:root {
  color-scheme: dark;
  --bg: #070b12;
  --surface: #0d131e;
  --surface-raised: #121b29;
  --surface-soft: #172233;
  --border: #26354a;
  --border-strong: #3a4d67;
  --text: #f4f7fb;
  --text-soft: #b7c2d1;
  --text-muted: #8492a6;
  --accent: #91e650;
  --accent-strong: #b8ff7b;
  --accent-ink: #102006;
  --accent-soft: rgba(145, 230, 80, 0.12);
  --accent-border: rgba(145, 230, 80, 0.34);
  --code: #090e16;
  --danger: #ff8a8a;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --content: 1220px;
  --header-height: 72px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f7f2;
  --surface: #ffffff;
  --surface-raised: #f8faf6;
  --surface-soft: #edf2e9;
  --border: #d6dfd2;
  --border-strong: #b7c5b2;
  --text: #152016;
  --text-soft: #435346;
  --text-muted: #68786b;
  --accent: #397d14;
  --accent-strong: #285f0d;
  --accent-ink: #ffffff;
  --accent-soft: rgba(57, 125, 20, 0.09);
  --accent-border: rgba(57, 125, 20, 0.25);
  --code: #111b14;
  --shadow: 0 24px 70px rgba(36, 55, 39, 0.12);
}

:root[data-product="sdk"] {
  --accent: #4dc8f0;
  --accent-strong: #8ee3ff;
  --accent-ink: #061a21;
  --accent-soft: rgba(77, 200, 240, 0.12);
  --accent-border: rgba(77, 200, 240, 0.34);
}

:root[data-product="sdk"][data-theme="light"] {
  --accent: #08779f;
  --accent-strong: #075e7c;
  --accent-ink: #ffffff;
  --accent-soft: rgba(8, 119, 159, 0.09);
  --accent-border: rgba(8, 119, 159, 0.26);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 28px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 75% -20%, var(--accent-soft), transparent 38rem),
    linear-gradient(180deg, var(--bg), var(--bg));
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(calc(100% - 40px), var(--content));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent-border);
  border-radius: 9px 9px 9px 3px;
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 5px 5px 0 var(--accent-soft);
  font: 800 13px/1 "SFMono-Regular", Consolas, monospace;
}

.brand-product {
  color: var(--text-muted);
  font-weight: 580;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.header-nav a,
.icon-button,
.menu-button {
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-soft);
  background: transparent;
  text-decoration: none;
  cursor: pointer;
}

.header-nav a {
  padding: 8px 11px;
  font-size: 14px;
  font-weight: 620;
}

.header-nav a:hover,
.header-nav a[aria-current="page"],
.icon-button:hover,
.menu-button:hover {
  border-color: var(--border);
  background: var(--surface-raised);
  color: var(--text);
}

.version-pill {
  padding: 4px 9px;
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  font: 650 12px/1.4 "SFMono-Regular", Consolas, monospace;
}

.icon-button,
.menu-button {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
}

.menu-button {
  display: none;
}

.theme-icon {
  width: 17px;
  height: 17px;
  border: 2px solid currentColor;
  border-radius: 50%;
  box-shadow: inset -5px -3px 0 var(--bg);
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  width: 18px;
  height: 2px;
  display: block;
  border-radius: 2px;
  background: currentColor;
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  position: absolute;
  left: 0;
  content: "";
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.hero {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 86px 0 70px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.75fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-strong);
  font: 700 13px/1.4 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.99;
  letter-spacing: -0.055em;
}

.hero h1 span {
  color: var(--accent-strong);
}

.hero-copy {
  max-width: 700px;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: clamp(17px, 1.8vw, 21px);
}

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

.button {
  min-height: 44px;
  padding: 10px 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-raised);
  color: var(--text);
  font-weight: 680;
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

.button:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

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

.button-quiet {
  background: transparent;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
  box-shadow: var(--shadow);
}

.hero-panel::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent 82%);
  content: "";
}

.terminal-bar {
  padding: 15px 18px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font: 600 12px/1 "SFMono-Regular", Consolas, monospace;
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
}

.terminal-title {
  margin-left: 5px;
}

.hero-panel pre {
  min-height: 280px;
  margin: 0;
  padding: 24px;
  overflow: auto;
  background: transparent;
  color: #dce7f5;
  font-size: 13px;
  line-height: 1.75;
}

:root[data-theme="light"] .hero-panel pre {
  color: #26372b;
}

.code-keyword {
  color: #d9a7ff;
}

.code-type {
  color: #73d7ff;
}

.code-string {
  color: #b8ef86;
}

.code-method {
  color: #ffd479;
}

.trust-strip {
  border-block: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 76%, transparent);
}

.trust-inner {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 18px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--text-soft);
  font-size: 14px;
}

.trust-index {
  color: var(--accent-strong);
  font: 700 12px/1 "SFMono-Regular", Consolas, monospace;
}

.docs-shell {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 72px 0 110px;
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  gap: 64px;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 26px);
  align-self: start;
  max-height: calc(100vh - var(--header-height) - 52px);
  overflow: auto;
}

.sidebar-label {
  margin: 0 0 11px;
  color: var(--text-muted);
  font: 700 11px/1.4 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section-nav {
  display: grid;
  gap: 3px;
}

.section-nav a {
  padding: 7px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 560;
  text-decoration: none;
}

.section-nav a:hover,
.section-nav a.is-active {
  border-left-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.sidebar-card {
  margin-top: 28px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 12px;
}

.sidebar-card strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
  font-size: 13px;
}

.docs-content {
  min-width: 0;
}

.docs-section {
  margin-bottom: 100px;
}

.docs-section:last-child {
  margin-bottom: 0;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font: 700 12px/1.4 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.docs-section h2 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.section-lead {
  max-width: 800px;
  margin: 18px 0 32px;
  color: var(--text-soft);
  font-size: 18px;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

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

.card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, var(--surface-raised), var(--surface));
}

.card:hover {
  border-color: var(--border-strong);
}

.card-number {
  margin-bottom: 22px;
  color: var(--accent-strong);
  font: 700 12px/1 "SFMono-Regular", Consolas, monospace;
}

.card h3,
.callout h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.3;
}

.card p,
.callout p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

.card a {
  display: inline-flex;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 700;
}

.feature-list,
.check-list,
.plain-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

.feature-list li,
.check-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-soft);
}

.feature-list li::before,
.check-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  background: var(--accent-soft);
  content: "";
  transform: translateY(-50%);
}

.check-list {
  display: grid;
  gap: 9px;
}

.plain-list {
  display: grid;
  gap: 7px;
  color: var(--text-soft);
}

.plain-list code,
p code,
li code,
td code {
  padding: 0.14em 0.36em;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.88em;
}

.callout {
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid var(--accent-border);
  border-left: 4px solid var(--accent);
  border-radius: 5px var(--radius-md) var(--radius-md) 5px;
  background: var(--accent-soft);
}

.callout-warning {
  border-color: rgba(255, 190, 85, 0.35);
  border-left-color: #ffbe55;
  background: rgba(255, 190, 85, 0.08);
}

.code-block {
  position: relative;
  margin: 24px 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--code);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.14);
}

.code-header {
  min-height: 43px;
  padding: 10px 13px 10px 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid #253044;
  color: #8290a5;
  font: 600 12px/1.4 "SFMono-Regular", Consolas, monospace;
}

.copy-button {
  padding: 5px 9px;
  border: 1px solid #334159;
  border-radius: 7px;
  background: #111a27;
  color: #c4cfdd;
  cursor: pointer;
  font: 650 11px/1.4 "SFMono-Regular", Consolas, monospace;
}

.copy-button:hover,
.copy-button.is-copied {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.code-block pre {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
  color: #dbe5f3;
  font-size: 13px;
  line-height: 1.65;
  tab-size: 4;
}

.method-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  font-size: 14px;
}

.method-table th,
.method-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

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

.method-table th {
  background: var(--surface-raised);
  color: var(--text-muted);
  font: 700 11px/1.4 "SFMono-Regular", Consolas, monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.method-table td:first-child {
  width: 35%;
  color: var(--text);
  font: 600 12px/1.55 "SFMono-Regular", Consolas, monospace;
}

.method-table td:last-child {
  color: var(--text-soft);
}

.tabs {
  margin: 28px 0;
}

.tab-list {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
}

.tab-button {
  padding: 10px 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 680;
  white-space: nowrap;
}

.tab-button[aria-selected="true"] {
  border-bottom-color: var(--accent);
  color: var(--text);
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel .code-block {
  margin-top: 16px;
}

.search-panel {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.search-row {
  display: flex;
  gap: 10px;
}

.search-field {
  position: relative;
  flex: 1;
}

.search-field::before {
  position: absolute;
  top: 50%;
  left: 15px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
  content: "";
  transform: translateY(-58%);
}

.search-field::after {
  position: absolute;
  top: 57%;
  left: 27px;
  width: 7px;
  height: 2px;
  background: var(--text-muted);
  content: "";
  transform: rotate(45deg);
}

.search-input {
  width: 100%;
  height: 46px;
  padding: 0 92px 0 43px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: 0;
  background: var(--surface-raised);
  color: var(--text);
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-shortcut {
  position: absolute;
  top: 50%;
  right: 10px;
  padding: 3px 7px;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-muted);
  font: 600 11px/1.4 "SFMono-Regular", Consolas, monospace;
  transform: translateY(-50%);
}

.reference-meta {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.reference-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.reference-card {
  min-width: 0;
  padding: 13px 14px;
  display: block;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-raised);
  color: var(--text);
  text-decoration: none;
}

.reference-card:hover {
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.reference-name {
  display: block;
  overflow: hidden;
  font: 650 13px/1.45 "SFMono-Regular", Consolas, monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reference-package {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reference-empty {
  padding: 24px;
  grid-column: 1 / -1;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  text-align: center;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-inner {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 36px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--text-soft);
  text-decoration: none;
}

.hub-page .hero {
  min-height: calc(100vh - var(--header-height) - 150px);
}

.product-choice {
  display: grid;
  gap: 14px;
}

.product-card {
  padding: 22px;
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.product-card:hover {
  border-color: var(--accent-border);
  background: var(--surface-raised);
  transform: translateY(-2px);
}

.product-card strong {
  display: block;
  margin-bottom: 5px;
  font-size: 20px;
}

.product-card span {
  color: var(--text-soft);
  font-size: 14px;
}

.product-card-sdk {
  --accent: #4dc8f0;
  --accent-border: rgba(77, 200, 240, 0.34);
}

[hidden] {
  display: none !important;
}

@media (max-width: 1060px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-panel {
    max-width: 760px;
  }

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

  .docs-shell {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 36px;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  :root {
    --header-height: 64px;
  }

  .header-inner,
  .hero,
  .trust-inner,
  .docs-shell,
  .footer-inner {
    width: min(calc(100% - 28px), var(--content));
  }

  .header-nav {
    position: fixed;
    inset: var(--header-height) 14px auto;
    padding: 12px;
    display: none;
    align-items: stretch;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .header-nav.is-open {
    display: grid;
  }

  .header-nav a {
    padding: 11px 12px;
  }

  .version-pill {
    margin: 0 4px;
    justify-self: start;
  }

  .menu-button {
    display: grid;
    margin-left: auto;
  }

  .hero {
    padding: 58px 0 50px;
  }

  .hero h1 {
    font-size: clamp(39px, 13vw, 62px);
  }

  .hero-panel pre {
    min-height: 0;
  }

  .docs-shell {
    padding-top: 54px;
    display: block;
  }

  .docs-sidebar {
    display: none;
  }

  .docs-section {
    margin-bottom: 76px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .reference-grid {
    grid-template-columns: 1fr;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .method-table {
    display: block;
    overflow-x: auto;
  }

  .method-table th,
  .method-table td {
    min-width: 190px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand-product {
    display: none;
  }

  .trust-inner {
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .button-row .button {
    width: 100%;
  }

  .card,
  .search-panel {
    padding: 17px;
  }

  .search-shortcut {
    display: none;
  }

  .search-input {
    padding-right: 15px;
  }

  .code-block pre {
    padding: 16px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .docs-sidebar,
  .copy-button,
  .site-footer,
  .hero-actions,
  .search-shortcut {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }

  .hero,
  .docs-shell {
    width: 100%;
    display: block;
    padding: 24px;
  }

  .docs-section {
    break-inside: avoid;
  }
}