:root{
    --bg:#07080d; --bg2:#0d1019; --card:#121624; --line:#232a3d;
    --text:#f1f4fb; --muted:#9aa5bd;
    --a1:#ff5a1f; --a2:#ffb62e; --a3:#ff2e63;
    --glow:rgba(255,90,31,.5);
  }
  *{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
  html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
  html,body{overflow-x:hidden;max-width:100%}
  img,svg{max-width:100%}
  html{scroll-behavior:smooth}
  body{font-family:"Hind Siliguri","Rajdhani",system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  .wrap{width:min(1180px,92%);margin-inline:auto;position:relative}
  @supports(padding:max(0px)){header .wrap{width:min(1180px,calc(100% - max(4%,env(safe-area-inset-left)) - max(4%,env(safe-area-inset-right))))}}
  footer{padding-bottom:max(40px,env(safe-area-inset-bottom))}
  .display{font-family:"Orbitron","Rajdhani",sans-serif}
  .grad{background:linear-gradient(120deg,var(--a2),var(--a1) 45%,var(--a3));-webkit-background-clip:text;background-clip:text;color:transparent}

  /* ---------- NAV ---------- */
  header{position:fixed;top:0;left:0;right:0;z-index:60;transition:.3s}
  header.scrolled{background:rgba(7,8,13,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
  nav{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo{display:flex;align-items:center;gap:10px;font-family:"Orbitron";font-weight:900;letter-spacing:2px;font-size:1.05rem}
  .logo img{width:40px;height:40px;border-radius:11px;object-fit:cover;box-shadow:0 0 16px rgba(60,120,255,.55)}
  nav ul{display:flex;gap:30px;list-style:none;font-weight:500;color:var(--muted)}
  nav ul a{position:relative;transition:.2s}
  nav ul a:hover{color:#fff}
  nav ul a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--a1);transition:.3s}
  nav ul a:hover::after{width:100%}

  .btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:14px;font-weight:700;border:0;cursor:pointer;transition:.3s;font-size:1.02rem;font-family:inherit}
  .btn-primary{background:linear-gradient(120deg,var(--a2),var(--a1) 55%,var(--a3));color:#190a02;box-shadow:0 10px 34px var(--glow);position:relative;overflow:hidden}
  .btn-primary::before{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);animation:shine 3.2s infinite}
  .btn-primary:hover{transform:translateY(-4px);box-shadow:0 16px 46px var(--glow)}
  .btn-ghost{background:rgba(255,255,255,.04);color:#fff;border:1px solid var(--line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
  .btn-ghost:hover{border-color:var(--a1);color:var(--a2)}
  .menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;margin-left:10px}
  .menu-btn span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:.3s}
  .menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-btn.open span:nth-child(2){opacity:0}
  .menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-right{display:flex;align-items:center}
  .mobile-menu{display:none;flex-direction:column;background:rgba(7,8,13,.96);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:8px 4% 16px}
  .mobile-menu a{padding:14px 6px;color:#dbe1ef;font-weight:600;border-bottom:1px solid var(--line)}
  .mobile-menu a:last-child{border-bottom:0}
  .mobile-menu.open{display:flex}
  .btn-sm{padding:10px 20px;font-size:.92rem;border-radius:11px}
  @keyframes shine{0%,60%{left:-80%}100%{left:140%}}

  /* ---------- HERO ---------- */
  .hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:110px 0 70px;overflow:hidden;
    background:
      radial-gradient(1000px 600px at 78% 35%,rgba(255,90,31,.28),transparent 62%),
      radial-gradient(700px 500px at 5% 95%,rgba(255,46,99,.14),transparent 60%),
      var(--bg)}
  .hero canvas{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}
  .hero::before{content:"";position:absolute;top:0;right:0;bottom:0;left: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:64px 64px;mask-image:radial-gradient(circle at 60% 40%,#000,transparent 72%)}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
  .tag{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border:1px solid rgba(255,182,46,.5);background:rgba(255,182,46,.08);color:var(--a2);border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:22px}
  .tag i{width:8px;height:8px;border-radius:50%;background:#2dff8a;box-shadow:0 0 10px #2dff8a;animation:pulse 1.4s infinite}
  @keyframes pulse{50%{opacity:.3}}
  h1{font-family:"Orbitron";font-weight:900;font-size:clamp(2.6rem,6.4vw,5rem);line-height:1.02;letter-spacing:1px;margin-bottom:22px;text-transform:uppercase}
  h1 .line2{display:block}
  .lead{color:var(--muted);font-size:1.15rem;max-width:520px;margin-bottom:32px}
  .cta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:42px}
  .stats{display:flex;gap:42px;flex-wrap:wrap}
  .stats b{display:block;font-family:"Orbitron";font-size:1.9rem;font-weight:800}
  .stats small{color:var(--muted)}

  /* hero visual */
  .visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:560px}
  .ring{position:absolute;width:480px;height:480px;border-radius:50%;border:1px dashed rgba(255,182,46,.35);animation:spin 28s linear infinite}
  .ring.r2{width:380px;height:380px;border-color:rgba(255,90,31,.45);animation-duration:20s;animation-direction:reverse}
  .aura{position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.7),transparent 68%);filter:blur(30px);animation:breathe 4s ease-in-out infinite}
  @keyframes spin{to{transform:rotate(360deg)}}
  @keyframes breathe{50%{transform:scale(1.15);opacity:.75}}
  .soldier{position:relative;z-index:2;width:min(400px,86%);height:auto;border-radius:22%;box-shadow:0 0 60px rgba(60,120,255,.45);animation:float 5s ease-in-out infinite}
  .hero-logo{display:none}
  .dl-logo{display:block;width:84px;height:84px;margin:0 auto 14px;border-radius:22px;box-shadow:0 0 34px rgba(60,120,255,.5);position:relative}
  .footer-logo{display:block;width:72px;height:72px;margin:0 auto 12px;border-radius:18px;box-shadow:0 0 24px rgba(60,120,255,.4)}
  @keyframes float{50%{transform:translateY(-16px)}}
  .chip{position:absolute;z-index:3;display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:14px;background:rgba(18,22,36,.82);border:1px solid var(--line);backdrop-filter:blur(10px);font-weight:600;font-size:.9rem;animation:float 6s ease-in-out infinite}
  .chip svg{width:22px;height:22px}
  .chip.c1{top:12%;left:0}
  .chip.c2{bottom:18%;right:-4px;animation-delay:-2s}
  .chip.c3{bottom:6%;left:6%;animation-delay:-4s}

  /* ---------- MARQUEE ---------- */
  .marquee{background:linear-gradient(90deg,var(--a1),var(--a3));overflow:hidden;white-space:nowrap;transform:skewY(-1.2deg);margin:-14px 0;position:relative;z-index:5}
  .marquee div{display:inline-block;padding:14px 0;font-family:"Orbitron";font-weight:800;letter-spacing:3px;font-size:.95rem;color:#1a0602;animation:marq 26s linear infinite}
  .marquee span{margin:0 28px}
  @keyframes marq{to{transform:translateX(-50%)}}

  section{padding:110px 0}
  .sec-title{text-align:center;margin-bottom:60px}
  .sec-title small{color:var(--a1);font-family:"Orbitron";letter-spacing:4px;font-size:.78rem;font-weight:700}
  .sec-title h2{font-family:"Hind Siliguri";font-size:clamp(2rem,4.4vw,3rem);font-weight:700;margin-top:8px}
  .sec-title p{color:var(--muted);margin-top:8px}

  /* ---------- FEATURES ---------- */
  .features{background:var(--bg2)}
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .card{position:relative;background:linear-gradient(160deg,var(--card),#0e1220);border:1px solid var(--line);border-radius:22px;padding:32px;transition:.35s;overflow:hidden}
  .card::before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(300px 160px at 0% 0%,rgba(255,90,31,.18),transparent 70%);opacity:0;transition:.35s}
  .card:hover{transform:translateY(-8px);border-color:rgba(255,90,31,.6);box-shadow:0 20px 50px rgba(255,90,31,.14)}
  .card:hover::before{opacity:1}
  .icon{position:relative;width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,182,46,.2),rgba(255,46,99,.18));border:1px solid rgba(255,182,46,.3);margin-bottom:20px}
  .icon svg{width:30px;height:30px}
  .card h3{font-size:1.2rem;margin-bottom:8px;position:relative}
  .card p{color:var(--muted);font-size:.97rem;position:relative}

  /* ---------- HOW TO ---------- */
  .howto{background:var(--bg2)}
  .slider{position:relative;max-width:720px;margin-inline:auto}
  .viewport{overflow:hidden;border-radius:28px}
  .track{display:flex;transition:transform .6s cubic-bezier(.3,.7,.2,1)}
  .slide{flex:0 0 100%;padding:2px}
  .scard{background:linear-gradient(160deg,#141a2b,#0d1120);border:1px solid var(--line);border-radius:26px;padding:34px 30px 30px;text-align:center}
  .num{width:74px;height:74px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;font-family:"Orbitron";font-weight:900;font-size:1.9rem;color:#190a02;background:linear-gradient(135deg,var(--a2),var(--a1) 60%,var(--a3));box-shadow:0 0 0 8px rgba(255,90,31,.14),0 10px 30px var(--glow)}
  .scard h3{font-family:"Orbitron";font-size:1.35rem;letter-spacing:1px;margin-bottom:8px}
  .scard p{color:var(--muted);max-width:480px;margin:0 auto 22px;font-size:1.02rem}
  .frame{border-radius:18px;overflow:hidden;background:
    radial-gradient(400px 200px at 50% 0%,rgba(255,90,31,.18),transparent 70%),#080b14;border:1px solid var(--line);padding-top:14px}
  .frame svg{display:block;width:100%;height:auto}
  .frame text{font-family:"Hind Siliguri",sans-serif}
  .arrow{position:absolute;top:50%;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(7,8,13,.9);color:#fff;cursor:pointer;display:grid;place-items:center;transition:.25s;z-index:3;transform:translateY(-50%)}
  .arrow:hover{background:var(--a1);border-color:var(--a1);color:#190a02}
  .arrow.prev{left:-14px}.arrow.next{right:-14px}
  .dots{display:flex;justify-content:center;gap:10px;margin-top:22px}
  .dots button{width:10px;height:10px;border-radius:99px;border:0;background:#2a3249;cursor:pointer;transition:.3s}
  .dots button.on{width:34px;background:linear-gradient(90deg,var(--a2),var(--a1))}
  .howcta{text-align:center;margin-top:34px}
  .tap{transform-box:fill-box;transform-origin:center;animation:tap 1.8s ease-out infinite}
  .tap.t2{animation-delay:.6s}
  @keyframes tap{0%{transform:scale(.3);opacity:.9}100%{transform:scale(2.4);opacity:0}}
  .prog{transform-box:fill-box;transform-origin:left center;animation:prog 3.2s ease-in-out infinite}
  @keyframes prog{0%{transform:scaleX(.05)}85%,100%{transform:scaleX(1)}}
  .cur{animation:cur 1.8s ease-in-out infinite}
  @keyframes cur{0%,100%{transform:translate(0,0)}50%{transform:translate(-6px,-6px)}}

  .scard h3{font-family:"Hind Siliguri",sans-serif;font-size:1.6rem;font-weight:700;letter-spacing:0}
  .scard p{color:#ffbf70;font-size:1.05rem;max-width:520px}
  .scard p b{color:#fff}
  .num{width:88px;height:88px;font-size:2.1rem}
  .frame{background:#fff;border:0;padding:6px 0 0;border-radius:18px}
  .frame text.sys{font-family:Roboto,"Segoe UI",Arial,sans-serif}
  .tgt{animation:tgt 3.4s ease-in-out infinite}
  .tgk{animation:tgk 3.4s ease-in-out infinite}
  @keyframes tgt{0%,35%{fill:#6b6572}55%,100%{fill:#ff5a1f}}
  @keyframes tgk{0%,35%{transform:translateX(0)}55%,100%{transform:translateX(21px)}}
  .howcta{margin-top:44px;padding:30px 20px;border-radius:24px;background:#080b14;border:1px solid var(--line)}
  .howcta h4{font-size:1.2rem;margin-bottom:16px}
  .howcta .safe{margin-top:14px;font-size:.85rem;color:var(--muted)}

  /* ---------- DOWNLOAD ---------- */
  .download{text-align:center;position:relative;overflow:hidden;background:
    radial-gradient(800px 360px at 50% 0%,rgba(255,90,31,.28),transparent 70%),var(--bg)}
  .dl-box{position:relative;padding:70px 30px;border-radius:32px;border:1px solid rgba(255,182,46,.28);background:linear-gradient(160deg,rgba(255,90,31,.12),rgba(255,46,99,.06) 60%,rgba(18,22,36,.6));backdrop-filter:blur(8px);overflow:hidden}
  .dl-box::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:var(--a1);filter:blur(140px);opacity:.18;right:-100px;top:-120px}
  .dl-box h2{font-size:clamp(2rem,4.6vw,3.2rem);font-weight:700;position:relative}
  .dl-box p.sub{color:var(--muted);margin-top:8px;position:relative}
  .stores{display:flex;justify-content:center;flex-wrap:wrap;gap:18px;margin:38px 0 22px;position:relative}
  .store{display:flex;align-items:center;gap:14px;padding:14px 28px;border-radius:16px;background:#fff;color:#0b0d12;min-width:220px;transition:.3s;text-align:left;box-shadow:0 10px 30px rgba(0,0,0,.35)}
  .store:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(255,255,255,.18)}
  .store svg{width:34px;height:34px;flex:none}
  .store small{display:block;font-size:.7rem;opacity:.65;line-height:1.1}
  .store b{font-size:1.2rem;font-family:"Rajdhani";line-height:1.2}
  .req{color:var(--muted);font-size:.88rem;position:relative}

  /* ---------- FAQ ---------- */
  .faq{max-width:780px;margin-inline:auto}
  details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 26px;margin-bottom:14px;transition:.3s}
  details[open]{border-color:rgba(255,90,31,.55)}
  summary{cursor:pointer;font-weight:600;list-style:none;font-size:1.05rem}
  summary::-webkit-details-marker{display:none}
  summary::after{content:"+";float:right;color:var(--a1);font-size:1.4rem;line-height:1}
  details[open] summary::after{content:"–"}
  details p{color:var(--muted);margin-top:12px}

  footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:.9rem;text-align:center;background:var(--bg2)}
  footer .logo{justify-content:center;margin-bottom:12px;color:#fff}
  footer p+p{margin-top:8px;font-size:.78rem;opacity:.7}

  @media(max-width:360px){
    .logo span.grad{display:none}
    h1{font-size:2.3rem}
    .btn{padding:13px 20px;font-size:.95rem}
  }
  @media(min-width:1600px){
    .wrap{width:min(1320px,90%)}
    body{font-size:17px}
  }
  @media(max-height:520px) and (orientation:landscape){
    .hero{min-height:auto;padding:96px 0 50px}
  }
  @media(prefers-reduced-motion:reduce){
    *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  }

  /* reveal */
  .rv{opacity:0;transform:translateY(34px);transition:1s cubic-bezier(.2,.7,.2,1)}
  .rv.in{opacity:1;transform:none}

  @media(max-width:960px){
    nav ul{display:none}
    .menu-btn{display:flex}
    header.menu-open{background:rgba(7,8,13,.96)}
    .hero-grid{grid-template-columns:1fr;text-align:center}
    .lead{margin-inline:auto}
    .cta,.stats{justify-content:center}
    .visual{display:none}
    .hero-logo{display:block;width:120px;height:120px;border-radius:26px;margin:0 auto 18px;box-shadow:0 0 44px rgba(60,120,255,.55)}
    .ring{width:380px;height:380px}.ring.r2{width:300px;height:300px}
    .grid3{grid-template-columns:1fr 1fr}
  }
  @media(max-width:560px){
    .logo{font-size:.9rem;letter-spacing:1px}
    .logo img{width:32px;height:32px}
    .btn-sm{padding:9px 14px;font-size:.85rem}
    .arrow{width:38px;height:38px}
    .arrow.prev{left:4px}.arrow.next{right:4px}
    .scard{padding:26px 16px 22px}
    .scard h3{font-size:1.35rem}
    .scard p{font-size:.97rem}
    .num{width:72px;height:72px;font-size:1.7rem}
    .stats{gap:26px}
    .stats b{font-size:1.5rem}
    .store{min-width:0;width:100%;justify-content:center}
    .dl-box{padding:48px 18px}
    .howcta{padding:24px 14px}
    .grid3{grid-template-columns:1fr}
    .chip.c1,.chip.c3{display:none}
    section{padding:80px 0}
  }