:root {
  color-scheme: light;
  --brand-950: #073c36;
  --brand-900: #075e54;
  --brand-700: #0b7669;
  --brand-100: #dff3ed;
  --brand-50: #eff9f6;
  --ink: #122521;
  --muted: #5c6c68;
  --line: #dbe5e1;
  --paper: #fffdf9;
  --canvas: #f5f7f4;
  --warning: #9a5800;
  --warning-bg: #fff7e8;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 20px 55px rgba(7, 60, 54, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 2%, rgba(11, 118, 105, 0.09), transparent 30rem),
    radial-gradient(circle at 95% 18%, rgba(233, 177, 79, 0.09), transparent 24rem),
    var(--canvas);
  font-family: "Noto Sans Bengali", "Hind Siliguri", Inter, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--brand-950);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(11, 118, 105, 0.28);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(219, 229, 225, 0.86);
  background: rgba(255, 253, 249, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner,
.page-shell,
.site-footer {
  width: min(100% - 32px, 980px);
  margin-inline: auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--brand-950);
  font-size: 1.16rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: linear-gradient(145deg, var(--brand-700), var(--brand-950));
  box-shadow: 0 8px 20px rgba(7, 94, 84, 0.2);
}

.brand-mark svg {
  width: 25px;
  height: 25px;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
  font-weight: 700;
}

.language-link {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  text-decoration: none;
}

.page-shell {
  padding-block: 56px 72px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 6vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(239, 249, 246, 0.9));
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  top: -130px;
  right: -95px;
  width: 300px;
  height: 300px;
  border: 55px solid rgba(11, 118, 105, 0.05);
  border-radius: 50%;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--brand-700);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 760px;
  margin-bottom: 14px;
  color: var(--brand-950);
  font-size: clamp(2rem, 5vw, 3.8rem);
}

h2 {
  margin-bottom: 16px;
  color: var(--brand-950);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

p,
ul,
ol {
  margin-top: 0;
}

.hero-summary {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.13rem);
}

.meta-row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-chip {
  padding: 6px 11px;
  border: 1px solid rgba(11, 118, 105, 0.14);
  border-radius: 999px;
  color: var(--brand-900);
  background: rgba(223, 243, 237, 0.72);
  font-size: 0.82rem;
  font-weight: 750;
}

.notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  margin-top: 20px;
  padding: 17px 18px;
  border: 1px solid #f1d8ae;
  border-radius: var(--radius-md);
  color: #6e470d;
  background: var(--warning-bg);
}

.notice-icon {
  font-size: 1.25rem;
  line-height: 1.5;
}

.content-grid {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 28px;
  margin-top: 30px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 94px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
}

.toc strong {
  display: block;
  margin-bottom: 10px;
  color: var(--brand-950);
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.88rem;
}

.toc li + li {
  margin-top: 6px;
}

.toc a {
  color: inherit;
  text-decoration: none;
}

.toc a:hover {
  color: var(--brand-700);
}

.policy-content {
  min-width: 0;
}

.policy-section {
  scroll-margin-top: 94px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
}

.policy-section + .policy-section {
  margin-top: 16px;
}

.policy-section p:last-child,
.policy-section ul:last-child,
.policy-section ol:last-child {
  margin-bottom: 0;
}

.policy-section li + li {
  margin-top: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 0.92rem;
}

.data-table th,
.data-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--brand-950);
  background: var(--brand-50);
}

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

.callout {
  margin-top: 16px;
  padding: 16px 18px;
  border-left: 4px solid var(--brand-700);
  border-radius: 0 12px 12px 0;
  background: var(--brand-50);
}

.contact-card {
  padding: 22px;
  border-radius: var(--radius-md);
  color: white;
  background: linear-gradient(135deg, var(--brand-900), var(--brand-950));
}

.contact-card h2 {
  color: white;
}

.contact-card a {
  color: white;
}

.site-footer {
  padding-block: 28px 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 760px) {
  .header-links .secondary-link {
    display: none;
  }

  .page-shell {
    padding-top: 28px;
  }

  .content-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .toc {
    position: static;
  }

  .toc ol {
    columns: 2;
    column-gap: 28px;
  }

  .data-table,
  .data-table thead,
  .data-table tbody,
  .data-table th,
  .data-table td,
  .data-table tr {
    display: block;
  }

  .data-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .data-table tr {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .data-table td {
    padding: 3px 0;
    border: 0;
  }

  .data-table td::before {
    content: attr(data-label);
    display: block;
    color: var(--brand-950);
    font-size: 0.77rem;
    font-weight: 800;
  }
}

@media (max-width: 470px) {
  .header-inner,
  .page-shell,
  .site-footer {
    width: min(100% - 22px, 980px);
  }

  .brand-name {
    display: none;
  }

  .hero {
    border-radius: 22px;
  }

  .toc ol {
    columns: 1;
  }

  .policy-section {
    padding: 20px 17px;
  }
}

@media print {
  .site-header,
  .toc {
    display: none;
  }

  body {
    background: white;
  }

  .page-shell {
    width: 100%;
    padding: 0;
  }

  .hero,
  .policy-section {
    break-inside: avoid;
    box-shadow: none;
  }

  .content-grid {
    display: block;
  }
}