@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@400;500;600;700;800&display=swap');

:root{
  --primary:#155eef;
  --dark:#0b1220;
  --text:#273142;
  --muted:#667085;
  --light:#f5f8ff;
  --white:#fff;
  --border:#e4e7ec;
  --success:#16a34a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans Bengali',Arial,sans-serif;color:var(--text);background:#fff;line-height:1.7}
a{text-decoration:none;color:inherit}
.site-header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 14px rgba(16,24,40,.08)}
.top-strip{background:var(--dark);color:#fff;text-align:center;padding:6px 15px;font-size:13px}
.nav-wrap{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:var(--primary);color:#fff;font-weight:800}
.brand strong{display:block;font-size:18px;letter-spacing:.5px}
.brand small{display:block;color:var(--muted);font-size:11px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:9px 12px;font-size:14px;font-weight:600}
.nav a:hover{color:var(--primary)}
.nav-cta{background:var(--primary);color:#fff!important;border-radius:8px}
.menu-toggle{display:none;border:0;background:none;font-size:24px}
.hero{min-height:570px;display:flex;align-items:center;background:linear-gradient(120deg,#0b1220 0%,#123b88 60%,#155eef 100%);color:#fff;padding:70px 20px}
.hero-content{max-width:1180px;width:100%;margin:auto}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.5px;color:#b9d0ff;margin-bottom:8px}
.hero h1{max-width:780px;font-size:clamp(34px,5vw,60px);line-height:1.15;margin:0 0 20px}
.hero p{max-width:720px;font-size:18px;color:#dbe6ff}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}
.btn{display:inline-block;border:0;border-radius:8px;padding:11px 20px;font-weight:700;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--primary);color:#fff}
.hero .btn-primary{background:#fff;color:#1244a2}
.btn-outline{border:1px solid rgba(255,255,255,.6);color:#fff}
.btn-light{background:#fff;color:var(--primary)}
.btn-whatsapp{background:var(--success);color:#fff}
.moving-bar{overflow:hidden;background:#fff7d6;border-top:1px solid #f4df8c;border-bottom:1px solid #f4df8c;white-space:nowrap}
.moving-track{display:inline-block;padding:9px 0;animation:moveText 20s linear infinite}
.moving-track span{padding-left:100vw;font-weight:600;color:#6b4f00}
@keyframes moveText{from{transform:translateX(0)}to{transform:translateX(-100%)}}
.section{max-width:1180px;margin:auto;padding:80px 20px}
.section-light{max-width:none;background:var(--light)}
.section-light>*{max-width:1180px;margin-left:auto;margin-right:auto}
.section-heading{text-align:center;margin-bottom:40px}
.section-heading span,.page-hero .eyebrow{color:var(--primary);font-weight:800}
.section-heading h2{font-size:34px;margin:5px 0}
.section-heading p{color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.info-card{border:1px solid var(--border);border-radius:14px;padding:24px;background:#fff;transition:.2s}
.info-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(16,24,40,.08)}
.card-icon{font-size:32px;margin-bottom:8px}
.info-card h3{margin:5px 0;font-size:18px}
.info-card p{color:var(--muted);font-size:14px}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.service-item{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 18px;font-weight:600}
.service-item span{color:var(--success);margin-right:10px}
.cta{background:var(--primary);color:#fff;padding:55px max(20px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{margin:0 0 5px;font-size:30px}
.cta p{margin:0;color:#dbe6ff}
.page-hero{background:var(--light);padding:75px 20px}
.page-hero>div{max-width:1180px;margin:auto}
.page-hero h1{font-size:44px;margin:5px 0}
.page-hero p{color:var(--muted)}
.product-list{display:grid;gap:12px}
.product-row{display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:18px;border:1px solid var(--border);border-radius:12px;padding:14px 18px}
.product-placeholder{width:60px;height:60px;border-radius:10px;background:#eaf0ff;color:var(--primary);display:grid;place-items:center;font-weight:800}
.product-row h3{margin:0}
.product-row p{margin:0;color:var(--muted);font-size:14px}
.small-link{color:var(--primary);font-weight:700}
.two-column{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.check-list{padding:0;list-style:none}
.check-list li{padding:8px 0;border-bottom:1px solid var(--border)}
.check-list li:before{content:'✓';color:var(--success);font-weight:800;margin-right:10px}
.contact-box,.contact-form,.stats-box{border:1px solid var(--border);border-radius:14px;padding:28px;background:#fff}
.stats-box{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stats-box div{background:var(--light);padding:18px;border-radius:10px}
.stats-box strong{display:block;font-size:25px;color:var(--primary)}
.stats-box span{font-size:13px;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}
.contact-form{display:grid;gap:8px}
.contact-form input,.contact-form textarea{width:100%;padding:12px;border:1px solid #d0d5dd;border-radius:8px;font:inherit}
.form-note{font-size:12px;color:var(--muted)}
.footer{background:#0b1220;color:#d0d5dd;padding:55px 20px 0}
.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px}
.footer h3{color:#fff;margin-top:0}
.footer a{display:block;margin:5px 0;color:#d0d5dd}
.footer-brand{color:#fff}
.copyright{max-width:1180px;margin:40px auto 0;padding:18px 0;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:13px}
@media(max-width:900px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:10px 20px;box-shadow:0 10px 20px rgba(0,0,0,.08);flex-direction:column;align-items:stretch}
  .nav.open{display:flex}
  .menu-toggle{display:block}
  .two-column,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .card-grid,.service-grid,.footer-grid{grid-template-columns:1fr}
  .hero{min-height:500px}
  .hero h1{font-size:36px}
  .hero p{font-size:16px}
  .cta{display:block}
  .cta .btn{margin-top:20px}
  .product-row{grid-template-columns:55px 1fr}
  .product-row .small-link{grid-column:2}
  .page-hero h1{font-size:34px}
}