:root {
  --sv-green: #247a13;
  --sv-green-2: #0b8a18;
  --sv-lime: #7df322;
  --sv-dark: #030503;
  --sv-panel: #050505;
  --sv-red: #f3141b;
  --sv-red-2: #cf1017;
  --sv-white: #fff;
  --sv-soft: #f4f6f1;
  --sv-text: #1f2d1c;
  --sv-muted: #5f6c5c;
  --sv-line: #dce5d8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--sv-text);
  background: #fff;
  font-family: "Noto Sans Bengali", "Hind Siliguri", "SolaimanLipi", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.top {
  background: linear-gradient(180deg, #2b8717, #1f6911);
  color: #fff;
}
.top-inner {
  width: min(1180px, calc(100% - 36px));
  min-height: 86px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  color: #fff;
  font-size: clamp(34px, 5vw, 64px);
  line-height: .95;
  font-weight: 950;
  letter-spacing: 0;
  font-style: italic;
}
.logo span { color: var(--sv-lime); }
.top-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 2px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 14px;
  font-weight: 950;
  transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); background: rgba(255,255,255,.16); }
.btn.red { background: var(--sv-red); border-color: var(--sv-red); }
.nav-wrap {
  background: #225f12;
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.nav {
  width: min(1180px, calc(100% - 36px));
  min-height: 48px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.nav a {
  position: relative;
  color: #fff;
  padding: 14px 0 13px;
  font-size: 15px;
  font-weight: 900;
}
.nav a.active::after,
.nav a:hover::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--sv-red);
  content: "";
}
.hero img {
  width: 100%;
  min-height: 270px;
  max-height: 505px;
  object-fit: cover;
}
.feature-strip {
  background: #081006;
  border-top: 1px solid #143b11;
  border-bottom: 1px solid #143b11;
}
.feature-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
}
.feature {
  padding: 18px 14px;
  color: #d7e7d2;
  border-right: 1px solid rgba(125, 243, 34, .2);
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
}
.feature:last-child { border-right: 0; }
.feature b {
  color: var(--sv-lime);
  font-size: 28px;
  line-height: 1;
}
.feature strong {
  display: block;
  color: #fff;
  font-size: 15px;
}
.feature span {
  color: #a8bba2;
  font-size: 12px;
  line-height: 1.5;
}
.dark-section {
  background: var(--sv-dark);
  padding: 36px 0;
}
.dark-panel {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px;
  border: 4px solid var(--sv-red);
  border-radius: 8px;
  background: #000;
  color: #c8d5c4;
}
.dark-panel h1,
.dark-panel h2 {
  color: var(--sv-red);
  text-align: center;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  margin: 0 0 18px;
  font-weight: 950;
}
.dark-panel h2 {
  text-align: left;
  margin-top: 30px;
  font-size: clamp(24px, 3vw, 34px);
}
.dark-panel p,
.dark-panel li {
  color: #b6c2b3;
  font-size: 17px;
  line-height: 1.85;
}
.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px 28px;
  margin: 22px 0;
}
.check-grid span {
  color: #dff5dc;
  font-weight: 850;
}
.check-grid span::before {
  content: "✓";
  color: var(--sv-lime);
  margin-right: 9px;
  font-weight: 950;
}
.category-icons {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}
.icon-card {
  min-height: 132px;
  border: 2px solid var(--sv-red);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #fff;
  background: linear-gradient(180deg, #071306, #000);
}
.icon-card b {
  color: var(--sv-lime);
  font-size: 40px;
  line-height: 1;
}
.icon-card span {
  font-weight: 950;
  text-align: center;
}
.table-wrap { overflow-x: auto; margin-top: 16px; }
table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}
th,
td {
  padding: 14px;
  border: 1px solid #5b5b5b;
  text-align: left;
  vertical-align: top;
  color: #d5ded2;
  line-height: 1.6;
}
th {
  color: #fff;
  background: linear-gradient(180deg, #f3141b, #b80c12);
}
.notice {
  margin-top: 26px;
  padding: 18px 20px;
  border: 2px solid var(--sv-red);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #e6f1e4;
  background: #080808;
  font-weight: 850;
}
.notice .age {
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  display: inline-grid;
  place-items: center;
  border: 3px solid var(--sv-red);
  border-radius: 50%;
  color: #ff3138;
  font-size: 22px;
  font-weight: 950;
}
.white-section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0;
}
.section-title {
  margin: 0 0 18px;
  color: #20351a;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.25;
  font-weight: 950;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.guide-card {
  border: 1px solid var(--sv-line);
  background: #fff;
  box-shadow: 0 8px 24px rgba(15, 63, 12, .08);
}
.guide-card img {
  width: 100%;
  aspect-ratio: 1.35 / 1;
  object-fit: cover;
}
.guide-body {
  padding: 16px;
}
.guide-body h3 {
  margin: 0 0 9px;
  color: #172915;
  font-size: 20px;
  line-height: 1.35;
}
.guide-body p {
  color: var(--sv-muted);
  font-size: 15px;
  line-height: 1.75;
}
.read-link {
  display: inline-flex;
  margin-top: 10px;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  background: var(--sv-green-2);
  color: #fff;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 900;
}
.link-cloud {
  border-top: 1px solid var(--sv-line);
  border-bottom: 1px solid var(--sv-line);
  padding: 26px 0;
  color: #344431;
  font-size: 15px;
  line-height: 2;
  font-weight: 800;
}
.provider-strip {
  display: grid;
  grid-template-columns: repeat(16, minmax(38px, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.provider-strip span {
  min-height: 42px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: #eef5eb;
  color: var(--sv-green-2);
  font-weight: 950;
  border: 1px solid #d9e7d4;
}
.subhero {
  background: #071006;
  color: #fff;
  padding: 34px 0;
  border-top: 1px solid #1b4f13;
}
.subhero-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 26px;
  align-items: center;
}
.subhero h1 {
  margin: 0 0 12px;
  color: #fff;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.1;
  font-weight: 950;
}
.subhero p,
.breadcrumb {
  color: #c6d7c1;
  font-size: 16px;
  line-height: 1.75;
}
.subhero img {
  width: 100%;
  aspect-ratio: 1.45 / 1;
  object-fit: cover;
  border: 2px solid var(--sv-red);
  border-radius: 5px;
}
.content {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 54px;
}
.category-text {
  border: 1px solid var(--sv-line);
  background: #fff;
  padding: 22px;
}
.category-text h2,
.article h2,
.side-card h2 {
  color: #20351a;
  font-size: 28px;
  margin: 0 0 14px;
  line-height: 1.25;
}
.category-text p,
.category-text li,
.article p,
.article li {
  color: #53614f;
  font-size: 17px;
  line-height: 1.85;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.mini-card {
  border: 1px solid var(--sv-line);
  background: #fff;
  padding: 17px;
}
.mini-card b {
  color: var(--sv-green-2);
  font-size: 18px;
}
.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
}
.article {
  padding: 24px;
  border: 1px solid var(--sv-line);
  background: #fff;
}
.article h1 {
  margin: 0 0 14px;
  color: var(--sv-red);
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.08;
  font-weight: 950;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.meta span {
  color: #fff;
  background: var(--sv-green-2);
  border-radius: 3px;
  padding: 6px 9px;
  font-size: 13px;
  font-weight: 900;
}
.article-figure img {
  width: 100%;
  max-height: 390px;
  object-fit: cover;
  border: 2px solid var(--sv-red);
}
.article .table-wrap th,
.article .table-wrap td {
  color: #53614f;
  border-color: #d8e2d3;
}
.article .table-wrap th {
  color: #fff;
}
.article-note {
  border: 2px solid var(--sv-red);
  color: #263e20;
  background: #f8fff5;
  padding: 18px;
  margin-top: 24px;
  font-weight: 850;
}
.side-card {
  position: sticky;
  top: 18px;
  align-self: start;
  border: 1px solid var(--sv-line);
  padding: 18px;
  background: #fff;
}
.side-card a {
  display: block;
  padding: 11px 0;
  border-bottom: 1px solid var(--sv-line);
  color: #244d1a;
  font-weight: 900;
}
.footer {
  background: #fff;
  border-top: 1px solid var(--sv-line);
}
.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0;
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 34px;
}
.footer h3 {
  margin: 0 0 14px;
  color: var(--sv-red);
  font-size: 20px;
  text-transform: uppercase;
}
.footer p,
.footer a,
.footer li {
  color: #687466;
  font-size: 16px;
  line-height: 1.8;
}
.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.copyright {
  background: #5d5d5d;
  color: #d8d8d8;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
@media (max-width: 980px) {
  .top-inner { flex-direction: column; align-items: flex-start; padding: 16px 0; }
  .nav { justify-content: flex-start; gap: 16px; }
  .feature-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature { border-bottom: 1px solid rgba(125, 243, 34, .2); }
  .category-icons { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .subhero-inner,
  .two-col,
  .footer-inner { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .provider-strip { grid-template-columns: repeat(8, minmax(38px, 1fr)); }
}
@media (max-width: 560px) {
  .top-inner,
  .nav,
  .feature-inner,
  .dark-panel,
  .white-section,
  .subhero-inner,
  .content,
  .footer-inner { width: min(100% - 20px, 1180px); }
  .top-actions { width: 100%; }
  .btn { flex: 1; }
  .hero img { min-height: 155px; }
  .feature-inner,
  .check-grid,
  .category-icons,
  .card-grid,
  .related-grid { grid-template-columns: 1fr; }
  .dark-panel { padding: 18px; border-width: 3px; }
  .notice { align-items: flex-start; flex-direction: column; }
  .provider-strip { grid-template-columns: repeat(4, minmax(38px, 1fr)); }
  .article { padding: 18px; }
}