:root {
  --black: #073f39;
  --panel: #055e55;
  --red: #ff4c46;
  --deep-red: #d8314f;
  --gold: #ffcf32;
  --gold-soft: #d6ff3f;
  --blue: #0976d8;
  --teal: #00695f;
  --ink: #153532;
  --body: #263c3a;
  --muted: #627470;
  --line: #cfd9cd;
  --bg: #d9dfd3;
  --white: #fff;
  --radius: 8px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--body);
  background: #fff;
  font-family: "Noto Sans Bengali", "Nirmala UI", "Hind Siliguri", Arial, sans-serif;
  letter-spacing: 0;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
h1, h2, h3, p { margin-top: 0; }
.shell { width: min(1040px, calc(100% - 44px)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 20; padding: 10px 14px; background: #fff; color: #111; }
.skip-link:focus { left: 8px; }
.topbar { background: #ffffff; border-bottom: 1px solid rgba(0,0,0,.08); }
.topbar-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--panel); font-weight: 1000; }
.brand-mark { display: inline-grid; place-items: center; width: 112px; height: 44px; border-radius: var(--radius); color: #fff; background: linear-gradient(135deg, #0a7b71, #064d47 56%, #a7e929 57%); border: 1px solid rgba(0,0,0,.08); box-shadow: 0 7px 18px rgba(0,105,95,.16); font-size: 1.55rem; line-height: 1; }
.brand small { color: #30524e; font-weight: 900; line-height: 1.2; }
.top-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.button, .top-actions a, .read-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  font-weight: 1000;
  line-height: 1.2;
  text-align: center;
}
.button.primary, .top-actions .primary, .read-button { color: #fff; background: linear-gradient(180deg, #2e9fff, var(--blue)); box-shadow: 0 10px 20px rgba(9,118,216,.2); }
.button.gold, .top-actions .gold { color: #17340f; background: linear-gradient(180deg, var(--gold-soft), var(--gold)); box-shadow: 0 10px 20px rgba(214,255,63,.18); }
.top-actions .primary { background: linear-gradient(135deg, #ff4c46, #ff7b28 52%, #aaff24); }
.top-actions .gold { background: linear-gradient(135deg, #7b2cff, #ff486d 52%, #aaff24); color: #fff; }
.nav-band { background: linear-gradient(180deg, #006e64, #005249); border-bottom: 3px solid var(--gold-soft); }
.main-nav { min-height: 58px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; }
.main-nav a { min-height: 48px; display: inline-flex; align-items: center; padding: 12px 14px; color: #f3fff0; font-weight: 1000; line-height: 1.2; border-bottom: 3px solid transparent; }
.main-nav a:hover, .main-nav a.active { border-bottom-color: var(--gold-soft); color: #d6ff3f; }
.hero { background: #0f8fe6; }
.hero img { width: 100%; max-height: 365px; object-fit: cover; object-position: center; }
.intro { padding: 30px 0 10px; background: var(--bg); }
.intro h1 { color: var(--ink); font-size: clamp(2rem, 3vw, 2.65rem); line-height: 1.18; font-weight: 1000; }
.intro h1 span { color: #38b000; }
.lead { color: var(--body); font-size: 1.08rem; line-height: 1.85; font-weight: 650; }
.intro-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 22px 0 8px; }
.quick-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; padding: 20px 0 34px; }
.quick-card { min-height: 86px; padding: 14px; border: 1px solid #c1d8b7; border-radius: var(--radius); background: linear-gradient(180deg, #ffffff, #eef7e8); color: #173d39; box-shadow: 0 9px 18px rgba(0,83,75,.08); }
.quick-card span { display: block; color: #36b000; font-weight: 1000; }
.quick-card strong { display: block; margin-top: 8px; font-size: .96rem; line-height: 1.35; }
.section { padding: 46px 0; background: #fff; }
.section.alt { background: #eef2eb; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 22px; margin-bottom: 24px; }
.section-head h2 { margin-bottom: 0; color: var(--ink); font-size: clamp(1.65rem, 2.5vw, 2.18rem); line-height: 1.22; font-weight: 1000; }
.section-head p { max-width: 560px; margin-bottom: 0; color: var(--muted); line-height: 1.7; font-weight: 650; }
.story-grid, .content-grid, .article-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr); gap: 26px; align-items: start; }
.story-panel, .guide-panel, .side-panel, .faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 12px 26px rgba(22,28,35,.06); }
.story-panel { padding: 24px; }
.story-panel h2, .guide-panel h2, .side-panel h2, .article-body h2 { color: var(--ink); font-weight: 1000; line-height: 1.25; }
.story-panel p, .guide-panel p, .side-panel p, .article-body p { line-height: 1.86; font-weight: 600; }
.feature-stack { display: grid; gap: 12px; }
.feature-item { padding: 18px; border-radius: var(--radius); background: linear-gradient(135deg, #006d63, #003d39); border: 1px solid rgba(214,255,63,.24); color: #f6f0df; }
.feature-item span { color: var(--gold-soft); font-size: .9rem; font-weight: 1000; }
.feature-item h3 { margin: 8px 0 6px; color: #fff; font-size: 1.1rem; }
.feature-item p { margin-bottom: 0; color: #e5d9be; line-height: 1.7; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.topic-card, .article-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; box-shadow: 0 14px 28px rgba(20,26,33,.08); transition: transform .18s ease, box-shadow .18s ease; }
.topic-card:hover, .article-card:hover, .quick-card:hover { transform: translateY(-2px); box-shadow: 0 18px 32px rgba(20,26,33,.12); }
.topic-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.topic-card div, .article-card { padding: 18px; }
.eyebrow { color: #35ad00; font-size: .9rem; font-weight: 1000; }
.topic-card h3, .article-card h3 { margin: 8px 0 10px; color: var(--ink); font-size: 1.2rem; line-height: 1.35; font-weight: 1000; }
.topic-card p, .article-card p { color: var(--body); line-height: 1.72; font-weight: 600; }
.read-more { color: var(--blue); font-weight: 1000; }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.notice-band { background: linear-gradient(135deg, #005249, #00766a 48%, #004841); color: #fff; border-top: 3px solid var(--gold-soft); border-bottom: 3px solid var(--gold-soft); }
.notice-band .section-head h2 { color: #fff; }
.notice-band .section-head p { color: #f6dfac; }
.safety-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.safety-list li { padding: 14px 16px; border-radius: var(--radius); border: 1px solid rgba(247,206,97,.28); background: rgba(255,255,255,.08); color: #fff7dc; line-height: 1.6; font-weight: 800; }
.sub-hero, .article-head { padding: 38px 0; background: linear-gradient(180deg, #ffffff, #e9f3e2); border-bottom: 1px solid var(--line); }
.sub-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(310px, .95fr); gap: 24px; align-items: center; }
.sub-grid h1, .article-head h1 { color: var(--ink); font-size: clamp(2rem, 3vw, 2.7rem); line-height: 1.18; font-weight: 1000; }
.sub-media { border-radius: var(--radius); overflow: hidden; border: 1px solid #c7dfbc; box-shadow: 0 16px 36px rgba(0,89,80,.14); }
.sub-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.guide-panel, .side-panel { padding: 24px; }
.guide-panel ul, .side-panel ul, .article-body ul { padding-left: 22px; line-height: 1.85; font-weight: 650; }
.side-panel { position: sticky; top: 18px; }
.side-panel a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
.article-head { background: #fff; }
.article-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.article-meta span { padding: 9px 12px; border-radius: 999px; background: #effbd9; color: #1f6b21; font-weight: 1000; }
.article-body { min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 14px 28px rgba(20,26,33,.07); }
.article-image { width: 100%; margin-bottom: 22px; border-radius: var(--radius); aspect-ratio: 16 / 9; object-fit: cover; }
.article-body h2 { margin-top: 28px; font-size: 1.55rem; }
.check-table { width: 100%; border-collapse: collapse; margin: 22px 0; overflow-wrap: anywhere; }
.check-table th, .check-table td { padding: 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; line-height: 1.6; }
.check-table th { background: #effbd9; color: var(--ink); }
.notice { margin: 24px 0; padding: 16px; border-left: 4px solid var(--red); background: #f2ffe0; color: #244319; line-height: 1.75; font-weight: 750; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 18px; }
.faq-item h3 { margin-bottom: 8px; color: var(--ink); font-weight: 1000; }
.footer { padding: 44px 0 20px; background: #005249; color: #dff3ec; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .8fr .8fr 1fr; gap: 26px; }
.footer h2, .footer h3 { color: #fff; margin-bottom: 12px; }
.footer p { line-height: 1.75; }
.footer a { display: block; padding: 5px 0; color: #d6ff3f; font-weight: 800; }
.copyright { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.14); text-align: center; color: #cdd4dd; }
.pager { margin-top: 24px; color: var(--blue); font-weight: 900; }
@media (max-width: 860px) {
  .shell { width: min(100% - 28px, 1040px); }
  .topbar-inner { align-items: flex-start; flex-direction: column; padding: 12px 0; }
  .top-actions { width: 100%; justify-content: flex-start; }
  .hero img { max-height: 310px; }
  .quick-grid, .card-grid, .article-grid, .footer-grid, .safety-list { grid-template-columns: 1fr; }
  .story-grid, .content-grid, .article-layout, .sub-grid { grid-template-columns: 1fr; }
  .section-head { align-items: start; flex-direction: column; }
  .side-panel { position: static; }
}
@media (max-width: 520px) {
  .brand-mark { width: 88px; height: 38px; font-size: 1.3rem; }
  .brand small { display: none; }
  .top-actions a, .button, .read-button { width: 100%; min-height: 44px; }
  .main-nav { justify-content: flex-start; }
  .main-nav a { width: 50%; justify-content: center; padding: 11px 8px; font-size: .94rem; }
  .intro h1, .sub-grid h1, .article-head h1 { font-size: 1.82rem; }
  .lead { font-size: 1rem; }
  .section { padding: 34px 0; }
  .article-body, .guide-panel, .side-panel, .story-panel { padding: 18px; }
}