html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #0f172a;
}

body.landing-active {
  overflow-x: hidden;
}

body.landing-active #root {
  display: none;
}

.landing-shell {
  min-height: 100vh;
  color: #e5edf8;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(21, 32, 51, 0.92)),
    url("/assets/logo_literasi_terbaru_1780208695909-CZOpPu8X.png") right 9% top 22% / min(44vw, 420px) no-repeat,
    #0f172a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body:not(.landing-active) .landing-shell {
  display: none;
}

.landing-nav,
.landing-main,
.landing-band {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.landing-nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  letter-spacing: 0;
}

.brand small {
  color: #9fb0c8;
  font-size: 0.78rem;
  margin-top: 2px;
}

.landing-main {
  min-height: calc(100vh - 174px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  align-items: center;
  gap: 40px;
  padding: 40px 0 54px;
}

.intro {
  max-width: 720px;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 18px;
  padding: 8px 12px;
  border: 1px solid rgba(251, 146, 60, 0.28);
  border-radius: 999px;
  color: #fed7aa;
  background: rgba(251, 146, 60, 0.08);
  font-size: 0.75rem;
  font-weight: 700;
}

.intro h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.45rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
  max-width: 760px;
}

.lead {
  margin: 22px 0 0;
  max-width: 620px;
  color: #b7c4d6;
  font-size: 1.04rem;
  line-height: 1.75;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}

.primary-button {
  color: #ffffff;
  background: #ea580c;
  box-shadow: 0 16px 36px rgba(234, 88, 12, 0.24);
}

.secondary-button,
.ghost-button {
  color: #e5edf8;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.overview {
  display: grid;
  gap: 14px;
}

.overview div {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 18px;
  background: rgba(15, 23, 42, 0.72);
}

.metric {
  display: block;
  color: #fb923c;
  font-weight: 900;
  font-size: 0.76rem;
  margin-bottom: 12px;
}

.overview strong {
  display: block;
  color: #ffffff;
  font-size: 1rem;
}

.overview p,
.landing-band p {
  color: #aab8ca;
  line-height: 1.65;
  margin: 8px 0 0;
}

.landing-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.landing-band h2 {
  margin: 0;
  color: #ffffff;
  font-size: 1.25rem;
  letter-spacing: 0;
}

.landing-band p {
  max-width: 760px;
}

.compact {
  flex: 0 0 auto;
}

@media (max-width: 820px) {
  .landing-main {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 32px;
  }

  .overview {
    grid-template-columns: 1fr;
  }

  .landing-band {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .landing-nav {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 18px;
  }

  .ghost-button,
  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .intro h1 {
    font-size: 2.35rem;
  }
}