/* takaok.info — "Note proof": a banknote-design studio proof sheet. Cotton paper, intaglio green, rosette madder,
   colour-shift thread. Playfair (opsz) + Noto Serif Bengali display / SUSE + Hind Siliguri text. */
:root{
  --paper:#F2EFE4;--paper-2:#E6EADD;--sheet:#FBFAF5;--ink:#15241F;--ink-2:#46564F;--ink-3:#5E6D66;
  --green:#1C5143;--green-2:#2A6A58;--green-d:#0E2621;--green-dd:#0A1C18;--mint:#CFE0D6;
  --rose:#A3355B;--rose-d:#862746;--rose-l:#F1DCE3;--copper:#B67A30;--gold:#DDB463;--pale:#DCE4DC;
  --line:rgba(21,36,31,.15);--line-2:rgba(21,36,31,.3);--focus:#D08A2E;
  --f-head:"Playfair","Noto Serif Bengali",Georgia,serif;
  --f-body:"SUSE","Hind Siliguri",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:4px;--gut:16px;--max:1240px;
  --iris:linear-gradient(100deg,#F7F5EC 0%,#EDF1E6 38%,#F4EEE6 64%,#F5E7EC 100%);
  --thread:linear-gradient(115deg,#8C5A22,#E0B66A 18%,#4E9C80 36%,#C58B3D 55%,#79BFA5 74%,#9E6428 92%);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:16px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.72 var(--f-body);overflow-x:hidden;
  font-feature-settings:"kern";text-rendering:optimizeLegibility}
body.lang-bn{font-size:17.5px;line-height:1.85}
img,svg{max-width:100%}
a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{color:var(--rose)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:2px}
h1,h2,h3{font-family:var(--f-head);color:var(--ink);margin:0;font-optical-sizing:auto;text-wrap:balance}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
@media (min-width:768px){:root{--gut:28px}}
.spr{position:absolute;width:0;height:0;overflow:hidden}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--gold);color:var(--green-dd);padding:12px 16px;font-weight:700;border-radius:var(--r);text-decoration:none}
.skip:focus{top:10px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:12px 24px;border-radius:var(--r);
  font:650 16px/1.25 var(--f-body);text-decoration:none;text-align:center;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s,color .18s,border-color .18s,transform .18s}
.btn-pri{background:var(--rose);color:#FBF6F2;box-shadow:inset 0 0 0 3px var(--rose),inset 0 0 0 4px rgba(255,240,235,.45)}
.btn-pri:hover{background:var(--rose-d);color:#fff;box-shadow:inset 0 0 0 3px var(--rose-d),inset 0 0 0 4px rgba(255,240,235,.5)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.btn-s{min-height:46px;padding:10px 18px;font-size:15.5px}
.lang-en .btn{letter-spacing:.01em}

/* ---------- header ---------- */
.hd-bar{background:var(--green-d);color:var(--pale);
  background-image:repeating-radial-gradient(circle at 0 120%,rgba(221,180,99,.075) 0 1px,transparent 1px 7px),
  repeating-radial-gradient(circle at 100% -20%,rgba(121,191,165,.07) 0 1px,transparent 1px 7px)}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:66px;padding-block:8px}
.wm{display:inline-flex;align-items:center;gap:10px;color:var(--sheet);text-decoration:none;min-width:0;min-height:44px}
.wm:hover{color:#fff}
.wm-r{width:36px;height:36px;flex:none;color:var(--gold);stroke-width:.9}
.wm-t{display:flex;flex-direction:column;min-width:0}
.wm-n{font:750 22px/1.1 var(--f-head);white-space:nowrap;font-variation-settings:"opsz" 40}
.wm-s{font-size:13px;line-height:1.35;color:#B9C8BF;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:none}
.hd-tools{display:flex;align-items:center;gap:8px;flex:none}
.lsw{order:1;display:flex;border:1px solid rgba(220,228,220,.3);border-radius:var(--r);overflow:hidden}
.lsw a{display:grid;place-items:center;min-width:46px;min-height:44px;padding:0 10px;color:var(--pale);text-decoration:none;font:600 14px/1 var(--f-body)}
.lsw a+a{border-left:1px solid rgba(220,228,220,.3)}
.lsw a[aria-current]{background:var(--pale);color:var(--green-d)}
.lsw a:not([aria-current]):hover{background:rgba(220,228,220,.12);color:#fff}
.lsw-l{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.lsw-c{letter-spacing:.06em}
.hd-cta{order:2;display:none;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--gold);border-radius:var(--r);color:var(--gold);text-decoration:none;font:600 15px/1.2 var(--f-body)}
.hd-cta:hover{background:var(--gold);color:var(--green-dd)}
.mbtn{order:3;display:inline-flex;align-items:center;gap:9px;min-height:44px;min-width:46px;padding:0 12px;border:1px solid rgba(220,228,220,.3);
  border-radius:var(--r);background:transparent;color:var(--sheet);font:600 15px/1 var(--f-body);cursor:pointer}
.mbtn:hover{background:rgba(220,228,220,.1)}
.mbtn-i{display:grid;gap:4px;width:18px}
.mbtn-i i{display:block;height:1.5px;background:currentColor;transition:transform .2s,opacity .2s}
.mbtn-i i:nth-child(2){width:70%;justify-self:end}
.hd.open .mbtn-i i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.hd.open .mbtn-i i:nth-child(2){opacity:0}
.hd.open .mbtn-i i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.mbtn-t{display:none}
@media (min-width:420px){.mbtn-t{display:inline}}
@media (min-width:640px){.wm-s{display:block}.lsw-l{position:static;width:auto;height:auto;clip:auto;overflow:visible}.lsw-c{display:none}}
/* windowed colour-shift security thread */
.thread{height:9px;background:repeating-linear-gradient(90deg,var(--green-d) 0 20px,transparent 20px 64px),var(--thread);
  background-size:auto,100vw 100%;background-attachment:scroll,fixed;border-bottom:1px solid var(--green-dd)}
.snav{display:none;background:var(--sheet);border-bottom:1px solid var(--line-2)}
.hd.open .snav{display:block}
.snav ul{list-style:none;margin:0;padding:6px 0 14px;counter-reset:nv}
.snav li{counter-increment:nv}
.snav a{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:8px 2px;border-bottom:1px solid var(--line);
  color:var(--ink);text-decoration:none;font:550 17px/1.35 var(--f-body)}
.snav a::after{content:counter(nv,decimal-leading-zero);font:italic 600 15px/1 var(--f-head);color:var(--rose)}
.lang-bn .snav a::after{content:counter(nv,bengali)}
.snav a[aria-current]{color:var(--rose)}
.snav a[aria-current]::before{content:"";width:8px;height:8px;background:var(--rose);transform:rotate(45deg);flex:none;order:-1}
@media (min-width:980px){
  .mbtn{display:none}
  .hd-cta{display:inline-flex}
  .hd-in{min-height:74px}
  .wm-r{width:42px;height:42px}.wm-n{font-size:25px}
  .snav{display:block}
  .snav ul{display:flex;flex-wrap:wrap;align-items:center;padding:0;gap:0 4px}
  .snav li{display:flex;align-items:center}
  .snav li+li::before{content:"";width:5px;height:5px;background:var(--copper);transform:rotate(45deg);margin-right:4px;opacity:.8}
  .snav a{border:0;min-height:50px;padding:0 12px;font-size:15.5px;position:relative}
  .snav a::after{display:none}
  .snav a[aria-current]::before{display:none}
  .snav a[aria-current]{box-shadow:inset 0 -3px 0 var(--sheet),inset 0 -4px 0 var(--rose),inset 0 -6px 0 var(--sheet),inset 0 -7px 0 var(--rose)}
  .snav a:hover{color:var(--rose)}
}

/* ---------- home: note face ---------- */
.face{padding:22px 0 30px;container-type:inline-size}
.note{position:relative;display:grid;grid-template-columns:minmax(0,1fr);border:1px solid var(--line-2);border-radius:6px;overflow:hidden;
  background:repeating-radial-gradient(circle at 82% 34%,transparent 0 9px,rgba(28,81,67,.045) 9px 10px),var(--iris);
  box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 18px 40px -28px rgba(14,38,33,.45)}
.note::before{content:"";position:absolute;inset:8px;border:1px solid rgba(28,81,67,.35);border-radius:3px;pointer-events:none}
.note::after{content:"";position:absolute;inset:12px;border:1px dashed rgba(163,53,91,.3);border-radius:2px;pointer-events:none}
.serial{display:none}
.note-win{position:relative;grid-row:1;height:170px;margin:12px 12px 0;overflow:hidden}
.note-rose{position:absolute;width:250px;height:250px;right:-58px;top:-44px;color:var(--green);stroke-width:.55;opacity:.55}
.den{font:900 1px/1 var(--f-head);font-variation-settings:"opsz" 1200;letter-spacing:-.02em;color:var(--rose)}
.den-a{position:absolute;left:14px;top:18px;font-size:82px;font-style:italic}
.stamp{position:absolute;left:18px;bottom:14px;display:inline-block;padding:5px 12px;border:2px solid var(--rose);border-radius:3px;color:var(--rose);
  font:700 13px/1.4 var(--f-body);transform:rotate(-4deg);background:rgba(251,250,245,.72);max-width:calc(100% - 36px)}
.lang-en .stamp{text-transform:uppercase;letter-spacing:.12em;font-size:12px}
.note-copy{position:relative;padding:8px 22px 8px}
.badge{display:inline-block;margin:0 0 14px;padding:4px 0;border-block:1px solid var(--rose);color:var(--rose);font:600 14px/1.5 var(--f-body)}
.lang-en .badge{letter-spacing:.04em}
.face h1{font-weight:780;font-size:clamp(1.85rem,7.6vw,3.35rem);line-height:1.08;letter-spacing:-.012em;margin:0 0 16px;color:var(--green-d)}
.lang-bn .face h1{font-weight:700;line-height:1.42;letter-spacing:0;font-size:clamp(1.65rem,6.6vw,2.85rem)}
.lead{font-size:1.08em;color:var(--ink-2);max-width:62ch}
.lead p{margin:0 0 .8em}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 6px}
.acts .btn{flex:1 1 220px}
.keys{list-style:none;margin:18px 22px 0;padding:0;counter-reset:k;display:grid;gap:0}
.keys li{counter-increment:k;display:grid;grid-template-columns:40px minmax(0,1fr);align-items:center;gap:12px;padding:10px 0;border-top:1px dashed var(--line-2);font-weight:550;line-height:1.45}
.keys li::before{content:counter(k);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--green);box-shadow:inset 0 0 0 3px var(--sheet),inset 0 0 0 4px rgba(28,81,67,.5);background:var(--sheet);
  font:italic 700 17px/1 var(--f-head);color:var(--green)}
.lang-bn .keys li::before{content:counter(k,bengali);font-style:normal}
.den-b{display:none}
.micro{position:relative;margin:16px 14px 16px;padding:4px 0;overflow:hidden;white-space:nowrap;border-block:1px solid rgba(28,81,67,.25);
  font:600 8px/1.2 var(--f-body);letter-spacing:.18em;color:rgba(28,81,67,.7)}
@container (min-width:860px){
  .note{grid-template-columns:minmax(0,1.55fr) minmax(280px,1fr);padding:0 0 0 30px}
  .serial{display:block;position:absolute;left:16px;top:50%;transform:translateY(-50%) rotate(180deg);writing-mode:vertical-rl;
    font:600 11px/1 var(--f-body);letter-spacing:.34em;color:var(--rose);opacity:.85}
  .note-copy{grid-column:1;grid-row:1;padding:52px 24px 12px 34px}
  .note-win{grid-column:2;grid-row:1;height:auto;min-height:420px;margin:12px 12px 0 0;overflow:visible}
  .note-rose{width:min(440px,100%);height:auto;aspect-ratio:1;right:-2%;top:48px;opacity:.62}
  .den-a{left:auto;right:30px;top:22px;font-size:128px}
  .stamp{left:auto;right:10%;bottom:auto;top:62%;font-size:14px;padding:6px 14px;transform:rotate(-8deg)}
  .lang-en .stamp{font-size:13px}
  .keys{grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 28px;margin:10px 130px 0 34px}
  .keys li{border-top:1px solid var(--line-2);padding:16px 0}
  .den-b{display:block;position:absolute;right:34px;bottom:46px;font-size:50px;font-style:italic;color:transparent;-webkit-text-stroke:1px var(--rose)}
  .micro{grid-column:1/-1;margin:14px 20px 20px 4px}
}
@media (prefers-reduced-motion:no-preference){
  .note-rose{animation:turn 240s linear infinite}
  @keyframes turn{to{transform:rotate(360deg)}}
  .stamp{animation:press .7s cubic-bezier(.2,.9,.3,1.3) .25s backwards}
  @keyframes press{from{transform:rotate(-8deg) scale(1.18)}}
}

/* ---------- home: uncut sheet (demo) ---------- */
.sheet{padding:34px 0 42px;background:var(--paper-2);border-block:1px solid var(--line-2);
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:100% 48px,48px 100%;background-position:0 -1px,-1px 0}
.sheet-hd{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 24px;margin:0 0 22px}
.sheet-t{margin:0;font:italic 700 clamp(1.5rem,4.4vw,2.1rem)/1.25 var(--f-head);color:var(--green-d)}
.lang-bn .sheet-t{font-style:normal;line-height:1.5}
.sheet-p{margin:0;color:var(--ink-2);max-width:52ch;font-size:16px}
.uncut{position:relative;padding:12px;background:var(--sheet);border:1px dashed rgba(21,36,31,.4);container-type:inline-size;container-name:uncut}
.crop{position:absolute;width:14px;height:14px;border:0 solid var(--ink);pointer-events:none}
.c1{left:-9px;top:-9px;border-right-width:1px;border-bottom-width:1px}
.c2{right:-9px;top:-9px;border-left-width:1px;border-bottom-width:1px}
.c3{left:-9px;bottom:-9px;border-right-width:1px;border-top-width:1px}
.c4{right:-9px;bottom:-9px;border-left-width:1px;border-top-width:1px}
@media (min-width:768px){.uncut{padding:20px}.crop{width:22px;height:22px}.c1,.c2{top:-14px}.c3,.c4{bottom:-14px}.c1,.c3{left:-14px}.c2,.c4{right:-14px}}

/* ---------- inner: plate head ---------- */
.plate{position:relative;overflow:hidden;background:var(--paper-2);border-bottom:1px solid var(--line-2);
  background-image:repeating-linear-gradient(0deg,rgba(28,81,67,.06) 0 1px,transparent 1px 4px),var(--iris)}
.plate-in{position:relative;padding-top:18px;padding-bottom:30px}
.plate-r{position:absolute;right:-110px;top:-70px;width:340px;height:340px;color:var(--green);stroke-width:.55;opacity:.33;pointer-events:none}
.crumbs ol{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-wrap:wrap;align-items:center;font-size:15px;color:var(--ink-3)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"";width:5px;height:5px;margin:0 10px;background:var(--copper);transform:rotate(45deg)}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--green)}
.crumbs span{color:var(--ink-2)}
.plate h1{position:relative;font-weight:780;font-size:clamp(1.8rem,6.8vw,3.3rem);line-height:1.1;letter-spacing:-.01em;margin:0 0 14px;max-width:24ch;color:var(--green-d)}
.lang-bn .plate h1{font-weight:700;line-height:1.45;letter-spacing:0;font-size:clamp(1.6rem,6vw,2.7rem)}
.plate .lead{position:relative}
.micro-plate{margin:0;border-top:1px solid rgba(28,81,67,.25);border-bottom:0;padding:5px var(--gut)}
@media (min-width:980px){.plate-in{padding-top:26px;padding-bottom:48px}.plate-r{width:520px;height:520px;right:-120px;top:-120px}}

/* ---------- article + rail ---------- */
.page{padding:36px 0 56px}
.page-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
.doc{min-width:0;counter-reset:sec}
.doc>.intro{font-size:1.04em}
.sec{counter-increment:sec;margin-top:44px;padding-top:30px;border-top:1px solid var(--line-2);position:relative}
.doc>.sec:first-child,.doc>.intro+.sec{margin-top:24px}
.sec-plain{counter-increment:none;border:0;padding:0}
.sec h2,.faq h2,.rel-t{font-weight:720;font-size:clamp(1.5rem,5vw,2.1rem);line-height:1.18;letter-spacing:-.008em;margin:0 0 18px;color:var(--green-d)}
.lang-bn .sec h2,.lang-bn .faq h2,.lang-bn .rel-t{font-weight:700;line-height:1.5;letter-spacing:0;font-size:clamp(1.35rem,4.6vw,1.85rem)}
.sec h2::before{content:counter(sec,decimal-leading-zero);display:flex;align-items:center;justify-content:center;width:46px;height:46px;margin:0 0 14px;border-radius:50%;
  border:1px solid var(--rose);box-shadow:inset 0 0 0 3px var(--paper),inset 0 0 0 4px rgba(163,53,91,.45);
  font:italic 650 17px/1 var(--f-head);color:var(--rose);letter-spacing:0}
.lang-bn .sec h2::before{content:counter(sec,bengali);font-style:normal;font-size:18px}
.sec::before{content:"";position:absolute;top:-4px;left:0;width:64px;height:7px;background:repeating-linear-gradient(90deg,var(--paper) 0 6px,transparent 6px 16px),var(--thread)}
.doc h3{font:700 1.14rem/1.4 var(--f-body);margin:26px 0 10px;color:var(--ink)}
.lang-bn .doc h3{line-height:1.7}
.doc ul,.doc ol{margin:0 0 1.2em;padding-left:1.4em}
.doc ul{list-style:none;padding-left:1.5em}
.doc ul>li{position:relative;margin:.4em 0}
.doc ul>li::before{content:"";position:absolute;left:-1.15em;top:.72em;width:6px;height:6px;background:var(--copper);transform:rotate(45deg)}
.doc ol>li{margin:.45em 0;padding-left:.3em}
.doc ol>li::marker{font:italic 700 1em var(--f-head);color:var(--rose)}
.doc strong{font-weight:650;color:var(--ink)}
.doc code{font:500 .92em/1 ui-monospace,Menlo,Consolas,monospace;background:var(--rose-l);padding:.1em .35em;border-radius:3px;word-break:break-word}
.doc table{display:block;overflow-x:auto;border-collapse:collapse;margin:0 0 1.4em;font-size:16px}
.doc th,.doc td{border:1px solid var(--line-2);padding:8px 12px;text-align:left;vertical-align:top}
.doc th{background:var(--paper-2);font-weight:650}
.doc p,.doc li{overflow-wrap:break-word}

/* FAQ */
.faq{margin-top:48px;padding-top:30px;border-top:1px solid var(--line-2)}
.faq-l{border:1px solid var(--line-2);border-radius:var(--r);background:var(--sheet)}
.faq details+details{border-top:1px dashed var(--line-2)}
.faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px;padding:12px 16px;cursor:pointer;font-weight:620;line-height:1.45}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--green);
  background:linear-gradient(var(--green),var(--green)) center/11px 1.5px no-repeat,linear-gradient(var(--green),var(--green)) center/1.5px 11px no-repeat;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg);background-color:var(--mint)}
.faq summary:hover{color:var(--rose)}
.faq-a{padding:0 16px 8px;color:var(--ink-2)}
.faq-a>*:last-child{margin-bottom:12px}

/* CTA note */
.cta-note{position:relative;overflow:hidden;margin-top:48px;padding:26px 22px;border:1px solid var(--line-2);border-radius:6px;background:var(--iris);
  box-shadow:inset 0 0 0 6px var(--sheet),inset 0 0 0 7px rgba(28,81,67,.3)}
.cta-note p{position:relative;font:600 1.15rem/1.5 var(--f-head);color:var(--green-d);max-width:44ch;margin:0 0 16px}
.lang-bn .cta-note p{line-height:1.75;font-size:1.1rem}
.cta-note .btn{position:relative}
.cta-r{position:absolute;right:-50px;bottom:-60px;width:200px;height:200px;color:var(--rose);stroke-width:.8;opacity:.3}

/* rail */
.rail{min-width:0;display:grid;gap:22px;align-content:start}
.toc{background:var(--sheet);border:1px solid var(--line-2);border-radius:var(--r)}
.toc summary{list-style:none;display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:8px 16px;cursor:pointer;font:italic 700 1.1rem/1.3 var(--f-head);color:var(--green-d)}
.lang-bn .toc summary{font-style:normal;line-height:1.6}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"";width:9px;height:9px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);transition:transform .2s}
.toc details[open] summary::after{transform:rotate(225deg)}
.toc ol{list-style:none;margin:0;padding:4px 16px 14px 16px;position:relative;counter-reset:tc}
.toc ol::before{content:"";position:absolute;left:21px;top:8px;bottom:22px;width:5px;background:repeating-linear-gradient(180deg,var(--sheet) 0 8px,transparent 8px 22px),var(--thread)}
.toc li{counter-increment:tc;position:relative}
.toc a{display:flex;align-items:center;min-height:44px;padding:6px 0 6px 30px;color:var(--ink-2);text-decoration:none;font-size:15.5px;line-height:1.4}
.toc a::before{content:"";position:absolute;left:1px;width:9px;height:9px;border-radius:50%;background:var(--sheet);border:1.5px solid var(--green)}
.toc a:hover{color:var(--rose)}
.toc a[aria-current]{color:var(--rose);font-weight:650}
.toc a[aria-current]::before{background:var(--rose);border-color:var(--rose)}
.mini-note{position:relative;padding:20px 18px;border:1px solid var(--line-2);border-radius:6px;background:var(--iris);box-shadow:inset 0 0 0 5px var(--sheet),inset 0 0 0 6px rgba(163,53,91,.3)}
.mini-t{font:700 1.15rem/1.35 var(--f-head);color:var(--green-d);margin:0 0 6px}
.lang-bn .mini-t{line-height:1.6}
.mini-note p{font-size:16px;color:var(--ink-2)}
@media (max-width:1079px){.rail{display:contents}.toc{order:-1}}
@media (min-width:1080px){
  .page{padding:56px 0 80px}
  .page-grid{grid-template-columns:minmax(0,1fr) 300px;gap:72px}
  .doc{padding-left:70px;max-width:790px}
  .sec h2{position:relative}
  .sec h2::before{position:absolute;left:-70px;top:-4px;margin:0}
  .lang-bn .sec h2::before{top:0}
  .sec::before{left:-70px}
  .faq,.cta-note{margin-left:0}
  .rail{position:sticky;top:20px;align-self:start;max-height:calc(100vh - 40px);overflow:auto;scrollbar-width:thin}
  .toc summary{pointer-events:none}
  .toc summary::after{display:none}
}
.page-legal .doc{max-width:760px}

/* ---------- related notes ---------- */
.rel{padding:44px 0 56px;border-top:1px solid var(--line-2);background:var(--paper-2)}
.rel-l{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:16px;counter-reset:rn}
.rel-l li{counter-increment:rn;display:flex}
.rnote{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:6px;width:100%;min-height:156px;padding:22px 22px 20px;border:1px solid var(--line-2);border-radius:6px;
  background:var(--sheet);box-shadow:inset 0 0 0 5px var(--sheet),inset 0 0 0 6px rgba(28,81,67,.22);color:var(--ink);text-decoration:none;transition:transform .2s,border-color .2s}
.rnote::before{content:counter(rn,decimal-leading-zero);position:absolute;right:18px;top:12px;font:italic 800 30px/1 var(--f-head);color:var(--rose);opacity:.9}
.lang-bn .rnote::before{content:counter(rn,bengali);font-style:normal}
.rnote strong{position:relative;font:700 1.18rem/1.3 var(--f-head);color:var(--green-d);padding-right:44px}
.lang-bn .rnote strong{line-height:1.6}
.rnote span{position:relative;font-size:16px;line-height:1.55;color:var(--ink-2)}
.rnote-r{position:absolute;right:-38px;bottom:-44px;width:150px;height:150px;color:var(--green);stroke-width:.9;opacity:.16;transition:transform .6s}
.rnote:hover{border-color:var(--green);color:var(--ink)}
.rnote:hover strong{color:var(--rose)}
@media (prefers-reduced-motion:no-preference){.rnote:hover{transform:translateY(-3px)}.rnote:hover .rnote-r{transform:rotate(40deg)}}

/* ---------- footer ---------- */
.ft{background:var(--green-d);color:#CCD7CF;padding-bottom:22px}
.ft-band{display:block;width:100%;height:26px;color:var(--gold);opacity:.75;background:var(--green-dd)}
.ft-band path{stroke-width:.8;vector-effect:non-scaling-stroke}
.ft-band .b2{color:#79BFA5;stroke:#79BFA5;opacity:.7}
.ft-grid{display:grid;gap:28px;padding-top:36px;padding-bottom:26px}
.ft .wm{color:var(--sheet)}
.ft .wm-s{display:block}
.ft-about p{margin:14px 0 0;font-size:16px;line-height:1.65;max-width:52ch}
.ft h2{font:italic 700 1.15rem/1.4 var(--f-head);color:var(--gold);margin:0 0 8px}
.lang-bn .ft h2{font-style:normal;line-height:1.6}
.ft ul{list-style:none;margin:0;padding:0}
.ft li a{display:flex;align-items:center;min-height:44px;color:#E4EBE5;text-decoration:none;border-bottom:1px solid rgba(220,228,220,.1);font-size:16px}
.ft li a:hover{color:var(--gold)}
.ft-bot{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;padding-top:18px;border-top:1px solid rgba(220,228,220,.16);font-size:15px}
.seal{display:grid;place-items:center;width:50px;height:50px;border-radius:50%;border:1.5px solid var(--gold);box-shadow:inset 0 0 0 3px var(--green-d),inset 0 0 0 4px rgba(221,180,99,.6);
  color:var(--gold);font:italic 800 16px/1 var(--f-head)}
.ft-copy{flex:1}
.ft-top{display:inline-flex;align-items:center;min-height:44px;color:var(--gold)}
.ft-top:hover{color:#fff}
@media (min-width:768px){.ft-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);gap:44px}}

/* ---------- 404 ---------- */
.nf{padding:60px 0 90px;position:relative;overflow:hidden}
.nf .wrap{position:relative}
.nf-r{position:absolute;right:-80px;top:-60px;width:320px;height:320px;color:var(--green);stroke-width:.6;opacity:.3}
.nf h1{position:relative;font-size:clamp(2rem,7vw,3.4rem);line-height:1.2;margin:0 0 14px;color:var(--green-d)}
.lang-bn .nf h1{line-height:1.5}
.nf p{position:relative;max-width:48ch;color:var(--ink-2)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.hd,.thread,.rail,.ft-band,.sheet{display:none}}