/* ============================================================================
   IFSCTool.in — design tokens
   Colour values below are not decorative choices. Every foreground/background
   pair was measured with the WCAG 2.1 relative-luminance formula and clears
   the AAA 7:1 threshold for body text in BOTH themes. Do not lighten the
   light-theme inks or darken the dark-theme inks without re-measuring.
   ========================================================================== */
:root{
  --bg:#EEF3FA; --surface:#FFFFFF; --surface-2:#F4F8FD; --surface-3:#E7EEF9;
  --text:#0A1730;            /* 15.99:1 on --bg */
  --muted:#394A61;           /* >=7.3:1 on bg, surfaces and primary-soft */
  --primary:#093FA5;         /*  8.31:1 on --bg */
  --primary-ink:#FFFFFF;     /*  9.27:1 on --primary */
  --primary-soft:#DEE8FA;
  --success:#065638;         /* >=7.28:1 on bg, surfaces and success-soft */
  --success-soft:#D6F0E4;
  --danger:#8E1B1B;          /* >=7.35:1 on bg, surfaces and danger-soft */
  --danger-soft:#FBE2E2;
  --warn:#664400;            /*  7.88:1 on --bg */
  --warn-soft:#FAEFD2;
  --border:#D7E2F1; --border-strong:#B3C6E0;
  --shadow-1:0 1px 2px rgba(10,23,48,.07), 0 2px 8px rgba(10,23,48,.05);
  --shadow-2:0 8px 20px -8px rgba(10,23,48,.16), 0 2px 6px rgba(10,23,48,.06);
  --shadow-3:0 28px 60px -30px rgba(9,63,165,.42), 0 6px 18px -8px rgba(10,23,48,.14);
}
html[data-theme="dark"]{
  --bg:#070D1A; --surface:#0F1A2E; --surface-2:#16243C; --surface-3:#1D2F4C;
  --text:#EDF3FC;            /* 17.41:1 on --bg */
  --muted:#AFC0DC;           /* >=7.29:1 on every dark surface */
  --primary:#9AC0FF;         /* >=7.27:1 on every dark surface and primary-soft */
  --primary-ink:#04122B;
  --primary-soft:#16294A;
  --success:#5FD9A8;         /* 11.07:1 on --bg */
  --success-soft:#0C2E24;
  --danger:#FFA7A7;          /* >=7.25:1 on every dark surface and danger-soft */
  --danger-soft:#331414;
  --warn:#F0C05A;            /* 11.46:1 on --bg */
  --warn-soft:#2E2410;
  --border:#26374F; --border-strong:#3A4E6B;
  --shadow-1:0 1px 2px rgba(0,0,0,.5);
  --shadow-2:0 8px 20px -8px rgba(0,0,0,.6), 0 2px 6px rgba(0,0,0,.4);
  --shadow-3:0 28px 60px -30px rgba(0,0,0,.9), 0 6px 18px -8px rgba(0,0,0,.5);
}

/* Kinetic system — easing curves modelled on real acceleration profiles.
   expo-out  : fast departure, long glide (entrances)
   spring    : slight overshoot then settle (success / confirmation)
   standard  : symmetric ease for state changes
   decel     : pure deceleration for elements arriving from off-screen        */
:root{
  --ease-expo:cubic-bezier(.16,1,.3,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --ease-standard:cubic-bezier(.4,0,.2,1);
  --ease-decel:cubic-bezier(0,0,.2,1);
  --dur-1:140ms; --dur-2:240ms; --dur-3:420ms; --dur-4:640ms;
  --tap:48px;                /* minimum ergonomic tap target, every axis */
  --gap-tap:8px;             /* minimum separation between adjacent targets */
  --radius:14px; --radius-sm:10px; --radius-lg:22px; --radius-pill:999px;
  --maxw:1140px;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans','Noto Sans Bengali','Noto Sans Devanagari',sans-serif;
  --mono:ui-monospace,SFMono-Regular,'SF Mono',Menlo,Consolas,'Liberation Mono',monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px;}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background var(--dur-3) var(--ease-standard), color var(--dur-3) var(--ease-standard);
}
html[lang="bn"] body{line-height:1.85;}
html[lang="hi"] body{line-height:1.8;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em;letter-spacing:-.02em;font-weight:700;}
html[lang="bn"] h1,html[lang="bn"] h2,html[lang="bn"] h3,
html[lang="hi"] h1,html[lang="hi"] h2,html[lang="hi"] h3{letter-spacing:0;line-height:1.45;}
p{margin:0 0 1.05em;}
:focus-visible{outline:3px solid var(--primary);outline-offset:3px;border-radius:6px;}
html[data-theme="dark"] :focus-visible{outline-color:var(--primary);}
::selection{background:var(--primary);color:var(--primary-ink);}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px;}
.skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:var(--primary-ink);padding:14px 20px;z-index:400;border-radius:0 0 10px 0;font-weight:700;}
.skip:focus{left:0;}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------------------------------------------------------------- header */
.site-header{position:sticky;top:0;z-index:200;background:color-mix(in srgb,var(--surface) 92%,transparent);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);}
.header-inner{display:flex;align-items:center;gap:10px;min-height:68px;padding-block:8px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.14rem;color:var(--text);letter-spacing:-.03em;
  min-height:var(--tap);padding:2px 4px;}
.brand:hover{text-decoration:none;}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;background:var(--primary);color:var(--primary-ink);
  display:grid;place-items:center;font-size:.85rem;font-weight:800;letter-spacing:-.04em;box-shadow:var(--shadow-1);}
.brand .accent{color:var(--primary);}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav a{color:var(--muted);font-size:.94rem;font-weight:600;padding:0 14px;border-radius:var(--radius-sm);
  display:inline-flex;align-items:center;min-height:var(--tap);transition:background var(--dur-1) var(--ease-standard),color var(--dur-1) var(--ease-standard);}
.nav a:hover{background:var(--surface-2);color:var(--text);text-decoration:none;}
.header-tools{display:flex;align-items:center;gap:var(--gap-tap);margin-left:auto;}
.nav + .header-tools{margin-left:10px;}
.lang-switch{display:flex;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:3px;gap:3px;}
.lang-btn{min-width:var(--tap);min-height:var(--tap);padding:0 12px;border:none;background:transparent;border-radius:8px;
  color:var(--muted);font-family:inherit;font-size:.88rem;font-weight:700;cursor:pointer;
  transition:background var(--dur-2) var(--ease-standard),color var(--dur-2) var(--ease-standard),transform var(--dur-2) var(--ease-spring);}
.lang-btn:hover{color:var(--text);}
.lang-btn[aria-pressed="true"]{background:var(--primary);color:var(--primary-ink);transform:scale(1.02);}
.icon-btn{width:var(--tap);height:var(--tap);flex:0 0 var(--tap);display:grid;place-items:center;
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);cursor:pointer;
  transition:color var(--dur-2) var(--ease-standard),border-color var(--dur-2) var(--ease-standard),transform var(--dur-2) var(--ease-spring);}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);}
.icon-btn:active{transform:scale(.94);}
.icon-btn svg{width:20px;height:20px;}
html[data-theme="dark"] .i-moon,html[data-theme="light"] .i-sun{display:none;}
@media (max-width:1100px){.nav{display:none;}}

/* ------------------------------------------------------------------ hero */
.hero{position:relative;padding:56px 0 48px;overflow:hidden;border-bottom:1px solid var(--border);
  background:radial-gradient(880px 420px at 10% -12%,var(--primary-soft),transparent 68%),
             radial-gradient(680px 380px at 95% 4%,var(--surface-3),transparent 70%),var(--bg);}
.eyebrow{display:inline-flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--border);
  color:var(--muted);font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:9px 16px;border-radius:var(--radius-pill);margin-bottom:20px;box-shadow:var(--shadow-1);min-height:38px;}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--success);animation:beacon 2.4s var(--ease-standard) infinite;}
@keyframes beacon{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.82);}}
.hero h1{font-size:clamp(1.9rem,5.4vw,3.1rem);margin-bottom:.3em;max-width:16ch;}
html[lang="bn"] .hero h1,html[lang="hi"] .hero h1{max-width:20ch;font-size:clamp(1.65rem,4.8vw,2.7rem);}
.hero h1 .hl{color:var(--primary);}
.hero .lede{font-size:clamp(1rem,2.3vw,1.16rem);color:var(--muted);max-width:62ch;margin-bottom:0;}

/* ---------------------------------------------------------------- finder */
.finder{margin-top:32px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-3);}
@media (max-width:620px){.finder{padding:18px;border-radius:var(--radius);}}
.finder-head{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between;margin-bottom:14px;}
.finder-label{font-weight:700;font-size:1rem;margin:0;}
.session-tally{font-size:.85rem;color:var(--muted);font-weight:600;}
.session-tally b{color:var(--success);font-variant-numeric:tabular-nums;}

/* Verification ladder — the three states a code passes through. It stays
   visibly incomplete until the user confirms the branch with the payee,
   which is the behaviour we actually want to encourage before a transfer. */
.ladder{display:flex;align-items:flex-start;gap:0;margin-bottom:20px;padding:16px;background:var(--surface-2);
  border:1px solid var(--border);border-radius:var(--radius);}
.step{flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;text-align:center;gap:7px;position:relative;}
.step::after{content:"";position:absolute;top:15px;left:calc(50% + 20px);right:calc(-50% + 20px);height:2px;
  background:var(--border-strong);border-radius:2px;transition:background var(--dur-3) var(--ease-standard);}
.step:last-child::after{display:none;}
.step.done::after{background:var(--success);}
.step-dot{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:0 0 32px;
  background:var(--surface);border:2px solid var(--border-strong);color:var(--muted);
  font-size:.82rem;font-weight:800;position:relative;z-index:1;
  transition:background var(--dur-3) var(--ease-spring),border-color var(--dur-3) var(--ease-standard),
             color var(--dur-3) var(--ease-standard),transform var(--dur-3) var(--ease-spring);}
.step.done .step-dot{background:var(--success);border-color:var(--success);color:var(--surface);transform:scale(1.1);}
html[data-theme="dark"] .step.done .step-dot{color:#06231A;}
.step.active .step-dot{border-color:var(--primary);color:var(--primary);}
.step-dot svg{width:16px;height:16px;display:none;}
.step.done .step-dot svg{display:block;}
.step.done .step-num{display:none;}
.step-label{font-size:.79rem;font-weight:700;color:var(--muted);line-height:1.35;max-width:14ch;}
.step.done .step-label{color:var(--success);}
@media (max-width:620px){.ladder{padding:14px 8px;}.step-label{font-size:.72rem;max-width:11ch;}
  .step::after{left:calc(50% + 18px);right:calc(-50% + 18px);}}

.finder-row{display:flex;gap:12px;flex-wrap:wrap;}
.input-shell{position:relative;flex:1 1 300px;min-width:0;}
.input-shell .ico{position:absolute;left:17px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--muted);pointer-events:none;}
#ifscInput{width:100%;height:56px;min-height:var(--tap);padding:0 16px 0 48px;
  font-family:var(--mono);font-size:1.05rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text);background:var(--surface-2);border:2px solid var(--border-strong);border-radius:var(--radius);
  transition:border-color var(--dur-2) var(--ease-standard),box-shadow var(--dur-2) var(--ease-standard),background var(--dur-2) var(--ease-standard);}
#ifscInput::placeholder{font-weight:500;letter-spacing:.06em;color:var(--muted);opacity:1;}
#ifscInput:focus{outline:none;border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 4px var(--primary-soft);}
#ifscInput.ok{border-color:var(--success);}
#ifscInput.bad{border-color:var(--danger);}
.char-meter{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:.78rem;
  font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;pointer-events:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 30px;
  border:2px solid transparent;border-radius:var(--radius);background:var(--primary);color:var(--primary-ink);
  font-family:inherit;font-size:1rem;font-weight:700;cursor:pointer;box-shadow:var(--shadow-2);flex:0 0 auto;
  transition:transform var(--dur-2) var(--ease-spring),filter var(--dur-2) var(--ease-standard),box-shadow var(--dur-2) var(--ease-standard);}
.btn:hover{filter:brightness(1.12);transform:translateY(-2px);box-shadow:var(--shadow-3);}
.btn:active{transform:translateY(0) scale(.985);}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;filter:none;}
.btn .spin{width:18px;height:18px;border:2.5px solid color-mix(in srgb,var(--primary-ink) 35%,transparent);
  border-top-color:var(--primary-ink);border-radius:50%;animation:spin .68s linear infinite;display:none;}
@keyframes spin{to{transform:rotate(360deg);}}
.btn.loading .spin{display:block;}
@media (max-width:560px){.btn{width:100%;}}

.chips{display:flex;flex-wrap:wrap;gap:var(--gap-tap);align-items:center;margin-top:18px;}
.chips-label{font-size:.87rem;color:var(--muted);font-weight:600;}
.chip{background:var(--surface-2);border:1px solid var(--border);color:var(--muted);font-family:var(--mono);
  font-size:.82rem;font-weight:700;letter-spacing:.06em;padding:0 15px;border-radius:var(--radius-pill);cursor:pointer;
  min-height:var(--tap);display:inline-flex;align-items:center;
  transition:border-color var(--dur-2) var(--ease-standard),color var(--dur-2) var(--ease-standard),
             background var(--dur-2) var(--ease-standard),transform var(--dur-2) var(--ease-spring);}
.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.chip:active{transform:translateY(0) scale(.96);}

/* --------------------------------------------------------------- results */
.skeleton{display:none;margin-top:22px;}
.skeleton.on{display:block;}
.sk{height:15px;border-radius:8px;margin-bottom:12px;background:linear-gradient(90deg,var(--surface-2) 25%,var(--surface-3) 50%,var(--surface-2) 75%);
  background-size:200% 100%;animation:shim 1.4s var(--ease-standard) infinite;}
@keyframes shim{to{background-position:-200% 0;}}
.result{margin-top:22px;display:none;}
.result.on{display:block;animation:rise var(--dur-4) var(--ease-expo) both;}
@keyframes rise{from{opacity:0;transform:translateY(16px) scale(.985);}to{opacity:1;transform:none;}}
.msg{display:flex;gap:13px;align-items:flex-start;padding:17px 19px;border-radius:var(--radius);font-size:.96rem;line-height:1.6;}
.msg svg{width:21px;height:21px;flex:0 0 21px;margin-top:2px;}
.msg-err{background:var(--danger-soft);color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);}
.msg-warn{background:var(--warn-soft);color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 32%,transparent);}
.msg strong{font-weight:800;}
.card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.card-head{display:flex;flex-wrap:wrap;gap:14px;align-items:center;padding:19px 20px;background:var(--surface);border-bottom:1px solid var(--border);}
.seal{width:50px;height:50px;flex:0 0 50px;border-radius:14px;background:var(--success);color:var(--surface);
  display:grid;place-items:center;animation:seal var(--dur-4) var(--ease-spring) both;}
html[data-theme="dark"] .seal{color:#06231A;}
@keyframes seal{from{transform:scale(.4) rotate(-14deg);opacity:0;}to{transform:none;opacity:1;}}
.seal svg{width:26px;height:26px;}
.seal svg path{stroke-dasharray:30;stroke-dashoffset:30;animation:draw var(--dur-4) var(--ease-expo) 140ms forwards;}
@keyframes draw{to{stroke-dashoffset:0;}}
.card-head .t{min-width:0;flex:1 1 200px;}
.card-head .bank{font-weight:800;font-size:1.08rem;margin:0;overflow-wrap:anywhere;}
.card-head .branch{color:var(--muted);font-size:.92rem;margin:2px 0 0;overflow-wrap:anywhere;}
.copy-btn{margin-left:auto;display:inline-flex;align-items:center;gap:8px;background:var(--surface-2);
  border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text);font-family:var(--mono);
  font-size:.86rem;font-weight:700;letter-spacing:.07em;padding:0 15px;cursor:pointer;min-height:var(--tap);
  transition:border-color var(--dur-2) var(--ease-standard),color var(--dur-2) var(--ease-standard),transform var(--dur-2) var(--ease-spring);}
.copy-btn:hover{border-color:var(--primary);color:var(--primary);}
.copy-btn:active{transform:scale(.96);}
.copy-btn svg{width:15px;height:15px;flex:0 0 15px;}
.dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(178px,1fr));gap:1px;background:var(--surface-2);margin:0;}
.dl .d{background:var(--surface-2);padding:15px 20px;min-width:0;box-shadow:0 0 0 1px var(--border);}
.dl dt{font-size:.72rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;}
.dl dd{margin:0;font-size:.97rem;font-weight:700;overflow-wrap:anywhere;}
.dl .d.wide{grid-column:1/-1;}
.rails{display:flex;flex-wrap:wrap;gap:8px;padding:16px 20px;background:var(--surface-2);border-top:1px solid var(--border);}
.pill{font-size:.78rem;font-weight:800;letter-spacing:.05em;padding:7px 13px;border-radius:var(--radius-pill);border:1px solid transparent;}
.pill.on{background:var(--success-soft);color:var(--success);border-color:color-mix(in srgb,var(--success) 34%,transparent);}
.pill.off{background:var(--surface);color:var(--muted);border-color:var(--border);}
.confirm-box{margin-top:14px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:6px 8px;}
.confirm-row{display:flex;gap:13px;align-items:flex-start;cursor:pointer;padding:12px;min-height:var(--tap);border-radius:var(--radius-sm);
  transition:background var(--dur-2) var(--ease-standard);}
.confirm-row:hover{background:var(--surface-3);}
.confirm-row input{width:24px;height:24px;flex:0 0 24px;margin:2px 0 0;accent-color:var(--success);cursor:pointer;}
.confirm-row span{font-size:.94rem;font-weight:600;line-height:1.55;}

/* -------------------------------------------------------------- sections */
.section{padding:72px 0;}
.section.alt{background:var(--surface);border-block:1px solid var(--border);}
@media (max-width:620px){.section{padding:48px 0;}}
.sec-head{max-width:680px;margin-bottom:36px;}
.kicker{color:var(--primary);font-size:.79rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;}
.sec-head h2{font-size:clamp(1.5rem,3.8vw,2.15rem);}
.sec-head .sub{color:var(--muted);margin-bottom:0;font-size:1.02rem;}

/* anatomy of a code */
.anatomy{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:26px 22px;margin-bottom:26px;}
.anatomy-code{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:22px;}
.seg{display:flex;flex-direction:column;align-items:center;gap:9px;}
.seg-chars{display:flex;gap:4px;}
.seg-chars span{width:38px;height:52px;display:grid;place-items:center;font-family:var(--mono);font-size:1.3rem;font-weight:800;
  border-radius:9px;background:var(--surface);border:2px solid var(--border-strong);color:var(--text);}
.seg.a .seg-chars span{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.seg.b .seg-chars span{border-color:var(--warn);color:var(--warn);background:var(--warn-soft);}
.seg.c .seg-chars span{border-color:var(--success);color:var(--success);background:var(--success-soft);}
.seg-tag{font-size:.74rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);}
@media (max-width:620px){.seg-chars span{width:29px;height:42px;font-size:1rem;}.seg-chars{gap:3px;}}
.anatomy-notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;}
.anatomy-note{font-size:.93rem;color:var(--muted);}
.anatomy-note b{display:block;color:var(--text);margin-bottom:3px;font-size:.95rem;}

/* --------------------------------------------------------------- tables */
.table-tools{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:18px;}
#bankFilter{flex:1 1 260px;min-height:var(--tap);padding:0 17px;font-family:inherit;font-size:.96rem;color:var(--text);
  background:var(--surface);border:2px solid var(--border-strong);border-radius:var(--radius-sm);min-width:0;
  transition:border-color var(--dur-2) var(--ease-standard),box-shadow var(--dur-2) var(--ease-standard);}
#bankFilter:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft);}
.count{color:var(--muted);font-size:.9rem;font-weight:700;white-space:nowrap;}
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-1);
  overflow-x:auto;-webkit-overflow-scrolling:touch;}
.section.alt .table-wrap{background:var(--surface-2);}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:.95rem;}
thead th{position:sticky;top:0;background:var(--surface-2);z-index:1;text-align:left;font-size:.74rem;font-weight:800;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding:15px 18px;border-bottom:2px solid var(--border);white-space:nowrap;}
.section.alt thead th{background:var(--surface-3);}
tbody td{padding:12px 18px;border-bottom:1px solid var(--border);vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background var(--dur-1) var(--ease-standard);}
tbody tr:hover{background:var(--surface-2);}
.section.alt tbody tr:hover{background:var(--surface-3);}
.bank-name{font-weight:700;}
.code{font-family:var(--mono);font-weight:800;font-size:.9rem;letter-spacing:.1em;background:var(--primary-soft);
  color:var(--primary);padding:6px 11px;border-radius:8px;display:inline-block;}
.tag{font-size:.75rem;font-weight:800;letter-spacing:.04em;padding:5px 11px;border-radius:var(--radius-pill);white-space:nowrap;
  background:var(--surface-2);color:var(--muted);border:1px solid var(--border);display:inline-block;}
.tag.pub{background:var(--primary-soft);color:var(--primary);border-color:color-mix(in srgb,var(--primary) 28%,transparent);}
.tag.pvt{background:var(--success-soft);color:var(--success);border-color:color-mix(in srgb,var(--success) 28%,transparent);}
.tag.sfb{background:var(--warn-soft);color:var(--warn);border-color:color-mix(in srgb,var(--warn) 34%,transparent);}
.row-btn{background:transparent;border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--text);
  font-family:inherit;font-size:.86rem;font-weight:700;padding:0 15px;cursor:pointer;white-space:nowrap;min-height:var(--tap);
  transition:border-color var(--dur-2) var(--ease-standard),color var(--dur-2) var(--ease-standard),
             background var(--dur-2) var(--ease-standard),transform var(--dur-2) var(--ease-spring);}
.row-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.row-btn:active{transform:scale(.95);}
.empty-row td{text-align:center;color:var(--muted);padding:38px 18px;font-weight:600;}
.note{margin-top:16px;font-size:.91rem;color:var(--muted);background:var(--surface-2);border-left:4px solid var(--primary);
  padding:15px 18px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;}
.section.alt .note{background:var(--surface-3);}
.note b{color:var(--text);}
.compare td:first-child{font-weight:800;white-space:nowrap;}

/* ------------------------------------------------------------- articles */
.articles{display:grid;gap:22px;}
.article{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-1);transition:box-shadow var(--dur-3) var(--ease-standard),border-color var(--dur-3) var(--ease-standard);}
.section.alt .article{background:var(--surface-2);}
.article:hover{box-shadow:var(--shadow-2);border-color:var(--border-strong);}
@media (max-width:620px){.article{padding:20px;}}
.article-head{display:flex;gap:15px;align-items:flex-start;margin-bottom:14px;}
.article-ico{width:46px;height:46px;flex:0 0 46px;border-radius:13px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);}
.article-ico svg{width:23px;height:23px;}
.article h3{font-size:1.16rem;margin:0;padding-top:9px;}
.article p{color:var(--muted);font-size:.98rem;}
.article p:last-child{margin-bottom:0;}
.article strong{color:var(--text);font-weight:700;}
.article .callout{background:var(--danger-soft);border:1px solid color-mix(in srgb,var(--danger) 28%,transparent);
  border-radius:var(--radius-sm);padding:15px 17px;margin:16px 0 0;color:var(--danger);font-size:.94rem;font-weight:600;}
.article .callout b{font-weight:800;}
.article .rule{background:var(--success-soft);border:1px solid color-mix(in srgb,var(--success) 30%,transparent);
  border-radius:var(--radius-sm);padding:15px 17px;margin:16px 0 0;color:var(--success);font-size:.94rem;font-weight:700;}

/* reflection band — the awareness thread that runs through the site */
.reflect{background:var(--surface-2);border:1px solid var(--border);border-left:4px solid var(--primary);
  border-radius:0 var(--radius) var(--radius) 0;padding:22px 24px;margin-top:26px;}
.section.alt .reflect{background:var(--surface-3);}
.reflect p{margin:0;font-size:1rem;color:var(--text);font-style:italic;line-height:1.75;}
.reflect .src{display:block;margin-top:10px;font-style:normal;font-size:.85rem;font-weight:700;color:var(--muted);letter-spacing:.04em;}

/* ---------------------------------------------------------------- about */
.mission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:28px;}
.mission-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:24px;}
.section.alt .mission-card{background:var(--surface-3);}
.mission-card .n{font-family:var(--mono);font-size:.8rem;font-weight:800;color:var(--primary);letter-spacing:.12em;margin-bottom:10px;}
.mission-card h3{font-size:1.05rem;}
.mission-card p{color:var(--muted);font-size:.94rem;margin-bottom:0;}

/* ------------------------------------------------------------------ faq */
.faq{max-width:860px;}
details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:11px;overflow:hidden;
  transition:border-color var(--dur-2) var(--ease-standard);}
.section.alt details{background:var(--surface-2);}
details[open]{border-color:var(--primary);}
summary{cursor:pointer;padding:16px 52px 16px 19px;font-weight:700;font-size:1rem;position:relative;list-style:none;
  min-height:var(--tap);display:flex;align-items:center;transition:background var(--dur-2) var(--ease-standard);}
summary::-webkit-details-marker{display:none;}
summary:hover{background:var(--surface-2);}
.section.alt summary:hover{background:var(--surface-3);}
summary::after{content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;border-right:2.5px solid var(--muted);
  border-bottom:2.5px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform var(--dur-3) var(--ease-spring);}
details[open] summary::after{transform:translateY(-25%) rotate(-135deg);border-color:var(--primary);}
details .ans{padding:0 19px 19px;color:var(--muted);font-size:.97rem;}
details .ans p:last-child{margin-bottom:0;}
details .ans strong{color:var(--text);}

/* -------------------------------------------------------------- glossary */
.gloss{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;}
.gterm{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:19px;}
.section.alt .gterm{background:var(--surface-2);}
.gterm dt{font-weight:800;font-size:.98rem;margin-bottom:5px;color:var(--text);}
.gterm dd{margin:0;font-size:.92rem;color:var(--muted);}

/* -------------------------------------------------------------- ad slots */
.ad-slot{max-width:var(--maxw);margin-inline:auto;padding:26px 20px;display:flex;justify-content:center;}
.ad-slot > .ad-inner{width:100%;min-height:100px;display:flex;align-items:center;justify-content:center;}
@media (min-width:768px){.ad-slot > .ad-inner{min-height:120px;}}
.ad-slot.is-placeholder .ad-inner{border:2px dashed var(--border-strong);border-radius:var(--radius-sm);color:var(--muted);
  font-size:.76rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;background:var(--surface-2);}

/* ---------------------------------------------------------------- legal */
.legal{max-width:880px;}
.legal h3{font-size:1.12rem;margin-top:32px;}
.legal h3:first-of-type{margin-top:0;}
.legal p,.legal li{color:var(--muted);font-size:.96rem;}
.legal strong{color:var(--text);}
.legal ul{padding-left:22px;}
.legal li{margin-bottom:9px;}
.compliance{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:18px;margin:26px 0;}
.comp-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:22px;}
.section.alt .comp-card{background:var(--surface-3);}
.comp-badge{display:inline-flex;align-items:center;gap:7px;background:var(--primary-soft);color:var(--primary);
  font-size:.73rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;padding:6px 12px;border-radius:var(--radius-pill);margin-bottom:12px;}
.comp-card h4{font-size:1rem;margin-bottom:8px;}
.comp-card p{font-size:.91rem;color:var(--muted);margin-bottom:0;}

/* --------------------------------------------------------------- footer */
.footer{background:var(--surface);border-top:1px solid var(--border);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:36px;}
.footer h4{font-size:.79rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;}
.footer p{color:var(--muted);font-size:.92rem;}
.footer ul{list-style:none;margin:0;padding:0;}
.footer li a{color:var(--muted);font-size:.93rem;font-weight:600;display:inline-flex;align-items:center;min-height:var(--tap);padding-right:8px;}
.footer li a:hover{color:var(--primary);}
.footer-bottom{margin-top:34px;padding-top:24px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;align-items:center;color:var(--muted);font-size:.87rem;}

/* -------------------------------------------------------------- consent */
.consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:350;background:var(--surface);border:1px solid var(--border-strong);
  border-radius:var(--radius);box-shadow:var(--shadow-3);padding:22px;max-width:660px;margin-inline:auto;
  transform:translateY(calc(100% + 32px));opacity:0;visibility:hidden;
  transition:transform var(--dur-4) var(--ease-expo),opacity var(--dur-3) var(--ease-standard),visibility 0s linear var(--dur-4);}
.consent.show{transform:none;opacity:1;visibility:visible;transition-delay:0s;}
.consent h3{font-size:1.04rem;margin-bottom:8px;}
.consent p{font-size:.92rem;color:var(--muted);margin-bottom:14px;}
.consent-actions{display:flex;flex-wrap:wrap;gap:var(--gap-tap);}
.btn-sm{min-height:var(--tap);padding:0 20px;border-radius:var(--radius-sm);font-family:inherit;font-size:.93rem;font-weight:700;
  cursor:pointer;border:2px solid transparent;display:inline-flex;align-items:center;justify-content:center;flex:1 1 auto;
  transition:transform var(--dur-2) var(--ease-spring),filter var(--dur-2) var(--ease-standard),background var(--dur-2) var(--ease-standard);}
.btn-sm:active{transform:scale(.96);}
.btn-accept{background:var(--primary);color:var(--primary-ink);}
.btn-accept:hover{filter:brightness(1.12);}
.btn-reject{background:var(--surface-2);color:var(--text);border-color:var(--border-strong);}
.btn-reject:hover{border-color:var(--primary);color:var(--primary);}
.consent-detail{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:.88rem;color:var(--muted);}
.consent-detail li{margin-bottom:7px;}
/* Compact card on phones and short (landscape) screens: a slim bottom strip with tighter type.
   The two choices stay side by side and the details stay available, just smaller. */
@media (max-width:640px),(max-height:520px){
  .consent{left:8px;right:8px;bottom:calc(8px + env(safe-area-inset-bottom,0px));padding:12px 14px;
    max-height:min(48vh,380px);overflow-y:auto;overscroll-behavior:contain;}
  .consent h3{font-size:.95rem;margin-bottom:4px;}
  .consent p{font-size:.84rem;line-height:1.4;margin-bottom:10px;}
  .consent-actions{flex-wrap:nowrap;}
  .consent .btn-sm{flex:1 1 0;min-width:0;padding:0 10px;font-size:.88rem;line-height:1.2;text-align:center;}
  .consent-detail{margin-top:10px;padding-top:10px;font-size:.8rem;line-height:1.4;}
  .consent-detail li{margin-bottom:5px;}
}

/* ---------------------------------------------------------------- toast */
#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,calc(100% + 48px));background:var(--text);color:var(--bg);
  padding:14px 24px;border-radius:var(--radius-pill);font-size:.92rem;font-weight:700;box-shadow:var(--shadow-3);z-index:400;
  transition:transform var(--dur-4) var(--ease-spring);pointer-events:none;max-width:90vw;text-align:center;}
#toast.show{transform:translate(-50%,0);}

/* --------------------------------------------------- offline / fallbacks */
.offline-bar{background:var(--warn-soft);color:var(--warn);border-bottom:1px solid color-mix(in srgb,var(--warn) 32%,transparent);
  text-align:center;padding:11px 16px;font-size:.9rem;font-weight:700;display:none;}
.offline-bar.show{display:block;}
.noscript{background:var(--warn-soft);color:var(--warn);border:1px solid color-mix(in srgb,var(--warn) 32%,transparent);
  padding:17px 20px;border-radius:var(--radius);margin:20px 0;font-weight:600;}

/* --------------------------------------------------------- brand shield */
:root{--shield-a:#093FA5;--shield-b:#0B6FB0;--shield-tick:#5BE3A6;--shield-vx:#FFFFFF;}
html[data-theme="dark"]{--shield-a:#8AB8FF;--shield-b:#6CCBF2;--shield-tick:#064E36;--shield-vx:#04122B;}
.brand-shield{width:40px;height:40px;flex:0 0 40px;display:block;filter:drop-shadow(0 1px 2px rgba(10,23,48,.2));}
.brand-shield .sa{stop-color:var(--shield-a);}
.brand-shield .sb{stop-color:var(--shield-b);}
.brand-shield .vx{fill:var(--shield-vx);}
.brand-shield .tick{stroke:var(--shield-tick);}
.brand-name{white-space:nowrap;}
html[lang="bn"] .brand-name,html[lang="hi"] .brand-name{letter-spacing:0;}

/* ------------------------------------------------ awareness bar (finder) */
.awareness{display:flex;gap:12px;align-items:flex-start;margin:0 0 16px;padding:13px 16px;
  background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 34%,transparent);border-left:5px solid var(--warn);
  border-radius:var(--radius-sm);}
.awareness svg{width:20px;height:20px;flex:0 0 20px;color:var(--warn);margin-top:2px;}
.awareness p{margin:0;color:var(--warn);font-weight:700;font-size:.95rem;line-height:1.55;}

/* ------------------------------------------------ touch-target / contrast */
.footer li a{min-width:var(--tap);}
/* Empty ad containers stay invisible until real ad code is pasted in and the
   "is-placeholder" class is removed — a dashed "Advertisement" box on a live
   page reads as unfinished to visitors and to AdSense reviewers alike. */
.ad-slot.is-placeholder{display:none;}

/* -------------------------------------------------------- awareness library */
.library{display:grid;gap:24px;}
.post{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow var(--dur-3) var(--ease-standard),border-color var(--dur-3) var(--ease-standard);}
.section.alt .post{background:var(--surface-2);}
.post:hover,.post.is-open{box-shadow:var(--shadow-2);border-color:var(--border-strong);}
.post:focus{outline:none;}
.post:focus-visible{outline:3px solid var(--primary);outline-offset:3px;}
.post-head{padding:28px 30px 26px;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-bottom:14px;font-size:.85rem;font-weight:700;color:var(--muted);}
.post-tag{background:var(--primary-soft);color:var(--primary);font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border-radius:var(--radius-pill);}
html[lang="bn"] .post-tag,html[lang="hi"] .post-tag{letter-spacing:.02em;font-size:.8rem;}
.post h3{font-size:clamp(1.3rem,3vw,1.72rem);line-height:1.28;margin:0 0 12px;max-width:36ch;}
html[lang="bn"] .post h3,html[lang="hi"] .post h3{line-height:1.45;}
.post-dek{font-size:1.04rem;color:var(--muted);max-width:70ch;margin:0 0 8px;}
.post-by{font-size:.87rem;font-weight:700;color:var(--muted);margin:0 0 20px;}

.toc{display:none;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px 8px;margin:0 0 20px;}
.js .toc{display:block;}
.section.alt .post .toc{background:var(--surface);}
.toc-h{font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 4px;}
html[lang="bn"] .toc-h,html[lang="hi"] .toc-h{letter-spacing:.02em;font-size:.84rem;}
.toc-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));column-gap:14px;counter-reset:toc;}
.toc-list li{counter-increment:toc;min-width:0;}
.toc-btn{display:flex;align-items:center;gap:11px;width:100%;min-height:var(--tap);padding:6px 8px;background:none;border:0;
  border-radius:var(--radius-sm);color:var(--text);font:inherit;font-size:.94rem;font-weight:600;line-height:1.4;text-align:left;cursor:pointer;
  transition:background var(--dur-1) var(--ease-standard),color var(--dur-1) var(--ease-standard);}
.toc-btn::before{content:counter(toc);flex:0 0 26px;height:26px;display:grid;place-items:center;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);font-size:.78rem;font-weight:800;}
html[lang="bn"] .toc-btn::before{content:counter(toc,bengali);}
.toc-btn:hover{background:var(--surface-3);color:var(--primary);}

.post-toggle{display:none;align-items:center;gap:10px;min-height:var(--tap);padding:0 22px;border-radius:var(--radius);
  border:2px solid var(--primary);background:var(--primary);color:var(--primary-ink);font:inherit;font-size:.97rem;font-weight:800;cursor:pointer;
  transition:transform var(--dur-2) var(--ease-spring),box-shadow var(--dur-2) var(--ease-standard),background var(--dur-2) var(--ease-standard),color var(--dur-2) var(--ease-standard);}
.js .post-toggle{display:inline-flex;}
.post-toggle:hover{box-shadow:var(--shadow-2);transform:translateY(-1px);}
.post-toggle:active{transform:scale(.97);}
.post-toggle svg{width:18px;height:18px;flex:0 0 18px;transition:transform var(--dur-3) var(--ease-spring);}
.post.is-open .post-toggle,.post-foot .post-toggle{background:transparent;color:var(--primary);}
.post.is-open .post-toggle svg{transform:rotate(180deg);}

.post-body{border-top:1px solid var(--border);padding:6px 30px 30px;}
.js .post:not(.is-open) .post-body{display:none;}
.post.is-open .post-body{animation:rise var(--dur-4) var(--ease-expo) both;}
@media (max-width:620px){.post-head{padding:20px 18px 22px;}.post-body{padding:4px 18px 22px;}}

.prose{max-width:74ch;font-size:1.03rem;color:var(--text);}
.prose h4{font-size:clamp(1.12rem,2.4vw,1.3rem);line-height:1.35;margin:1.9em 0 .6em;scroll-margin-top:96px;}
html[lang="bn"] .prose h4,html[lang="hi"] .prose h4{letter-spacing:0;line-height:1.5;}
.prose h4:focus{outline:none;}
.prose h4:focus-visible{outline:3px solid var(--primary);outline-offset:4px;}
.prose p{margin:0 0 1.05em;}
.prose ul,.prose ol{margin:0 0 1.25em;padding-left:1.4em;}
.prose li{margin:0 0 .65em;padding-left:.25em;}
.prose li::marker{color:var(--primary);font-weight:800;}
html[lang="bn"] .prose ol:not(.steps){list-style-type:bengali;}
.prose strong{font-weight:800;}
.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px;font-weight:700;}
.prose code{font-family:var(--mono);font-size:.86em;background:var(--surface-3);color:var(--text);padding:2px 7px;border-radius:6px;overflow-wrap:anywhere;}
.prose .checklist{list-style:none;padding-left:0;}
.prose .checklist li{position:relative;padding-left:40px;}
.prose .checklist li::before{content:"";position:absolute;left:0;top:.2em;width:24px;height:24px;border-radius:7px;background:var(--success-soft);border:2px solid var(--success);}
.prose .checklist li::after{content:"";position:absolute;left:9px;top:calc(.2em + 4px);width:6px;height:12px;border:solid var(--success);border-width:0 3px 3px 0;transform:rotate(45deg);}
.prose .steps{counter-reset:st;list-style:none;padding-left:0;}
.prose .steps li{counter-increment:st;position:relative;padding-left:48px;min-height:34px;}
.prose .steps li::before{content:counter(st);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;
  background:var(--primary);color:var(--primary-ink);display:grid;place-items:center;font-weight:800;font-size:.92rem;}
html[lang="bn"] .prose .steps li::before{content:counter(st,bengali);}
.prose .callout{margin:1.4em 0;padding:16px 18px;background:var(--danger-soft);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);
  border-left:5px solid var(--danger);border-radius:var(--radius-sm);}
.prose .callout p{margin:0;color:var(--text);}
.prose .callout strong{color:var(--danger);}
.prose .callout.ok{background:var(--success-soft);border-color:color-mix(in srgb,var(--success) 32%,transparent);border-left-color:var(--success);}
.prose .callout.ok strong{color:var(--success);}
.prose .verse{margin:1.5em 0;padding:20px 22px;background:var(--surface);border:1px solid var(--border);border-left:5px solid var(--primary);
  border-radius:0 var(--radius) var(--radius) 0;}
.prose .verse p{margin:0 0 .7em;}
.prose .verse p[lang]{font-size:1.08rem;font-weight:700;color:var(--primary);line-height:1.85;}
.prose .verse p:not([lang]){font-style:italic;}
html[lang="bn"] .prose .verse p:not([lang]),html[lang="hi"] .prose .verse p:not([lang]){font-style:normal;}
.prose .verse cite{display:block;font-style:normal;font-size:.86rem;font-weight:800;color:var(--muted);letter-spacing:.03em;}

.post-foot{display:flex;flex-wrap:wrap;gap:var(--gap-tap);margin-top:26px;padding-top:20px;border-top:1px solid var(--border);}
html:not(.js) .post-foot{display:none;}
.post-top{min-height:var(--tap);padding:0 18px;border-radius:var(--radius);border:1px solid var(--border-strong);background:transparent;
  color:var(--text);font:inherit;font-size:.93rem;font-weight:700;cursor:pointer;
  transition:border-color var(--dur-2) var(--ease-standard),color var(--dur-2) var(--ease-standard);}
.post-top:hover{border-color:var(--primary);color:var(--primary);}
.guides-note{margin-top:26px;}

/* ------------------------------------------------ compact language menu */
.lang-select-wrap{display:none;position:relative;}
.lang-select{appearance:none;-webkit-appearance:none;min-height:var(--tap);min-width:var(--tap);padding:0 36px 0 14px;
  background:var(--surface-2);color:var(--text);border:1px solid var(--border-strong);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.92rem;font-weight:700;cursor:pointer;}
.lang-select:focus-visible{outline:3px solid var(--primary);outline-offset:3px;}
.lang-select-wrap::after{content:"";position:absolute;right:15px;top:50%;width:8px;height:8px;margin-top:-6px;pointer-events:none;
  border-right:2.5px solid var(--muted);border-bottom:2.5px solid var(--muted);transform:rotate(45deg);}
@media (max-width:480px){
  .lang-switch{display:none;}
  .lang-select-wrap{display:block;}
  .header-inner{flex-wrap:nowrap;}
  .brand{min-width:0;}
}
@media (max-width:359px){.brand-name{font-size:.98rem;}}
#bankFilter::placeholder{color:var(--muted);opacity:1;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;
    transition-duration:.01ms !important;scroll-behavior:auto !important;}
}
@media print{
  .site-header,.consent,#toast,.ad-slot,.chips,.btn,.row-btn,.post-toggle,.toc,.post-foot{display:none !important;}
  .post-body{display:block !important;}
  body{background:#fff;color:#000;}
}

/* ===========================================================================
   Multi-page additions. The single-page design never needed real navigation;
   these rules add it, plus page headers, breadcrumbs, blog cards and the
   standalone article layout. All colours reuse the audited AAA tokens.
   =========================================================================== */

/* ------------------------------------------------------------- navigation */
.nav a.current{background:var(--primary-soft);color:var(--primary);}
.nav a.current:hover{background:var(--primary-soft);}

/* On phones the header keeps brand + language + theme; the links move to a
   non-sticky strip underneath, so the sticky header stays one row tall. */
.subnav{display:none;background:var(--surface);border-bottom:1px solid var(--border);}
.subnav-inner{display:flex;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:6px 20px;}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav a{flex:0 0 auto;display:inline-flex;align-items:center;min-height:var(--tap);padding:0 14px;border-radius:var(--radius-sm);
  color:var(--muted);font-size:.94rem;font-weight:700;white-space:nowrap;}
.subnav a:hover{text-decoration:none;color:var(--text);background:var(--surface-2);}
.subnav a.current{background:var(--primary-soft);color:var(--primary);}
@media (max-width:1100px){ .subnav{display:block;} }

/* ------------------------------------------------------------ breadcrumbs */
.crumbs{padding:18px 0 0;}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;font-size:.88rem;font-weight:600;color:var(--muted);}
.crumbs li{display:flex;align-items:center;gap:6px;min-width:0;}
.crumbs li + li::before{content:"/";color:var(--border-strong);font-weight:700;}
.crumbs a{display:inline-flex;align-items:center;min-height:var(--tap);color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs [aria-current]{color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(60vw,44ch);}

/* ----------------------------------------------------------- page headers */
.page-head{padding:14px 0 30px;}
.page-head h1{font-size:clamp(1.7rem,4.4vw,2.5rem);margin:0 0 14px;max-width:34ch;}
html[lang="bn"] .page-head h1,html[lang="hi"] .page-head h1{line-height:1.42;}
.page-head .lede{font-size:clamp(1.02rem,2.2vw,1.14rem);color:var(--muted);max-width:66ch;margin:0;}
.page-updated{margin-top:18px;font-size:.88rem;font-weight:700;color:var(--muted);}

/* body copy pages (about / privacy / terms / contact) */
.doc{max-width:74ch;}
.doc h2{font-size:clamp(1.24rem,2.8vw,1.55rem);margin:2em 0 .6em;}
.doc h2:first-child{margin-top:0;}
.doc h3{font-size:1.08rem;margin:1.7em 0 .5em;}
.doc p,.doc li{color:var(--muted);font-size:1rem;}
.doc p{margin:0 0 1.05em;}
.doc strong{color:var(--text);}
.doc ul,.doc ol{padding-left:1.4em;margin:0 0 1.25em;}
.doc li{margin-bottom:.6em;}
.doc li::marker{color:var(--primary);font-weight:800;}
.doc a{text-decoration:underline;text-underline-offset:3px;font-weight:700;}
.doc .mail{font-family:var(--mono);font-weight:700;font-size:1.02rem;}

/* a bordered block used for the contact address and other key call-outs */
.keybox{background:var(--surface-2);border:1px solid var(--border);border-left:5px solid var(--primary);
  border-radius:0 var(--radius) var(--radius) 0;padding:20px 22px;margin:0 0 26px;}
.section.alt .keybox{background:var(--surface-3);}
.keybox p{margin:0;}
.keybox .label{font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;}
html[lang="bn"] .keybox .label,html[lang="hi"] .keybox .label{letter-spacing:.02em;font-size:.84rem;}

/* ------------------------------------------------------------- blog cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:22px;}
.card-post{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:26px;
  transition:box-shadow var(--dur-3) var(--ease-standard),border-color var(--dur-3) var(--ease-standard),transform var(--dur-3) var(--ease-standard);}
.section.alt .card-post{background:var(--surface-2);}
.card-post:hover{box-shadow:var(--shadow-2);border-color:var(--border-strong);transform:translateY(-3px);}
.card-post .post-meta{margin-bottom:12px;}
.card-post h3{font-size:1.16rem;line-height:1.35;margin:0 0 10px;}
.card-post h3 a{color:var(--text);}
.card-post h3 a:hover{color:var(--primary);text-decoration:none;}
.card-post p{color:var(--muted);font-size:.96rem;margin:0 0 18px;}
.card-post .go{margin-top:auto;display:inline-flex;align-items:center;gap:8px;min-height:var(--tap);
  align-self:flex-start;padding:0 18px;border-radius:var(--radius);background:var(--primary);color:var(--primary-ink);
  font-weight:800;font-size:.95rem;}
.card-post .go:hover{text-decoration:none;box-shadow:var(--shadow-2);}
.card-post .go svg{width:16px;height:16px;}

/* ---------------------------------------------------------- article pages */
.article-page{max-width:820px;}
.guide-head{padding:14px 0 26px;border-bottom:1px solid var(--border);margin-bottom:8px;}
.guide-head h1{font-size:clamp(1.75rem,4.6vw,2.6rem);line-height:1.22;margin:12px 0 16px;}
html[lang="bn"] .guide-head h1,html[lang="hi"] .guide-head h1{line-height:1.42;}
.guide-head .dek{font-size:clamp(1.04rem,2.3vw,1.2rem);color:var(--muted);margin:0 0 18px;}
.byline{font-size:.9rem;font-weight:700;color:var(--muted);margin:0;}

/* static table of contents: plain anchors, no JavaScript needed */
.toc-static{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px 12px;margin:26px 0 30px;}
.section.alt .toc-static{background:var(--surface-3);}
.toc-static .toc-h{font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;}
html[lang="bn"] .toc-static .toc-h,html[lang="hi"] .toc-static .toc-h{letter-spacing:.02em;font-size:.84rem;}
.toc-static ol{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc-static li{counter-increment:toc;}
.toc-static a{display:flex;align-items:center;gap:11px;min-height:var(--tap);padding:4px 0;color:var(--text);
  font-size:.96rem;font-weight:600;line-height:1.4;}
.toc-static a::before{content:counter(toc);flex:0 0 26px;height:26px;display:grid;place-items:center;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);font-size:.78rem;font-weight:800;}
html[lang="bn"] .toc-static a::before{content:counter(toc,bengali);}
.toc-static a:hover{color:var(--primary);text-decoration:none;}

/* the article body reuses .prose from the single-page build */
.article-page .prose{max-width:none;}
.article-foot{margin-top:34px;padding-top:24px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:var(--gap-tap);}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;min-height:var(--tap);padding:0 20px;border-radius:var(--radius);
  border:1px solid var(--border-strong);background:transparent;color:var(--text);font:inherit;font-weight:700;font-size:.95rem;cursor:pointer;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;}

/* --------------------------------------------------------- 404 + footer */
.notfound{padding:80px 0;text-align:center;}
.notfound .code{font-family:var(--mono);font-size:3.4rem;font-weight:800;color:var(--primary);margin:0 0 10px;}
.notfound h1{font-size:clamp(1.5rem,4vw,2.1rem);margin:0 0 14px;}
.notfound p{color:var(--muted);max-width:52ch;margin:0 auto 26px;}
.notfound .row{display:flex;flex-wrap:wrap;gap:var(--gap-tap);justify-content:center;}
.footer .langs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.footer .langs a{display:inline-flex;align-items:center;min-height:var(--tap);padding:0 12px;border:1px solid var(--border);
  border-radius:var(--radius-sm);font-size:.9rem;font-weight:700;color:var(--muted);}
.footer .langs a.current{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}

/* ------------------------------------------- language switcher (as links) */
.lang-switch .lang-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;}
.lang-switch a.lang-btn:hover{background:var(--surface);color:var(--text);text-decoration:none;}
.lang-switch span.lang-btn[aria-current]{background:var(--primary);color:var(--primary-ink);}
/* the <select> fallback from the single-page build no longer exists */
.lang-select-wrap{display:none !important;}
/* below 1100px (five section links plus the Bengali labels need ~1,060px) the header keeps brand + theme only; language moves into the
   scrollable strip with the section links, so the sticky header stays one row */
.subnav .lang-switch{display:none;}
.subnav-inner{align-items:center;}
@media (max-width:1100px){
  .header-tools .lang-switch{display:none;}
  .subnav .lang-switch{display:flex;flex:0 0 auto;order:-1;margin-left:6px;}
}

/* --------------------------------------------- audit fixes (multi-page UI) */
/* the breadcrumb separator is text: give it the AAA-measured muted ink */
.crumbs li + li::before{color:var(--muted);}
/* short breadcrumb labels ("Home") still need a 48px target */
.crumbs a{min-width:var(--tap);justify-content:center;padding:0 6px;}
/* a card's title link is the primary target on that card */
.card-post h3 a{display:inline-block;padding:3px 0;}
.linkrow{display:flex;flex-wrap:wrap;gap:var(--gap-tap);margin-top:28px;}
/* short nav labels (Devanagari "होम" is only 18px wide) still need 48px */
.nav a,.subnav a{min-width:var(--tap);justify-content:center;}
/* the contact address is the page's primary action */
.keybox .mail a{display:inline-flex;align-items:center;min-height:var(--tap);}

/* ===========================================================================
   v6 — button resilience layer
   Appended last on purpose so it wins over the component rules above at equal
   specificity. Goals: no label ever clips or leaves its box (labels wrap
   instead), every tap answers immediately, Bengali/Devanagari keep their
   headline marks (matra / shirorekha) inside the box, and nothing "sticks" in
   a hover state after a touch.
   ========================================================================== */
.btn,.btn-ghost,.btn-mini,.btn-sm,.row-btn,.copy-btn,.chip,.lang-btn,.icon-btn,
.rc-share,.sos-call,.sos-links a,.rc-tabs button,.toc-btn,.footer .langs a,.nav a,.subnav a{
  touch-action:manipulation;                       /* no 300ms tap delay, no double-tap zoom on a button */
  -webkit-tap-highlight-color:transparent;
  -webkit-user-select:none;user-select:none;
}
/* labels wrap inside the button instead of overflowing it */
.btn,.btn-ghost,.btn-mini,.btn-sm,.copy-btn,.rc-share,.sos-call,.sos-links a,.rc-tabs button,.footer .langs a{
  box-sizing:border-box;max-width:100%;min-width:0;
  white-space:normal;overflow-wrap:break-word;word-break:normal;
  text-align:center;line-height:1.35;
}
.btn{padding:11px 30px;}
.btn-ghost,.btn-mini,.btn-sm,.copy-btn,.rc-share,.rc-tabs button,.sos-links a{padding-block:9px;}
.btn-ghost{justify-content:center;text-align:center;}
.chip{max-width:100%;box-sizing:border-box;white-space:normal;overflow-wrap:anywhere;padding-block:8px;line-height:1.3;}
.row-btn{box-sizing:border-box;line-height:1.3;padding-block:8px;}
.lang-btn{white-space:nowrap;}                     /* EN / বাং / हिं are short; the strip scrolls rather than wraps */
.sos-call{white-space:normal;text-align:center;}
/* an icon inside a button gets a fixed box: an unsized inline SVG otherwise takes whatever width the flex row leaves it */
.btn svg,.btn-ghost svg{width:18px;height:18px;flex:0 0 18px;}

/* Indic scripts: marks above the line and matras below it need more leading, and
   Latin-style tracking tears conjuncts apart. */
html[lang="bn"] :is(.btn,.btn-ghost,.btn-mini,.btn-sm,.row-btn,.copy-btn,.chip,.rc-share,.sos-call,.sos-links a,.rc-tabs button,.toc-btn,.footer .langs a,.nav a,.subnav a,.lang-btn),
html[lang="hi"] :is(.btn,.btn-ghost,.btn-mini,.btn-sm,.row-btn,.copy-btn,.chip,.rc-share,.sos-call,.sos-links a,.rc-tabs button,.toc-btn,.footer .langs a,.nav a,.subnav a,.lang-btn){
  line-height:1.55;letter-spacing:0;
}
html[lang="bn"] :is(.btn,.btn-ghost,.btn-mini,.btn-sm,.copy-btn,.rc-share,.rc-tabs button,.sos-links a),
html[lang="hi"] :is(.btn,.btn-ghost,.btn-mini,.btn-sm,.copy-btn,.rc-share,.rc-tabs button,.sos-links a){
  padding-block:10px;
}
html[lang="bn"] .btn,html[lang="hi"] .btn{padding-block:12px;}
html[lang="bn"] .chip,html[lang="hi"] .chip,html[lang="bn"] .copy-btn,html[lang="hi"] .copy-btn{letter-spacing:.01em;}

/* one consistent keyboard ring on every control */
.btn:focus-visible,.btn-ghost:focus-visible,.btn-mini:focus-visible,.btn-sm:focus-visible,.row-btn:focus-visible,
.copy-btn:focus-visible,.chip:focus-visible,.lang-btn:focus-visible,.icon-btn:focus-visible,.rc-share:focus-visible,
.sos-call:focus-visible,.rc-tabs button:focus-visible,.toc-btn:focus-visible{
  outline:3px solid var(--primary);outline-offset:3px;border-radius:var(--radius-sm);
}

/* ---- busy / done states (set by the page scripts through aria-busy and .is-done).
        The spinner is centred over the button and the label is hidden, not removed, so the button
        keeps its exact width and nothing beside it moves. ---- */
[aria-busy="true"]{position:relative;cursor:progress;pointer-events:none;--spin:var(--primary);}
.btn[aria-busy="true"]{--spin:var(--primary-ink);}
.btn[aria-busy="true"],.btn-ghost[aria-busy="true"],.btn-mini[aria-busy="true"],
.copy-btn[aria-busy="true"],.row-btn[aria-busy="true"]{color:transparent !important;}
.btn[aria-busy="true"] svg,.btn-ghost[aria-busy="true"] svg,.btn-mini[aria-busy="true"] svg,
.copy-btn[aria-busy="true"] svg{opacity:0;}
.btn[aria-busy="true"]::after,.btn-ghost[aria-busy="true"]::after,.btn-mini[aria-busy="true"]::after,
.copy-btn[aria-busy="true"]::after,.row-btn[aria-busy="true"]::after{
  content:"";position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;
  border:2.5px solid color-mix(in srgb,var(--spin) 28%,transparent);border-top-color:var(--spin);
  animation:spin .68s linear infinite;
}
[aria-disabled="true"]{opacity:.55;cursor:not-allowed;}
.btn.is-done{background:var(--success);color:var(--success-soft);}
.btn-ghost.is-done,.btn-mini.is-done,.copy-btn.is-done,.row-btn.is-done{border-color:var(--success);color:var(--success);background:var(--success-soft);}

/* a tap must not leave a button stuck in its hover pose */
@media (hover:none){
  .btn:hover{transform:none;filter:none;box-shadow:var(--shadow-2);}
  .chip:hover{transform:none;background:var(--surface-2);border-color:var(--border);color:var(--muted);}
  .row-btn:hover,.btn-ghost:hover,.btn-mini:hover,.copy-btn:hover,.icon-btn:hover{border-color:var(--border-strong);color:inherit;background:transparent;}
  .btn:active,.chip:active,.row-btn:active,.btn-ghost:active,.btn-mini:active,.copy-btn:active,.icon-btn:active{transform:scale(.96);}
}

/* ---- toast: a fixed element with left:50% only gets 50% of the viewport to wrap in;
        size it to its text instead, so a long Bengali/Hindi message is not squeezed ---- */
#toast{width:max-content;max-width:calc(100vw - 32px);box-sizing:border-box;
  bottom:max(26px,calc(env(safe-area-inset-bottom) + 14px));
  border-radius:var(--radius);padding:13px 22px;line-height:1.5;overflow-wrap:anywhere;}
html[lang="bn"] #toast,html[lang="hi"] #toast{line-height:1.65;}

/* ---- the bank directory: the "Look up →" button sat at x≈540-640, so on a phone it was
        off-screen until the table was scrolled sideways. Below 640px each bank becomes a card ---- */
@media (max-width:640px){
  #bankTable{min-width:0;}
  #bankTable,#bankTable tbody{display:block;}
  #bankTable thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
  #bankTable tbody tr{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;padding:12px 16px;border-bottom:1px solid var(--border);}
  #bankTable tbody tr:last-child{border-bottom:0;}
  #bankTable tbody td{padding:0;border:0;display:block;}
  #bankTable tbody td.bank-name{flex:1 1 100%;overflow-wrap:anywhere;}
  #bankTable tbody td:last-child{margin-left:auto;text-align:right !important;}
  #bankTable .empty-row td{flex:1 1 100%;padding:26px 8px;}
}