:root{
  --bg:#ffffff;--bg2:#f5f7fb;--card:#ffffff;--fg:#0f1728;--mut:#58637a;--line:#e4e8f0;
  --brand:#0fb5a0;--brand2:#4f46e5;--brandfg:#04201c;--ring:rgba(15,181,160,.35);
  --shadow:0 1px 2px rgba(15,23,40,.05),0 8px 24px rgba(15,23,40,.06);
  --r:16px;--ph:#fff3bf;--phf:#5c4500;
  --hero1:#080d1c;--hero2:#0e1630;
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0a0f1c;--bg2:#0e1527;--card:#111a2e;--fg:#eaf0fb;--mut:#9aa8c2;--line:#223049;
  --brand:#2dd4bf;--brand2:#818cf8;--brandfg:#04201c;--ring:rgba(45,212,191,.4);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);--ph:#4a3b00;--phf:#ffe58a;
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali",sans-serif;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
h1,h2,h3,h4{font-family:Manrope,Inter,system-ui,sans-serif;line-height:1.15;letter-spacing:-.02em;margin:0}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.sr{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--brand);color:var(--brandfg);padding:8px 12px;border-radius:8px;z-index:100}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px}

/* header */
.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:Manrope,sans-serif;font-weight:800;font-size:21px;letter-spacing:-.03em}
.logo i{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-style:normal;font-size:18px}
.logo b{font-weight:800;color:var(--brand)}
nav.main{display:flex;align-items:center;gap:4px}
nav.main a{text-decoration:none;padding:8px 12px;border-radius:10px;font-weight:500;font-size:15px;color:var(--mut)}
nav.main a:hover,nav.main a.on{color:var(--fg);background:var(--bg2)}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--fg);width:42px;height:42px;border-radius:10px;font-size:20px;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-p{background:var(--brand);color:var(--brandfg);box-shadow:0 6px 18px -6px var(--brand)}
.btn-g{background:transparent;color:inherit;border-color:var(--line)}
.btn-g:hover{background:var(--bg2)}
.hero .btn-g{border-color:rgba(255,255,255,.25);color:#fff}
.hero .btn-g:hover{background:rgba(255,255,255,.08)}
.btn svg{width:18px;height:18px}
.ico{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* hero */
.hero{background:radial-gradient(900px 500px at 85% -10%,rgba(79,70,229,.45),transparent 60%),radial-gradient(700px 480px at 0% 110%,rgba(15,181,160,.35),transparent 60%),linear-gradient(180deg,var(--hero1),var(--hero2));color:#fff;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 70% 30%,#000 0,transparent 70%);pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:76px;padding-bottom:84px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);margin-bottom:16px}
.hero .eyebrow{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:6px 12px;border-radius:99px;color:#7ff0df}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--ring)}
.hero h1{font-size:clamp(36px,5.4vw,58px);font-weight:800;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#5eead4,#a5b4fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:18px;color:#b8c3dc;max-width:540px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.chip{font-size:13px;font-weight:600;padding:6px 12px;border-radius:99px;border:1px solid rgba(255,255,255,.16);color:#cdd6ea;background:rgba(255,255,255,.04)}

/* hero mock UI */
.mock{position:relative;max-width:520px;margin-left:auto;width:100%}
.win{background:#0f1830;border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 30px 80px -20px rgba(0,0,0,.6);overflow:hidden}
.win .bar{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.win .bar span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.18)}
.win .body{display:grid;grid-template-columns:54px 1fr;min-height:300px}
.side{border-right:1px solid rgba(255,255,255,.08);padding:14px 0;display:flex;flex-direction:column;gap:12px;align-items:center}
.side i{width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.07)}
.side i:first-child{background:linear-gradient(135deg,var(--brand),var(--brand2))}
.pane{padding:16px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.kpi{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:10px}
.kpi small{display:block;color:#8fa0c2;font-size:11px}
.kpi b{display:block;height:8px;width:60%;margin-top:8px;border-radius:4px;background:rgba(255,255,255,.22)}
.chart{margin-top:12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:14px;display:flex;align-items:flex-end;gap:8px;height:130px}
.chart span{flex:1;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,var(--brand),rgba(15,181,160,.25))}
.rows{margin-top:12px;display:grid;gap:8px}
.rows div{height:10px;border-radius:5px;background:rgba(255,255,255,.1)}
.rows div:nth-child(2){width:78%}.rows div:nth-child(3){width:56%}
.float{position:absolute;background:#fff;color:#0f1728;border-radius:14px;padding:10px 14px;font-size:13px;font-weight:600;box-shadow:0 18px 40px -12px rgba(0,0,0,.5);display:flex;align-items:center;gap:10px;animation:bob 5s ease-in-out infinite}
.float i{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;color:#fff;font-style:normal;font-size:14px}
.f1{left:-22px;top:64px}.f1 i{background:#25d366}
.f2{right:-14px;bottom:34px;animation-delay:-2.5s}.f2 i{background:var(--brand2)}
@keyframes bob{50%{transform:translateY(-8px)}}

/* sections */
section{padding:84px 0}
section.alt{background:var(--bg2)}
.head{max-width:680px;margin-bottom:44px}
.head h2{font-size:clamp(28px,3.6vw,40px);font-weight:800;margin-bottom:12px}
.head p{color:var(--mut);font-size:17px}
.head.c{text-align:center;margin-left:auto;margin-right:auto}
.grid{display:grid;gap:20px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
a.card{text-decoration:none;display:block}
.card:hover{transform:translateY(-4px);border-color:var(--brand)}
.card h3{font-size:19px;margin:14px 0 8px}
.card p{color:var(--mut);font-size:15px;margin:0}
.ib{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--brand) 14%,transparent);color:var(--brand)}
.more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-weight:600;font-size:14px;color:var(--brand)}
.more svg{width:16px;height:16px}
.tick{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.tick li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.tick svg{flex:0 0 18px;width:18px;height:18px;margin-top:3px;stroke:var(--brand);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.tick.x li{color:var(--mut)}.tick.x svg{stroke:var(--mut);opacity:.6}

/* product band */
.band{background:linear-gradient(135deg,var(--hero2),#1b1f5a);color:#fff;border-radius:24px;padding:44px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;position:relative;overflow:hidden}
.band:before{content:"";position:absolute;width:380px;height:380px;right:-100px;top:-140px;background:radial-gradient(circle,rgba(15,181,160,.45),transparent 65%)}
.band>*{position:relative}
.band h2{font-size:clamp(26px,3.2vw,36px);font-weight:800;margin-bottom:12px}
.band p{color:#c1cbe2}
.badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:5px 10px;border-radius:99px;background:rgba(255,200,60,.16);color:#ffd36b;margin-bottom:14px}
.band .tick li{color:#e3e9f7}.band .tick svg{stroke:#5eead4}
.band .tick{grid-template-columns:1fr 1fr}

/* steps */
.steps{counter-reset:s}
.step{position:relative;padding-top:8px}
.step:before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:Manrope,sans-serif;font-weight:800;font-size:44px;line-height:1;color:color-mix(in srgb,var(--brand) 35%,transparent)}
.step h3{font-size:18px;margin:10px 0 6px}.step p{color:var(--mut);font-size:15px;margin:0}

/* pricing */
.plan{display:flex;flex-direction:column;position:relative}
.plan .price{font-family:Manrope,sans-serif;font-weight:800;font-size:40px;margin:10px 0 2px}
.plan .price small{font-size:15px;color:var(--mut);font-weight:600}
.plan .for{color:var(--mut);font-size:14px;margin-bottom:18px}
.plan .tick{margin-bottom:24px;flex:1}
.plan.pop{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),var(--shadow)}
.pop-tag{position:absolute;top:-12px;right:20px;background:var(--brand);color:var(--brandfg);font-size:12px;font-weight:800;padding:4px 12px;border-radius:99px}
.note{color:var(--mut);font-size:14px;text-align:center;margin-top:26px}

/* tech */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{font-size:13px;font-weight:600;padding:6px 12px;border-radius:99px;background:var(--bg2);border:1px solid var(--line)}
.core .tag{background:color-mix(in srgb,var(--brand) 12%,transparent);border-color:color-mix(in srgb,var(--brand) 35%,transparent)}

/* page hero */
.phero{background:linear-gradient(180deg,var(--hero1),var(--hero2));color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.phero:before{content:"";position:absolute;right:-120px;top:-160px;width:460px;height:460px;background:radial-gradient(circle,rgba(79,70,229,.45),transparent 65%)}
.phero .wrap{position:relative}
.phero h1{font-size:clamp(32px,4.6vw,48px);font-weight:800;margin-bottom:12px}
.phero p{color:#b8c3dc;font-size:18px;max-width:640px;margin:0}

/* services detail */
.svc{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;padding:48px 0;border-top:1px solid var(--line)}
.svc:first-child{border-top:0}
.svc h2{font-size:28px;font-weight:800;margin:14px 0 10px}
.svc .lead{color:var(--mut)}
.svc h4{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin:0 0 12px}
.svc .cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}

/* forms */
.form{display:grid;gap:16px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-weight:600;font-size:14px}
input,select,textarea{font:inherit;font-weight:400;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;width:100%}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid var(--ring);border-color:var(--brand)}
.hint{color:var(--mut);font-size:13px;font-weight:400}
.contact-side .card{margin-bottom:16px}
.contact-side a{color:var(--brand);font-weight:600;word-break:break-all}

/* cta */
.cta{text-align:center}
.cta .box{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:24px;padding:56px 24px}
.cta h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;margin-bottom:10px}
.cta p{color:rgba(255,255,255,.88);margin-bottom:22px}
.cta .btn-p{background:#fff;color:#0f1728;box-shadow:none}
.cta .btn-g{border-color:rgba(255,255,255,.5);color:#fff}

/* footer */
footer{background:var(--bg2);border-top:1px solid var(--line);padding:56px 0 28px;font-size:14px;color:var(--mut)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
footer h5{margin:0 0 14px;color:var(--fg);font-size:14px;font-family:Manrope,sans-serif}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
footer a{text-decoration:none}footer a:hover{color:var(--fg);text-decoration:underline}
.fbot{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.hide{display:none!important}

/* legal */
.legal{max-width:780px;margin:0 auto;padding:48px 20px 72px}
.legal h1{font-size:clamp(28px,4vw,38px);font-weight:800;margin-bottom:6px}
.legal h2{font-size:20px;margin:34px 0 10px}
.legal .meta{color:var(--mut);font-size:14px}
.legal .lead{background:var(--bg2);border-left:4px solid var(--brand);padding:14px 16px;border-radius:8px}
.legal ul{padding-left:22px}.legal li{margin:6px 0}
.legal .tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.legal .tabs a,.legal .tabs button{border:1px solid var(--line);background:var(--card);color:var(--fg);padding:8px 14px;border-radius:10px;text-decoration:none;font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.legal .tabs .on{background:var(--brand);color:var(--brandfg);border-color:var(--brand)}
.legal .tabs .sp{flex:1}
mark.ph{background:var(--ph);color:var(--phf);padding:0 4px;border-radius:4px}
body[data-lang=en] .bn,body[data-lang=bn] .en{display:none}

/* reveal */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s,transform .6s}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.float{animation:none}html{scroll-behavior:auto}}

/* responsive */
@media(max-width:960px){
  .hero .wrap,.band,.svc{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr 1fr}
  .mock{margin:10px auto 0}.f1{left:-6px}.f2{right:-6px}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .burger{display:block}
  nav.main{position:absolute;left:0;right:0;top:68px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 20px 18px;display:none}
  nav.main.open{display:flex}
  nav.main a{padding:12px}
  .g4,.g3,.g2,.fgrid,.svc .cols,.form .two,.band .tick{grid-template-columns:1fr}
  section{padding:60px 0}
  .band{padding:28px 22px}
  .hero .wrap{padding-top:48px;padding-bottom:56px}
}
.logo em{font-style:normal;font-weight:600;font-size:.62em;letter-spacing:.02em;color:var(--muted,#58637a);margin-left:-4px;align-self:flex-end;padding-bottom:3px}
@media(max-width:480px){.logo em{display:none}}