:root {
  --brand-navy: #061529;
  --brand-deep-teal: #032e37;
  --brand-mint: #2dd4bf;
  --brand-blue: #3b82f6;
  --brand-green: #22c55e;
  --text-main: #f5f7fa;
  --text-muted: #b7c5d6;
  --text-soft: #d7e4f2;
  --surface-primary: rgba(4, 23, 39, 0.64);
  --surface-secondary: rgba(6, 21, 41, 0.56);
  --surface-strong: rgba(3, 19, 35, 0.9);
  --border-soft: rgba(127, 159, 191, 0.3);
  --border-strong: rgba(183, 197, 214, 0.26);
  --focus-ring: rgba(45, 212, 191, 0.66);
  --focus-ring-offset: rgba(6, 21, 41, 0.96);
  --container-width: 1120px;
  --content-measure: 72ch;
  --header-height: 78px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow-soft: 0 10px 26px rgba(1, 10, 24, 0.22);
  --font-sans: Inter, "Segoe UI", "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  --heading-spacing: -0.028em;
  --scrollbar-track: rgba(255, 255, 255, 0.06);
  --scrollbar-thumb: rgba(45, 212, 191, 0.58);
  --scrollbar-thumb-hover: rgba(45, 212, 191, 0.78);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: var(--brand-navy);
  scroll-behavior: smooth;
  scrollbar-width: auto;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  line-height: 1.65;
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  background-color: var(--brand-navy);
  background-image: linear-gradient(158deg, var(--brand-navy) 0%, #07233a 60%, #062b3b 100%);
  scrollbar-width: auto;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  position: relative;
  isolation: isolate;
}

html::-webkit-scrollbar-track,
body::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 999px;
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb {
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
  background-color: var(--scrollbar-thumb);
}

html:hover::-webkit-scrollbar-thumb,
body:hover::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-hover);
}

.site-backdrop,
.site-grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.site-backdrop {
  z-index: 0;
  background:
    radial-gradient(900px 500px at 14% 6%, rgba(45, 212, 191, 0.16), transparent 70%),
    radial-gradient(800px 400px at 85% 14%, rgba(59, 130, 246, 0.14), transparent 68%),
    radial-gradient(700px 360px at 50% 100%, rgba(34, 197, 94, 0.04), transparent 74%);
}

.site-grid-overlay {
  z-index: 1;
  opacity: 0.065;
  background-image:
    linear-gradient(to right, #ffffff 1px, transparent 1px),
    linear-gradient(to bottom, #ffffff 1px, transparent 1px);
  background-size: 56px 56px;
}

.site-header,
.site-main,
.site-footer {
  position: relative;
  z-index: 2;
}

.shell {
  width: min(var(--container-width), calc(100% - 2rem));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.8rem;
  background: #ffffff;
  color: #00152d;
  border-radius: var(--radius-xs);
  font-weight: 650;
  padding: 0.58rem 0.92rem;
  text-decoration: none;
  z-index: 30;
}

.skip-link:focus {
  left: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(6, 21, 41, 0.92), rgba(6, 21, 41, 0.54));
  border-bottom: 1px solid rgba(183, 197, 214, 0.16);
}

.header-shell {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 1.55rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-link img {
  height: clamp(56px, 4.2vw, 68px);
  width: auto;
  display: block;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  color: var(--text-main);
  font: inherit;
  font-weight: 620;
  letter-spacing: 0.01em;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.045);
  border-radius: 10px;
  padding: 0.48rem 0.84rem;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-toggle:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.58rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 540;
  letter-spacing: 0.009em;
  border-radius: 10px;
  padding: 0.48rem 0.88rem;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(183, 197, 214, 0.3);
}

.nav-link:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.nav-link.is-active {
  color: var(--text-main);
  background: rgba(45, 212, 191, 0.16);
}

.nav-link-accent {
  color: #defbf5;
  border: 1px solid rgba(45, 212, 191, 0.42);
  background: rgba(45, 212, 191, 0.11);
  margin-left: 0.42rem;
}

.nav-link-accent:hover {
  border-color: rgba(45, 212, 191, 0.6);
  background: rgba(45, 212, 191, 0.2);
}

.site-main {
  padding: 2.35rem 0 1.15rem;
}

.docs-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 1rem;
  align-items: start;
}

body:not(.has-js) .docs-layout {
  grid-template-columns: minmax(0, 1fr);
}

body:not(.has-js) .doc-toc-rail {
  display: none;
}

.doc-content {
  padding: clamp(1.35rem, 1rem + 2vw, 2.35rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  background:
    linear-gradient(160deg, rgba(2, 20, 37, 0.7) 0%, rgba(3, 34, 45, 0.56) 100%);
}

.doc-content > :first-child {
  margin-top: 0;
}

.doc-content > :last-child {
  margin-bottom: 0;
}

.page-doc .doc-content > :where(p, ul, ol, blockquote) {
  max-width: var(--content-measure);
}

.page-doc .doc-content > :where(table, pre, hr, div.highlighter-rouge) {
  max-width: 100%;
}

.doc-content h1,
.doc-content h2,
.doc-content h3 {
  line-height: 1.2;
  letter-spacing: var(--heading-spacing);
}

.doc-content h1 {
  font-size: clamp(2rem, 1.62rem + 2vw, 3rem);
  margin: 0 0 1.02rem;
  text-wrap: balance;
}

.doc-content h2,
.doc-content h3 {
  scroll-margin-top: calc(var(--header-height) + 1.3rem);
}

.doc-content h2 {
  margin: 2.55rem 0 0.85rem;
  font-size: clamp(1.4rem, 1.22rem + 0.92vw, 1.96rem);
  color: #e5faf4;
}

.doc-content h3 {
  margin: 1.85rem 0 0.56rem;
  font-size: clamp(1.1rem, 1.03rem + 0.48vw, 1.35rem);
  color: #d8edf9;
}

.doc-content p,
.doc-content li,
.doc-content td,
.doc-content th {
  color: var(--text-main);
}

.doc-content p,
.doc-content ul,
.doc-content ol,
.doc-content table,
.doc-content pre,
.doc-content blockquote,
.doc-content div.highlighter-rouge {
  margin: 0 0 1.14rem;
}

.doc-content ul,
.doc-content ol {
  padding-left: 1.22rem;
}

.doc-content li + li {
  margin-top: 0.35rem;
}

.doc-content hr {
  margin: 2.2rem 0;
  border: 0;
  border-top: 1px solid rgba(183, 197, 214, 0.26);
}

.doc-content a {
  color: #bcfff3;
  text-underline-offset: 0.19em;
  text-decoration-thickness: 0.08em;
  transition: color 0.16s ease;
}

.doc-content a:hover {
  color: #ddfffb;
}

.doc-content a:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--focus-ring-offset);
  border-radius: 6px;
}

.doc-content blockquote {
  border-left: 3px solid rgba(45, 212, 191, 0.5);
  padding: 0.45rem 0.88rem;
  color: #cfdaea;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 0 10px 10px 0;
}

.doc-content code {
  font-family: "Cascadia Mono", "SF Mono", "Consolas", "Liberation Mono", monospace;
  font-size: 0.9em;
  line-height: 1.4;
  padding: 0.1rem 0.34rem;
  border-radius: 0.35rem;
  background: rgba(6, 21, 41, 0.62);
  border: 1px solid rgba(183, 197, 214, 0.2);
  color: #e9f6ff;
}

.doc-content p code,
.doc-content li code,
.doc-content td code,
.doc-content th code {
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.doc-content pre,
.doc-content div.highlighter-rouge {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(183, 197, 214, 0.25);
  background: rgba(5, 16, 30, 0.9);
  overflow-x: auto;
  scrollbar-gutter: stable both-edges;
}

.doc-content pre {
  padding: 0.92rem 1rem;
}

.doc-content div.highlighter-rouge {
  padding: 0;
}

.doc-content div.highlighter-rouge pre {
  margin: 0;
  border: 0;
  border-radius: inherit;
  background: transparent;
}

.doc-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.doc-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(183, 197, 214, 0.22);
  background: rgba(3, 25, 42, 0.66);
  overflow: hidden;
  scrollbar-gutter: stable both-edges;
}

.doc-content th,
.doc-content td {
  text-align: left;
  border-top: 1px solid rgba(183, 197, 214, 0.18);
  padding: 0.65rem 0.74rem;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.doc-content th {
  border-top: 0;
  font-weight: 650;
  color: #e4f8f1;
  background: rgba(45, 212, 191, 0.13);
}

.doc-content tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}

.home-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(17rem, 0.88fr);
  gap: 1rem;
  margin-bottom: 1.35rem;
  align-items: stretch;
}

.home-hero {
  margin-bottom: 1.05rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(183, 197, 214, 0.25);
  background:
    linear-gradient(132deg, rgba(45, 212, 191, 0.11) 0%, rgba(59, 130, 246, 0.09) 35%, rgba(6, 21, 41, 0.62) 100%);
  padding: clamp(1.18rem, 0.8rem + 1.8vw, 2rem);
}

.hero-kicker {
  margin: 0;
  font-size: 0.77rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: #b5f6eb;
  font-weight: 650;
}

.home-hero h1 {
  margin-top: 0.54rem;
  margin-bottom: 0.72rem;
  max-width: none;
}

.hero-copy {
  margin: 0;
  max-width: 72ch;
  color: #d8e3f0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.58rem 1.07rem;
  font-size: 0.92rem;
  font-weight: 640;
  text-decoration: none;
  line-height: 1;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-hero {
  min-width: clamp(13rem, 24vw, 16.5rem);
  padding: 0.78rem 1.45rem;
  font-size: 1rem;
}

.btn-primary {
  color: #062039;
  background: #9cfbee;
  border-color: rgba(156, 251, 238, 0.92);
  font-weight: 700;
}

.doc-content a.btn-primary,
.doc-content a.btn-primary:visited {
  color: #062039;
}

.btn-primary:hover {
  color: #041a2f;
  background: #bffef4;
}

.doc-content a.btn-primary:hover,
.doc-content a.btn-primary:focus-visible {
  color: #041a2f;
}

.btn-secondary {
  color: #e9f6f4;
  border-color: rgba(183, 197, 214, 0.38);
  background: rgba(255, 255, 255, 0.05);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.88rem;
  margin: 0 0 1.35rem;
}

.feature-card {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(183, 197, 214, 0.24);
  background: var(--surface-primary);
  padding: 1.3rem 1.32rem;
}

.feature-card-layer-1 {
  border-color: rgba(34, 197, 94, 0.32);
  background:
    linear-gradient(150deg, rgba(34, 197, 94, 0.13) 0%, rgba(3, 19, 35, 0.9) 62%);
}

.feature-card-layer-2 {
  border-color: rgba(59, 130, 246, 0.34);
  background:
    linear-gradient(150deg, rgba(59, 130, 246, 0.15) 0%, rgba(3, 19, 35, 0.9) 62%);
}

.feature-card-layer-3 {
  border-color: rgba(45, 212, 191, 0.32);
  background:
    linear-gradient(150deg, rgba(45, 212, 191, 0.13) 0%, rgba(3, 19, 35, 0.9) 62%);
}

.feature-card h2 {
  margin: 0;
  font-size: 1.03rem;
}

.feature-card p {
  margin: 0.72rem 0 0;
  font-size: 0.94rem;
  color: #d3dfed;
}

.home-map {
  margin: 0;
  padding: 1rem;
  background: rgba(4, 23, 39, 0.62);
}

.home-map h2 {
  margin: 0 0 0.72rem;
  font-size: clamp(1.24rem, 1.08rem + 0.6vw, 1.48rem);
}

.home-map .quick-links {
  gap: 0.42rem;
}

.home-map .quick-links a {
  padding: 0.42rem 0.58rem;
  font-size: 0.9rem;
}

.quick-link-group {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(183, 197, 214, 0.2);
  background: var(--surface-secondary);
  padding: 1.12rem 1.12rem;
}

.quick-link-group h2 {
  margin: 0 0 0.9rem;
}

.quick-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.quick-links li {
  margin: 0;
}

.quick-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.48rem 0.62rem;
  border-radius: 9px;
  border: 1px solid rgba(183, 197, 214, 0.2);
  background: rgba(255, 255, 255, 0.02);
  color: #d9eefa;
  text-decoration: none;
  font-weight: 540;
}

.quick-links a::after {
  content: "→";
  color: #b6f8ed;
  flex-shrink: 0;
}

.quick-links a:hover {
  background: rgba(45, 212, 191, 0.14);
  border-color: rgba(45, 212, 191, 0.4);
  color: #f2fcff;
}

.quick-links a:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.doc-toc-rail {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
}

.doc-toc {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--surface-strong);
  padding: 0.75rem 0.72rem;
}

.doc-toc-title {
  margin: 0 0 0.42rem;
  font-size: 0.79rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #b5f6eb;
  font-weight: 670;
}

.doc-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.16rem;
  max-height: calc(100vh - var(--header-height) - 5rem);
  overflow: auto;
  scrollbar-gutter: stable both-edges;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  padding-right: 0.26rem;
}

.doc-toc-list::-webkit-scrollbar {
  width: 10px;
}

.doc-toc-list::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 999px;
}

.doc-toc-list::-webkit-scrollbar-thumb {
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
  background-color: var(--scrollbar-thumb);
}

.doc-toc-list:hover::-webkit-scrollbar-thumb {
  background-color: var(--scrollbar-thumb-hover);
}

.doc-toc-link {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  line-height: 1.35;
  border-radius: 8px;
  padding: 0.37rem 0.45rem;
  transition: color 0.16s ease, background-color 0.16s ease;
}

.doc-toc-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.doc-toc-link[data-level="3"] {
  padding-left: 1.05rem;
  font-size: 0.81rem;
}

.doc-toc-link:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 1px;
}

.doc-toc-link.is-active {
  color: var(--text-main);
  background: rgba(45, 212, 191, 0.16);
}

.doc-toc-rail.is-empty {
  display: none;
}

.site-footer {
  padding: 0.75rem 0 1.35rem;
  color: var(--text-muted);
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(183, 197, 214, 0.2);
  background: rgba(3, 22, 39, 0.45);
  padding: 0.8rem 0.95rem;
}

.footer-shell p {
  margin: 0;
  color: #c3d2e2;
}

.footer-shell p:last-child {
  color: #b5c5d7;
  white-space: nowrap;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .docs-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
  }

  .doc-toc-rail {
    position: static;
    top: auto;
    order: -1;
  }

  .doc-toc {
    padding: 0.62rem;
  }

  .doc-toc-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.36rem;
    max-height: none;
    overflow: visible;
  }

  .doc-toc-link {
    border: 1px solid rgba(183, 197, 214, 0.22);
    background: rgba(255, 255, 255, 0.025);
    padding: 0.3rem 0.55rem;
    font-size: 0.8rem;
  }

  .doc-toc-link[data-level="3"] {
    padding-left: 0.55rem;
    font-size: 0.79rem;
  }

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

  .site-nav {
    gap: 0.38rem;
  }

  .nav-link {
    font-size: 0.9rem;
    padding-inline: 0.74rem;
  }
}

@media (max-width: 980px) {
  .home-top-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
  }

  .home-hero h1,
  .hero-copy {
    max-width: none;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 70px;
  }

  .site-main {
    padding-top: 1.7rem;
  }

  .header-shell {
    flex-wrap: wrap;
    min-height: auto;
    padding: 0.62rem 0;
  }

  body.has-js .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  body.has-js .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(var(--header-height) + 0.4rem);
    display: none;
    margin-top: 0;
    padding: 0.52rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(183, 197, 214, 0.24);
    background: rgba(3, 22, 39, 0.97);
    box-shadow: var(--shadow-soft);
  }

  body.has-js .site-nav.is-open {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }

  body:not(.has-js) .site-nav,
  body.has-js .site-nav:not(.is-open) {
    margin-left: 0;
    width: 100%;
    flex-basis: 100%;
  }

  .nav-link {
    border-radius: 9px;
    padding: 0.58rem 0.78rem;
  }

  .nav-link-accent {
    margin-left: 0;
  }

  .doc-toc-rail {
    display: none;
  }

  .doc-content {
    border-radius: 18px;
  }

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

  .footer-shell {
    flex-direction: column;
    gap: 0.38rem;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(var(--container-width), calc(100% - 1.1rem));
  }

  .site-main {
    padding-bottom: 0.95rem;
  }

  .doc-content {
    padding: 1rem;
  }

  .doc-content h1 {
    font-size: clamp(1.78rem, 1.44rem + 1.8vw, 2.2rem);
  }

  .doc-content h2 {
    margin-top: 2.15rem;
  }

  .btn-hero {
    width: 100%;
    min-width: 0;
  }

  .doc-content table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
  }

  .doc-content pre,
  .doc-content div.highlighter-rouge {
    padding-right: 0;
  }
}

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

  .nav-link,
  .btn,
  .doc-content a,
  .doc-toc-link,
  .reveal {
    transition: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}