.roi-section{padding:72px 0}.roi-section-alt{padding:72px 0;background:var(--bg-section)}.roi-section-head{margin-bottom:48px}.roi-section-head .label{display:inline-flex;margin-bottom:10px}.roi-section-head h2{font-size:clamp(26px,3.5vw,38px);font-weight:700;letter-spacing:-.025em;color:var(--text-dark);line-height:1.15}.roi-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--card-shadow)}.roi-card-label{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--text-light);letter-spacing:.1em;text-transform:uppercase;margin-bottom:26px}.roi-calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}@media(max-width:820px){.roi-calc-grid{grid-template-columns:1fr}}.roi-slider-group{display:flex;flex-direction:column;gap:26px}.roi-slider-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:9px}.roi-slider-lbl{font-size:14px;font-weight:500;color:var(--text-dark)}.roi-slider-val{font-family:var(--font-mono);font-size:13px;font-weight:600;color:#a07b00;background:#f5c4001f;padding:2px 10px;border-radius:100px;white-space:nowrap}input[type=range].roi-range{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;outline:none;cursor:pointer;background:linear-gradient(to right,var(--yellow) 0%,var(--border) 0%);transition:background .05s}input[type=range].roi-range::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--yellow);cursor:pointer;box-shadow:0 2px 8px #f5c40073;transition:transform .15s,box-shadow .15s}input[type=range].roi-range::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 4px 14px #f5c40099}input[type=range].roi-range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;border:none;background:var(--yellow);cursor:pointer;box-shadow:0 2px 8px #f5c40073}.roi-result-main{background:var(--text-dark);border-radius:var(--radius-lg);padding:28px 30px;margin-bottom:14px;position:relative;overflow:hidden}.roi-result-main:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(245,196,0,.2),transparent 55%);pointer-events:none}.roi-result-lbl{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#ffffff61;margin-bottom:6px}.roi-result-big{font-family:var(--font-sans);font-size:clamp(34px,4.5vw,50px);font-weight:700;color:var(--yellow);letter-spacing:-.025em;line-height:1;margin-bottom:4px}.roi-result-note{font-size:12px;color:#ffffff59}.roi-result-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}.roi-mini{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);padding:15px 18px}.roi-mini-lbl{font-family:var(--font-mono);font-size:10px;color:var(--text-light);letter-spacing:.07em;text-transform:uppercase;margin-bottom:4px}.roi-mini-val{font-family:var(--font-sans);font-size:19px;font-weight:700;color:var(--text-dark);letter-spacing:-.015em}.roi-5yr{display:flex;justify-content:space-between;align-items:center;background:#f5c40012;border:1px solid rgba(245,196,0,.22);border-radius:var(--radius-md);padding:15px 20px}.roi-5yr-lbl{font-family:var(--font-mono);font-size:11px;color:var(--text-medium);letter-spacing:.05em}.roi-5yr-val{font-family:var(--font-sans);font-size:20px;font-weight:700;color:var(--text-dark);letter-spacing:-.015em}.roi-payback-grid{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}@media(max-width:820px){.roi-payback-grid{grid-template-columns:1fr}}.roi-chart-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 24px 16px;box-shadow:var(--card-shadow)}.roi-chart-heading{font-size:14px;font-weight:600;color:var(--text-dark);margin-bottom:4px}.roi-chart-sub{font-size:12px;color:var(--text-light);margin-bottom:16px}canvas.roi-canvas{width:100%;display:block}.roi-payback-stats{display:flex;flex-direction:column;gap:14px}.roi-stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px 26px;box-shadow:var(--card-shadow)}.roi-stat-lbl{font-family:var(--font-mono);font-size:10px;color:var(--text-light);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}.roi-stat-val{font-family:var(--font-sans);font-size:28px;font-weight:700;color:var(--text-dark);letter-spacing:-.02em;line-height:1.1}.roi-stat-val.yellow{color:var(--yellow)}.roi-invest-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--card-shadow)}.roi-bar-wrap{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--card-shadow)}