:root {
  --color-bg: #f7f9fb;
  --color-surface: #ffffff;
  --color-text: #17202a;
  --color-muted: #5f6b7a;
  --color-border: #d9e0e8;
  --color-border-strong: #b9c4d0;
  --color-accent: #126d8a;
  --color-accent-contrast: #ffffff;
  --color-green: #1f7a4d;
  --color-yellow-bg: #fff7db;
  --color-yellow-text: #745100;
  --shadow-panel: 0 12px 30px rgba(23, 32, 42, 0.08);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --radius: 8px;
  --font-body: Inter, Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding: 0 var(--space-8);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  gap: var(--space-3);
  align-items: center;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  font-size: 13px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 600;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--color-accent);
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.language-label {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.language-select {
  min-height: 32px;
  max-width: 148px;
  padding: 0 var(--space-8) 0 var(--space-2);
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
}

.language-select:hover,
.language-select:focus-visible {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(18, 109, 138, 0.12);
}

.language-submit {
  min-height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  background: var(--color-surface);
  font-weight: 700;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-8);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: var(--space-8);
  align-items: center;
  min-height: calc(100vh - 124px);
}

.hero-content {
  max-width: 580px;
}

.eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: var(--space-4);
  font-size: 48px;
  line-height: 1.08;
}

h2 {
  margin-bottom: var(--space-3);
  font-size: 28px;
  line-height: 1.2;
}

h3 {
  margin-bottom: var(--space-2);
  font-size: 18px;
}

.hero-lead,
.page-header p {
  color: var(--color-muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 var(--space-5);
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.button.secondary {
  background: var(--color-surface);
  color: var(--color-text);
}

.button:hover,
.button:focus-visible {
  box-shadow: 0 0 0 3px rgba(18, 109, 138, 0.16);
}

.hero-map {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #dfe8ee;
  box-shadow: var(--shadow-panel);
}

.map-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 109, 138, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(18, 109, 138, 0.12) 1px, transparent 1px),
    radial-gradient(circle at 25% 30%, rgba(31, 122, 77, 0.30), transparent 26%),
    radial-gradient(circle at 70% 62%, rgba(18, 109, 138, 0.22), transparent 30%);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.map-panel {
  position: absolute;
  inset: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius);
}

.map-toolbar,
.map-legend {
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.map-toolbar {
  top: var(--space-4);
}

.layer {
  padding: var(--space-1) var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
}

.layer.active {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.map-point {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(18, 109, 138, 0.16);
}

.point-one {
  top: 35%;
  left: 42%;
}

.point-two {
  top: 57%;
  left: 66%;
}

.point-three {
  top: 66%;
  left: 28%;
}

.map-legend {
  bottom: var(--space-4);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 700;
}

.scale {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #3d6fb6, #d8d25a, #c55f46);
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: var(--space-4) 0 var(--space-8);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.status-item {
  padding: var(--space-4);
  border-right: 1px solid var(--color-border);
}

.status-item:last-child {
  border-right: 0;
}

.label {
  display: block;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.value {
  display: inline-block;
  margin-top: var(--space-1);
  font-weight: 700;
}

.section,
.page-header {
  margin-top: var(--space-8);
}

.section-heading {
  margin-bottom: var(--space-5);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: var(--space-8);
  align-items: start;
}

.copy-block,
.feature,
.panel,
.endpoint {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.copy-block,
.feature,
.panel {
  padding: var(--space-5);
}

.check-list {
  margin: var(--space-4) 0 0;
  padding-left: var(--space-5);
}

.check-list li {
  margin-bottom: var(--space-2);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

th {
  color: var(--color-muted);
  font-size: 12px;
  text-transform: uppercase;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 var(--space-2);
  border-radius: 999px;
  background: var(--color-yellow-bg);
  color: var(--color-yellow-text);
  font-size: 12px;
  font-weight: 700;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.feature p {
  color: var(--color-muted);
}

.endpoint-list {
  display: grid;
  gap: var(--space-3);
}

.api-tabs {
  display: inline-flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding: var(--space-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.api-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 var(--space-4);
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.api-tab.is-active {
  border-color: rgba(18, 109, 138, 0.34);
  background: rgba(18, 109, 138, 0.10);
  color: var(--color-text);
}

.api-tab:hover,
.api-tab:focus-visible {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(18, 109, 138, 0.12);
}

.api-doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.api-group {
  margin-top: var(--space-6);
}

.api-group h3 {
  margin-bottom: var(--space-3);
}

.endpoint {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  text-decoration: none;
}

.endpoint:hover,
.endpoint:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(18, 109, 138, 0.12);
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
}

.method {
  display: inline-flex;
  align-items: center;
  min-width: 48px;
  color: var(--color-accent);
  font-weight: 800;
}

.endpoint span {
  color: var(--color-muted);
}

.endpoint .method {
  color: var(--color-accent);
}

@media (max-width: 860px) {
  .topbar,
  main {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .topbar-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
  }

  .language-switcher {
    justify-content: flex-start;
  }

  .language-select {
    max-width: 100%;
  }

  .hero,
  .two-column,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: 36px;
  }

  .hero-map {
    min-height: 380px;
  }

  .status-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .status-item:nth-child(2) {
    border-right: 0;
  }

  .status-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--color-border);
  }

  .endpoint {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .nav {
    width: 100%;
    justify-content: flex-start;
    gap: var(--space-2);
  }

  .status-strip {
    grid-template-columns: 1fr;
  }

  .status-item,
  .status-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .status-item:last-child {
    border-bottom: 0;
  }
}