:root {
  --bg: #edf1e6;
  --sage: #d6e8bf;
  --deep: #07270f;
  --forest: #1e6c3d;
  --mint: #9dcf95;
  --text: #132316;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  overflow-x: hidden;
  line-height: 1.5;
}

body.lang-bn {
  font-family: "Noto Sans Bengali", "Space Grotesk", sans-serif;
}

body.lang-bn h1,
body.lang-bn h2,
body.lang-bn h3 {
  font-family: "Noto Serif Bengali", "Noto Sans Bengali", serif;
  line-height: 1.24;
}

.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(158, 203, 143, 0.35), transparent 42%),
    radial-gradient(circle at 85% 20%, rgba(73, 133, 83, 0.2), transparent 38%),
    radial-gradient(circle at 70% 80%, rgba(6, 39, 19, 0.08), transparent 42%);
  z-index: -1;
}

main,
header,
footer,
.topbar {
  width: min(1180px, calc(100% - 3rem));
  margin-inline: auto;
}

.topbar {
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: "DM Serif Display", serif;
  font-size: 1.6rem;
  color: #0e2a15;
}

body.lang-bn .brand {
  font-family: "Noto Serif Bengali", serif;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid #7f9f78;
  background: rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  padding: 0.2rem;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: #244b2e;
  font-weight: 700;
  min-height: 42px;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.9rem;
}

.lang-btn.active {
  background: #123f1f;
  color: #ebf7de;
}

.hero {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(7, 39, 15, 0.18);
  background: #e5efd5;
}

.hero-photo {
  min-height: 420px;
  background-image:
    linear-gradient(to right, rgba(5, 22, 11, 0.2), rgba(5, 22, 11, 0.08)),
    url("https://upload.wikimedia.org/wikipedia/commons/a/a6/Bangladesh_National_Parliament_Building%2C_Dhaka%2C_Bangladesh.jpg");
  background-size: cover;
  background-position: center center;
}

.hero-content {
  padding: clamp(1.8rem, 2.8vw, 3rem);
  display: grid;
  align-content: center;
  gap: 1rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #244b2e;
}

body.lang-bn .eyebrow {
  text-transform: none;
  letter-spacing: 0.02em;
}

h1,
h2,
h3 {
  font-family: "DM Serif Display", serif;
  margin: 0;
  line-height: 1.06;
  color: #0b2411;
}

h1 {
  font-size: clamp(2rem, 4.7vw, 4rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.45rem);
}

h3 {
  font-size: 1.55rem;
  overflow-wrap: anywhere;
}

.lead {
  font-size: 1.08rem;
  max-width: 44ch;
  line-height: 1.6;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-tags span {
  border: 1px solid #86a177;
  border-radius: 999px;
  padding: 0.42rem 0.9rem;
  font-weight: 500;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.45);
}

section {
  margin-top: 2.4rem;
}

.dhaka-gallery {
  margin-top: 1.6rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.gallery-card {
  margin: 0;
  border: 1px solid #9ab08c;
  border-radius: 18px;
  overflow: hidden;
  background: #f4f8ee;
}

.gallery-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  display: block;
}

.gallery-card figcaption {
  padding: 0.75rem 0.85rem;
  font-size: 0.92rem;
  color: #27442f;
}

.intro {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.1rem;
}

.intro > div,
.intro-panel {
  padding: 1.5rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(22, 52, 27, 0.18);
}

.intro p {
  line-height: 1.72;
  margin-top: 0.85rem;
}

.intro-panel h3 {
  font-size: 1.35rem;
}

.intro-panel ul {
  margin: 1rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.72rem;
  line-height: 1.5;
}

.section-heading {
  margin-bottom: 1rem;
}

.section-heading p {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 700;
  color: #3d6746;
}

body.lang-bn .section-heading p {
  text-transform: none;
  letter-spacing: 0.02em;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.platform-card {
  min-height: 210px;
  padding: 1.2rem;
  border-radius: 20px;
  border: 1px solid #9ab08c;
  background: linear-gradient(150deg, rgba(236, 246, 228, 0.93), rgba(216, 233, 194, 0.83));
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 22px rgba(18, 56, 27, 0.16);
}

.platform-card h3 {
  font-size: 1.4rem;
  overflow-wrap: anywhere;
}

.platform-card p {
  margin-top: 0.6rem;
  line-height: 1.53;
}

.coming-soon {
  background: linear-gradient(145deg, #11311a, #0a220f);
  color: #d8efcb;
  border-color: #30593a;
}

.coming-soon h3 {
  color: #f1ffe8;
}

.upcoming-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.upcoming-grid .platform-card {
  display: block;
  min-height: 210px;
}

.upcoming-grid .coming-soon {
  min-height: 210px;
}

.upcoming-card {
  background: linear-gradient(145deg, rgba(228, 241, 208, 0.95), rgba(204, 229, 175, 0.88));
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.use-case-grid article {
  border-radius: 20px;
  padding: 1.15rem;
  border: 1px solid #98b08d;
  background: #f4f8ee;
  display: grid;
  gap: 0.55rem;
}

.use-case-grid article:nth-child(2),
.use-case-grid article:nth-child(4) {
  background: #e7f2d9;
}

.use-case-grid article:nth-child(5) {
  background: linear-gradient(145deg, #07270f, #123b1f);
  color: #e2f4d3;
  border-color: #335f3e;
}

.use-case-grid article:nth-child(5) h3 {
  color: #f4ffe9;
}

.num {
  width: max-content;
  border-radius: 999px;
  padding: 0.18rem 0.62rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: #cce1af;
  color: #2c5835;
}

.outcomes {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 1rem;
  padding: 1rem;
  border-radius: 24px;
  background: linear-gradient(135deg, #14311c, #0a220f);
  color: #e0f3d4;
}

.outcome-title {
  padding: 1.2rem;
}

.outcome-title h2,
.outcome-title p {
  color: #eafede;
}

.outcome-title p {
  margin-top: 0.8rem;
  line-height: 1.6;
}

.outcome-pills {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.72rem;
}

.outcome-pills div {
  background: #e5f4d7;
  color: #0f2615;
  padding: 0.9rem;
  border-radius: 16px;
  border: 1px solid #8fb589;
  display: grid;
  gap: 0.2rem;
}

.outcome-pills span {
  font-size: 0.93rem;
}

footer {
  margin-top: 1.4rem;
  margin-bottom: 2rem;
  padding: 1.8rem;
  border-radius: 20px;
  border: 1px solid #90ab87;
  text-align: center;
  background: rgba(240, 248, 233, 0.75);
}

footer p {
  margin: 0.45rem 0 0.8rem;
  font-size: 1.05rem;
}

footer a {
  color: #173c20;
  text-decoration: none;
  font-weight: 600;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.75s ease forwards;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1020px) {
  h1 {
    font-size: clamp(1.9rem, 6vw, 2.8rem);
  }

  h2 {
    font-size: clamp(1.45rem, 4.8vw, 2rem);
  }

  h3 {
    font-size: clamp(1.2rem, 3.4vw, 1.4rem);
  }

  .hero,
  .intro,
  .outcomes {
    grid-template-columns: 1fr;
  }

  .platform-grid,
  .upcoming-grid,
  .use-case-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-photo {
    min-height: 300px;
  }
}

@media (max-width: 680px) {
  main,
  header,
  footer,
  .topbar {
    width: min(1180px, calc(100% - 1.25rem));
  }

  .platform-grid,
  .upcoming-grid,
  .use-case-grid,
  .outcome-pills,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    margin-top: 0.8rem;
    border-radius: 20px;
  }

  .hero-content,
  .intro > div,
  .intro-panel,
  .outcome-title,
  .outcomes,
  footer {
    padding: 1rem;
  }

  .topbar {
    margin-top: 0.7rem;
    position: sticky;
    top: 0.5rem;
    z-index: 20;
    padding: 0.5rem 0.65rem;
    border-radius: 999px;
    background: rgba(238, 245, 228, 0.92);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(34, 65, 40, 0.18);
  }

  .brand {
    font-size: 1.28rem;
  }

  .lang-btn {
    min-height: 40px;
    padding: 0.45rem 0.75rem;
    font-size: 0.84rem;
  }

  .hero-photo {
    min-height: 220px;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.55;
  }

  .hero-tags span {
    font-size: 0.82rem;
    padding: 0.36rem 0.7rem;
  }

  section {
    margin-top: 1.5rem;
  }

  .gallery-card img {
    height: 200px;
  }

  .platform-card,
  .use-case-grid article,
  .outcome-pills div {
    min-height: auto;
    padding: 1rem;
  }

  .intro p,
  .platform-card p,
  .use-case-grid article p,
  .outcome-title p {
    line-height: 1.58;
    font-size: 0.98rem;
  }
}

@media (max-width: 480px) {
  main,
  header,
  footer,
  .topbar {
    width: calc(100% - 0.9rem);
  }

  .topbar {
    top: 0.35rem;
    padding: 0.4rem 0.5rem;
    gap: 0.45rem;
  }

  .brand {
    font-size: 1.1rem;
  }

  h1 {
    font-size: 1.7rem;
    line-height: 1.12;
  }

  h2 {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .hero-content {
    gap: 0.72rem;
  }

  .eyebrow,
  .section-heading p {
    font-size: 0.72rem;
  }

  .intro > div,
  .intro-panel,
  .platform-card,
  .use-case-grid article,
  .outcome-pills div,
  footer {
    border-radius: 14px;
  }

  .gallery-card img {
    height: 178px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    animation: none;
    opacity: 1;
    transform: none;
  }
}