#fff;border:2px solid var(--accent-600);cursor:pointer}.roi-derived{margin-top:16px;background:var(--accent-50);border:1px solid var(--accent-100);border-radius:var(--radius-md);padding:14px 16px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}@media(max-width:540px){.roi-derived{grid-template-columns:1fr 1fr}}.roi-derived-stat{display:flex;flex-direction:column;gap:2px;min-width:0}.roi-derived-label{color:var(--text-secondary);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-mono)}.roi-derived-value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;color:var(--text-primary);font-size:15px}.roi-simple-summary{margin:4px 0 6px;color:var(--text-secondary);font-size:14px;line-height:1.6}.roi-pos-text{color:var(--roi-positive, #15803d);font-weight:700}.roi-neg-text{color:var(--roi-negative, #b91c1c);font-weight:700}.roi-section{--roi-positive: #15803d;--roi-negative: #b91c1c}.roi-related-section{--roi-positive: #15803d}.roi-advanced-intro{margin:4px 0 14px;color:var(--text-secondary);font-size:13px;line-height:1.6}details.roi-cpt{border:1px solid var(--hairline);border-radius:var(--radius-md);padding:0;margin:8px 0;background:var(--bg)}details.roi-cpt>summary{list-style:none;cursor:pointer;padding:12px 14px;font-weight:600;font-size:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--text-primary)}details.roi-cpt>summary::-webkit-details-marker{display:none}.roi-cpt-chev{color:var(--text-muted);transition:transform var(--duration-fast) var(--ease-out);display:inline-block;font-family:var(--font-mono)}details.roi-cpt[open]>summary .roi-cpt-chev{transform:rotate(90deg)}.roi-cpt-meta{color:var(--text-secondary);font-weight:500;font-size:12px;font-family:var(--font-mono);font-variant-numeric:tabular-nums}.roi-cpt-body{padding:4px 14px 14px;border-top:1px solid var(--hairline)}.roi-kpis{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.roi-kpi{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:14px}.roi-kpi-lead{grid-column:1 / -1;background:var(--ink);border-color:var(--hairline-dark);color:#fff;position:relative;overflow:hidden}.roi-kpi-lead:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:60%;height:1px;background:linear-gradient(90deg,transparent 0%,var(--accent-500) 50%,transparent 100%);opacity:.7;pointer-events:none}.roi-kpi-label{color:var(--text-secondary);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-mono)}.roi-kpi-lead .roi-kpi-label{color:#ffffffa6}.roi-kpi-value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;margin-top:4px;letter-spacing:-.02em;color:var(--text-primary)}.roi-kpi-lead .roi-kpi-value{font-size:clamp(28px,4vw,40px);color:#6be0ac}.roi-kpi-value.roi-pos{color:var(--roi-positive)}.roi-kpi-value.roi-neg{color:var(--roi-negative)}.roi-kpi-lead .roi-kpi-value.roi-pos{color:#6be0ac}.roi-kpi-lead .roi-kpi-value.roi-neg{color:#ff8c7a}.roi-kpi-delta{color:var(--text-secondary);font-size:12px;margin-top:4px;font-family:var(--font-mono);font-variant-numeric:tabular-nums}.roi-kpi-lead .roi-kpi-delta{color:#ffffff8c}.roi-pill{display:inline-flex;align-items:center;gap:6px;font-size:10px;font-weight:700;padding:3px 8px;border-radius:var(--radius-pill);background:var(--accent-50);color:var(--accent-700);letter-spacing:.06em;text-transform:uppercase;font-family:var(--font-mono);margin-left:auto}.roi-pill-dot{width:6px;height:6px;border-radius:var(--radius-pill);background:var(--accent-600);animation:roiPulse 1.6s infinite}@keyframes roiPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.roi-breakdown{margin-top:18px}.roi-bk-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:10px 0;border-bottom:1px dashed var(--hairline);font-size:14px}.roi-bk-row:last-child{border-bottom:0}.roi-bk-l{color:var(--text-secondary)}.roi-bk-v{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:700;color:var(--text-primary)}.roi-bk-total .roi-bk-l{color:var(--text-primary);font-weight:700}.roi-bk-total .roi-bk-v{color:var(--roi-positive);font-weight:800;font-size:15px}.roi-bar{height:8px;background:var(--bg);border-radius:var(--radius-pill);overflow:hidden;margin-top:14px;display:flex}.roi-bar>div{height:100%;transition:width var(--duration-slow) var(--ease-out)}.roi-bar-rev{background:linear-gradient(90deg,#15803d,#5fd3a0)}.roi-bar-cost{background:linear-gradient(90deg,#b91c1c,#ff6b6b)}.roi-legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;color:var(--text-secondary);font-size:12px;font-family:var(--font-mono)}.roi-legend i{width:10px;height:10px;border-radius:2px;display:inline-block;margin-right:6px;vertical-align:middle}.roi-legend-rev{background:var(--roi-positive)}.roi-legend-cost{background:var(--roi-negative)}.roi-actions{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}.roi-secondary-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--hairline);color:var(--text-primary);font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;transition:border-color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.roi-secondary-btn:hover{border-color:var(--accent-600);background:var(--accent-50)}.roi-ghost-btn{width:100%;padding:10px;border-radius:var(--radius-md);border:1px dashed var(--hairline);background:transparent;color:var(--text-secondary);font-weight:600;font-size:13px;cursor:pointer;font-family:inherit;margin-top:4px;transition:border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.roi-ghost-btn:hover{border-color:var(--accent-600);color:var(--accent-600);background:var(--accent-50)}.roi-footnote{margin-top:24px;color:var(--text-muted);font-size:12px;line-height:1.65}.roi-footnote strong{color:var(--text-secondary)}[data-tip]{position:relative}[data-tip]:hover:after{content:attr(data-tip);position:absolute;left:50%;top:calc(100% + 6px);transform:translate(-50%);background:var(--ink);color:#fff;padding:8px 12px;border-radius:var(--radius-md);font-size:12px;font-weight:400;width:240px;text-align:left;line-height:1.45;z-index:5;box-shadow:var(--shadow-lg);pointer-events:none}.roi-toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--radius-md);font-size:13px;font-weight:500;opacity:0;pointer-events:none;transition:opacity .2s var(--ease-out),transform .2s var(--ease-out);z-index:9999;box-shadow:var(--shadow-lg)}.roi-toast.show{opacity:1;transform:translate(-50%) translateY(0)}.roi-related-section{padding:80px 32px;background:var(--surface);border-top:1px solid var(--hairline)}.roi-related-title{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:-.03em;line-height:1.15;margin:12px 0 36px;color:var(--text-primary)}.roi-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;text-align:left}.roi-related-card{background:var(--bg);border:1px solid var(--hairline);border-top:3px solid var(--accent-600);border-radius:var(--radius-md);padding:28px 24px;text-decoration:none;color:inherit;transition:border-color var(--duration-base) var(--ease-out),background var(--duration-base) var(--ease-out)}.roi-related-card:hover{border-color:var(--accent-600);background:var(--accent-50)}.roi-related-card h3{font-size:18px;font-weight:700;margin:0 0 8px;color:var(--text-primary)}.roi-related-card p{font-size:14px;color:var(--text-secondary);line-height:1.65;margin:0}@media print{.roi-actions,.roi-toast,.roi-related-section,.hero{display:none}.roi-results{position:static}.roi-grid{grid-template-columns:1fr}}@media(max-width:768px){.roi-section,.roi-related-section{padding:64px 20px}.roi-related-grid{grid-template-columns:1fr}.roi-actions .btn-primary,.roi-actions .roi-secondary-btn{flex:1;justify-content:center}}