:root{--green:#008e48;--green-light:#cef5e3;--green-dark:#006648;--green-darker:#00443d;--neutral-lighter:#eef2f0;--gold:#e8b65d;--info:#4597e8;--ink:#16211c;--ink-muted:#5b6b63;--line:#e3e9e6;--bg:#fff;--bg-soft:#f7faf8;--radius:14px;--radius-lg:22px;--shadow-sm:0 1px 2px #0000000f, 0 4px 12px #0000000a;--shadow-md:0 8px 30px #0000001a;--container:1180px;--gutter:clamp(1rem, 4vw, 2.5rem);--font-bn:"Hind Siliguri", "Noto Sans Bengali", system-ui, sans-serif;--font-en:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font:var(--font-bn)}html[lang=en]{--font:var(--font-en)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important}}body{background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:1.0625rem;line-height:1.75}html[lang=bn] body{font-size:1.125rem;line-height:1.9}h1,h2,h3,h4{letter-spacing:-.01em;margin:0 0 .5em;font-weight:700;line-height:1.3}html[lang=bn] h1,html[lang=bn] h2,html[lang=bn] h3{letter-spacing:0;line-height:1.45}h1{font-size:clamp(2rem,5vw,3.25rem)}h2{font-size:clamp(1.5rem,3vw,2.125rem)}h3{font-size:clamp(1.25rem,2.2vw,1.5rem)}p{margin:0 0 1.25em}a{color:var(--green-dark);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--green)}img{max-width:100%;height:auto;display:block}:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:4px}.container{width:100%;max-width:var(--container);padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:clamp(3rem,8vw,6rem)}.btn{font:inherit;cursor:pointer;border:1.5px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:.85rem 1.75rem;font-weight:600;text-decoration:none;transition:background-color .18s,color .18s,border-color .18s;display:inline-flex}.btn--primary{background:var(--green);color:#fff}.btn--primary:hover{background:var(--green-dark);color:#fff}.btn--ghost{color:#fff;background:0 0;border-color:#ffffff8c}.btn--ghost:hover{color:#fff;background:#ffffff1f}.btn--outline{color:var(--green-dark);border-color:var(--line);background:0 0}.btn--outline:hover{border-color:var(--green);color:var(--green-dark)}.skip-link{z-index:100;background:var(--green);color:#fff;border-radius:0 0 var(--radius) 0;padding:.75rem 1.25rem;position:absolute;top:0;left:-9999px}.skip-link:focus{color:#fff;left:0}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.hdr[data-astro-cid-nen7h5rs]{z-index:50;padding:.75rem var(--gutter);position:sticky;top:0}.hdr__pill[data-astro-cid-nen7h5rs]{max-width:var(--container);backdrop-filter:blur(10px);border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#ffffffeb;border-radius:999px;align-items:center;gap:1rem;margin-inline:auto;padding:.6rem .75rem .6rem 1.5rem;display:flex}.hdr__brand[data-astro-cid-nen7h5rs]{color:var(--green-dark);white-space:nowrap;font-size:1.15rem;font-weight:700;text-decoration:none}.hdr__nav[data-astro-cid-nen7h5rs]{gap:.35rem;margin-inline:auto;display:none}.hdr__link[data-astro-cid-nen7h5rs]{color:var(--ink);white-space:nowrap;border-radius:999px;padding:.5rem .9rem;font-weight:500;text-decoration:none}.hdr__link[data-astro-cid-nen7h5rs]:hover{background:var(--neutral-lighter);color:var(--green-dark)}.hdr__link[data-astro-cid-nen7h5rs][aria-current=page]{color:var(--green-dark);background:var(--green-light)}.hdr__lang[data-astro-cid-nen7h5rs]{background:var(--green);color:#fff;white-space:nowrap;border-radius:999px;padding:.5rem 1.1rem;font-size:.95rem;font-weight:600;text-decoration:none;display:none}.hdr__lang[data-astro-cid-nen7h5rs]:hover{background:var(--green-dark);color:#fff}.hdr__burger[data-astro-cid-nen7h5rs]{background:var(--neutral-lighter);cursor:pointer;border:0;border-radius:999px;place-items:center;width:42px;height:42px;margin-inline-start:auto;display:grid}.hdr__bars[data-astro-cid-nen7h5rs],.hdr__bars[data-astro-cid-nen7h5rs]:before,.hdr__bars[data-astro-cid-nen7h5rs]:after{background:var(--ink);border-radius:2px;width:18px;height:2px;display:block}.hdr__bars[data-astro-cid-nen7h5rs]{position:relative}.hdr__bars[data-astro-cid-nen7h5rs]:before,.hdr__bars[data-astro-cid-nen7h5rs]:after{content:"";position:absolute;left:0}.hdr__bars[data-astro-cid-nen7h5rs]:before{top:-6px}.hdr__bars[data-astro-cid-nen7h5rs]:after{top:6px}.hdr__mobile[data-astro-cid-nen7h5rs]{max-width:var(--container);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:#fff;flex-direction:column;gap:.25rem;margin:.5rem auto 0;padding:.75rem;display:flex}.hdr__mobile[data-astro-cid-nen7h5rs][hidden]{display:none}.hdr__mobile[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{border-radius:var(--radius);color:var(--ink);padding:.75rem 1rem;font-weight:500;text-decoration:none}.hdr__mobile[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{background:var(--neutral-lighter)}@media (width>=900px){.hdr__nav[data-astro-cid-nen7h5rs],.hdr__lang[data-astro-cid-nen7h5rs]{display:flex}.hdr__burger[data-astro-cid-nen7h5rs],.hdr__mobile[data-astro-cid-nen7h5rs]{display:none!important}}.ftr[data-astro-cid-jo6i4kqk]{background:var(--green-darker);color:#ffffffd1;margin-top:clamp(3rem,8vw,6rem);padding-block:clamp(2.5rem,6vw,4rem) 0}.ftr__grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr;gap:2.5rem;display:grid}@media (width>=720px){.ftr__grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1.4fr 1fr 1fr}}.ftr__brand[data-astro-cid-jo6i4kqk]{color:#fff;margin-bottom:.5rem;font-size:1.35rem;font-weight:700}.ftr__muted[data-astro-cid-jo6i4kqk]{color:#ffffffa6;margin:0}.ftr__h[data-astro-cid-jo6i4kqk]{text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:.9rem;font-size:.95rem}.ftr__list[data-astro-cid-jo6i4kqk],.ftr__social[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:.55rem;margin:0;padding:0;list-style:none;display:flex}.ftr__social[data-astro-cid-jo6i4kqk]{text-transform:capitalize;flex-flow:wrap;gap:.75rem;margin-top:1rem}.ftr[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:#ffffffd1;text-decoration:none}.ftr[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:#fff;text-decoration:underline}.ftr__bar[data-astro-cid-jo6i4kqk]{color:#fff9;border-top:1px solid #ffffff24;margin-top:2.5rem;padding-block:1.25rem;font-size:.9rem}.ftr__bar[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{margin:0}