/* ===== Binany Bangladesh — shared styles ===== */
:root{
  --navy:#0B1B3F;
  --navy-2:#10254f;
  --navy-3:#0a1530;
  --gold:#F5B301;
  --gold-2:#d99a00;
  --ink:#0B1B3F;
  --text:#1c2942;
  --muted:#5a6783;
  --line:#e3e8f2;
  --bg:#f5f7fc;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 10px 35px rgba(11,27,63,.10);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Hind Siliguri','Noto Sans Bengali','Poppins',sans-serif;
  color:var(--text);background:var(--bg);line-height:1.75;font-size:17px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--gold-2);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
header.site{
  position:sticky;top:0;z-index:100;
  background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 100%);
  border-bottom:1px solid rgba(245,179,1,.25);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand img{height:30px;width:auto}
.menu{display:flex;align-items:center;gap:28px}
.menu a{color:#dfe6f5;font-weight:600;font-size:15px;transition:color .2s}
.menu a:hover,.menu a.active{color:var(--gold)}
.cta-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(180deg,var(--gold) 0%,var(--gold-2) 100%);
  color:var(--navy);font-weight:800;border:none;cursor:pointer;
  padding:12px 24px;border-radius:999px;font-size:15px;
  box-shadow:0 6px 18px rgba(245,179,1,.35);transition:transform .15s,box-shadow .2s;
  white-space:nowrap;
}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(245,179,1,.5);color:var(--navy)}
.cta-btn.lg{padding:16px 34px;font-size:18px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:3px;background:var(--gold);border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(1200px 500px at 80% -10%,rgba(245,179,1,.18),transparent 60%),
             linear-gradient(135deg,var(--navy-3) 0%,var(--navy) 55%,var(--navy-2) 100%);
  color:#fff;padding:72px 0 80px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(245,179,1,.25),transparent 70%);border-radius:50%;
}
.hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-block;background:rgba(245,179,1,.15);color:var(--gold);
  border:1px solid rgba(245,179,1,.4);padding:6px 16px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.5px;margin-bottom:18px;
}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.25;font-weight:800;max-width:880px;color:#fff}
.hero p.lead{margin-top:18px;font-size:19px;color:#cdd6ec;max-width:720px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-stats{display:flex;flex-wrap:wrap;gap:30px;margin-top:42px}
.hero-stats .stat{min-width:120px}
.hero-stats .num{font-size:30px;font-weight:800;color:var(--gold)}
.hero-stats .lbl{font-size:13px;color:#aab6d4;text-transform:uppercase;letter-spacing:.6px}

/* ---------- Sections / typography ---------- */
main{padding:56px 0}
section.block{margin-bottom:52px}
h2{font-size:clamp(23px,3.4vw,32px);color:var(--navy);font-weight:800;line-height:1.3;margin-bottom:8px;position:relative;padding-top:10px}
h2::before{content:"";display:block;width:54px;height:4px;background:var(--gold);border-radius:3px;margin-bottom:16px}
h3{font-size:21px;color:var(--navy-2);font-weight:700;margin:24px 0 8px}
p{margin-bottom:14px}
ul,ol{margin:10px 0 18px 4px;padding-left:24px}
li{margin-bottom:8px}
ul li::marker{color:var(--gold-2)}
ol li::marker{color:var(--gold-2);font-weight:700}
strong{color:var(--navy)}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);margin:20px 0}
table{width:100%;border-collapse:collapse;background:#fff;min-width:520px}
caption{caption-side:top;text-align:left;font-weight:700;color:var(--muted);padding:0 0 10px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:15.5px}
thead th{background:var(--navy);color:#fff;font-weight:700}
tbody tr:nth-child(even){background:#f7f9fe}
tbody tr:hover{background:#fff7e6}

/* ---------- Feature tiles ---------- */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.feature:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(11,27,63,.14)}
.feature .ico{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--gold),var(--gold-2));display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.feature h3{margin-top:0}

/* ---------- Bonus / highlight banners ---------- */
.banner{
  background:linear-gradient(120deg,var(--navy) 0%,var(--navy-2) 100%);
  color:#fff;border-radius:20px;padding:38px 34px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.banner::before{content:"";position:absolute;left:-60px;bottom:-60px;width:220px;height:220px;background:radial-gradient(circle,rgba(245,179,1,.22),transparent 70%);border-radius:50%}
.banner h3{color:#fff;margin:0;font-size:24px}
.banner p{color:#cdd6ec;margin:6px 0 0;position:relative;z-index:2}
.banner .txt{position:relative;z-index:2;max-width:640px}

.pill{display:inline-block;background:rgba(245,179,1,.14);color:var(--gold-2);border:1px solid rgba(245,179,1,.4);padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:10px}

/* ---------- FAQ ---------- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;box-shadow:0 4px 14px rgba(11,27,63,.05);overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-2);font-size:24px;font-weight:700;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details .ans{padding:0 22px 20px;color:var(--text)}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:18px}
.step{background:#fff;border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:12px;padding:20px 24px;box-shadow:0 6px 18px rgba(11,27,63,.06);position:relative}
.step h3{margin:0 0 6px;display:flex;align-items:center;gap:12px}
.step .n{counter-increment:step;background:var(--navy);color:var(--gold);width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto}
.step .n::before{content:counter(step)}

/* ---------- Author box ---------- */
.author{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-top:40px}
.author .avatar{flex:0 0 auto;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:var(--gold);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:24px}
.author .name{font-weight:800;color:var(--navy);font-size:18px}
.author .role{color:var(--gold-2);font-weight:600;font-size:14px;margin-bottom:6px}
.author p{margin:0;font-size:15px;color:var(--muted)}

/* ---------- CTA section ---------- */
.cta-strip{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);border-radius:22px;padding:40px 34px;text-align:center;color:var(--navy);margin:46px 0}
.cta-strip h2{color:var(--navy)}
.cta-strip h2::before{margin:0 auto 16px}
.cta-strip .cta-btn{background:var(--navy);color:var(--gold);box-shadow:0 8px 22px rgba(11,27,63,.3)}
.cta-strip .cta-btn:hover{color:#fff;background:var(--navy-2)}

/* ---------- Footer ---------- */
footer.site{background:var(--navy-3);color:#aeb9d6;padding:46px 0 26px;margin-top:30px}
footer.site .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px;margin-bottom:28px}
footer.site img{height:28px;margin-bottom:14px}
footer.site h4{color:#fff;font-size:15px;margin-bottom:12px}
footer.site a{color:#aeb9d6;display:block;margin-bottom:8px;font-size:14px}
footer.site a:hover{color:var(--gold)}
.disclaimer{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:12.5px;color:#7e8aac;line-height:1.7}

.section-intro{color:var(--muted);max-width:780px;margin-bottom:18px}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  body{font-size:16px}
  .menu{
    position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;
    background:var(--navy);padding:18px 20px;gap:14px;
    transform:translateY(-150%);transition:transform .3s;border-bottom:1px solid rgba(245,179,1,.25);
  }
  .menu.open{transform:translateY(0)}
  .menu a{padding:8px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .menu .cta-btn{text-align:center}
  .burger{display:flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr;gap:24px}
  .hero{padding:54px 0 60px}
  .banner{flex-direction:column;align-items:flex-start}
}