:root{
  --primary:#0d6efd;
  --primary-dark:#0b57d0;
  --primary-soft:#eff6ff;
  --accent:#16a34a;
  --accent-soft:#ecfdf3;
  --text:#0f172a;
  --muted:#475569;
  --bg:#f4f8fc;
  --card:#ffffff;
  --border:#e2e8f0;
  --shadow:0 10px 30px rgba(15,23,42,.06);
  --shadow-soft:0 6px 18px rgba(15,23,42,.05);
  --radius:20px;
  --radius-sm:14px;
  --container:1120px;
  --content-max:980px;
  --text-size:15px;
  --text-size-mobile:14px;
}

*{
  box-sizing:border-box;
  -webkit-tap-highlight-color:transparent;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali","Hind Siliguri",Arial,sans-serif;
  background:linear-gradient(180deg,#f8fbff 0%, #f4f8fc 100%);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
  text-rendering:optimizeLegibility;
}

img{
  max-width:100%;
  display:block;
  height:auto;
}

a{
  color:var(--primary);
  text-decoration:none;
}

button,
input{
  font:inherit;
}

p,
li,
td,
.acc-content,
.mini-item span,
.note,
.small-muted,
.mobile-table-note,
.info-banner{
  text-align:justify;
  text-justify:inter-word;
}

.container{
  width:min(100% - 24px, var(--container));
  margin-inline:auto;
}

.content-wrap{
  max-width:var(--content-max);
  margin-inline:auto;
}

.hero{
  position:relative;
  overflow:hidden;
  padding:20px 0 22px;
  background:
    radial-gradient(circle at top right, rgba(13,110,253,.14), transparent 28%),
    radial-gradient(circle at left top, rgba(22,163,74,.08), transparent 24%),
    linear-gradient(135deg,#ffffff 0%,#f3f8ff 100%);
  border-bottom:1px solid #e8eef6;
}

.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  align-items:start;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#eaf2ff;
  color:var(--primary-dark);
  padding:8px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  margin-bottom:12px;
  max-width:100%;
}

.hero h1{
  margin:0 0 10px;
  font-size:clamp(1.5rem, 5.6vw, 2.95rem);
  line-height:1.18;
  letter-spacing:-.02em;
}

.hero p{
  margin:0;
  color:var(--muted);
  font-size:var(--text-size-mobile);
  max-width:760px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 16px;
  border-radius:14px;
  font-weight:700;
  border:1px solid transparent;
  transition:.2s ease;
  text-align:center;
  font-size:14px;
}

.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 10px 24px rgba(13,110,253,.2);
}

.btn-primary:hover{
  background:#0b5ed7;
}

.btn-light{
  background:#fff;
  color:var(--text);
  border-color:var(--border);
}

.btn-light:hover{
  border-color:#bfd4ff;
  background:#f8fbff;
}

.hero-card{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(226,232,240,.9);
  border-radius:22px;
  box-shadow:var(--shadow);
  padding:16px;
}

.hero-card h3{
  margin:0 0 12px;
  font-size:1rem;
}

.mini-list{
  display:grid;
  gap:12px;
}

.mini-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding-bottom:12px;
  border-bottom:1px dashed var(--border);
}

.mini-item:last-child{
  border-bottom:0;
  padding-bottom:0;
}

.icon{
  width:40px;
  height:40px;
  flex:0 0 40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-weight:800;
  font-size:14px;
}

.mini-item strong{
  display:block;
  margin-bottom:2px;
  font-size:14px;
}

.mini-item span{
  color:var(--muted);
  font-size:13px;
  line-height:1.55;
}

.quick-nav{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid #e8eef6;
}

.nav-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  overflow-y:hidden;
  padding:12px 0;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}

.nav-scroll::-webkit-scrollbar{
  display:none;
}

.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  white-space:nowrap;
  min-height:38px;
  padding:8px 13px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--border);
  color:#0f172a;
  font-size:13px;
  font-weight:600;
  flex:0 0 auto;
}

.chip:hover{
  color:var(--primary);
  border-color:#bfd4ff;
  background:#f8fbff;
}

section{
  padding:22px 0;
}

.section-head{
  margin-bottom:16px;
}

.section-head h2{
  margin:0 0 8px;
  font-size:clamp(1.22rem, 4.4vw, 2rem);
  line-height:1.25;
}

.section-head p{
  margin:0;
  color:var(--muted);
  font-size:var(--text-size-mobile);
  max-width:840px;
}

.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  padding:6px 10px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-size:11px;
  font-weight:700;
}

.grid-2,
.grid-3,
.grid-4,
.highlight-box,
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:20px;
  box-shadow:var(--shadow-soft);
  padding:16px;
  min-width:0;
}

.card h3,
.card h4{
  margin:0 0 10px;
  line-height:1.35;
  font-size:1rem;
}

.card p{
  margin:0;
  color:var(--muted);
  font-size:var(--text-size-mobile);
}

.stat-card{
  background:linear-gradient(180deg,#ffffff 0%,#f8fbff 100%);
}

.stat{
  font-size:1.55rem;
  font-weight:800;
  line-height:1.1;
  color:var(--primary-dark);
  margin-bottom:6px;
  word-break:break-word;
}

.stat-label{
  font-weight:700;
  margin-bottom:6px;
  font-size:14px;
}

.note{
  font-size:12.5px;
  color:var(--muted);
}

.table-wrap{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:20px;
  background:#fff;
  box-shadow:var(--shadow-soft);
  -webkit-overflow-scrolling:touch;
}

table{
  width:100%;
  border-collapse:collapse;
  min-width:680px;
}

th,
td{
  padding:13px 14px;
  border-bottom:1px solid var(--border);
  text-align:left;
  vertical-align:top;
  font-size:13.5px;
}

th{
  background:#f8fbff;
  color:#0f172a;
  font-weight:700;
}

td{
  color:var(--muted);
}

td strong{
  color:var(--text);
}

tr:last-child td{
  border-bottom:0;
}

.mobile-table-note{
  margin-top:8px;
  color:var(--muted);
  font-size:12px;
}

.check-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}

.check-list li{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:12px 14px 12px 40px;
  color:var(--text);
  box-shadow:0 6px 16px rgba(15,23,42,.03);
  font-size:13.8px;
  line-height:1.6;
}

.check-list li::before{
  content:"✓";
  position:absolute;
  left:14px;
  top:12px;
  width:18px;
  height:18px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:11px;
  font-weight:800;
}

.info-banner{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:linear-gradient(180deg,#fff8e6 0%,#fffdf6 100%);
  color:#7c5000;
  border:1px solid #fde68a;
  border-radius:18px;
  padding:14px;
  font-size:13.5px;
  line-height:1.6;
}

.info-banner b{
  display:block;
  margin-bottom:4px;
  color:#7a4b00;
}

.accordion,
.faq-list{
  display:grid;
  gap:10px;
}

.acc-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 6px 18px rgba(15,23,42,.04);
}

.acc-btn{
  width:100%;
  border:0;
  background:#fff;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  text-align:left;
  cursor:pointer;
  padding:15px;
  font-weight:700;
  font-size:14px;
  line-height:1.45;
}

.acc-btn .plus{
  width:28px;
  height:28px;
  flex:0 0 28px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary-dark);
  display:grid;
  place-items:center;
  font-size:18px;
  line-height:1;
  transition:.2s ease;
}

.acc-content{
  display:none;
  padding:0 15px 15px;
  color:var(--muted);
  font-size:13.8px;
  line-height:1.65;
}

.acc-item.active .acc-content{
  display:block;
}

.acc-item.active .plus{
  transform:rotate(45deg);
}

.search-box{
  margin-bottom:14px;
}

.search-box input{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--border);
  border-radius:14px;
  outline:none;
  background:#fff;
  font-size:14px;
}

.search-box input:focus{
  border-color:#93c5fd;
  box-shadow:0 0 0 4px rgba(59,130,246,.12);
}

.small-muted{
  color:var(--muted);
  text-align:justify;
}

@media (min-width: 576px){
  .container{
    width:min(100% - 32px, var(--container));
  }

  .hero{
    padding:26px 0 28px;
  }

  .hero-card,
  .card{
    padding:18px;
  }

  .grid-2{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }

  .hero p,
  .section-head p,
  .card p{
    font-size:14.2px;
  }
}

@media (min-width: 768px){
  :root{
    --text-size:14.8px;
  }

  .container{
    width:min(100% - 40px, var(--container));
  }

  .hero{
    padding:34px 0 34px;
  }

  .hero-grid{
    grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);
    gap:18px;
    align-items:stretch;
  }

  .grid-3{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }

  .grid-4{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }

  .highlight-box{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }

  .split{
    grid-template-columns:minmax(0,1.08fr) minmax(260px,.92fr);
  }

  .hero p,
  .section-head p,
  .card p,
  .acc-content{
    font-size:14.4px;
  }

  .card,
  .hero-card{
    padding:20px;
  }

  th,
  td{
    padding:14px 16px;
    font-size:13.8px;
  }

  .check-list li{
    font-size:14px;
  }
}

@media (min-width: 992px){
  .container{
    width:min(100% - 48px, var(--container));
  }

  .hero{
    padding:40px 0 36px;
  }

  .hero-grid{
    grid-template-columns:minmax(0,1.18fr) minmax(320px,.82fr);
    gap:22px;
  }

  .grid-3{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }

  .grid-4{
    grid-template-columns:repeat(4, minmax(0,1fr));
  }

  .card,
  .hero-card{
    padding:22px;
  }

  .hero h1{
    font-size:clamp(2rem, 3.4vw, 2.95rem);
  }

  .hero p,
  .section-head p,
  .card p,
  .acc-content{
    font-size:14.6px;
  }

  .section-head h2{
    font-size:clamp(1.5rem, 2.2vw, 2rem);
  }
}

@media (min-width: 1200px){
  .hero-grid{
    gap:26px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .highlight-box,
  .split{
    gap:18px;
  }

  .content-wrap{
    max-width:1000px;
  }
}