:root{--bg: #f7f7f4;--bg-tint: #f0f4f1;--ink: #131a16;--ink-soft: #38423c;--muted: #66706a;--line: #e4e2d9;--line-soft: #eeece4;--green: #0c7a4d;--green-dark: #075c39;--green-bright: #14a368;--saffron: #e8731a;--saffron-soft: #fdeede;--blue: #1d5f96;--card: #ffffff;--soft: #eef6f1;--danger: #b3382c;--gold-grad: linear-gradient(135deg, #0c7a4d 0%, #14a368 100%);--radius: 16px;--radius-sm: 10px;--shadow-sm: 0 1px 2px rgba(19, 26, 22, .05), 0 1px 3px rgba(19, 26, 22, .06);--shadow-md: 0 4px 14px rgba(19, 26, 22, .08);--shadow-lg: 0 12px 34px rgba(12, 122, 77, .14);--font-ui: "Inter", system-ui, -apple-system, sans-serif;--font-hi: "Mukta", "Inter", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:16px/1.65 var(--font-ui);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}html[lang=hi] body{font-family:var(--font-hi);font-size:17px}img,svg{max-width:100%;display:block}a{color:var(--green);text-decoration:none;transition:color .15s}a:hover{color:var(--green-dark)}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.wrap-narrow{max-width:780px;margin:0 auto;padding:0 20px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.site-header{background:#ffffffe6;backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0}.brand{font-weight:800;font-size:21px;color:var(--ink);letter-spacing:-.025em;display:inline-flex;align-items:center;gap:2px}.brand b{color:var(--green);font-weight:800}.brand .dot{color:var(--saffron)}.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--gold-grad);display:inline-grid;place-items:center;color:#fff;font-weight:800;margin-right:7px;font-size:15px}.site-nav{display:flex;gap:6px;font-size:14.5px;font-weight:600;flex-wrap:wrap;align-items:center}.site-nav a{color:var(--ink-soft);padding:7px 12px;border-radius:8px}.site-nav a:hover{color:var(--green-dark);background:var(--soft)}.site-nav a.lang{border:1px solid var(--line)}h1{font-size:clamp(27px,4.4vw,39px);line-height:1.13;letter-spacing:-.02em;margin:26px 0 10px;font-weight:800}h2{font-size:clamp(21px,3vw,25px);margin:36px 0 12px;letter-spacing:-.015em;font-weight:700}h3{font-size:18px;margin:24px 0 8px;font-weight:700}.lede{color:var(--muted);font-size:17.5px;max-width:700px;line-height:1.6}.crumbs{font-size:13px;color:var(--muted);margin-top:18px;display:flex;gap:7px;flex-wrap:wrap}.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--green)}.calc-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin:22px 0;box-shadow:var(--shadow-md)}.calc-grid{display:grid;gap:18px}@media(min-width:720px){.calc-grid.two{grid-template-columns:1fr 1fr}.calc-grid.three{grid-template-columns:1fr 1fr 1fr}}.field{display:flex;flex-direction:column;gap:7px}.field label{font-size:13.5px;font-weight:600;color:var(--ink-soft)}.field input[type=number],.field input[type=text],.field select{font:600 17px var(--font-ui);padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--ink);width:100%;transition:border-color .15s,box-shadow .15s}.field input:focus,.field select:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px #0c7a4d21}.field input[type=range]{accent-color:var(--green);width:100%;height:6px}.field .hint{font-size:12px;color:var(--muted)}.field .rangeval{font-weight:700;color:var(--green-dark)}.seg{display:flex;border:1.5px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}.seg button{flex:1;padding:11px 8px;font:600 14px var(--font-ui);background:#fff;color:var(--muted);border:0;cursor:pointer;transition:all .15s}.seg button.active{background:var(--gold-grad);color:#fff}.results{background:linear-gradient(180deg,var(--soft),#fff);border:1px solid var(--line-soft);border-radius:13px;padding:20px 22px;margin-top:20px}.results .big-label{font-size:12.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}.results .big{font-size:clamp(28px,5.4vw,40px);font-weight:800;color:var(--green-dark);letter-spacing:-.025em;line-height:1.1;margin-top:2px;font-variant-numeric:tabular-nums}.results .row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed #cfe0d6;font-size:15px}.results .row:last-child{border-bottom:0}.results .row b{font-variant-numeric:tabular-nums;color:var(--ink)}.in-words{font-size:13px;color:var(--muted);margin-top:4px}table.data{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:16px 0}table.data th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#f2f1ea;padding:11px 14px;border-bottom:1px solid var(--line);font-weight:700}table.data td{padding:11px 14px;border-bottom:1px solid #f1efe7;font-variant-numeric:tabular-nums}table.data tr:last-child td{border-bottom:0}table.data tr:hover td{background:#fafbfa}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.article{margin-top:8px;font-size:16.5px;color:var(--ink-soft)}.article p{margin:13px 0}.article ul,.article ol{margin:13px 0 13px 22px}.article li{margin:7px 0}.article strong{color:var(--ink)}.formula{background:#fbfaf6;border:1px dashed var(--line);border-left:3px solid var(--green);border-radius:var(--radius-sm);padding:15px 18px;font-family:ui-monospace,JetBrains Mono,monospace;font-size:14.5px;margin:16px 0;overflow-x:auto}.faq-item{border-bottom:1px solid var(--line)}details.faq-item{padding:0}details.faq-item>summary{list-style:none;cursor:pointer;padding:16px 0;font-weight:700;font-size:16.5px;display:flex;justify-content:space-between;gap:12px;align-items:center}details.faq-item>summary::-webkit-details-marker{display:none}details.faq-item>summary:after{content:"+";color:var(--green);font-size:22px;font-weight:400;transition:transform .2s}details.faq-item[open]>summary:after{transform:rotate(45deg)}details.faq-item>div{padding:0 0 16px;color:var(--ink-soft);font-size:15.5px}.faq-item h3{margin:0 0 6px;font-size:16.5px}.disclaimer{font-size:12.5px;color:var(--ink-soft);background:var(--saffron-soft);border:1px solid #f4ddc4;border-radius:var(--radius-sm);padding:12px 15px;margin:20px 0}.related-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));margin:16px 0 30px}.related-grid a{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 17px;font-weight:700;font-size:14.5px;color:var(--ink);transition:all .15s}.related-grid a:hover{border-color:var(--green);box-shadow:var(--shadow-md);transform:translateY(-1px)}.related-grid a span{display:block;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:3px}.hero{background:radial-gradient(1200px 400px at 50% -120px,#e3f3ea 0%,transparent 70%);padding:52px 0 16px;text-align:center}.hero h1{max-width:800px;margin:0 auto 14px}.hero .lede{margin:0 auto}.hero-stats{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin:26px 0 6px}.hero-stats div{font-size:13px;color:var(--muted);font-weight:600}.hero-stats b{display:block;font-size:24px;color:var(--green-dark);font-weight:800;letter-spacing:-.02em}.hero-cta{display:inline-flex;gap:10px;margin-top:22px;flex-wrap:wrap;justify-content:center}.btn{display:inline-flex;align-items:center;gap:7px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:1.5px solid transparent}.btn-primary{background:var(--gold-grad);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{color:#fff;box-shadow:var(--shadow-lg);transform:translateY(-1px)}.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}.btn-ghost:hover{border-color:var(--green);color:var(--green-dark)}.cat-block{margin:38px 0}.cat-block>h2{display:flex;align-items:center;gap:10px}.cat-block>h2 .ico{width:30px;height:30px;border-radius:8px;background:var(--soft);display:inline-grid;place-items:center;font-size:16px}.tool-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));margin-top:16px}.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:19px;color:var(--ink);position:relative;transition:all .16s}.tool-card:hover{border-color:var(--green);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tool-card b{display:block;font-size:16px;margin-bottom:4px;font-weight:700}.tool-card span{font-size:13.5px;color:var(--muted);line-height:1.5}.badge,.tool-card .badge,.tool-card span.badge{display:inline-block;font:700 10px var(--font-ui);letter-spacing:.06em;text-transform:uppercase;color:#fff!important;background:#cf5f12;border-radius:999px;padding:4px 9px;margin-bottom:9px;line-height:1.4}.badge.green,.tool-card .badge.green{background:var(--green-dark);color:#fff!important}.trust-bar{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin:8px 0}.trust-bar div{font-size:13px;color:var(--ink-soft);font-weight:600;display:flex;align-items:center;gap:7px}.trust-bar .ok{color:var(--green);font-weight:800}.ad-slot{min-height:100px;margin:24px 0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}.ad-slot:after{content:"Advertisement";font-size:11px;color:#c2c8c4;letter-spacing:.08em;text-transform:uppercase}.site-footer{border-top:1px solid var(--line);background:var(--card);margin-top:60px;padding:40px 0 30px;font-size:14px}.foot-grid{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.foot-grid h4{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:11px;font-weight:700}.foot-grid a{display:block;color:var(--ink-soft);padding:4px 0}.foot-grid a:hover{color:var(--green)}.foot-legal{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px;line-height:1.7}.toc{background:var(--bg-tint);border:1px solid var(--line-soft);border-radius:var(--radius-sm);padding:14px 18px;margin:18px 0;font-size:14px}.toc b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px}.toc a{display:inline-block;margin:3px 14px 3px 0}.hidden{display:none!important}.center{text-align:center}.mt0{margin-top:0}.lang-toggle{display:inline-flex;border:1.5px solid var(--line);border-radius:999px;overflow:hidden;margin-left:6px}.lang-toggle a{padding:6px 13px;font-size:13px;font-weight:700;color:var(--muted);background:#fff}.lang-toggle a:hover{background:var(--soft);color:var(--green-dark)}.lang-toggle a.active{background:var(--gold-grad);color:#fff}:root{--font-ui: "Manrope", system-ui, -apple-system, sans-serif;--font-display: "Fraunces", Georgia, serif;--font-hi: "Mukta", "Manrope", sans-serif;--ring: 0 0 0 3px rgba(12,122,77,.14);--mesh: radial-gradient(900px 380px at 12% -8%, #e7f4ec 0%, transparent 60%), radial-gradient(700px 340px at 100% 0%, #fdeede 0%, transparent 55%)}body{font-family:var(--font-ui)}html[lang=hi] body{font-family:var(--font-hi)}h1,h2,h3,.brand{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em}h1,h2,h3{text-wrap:balance}.lede,.article p{text-wrap:pretty}.brand{font-weight:700;letter-spacing:-.02em}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.hero{background:var(--mesh);padding:0;text-align:left;position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}.hero:before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:46px 46px;opacity:.35;mask-image:radial-gradient(680px 360px at 30% 20%,#000 0%,transparent 80%)}.hero-grid{position:relative;z-index:1;display:grid;gap:32px;align-items:center;padding:48px 0 44px}@media(min-width:900px){.hero-grid{grid-template-columns:1.04fr .96fr;gap:46px;padding:72px 0 60px}}.hero-eyebrow{display:inline-flex;align-items:center;gap:6px;font:700 11.5px var(--font-ui);letter-spacing:.04em;text-transform:uppercase;color:var(--green-dark);background:#dff0e8;border:1px solid #c4e3d4;padding:5px 11px;border-radius:999px}.hero-copy{display:flex;flex-direction:column;align-items:flex-start}.hero-copy h1{font-size:clamp(32px,5.2vw,52px);line-height:1.07;margin:16px 0 14px;font-weight:600;text-align:left}.hero-copy h1 .accent{color:var(--green-dark);font-style:italic}.hero-copy .lede{font-size:clamp(16px,2vw,19px);max-width:560px}.hero-cta{justify-content:flex-start;margin-top:24px}.hero-chips{display:flex;gap:14px 22px;flex-wrap:wrap;margin-top:22px;justify-content:flex-start}@media(max-width:899px){.hero-grid{text-align:center}.hero-copy{align-items:center}.hero-copy h1{text-align:center}.hero-copy .lede{margin:0 auto}.hero-cta,.hero-chips{justify-content:center}}.hero-chips div{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);font-weight:600}.hero-chips svg{width:17px;height:17px;color:var(--green);flex:none}.preview-wrap{position:relative;display:grid;place-items:center}.preview-card{width:100%;max-width:380px;background:#ffffffdb;backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-lg);rotate:1.4deg;transition:rotate .4s,translate .4s}.preview-card:hover{rotate:0deg;translate:0 -4px}.preview-card .pc-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}.preview-card .pc-ico{width:38px;height:38px;border-radius:11px;background:var(--gold-grad);display:grid;place-items:center;color:#fff;flex:none}.preview-card .pc-ico svg{width:21px;height:21px}.preview-card .pc-title{font:700 14px var(--font-ui);color:var(--ink)}.preview-card .pc-sub{font:500 12px var(--font-ui);color:var(--muted)}.preview-card .pc-field{display:flex;justify-content:space-between;align-items:center;padding:11px 13px;border:1.5px solid var(--line);border-radius:11px;margin-bottom:10px;font:600 14px var(--font-ui)}.preview-card .pc-field span{color:var(--muted);font-weight:500}.preview-card .pc-result{background:linear-gradient(180deg,var(--soft),#fff);border:1px solid var(--line-soft);border-radius:13px;padding:15px 17px;margin-top:4px}.preview-card .pc-result .l{font:700 11px var(--font-ui);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.preview-card .pc-result .v{font-family:var(--font-display);font-size:31px;font-weight:600;color:var(--green-dark);letter-spacing:-.02em}.preview-card .pc-bar{height:7px;border-radius:99px;margin-top:12px;overflow:hidden;background:#e6f1ea}.preview-card .pc-bar i{display:block;height:100%;width:72%;background:var(--gold-grad);border-radius:99px}.preview-float{position:absolute;background:#fff;border:1px solid var(--line);border-radius:13px;padding:9px 13px;box-shadow:var(--shadow-md);font:700 13px var(--font-ui);color:var(--ink);display:flex;align-items:center;gap:8px}.preview-float svg{width:16px;height:16px;color:var(--green)}.preview-float.f1{top:-14px;right:6px;rotate:-4deg}.preview-float.f2{bottom:-16px;left:0;rotate:3deg}@media(max-width:899px){.preview-float{display:none}.preview-card{rotate:0deg;margin-top:6px}}.cat-block{content-visibility:auto;contain-intrinsic-size:auto 480px}.cat-head{display:flex;align-items:center;gap:12px;margin:44px 0 4px}.cat-head .c-ico{width:36px;height:36px;border-radius:10px;background:var(--soft);color:var(--green-dark);display:grid;place-items:center;flex:none}.cat-head .c-ico svg{width:20px;height:20px}.cat-head h2{margin:0;font-size:clamp(20px,3vw,26px)}.cat-head .c-count{margin-left:auto;font:600 12px var(--font-ui);color:var(--muted)}.tool-grid{gap:16px}.tool-card{display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:start;padding:18px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(#fff,#fff) padding-box,linear-gradient(180deg,var(--line),transparent) border-box;position:relative;transition:translate .16s,box-shadow .16s,border-color .16s}.tool-card:hover{translate:0 -3px;box-shadow:var(--shadow-md);border-color:#cfe3d8}.tool-card .icon-tile{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;flex:none;background:var(--soft);color:var(--green-dark);transition:background .16s,color .16s}.tool-card .icon-tile svg{width:23px;height:23px}.tool-card:hover .icon-tile{background:var(--gold-grad);color:#fff}.tool-card .tc-body{min-width:0}.tool-card b{font:700 15.5px var(--font-ui);display:block;margin-bottom:3px}.tool-card span{font-size:13px}.tool-card .arrow{position:absolute;top:18px;right:16px;color:var(--line);transition:color .16s,translate .16s}.tool-card:hover .arrow{color:var(--green);translate:3px 0}.tool-card .badge{position:static;align-self:start;margin:0 0 6px}.tool-card .tc-body{display:flex;flex-direction:column}.tool-card:has(.badge) .arrow{display:none}.hero-eyebrow{font-size:11.5px;padding:5px 11px;gap:6px}.hero-eyebrow svg{width:14px;height:14px}.field label{white-space:nowrap}html{overflow-x:clip}body{overflow-x:clip;max-width:100%}img,svg,video,iframe{max-width:100%}.results .big{overflow-wrap:anywhere}.nav-toggle-cb,.hamburger{display:none}.brand{order:1}.site-nav{order:2}.lang-toggle{order:3}@media(max-width:720px){.site-header .bar{position:relative;flex-wrap:nowrap;gap:10px}.lang-toggle{order:2;margin-left:auto}.hamburger{order:3;display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer;color:var(--ink)}.hamburger svg{width:23px;height:23px}.hamburger .ico-close{display:none}.nav-toggle-cb:checked~.hamburger .ico-open{display:none}.nav-toggle-cb:checked~.hamburger .ico-close{display:block}.nav-toggle-cb:focus-visible~.hamburger{box-shadow:var(--ring)}.site-nav{order:4;display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;flex-direction:column;gap:0;background:var(--card);border-top:1px solid var(--line);box-shadow:var(--shadow-md);padding:6px 18px 12px}.nav-toggle-cb:checked~.site-nav{display:flex}.site-nav a{padding:13px 4px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-soft);border-radius:0;background:transparent}.site-nav a:last-child{border-bottom:0}.site-nav a:hover{background:transparent;color:var(--green-dark)}}.hero-chips .ok{color:var(--green)}