/* Kalpurush (Bangla glyphs only) — self-hosted, replaces the inline base64 face */
@font-face{font-family:"Kalpurush";src:url("../fonts/kalpurush.ttf") format("truetype");font-weight:100 900;font-display:swap;unicode-range:U+0964-0965,U+0980-09FF,U+200C-200D,U+25CC;}
:root{
  --ink:#0B1733; --paper:#F5F7FB; --surface:#FFFFFF; --line:#D9E0EC; --muted:#5A6785;
  --blue:#1D4ED8; --marigold:#E8A317; --growth:#0E9F6E; --neg:#C2410C;
  --deep:#0B1733; --on-deep:#F5F7FB; --on-blue:#FFFFFF;
  --blue-soft:rgba(29,78,216,.08); --mari-soft:rgba(232,163,23,.14);
  --nav-bg:rgba(245,247,251,.92); --shadow:rgba(11,23,51,.35);
  --font-display:"Kalpurush","Anek Bangla","Kalpurush","Hind Siliguri","Noto Sans Bengali",sans-serif;
  --font-body:"Kalpurush","Hind Siliguri","Noto Sans Bengali",sans-serif;
  --font-mono:"JetBrains Mono","Kalpurush","Hind Siliguri",ui-monospace,monospace;
  --band-dark-bg:#0B1733; --band-dark-surface:#13234B;
  --r:5px; --nav-h:60px; --gut:clamp(16px,4.5vw,28px);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#EAF0FA; --paper:#0A1226; --surface:#111C36; --line:#22304F; --muted:#93A0BC;
    --blue:#6E95FF; --marigold:#F2B840; --growth:#34C78F; --neg:#FB923C;
    --deep:#060C1C; --on-deep:#EAF0FA; --on-blue:#0A1226;
    --blue-soft:rgba(110,149,255,.12); --mari-soft:rgba(242,184,64,.14);
    --nav-bg:rgba(10,18,38,.9); --shadow:rgba(0,0,0,.6);
    --band-dark-bg:#040913; --band-dark-surface:#0C1630; --paper:#0E1A35; --surface:#14213F;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ink:#EAF0FA; --paper:#0A1226; --surface:#111C36; --line:#22304F; --muted:#93A0BC;
  --blue:#6E95FF; --marigold:#F2B840; --growth:#34C78F; --neg:#FB923C;
  --deep:#060C1C; --on-deep:#EAF0FA; --on-blue:#0A1226;
  --blue-soft:rgba(110,149,255,.12); --mari-soft:rgba(242,184,64,.14);
  --nav-bg:rgba(10,18,38,.9); --shadow:rgba(0,0,0,.6);
    --band-dark-bg:#040913; --band-dark-surface:#0C1630; --paper:#0E1A35; --surface:#14213F;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: no-preference){ html{scroll-behavior:smooth} }
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:clamp(17px,.4vw + 15.5px,18px);line-height:1.7;overflow-x:hidden;-webkit-tap-highlight-color:transparent}
h1,h2,h3{font-family:var(--font-display);line-height:1.2;margin:0}
p{margin:0}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:3px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.wrap{max-width:1120px;margin:0 auto;padding:0 var(--gut)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[id]{scroll-margin-top:calc(var(--nav-h) + 12px)}

/* ---------- bands: each sets its own tokens, so alternation holds in both themes ---------- */
section,.band{background:var(--paper);color:var(--ink)}
.band-soft{background:var(--surface)}
.band-dark{
  --ink:#EAF0FA; --paper:var(--band-dark-bg); --surface:var(--band-dark-surface); --line:rgba(234,240,250,.14); --muted:#A7B3CC;
  --blue:#86A6FF; --marigold:#F2B840; --growth:#3DD39A; --neg:#FB923C;
  --deep:#050A18; --on-deep:#EAF0FA; --on-blue:#0A1226;
  --blue-soft:rgba(134,166,255,.14); --mari-soft:rgba(242,184,64,.16);
  --nav-bg:rgba(11,23,51,.9); --shadow:rgba(0,0,0,.65);
  color-scheme:dark;
}
:root[data-theme="dark"] .band-dark{--nav-bg:rgba(4,9,19,.9)}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .band-dark{--nav-bg:rgba(4,9,19,.9)} }
.band-light{
  --ink:#0B1733; --paper:#F5F7FB; --surface:#FFFFFF; --line:#D9E0EC; --muted:#5A6785;
  --blue:#1D4ED8; --marigold:#E8A317; --growth:#0E9F6E; --neg:#C2410C;
  --blue-soft:rgba(29,78,216,.08); --mari-soft:rgba(232,163,23,.16); --on-blue:#FFFFFF;
  color-scheme:light;
}
.band-mari{
  --paper:#E8A317; --surface:#F2B840; --ink:#0B1733; --muted:#3D2C06; --line:rgba(11,23,51,.22);
  --blue:#0B1733; --on-blue:#F5F7FB; --marigold:#0B1733; --blue-soft:rgba(11,23,51,.08);
  color-scheme:light;
}
.band-dark,.band-light,.band-mari{color:var(--ink)}
.eyebrow,.kicker{font-family:var(--font-body)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--blue);color:var(--on-blue);font-family:var(--font-body);font-weight:600;font-size:17px;line-height:1.2;text-decoration:none;padding:12px 22px;border-radius:var(--r);min-height:48px;border:0;cursor:pointer;transition:transform .15s ease,filter .15s ease,box-shadow .15s ease}
.btn:hover{filter:brightness(1.1);box-shadow:0 8px 20px -10px var(--blue)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn .arr{transition:transform .2s ease}
.btn:hover .arr{transform:translateX(3px)}
.btn-sm{font-size:15px;padding:8px 14px;min-height:44px}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-line:hover{border-color:var(--ink);box-shadow:none;filter:none}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:20;background:var(--nav-bg);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:var(--nav-h)}
.mark{font-family:var(--font-display);font-weight:700;font-size:clamp(15px,1vw + 11px,18px);letter-spacing:.04em;color:var(--ink);text-decoration:none;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
.mark span{color:var(--blue)}
.nav-links{display:none;list-style:none;margin:0;padding:0;gap:4px}
.nav-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;color:var(--ink);text-decoration:none;font-weight:500;font-size:15.5px;border-radius:var(--r)}
.nav-links a:hover{background:var(--blue-soft);color:var(--blue)}

/* ---------- status strip ---------- */
.status{border-bottom:1px solid var(--line);background:var(--surface)}
.status .wrap{display:flex;align-items:center;gap:10px;min-height:44px;font-size:14.5px;color:var(--muted);flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.status b{color:var(--ink);font-weight:600}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--growth);flex:none;position:relative}
@media (prefers-reduced-motion: no-preference){
  .pulse::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--growth);animation:ping 1.8s ease-out infinite}
  @keyframes ping{0%{transform:scale(1);opacity:.7}100%{transform:scale(2.8);opacity:0}}
}
.status .sep{color:var(--line)}

/* ---------- sections ---------- */
section{padding:clamp(52px,8vw,96px) 0;border-bottom:1px solid var(--line)}
.kicker{font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--blue);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.kicker::before{content:"";width:22px;height:2px;background:var(--blue)}
h2{font-size:clamp(31px,4.6vw + 16px,60px);font-weight:700;line-height:1.1;letter-spacing:-.01em;max-width:20ch}
.lede{color:var(--muted);margin-top:16px;max-width:58ch;font-size:clamp(17px,.5vw + 15.5px,19px)}

/* ---------- hero ---------- */
.hero{padding:clamp(32px,7vw,88px) 0 clamp(48px,8vw,104px);position:relative;overflow:hidden;border-bottom:0;
  background-image:repeating-linear-gradient(to bottom,transparent 0 35px,rgba(234,240,250,.05) 35px 36px);background-color:var(--paper)}
.hero::before{content:"";position:absolute;top:0;bottom:0;left:clamp(8px,3vw,40px);width:1px;background:var(--marigold);opacity:.25}
.hero .wrap{position:relative}
.glow{position:relative}
.glow::before{content:"";position:absolute;inset:-12% -10%;background:radial-gradient(closest-side,rgba(29,78,216,.55),rgba(29,78,216,0));filter:blur(24px);z-index:0;pointer-events:none}
.glow .ledger{position:relative;z-index:1}
.hero-grid{display:grid;gap:36px}
.eyebrow{font-size:14.5px;font-weight:600;color:var(--blue)}
.hero h1{font-size:clamp(2.9rem,12.5vw,5.8rem);font-weight:700;letter-spacing:-.015em;line-height:.95;margin-top:12px}
.hero h1 .yr{color:var(--blue)}
.position{font-family:var(--font-display);font-weight:700;font-size:clamp(22px,2.4vw + 13px,32px);line-height:1.4;margin-top:18px;max-width:24ch}
.pillars{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:16px;font-family:var(--font-display);font-weight:700;letter-spacing:.12em;font-size:clamp(13px,.6vw + 11px,16px)}
.pillars .l{color:var(--blue)} .pillars .s{color:var(--ink)} .pillars .o{color:var(--marigold)} .pillars .dot{color:var(--muted);opacity:.5}
.aud{margin-top:14px;color:var(--muted);font-size:16px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:24px}

/* ledger card */
.ledger{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);position:relative;overflow:hidden;box-shadow:0 22px 44px -32px var(--shadow)}
.ledger::before{content:"";position:absolute;top:0;bottom:0;left:18px;width:1px;background:var(--marigold);opacity:.6}
.lg-pad{padding-left:32px;padding-right:16px}
.ledger-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap;padding-top:14px;padding-bottom:10px;border-bottom:2px solid var(--ink)}
.ledger-head b{font-family:var(--font-display);font-weight:700;font-size:17px}
.ledger-head small{color:var(--muted);font-size:13px}
.rows{margin:0;padding:0;list-style:none}
.rows li{display:grid;grid-template-columns:76px 1fr 46px;gap:10px;align-items:center;padding-top:9px;padding-bottom:9px;border-bottom:1px solid var(--line);font-size:15px}
.bar{height:6px;background:var(--line);border-radius:3px;position:relative;overflow:hidden}
.bar i{position:absolute;top:0;bottom:0;left:0;border-radius:3px;background:var(--muted)}
.rows .hl{background:var(--mari-soft)}
.rows .hl .bar i{background:var(--neg)}
.rows .v{font-family:var(--font-mono);font-size:14px;text-align:right}
.neg{color:var(--neg)} .pos{color:var(--growth)}
.before{padding-top:14px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.tag{display:inline-block;font-size:12.5px;font-weight:600;padding:1px 8px;border-radius:3px;border:1px solid var(--line);color:var(--muted);margin-bottom:6px}
.before p{font-family:var(--font-display);font-weight:600;font-size:clamp(17px,1vw + 14px,20px)}
.turn{display:flex;align-items:center;gap:10px;padding-top:10px;font-size:13px;font-weight:600;color:var(--blue)}
.turn::after{content:"";flex:1;height:1px;background:var(--blue);opacity:.35}
.after{padding-top:8px;padding-bottom:16px}
.after .tag{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}
.after .say{font-size:16px;line-height:1.75}
.after .say strong{font-weight:600}
.facts{margin:12px 0 0;padding:0;list-style:none;display:grid}
.facts li{display:grid;grid-template-columns:74px 1fr;gap:10px;font-size:15px;padding:7px 0;border-top:1px solid var(--line)}
.facts .k{font-size:13px;font-weight:600;color:var(--muted);padding-top:1px}
.facts li:last-child .v{font-weight:600;color:var(--growth)}
.ledger-foot{font-size:13px;color:var(--muted);padding-bottom:14px}
@media (prefers-reduced-motion: no-preference){
  .hero-copy > *{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
  .hero-copy > :nth-child(2){animation-delay:.08s} .hero-copy > :nth-child(3){animation-delay:.16s}
  .hero-copy > :nth-child(4){animation-delay:.24s} .hero-copy > :nth-child(5){animation-delay:.32s} .hero-copy > :nth-child(6){animation-delay:.4s}
  .glow{animation:rise .9s cubic-bezier(.2,.7,.2,1) .2s both}
  .after .tag,.after .say,.facts li{animation:rise .6s ease-out both}
  .after .tag{animation-delay:.5s} .after .say{animation-delay:.9s}
  .facts li:nth-child(1){animation-delay:1.5s} .facts li:nth-child(2){animation-delay:1.8s} .facts li:nth-child(3){animation-delay:2.1s}
  .turn{animation:fadein .5s ease-out .25s both}
  .bar i{animation:grow 1s ease-out both}
  @keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  @keyframes fadein{from{opacity:0}to{opacity:1}}
  @keyframes grow{from{transform:scaleX(0);transform-origin:left}to{transform:scaleX(1);transform-origin:left}}
}

/* ---------- hook ---------- */
.hook h2{max-width:18ch;font-size:clamp(2.2rem,6.4vw + .6rem,4.8rem);font-weight:700;line-height:1.08}
.hook h2 em{font-style:normal;color:var(--blue);display:block;margin-top:.15em}
.hook p{margin-top:22px;max-width:56ch;color:var(--muted);font-size:clamp(17px,.6vw + 15.5px,20px)}

/* ---------- outcomes (dark band, oversized trio) ---------- */
.trio{margin:28px 0 0;font-family:var(--font-display);font-weight:700;line-height:1.02;letter-spacing:-.015em;font-size:clamp(2.6rem,11vw,7rem)}
.trio span{display:block}
.trio .w1{color:var(--blue)} .trio .w2{color:var(--ink)} .trio .w3{color:var(--marigold)}
.trio .ar{display:inline-block;font-family:var(--font-mono);font-weight:400;font-size:.4em;color:var(--muted);vertical-align:.35em;margin-right:.3em}
.outcomes{display:grid;gap:12px;margin-top:40px}
.outcome{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--c);border-radius:var(--r);padding:22px;transition:transform .2s ease,border-color .2s ease}
.outcome:hover{transform:translateY(-2px)}
.outcome .en{font-family:var(--font-display);font-size:13px;letter-spacing:.14em;font-weight:700;color:var(--c)}
.outcome h3{font-size:clamp(22px,1.5vw + 16px,28px);font-weight:700;margin-top:2px}
.outcome p{color:var(--muted);margin-top:6px;font-size:16px}
.o1{--c:var(--blue)} .o2{--c:var(--ink)} .o3{--c:var(--marigold)}
.promise{margin-top:28px;padding-left:16px;border-left:3px solid var(--marigold);font-family:var(--font-display);font-weight:600;font-size:clamp(18px,1vw + 15px,22px);max-width:40ch}

/* ---------- experience + demos ---------- */
.exp{list-style:none;margin:28px 0 0;padding:0;display:grid;border-top:2px solid var(--ink)}
.exp li{display:grid;grid-template-columns:40px 1fr;gap:10px;padding:13px 0;border-bottom:1px solid var(--line);font-family:var(--font-display);font-weight:600;font-size:clamp(17px,.8vw + 14px,20px);align-items:baseline}
.exp li .mono{font-size:13px;color:var(--blue);font-weight:400}
.feel{display:flex;gap:10px;align-items:flex-start;margin-top:22px;padding:14px 16px;background:var(--blue-soft);border-radius:var(--r);font-size:16px}
.feel b{color:var(--blue)}
.demos{margin-top:44px}
.demos-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.demos-h h3{font-size:clamp(20px,1vw + 16px,24px);font-weight:700}
.demos-h small{color:var(--muted);font-size:14px}
.demo{border:1px solid var(--line);background:var(--surface);border-radius:var(--r);margin-top:12px;display:grid;transition:border-color .2s ease,box-shadow .2s ease}
.demo:hover{border-color:var(--blue);box-shadow:0 12px 30px -24px var(--shadow)}
.demo-h{display:flex;gap:10px;align-items:baseline;padding:12px 16px;border-bottom:1px solid var(--line)}
.demo-h .no{font-size:13px;font-weight:600;color:var(--blue);background:var(--blue-soft);padding:0 7px;border-radius:3px}
.demo-h b{font-family:var(--font-display);font-size:18px}
.step{padding:11px 16px;display:grid;grid-template-columns:64px 1fr;gap:10px;font-size:16px}
.step + .step{border-top:1px dashed var(--line)}
.step .k{font-size:13px;font-weight:600;padding-top:2px}
.k-p{color:var(--muted)} .k-a{color:var(--blue)} .k-r{color:var(--growth)}
.step q{quotes:"“" "”"}
.demo-note{font-size:14px;color:var(--muted);margin-top:12px}

/* ---------- takeaways ---------- */
.big-quote{font-family:var(--font-display);font-weight:700;font-size:clamp(2.3rem,6.6vw + .5rem,5.2rem);line-height:1.08;letter-spacing:-.015em;max-width:16ch}
.big-quote::before{content:"“";display:block;font-size:1.4em;line-height:.6;color:var(--marigold);margin-bottom:.1em}
.big-quote span{color:var(--blue)}
.take{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:0 32px}
.take li{padding:12px 0 12px 32px;border-bottom:1px solid var(--line);position:relative}
.take li::before{content:"";position:absolute;left:5px;top:20px;width:12px;height:7px;border-left:2px solid var(--growth);border-bottom:2px solid var(--growth);transform:rotate(-45deg)}
.take small{display:block;color:var(--muted);font-size:14.5px}

/* ---------- agenda timeline ---------- */
.mix{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.mix span{font-size:14.5px;font-weight:500;padding:4px 10px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.timeline{list-style:none;margin:28px 0 0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:74px;top:10px;bottom:10px;width:2px;background:var(--line)}
.timeline li{display:grid;grid-template-columns:60px 1fr;gap:30px;padding:9px 0;position:relative;font-size:16px;align-items:baseline}
.timeline li::before{content:"";position:absolute;left:69px;top:17px;width:12px;height:12px;border-radius:50%;background:var(--surface);border:2px solid var(--muted)}
.timeline .t{font-family:var(--font-mono);font-size:14px;color:var(--muted);text-align:right}
.timeline .brk{color:var(--muted)}
.timeline .brk::before{border-color:var(--line);background:var(--paper)}
.timeline .live::before{border-color:var(--blue);background:var(--blue)}
.timeline .live .s::after{content:"লাইভ";font-size:12px;font-weight:600;color:var(--blue);border:1px solid var(--blue);border-radius:3px;padding:0 6px;margin-left:8px;vertical-align:1px;white-space:nowrap}
.timeline .end::before{border-color:var(--marigold);background:var(--marigold)}
.timeline .s{font-weight:500}
.timeline .brk .s{font-weight:400}

/* ---------- audience ---------- */
.aud-grid{display:grid;gap:26px;margin-top:28px}
.aud-grid h3{font-size:14.5px;font-family:var(--font-body);font-weight:600;color:var(--muted);margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.chips li{border:1px solid var(--ink);padding:6px 12px;border-radius:var(--r);font-weight:500;font-size:15.5px;background:var(--surface)}
.chips.sec li{border-color:var(--line);color:var(--muted)}

/* ---------- speaker ---------- */
.spk{display:grid;gap:22px;margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,4vw,40px)}
.spk-top{display:flex;gap:16px;align-items:center}
.mono-gram{width:84px;height:84px;flex:none;border-radius:var(--r);background:var(--deep);color:var(--on-deep);display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:34px;position:relative}
.mono-gram::after{content:"";position:absolute;left:12px;right:12px;bottom:12px;height:2px;background:var(--marigold)}
.spk h3{font-size:clamp(23px,2vw + 15px,34px);font-weight:700}
.spk .en-name{display:block;font-family:var(--font-body);font-weight:500;font-size:15px;color:var(--muted);margin-top:2px}
.spk .role{display:inline-block;font-size:14px;font-weight:600;color:var(--blue);background:var(--blue-soft);padding:3px 10px;border-radius:3px}
.spk .bio{max-width:62ch}
.stats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stats li{border:1px solid var(--line);border-radius:var(--r);padding:12px;background:var(--paper)}
.stats b{display:block;font-family:var(--font-display);font-weight:700;font-size:clamp(22px,1.6vw + 16px,30px);line-height:1.1;color:var(--ink)}
.stats span{font-size:14px;color:var(--muted);line-height:1.4;display:block;margin-top:4px}
.stats li:first-child b{color:var(--blue)}
.roles{list-style:none;margin:0;padding:0;display:grid;gap:0}
.roles li{padding:10px 0;border-top:1px solid var(--line);font-size:16px;display:grid;grid-template-columns:1fr;gap:0}
.roles li small{color:var(--muted);font-size:14px}
.spk-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-weight:600;text-decoration:none}
.spk-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- future ---------- */
.future{display:grid;gap:12px;margin-top:28px}
.col{border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:18px}
.col h3{font-size:20px;font-weight:700;margin-top:2px}
.col .when{font-size:13.5px;font-weight:600;color:var(--muted)}
.col ul{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.col li{font-size:15px;padding:3px 10px;border:1px solid var(--line);border-radius:3px}
.col.tomorrow{border-color:var(--blue)}
.col.tomorrow .when{color:var(--blue)}
.col.tomorrow li{border-color:transparent;color:var(--blue);background:var(--blue-soft)}
.flow{display:flex;flex-wrap:wrap;gap:6px 8px;align-items:center;margin-top:20px;font-weight:600;font-size:15.5px}
.flow span{padding:4px 10px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line)}
.flow i{font-style:normal;color:var(--muted)}
.flow .ai{background:var(--blue);color:var(--on-blue);border-color:var(--blue)}
.future-note{margin-top:16px;color:var(--muted);max-width:60ch;font-size:16px}
.future-note a{font-weight:600}

/* ---------- faq ---------- */
.faq{margin-top:24px;border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:14px 44px 14px 0;min-height:56px;display:flex;align-items:center;font-weight:600;font-size:clamp(16.5px,.5vw + 15px,18px);list-style:none;position:relative;transition:color .15s ease}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:10px;top:50%;width:10px;height:10px;border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:translateY(-70%) rotate(45deg);transition:transform .2s ease}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq summary:hover{color:var(--blue)}
.faq details p{padding:0 0 18px;color:var(--muted);max-width:62ch}

/* ---------- registration ---------- */

.reg-card{margin-top:28px;display:grid;gap:0;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);overflow:hidden}
.reg-info{padding:clamp(20px,4vw,36px)}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);background:var(--mari-soft);border:1px solid var(--marigold);padding:4px 10px;border-radius:var(--r)}
.badge .pulse{background:var(--marigold)}
.badge .pulse::after{background:var(--marigold)}
.reg-info h3{font-size:clamp(22px,1.6vw + 16px,30px);font-weight:700;margin-top:14px}
.reg-info p{color:var(--muted);margin-top:8px}
.need{list-style:none;margin:18px 0 0;padding:0;counter-reset:n}
.need li{counter-increment:n;display:grid;grid-template-columns:28px 1fr;gap:10px;padding:8px 0;border-top:1px solid var(--line);font-size:16px}
.need li::before{content:counter(n);font-family:var(--font-mono);font-size:13px;color:var(--blue);padding-top:3px}
.reg-form{padding:clamp(20px,4vw,36px);background:var(--surface);border-top:1px solid var(--line)}
form fieldset{border:0;margin:0;padding:0;display:grid;gap:14px;min-width:0}
legend{font-size:14px;font-weight:600;color:var(--muted);margin-bottom:6px;padding:0}
.field label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
.field input,.field select{width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;min-height:48px;-webkit-appearance:none;appearance:none}
.field select{-webkit-appearance:menulist;appearance:auto}
.field input:disabled,.field select:disabled{opacity:.7;cursor:not-allowed}
.two{display:grid;gap:14px}
.locked{border:1px dashed var(--muted);border-radius:var(--r);padding:14px 16px;text-align:center;font-weight:600;min-height:56px}
.locked small{display:block;color:var(--muted);font-weight:400;font-size:14.5px;margin-top:2px}

/* ---------- personal note ---------- */
.note-card{margin-top:36px;max-width:720px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,4vw,36px);position:relative;padding-left:clamp(34px,5vw,48px)}
.note-card::before{content:"";position:absolute;top:0;bottom:0;left:clamp(12px,2.4vw,20px);width:1px;background:var(--marigold);opacity:.7}
.note-card .hi{font-family:var(--font-display);font-weight:700;font-size:clamp(22px,1.6vw + 16px,28px);color:var(--blue)}
.note-card p{margin-top:12px;line-height:2;font-size:clamp(17px,.4vw + 15.5px,18.5px)}
.note-card .sign{margin-top:18px;font-family:var(--font-display);font-weight:700;font-size:18px}
.note-card .sign small{display:block;font-family:var(--font-body);font-weight:500;font-size:14px;color:var(--muted)}

/* ---------- hands-on ---------- */
.nope{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;list-style:none;padding:0}
.nope li{font-size:15px;font-weight:600;padding:6px 12px;border-radius:var(--r);border:1px solid var(--line);color:var(--muted);text-decoration:line-through;text-decoration-color:var(--neg);text-decoration-thickness:2px}
.nope li.yes{text-decoration:none;color:var(--on-blue);background:var(--blue);border-color:var(--blue)}
.hands{list-style:none;margin:32px 0 0;padding:0;display:grid;gap:12px;counter-reset:h}
.hand{counter-increment:h;display:grid;grid-template-columns:52px 1fr;gap:14px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:border-color .2s ease,transform .2s ease}
.hand:hover{border-color:var(--blue);transform:translateY(-2px)}
.hand::before{content:counter(h,bengali);font-family:var(--font-display);font-weight:700;font-size:30px;line-height:1;color:var(--on-blue);background:var(--blue);border-radius:var(--r);width:52px;height:52px;display:grid;place-items:center}
.hand h3{font-size:clamp(19px,.8vw + 16px,22px);font-weight:700}
.hand p{color:var(--muted);margin-top:4px;font-size:16px}
.hand .get{display:inline-block;margin-top:10px;font-size:14px;font-weight:600;color:var(--growth)}
.bring{margin-top:24px;display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:var(--r);background:var(--mari-soft);border:1px solid var(--marigold);font-size:16px;max-width:720px}
.bring b{font-family:var(--font-display)}

/* ---------- try today prompts ---------- */
.prompts{display:grid;gap:12px;margin-top:32px}
.pr{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.pr-h{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px 10px 16px;border-bottom:1px solid var(--line)}
.pr-h b{font-family:var(--font-display);font-size:17px}
.pr-h b small{font-family:var(--font-body);font-weight:500;font-size:13px;color:var(--muted);margin-left:6px}
.cp{font:inherit;font-size:14.5px;font-weight:600;min-height:44px;padding:0 14px;border-radius:var(--r);border:1px solid var(--blue);background:transparent;color:var(--blue);cursor:pointer;white-space:nowrap;transition:background .15s ease,color .15s ease}
.cp:hover{background:var(--blue);color:var(--on-blue)}
.cp.ok{background:var(--growth);border-color:var(--growth);color:#06281C}
.pr-t{padding:14px 16px 16px;font-size:16px;line-height:1.8;flex:1}
.pr-t mark{background:var(--mari-soft);color:var(--ink);padding:0 4px;border-radius:3px}
.safe{margin-top:18px;font-size:15px;color:var(--muted)}
.safe b{color:var(--ink)}
.spk-quote{margin-top:22px;font-family:var(--font-display);font-weight:700;font-size:clamp(22px,1.8vw + 15px,32px);line-height:1.35;max-width:30ch;padding-left:16px;border-left:3px solid var(--marigold)}

/* ---------- time + second business ---------- */
.time-grid{display:grid;gap:16px;margin-top:32px}
.tcol{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:clamp(18px,3vw,28px)}
.tcol h3{font-size:clamp(20px,1vw + 16px,24px);font-weight:700}
.tcol .sub{color:var(--muted);font-size:15px;margin-top:4px}
.save{list-style:none;margin:16px 0 0;padding:0}
.save li{display:grid;grid-template-columns:1fr;gap:2px;padding:12px 0;border-top:1px solid var(--line)}
.save b{font-family:var(--font-display);font-weight:700;font-size:18px}
.save span{color:var(--muted);font-size:15.5px}
.save span::before{content:"→ ";color:var(--growth);font-weight:700}
.biz{list-style:none;margin:16px 0 0;padding:0;counter-reset:b}
.biz li{counter-increment:b;display:grid;grid-template-columns:38px 1fr;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.biz li::before{content:counter(b,bengali);font-family:var(--font-display);font-weight:700;font-size:20px;color:#0B1733;background:var(--marigold);border-radius:var(--r);width:38px;height:38px;display:grid;place-items:center}
.biz b{font-family:var(--font-display);font-weight:700;font-size:18px;display:block}
.biz span{color:var(--muted);font-size:15.5px}
.time .pr{margin-top:16px}
.caution{margin-top:18px;font-size:15px;color:var(--muted);max-width:70ch}
.closing .also{margin-top:16px;font-family:var(--font-display);font-weight:700;font-size:clamp(20px,1.4vw + 14px,28px);max-width:30ch;line-height:1.35}
.closing .also a{color:inherit;text-underline-offset:5px}
.profile-link{display:inline-flex;align-items:center;gap:8px;margin-top:6px}

/* ---------- no fear ---------- */
.fear h2{max-width:22ch}
.fear .lede{color:var(--ink);opacity:.85}
.fear-grid{display:grid;gap:16px;margin-top:32px}
.zero{list-style:none;margin:0;padding:0;counter-reset:z;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:8px 20px}
.zero li{counter-increment:z;display:grid;grid-template-columns:40px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.zero li:first-child{border-top:0}
.zero li::before{content:counter(z,bengali);font-family:var(--font-display);font-weight:700;font-size:20px;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:#0B1733;color:#F5F7FB}
.zero b{font-family:var(--font-display);font-weight:700;font-size:18px;display:block}
.zero span{font-size:15.5px;color:var(--muted)}
.must{background:#0B1733;color:#F5F7FB;border-radius:var(--r);padding:clamp(20px,3vw,28px)}
.must h3{font-size:clamp(22px,1.4vw + 16px,28px);font-weight:700;color:#F2B840}
.must ul{list-style:none;margin:14px 0 0;padding:0}
.must li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:baseline;padding:11px 0;border-top:1px solid rgba(234,240,250,.16);font-size:16.5px}
.must .tag-must{font-size:12.5px;font-weight:700;color:#0B1733;background:#F2B840;border-radius:3px;padding:1px 8px;white-space:nowrap}
.must .tag-opt{font-size:12.5px;font-weight:600;color:#A7B3CC;border:1px solid rgba(234,240,250,.3);border-radius:3px;padding:0 7px;white-space:nowrap}
.must .warn{margin-top:14px;font-weight:600;color:#F2B840;font-size:16px}
.status .req{color:var(--marigold);font-weight:600}

/* ---------- speaker panel ---------- */
.panel-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-top:44px}
.panel-h h3{font-size:clamp(22px,1.4vw + 16px,28px);font-weight:700}
.sample-note{font-size:13.5px;font-weight:600;color:#0B1733;background:var(--marigold);padding:3px 10px;border-radius:3px}
.panel{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:12px}
.pc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start;align-content:start;position:relative}
.pc .av{width:72px;height:72px;display:block}
.pc h4{margin:0;font-family:var(--font-display);font-weight:700;font-size:20px}
.pc .r{display:block;color:var(--muted);font-size:15px;margin-top:2px}
.pc .ses{margin:10px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.pc .ses li{font-size:13.5px;font-weight:600;color:var(--blue);background:var(--blue-soft);padding:2px 8px;border-radius:3px}
.pc .smp{position:absolute;top:10px;right:10px;font-size:11.5px;font-weight:700;color:#0B1733;background:var(--marigold);padding:0 6px;border-radius:3px}
.pc.main{border-color:var(--marigold)}

/* ---------- fee ---------- */
.fee{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-top:16px}
.fee b{font-family:var(--font-display);font-weight:700;font-size:clamp(26px,2vw + 18px,36px);color:var(--marigold)}
.fee span{font-size:15.5px;color:var(--muted)}
.reg-fee{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.reg-fee div{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;background:var(--surface)}
.reg-fee small{display:block;font-size:13px;color:var(--muted)}
.reg-fee b{font-family:var(--font-display);font-weight:700;font-size:22px}

/* ---------- closing + footer ---------- */
.closing{border-bottom:0}
.closing .q{font-family:var(--font-display);font-weight:700;font-size:clamp(1.9rem,4.4vw + .7rem,3.8rem);max-width:22ch;line-height:1.12;letter-spacing:-.01em}
.closing .stack{margin-top:22px;font-family:var(--font-display);font-weight:700;letter-spacing:.08em;font-size:clamp(17px,1.6vw + 12px,24px);line-height:1.5}
.closing .stack span{display:block}
.closing .stack span{color:var(--ink)} .closing .stack span:nth-child(2){opacity:.75}
.closing .cta-row{margin-top:28px}
footer{background:var(--deep);color:var(--on-deep);padding:40px 0 32px}
.foot-grid{display:grid;gap:26px}
.foot-brand{font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:.04em}
.foot-brand span{color:var(--marigold)}
footer p{opacity:.75;font-size:15px;margin-top:6px}
footer h4{margin:0 0 6px;font-size:14px;font-weight:600;opacity:.7}
footer ul{list-style:none;margin:0;padding:0}
footer ul a{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--on-deep);text-decoration:none;font-weight:500}
footer ul a:hover{color:var(--marigold);text-decoration:underline;text-underline-offset:4px}
footer ul a small{opacity:.6;font-weight:400;font-size:13px}
.foot-powered{margin-top:12px;font-weight:600;opacity:.95}
.foot-powered a{color:var(--marigold);text-decoration:none}
.foot-powered a:hover{text-decoration:underline;text-underline-offset:3px}
.copy{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:14px;opacity:.7;display:flex;flex-wrap:wrap;gap:6px 20px;justify-content:space-between}
.copy-powered a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
.copy-powered a:hover{color:var(--marigold)}

/* ---------- mobile bottom bar ---------- */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--nav-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px var(--gut) calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:space-between;gap:12px;transition:transform .25s ease}
.mbar .txt{font-size:14.5px;line-height:1.35}
.mbar .txt b{display:block;font-family:var(--font-display);font-size:16px}
.mbar .txt span{color:var(--muted)}
.mbar.hide{transform:translateY(110%)}
footer{padding-bottom:calc(32px + 80px + env(safe-area-inset-bottom))}
.ext::after{content:"↗";font-size:.85em;opacity:.7;margin-left:2px}

/* ---------- breakpoints ---------- */
@media (max-width:380px){
  .hide-xs{display:none}
  .step{grid-template-columns:1fr;gap:0}
  .timeline::before{left:62px}
  .timeline li{grid-template-columns:48px 1fr;gap:30px}
  .timeline li::before{left:57px}
}
@media (min-width:600px){
  .prompts{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(4,1fr)}
  .two{grid-template-columns:1fr 1fr}
  .take{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (min-width:760px){
  .panel{grid-template-columns:repeat(2,1fr)}
  .hands{grid-template-columns:1fr 1fr}
  .mbar{display:none}
  footer{padding-bottom:32px}
  .outcomes{grid-template-columns:repeat(3,1fr);gap:16px}
  .aud-grid{grid-template-columns:1.3fr 1fr}
  .future{grid-template-columns:1fr 1fr}
  .exp{grid-template-columns:1fr 1fr;column-gap:32px}
  .demo{grid-template-columns:1fr 1fr 1fr}
  .demo-h{grid-column:1/-1}
  .step{grid-template-columns:1fr;gap:2px;padding:14px 16px}
  .step + .step{border-top:0;border-left:1px dashed var(--line)}
  .spk{grid-template-columns:1.25fr 1fr;align-items:start}
  .spk-top,.spk .bio-wrap{grid-column:1}
  .spk .side{grid-column:2;grid-row:1 / span 2}
  .mono-gram{width:104px;height:104px;font-size:42px}
}
@media (min-width:1080px){ .nav-links{display:flex} }
@media (min-width:960px){
  .panel{grid-template-columns:repeat(4,1fr)}
  .pc{grid-template-columns:1fr}
  .fear-grid{grid-template-columns:1.1fr 1fr;align-items:start}
  .time-grid{grid-template-columns:1fr 1fr;align-items:start}
  .hero-grid{grid-template-columns:1.05fr 1fr;align-items:center;gap:56px}
  .hero h1{font-size:clamp(3.6rem,6.2vw,5.6rem)}
  .reg-card{grid-template-columns:1fr 1.15fr}
  .reg-form{border-top:0;border-left:1px solid var(--line)}
  .agenda-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
  .timeline{margin-top:0}
}