@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:600;src:url(./source-serif-4-latin-600-normal.DouSKlru.woff2)format("woff2"),url(./source-serif-4-latin-600-normal.DeJomR3S.woff)format("woff")}@font-face{font-family:"Source Serif 4";font-style:normal;font-display:swap;font-weight:700;src:url(./source-serif-4-latin-700-normal.CGGdTIBe.woff2)format("woff2"),url(./source-serif-4-latin-700-normal.C30JPKlG.woff)format("woff")}@font-face{font-family:Noto Serif Bengali;font-style:normal;font-display:swap;font-weight:600;src:url(./noto-serif-bengali-bengali-600-normal.jwrC8Xkm.woff2)format("woff2"),url(./noto-serif-bengali-bengali-600-normal.Cucr9sKi.woff)format("woff")}@font-face{font-family:Noto Serif Bengali;font-style:normal;font-display:swap;font-weight:700;src:url(./noto-serif-bengali-bengali-700-normal.D6heRmtL.woff2)format("woff2"),url(./noto-serif-bengali-bengali-700-normal.DaRhl6HF.woff)format("woff")}@font-face{font-family:Hind Siliguri;font-style:normal;font-display:swap;font-weight:400;src:url(./hind-siliguri-latin-400-normal.esES0U7a.woff2)format("woff2"),url(./hind-siliguri-latin-400-normal.B2m00w2e.woff)format("woff")}@font-face{font-family:Hind Siliguri;font-style:normal;font-display:swap;font-weight:600;src:url(./hind-siliguri-latin-600-normal.DHrLfb92.woff2)format("woff2"),url(./hind-siliguri-latin-600-normal.Cgt-s7Wl.woff)format("woff")}@font-face{font-family:Hind Siliguri;font-style:normal;font-display:swap;font-weight:400;src:url(./hind-siliguri-bengali-400-normal.rHQ7AW0H.woff2)format("woff2"),url(./hind-siliguri-bengali-400-normal.qtENw2Fc.woff)format("woff")}@font-face{font-family:Hind Siliguri;font-style:normal;font-display:swap;font-weight:600;src:url(./hind-siliguri-bengali-600-normal.DLZF4s8q.woff2)format("woff2"),url(./hind-siliguri-bengali-600-normal.D_VSXRuy.woff)format("woff")}:root{--royal-blue:#000064;--sky-blue:#00c0f4;--yellow:#f4c800;--black:#201c1c;--gray:#787878;--white:#fff;--gray-dark:#5e5e5e;--gray-light:#d9d9d9;--sky-tint:#e6f9fe;--alert-red:#d40000;--serif:"Source Serif 4", "Noto Serif Bengali", Georgia, serif;--sans:"Hind Siliguri", "Noto Sans Bengali", system-ui, sans-serif;--space-2:8px;--space-4:16px;--space-8:32px;--space-16:64px;--radius-sm:4px;--radius-md:8px;--radius-lg:16px;--page-width:1120px;--gutter:var(--space-8);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (width<=640px){:root{--gutter:var(--space-4)}}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--white);color:var(--black);font:400 16px/26px var(--sans);margin:0}h1,h2,h3,p,ul,ol,dl,dd,figure,blockquote{margin:0}ul,ol{padding:0;list-style:none}h1,h2,h3{font-family:var(--serif);color:var(--royal-blue);text-wrap:balance}.display,h1,h2{font-size:36px;font-weight:700;line-height:44px}h3{font-size:24px;font-weight:600;line-height:32px}@media (width>=900px){.display{font-size:56px;line-height:64px}}.small{font-size:14px;line-height:22px}.quiet{color:var(--gray-dark)}.label{font-size:13px;font-weight:600;line-height:18px}a{color:var(--royal-blue);text-underline-offset:3px}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--royal-blue);outline-offset:2px}.on-royal :focus-visible{outline-color:var(--white)}.wrap{width:min(var(--page-width), 100%);padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:var(--space-16)}.section+.section{border-top:1px solid var(--gray-light)}.section-head{max-width:42em;margin-bottom:var(--space-8)}.section-head p{margin-top:var(--space-4)}.on-royal{background:var(--royal-blue);color:var(--white)}.on-royal h1,.on-royal h2,.on-royal h3{color:var(--white)}.on-tint{background:var(--sky-tint);color:var(--royal-blue)}.btn{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--radius-md);min-height:48px;font:600 13px/18px var(--sans);text-align:center;cursor:pointer;border:1px solid #0000;padding:12px 24px;text-decoration:none;display:inline-flex}.btn-primary{background:var(--royal-blue);color:var(--white)}.btn-highlight{background:var(--yellow);color:var(--royal-blue)}.btn-light{background:var(--white);color:var(--royal-blue)}.btn-outline{background:var(--white);border-color:var(--royal-blue);color:var(--royal-blue)}.btn:disabled{cursor:not-allowed;background:var(--white);border-color:var(--gray-light);color:var(--gray-dark)}.btn:not(:disabled):hover{text-underline-offset:3px;text-decoration:underline}.btn-row{gap:var(--space-4);flex-wrap:wrap;display:flex}.text-link{align-items:center;gap:var(--space-2);font:600 13px/18px var(--sans);display:inline-flex}.card{padding:var(--space-8);background:var(--white);border:1px solid var(--gray-light);border-radius:var(--radius-md)}@media (width<=640px){.card{padding:var(--space-4)}}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{left:var(--space-4);z-index:30;position:absolute;top:-64px}.skip-link:focus{top:var(--space-2)}.wordmark.svelte-10y6uor{flex-shrink:0;display:inline-block}img.svelte-10y6uor{width:144px;height:auto;display:block}.white.svelte-10y6uor{padding:var(--space-2);background:var(--white);border-radius:var(--radius-sm)}main.svelte-zaufm0{flex-direction:column;min-height:100dvh;display:flex;position:relative;overflow:hidden}.arcs.svelte-zaufm0{width:440px;height:440px;position:absolute;bottom:0;right:0}.bar.svelte-zaufm0{justify-content:space-between;align-items:center;gap:var(--space-4);padding-block:var(--space-4);display:flex;position:relative}.language.svelte-zaufm0{align-items:center;gap:var(--space-2);padding:var(--space-2);background:var(--sky-tint);border-radius:var(--radius-sm);font:600 13px/18px var(--sans);color:var(--royal-blue);white-space:nowrap;text-decoration:none;display:inline-flex}.language.svelte-zaufm0:hover{background:var(--white)}.copy.svelte-zaufm0{padding-block:var(--space-16);margin-block:auto;position:relative}.promise.svelte-zaufm0{max-width:24em;margin-block:var(--space-4);font:600 24px/32px var(--serif);color:var(--yellow)}@media (width<=800px){.arcs.svelte-zaufm0{width:220px;height:220px}.copy.svelte-zaufm0{padding-block:var(--space-8) 220px}}footer.svelte-jz8lnl{padding-block:var(--space-16) var(--space-8)}.grid.svelte-jz8lnl{gap:var(--space-8);grid-template-columns:1.5fr 1fr 1fr 1fr;display:grid}.promise.svelte-jz8lnl{margin-top:var(--space-2);max-width:16em;font:600 24px/32px var(--serif)}.heading.svelte-jz8lnl{margin-bottom:var(--space-4);color:var(--sky-blue)}li.svelte-jz8lnl+li:where(.svelte-jz8lnl){margin-top:var(--space-2)}a.svelte-jz8lnl{color:var(--white)}.legal.svelte-jz8lnl{margin-top:var(--space-8);padding-top:var(--space-4);border-top:1px solid var(--sky-blue);color:var(--white)}.copyright.svelte-jz8lnl{margin-top:var(--space-2);color:var(--sky-blue)}@media (width<=860px){.grid.svelte-jz8lnl{grid-template-columns:1fr 1fr}.brand.svelte-jz8lnl{grid-column:1/-1}}@media (width<=480px){.grid.svelte-jz8lnl{grid-template-columns:1fr}}header.svelte-1elxaub{z-index:20;background:var(--white);border-bottom:1px solid var(--gray-light);position:sticky;top:0}.bar.svelte-1elxaub{align-items:center;gap:var(--space-8);min-height:72px;display:flex}nav.svelte-1elxaub{margin-inline-start:auto}nav.svelte-1elxaub ul:where(.svelte-1elxaub){gap:var(--space-4);display:flex}nav.svelte-1elxaub a:where(.svelte-1elxaub),.language.svelte-1elxaub{padding-block:var(--space-2);font:600 13px/18px var(--sans);white-space:nowrap;text-decoration:none}nav.svelte-1elxaub a:where(.svelte-1elxaub){color:var(--gray-dark);border-bottom:2px solid #0000;display:block}nav.svelte-1elxaub a:where(.svelte-1elxaub):hover{color:var(--royal-blue)}.language.svelte-1elxaub{align-items:center;gap:var(--space-2);padding-inline:var(--space-2);background:var(--sky-tint);border:1px solid var(--royal-blue);border-radius:var(--radius-sm);color:var(--royal-blue);display:inline-flex}.language.svelte-1elxaub:hover{background:var(--white)}nav.svelte-1elxaub a[aria-current=page]:where(.svelte-1elxaub){color:var(--royal-blue);border-bottom-color:var(--royal-blue)}.actions.svelte-1elxaub{align-items:center;gap:var(--space-4);display:flex}.book.svelte-1elxaub{white-space:nowrap}.toggle.svelte-1elxaub{border:1px solid var(--gray);border-radius:var(--radius-md);width:48px;height:48px;color:var(--royal-blue);cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:0;display:none}@media (width<=1040px){.bar.svelte-1elxaub{justify-content:space-between;gap:var(--space-4)}.toggle.svelte-1elxaub{display:inline-flex}nav.svelte-1elxaub{padding:var(--space-2) var(--gutter) var(--space-4);background:var(--white);border-bottom:1px solid var(--gray-light);margin:0;display:none;position:absolute;inset:100% 0 auto}nav.open.svelte-1elxaub{display:block}nav.svelte-1elxaub ul:where(.svelte-1elxaub){flex-direction:column;gap:0}nav.svelte-1elxaub a:where(.svelte-1elxaub){border-bottom:1px solid var(--gray-light);padding-block:12px;font-size:16px;line-height:26px}}@media (width<=480px){.bar.svelte-1elxaub,.actions.svelte-1elxaub{gap:var(--space-2)}.bar.svelte-1elxaub .wordmark img{width:80px}.book.svelte-1elxaub{padding-inline:12px}.language.svelte-1elxaub svg{display:none}}@media (width<=360px){.book.svelte-1elxaub{padding-inline:var(--space-2)}.language.svelte-1elxaub{padding-inline:4px}}main.svelte-12qhfyh:focus{outline:none}