@font-face{font-family:noto sans bengali;font-style:normal;font-weight:100 900;font-display:swap;src:url(../fonts/noto-sans-bengali-bengali.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:100 900;font-display:swap;src:url(../fonts/noto-sans-bengali-latin.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}:root{--bg:#ffffff;--surface:#f7f8f8;--surface-2:#eef1f1;--text:#1a2321;--muted:#5b6b68;--border:#e2e7e6;--accent:#0f766e;--accent-strong:#0b5f59;--accent-soft:#d7efeb;--radius:12px;--radius-sm:8px;--wrap-narrow:46rem;--wrap-wide:68rem;--font:"Noto Sans Bengali", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}@media(prefers-color-scheme:dark){:root{--bg:#0f1514;--surface:#161e1c;--surface-2:#1d2725;--text:#e7edeb;--muted:#9aa8a5;--border:#2a3533;--accent:#4fd1c0;--accent-strong:#7ee3d5;--accent-soft:#17332f}}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.85;color:var(--text);background:var(--bg);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-strong);text-decoration:underline}img{max-width:100%;height:auto;border-radius:var(--radius-sm)}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;padding:.5rem .75rem;background:var(--accent);color:#fff;border-radius:var(--radius-sm);z-index:100}.wrap{width:min(100% - 2.5rem,var(--wrap-narrow));margin-inline:auto}.empty{color:var(--muted);padding:2rem 0}.site-header{border-bottom:1px solid var(--border);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4)blur(8px);position:sticky;top:0;z-index:20}.header-inner{width:min(100% - 2.5rem,var(--wrap-wide));margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0}.brand{display:flex;flex-direction:column;line-height:1.25;color:var(--text)}.brand:hover{text-decoration:none}.brand-name{font-weight:700;font-size:1.15rem}.brand-tagline{font-size:.78rem;color:var(--muted)}.site-nav{display:flex;align-items:center;gap:1.1rem}.site-nav a{color:var(--muted);font-size:.95rem;padding:.25rem 0;border-bottom:2px solid transparent}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--text);text-decoration:none;border-bottom-color:var(--accent)}.lang-switch{display:flex;align-items:center;gap:.35rem;font-size:.85rem}.lang-switch a{color:var(--muted);padding:.2rem .6rem;border:1px solid var(--border);border-radius:999px;line-height:1.2}.lang-switch a:hover{color:var(--text);text-decoration:none;border-color:var(--accent)}.lang-switch a[aria-current=true]{color:var(--accent-strong);border-color:var(--accent);background:var(--accent-soft)}.nav-toggle,.nav-toggle-label{display:none}.hero{padding:3rem 0 1.5rem}.hero-title{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.3;margin:0 0 .5rem}.hero-tagline{color:var(--muted);font-size:1.1rem;margin:0 0 1rem}.hero-intro p:last-child{margin-bottom:0}.post-grid{width:min(100% - 2.5rem,var(--wrap-wide));margin-inline:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(17rem,1fr));gap:1.1rem;padding:1rem 0 2rem}.post-card{border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;background:var(--surface);transition:border-color .15s ease,transform .15s ease}.post-card:hover{border-color:var(--accent);transform:translateY(-2px)}.post-card-title{margin:0 0 .4rem;font-size:1.2rem;line-height:1.45}.post-card-title a{color:var(--text)}.post-card-title a:hover{color:var(--accent);text-decoration:none}.post-card-summary{color:var(--muted);font-size:.95rem;margin:0 0 .8rem}.post-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;color:var(--muted);font-size:.82rem}.post-card-cat{color:var(--accent)}.list-header{padding:2.5rem 0 .5rem}.list-title{margin:0 0 .4rem;font-size:1.9rem}.list-intro{color:var(--muted)}.post{padding-top:2.5rem}.post-title{font-size:clamp(1.7rem,4.5vw,2.3rem);line-height:1.35;margin:0 0 .75rem}.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;color:var(--muted);font-size:.9rem;margin-bottom:.75rem}.post-lead{font-size:1.1rem;color:var(--muted);margin:.5rem 0 0}.chip{display:inline-block;padding:.1rem .6rem;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:.82rem;border:1px solid transparent}.chip:hover{text-decoration:none;border-color:var(--accent)}.toc{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:.9rem 1.1rem;margin:1.5rem 0;font-size:.95rem}.toc summary{cursor:pointer;font-weight:600;color:var(--text)}.toc nav ul{margin:.6rem 0 0;padding-left:1.1rem}.toc ul ul{padding-left:1rem}.toc a{color:var(--muted)}.toc a:hover{color:var(--accent)}.post-content{margin-top:1.5rem}.post-content :is(h2,h3,h4){line-height:1.4;margin-top:2.2rem;scroll-margin-top:5rem}.post-content h2{font-size:1.55rem;padding-bottom:.35rem;border-bottom:1px solid var(--border)}.post-content h3{font-size:1.25rem}.post-content p{margin:0 0 1.1rem}.post-content ul,.post-content ol{padding-left:1.6rem;margin:0 0 1.1rem}.post-content li{margin-bottom:.4rem}.post-content blockquote{margin:1.4rem 0;padding:.6rem 1.1rem;border-left:4px solid var(--accent);background:var(--surface);border-radius:0 var(--radius-sm)var(--radius-sm)0;color:var(--muted)}.post-content blockquote p:last-child{margin-bottom:0}.post-content code{font-family:var(--mono);font-size:.88em;background:var(--surface-2);padding:.15em .4em;border-radius:5px}.post-content pre,.post-content .highlight{margin:1.4rem 0;border-radius:var(--radius);overflow:hidden}.post-content pre{padding:1rem 1.1rem;overflow-x:auto;font-size:.9rem;line-height:1.6}.post-content pre code{background:0 0;padding:0;font-size:inherit}.chroma,.highlight{background:#f7f7f7}.post-content table{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.95rem}.post-content th,.post-content td{border:1px solid var(--border);padding:.5rem .75rem;text-align:left}.post-content th{background:var(--surface)}.post-content img{display:block;margin:1.4rem auto}hr{border:none;border-top:1px solid var(--border);margin:2.2rem 0}.post-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:2rem 0 0}.post-nav{display:flex;justify-content:space-between;gap:1rem;margin:2.5rem auto;padding-top:1.5rem;border-top:1px solid var(--border)}.post-nav-link{display:flex;flex-direction:column;max-width:46%;color:var(--text);font-weight:600}.post-nav-link:hover{text-decoration:none;color:var(--accent)}.post-nav-link span{font-size:.78rem;font-weight:400;color:var(--muted)}.post-nav-link.next{text-align:right;margin-left:auto}.post-nav-link.disabled{visibility:hidden}.pagination{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0 3rem;font-size:.95rem}.pagination-link{font-weight:600}.pagination-link.disabled{color:var(--muted);opacity:.55}.pagination-info{color:var(--muted);font-size:.9rem}.terms{display:flex;flex-wrap:wrap;gap:.6rem;padding:1.5rem 0 3rem}.term{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .9rem;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text)}.term:hover{text-decoration:none;border-color:var(--accent)}.term-count{font-size:.8rem;color:var(--muted);background:var(--surface-2);border-radius:999px;padding:0 .5rem}.search-wrap{padding:1.5rem 0 3rem}#search{--pagefind-ui-primary:var(--accent);--pagefind-ui-text:var(--text);--pagefind-ui-background:var(--bg);--pagefind-ui-border:var(--border);--pagefind-ui-tag:var(--surface-2);--pagefind-ui-border-width:1px;--pagefind-ui-border-radius:var(--radius-sm);--pagefind-ui-font:var(--font)}.comments{padding:2.5rem 0 3rem}.comments-title{font-size:1.3rem;margin-bottom:1rem}.comments-hint{color:var(--muted);font-size:.85rem;margin-top:1rem}.site-footer{border-top:1px solid var(--border);margin-top:2rem;padding:1.5rem 0}.footer-inner{width:min(100% - 2.5rem,var(--wrap-wide));margin-inline:auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;color:var(--muted);font-size:.88rem}.footer-inner p{margin:0}.footer-links{display:flex;gap:.5rem}@media(max-width:640px){.header-inner{gap:.5rem}.brand{flex:auto}.nav-toggle-label{order:3;display:flex;flex-direction:column;justify-content:center;gap:4px;width:2rem;height:2rem;cursor:pointer}.nav-toggle-label span{display:block;height:2px;background:var(--text);border-radius:2px}.site-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .2s ease}.lang-switch{order:2;margin-left:auto}.lang-switch a{padding:.2rem .5rem;font-size:.8rem}.nav-toggle:checked~.site-nav{max-height:20rem}.site-nav a{padding:.75rem 1.25rem;border-bottom:1px solid var(--border);border-left:3px solid transparent}.site-nav a:hover,.site-nav a[aria-current=page]{border-bottom-color:var(--border);border-left-color:var(--accent)}.post-nav-link{max-width:48%;font-size:.9rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.post-card{transition:none}}