@font-face{font-family:Noto Sans Bengali;font-style:normal;font-weight:400;font-stretch:100%;font-display:swap;src:url(../media/6ea8d1bb8ea4af7a-s.p.1kk_wfe381bov.woff2)format("woff2");unicode-range:U+951-952,U+964-965,U+980-9FE,U+1CD0,U+1CD2,U+1CD5-1CD6,U+1CD8,U+1CE1,U+1CEA,U+1CED,U+1CF2,U+1CF5-1CF7,U+200C-200D,U+20B9,U+25CC,U+A8F1,U+11DF0-11DF1}@font-face{font-family:Noto Sans Bengali;font-style:normal;font-weight:400;font-stretch:100%;font-display:swap;src:url(../media/c389de3e93f2f431-s.3jx8vb1_r7wrf.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Noto Sans Bengali;font-style:normal;font-weight:400;font-stretch:100%;font-display:swap;src:url(../media/70c15719a04fff13-s.376yc-xi7tht7.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Noto Sans Bengali;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(../media/6ea8d1bb8ea4af7a-s.p.1kk_wfe381bov.woff2)format("woff2");unicode-range:U+951-952,U+964-965,U+980-9FE,U+1CD0,U+1CD2,U+1CD5-1CD6,U+1CD8,U+1CE1,U+1CEA,U+1CED,U+1CF2,U+1CF5-1CF7,U+200C-200D,U+20B9,U+25CC,U+A8F1,U+11DF0-11DF1}@font-face{font-family:Noto Sans Bengali;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(../media/c389de3e93f2f431-s.3jx8vb1_r7wrf.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Noto Sans Bengali;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(../media/70c15719a04fff13-s.376yc-xi7tht7.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Noto Sans Bengali Fallback;src:local(Arial);ascent-override:86.24%;descent-override:38.37%;line-gap-override:0.0%;size-adjust:106.33%}.noto_sans_bengali_d0162c45-module__rccrFG__className{font-family:Noto Sans Bengali,Noto Sans Bengali Fallback;font-style:normal}.noto_sans_bengali_d0162c45-module__rccrFG__variable{--font-roi-bengali:"Noto Sans Bengali", "Noto Sans Bengali Fallback"}
.roi{--navy-900:#04182d;--navy-800:#08243f;--navy-700:#103352;--navy-600:#1a4a76;--brand-700:#155c1e;--brand-600:#1a6b24;--brand-500:#49ac37;--brand-400:#6bbe3f;--brand-300:#9dcc24;--brand-100:#e3f4dc;--green-700:#155c1e;--green-600:#1f7a2b;--green-500:#49ac37;--green-100:#e3f4dc;--blue-600:#1a6fa8;--blue-500:#278dd5;--bg:#f3f6fa;--surface:#fff;--surface-2:#e9eff6;--surface-sunk:#f7fafd;--ink:#08243f;--ink-2:#3a5570;--ink-muted:#6a7f98;--line:#d8e2ed;--line-strong:#becdde;--danger:#b4472e;--chart-curve:#2e9236;--chart-zero:#1a6fa8;--chart-free:#49ac372b;--chart-loss:#08243f0e;--chart-grid:#e2e9f2;--chart-fill:#b4472e21;--radius-lg:18px;--radius-md:12px;--radius-sm:8px;--shadow:0 1px 2px #071a2f0d, 0 10px 30px -12px #071a2f29;--f-display:var(--font-eb-display), var(--font-roi-bengali), system-ui, sans-serif;--f-body:var(--font-eb-sans), var(--font-roi-bengali), system-ui, sans-serif;--f-mono:var(--font-eb-mono), ui-monospace, monospace;--f-bengali:var(--font-roi-bengali), var(--font-eb-sans), system-ui, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:var(--bg);color:var(--ink);font-family:var(--f-body);-webkit-font-smoothing:antialiased;line-height:1.5}@media (prefers-color-scheme:dark){.roi:not([data-theme=light]){--bg:#06121f;--surface:#0d2036;--surface-2:#152e49;--surface-sunk:#0a1b2d;--ink:#e6eef8;--ink-2:#b2c4d8;--ink-muted:#8497ae;--line:#1c3652;--line-strong:#27466a;--brand-100:#12331a;--green-100:#12331a;--chart-grid:#16304c;--chart-curve:#6bbe3f;--chart-zero:#7fb8e6;--chart-loss:#ffffff09;--chart-free:#6bbe3f33;--chart-fill:#d66e5029;--shadow:0 1px 2px #0006, 0 12px 34px -14px #0009;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}.roi[data-theme=dark]{--bg:#06121f;--surface:#0d2036;--surface-2:#152e49;--surface-sunk:#0a1b2d;--ink:#e6eef8;--ink-2:#b2c4d8;--ink-muted:#8497ae;--line:#1c3652;--line-strong:#27466a;--brand-100:#12331a;--green-100:#12331a;--chart-grid:#16304c;--chart-curve:#6bbe3f;--chart-zero:#7fb8e6;--chart-loss:#ffffff09;--chart-free:#6bbe3f33;--chart-fill:#d66e5029;--shadow:0 1px 2px #0006, 0 12px 34px -14px #0009;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.roi *,.roi :before,.roi :after{box-sizing:border-box}.roi .wrap{padding-block:28px 56px;max-width:1180px;margin:0 auto;padding-left:18px;padding-right:18px}.roi .head{flex-wrap:wrap;align-items:flex-start;gap:16px;margin-bottom:22px;display:flex}.roi .mark{border-radius:var(--radius-md);border:1px solid var(--line);background:#fff;flex:none;padding:9px 13px}.roi .mark img{width:200px;height:auto;display:block}@media (max-width:520px){.roi .mark img{width:164px}}.roi .head-txt{flex:320px;min-width:0}.roi .themetog{background:var(--surface-2);border:1px solid var(--line);border-radius:999px;align-self:center;gap:2px;margin-left:auto;padding:3px;display:inline-flex}.roi .themetog button{font:inherit;letter-spacing:.01em;color:var(--ink-muted);cursor:pointer;background:0 0;border:0;border-radius:999px;align-items:center;gap:5px;padding:6px 12px;font-size:.72rem;font-weight:600;line-height:1;transition:background .15s,color .15s;display:inline-flex}.roi .themetog button:hover{color:var(--ink-2)}.roi .themetog button svg{width:13px;height:13px;display:block}.roi .themetog button[aria-pressed=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #071a2f29}.roi[data-theme=dark] .themetog button[aria-pressed=true]{box-shadow:0 1px 3px #00000080}@media (max-width:560px){.roi .themetog{margin-left:0}.roi .themetog button{padding:6px 9px;font-size:.68rem}}.roi h1{font-family:var(--f-display);letter-spacing:-.025em;text-wrap:balance;margin:0;font-size:clamp(1.45rem,3.4vw,1.9rem);font-weight:700;line-height:1.2}.roi .bn{font-family:var(--f-bengali);color:var(--ink-2);margin:5px 0 0;font-size:.95rem}.roi .en{color:var(--ink-muted);max-width:62ch;margin:3px 0 0;font-size:.87rem}.roi .head-rule{background:linear-gradient(90deg, var(--brand-300) 0, var(--brand-500) 42px, var(--blue-500) 92px, var(--line) 120px);border-radius:2px;height:3px;margin-bottom:26px}.roi .cols{grid-template-columns:minmax(0,380px) minmax(0,1fr);align-items:start;gap:22px;display:grid}@media (max-width:900px){.roi .cols{grid-template-columns:minmax(0,1fr)}}.roi .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px}.roi .panel+.panel{margin-top:18px}.roi .panel-head{justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;display:flex}.roi 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select{font-family:var(--f-body);appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%), linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);background-position:calc(100% - 17px) calc(50% + 1px),calc(100% - 12px) calc(50% + 1px);background-repeat:no-repeat;background-size:5px 5px,5px 5px;padding-right:32px}.roi select option,.roi select optgroup{background:var(--surface);color:var(--ink)}.roi input:focus-visible,.roi select:focus-visible,.roi button:focus-visible,.roi a:focus-visible,.roi .seg label:focus-within{outline:2px solid var(--brand-500);outline-offset:2px}.roi .affix{position:relative}.roi .affix input{padding-right:52px}.roi .affix .unit{color:var(--ink-muted);pointer-events:none;font-size:.75rem;font-family:var(--f-mono);position:absolute;top:50%;right:11px;transform:translateY(-50%)}.roi .seg{background:var(--surface-2);border-radius:var(--radius-sm);grid-template-columns:1fr 1fr;gap:4px;padding:4px;display:grid}.roi .seg input{opacity:0;pointer-events:none;position:absolute}.roi .seg label{text-align:center;cursor:pointer;color:var(--ink-2);border-radius:6px;margin:0;padding:7px 6px;font-size:.83rem;font-weight:500;transition:background .15s,color .15s}.roi .seg input:checked+label{background:var(--navy-800);color:#fff;font-weight:600}.roi[data-theme=dark] .seg input:checked+label{background:var(--brand-500);color:var(--navy-900)}@media (prefers-color-scheme:dark){.roi:not([data-theme=light]) .seg input:checked+label{background:var(--brand-500);color:var(--navy-900)}}.roi input[type=range]{appearance:none;background:0 0;width:100%;margin:6px 0 0}.roi input[type=range]::-webkit-slider-runnable-track{background:var(--surface-2);border:1px solid var(--line);border-radius:3px;height:5px}.roi input[type=range]::-moz-range-track{background:var(--surface-2);border:1px solid var(--line);border-radius:3px;height:5px}.roi input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--brand-500);border:2px solid var(--surface);cursor:pointer;border-radius:50%;width:17px;height:17px;margin-top:-7px;box-shadow:0 1px 4px #071a2f59}.roi input[type=range]::-moz-range-thumb{background:var(--brand-500);border:2px solid var(--surface);cursor:pointer;border-radius:50%;width:17px;height:17px}.roi .rangerow{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.roi .rangeval{font-family:var(--f-mono);color:var(--brand-600);font-size:.84rem;font-weight:600}.roi[data-theme=dark] .rangeval{color:var(--brand-400)}@media (prefers-color-scheme:dark){.roi:not([data-theme=light]) .rangeval{color:var(--brand-400)}}.roi .hint{color:var(--ink-muted);margin:5px 0 0;font-size:.74rem}.roi .hint b{font-family:var(--f-mono);color:var(--ink-2);font-weight:600}.roi .linkbtn{font:inherit;color:var(--brand-600);cursor:pointer;text-underline-offset:2px;background:0 0;border:0;padding:0;font-size:.78rem;text-decoration:underline}.roi[data-theme=dark] .linkbtn{color:var(--brand-400)}@media (prefers-color-scheme:dark){.roi:not([data-theme=light]) .linkbtn{color:var(--brand-400)}}.roi .tinfo{color:var(--ink-2);background:var(--brand-100);border-radius:var(--radius-sm);margin-top:8px;padding:8px 10px;font-size:.76rem}.roi .tinfo b{font-family:var(--f-mono)}.roi .refwrap{border:1px solid var(--line);border-radius:var(--radius-sm);max-height:320px;margin-top:8px;overflow:auto}.roi .refwrap table{border-collapse:collapse;width:100%;font-size:.76rem}.roi .refwrap th{background:var(--navy-800);color:#fff;text-align:left;padding:7px 9px;font-weight:600;position:sticky;top:0}.roi .refwrap th:nth-child(2){text-align:center}.roi .refwrap th:nth-child(3),.roi .refwrap th:nth-child(4){text-align:right}.roi .refwrap td{border-top:1px solid var(--line);padding:6px 9px}.roi .refwrap td:nth-child(2){text-align:center;color:var(--ink-muted)}.roi .refwrap td:nth-child(3),.roi .refwrap td:nth-child(4){text-align:right;font-family:var(--f-mono);font-variant-numeric:tabular-nums}.roi .refwrap td:nth-child(4){color:var(--ink-muted)}.roi .refwrap tr.grp td{background:var(--surface-2);color:var(--ink);letter-spacing:.03em;font-size:.73rem;font-weight:600}.roi .refwrap .tiers{color:var(--ink-muted);font-size:.66rem;font-family:var(--f-body);display:block}.roi .note{color:var(--ink-muted);border-top:1px solid var(--line);margin:16px 0 0;padding-top:12px;font-size:.74rem}.roi .resetbtn{color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;margin-top:10px;padding:7px 12px;font-size:.78rem;font-weight:500}.roi .resetbtn:hover{border-color:var(--line-strong)}.roi .stats{grid-template-columns:1fr 1fr;gap:14px;display:grid}@media (max-width:560px){.roi .stats{grid-template-columns:1fr}}.roi .stat{border-radius:var(--radius-lg);padding:20px;position:relative;overflow:hidden}.roi .stat.payback{background:var(--navy-800);color:#fff}.roi .stat.roi-card{color:#fff;background:linear-gradient(135deg,#155c1e 0%,#2e9236 58%,#49ac37 100%)}.roi .stat.roi-card:before{content:"";background:var(--brand-300);height:3px;position:absolute;inset:0 0 auto}.roi .stat .k{letter-spacing:.15em;text-transform:uppercase;opacity:.72;font-size:.66rem;font-weight:600}.roi .stat .v{font-family:var(--f-display);letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin-top:8px;font-size:clamp(1.75rem,4.6vw,2.35rem);font-weight:700;line-height:1.05}.roi .stat .s{opacity:.78;margin-top:4px;font-size:.8rem}.roi .stat:after{content:"";background:#ffffff12;border-radius:50%;width:132px;height:132px;position:absolute;bottom:-46px;right:-38px}.roi .stat.roi-card:after{background:#ffffff17}.roi .chartcard{margin-top:18px}.roi .chartcard h2,.roi .tablecard h2{font-family:var(--f-display);letter-spacing:-.015em;margin:0;font-size:1.02rem;font-weight:600;line-height:1.3}.roi 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.lakh{font-family:var(--f-body);color:var(--ink-muted);margin-top:1px;font-size:.76rem;font-weight:400;display:block}.roi .kpi.accent .v{color:var(--green-600)}.roi[data-theme=dark] .kpi.accent .v{color:var(--green-500)}@media (prefers-color-scheme:dark){.roi:not([data-theme=light]) .kpi.accent .v{color:var(--green-500)}}.roi .tablecard{margin-top:18px}.roi .tscroll{border:1px solid var(--line);border-radius:var(--radius-md);max-height:460px;overflow:auto}.roi table.yr{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.79rem}.roi table.yr th{z-index:1;background:var(--surface-2);color:var(--ink-2);letter-spacing:.1em;text-transform:uppercase;text-align:right;white-space:nowrap;border-bottom:1px solid var(--line);padding:9px 12px;font-size:.66rem;font-weight:600;position:sticky;top:0}.roi table.yr th:first-child{text-align:left}.roi table.yr td{text-align:right;white-space:nowrap;border-top:1px solid var(--line);font-family:var(--f-mono);padding:8px 12px}.roi table.yr td:first-child{text-align:left;font-family:var(--f-body);color:var(--ink-2)}.roi table.yr tr.pay td{background:var(--brand-100);font-weight:600}.roi table.yr tr.pay td:first-child:after{content:" · payback";color:var(--brand-600);font-size:.68rem;font-weight:600}.roi td.neg{color:var(--danger)}.roi td.pos{color:var(--green-600)}.roi[data-theme=dark] td.pos{color:var(--green-500)}@media (prefers-color-scheme:dark){.roi:not([data-theme=light]) td.pos{color:var(--green-500)}}.roi .actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.roi .btn{font:inherit;border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;align-items:center;gap:7px;padding:11px 18px;font-size:.86rem;font-weight:600;text-decoration:none;display:inline-flex}.roi .btn.primary{background:var(--navy-800);color:#fff}.roi .btn.primary:hover{background:var(--navy-700)}.roi .btn.accent{background:var(--brand-500);color:#06240a}.roi .btn.accent:hover{background:var(--brand-400)}.roi .btn .num{font-family:var(--f-mono);opacity:.86;font-weight:600}.roi .printhint{color:var(--ink-muted);margin:8px 0 0;font-size:.74rem}.roi .printhint.warn{color:var(--danger)}.roi .printhint kbd{font-family:var(--f-mono);background:var(--surface-2);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:1px 5px;font-size:.72rem}.roi .btn.ghost{color:var(--ink);border-color:var(--line-strong);background:0 0}.roi .btn.ghost:hover{background:var(--surface-2)}.roi .disclaimer{color:var(--ink-muted);max-width:78ch;margin:16px 0 0;font-size:.75rem}.roi .print-only{display:none}.roi .print-only h2{font-family:var(--f-display);margin:0 0 8px;font-size:1rem}.roi .print-only ul{color:var(--ink-2);margin:0;padding-left:18px;font-size:.8rem;line-height:1.7;list-style:outside}@media print{.roi{background:#fff}.roi .wrap{max-width:none;padding:0}.roi .noprint{display:none!important}.roi .print-only{margin-top:22px;display:block}.roi .panel,.roi .kpis{box-shadow:none}.roi .tscroll{max-height:none;overflow:visible}.roi .cols{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.roi *{transition:none!important;animation:none!important}}html[lang=bn] .roi{--f-mono:var(--font-eb-mono), var(--font-roi-bengali), ui-monospace, monospace}html[lang=bn] .roi :is(h1,h2,.eyebrow,.badge,.stat .k,.stat .v,.tip .ty,table.yr th,.refwrap tr.grp td,.themetog button){letter-spacing:normal}html[lang=bn] .roi h1{line-height:1.35}html[lang=bn] .roi .bn{max-width:62ch;line-height:1.6}