/* jahidsinha.com: home. Self-hosted fonts only. */
@font-face{font-family:'Figtree';src:url(../fonts/Figtree-var.woff2) format('woff2');font-weight:300 900;font-display:swap;unicode-range:U+0000-024F,U+2000-206F,U+20AC,U+2122;}
@font-face{font-family:'Hind Siliguri';src:url(../fonts/HindSiliguri-Regular.woff2) format('woff2');font-weight:400;font-display:swap;size-adjust:108%;}
@font-face{font-family:'Hind Siliguri';src:url(../fonts/HindSiliguri-SemiBold.woff2) format('woff2');font-weight:600;font-display:swap;size-adjust:108%;}
@font-face{font-family:'Hind Siliguri';src:url(../fonts/HindSiliguri-Bold.woff2) format('woff2');font-weight:700 900;font-display:swap;size-adjust:108%;}

:root{
  --bg:#f4f5fa; --card:#fff; --ink:#18234d; --soft:#4d5576; --line:#e1e4ef;
  --peri:#7c91d0; --cobalt:#27418e; --cobalt-dk:#1d3270; --peach:#efa67d; --peach-dk:#e48f60; --magenta:#b24680; --ice:#add1e7;
  --font:'Figtree','Hind Siliguri','Nirmala UI',system-ui,sans-serif;
  --shadow:0 1px 2px rgba(24,35,77,.04),0 12px 32px -12px rgba(24,35,77,.18);
  --shadow-up:0 2px 4px rgba(24,35,77,.05),0 24px 48px -18px rgba(24,35,77,.32);
  --r:24px; --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scrollbar-color:var(--peri) var(--bg);}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18px/1.6 var(--font);-webkit-font-smoothing:antialiased;caret-color:var(--magenta);}
::selection{background:var(--peach);color:var(--ink);}
:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:12px;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
h1,h2,h3{font-family:var(--font);font-weight:800;letter-spacing:-.035em;line-height:1.02;margin:0;text-wrap:balance;}
[lang="bn"]{letter-spacing:0;}
.skip{position:absolute;left:12px;top:-60px;background:var(--cobalt);color:#fff;padding:8px 14px;border-radius:999px;z-index:30;}
.skip:focus{top:12px;}
.ic{width:1.1em;height:1.1em;flex:none;}

/* pills */
.pill{display:inline-flex;align-items:center;gap:.5em;border-radius:999px;padding:.6em 1.2em;font-weight:700;font-size:16px;text-decoration:none;line-height:1.2;transition:transform .3s var(--ease),box-shadow .3s,background-color .2s,border-color .2s;}
.pill.big{font-size:17px;padding:.85em 1.5em;}
.pill.cobalt{background:var(--cobalt);color:#fff;box-shadow:0 10px 24px -12px rgba(39,65,142,.9);}
.pill.cobalt:hover{background:var(--cobalt-dk);transform:translateY(-2px);}
.pill.peach{background:var(--peach);color:var(--ink);}
.pill.peach:hover{background:var(--peach-dk);transform:translateY(-2px);}
.pill.ghost{background:var(--card);color:var(--ink);border:1px solid var(--line);}
.pill.ghost:hover{border-color:var(--peri);transform:translateY(-2px);}
.pill small{font-weight:500;opacity:.65;font-size:.82em;}
.pill .ic{transition:transform .3s var(--ease);}
.pill:hover .ic{transform:translateX(3px);}

/* top bar */
.top{max-width:1200px;margin:0 auto;padding:22px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.mark{font-weight:800;font-size:22px;letter-spacing:-.03em;text-decoration:none;display:inline-flex;align-items:baseline;}
.mark .dot{width:8px;height:8px;border-radius:50%;background:var(--peach-dk);margin-left:3px;}
.top nav{display:flex;align-items:center;gap:4px 22px;flex-wrap:wrap;font-weight:600;font-size:16px;}
.top nav a:not(.pill){text-decoration:none;padding:10px 4px;color:var(--soft);transition:color .2s;}
.top nav a:not(.pill):hover{color:var(--ink);}

/* hero */
.hero{position:relative;max-width:1200px;margin:0 auto;padding:56px 28px 80px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:64px;align-items:center;}
.hero::before{content:"";position:absolute;inset:-40px 0 0;z-index:-1;background:radial-gradient(rgba(39,65,142,.13) 1.2px,transparent 1.4px) 0 0/22px 22px;-webkit-mask:radial-gradient(70% 70% at 30% 40%,#000 30%,transparent 75%);mask:radial-gradient(70% 70% at 30% 40%,#000 30%,transparent 75%);}
.hero h1{font-size:clamp(52px,8vw,104px);}
.scribble{position:relative;display:inline-block;color:var(--cobalt);}
.scribble svg{position:absolute;left:-2%;bottom:-.14em;width:104%;height:.28em;color:var(--peach-dk);overflow:visible;}
.lead{font-size:clamp(19px,1.8vw,22px);line-height:1.6;color:var(--soft);max-width:31em;margin:28px 0 20px;}
.lead .hl{color:var(--ink);font-weight:700;}
.topics{list-style:none;margin:0 0 30px;padding:0;display:flex;flex-wrap:wrap;gap:8px;}
.topics li{font-size:14px;font-weight:700;letter-spacing:.01em;padding:5px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--soft);}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.soc-mini{display:flex;gap:8px;}
.round{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--card);border:1px solid var(--line);color:var(--ink);transition:transform .3s var(--ease),background-color .2s,color .2s;}
.round .ic{width:22px;height:22px;}
.round:hover{transform:translateY(-2px);color:#fff;}
.round.youtube:hover{background:#d6324a;} .round.facebook:hover{background:var(--cobalt);} .round.instagram:hover{background:var(--magenta);}

.portrait{position:relative;margin:0;justify-self:center;width:min(420px,84vw);aspect-ratio:1;}
.portrait .plate{position:absolute;inset:0;border-radius:44px;background:var(--cobalt);transform:rotate(-6deg);box-shadow:var(--shadow-up);}
.portrait img{position:relative;width:100%;height:100%;object-fit:cover;object-position:center;border-radius:40px;box-shadow:var(--shadow-up);transform:rotate(2deg);transition:transform .6s var(--ease);}
.portrait:hover img{transform:rotate(0);}
.sticker{position:absolute;right:-14px;bottom:28px;background:var(--peach);color:var(--ink);font-weight:700;font-size:18px;padding:10px 18px;border-radius:16px;transform:rotate(-5deg);box-shadow:0 14px 28px -14px rgba(228,143,96,.9);}

/* sections */
.resources,.follow{max-width:1200px;margin:0 auto;padding:24px 28px 56px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;margin-bottom:24px;}
.sec-head h2{font-size:clamp(36px,4.6vw,56px);}
.sec-head p{margin:0;color:var(--soft);max-width:28em;}

.feature{background:var(--card);border-radius:32px;box-shadow:var(--shadow);padding:24px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;align-items:center;}
.feature-cover{position:relative;display:block;border-radius:22px;}
.feature-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:22px;transition:transform .6s var(--ease);}
.feature:hover .feature-cover img{transform:scale(1.015);}
.new{position:absolute;left:-10px;top:-12px;box-shadow:0 8px 18px -8px rgba(178,70,128,.9);z-index:1;background:var(--magenta);color:#fff;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:800;letter-spacing:.08em;}
.feature-text{padding:8px 16px 8px 0;}
.meta{font-size:14px;font-weight:700;color:var(--magenta);margin:0 0 10px;letter-spacing:.02em;}
.feature h3{font-size:clamp(32px,3.6vw,46px);}
.feature h3 a{text-decoration:none;}
.feature h3 a:hover{color:var(--cobalt);}
.sub-bn{margin:10px 0 0;color:var(--soft);font-size:17px;font-weight:600;}
.desc{color:var(--soft);margin:14px 0 18px;max-width:34em;}
.has{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-wrap:wrap;gap:8px;}
.has li{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border-radius:999px;padding:5px 14px 5px 10px;font-size:15px;font-weight:700;}
.has .ic{color:var(--cobalt);}

.next-note{display:flex;align-items:center;gap:12px;margin:22px 4px 0;color:var(--soft);font-weight:600;}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--peach-dk);box-shadow:0 0 0 0 rgba(228,143,96,.6);}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;margin-top:22px;}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-up);}
.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:6px;flex:1;}
.card .meta{margin:0;}
.card-title{font-weight:800;font-size:22px;line-height:1.2;letter-spacing:-.02em;}
.more{margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--cobalt);}

/* follow */
.socials{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.social{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:20px;display:flex;align-items:center;gap:14px;text-decoration:none;transition:transform .35s var(--ease),box-shadow .35s;}
.social:hover{transform:translateY(-3px);box-shadow:var(--shadow-up);}
.s-ic{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;flex:none;color:#fff;}
.s-ic .ic{width:28px;height:28px;}
.youtube .s-ic{background:#d6324a;} .facebook .s-ic{background:var(--cobalt);} .instagram .s-ic{background:var(--magenta);}
.s-name{font-weight:800;font-size:19px;line-height:1.25;flex:1;min-width:0;letter-spacing:-.01em;}
.s-name small{display:block;font-weight:500;font-size:15px;color:var(--soft);letter-spacing:0;}
.s-cta{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--cobalt);}
.contact{margin-top:34px;} .contact h3{font-size:28px;margin-bottom:14px;}

.foot{max-width:1200px;margin:0 auto;padding:22px 28px 36px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:15px;color:var(--soft);}

/* one authored moment: the underline writes itself, the photo settles in */
@media (prefers-reduced-motion:no-preference){
  .scribble .draw{stroke-dasharray:240;stroke-dashoffset:240;animation:draw 1.1s .3s var(--ease) forwards;}
  .portrait .plate{animation:settle 1s .1s var(--ease) both;}
  .sticker{animation:pop .7s .9s var(--ease) both;}
  .pulse{animation:pulse 2s infinite;}
  @keyframes draw{to{stroke-dashoffset:0;}}
  @keyframes settle{from{transform:rotate(0) scale(.92);opacity:0;}}
  @keyframes pop{from{transform:rotate(-5deg) scale(.6);opacity:0;}}
  @keyframes pulse{70%{box-shadow:0 0 0 10px rgba(228,143,96,0);}100%{box-shadow:0 0 0 0 rgba(228,143,96,0);}}
}

@media (max-width:900px){
  .hero{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:24px;padding-bottom:56px;}
  .portrait{order:-1;width:min(300px,74vw);justify-self:start;margin-left:8px;}
  .feature{grid-template-columns:minmax(0,1fr);padding:16px;gap:18px;}
  .feature-text{padding:4px 8px 10px;}
  .socials{grid-template-columns:minmax(0,1fr);gap:12px;}
  .sec-head{align-items:flex-start;flex-direction:column;}
}
@media (max-width:520px){
  body{font-size:17px;}
  .top{padding:16px 18px;}
  .top nav{gap:2px 14px;font-size:15px;}
  .hero,.resources,.follow,.foot{padding-left:18px;padding-right:18px;}
  .pill.big{font-size:16px;}
  .sticker{font-size:16px;right:-8px;}
}

/* 404 */
.hero.notfound{grid-template-columns:minmax(0,1fr);min-height:70vh;}

/* in-app browser banner (Facebook / Instagram): slim, one line, closable; shown only by assets/js/inapp.js */
.inapp{display:flex;align-items:center;gap:8px;background:#18234d;color:#fff;padding:6px 8px 6px 14px;font-size:13.5px;line-height:1.3;}
.inapp[hidden]{display:none;}
.inapp p{margin:0;flex:1;min-width:0;}
.inapp b{color:#efa67d;}
.inapp-btn{flex:none;display:inline-flex;align-items:center;border:0;border-radius:999px;background:#efa67d;color:#18234d;font:inherit;font-weight:700;padding:5px 11px;text-decoration:none;cursor:pointer;white-space:nowrap;}
.inapp-btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);}
.inapp-btn[hidden]{display:none;}
.inapp-x{flex:none;width:28px;height:28px;border:0;border-radius:50%;background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;}
/* ===== phones: the resource is in the first screen, not just the face ===== */
.lead-short{display:none;}
@media (max-width:700px){
  .top{padding:12px 18px;flex-wrap:nowrap;}
  .top nav a:not(.pill){display:none;}
  .top .pill{font-size:15px;padding:.55em 1em;}

  .hero{grid-template-columns:136px minmax(0,1fr);grid-template-areas:"pic h1" "pic soc" "lead lead";column-gap:20px;row-gap:10px;padding:18px 18px 26px;align-items:center;}
  .hero-text{display:contents;}
  .portrait{grid-area:pic;width:136px;margin:4px 0 0 4px;justify-self:start;align-self:start;}
  .portrait .plate{border-radius:30px;transform:rotate(-7deg);}
  .portrait img{border-radius:28px;}
  .sticker{font-size:12px;padding:4px 9px;border-radius:10px;right:-12px;bottom:-10px;}
  .hero h1{grid-area:h1;font-size:46px;align-self:end;}
  .hero .actions{grid-area:soc;}
  .hero .actions .pill{display:none;}
  .round{width:40px;height:40px;} .round .ic{width:20px;height:20px;}
  .lead{grid-area:lead;margin:16px 0 0;font-size:18px;}
  .lead-long{display:none;} .lead-short{display:inline;}
  .topics{display:none;}

  .resources{padding-top:6px;}
  .sec-head{margin-bottom:12px;}
  .sec-head h2{font-size:30px;}
  .sec-head p{display:none;}
  .feature{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:18px;border-radius:24px;}
  .feature-text{display:contents;}
  .feature .meta{order:1;margin-bottom:6px;}
  .feature h3{order:2;font-size:30px;}
  .sub-bn{order:3;font-size:16px;margin-top:6px;}
  .feature .actions{order:4;margin-top:16px;flex-wrap:nowrap;gap:10px;}
  .feature .actions .pill{flex:1 1 auto;justify-content:center;white-space:nowrap;font-size:16px;padding:.8em 1.1em;}
  .feature .actions .pill.ghost{flex:0 1 auto;}
  .feature-cover{order:5;margin-top:18px;}
  .desc{order:6;margin:14px 0 12px;font-size:16px;}
  .has{order:7;margin:0;}
}
/* ===== the guide is the main action; the PDF is a quiet fallback ===== */
.go-wrap{flex-direction:column;align-items:flex-start;gap:12px;}
.go-guide{display:flex;align-items:center;gap:18px;width:100%;max-width:440px;text-decoration:none;color:#fff;background:var(--cobalt);border-radius:20px;padding:16px 16px 16px 24px;box-shadow:0 18px 34px -16px rgba(39,65,142,.85);transition:transform .35s var(--ease),box-shadow .35s,background-color .2s;}
.go-guide:hover{background:var(--cobalt-dk);transform:translateY(-3px);box-shadow:0 24px 40px -16px rgba(39,65,142,.95);}
.gg-txt{flex:1;min-width:0;display:flex;flex-direction:column;}
.gg-main{font-weight:800;font-size:22px;letter-spacing:-.02em;line-height:1.2;}
.gg-sub{font-size:14.5px;color:var(--ice);font-weight:500;margin-top:3px;}
.gg-arrow{flex:none;width:48px;height:48px;border-radius:50%;background:var(--peach);color:var(--ink);display:grid;place-items:center;transition:transform .35s var(--ease);}
.gg-arrow .ic{width:24px;height:24px;}
.go-guide:hover .gg-arrow{transform:translateX(4px);}
.pdf-link{font-size:14px;color:var(--soft);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;padding:4px 2px;}
.pdf-link:hover{color:var(--ink);text-decoration-color:var(--soft);}
@media (prefers-reduced-motion:no-preference){
  .gg-arrow{animation:nudge 2.4s 1.2s var(--ease) infinite;}
  @keyframes nudge{0%,70%,100%{transform:none;}80%{transform:translateX(5px);}90%{transform:translateX(0);}}
}
@media (max-width:700px){
  .feature .actions.go-wrap{flex-wrap:wrap;align-items:stretch;margin-top:16px;}
  .go-guide{max-width:none;padding:14px 14px 14px 20px;}
  .gg-main{font-size:21px;}
  .gg-sub{font-size:13.5px;}
  .gg-arrow{width:44px;height:44px;}
  .pdf-link{align-self:center;}
}