/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#050505;
  --bg-2:#0b0b0d;
  --card:#101012;
  --card-2:#141416;
  --line:rgba(255,255,255,.08);
  --txt:#f5f5f7;
  --muted:#9a9aa2;
  --red:#ef1c26;
  --red-2:#ff3b3b;
  --gold:#f4c022;
  --gold-2:#ffd54a;
  --radius:18px;
  --maxw:1160px;
}
html{scroll-behavior:smooth}
body{
  font-family:"Poppins","Noto Sans Bengali",system-ui,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.6;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}
.container--narrow{max-width:820px}
.section{padding:80px 0}
.c-red{color:var(--red-2)}
.c-gold{color:var(--gold)}
.grad-red{
  background:linear-gradient(90deg,#ff2d2d,#ff6a3d);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ===== LOGO ===== */
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:20px;letter-spacing:.5px}
.logo__badge{
  background:linear-gradient(135deg,var(--red),#b30f16);
  color:#fff;font-weight:900;font-size:14px;
  padding:4px 8px;border-radius:8px;
  box-shadow:0 4px 14px rgba(239,28,38,.45);
}
.logo__bd{color:var(--gold)}
.logo__babu{color:#fff}
.logo--lg{font-size:30px;margin:6px 0 8px}
.logo--lg .logo__badge{font-size:20px;padding:6px 11px}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:14px;border:none;cursor:pointer;
  padding:11px 22px;border-radius:999px;transition:.25s ease;white-space:nowrap;
}
.btn--lg{padding:14px 30px;font-size:15px}
.btn--block{width:100%}
.btn--red{background:linear-gradient(135deg,var(--red),#c50f16);color:#fff;box-shadow:0 8px 22px rgba(239,28,38,.4)}
.btn--red:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(239,28,38,.55)}
.btn--gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#1a1200;box-shadow:0 8px 22px rgba(244,192,34,.32)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(244,192,34,.5)}
.btn--ghost{background:#fff;color:#111}
.btn--ghost:hover{background:#eee;transform:translateY(-2px)}

/* ===== NAVBAR ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(6,6,7,.75);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{background:rgba(6,6,7,.95)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav__links{display:flex;gap:30px}
.nav__links a{font-size:14px;color:var(--muted);font-weight:500;transition:.2s;position:relative}
.nav__links a:hover{color:#fff}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--red-2);transition:.25s}
.nav__links a:hover::after{width:100%}
.nav__actions{display:flex;align-items:center;gap:12px}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav__toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* ===== HERO ===== */
.hero{position:relative;padding:70px 0 90px;overflow:hidden;
  background:radial-gradient(1000px 500px at 20% 0%,rgba(239,28,38,.18),transparent 60%),var(--bg);}
.hero__glow{position:absolute;top:-120px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(244,192,34,.16),transparent 65%);filter:blur(30px);pointer-events:none}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;position:relative;z-index:2}
.pill{display:inline-block;font-size:12.5px;color:#ffd7d7;background:rgba(239,28,38,.12);
  border:1px solid rgba(239,28,38,.35);padding:7px 16px;border-radius:999px;margin-bottom:6px}
.hero__title{font-size:clamp(38px,5.5vw,64px);font-weight:900;line-height:1.05;margin:10px 0 18px;letter-spacing:-1px}
.hero__sub{color:var(--muted);max-width:540px;font-size:15.5px;margin-bottom:22px}

.chips{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:560px;margin-bottom:28px}
.chip{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;font-size:13.5px;color:#dcdce2}
.tick{color:#2ecc71;font-weight:800}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}

/* access card */
.hero__card-wrap{display:flex;justify-content:center}
.access-card{
  width:100%;max-width:380px;background:linear-gradient(160deg,#161618,#0c0c0e);
  border:1px solid rgba(244,192,34,.25);border-radius:24px;padding:22px;
  box-shadow:0 24px 60px rgba(0,0,0,.6),0 0 40px rgba(244,192,34,.08);
  animation:float 5s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.access-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.tag{font-size:11px;font-weight:600;padding:5px 12px;border-radius:999px}
.tag--live{color:#2ecc71;background:rgba(46,204,113,.12);border:1px solid rgba(46,204,113,.3)}
.access-card__body{background:#0a0a0c;border:1px solid var(--line);border-radius:16px;padding:18px}
.access-card__label{font-size:12px;color:var(--muted)}
.access-card__title{font-size:20px;font-weight:800;margin-bottom:16px}
.access-row{display:flex;justify-content:space-between;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px;font-size:13.5px;color:#cfcfd6}
.access-card__btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}

/* ===== SECTION HEADINGS ===== */
.eyebrow{font-size:12px;font-weight:700;letter-spacing:4px;text-align:center;margin-bottom:12px}
.section__title{font-size:clamp(26px,3.4vw,38px);font-weight:800;text-align:center;line-height:1.2;max-width:820px;margin:0 auto 14px}
.section__title--left{text-align:left;margin:0 0 14px}
.section__sub{color:var(--muted);text-align:center;max-width:640px;margin:0 auto 46px;font-size:15px}
.section__sub--left{text-align:left;margin:0 0 26px}

/* ===== GRIDS / CARDS ===== */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(160deg,var(--card),var(--bg-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(239,28,38,.4);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.card__icon{width:48px;height:48px;display:grid;place-items:center;font-size:22px;border-radius:12px;
  background:rgba(244,192,34,.1);border:1px solid rgba(244,192,34,.2);margin-bottom:16px}
.card h3{font-size:17px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}

/* ===== WHY ===== */
.why__grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.checklist li{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;font-size:14px;color:#e2e2e8;transition:.25s}
.checklist li:hover{border-color:rgba(46,204,113,.4);transform:translateX(4px)}

/* ===== STATS ===== */
.stats-panel{background:linear-gradient(160deg,#0d0d0f,#060607);border:1px solid var(--line);
  border-radius:26px;padding:48px 34px}
.stats-grid{margin-top:8px}
.stat{background:linear-gradient(160deg,#121214,#0a0a0c);border:1px solid var(--line);
  border-radius:16px;padding:28px 16px;text-align:center;transition:.3s}
.stat:hover{transform:translateY(-4px);border-color:rgba(239,28,38,.35)}
.stat__num{font-size:clamp(28px,3.5vw,42px);font-weight:900;background:linear-gradient(90deg,#fff,#c9c9d0);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{font-size:11px;letter-spacing:2px;color:var(--muted);margin-top:6px}

/* ===== DOWNLOAD ===== */
.download-panel{position:relative;display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:center;
  background:radial-gradient(700px 300px at 15% 50%,rgba(239,28,38,.14),transparent 60%),linear-gradient(160deg,#0d0d0f,#060607);
  border:1px solid var(--line);border-radius:26px;padding:44px 40px;overflow:hidden}
.download__device{display:flex;justify-content:center}
.device{width:100%;max-width:280px;background:#050506;border:1px solid rgba(244,192,34,.22);
  border-radius:26px;padding:16px;box-shadow:0 24px 60px rgba(0,0,0,.6)}
.device__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.device__screen{background:#0a0a0c;border:1.5px solid var(--red);border-radius:16px;padding:34px 16px;text-align:center;margin-bottom:14px}
.device__dl{width:52px;height:52px;margin:0 auto 12px;display:grid;place-items:center;font-size:22px;color:#fff;
  border-radius:12px;background:linear-gradient(135deg,#2b6bff,#1e4fd6);box-shadow:0 8px 20px rgba(43,107,255,.4)}
.device__dl-text{font-weight:700;font-size:15px}
.device__note{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:12.5px;color:var(--muted)}

/* ===== REGISTER CTA ===== */
.register-panel{background:radial-gradient(600px 260px at 50% 0%,rgba(239,28,38,.16),transparent 60%),linear-gradient(160deg,#0d0d0f,#060607);
  border:1px solid var(--line);border-radius:26px;padding:56px 30px;text-align:center}
.register-panel .section__sub{margin-bottom:28px}

/* ===== FAQ ===== */
.faq{display:grid;gap:14px}
.faq__item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s}
.faq__item.open{border-color:rgba(244,192,34,.35)}
.faq__q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  background:none;border:none;color:#fff;font-family:inherit;font-weight:600;font-size:15px;
  text-align:left;padding:18px 22px;cursor:pointer}
.faq__ic{color:var(--gold);font-size:22px;font-weight:400;flex-shrink:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding:0 22px}
.faq__a p{color:var(--muted);font-size:14px;padding-bottom:2px}
.faq__item.open .faq__a{max-height:220px;padding:0 22px 20px}

/* ===== FOOTER ===== */
.footer{border-top:1px solid var(--line);background:var(--bg);padding:36px 0;position:relative}
.footer__inner{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.footer__tag{color:var(--muted);font-size:13px;margin-top:8px}
.footer__right{text-align:right}
.footer__links{display:flex;gap:8px;flex-direction:column;margin-bottom:10px}
.footer__links a{color:var(--gold);font-size:13px}
.footer__links a:hover{color:var(--gold-2)}
.footer__copy{color:#5c5c63;font-size:12.5px}
.to-top{position:absolute;right:22px;bottom:34px;width:42px;height:42px;border-radius:50%;border:none;
  background:linear-gradient(135deg,var(--red),#c50f16);color:#fff;font-size:18px;cursor:pointer;
  box-shadow:0 8px 22px rgba(239,28,38,.5);transition:.25s}
.to-top:hover{transform:translateY(-3px)}

/* ===== REVEAL ANIM ===== */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:960px){
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .why__grid{grid-template-columns:1fr;gap:28px}
  .download-panel{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:1fr 1fr}
  .nav__links{position:fixed;inset:70px 0 auto 0;flex-direction:column;gap:0;
    background:rgba(6,6,7,.98);border-bottom:1px solid var(--line);padding:10px 0;
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);
    transition:opacity .3s ease,transform .3s ease,visibility .3s}
  .nav__links.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
  .nav__links a{padding:14px 22px;border-bottom:1px solid var(--line)}
  .nav__links a::after{display:none}
  .nav__toggle{display:flex}
  .nav__actions .btn--ghost{display:none}
}
@media(max-width:560px){
  .grid-4{grid-template-columns:1fr}
  .chips{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
  .section{padding:60px 0}
  .footer__inner{flex-direction:column;align-items:flex-start}
  .footer__right{text-align:left}
  .footer__links{flex-direction:row;gap:18px}
}