:root {
  font-family: "Inter", "Noto Sans Bengali", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #f4fff8;
  background: #00ffa6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top right, rgba(15, 110, 80, 0.25), transparent 55%), #031710;
  color: #f4fff8;
}

.top-bar {
  width: 100%;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #025836;
  border-bottom: 2px solid #03ffee;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  height: 34px;
  width: 34px;
  object-fit: contain;
}

.brand-name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: #f4fff8;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}
.nav-link:hover,
.nav-link:focus-visible {
  color: #73ffbf;
}

.text-link {
  color: #73ffbf;
  text-decoration: underline;
  font-weight: 600;
}
.text-link:hover,
.text-link:focus-visible {
  color: #b6ffe0;
}

.dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.dropdown-toggle {
  border: none;
  background: transparent;
  color: #f4fff8;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}

.dropdown-toggle:hover,
.dropdown-toggle:focus-visible {
  color: #73ffbf;
}

.dropdown-menu {
  position: absolute;
  top: 140%;
  right: 0;
  background: #061d14;
  border: 1px solid rgba(167, 243, 208, 0.2);
  border-radius: 0.75rem;
  padding: 0.5rem 0;
  min-width: 180px;
  display: none;
  flex-direction: column;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

.dropdown:focus-within .dropdown-menu,
.dropdown:hover .dropdown-menu {
  display: flex;
}

.dropdown-item {
  color: #f4fff8;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.45rem 1rem;
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
  background: rgba(115, 255, 191, 0.1);
}

.hero {
  text-align: center;
  padding: 4.5rem 1.5rem 3.5rem;
  max-width: 920px;
  margin: 2rem auto 0;
  color: #f4fff8;
}

.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.9rem;
  color: #b6ffe0;
}

.hero h1 {
  margin: 1.25rem 0 1rem;
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  line-height: 1.1;
}

.hero h1 span {
  color: #73ffbf;
}

.hero p {
  margin: 0 auto;
  max-width: 620px;
  font-size: 1.1rem;
  color: rgba(244, 255, 248, 0.8);
}

.hero-badges {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.hero-badges span {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.35rem 1rem;
  font-size: 0.9rem;
  color: #e8f5e9;
}

main {
  max-width: 1100px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}

.poster-section {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.poster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.poster-grid img {
  width: 100%;
  border-radius: 1rem;
  border: 1px solid rgba(167, 243, 208, 0.2);
  background: #020f0a;
}

.map-section {
  margin-top: 3rem;
}

.map-frame {
  margin-top: 1.5rem;
  border-radius: 1.25rem;
  border: 1px solid rgba(167, 243, 208, 0.25);
  background: rgba(4, 26, 19, 0.6);
  overflow: hidden;
  position: relative;
}

.map-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.map-note {
  margin-top: 0.75rem;
  color: rgba(244, 255, 248, 0.75);
  font-size: 0.95rem;
}

.about-section,
.how-it-works {
  margin-top: 3rem;
}

.about-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.about-section article,
.feature-grid article,
.how-it-works article,
.support-grid article {
  background: rgba(4, 26, 19, 0.55);
  border: 1px solid rgba(167, 243, 208, 0.18);
  border-radius: 1.2rem;
  padding: 1.5rem;
}

.about-section ul {
  margin-top: 1rem;
  padding-left: 1.1rem;
  line-height: 1.8;
  color: rgba(244, 255, 248, 0.85);
}

.feature-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.feature-grid h3,
.how-it-works h3,
.support-grid h3,
.about-card h3 {
  color: #73ffbf;
  margin-top: 0;
}

.how-it-works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.support-grid {
  margin: 3rem 0 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

footer {
  text-align: center;
  padding: 3rem 1rem 2rem;
  color: rgba(244, 255, 248, 0.65);
}

footer .bn {
  font-family: "Noto Sans Bengali", sans-serif;
}

.policy {
  max-width: 900px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}

.policy-intro {
  text-align: center;
  padding: 4rem 0 2rem;
}

.policy-intro .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.85rem;
  color: #b6ffe0;
}

.policy-intro h1 {
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  margin-bottom: 1rem;
}

.last-updated {
  color: rgba(244, 255, 248, 0.7);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.policy-section {
  background: rgba(4, 26, 19, 0.6);
  border: 1px solid rgba(167, 243, 208, 0.18);
  border-radius: 1.25rem;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}

.policy-section h2 {
  margin-top: 0;
  color: #73ffbf;
}

.policy-section ul,
.policy-section ol {
  padding-left: 1.2rem;
  line-height: 1.8;
  color: rgba(244, 255, 248, 0.85);
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.policy-table th,
.policy-table td {
  border: 1px solid rgba(167, 243, 208, 0.2);
  padding: 0.85rem;
  text-align: left;
}

.policy-table th {
  background: rgba(255, 255, 255, 0.05);
  color: #c8f5dd;
}

.policy-table td {
  vertical-align: top;
}

.policy-section a {
  color: #73ffbf;
}

@media (max-width: 700px) {
  .hero {
    padding: 3rem 1rem 2rem;
  }

  .hero-badges {
    justify-content: flex-start;
  }
}