@font-face{font-family:"Inter";src:url(fonts/inter.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"BnFont";src:url(fonts/bn-400.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0980-09FF,U+200C-200D}
@font-face{font-family:"BnFont";src:url(fonts/bn-600.woff2) format("woff2");font-weight:600;font-display:swap;unicode-range:U+0980-09FF,U+200C-200D}
@font-face{font-family:"BnFont";src:url(fonts/bn-700.woff2) format("woff2");font-weight:700;font-display:swap;unicode-range:U+0980-09FF,U+200C-200D}
:root{--brand:#0b7285;--brand-d:#095c6b;--accent:#12b886;--bg:#fff;--bg2:#f4f9fa;--text:#10252b;--muted:#5a6f76;--border:#dbe6e9;--card:#fff;--shadow:0 8px 30px rgba(11,114,133,.10);--r:16px}
@media(prefers-color-scheme:dark){:root{--bg:#0a1417;--bg2:#0f1d21;--text:#e8f2f4;--muted:#93a9af;--border:#1f3338;--card:#12242a;--shadow:0 8px 30px rgba(0,0,0,.35);--brand:#25a6bd;--brand-d:#1b8aa0}}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,"BnFont",system-ui,-apple-system,"Segoe UI","Noto Sans Bengali","Nirmala UI",Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:16px}
a{color:inherit;text-decoration:none}img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}.small{font-size:13px}
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;font-size:19px}.brand img{height:30px;width:auto}
.links{display:flex;gap:22px;margin-left:18px;flex:1}.links a{font-size:14.5px;font-weight:500;color:var(--muted)}.links a:hover{color:var(--brand)}
.nav-r{display:flex;align-items:center;gap:8px;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:11px;border:1px solid var(--border);background:var(--card);color:var(--text);font:inherit;font-weight:600;font-size:14.5px;cursor:pointer;transition:transform .12s,box-shadow .12s,background .12s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-d)}.btn.ghost{border-color:transparent;background:transparent}.btn.lg{padding:14px 24px;font-size:16px;border-radius:13px}
.lang{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:8px 12px;font:inherit;font-weight:600;font-size:13.5px;cursor:pointer}
.hero{background:radial-gradient(1000px 420px at 85% -10%,color-mix(in srgb,var(--brand) 16%,transparent),transparent),var(--bg);padding:56px 0 44px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pill{display:inline-block;padding:5px 12px;border-radius:99px;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);font-weight:600;font-size:13px}
h1{font-size:clamp(32px,5vw,54px);line-height:1.12;margin:14px 0 16px;letter-spacing:-.02em}
h2{font-size:clamp(25px,3.4vw,38px);line-height:1.2;margin:0 0 10px;letter-spacing:-.015em;text-align:center}.two h2{text-align:left}
h3{margin:8px 0 6px;font-size:18px}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:560px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 16px}
.ticks{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--muted);font-size:14px}.ticks li:before{content:"✓";color:var(--accent);font-weight:800;margin-right:6px}
.mock{background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;transform:rotate(1.2deg)}
.mock-h{display:flex;align-items:center;gap:6px;padding:12px 14px;border-bottom:1px solid var(--border);background:var(--bg2);font-size:13px}.mock-h i{width:10px;height:10px;border-radius:50%;background:#ff6b6b}.mock-h i:nth-child(2){background:#fcc419}.mock-h i:nth-child(3){background:#51cf66}.mock-h b{margin-left:8px;font-weight:600}
.mock-b{padding:16px;display:flex;flex-direction:column;gap:14px}.mrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.chip{padding:3px 10px;border-radius:99px;font-size:12px;font-weight:700}.chip.warn{background:#fff3bf;color:#8a5a00}
.rx{display:flex;flex-direction:column;gap:8px}.rx div{padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-size:14.5px}.rx span{display:block;color:var(--muted);font-size:12.5px}
.q{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.q div{background:var(--bg2);border-radius:10px;padding:10px;text-align:center}.q small{display:block;color:var(--muted);font-size:11.5px}.q b{font-size:20px;color:var(--brand)}
.strip{background:var(--brand);color:#fff}.strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:20px;text-align:center}.strip b{display:block;font-size:24px}.strip span{font-size:13px;opacity:.9}
.sec{padding:72px 0}.sec.alt{background:var(--bg2)}.sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 34px;font-size:17px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:22px;transition:box-shadow .15s,transform .15s}.grid3 .card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.card p{margin:0;color:var(--muted);font-size:15px}
.ic{width:44px;height:44px;border-radius:12px;background:color-mix(in srgb,var(--brand) 12%,transparent);display:grid;place-items:center;font-size:22px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.list{padding-left:20px;color:var(--muted)}.list li{margin:8px 0}
.big{display:flex;flex-direction:column;gap:12px}.ai-b{padding:14px 16px;border-radius:12px;background:#fff3bf;color:#7a5200;font-weight:500}.ai-b.ok{background:#d3f9d8;color:#176b2c}
.n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff}
.seg{display:flex;justify-content:center;gap:4px;background:var(--bg2);border:1px solid var(--border);padding:4px;border-radius:12px;width:max-content;margin:0 auto 22px}.seg button{border:0;background:none;color:var(--muted);font:inherit;font-weight:600;font-size:14px;padding:8px 16px;border-radius:9px;cursor:pointer}.seg button.on{background:var(--card);color:var(--brand);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.founder{max-width:720px;margin:0 auto 22px;padding:14px 18px;border-radius:14px;background:linear-gradient(90deg,#fff3bf,#ffe8cc);color:#6b3d00;text-align:center;font-weight:600}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:16px;align-items:stretch}
.plan{position:relative;display:flex;flex-direction:column;gap:8px}.plan.hl{border:2px solid var(--brand);box-shadow:var(--shadow)}.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:3px 12px;border-radius:99px;white-space:nowrap}
.plan h3{margin:0}.price{font-size:34px;font-weight:800;letter-spacing:-.02em}.price small{font-size:14px;font-weight:500;color:var(--muted)}.plan ul{list-style:none;padding:0;margin:8px 0 14px;display:flex;flex-direction:column;gap:7px;font-size:14.5px;flex:1}.plan li:before{content:"✓";color:var(--accent);font-weight:800;margin-right:8px}
.note{text-align:center;color:var(--muted);font-size:14px;margin-top:22px}.packs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:8px}.packs span{border:1px solid var(--border);background:var(--card);padding:6px 14px;border-radius:99px;font-size:14px}
.narrow{max-width:780px}details{border:1px solid var(--border);border-radius:14px;background:var(--card);margin:10px 0;padding:0 18px}summary{padding:16px 0;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}summary::after{content:"+";font-size:22px;color:var(--brand);line-height:1}details[open] summary::after{content:"−"}details p{margin:0 0 16px;color:var(--muted)}
.cta-sec{background:linear-gradient(180deg,var(--bg2),var(--bg))}.contact{margin-top:20px;display:flex;flex-direction:column;gap:6px;color:var(--muted)}.contact a{color:var(--brand);font-weight:600}
.form{display:flex;flex-direction:column;gap:12px}.form label{display:flex;flex-direction:column;gap:5px;font-size:13.5px;font-weight:600}.form input,.form textarea{font:inherit;padding:11px 13px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);width:100%}.form input:focus,.form textarea:focus{outline:2px solid var(--brand);outline-offset:1px}.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}.msg{min-height:20px;font-size:14px;margin:0}.msg.ok{color:#2b8a3e}.msg.bad{color:#c92a2a}
.foot{border-top:1px solid var(--border);padding:26px 0;background:var(--bg2)}.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center}.foot a{color:var(--brand)}
@media(max-width:900px){.hero-in,.two{grid-template-columns:1fr}.hero-v{order:-1;max-width:460px;margin:0 auto}.grid3{grid-template-columns:1fr 1fr}.links{display:none}.strip-in{grid-template-columns:1fr 1fr}.mock{transform:none}}
@media(max-width:600px){.grid3{grid-template-columns:1fr}.hide-s{display:none}.sec{padding:52px 0}.nav-in{gap:10px}.btn{padding:9px 14px}.hero{padding-top:30px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}