:root {
  color-scheme: dark light;
  --ink: #08070a;
  --ink-2: #130c10;
  --gold: #f6c54a;
  --gold-2: #ffdc78;
  --red: #db2438;
  --green: #17b978;
  --paper: #f7f8fb;
  --paper-2: #ffffff;
  --text: #171719;
  --muted: #64646f;
  --line: rgba(246, 197, 74, .24);
  --shadow: 0 18px 44px rgba(6, 6, 10, .18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Bengali", "Noto Sans", Arial, sans-serif;
  background: var(--paper);
  color: var(--text);
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 12px clamp(18px, 4vw, 44px);
  background: rgba(8, 7, 10, .96);
  border-bottom: 1px solid rgba(246, 197, 74, .2);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .35);
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; min-width: 210px; }
.brand-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #111;
  font-weight: 950;
  background: linear-gradient(145deg, var(--gold-2), #e19a1e);
  box-shadow: 0 0 24px rgba(246, 197, 74, .45);
}
.brand strong { display: block; font-size: 26px; line-height: 1; color: var(--gold-2); }
.brand em { display: block; margin-top: 4px; color: #d8d6d8; font-style: normal; font-size: 12px; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: 22px; flex: 1; justify-content: center; }
.main-nav a {
  color: #f2e9cf;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--gold-2); border-color: var(--red); }
.header-actions, .hero-actions { display: flex; gap: 12px; align-items: center; }
.gold-btn, .ghost-btn, .outline-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 14px;
  white-space: nowrap;
}
.gold-btn { background: linear-gradient(145deg, var(--gold-2), #d99019); color: #100b04; box-shadow: 0 0 26px rgba(246, 197, 74, .34); }
.ghost-btn { color: #fff1c1; border: 1px solid rgba(246, 197, 74, .4); }
.outline-btn { color: #fff1c1; border: 1px solid rgba(255, 255, 255, .24); }
.hero {
  min-height: 634px;
  display: grid;
  grid-template-columns: minmax(0, 650px) minmax(260px, 1fr);
  align-items: end;
  gap: 44px;
  padding: 82px clamp(18px, 4vw, 44px) 40px;
  color: #fff;
  background: #070509 url('/assets/l444/l444-hero.jpg') center / cover no-repeat;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 5, 8, .94) 0%, rgba(6, 5, 8, .82) 42%, rgba(6, 5, 8, .28) 100%);
}
.hero > * { position: relative; }
.hero h1 {
  margin: 0 0 22px;
  max-width: 720px;
  color: #fff;
  font-size: clamp(42px, 7vw, 86px);
  line-height: .98;
  font-weight: 950;
  text-transform: uppercase;
}
.hero h1::first-line { color: #fff; }
.hero p { max-width: 620px; color: #f1e9dd; font-size: 20px; line-height: 1.75; font-weight: 650; }
.stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 32px; }
.stat-row span {
  min-height: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 10, 13, .64);
}
.stat-row strong { display: block; color: var(--gold-2); font-size: 28px; line-height: 1; margin-bottom: 8px; }
.hero-panel {
  align-self: end;
  max-width: 380px;
  margin-left: auto;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(10, 8, 10, .72);
  box-shadow: var(--shadow);
}
.hero-panel h2 { margin: 0 0 12px; color: var(--gold-2); font-size: 26px; line-height: 1.05; }
.hero-panel p { margin: 0; font-size: 15px; line-height: 1.8; }
.section { padding: 70px clamp(18px, 4vw, 44px); }
.section.light { background: var(--paper); }
.section-head { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.section-kicker { display: block; margin-bottom: 10px; color: var(--red); font-size: 13px; font-weight: 900; text-transform: uppercase; }
.section h2, .page-hero h1, .article-hero h1 { margin: 0 0 16px; font-size: clamp(30px, 4vw, 52px); line-height: 1.08; color: var(--text); }
.section-head p, .page-hero p, .rich-copy p { color: var(--muted); line-height: 1.8; font-size: 17px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}
.feature-card {
  overflow: hidden;
  border-radius: 8px;
  background: var(--paper-2);
  border: 1px solid rgba(16, 15, 20, .08);
  box-shadow: 0 14px 30px rgba(8, 7, 10, .09);
}
.feature-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card-body { padding: 18px; }
.card-body span, .tag {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}
.card-body h3 { margin: 10px 0; font-size: 22px; line-height: 1.18; }
.card-body p { margin: 0; color: var(--muted); line-height: 1.65; }
.dark-band { background: var(--ink); color: #fff; }
.dark-band h2 { color: #fff; }
.split { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.split p { color: #e6dfd5; line-height: 1.85; font-size: 18px; }
.keyword-board { display: flex; flex-wrap: wrap; gap: 12px; }
.keyword-board b {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid rgba(246, 197, 74, .28);
  background: rgba(255, 255, 255, .04);
  color: var(--gold-2);
}
.article-list { max-width: 1040px; margin: 0 auto; display: grid; gap: 16px; }
.article-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: center;
  background: #fff;
  border-radius: 8px;
  padding: 14px;
  box-shadow: 0 12px 26px rgba(6, 6, 10, .08);
}
.article-row img { width: 180px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; }
.article-row h3 { margin: 8px 0; font-size: 25px; line-height: 1.2; }
.article-row p { margin: 0; color: var(--muted); line-height: 1.7; }
.faq-section { background: #fff; }
.faq-grid { max-width: 980px; margin: 0 auto; display: grid; gap: 12px; }
details { border: 1px solid rgba(8, 7, 10, .1); border-radius: 8px; padding: 18px; background: #fff; }
summary { cursor: pointer; font-weight: 900; font-size: 18px; }
details p { margin: 12px 0 0; color: var(--muted); line-height: 1.75; }
.page-shell { background: var(--paper); }
.page-hero, .article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
  gap: 34px;
  align-items: center;
  padding: 70px clamp(18px, 4vw, 44px);
  background: #fff;
}
.page-hero img, .article-hero img { width: 100%; border-radius: 8px; box-shadow: var(--shadow); aspect-ratio: 4 / 3; object-fit: cover; }
.article-hero { display: block; max-width: 1040px; margin: 0 auto; background: var(--paper); }
.article-hero img { margin-top: 28px; aspect-ratio: 16 / 7; }
.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 38px clamp(18px, 4vw, 44px) 70px;
}
.rich-copy, .sidebar {
  background: #fff;
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 12px 26px rgba(6, 6, 10, .08);
}
.rich-copy h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.12; }
.rich-copy ul { margin: 18px 0 0; padding-left: 22px; color: var(--muted); line-height: 1.9; }
.mini-list { display: grid; gap: 12px; margin-top: 18px; }
.mini-list a, .sidebar a {
  display: block;
  padding: 14px;
  border-radius: 8px;
  background: #f2f4f8;
  margin-bottom: 10px;
}
.mini-list span { display: block; color: var(--muted); margin-top: 6px; line-height: 1.55; }
.sidebar h2 { margin: 0 0 14px; font-size: 24px; }
.site-footer {
  padding: 36px clamp(18px, 4vw, 44px);
  background: #252b31;
  color: #fff;
  text-align: center;
}
.site-footer p { color: #d8dde2; margin: 10px auto; max-width: 720px; line-height: 1.7; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 22px 0; }
.footer-links a { color: var(--gold-2); font-weight: 800; }
.copyright { font-size: 13px; }
@media (max-width: 1050px) {
  .site-header { flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; justify-content: flex-start; padding-bottom: 4px; }
  .hero, .page-hero { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content-layout { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .site-header { gap: 14px; }
  .brand { min-width: 0; }
  .brand em { display: none; }
  .header-actions { width: 100%; }
  .header-actions a { flex: 1; }
  .main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    overflow: visible;
    padding-bottom: 0;
  }
  .main-nav a {
    padding: 7px 10px;
    border: 1px solid rgba(246, 197, 74, .18);
    border-radius: 8px;
    background: rgba(255, 255, 255, .04);
    font-size: 12px;
  }
  .hero { min-height: auto; padding-top: 54px; }
  .hero::before { background: rgba(6, 5, 8, .78); }
  .hero p { font-size: 17px; }
  .hero-actions, .stat-row, .split, .article-row { grid-template-columns: 1fr; display: grid; }
  .hero-panel { margin-left: 0; max-width: none; }
  .card-grid { grid-template-columns: 1fr; }
  .article-row img { width: 100%; }
  .article-hero img { aspect-ratio: 4 / 3; }
  .section { padding: 46px 18px; }
}