:root{
  --navy:#09264a;
  --orange:#ff7a00;
  --teal:#0f7891;
  --light:#f6f8fb;
  --text:#182233;
  --muted:#687386;
  --border:#e6eaf0;
  --success:#148a49;
  --danger:#b71c1c;
  --shadow:0 18px 45px rgba(9,38,74,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,"Noto Sans Bengali",sans-serif;color:var(--text);background:#fff;line-height:1.65}
a{color:inherit} img{max-width:100%;display:block}.container{width:min(1120px,92%);margin:auto}.section{padding:68px 0}.grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:42px}.align-center{align-items:center}.align-start{align-items:start}.topbar{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);z-index:50;border-bottom:1px solid var(--border)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand img{width:54px;height:54px;border-radius:50%;object-fit:cover}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand small{color:var(--orange);font-weight:700}.nav-whatsapp{background:var(--navy);color:#fff;text-decoration:none;padding:10px 16px;border-radius:999px;font-weight:700}.hero{background:linear-gradient(135deg,#fff 0%,#f5fbff 60%,#fff2e6 100%);padding-top:54px}.badge{display:inline-flex;align-items:center;gap:8px;background:#e9f7f5;color:#126d5d;padding:8px 14px;border-radius:999px;font-weight:800;font-size:14px}.badge.orange{background:#fff0df;color:#c75900}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;margin:18px 0 16px;color:var(--navy)}.lead{font-size:20px;color:#354158}.price-card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:22px;margin:26px 0;box-shadow:var(--shadow)}.offer-label{margin:0;color:var(--orange);font-weight:900}.price-card h2{margin:6px 0;color:var(--navy)}.price{font-size:44px;font-weight:900;color:var(--orange);line-height:1}.price.large{font-size:58px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;text-decoration:none;border:0;border-radius:14px;padding:14px 22px;font-weight:900;cursor:pointer;font-size:16px}.btn.primary{background:var(--orange);color:#fff;box-shadow:0 10px 28px rgba(255,122,0,.28)}.btn.secondary{background:#fff;color:var(--navy);border:1px solid var(--border)}.btn.full{width:100%}.micro{color:var(--muted);font-size:14px}.hero-media img,.rounded-img{border-radius:26px;box-shadow:var(--shadow)}.eyebrow{color:var(--orange);font-weight:900;text-transform:uppercase;letter-spacing:.08em;font-size:14px}h2{font-size:clamp(28px,4vw,42px);line-height:1.22;margin:8px 0 16px;color:var(--navy)}.note-box{background:#f6fbff;border-left:5px solid var(--teal);padding:18px;border-radius:16px}.video-section,.benefits,.order-section{background:var(--light)}.section-title{text-align:center;max-width:760px;margin:0 auto 32px}.product-video{width:100%;max-height:620px;background:#000;border-radius:26px;box-shadow:var(--shadow)}.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.benefit-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px;font-weight:800;box-shadow:0 8px 22px rgba(9,38,74,.06)}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.gallery-grid img{height:330px;width:100%;object-fit:cover;border-radius:22px;box-shadow:0 8px 22px rgba(9,38,74,.08)}.offer-panel{background:#fff;border:1px solid var(--border);border-radius:26px;padding:30px;box-shadow:var(--shadow)}.clean-list{list-style:none;padding:0;margin:18px 0}.clean-list li{padding:9px 0;border-bottom:1px solid var(--border)}.clean-list li:before{content:"✓";color:var(--success);font-weight:900;margin-right:8px}.steps{counter-reset:item;list-style:none;padding:0;margin:0}.steps li{position:relative;background:#fff;border:1px solid var(--border);border-radius:16px;padding:15px 18px 15px 54px;margin-bottom:12px;font-weight:800}.steps li:before{counter-increment:item;content:counter(item);position:absolute;left:16px;top:14px;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-size:14px}.policy-box{background:linear-gradient(135deg,var(--navy),#0f416f);color:#fff;border-radius:28px;padding:34px;box-shadow:var(--shadow);text-align:center}.policy-box h2{color:#fff}.policy-box strong{color:#fff;font-size:22px}.disclaimer{background:#fff8f0}.disclaimer .container{background:#fff;border:1px solid #ffe0bf;border-radius:24px;padding:28px}.order-form{background:#fff;border:1px solid var(--border);border-radius:26px;padding:26px;box-shadow:var(--shadow)}.order-form label{display:block;font-weight:800;margin-bottom:16px}.order-form span{color:var(--danger)}input,select,textarea{width:100%;border:1px solid #cfd7e3;border-radius:13px;padding:14px 15px;font-size:16px;margin-top:7px;font-family:inherit;background:#fff}textarea{resize:vertical}.hidden-field{display:none!important}.summary-card,.total-box{background:#fff;border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:0 8px 22px rgba(9,38,74,.06)}.total-box{background:#f8fbff;margin:18px 0}.total-box div{display:flex;justify-content:space-between;border-bottom:1px solid var(--border);padding:8px 0}.total-box .grand{font-size:20px;border-bottom:0;color:var(--navy)}.form-note{font-size:13px;color:var(--muted);text-align:center}.faq-list{max-width:860px;margin:auto}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:16px;margin-bottom:12px;padding:16px}.faq-list summary{font-weight:900;color:var(--navy);cursor:pointer}.footer{background:var(--navy);color:#dbe7f8;padding:54px 0 80px}.footer-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:30px}.footer-logo{width:76px;height:76px;border-radius:50%;object-fit:cover}.footer h3,.footer h4{color:#fff}.footer a{color:#fff}.floating-whatsapp{position:fixed;right:18px;bottom:18px;background:#21b75b;color:#fff;text-decoration:none;padding:14px 18px;border-radius:999px;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.2);z-index:60}
@media (max-width:900px){.grid-2{grid-template-columns:1fr}.benefit-grid{grid-template-columns:repeat(2,1fr)}.gallery-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.nav{height:68px}.brand img{width:48px;height:48px}.section{padding:52px 0}.hero-copy{order:1}.hero-media{order:2}.policy-box strong{font-size:18px}}
@media (max-width:560px){.benefit-grid,.gallery-grid{grid-template-columns:1fr}.gallery-grid img{height:auto}.hero-actions .btn{width:100%}.nav-whatsapp{padding:9px 12px;font-size:14px}.brand small{display:none}.floating-whatsapp{left:16px;right:16px;text-align:center}.price-card{padding:18px}.order-form{padding:20px}.hero h1{font-size:34px}.lead{font-size:18px}}