:root{--bg: #F6FBF7;--surface: #FFFFFF;--border: #E3F1E6;--tint: #CDEBD3;--primary: #2F7D5B;--on-primary: #FFFFFF;--primary-dark: #14452F;--accent: #F4E9A8;--text: #17261E;--muted: #5B6F63;--led-ok: #2BB673;--warn-bg: #FFF4E2;--warn-text: #7A4A00;--err-bg: #FDECEA;--err-text: #8A2F25;--glass-bg: rgba(255, 255, 255, .62);--glass-bg-strong: rgba(255, 255, 255, .82);--glass-border: rgba(20, 69, 47, .12);--glass-blur: 18px;--shadow-sm: 0 1px 2px rgba(20, 69, 47, .07);--shadow-md: 0 10px 28px -12px rgba(20, 69, 47, .22);--shadow-glow: 0 0 0 1px rgba(47, 125, 91, .1), 0 16px 40px -16px rgba(47, 125, 91, .38);--r-sm: 10px;--r-md: 16px;--r-lg: 26px;--r-pill: 999px;--font-ui: "Inter", "Hind Siliguri", system-ui, sans-serif;--font-bn: "Hind Siliguri", "Inter", system-ui, sans-serif;--font-digits: "JetBrains Mono", ui-monospace, monospace;--ease: cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth}html:lang(bn) body{font-family:var(--font-bn)}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-ui);font-size:16px;line-height:1.55;position:relative;min-height:100vh}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background-image:radial-gradient(circle at 12% 8%,rgba(47,125,91,.08),transparent 42%),radial-gradient(circle at 88% 0%,rgba(244,233,168,.18),transparent 38%),linear-gradient(var(--glass-border) 1px,transparent 1px),linear-gradient(90deg,var(--glass-border) 1px,transparent 1px);background-size:auto,auto,56px 56px,56px 56px;background-position:0 0,0 0,-1px -1px,-1px -1px;opacity:.55}a{color:var(--primary)}h1,h2,h3{margin:0 0 6px;color:var(--primary-dark);line-height:1.2}h1{font-size:28px;font-weight:800;letter-spacing:-.01em}h2{font-size:22px;font-weight:700}h3{font-size:17px;font-weight:700}p{margin:0 0 12px}.muted{color:var(--muted);font-size:14px}.lede{font-size:17px;color:var(--muted);max-width:46ch}.site{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.main{flex:1;padding-bottom:48px}.section{padding-top:56px;padding-bottom:56px}.section-head{max-width:640px;margin-bottom:28px}.section-head.row{max-width:none}.navbar{position:sticky;top:0;z-index:40;background:var(--glass-bg-strong);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--glass-border)}.navbar-inner{display:flex;align-items:center;gap:10px;height:60px}.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:16px;color:var(--primary-dark);text-decoration:none;cursor:pointer;background:none;border:0;padding:0;white-space:nowrap;flex-shrink:0}.brand-mark{width:34px;height:34px;flex-shrink:0}@media (max-width: 420px){.brand span{display:none}}@media (min-width: 760px){.navbar-inner{height:64px;gap:16px}.brand{font-size:18px}}.nav-links{display:none;gap:4px;margin-left:8px}.nav-link{font-size:14px;font-weight:600;color:var(--muted);background:none;border:0;padding:8px 12px;border-radius:var(--r-pill);cursor:pointer;transition:color .15s var(--ease),background-color .15s var(--ease)}.nav-link:hover,.nav-link[aria-current=page]{color:var(--primary-dark);background:var(--tint)}.navbar-spacer{flex:1}.navbar-actions{display:flex;align-items:center;gap:10px}@media (min-width: 760px){.nav-links{display:flex}}.user-chip{display:flex;align-items:center;gap:8px;background:var(--tint);border-radius:var(--r-pill);padding:4px 6px 4px 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var(--border);background:var(--surface);font:inherit;font-size:16px;color:var(--text);transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}input:focus-visible,input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #2f7d5b24}.check{display:flex;gap:10px;align-items:center;margin:14px 0;font-weight:400;font-size:14px;cursor:pointer}.check input{width:20px;height:20px;accent-color:var(--primary)}.card{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--r-lg);padding:22px;margin-bottom:16px;box-shadow:var(--shadow-sm);transition:box-shadow .2s var(--ease),border-color .2s var(--ease)}.card-interactive{cursor:pointer}.card-interactive:hover{box-shadow:var(--shadow-md);border-color:#2f7d5b38}.provider{width:100%;text-align:left;display:flex;flex-direction:column;gap:2px}.provider 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digit-in{0%{opacity:0;transform:translateY(.3em)}to{opacity:1;transform:translateY(0)}}ol{padding-left:22px;margin:0 0 12px}ol li{margin-bottom:4px}.hero{padding-top:48px;padding-bottom:24px;display:grid;gap:36px;align-items:center}.hero-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary-dark);background:var(--tint);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px}.hero h1{font-size:clamp(30px,5.4vw,46px);max-width:15ch}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.hero-demo{justify-self:center;width:100%;max-width:360px}@media (min-width: 880px){.hero{grid-template-columns:1.1fr .9fr}.hero-demo{justify-self:end}}.stat-row{display:flex;gap:22px;margin-top:26px;flex-wrap:wrap}.stat-row .num{font-family:var(--font-digits);font-size:22px;font-weight:700;color:var(--primary-dark)}.stat-row .lbl{font-size:13px;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:1fr;gap:14px}@media 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1fr}}.meter-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.meter-card-balance{font-family:var(--font-digits);font-size:28px;font-weight:700;color:var(--primary-dark);font-variant-numeric:tabular-nums}.empty-state{text-align:center;padding:40px 20px}.chart-wrap{position:relative}.chart-tooltip{position:absolute;pointer-events:none;background:var(--primary-dark);color:#fff;font-size:12px;padding:6px 10px;border-radius:var(--r-sm);transform:translate(-50%,-110%);white-space:nowrap;box-shadow:var(--shadow-md);font-variant-numeric:tabular-nums}.chart-table{width:100%;border-collapse:collapse;font-size:13px}.chart-table th,.chart-table td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--border);font-variant-numeric:tabular-nums}.chart-table th{color:var(--muted);font-weight:600}details.table-toggle summary{cursor:pointer;color:var(--primary);font-size:13px;font-weight:600;margin-top:8px}.site-footer{border-top:1px solid var(--glass-border);padding:28px 0 40px;margin-top:40px}.footer-grid{display:grid;gap:20px;grid-template-columns:1fr}@media (min-width: 640px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}.footer-links{display:flex;flex-direction:column;gap:6px}.footer-links a{color:var(--muted);font-size:14px;text-decoration:none}.footer-links a:hover{color:var(--primary-dark);text-decoration:underline}.footer-bottom{margin-top:24px;padding-top:16px;border-top:1px solid var(--glass-border);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}.tg-login-box{display:flex;justify-content:center;min-height:40px}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.btn,.card,input,.balance-digit{animation:none!important;transition:none!important}}.icon{flex-shrink:0;vertical-align:-.2em}.shrink{margin-top:2px}.nav-link{display:inline-flex;align-items:center;gap:6px}.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-md);border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--primary-dark);cursor:pointer;transition:background-color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease)}.icon-btn:hover{background:var(--tint);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.icon-btn:focus-visible{outline:3px solid var(--primary);outline-offset:2px}.user-avatar-ph{width:26px;height:26px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center}@media (max-width: 480px){.user-name{display:none}}.back-link{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:600}.back-link:hover{text-decoration:underline}.h-icon{display:flex;align-items:center;gap:8px}.h-icon .icon,.hero-eyebrow .icon{color:var(--primary)}.feature-icon{color:var(--primary-dark)}