:root{
  --bg:#f8fafc;--card:#fff;--ink:#12201b;--mut:#5b6b65;--line:#e0e8e4;
  --pri:#3b66f5;--pri-2:#2a4fd6;--soft:#e8eeff;--accent:#0891b2;--accent-soft:#e0f9fd;
  --dark:#0f172a;--dark-ink:#e9f4ef;--shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(15,60,45,.08);
  --r:18px;--max:1120px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1222;--card:#111a2e;--ink:#e6efeb;--mut:#94a3b8;--line:#1e293b;--pri:#6d8bff;--pri-2:#5576f5;--soft:#16214a;--accent-soft:#33280f;--shadow:none}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Hind Siliguri","Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--pri)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:14px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);text-decoration:none;flex:1;min-width:0}
.logo img{width:36px;height:36px;border-radius:10px}
.logo small{color:var(--mut);font-weight:500;font-size:14px}
.top nav{display:flex;gap:20px;font-size:15px}
.top nav a{color:var(--mut);text-decoration:none}
.top nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--pri);color:#fff;text-decoration:none;font-weight:700;border-radius:12px;padding:12px 20px;border:0;font:inherit;font-weight:700;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--pri-2)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--pri);color:var(--pri)}
.btn.sm{padding:9px 14px;font-size:14px;border-radius:10px}
.btn svg{width:20px;height:20px}

/* hero */
.hero{padding:56px 0 40px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:#8a5a00;font-weight:700;font-size:14px;border-radius:999px;padding:6px 14px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pill{color:#f0c060}}
.hero h1{font-size:clamp(34px,5.2vw,58px);line-height:1.12;margin:18px 0 14px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--pri)}
.hero p.lead{font-size:clamp(17px,2vw,20px);color:var(--mut);margin:0 0 26px;max-width:560px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.trust{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;color:var(--mut);font-size:14px}
.trust>span::before{content:"✓ ";color:var(--pri);font-weight:700}
.phones{position:relative;height:560px}
.phone{position:absolute;width:250px;border-radius:34px;background:#0d0f0e;padding:9px;box-shadow:0 30px 60px rgba(10,40,30,.28)}
.phone img{border-radius:26px;width:100%;height:auto}
.phone.a{left:6%;top:30px;transform:rotate(-5deg)}
.phone.b{right:4%;top:0;transform:rotate(4deg)}

/* sections */
section.block{padding:64px 0}
.eyebrow{color:var(--pri);font-weight:700;font-size:14px;letter-spacing:.5px}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.2;margin:8px 0 12px}
.sub{color:var(--mut);font-size:18px;max-width:640px;margin:0 0 32px}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.feat .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--soft);color:var(--pri);margin-bottom:14px}
.feat .ic svg{width:24px;height:24px}
.feat h3{margin:0 0 6px;font-size:19px}
.feat p{margin:0;color:var(--mut);font-size:15.5px}

/* spotlight rows */
.spot{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:28px 0}
.spot+.spot{border-top:1px solid var(--line)}
.spot.rev .shot{order:2}
.spot .shot{display:flex;justify-content:center}
.spot .shot .phone{position:static;transform:none;width:260px}
.spot ul{list-style:none;padding:0;margin:16px 0 0}
.spot li{padding:7px 0 7px 30px;position:relative}
.spot li::before{content:"";position:absolute;left:0;top:13px;width:18px;height:18px;border-radius:6px;background:var(--soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f7b5f' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
.spot h3{font-size:clamp(22px,2.6vw,30px);margin:6px 0 8px;line-height:1.25}
.spot p{color:var(--mut);margin:0}

/* checklist */
.checks{display:grid;grid-template-columns:repeat(3,1fr);gap:0 28px}
.checks div{padding:12px 0 12px 28px;border-bottom:1px solid var(--line);position:relative;font-size:15.5px}
.checks div::before{content:"✓";position:absolute;left:2px;color:var(--pri);font-weight:800}

/* coming soon */
.soon{background:var(--dark);color:var(--dark-ink);border-radius:28px;padding:48px}
.soon h2{color:#fff}.soon .sub{color:#a5b4cf}
.soon .grid .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.1);box-shadow:none}
.soon .card h3{color:#fff;margin:10px 0 6px;font-size:18px}
.soon .card p{color:#a5b4cf;margin:0;font-size:15px}
.tag{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:3px 10px;background:rgba(245,160,0,.15);color:#ffc24d}

/* pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:820px;margin:0 auto}
.plan h3{margin:0;font-size:20px}
.plan .price{font-size:44px;font-weight:800;margin:8px 0 2px;letter-spacing:-1px}
.plan .price small{font-size:16px;color:var(--mut);font-weight:500;letter-spacing:0}
.plan ul{list-style:none;padding:0;margin:18px 0 22px}
.plan li{padding:6px 0 6px 26px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--pri);font-weight:800}
.plan.pro{border:2px solid var(--pri);position:relative}
.plan.pro .badge{position:absolute;top:-13px;right:20px;background:var(--accent);color:#2b1a00;font-weight:800;font-size:13px;border-radius:999px;padding:3px 12px}
.plan .btn{width:100%}

/* faq */
.faq{max-width:780px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--pri);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 16px;color:var(--mut)}

/* final cta + footer */
.final{background:linear-gradient(135deg,var(--pri),#13a47e);color:#fff;border-radius:28px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.final h2{color:#fff;margin:0 0 6px}.final p{margin:0;opacity:.9;font-size:18px}
.final .btn{background:#fff;color:var(--pri-2)}
.final .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
footer{padding:48px 0 40px;color:var(--mut);font-size:14.5px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
footer h4{color:var(--ink);margin:0 0 10px;font-size:15px}
footer a{color:var(--mut);text-decoration:none;display:block;padding:3px 0}
footer a:hover{color:var(--pri)}
.legal{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;text-align:center}

/* responsive */
@media (max-width:900px){
  .hero .wrap,.spot{grid-template-columns:1fr}
  .spot.rev .shot{order:0}
  .phones{height:470px;max-width:440px;margin:0 auto;width:100%}
  .phone{width:210px}
  .grid{grid-template-columns:1fr 1fr}
  .checks{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .top nav{display:none}
  .hero{padding:32px 0 20px}
  .grid,.checks,.plans{grid-template-columns:1fr}
  section.block{padding:44px 0}
  .soon,.final{padding:28px 20px;border-radius:22px}
  .phones{height:400px}
  .phone{width:180px;border-radius:28px;padding:7px}
  .phone img{border-radius:22px}
  .spot .shot .phone{width:220px}
  footer .wrap{grid-template-columns:1fr}
  .logo small{display:none}
}

/* ===== language: <span class="en"> / <span class="bn">, html.bn shows Bangla ===== */
html:not(.bn) .bn,html.bn .en{display:none!important}
body{font-family:"Plus Jakarta Sans","Hind Siliguri",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
html.bn body{font-family:"Hind Siliguri","Plus Jakarta Sans",system-ui,sans-serif}
.langsw{display:inline-flex;border:1.5px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px;font-weight:700}
.langsw button{border:0;background:transparent;color:var(--mut);padding:7px 11px;cursor:pointer;font:inherit}
.langsw button.on{background:var(--pri);color:#fff}

/* hero: live phone with floating event chips */
.stage{position:relative;height:600px;display:flex;justify-content:center;align-items:center}
.stage .glow{position:absolute;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(19,164,126,.28),transparent 65%);filter:blur(10px)}
.stage .phone{position:relative;left:auto;top:auto;transform:none;width:270px}
.stage .screens{position:relative;border-radius:26px;overflow:hidden;aspect-ratio:540/1170;background:#f1f5f9}
.stage .screens img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.03);transition:opacity .6s,transform .6s}
.stage .screens img.on{opacity:1;transform:none}
.chip{position:absolute;z-index:3;display:flex;align-items:center;gap:10px;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:10px 14px;box-shadow:0 14px 30px rgba(10,40,30,.16);font-size:14px;font-weight:600;white-space:nowrap;animation:float 6s ease-in-out infinite}
.chip i{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-style:normal;font-size:16px}
.chip b{display:block;font-size:15px}
.chip small{display:block;color:var(--mut);font-weight:500;font-size:12.5px}
.chip.c1{left:0;top:90px}.chip.c2{right:-6px;top:230px;animation-delay:-2s}.chip.c3{left:10px;bottom:90px;animation-delay:-4s}
.g{background:#e8eeff;color:#3b66f5}.y{background:#fff3d6;color:#9a6200}.r{background:#fde7e4;color:#c0392b}.b{background:#e6eef8;color:#1d5fa8}
@keyframes float{50%{transform:translateY(-8px)}}
@media (prefers-reduced-motion:reduce){.chip{animation:none}.stage .screens img{transition:none}}

/* how it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:s}
.steps .card{position:relative;padding-top:30px}
.steps .card::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:22px;width:36px;height:36px;border-radius:12px;background:var(--pri);color:#fff;font-weight:800;display:grid;place-items:center}
.steps h3{margin:0 0 6px;font-size:18px}.steps p{margin:0;color:var(--mut);font-size:15.5px}

/* feature tour: tabs switch the phone screen */
.tour{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:center}
.tabs{display:flex;flex-direction:column;gap:8px}
.tab{display:flex;gap:14px;align-items:flex-start;text-align:left;background:transparent;border:1.5px solid transparent;border-radius:16px;padding:14px 16px;cursor:pointer;font:inherit;color:inherit;transition:background .2s,border-color .2s}
.tab:hover{background:var(--card)}
.tab.on{background:var(--card);border-color:var(--pri);box-shadow:var(--shadow)}
.tab .ic{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--soft);color:var(--pri)}
.tab .ic svg{width:22px;height:22px}
.tab h3{margin:0;font-size:17px}.tab p{margin:2px 0 0;color:var(--mut);font-size:14.5px;display:none}
.tab.on p{display:block}
.tour .phone{position:static;transform:none;width:100%;max-width:300px;margin:0 auto}
.tour .screens{position:relative;border-radius:26px;overflow:hidden;aspect-ratio:540/1170;background:#f1f5f9}
.tour .screens img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .35s}
.tour .screens img.on{opacity:1}

/* global strip */
.globe{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.globe .card{text-align:center}
.globe .big{font-size:34px;font-weight:800;color:var(--pri);line-height:1.1}
.globe p{margin:6px 0 0;color:var(--mut);font-size:15px}
.langs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}
.langs span{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:15px}

@media (max-width:900px){
  .tour{grid-template-columns:1fr}
  .tour .phone{max-width:240px;order:-1}
  .globe{grid-template-columns:1fr 1fr}
  .stage{height:520px}
}
@media (max-width:640px){
  .steps{grid-template-columns:1fr;gap:26px}
  .stage{height:470px}
  .stage .phone{width:210px}
  .chip{font-size:12.5px;padding:8px 10px}.chip i{width:26px;height:26px;font-size:14px}
  .chip.c1{left:-4px;top:40px}.chip.c2{right:-4px;top:200px}.chip.c3{left:0;bottom:40px}
  .tabs{flex-direction:row;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
  .tab{flex:none;padding:10px 12px}.tab .ic{width:36px;height:36px}.tab p{display:none!important}
  .tour .tabdesc{display:block}
}
.tabdesc{display:none;text-align:center;color:var(--mut);margin:12px 0 0}
/* keep the hero decoration inside narrow screens */
.stage .glow{width:min(440px,100%);height:auto;aspect-ratio:1}
@media (max-width:640px){.stage{overflow:hidden;margin:0 -16px}.chip.c1{left:8px}.chip.c2{right:8px}.chip.c3{left:12px}.top .btn.sm{padding:8px 11px}}
[hidden]{display:none!important}

h1,h2,h3,.logo span{font-family:'Space Grotesk','Inter','Hind Siliguri',sans-serif;letter-spacing:-.02em}
.bn h1,.bn h2,.bn h3,html.bn h1,html.bn h2,html.bn h3{font-family:'Hind Siliguri','Inter',sans-serif;letter-spacing:0}