html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #05070c;
  color: #f5f7fb;
  font-family: Arial, sans-serif;
}

body {
  background: #05070c;
}

.hero {
  padding: 32px;
  background: #05070c;
}

.hero h1 {
  margin: 0 0 8px 0;
  font-size: 3rem;
  color: white;
}

.hero p {
  margin: 0;
  color: #b8c0cc;
  font-size: 1.1rem;
}

.layers {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.layers button,
.text button {
  background: transparent;
  color: white;
  border: 1px solid #3b4658;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
}

.container {
  display: grid;
  grid-template-columns: 38% 62%;
  gap: 24px;
  padding: 0 32px 32px 32px;
  box-sizing: border-box;
  min-height: calc(100vh - 150px);
  background: #05070c;
}

.text {
  color: white;
}

.text section {
  margin-bottom: 56px;
}

.text h2 {
  margin: 0 0 12px 0;
  font-size: 2.2rem;
}

.text p {
  margin: 0;
  line-height: 1.6;
  color: #d2d8e2;
}

.legend {
  margin-top: 20px;
  color: #9aa4b2;
}

#map {
  width: 100%;
  height: calc(100vh - 180px);
  min-height: 700px;
  border-radius: 24px;
  overflow: hidden;
  background: #d9dde3;
}

.opacity-control {
  background: rgba(5, 7, 12, 0.82);
  padding: 10px 12px;
  border-radius: 10px;
  color: white;
}

.opacity-control input {
  width: 140px;
  margin-top: 6px;
}

@media (max-width: 900px) {
  .container {
    grid-template-columns: 1fr;
  }

  #map {
    height: 60vh;
    min-height: 420px;
  }
}