:root {
  --ink: #fff7ff;
  --muted: #d8c7e8;
  --deep: #07000e;
  --panel: #150022;
  --panel-soft: #210737;
  --line: rgba(244, 199, 75, .24);
  --violet: #8717cc;
  --purple: #430c66;
  --gold: #f4c74b;
  --gold-2: #f2a93b;
  --danger: #e3203b;
}
* { box-sizing: border-box; }
html { min-width: 320px; background: var(--deep); }
body {
  margin: 0;
  font-family: "Noto Sans Bengali", "Hind Siliguri", Inter, system-ui, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #090015 0%, #11001f 40%, #07000e 100%);
  line-height: 1.72;
  letter-spacing: 0;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, #120022 0%, #32005a 52%, #6100a4 100%);
  border-bottom: 1px solid rgba(244, 199, 75, .28);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .32);
}
.topbar {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand img { width: 178px; }
.header-actions, .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 22px;
  border-radius: 7px;
  font-weight: 800;
  line-height: 1.2;
  border: 1px solid transparent;
}
.btn-gold {
  color: #1b0c00;
  background: linear-gradient(180deg, #ffe77a, var(--gold) 54%, #e79b22);
  box-shadow: 0 10px 22px rgba(242, 169, 59, .22);
}
.btn-ghost {
  color: #fff;
  background: linear-gradient(180deg, rgba(135, 23, 204, .8), rgba(67, 12, 102, .72));
  border-color: rgba(244, 199, 75, .26);
}
.btn-card {
  min-height: 36px;
  padding: 9px 16px;
  color: #1b0c00;
  background: var(--gold);
}
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding: 0 0 10px;
}
.nav a {
  flex: 0 0 auto;
  padding: 10px 18px;
  border-radius: 7px;
  color: #f9e9ff;
  font-weight: 800;
  white-space: nowrap;
}
.nav a.active, .nav a:hover {
  color: #1d0b00;
  background: var(--gold);
}
.hero {
  background:
    linear-gradient(90deg, rgba(9, 0, 18, .92), rgba(67, 12, 102, .64)),
    radial-gradient(circle at 70% 18%, rgba(244, 199, 75, .18), transparent 34%);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: 34px;
  align-items: center;
  padding: 54px 0 44px;
}
.hero-copy h1, .subhero h1 {
  margin: 0 0 18px;
  color: #fff;
  font-size: clamp(2.3rem, 6vw, 4.9rem);
  line-height: 1.02;
}
.hero-copy p { max-width: 660px; font-size: 1.1rem; color: var(--muted); }
.hero-art {
  border-radius: 8px;
  border: 1px solid rgba(244, 199, 75, .34);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .42);
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-weight: 900;
  text-transform: uppercase;
}
.hero-badges, .notice-row, .footer-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-badges { margin-top: 22px; }
.hero-badges span, .notice-row span, .footer-strip span {
  border: 1px solid var(--line);
  background: rgba(21, 0, 34, .72);
  color: #fff4cc;
  border-radius: 7px;
  padding: 8px 12px;
  font-weight: 700;
}
.intro {
  padding: 46px 0 18px;
  text-align: center;
}
h2, h3 {
  color: var(--gold);
  line-height: 1.24;
}
h2 { font-size: clamp(1.65rem, 3vw, 2.45rem); }
.intro p { max-width: 900px; margin: 0 auto; color: var(--muted); }
.rank-panel, .content-panel, .split-panel, .article-body, .article-links, .faq-grid {
  margin-top: 34px;
  margin-bottom: 34px;
}
.rank-panel, .content-panel, .article-body, .security-box {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(33, 7, 55, .92), rgba(12, 0, 23, .95));
  border-radius: 8px;
  padding: 28px;
}
.table-wrap { width: 100%; overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}
th, td {
  padding: 14px 16px;
  border: 1px solid rgba(244, 199, 75, .18);
  text-align: left;
}
th { background: rgba(135, 23, 204, .38); color: #fff; }
td { color: var(--muted); }
.small-link { color: var(--gold); font-weight: 800; }
.section-title { text-align: center; margin-top: 54px; }
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.category-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #180028;
}
.category-card img {
  width: 100%;
  aspect-ratio: 13 / 9;
  object-fit: cover;
}
.category-card div { padding: 18px; }
.category-card h3 { margin: 0 0 8px; }
.category-card p { min-height: 116px; color: var(--muted); }
.feature-band {
  margin-top: 54px;
  padding: 42px 0;
  background: linear-gradient(90deg, rgba(67, 12, 102, .55), rgba(10, 0, 22, .92));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.feature-grid, .subhero-grid, .split-panel, .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
  gap: 24px;
  align-items: center;
}
.feature-grid img, .subhero-grid img, .security-box img {
  border-radius: 8px;
  border: 1px solid var(--line);
}
.checklist, .split-panel > div {
  border: 1px solid var(--line);
  background: rgba(18, 0, 32, .84);
  border-radius: 8px;
  padding: 26px;
}
.rich-list, .checklist ul { padding-left: 22px; color: var(--muted); }
.rich-list li, .checklist li { margin-bottom: 10px; }
.article-links h2 { text-align: center; }
.link-grid, .related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.link-grid a, .related-links a {
  border: 1px solid var(--line);
  background: rgba(33, 7, 55, .86);
  border-radius: 7px;
  padding: 14px 16px;
  color: #fff4cc;
  font-weight: 800;
}
details {
  border: 1px solid rgba(244, 199, 75, .18);
  background: rgba(15, 0, 28, .78);
  border-radius: 7px;
  padding: 14px 16px;
  margin-bottom: 10px;
}
summary { cursor: pointer; color: #fff; font-weight: 800; }
.security-box { height: 100%; }
.security-box p, .content-panel p, .article-body p, .split-panel p { color: var(--muted); }
.subhero {
  background: linear-gradient(120deg, rgba(18, 0, 32, .96), rgba(74, 8, 114, .78));
  border-bottom: 1px solid var(--line);
}
.subhero-grid { padding: 46px 0; }
.subhero h1 { font-size: clamp(2rem, 4.8vw, 3.8rem); }
.subhero p { max-width: 760px; color: var(--muted); font-size: 1.08rem; }
.content-panel h2:first-child, .article-body h2:first-of-type { margin-top: 0; }
.notice-row { margin: 22px 0; }
.split-panel { align-items: stretch; }
.article-body { max-width: 980px; }
.lead {
  color: #fff;
  font-size: 1.18rem;
  border-left: 4px solid var(--gold);
  padding-left: 18px;
}
.faq-stack { margin-top: 16px; }
.responsible-note {
  margin-top: 24px;
  border: 1px solid rgba(227, 32, 59, .44);
  background: rgba(227, 32, 59, .11);
  border-radius: 8px;
  padding: 18px 20px;
}
.site-footer {
  margin-top: 54px;
  background: linear-gradient(180deg, #190026, #07000e);
  border-top: 1px solid var(--line);
}
.footer-strip {
  justify-content: center;
  padding: 18px 16px;
  border-bottom: 1px solid rgba(244, 199, 75, .15);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr 1fr;
  gap: 24px;
  padding: 34px 0;
}
.footer-grid p, .footer-grid a { color: var(--muted); }
.footer-grid a { display: block; margin-bottom: 8px; }
.footer-logo { width: 150px; margin-bottom: 12px; }
.copyright {
  margin: 0;
  padding: 18px;
  text-align: center;
  color: #b99bd7;
  border-top: 1px solid rgba(244, 199, 75, .12);
}
@media (max-width: 860px) {
  .wrap { width: min(100% - 22px, 720px); }
  .topbar { min-height: 76px; }
  .brand img { width: 138px; }
  .header-actions .btn { min-height: 36px; padding: 8px 12px; }
  .nav { padding-bottom: 8px; }
  .nav a { padding: 8px 12px; font-size: .93rem; }
  .hero-grid, .feature-grid, .subhero-grid, .split-panel, .faq-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid { padding: 34px 0 30px; }
  .hero-copy h1 { font-size: clamp(2.05rem, 11vw, 3.6rem); }
  .hero-art { object-fit: contain; }
  .category-grid, .link-grid, .related-links, .footer-grid {
    grid-template-columns: 1fr;
  }
  .category-card p { min-height: 0; }
  .rank-panel, .content-panel, .article-body, .security-box, .checklist, .split-panel > div {
    padding: 18px;
  }
  table { min-width: 640px; }
}
@media (max-width: 480px) {
  .topbar { align-items: flex-start; flex-direction: column; padding-top: 12px; padding-bottom: 12px; }
  .header-actions { width: 100%; }
  .header-actions .btn { flex: 1 1 120px; }
  .hero-actions .btn { width: 100%; }
  h2 { font-size: 1.55rem; }
  .hero-badges span, .notice-row span { width: 100%; text-align: center; }
}