:root{--blue:#1428b8;--navy:#070f58;--gold:#b9c2cf;--ink:#101735;--muted:#626b82;--pale:#f4f6fb;--line:#e2e6f0;--shadow:0 18px 50px rgba(16,37,58,.09)}
    *{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{font-family:'Hind Siliguri',sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{text-decoration:none}.section{padding:82px 0}.section-soft{background:var(--pale)}.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:.87rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.section-title{font-size:clamp(1.9rem,4vw,2.75rem);font-weight:700;line-height:1.18;margin:.6rem 0 1rem}.section-copy{color:var(--muted);max-width:660px}.gold-line{width:55px;height:3px;border-radius:9px;background:var(--gold);margin:18px auto 0}.navbar{background:rgba(255,255,255,.91);backdrop-filter:blur(16px);border-bottom:1px solid rgba(20,40,184,.08);transition:.25s}.navbar-brand{font-weight:700;color:var(--navy)!important;font-size:1.35rem}.logo-mark{display:inline-grid;place-items:center;width:36px;height:36px;border:1px solid var(--gold);border-radius:50%;margin-right:7px;color:var(--gold)}.nav-link{color:var(--ink)!important;font-weight:500;margin:0 .3rem}.nav-link:hover{color:var(--blue)!important}.phone{font-weight:600;color:var(--navy)}.btn-premium{background:linear-gradient(135deg,var(--blue),#080f63);color:#fff;border:0;border-radius:10px;padding:.82rem 1.45rem;font-weight:600;box-shadow:0 10px 25px rgba(20,40,184,.22);transition:.25s}.btn-premium:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(20,40,184,.29)}.hero{min-height:750px;padding:145px 0 80px;overflow:hidden;position:relative}.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(20,40,184,.10),transparent 67%);right:-80px;top:100px;pointer-events:none}.badge-new{display:inline-block;background:#eef0ff;color:var(--blue);border:1px solid #d9ddff;border-radius:99px;padding:.4rem .8rem;font-weight:600}.hero h1{font-size:clamp(2.35rem,5vw,4.25rem);line-height:1.07;font-weight:700;letter-spacing:-.03em;margin:20px 0}.hero h1 span{color:var(--blue)}.benefit-list{list-style:none;padding:0;margin:0}.benefit-list li{margin:.45rem 0;color:#454d68}.benefit-list i{color:var(--blue);margin-right:8px}.price-wrap{display:flex;align-items:center;gap:20px;margin:25px 0}.old-price{color:#8190a0;text-decoration:line-through;font-size:1.2rem}.new-price{font-size:2.35rem;line-height:1;font-weight:700;color:var(--navy)}.discount{background:#e8ebf4;color:#121d78;border-radius:6px;padding:.25rem .55rem;font-weight:700}.product-float{width:min(100%,540px);height:590px;object-fit:contain;display:block;margin:auto;filter:drop-shadow(0 27px 22px rgba(14,37,59,.18));animation:float 4.5s ease-in-out infinite}@keyframes float{50%{transform:translateY(-12px)}}.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;background:#fff}.trust-item{display:flex;align-items:center;gap:12px;justify-content:center;font-weight:600}.trust-item i{font-size:1.45rem;color:var(--gold)}.feature-card{height:100%;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 8px 26px rgba(16,37,58,.05);transition:.25s}.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cdd3ea}.icon-box{width:52px;height:52px;display:grid;place-items:center;background:#edf0ff;border-radius:14px;color:var(--blue);font-size:1.45rem;margin-bottom:18px}.feature-card h3{font-size:1.1rem;font-weight:700;margin:0}.large-product{width:min(100%,480px);height:550px;object-fit:contain;filter:drop-shadow(0 25px 18px rgba(16,37,58,.17))}.check-row{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-weight:500}.check-row i{color:var(--gold);font-size:1.2rem}.receive-item{text-align:center;padding:14px}.receive-item img{height:245px;width:100%;object-fit:contain;filter:drop-shadow(0 15px 12px rgba(16,37,58,.14));transition:.3s}.receive-item:hover img{transform:translateY(-7px) scale(1.02)}.receive-item h3{font-size:1.15rem;font-weight:700;margin:12px 0 4px}.receive-item p{color:var(--muted);font-size:.92rem}.step{position:relative;text-align:center;padding:20px}.step-num{width:64px;height:64px;border:1px solid var(--gold);color:var(--navy);background:#fff;border-radius:50%;display:grid;place-items:center;margin:0 auto 15px;font-size:1.5rem;font-weight:700;box-shadow:0 9px 24px rgba(16,37,58,.08)}.step h3{font-size:1.1rem;font-weight:700}.gallery-item{overflow:hidden;padding:18px;text-align:center}.gallery-item img{height:270px;width:100%;object-fit:contain;filter:drop-shadow(0 14px 12px rgba(16,37,58,.14));transition:.4s}.gallery-item:hover img{transform:scale(1.09)}.review-card{height:100%;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 12px 35px rgba(16,37,58,.07)}.stars{color:#8d99aa;letter-spacing:2px}.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#eaecff;color:var(--blue);font-weight:700}.verified{font-size:.82rem;color:#198754}.offer{background:linear-gradient(125deg,#070f58,#1428b8);color:#fff;border-radius:26px;padding:52px;box-shadow:0 25px 70px rgba(7,15,88,.25);position:relative;overflow:hidden}.offer:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(210,218,229,.32);border-radius:50%;right:-90px;top:-100px}.offer .old-price{color:#b9d0e5}.offer .new-price{color:#fff}.proof-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-top:25px}.proof-list div{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:9px;padding:11px}.proof-list i{color:#d8dee8}.order-card{border:1px solid var(--line);border-radius:22px;padding:34px;background:#fff;box-shadow:var(--shadow)}.form-label{font-weight:600}.form-control,.form-select{padding:.86rem 1rem;border-color:#dce5ed;border-radius:9px}.form-control:focus,.form-select:focus{border-color:#6f7de0;box-shadow:0 0 0 .2rem rgba(20,40,184,.1)}.order-summary{background:var(--pale);border-radius:18px;padding:27px;height:100%}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;overflow:hidden;margin-bottom:12px}.accordion-button{font-weight:600;padding:1.2rem}.accordion-button:not(.collapsed){background:#eef0ff;color:var(--blue);box-shadow:none}.accordion-button:focus{box-shadow:none}.final-cta{background:linear-gradient(120deg,#f8f9ff,#edf0fb);border-top:1px solid #dfe3f0;border-bottom:1px solid #dfe3f0}.footer{background:#050a38;color:#c4d0db;padding:55px 0 90px}.footer h3{color:#fff;font-size:1.3rem}.footer a{color:#c4d0db}.footer a:hover{color:#fff}.social a{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid #3d477f;border-radius:50%;margin-right:8px}.float-btn{position:fixed;right:20px;width:51px;height:51px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:1.45rem;z-index:1030;box-shadow:0 8px 22px rgba(0,0,0,.2)}.float-btn:hover{color:#fff;transform:scale(1.05)}.whatsapp{bottom:86px;background:#25d366}.call{bottom:25px;background:var(--blue)}.mobile-order{display:none;position:fixed;bottom:0;left:0;right:0;z-index:1025;padding:9px 12px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(10px)}.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}.counter{font-size:1.65rem;font-weight:700;color:var(--navy)}
    @media(max-width:991.98px){.hero{padding-top:120px;text-align:center}.hero .benefit-list{display:inline-block;text-align:left}.price-wrap{justify-content:center}.product-float{height:460px}.section{padding:65px 0}.offer{padding:38px}.navbar-collapse{padding:15px 0}.desktop-phone{display:none}}
    @media(max-width:767.98px){body{padding-bottom:66px}.hero{padding-top:105px}.hero h1{font-size:2.55rem}.product-float{height:390px}.large-product{height:390px}.section{padding:55px 0}.section-title{font-size:2rem}.offer{padding:30px 22px}.proof-list{grid-template-columns:1fr}.order-card{padding:22px}.mobile-order{display:block}.float-btn{right:14px}.call{bottom:80px}.whatsapp{bottom:140px}.footer{padding-bottom:110px}.gallery-item img{height:210px}.receive-item img{height:210px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.product-float{animation:none}.reveal{opacity:1;transform:none;transition:none}}
/* ছোট সহায়ক স্টাইল */
.offer-content{z-index:1}
.summary-product{object-fit:contain;filter:drop-shadow(0 8px 7px rgba(0,0,0,.14))}
.hero{padding-top:80px}
@media(max-width:991.98px){.hero{padding-top:65px}}
.footer{padding:18px 0}
@media(max-width:767.98px){.footer{padding:18px 0 82px}}
.offer-badge{background:linear-gradient(135deg,#f4f6f9,#adb7c6);color:#070f58;border:1px solid rgba(255,255,255,.6)}

/* প্রোডাক্টের রয়্যাল ব্লু রঙের সঙ্গে মিলিয়ে হিরো */
.hero{
  background:linear-gradient(120deg,#070f58 0%,#111d8f 48%,#1428b8 100%);
  color:#fff;
}
.hero:before{
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  right:-120px;
  top:45px;
}
.hero:after{
  content:"";
  position:absolute;
  width:320px;
  height:320px;
  border-radius:50%;
  border:1px solid rgba(185,194,207,.14);
  left:-180px;
  bottom:-180px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.hero h1 span{color:#fff}
.hero .benefit-list li{color:#eef1ff}
.hero .benefit-list i{color:#c9d1dc}
.hero .old-price{color:#b7c0d9}
.hero .new-price{color:#fff}
.hero .discount{background:#fff;color:#1428b8}
.hero .badge-new{background:#fff;color:#101d8d;border-color:#fff}
.hero .text-secondary{color:#d5daeb!important}
.hero .text-primary{color:#fff!important}
.hero .btn-premium{background:#fff;color:#1428b8;box-shadow:0 12px 30px rgba(0,0,0,.2)}
.hero .btn-premium:hover{color:#070f58;background:#f3f5ff}

/* হিরো: উপরে তথ্য, নিচে প্রোডাক্ট */
.hero{padding-bottom:55px;text-align:center}
.hero .row{flex-direction:column;align-items:center}
.hero .col-lg-6{width:100%;max-width:920px}
.hero .benefit-list{display:flex;width:100%;justify-content:center;align-items:center;gap:14px 28px;text-align:left}
.hero .benefit-list li{margin:0;white-space:nowrap}
.hero .price-wrap{justify-content:center}
.hero .product-float{height:520px;margin-top:-15px}
.hero .col-lg-6:last-child{position:relative;isolation:isolate}
.hero .col-lg-6:last-child:before{
  content:"";
  position:absolute;
  z-index:-2;
  width:min(72vw,680px);
  height:430px;
  left:50%;
  bottom:18px;
  transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(102,125,255,.38) 0%,rgba(50,71,212,.18) 42%,rgba(7,15,88,0) 72%);
  filter:blur(5px);
  pointer-events:none;
}
.hero .col-lg-6:last-child:after{
  content:"";
  position:absolute;
  z-index:-1;
  width:min(52vw,470px);
  height:42px;
  left:50%;
  bottom:25px;
  transform:translateX(-50%);
  border-radius:50%;
  background:radial-gradient(ellipse,rgba(3,8,51,.6) 0%,rgba(92,110,223,.24) 45%,rgba(255,255,255,0) 75%);
  filter:blur(9px);
  pointer-events:none;
}
.hero .product-float{position:relative;z-index:1;filter:drop-shadow(0 30px 24px rgba(0,5,45,.32))}

@media(max-width:767.98px){
  .hero{padding-bottom:40px}
  .hero .product-float{height:390px;margin-top:-8px}
  .hero .col-lg-6:last-child:before{width:100%;height:310px;bottom:15px}
  .hero .col-lg-6:last-child:after{width:78%;bottom:20px}
  .hero .benefit-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px}
  .hero .benefit-list li{white-space:normal;font-size:.92rem}
}

@media(max-width:430px){
  .hero .benefit-list{grid-template-columns:1fr;max-width:310px;margin-inline:auto}
}

.quantity-control{display:grid;grid-template-columns:52px minmax(80px,1fr) 52px;overflow:hidden;border:1px solid #dce5ed;border-radius:10px;background:#fff}
.quantity-control button{border:0;background:#eef0ff;color:var(--blue);font-size:1.65rem;font-weight:700;cursor:pointer;transition:.2s}
.quantity-control button:hover{background:var(--blue);color:#fff}
.quantity-control input{width:100%;padding:.78rem;text-align:center;border:0;border-right:1px solid #dce5ed;border-left:1px solid #dce5ed;font:inherit;font-size:1.15rem;font-weight:700;color:var(--navy);outline:0;-moz-appearance:textfield}
.quantity-control input::-webkit-inner-spin-button,.quantity-control input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.quantity-control:focus-within{border-color:#6f7de0;box-shadow:0 0 0 .2rem rgba(20,40,184,.1)}