:root {
  color-scheme: dark light;
  --bg: #080a08;
  --bg-raised: #0e120f;
  --surface: #141915;
  --surface-strong: #1a211b;
  --ink: #f0f4ef;
  --ink-soft: #a7b0a6;
  --ink-faint: #737c73;
  --line: rgba(240, 244, 239, 0.1);
  --line-strong: rgba(240, 244, 239, 0.18);
  --accent: oklch(0.77 0.176 152);
  --accent-soft: oklch(0.84 0.12 152);
  --accent-wash: oklch(0.45 0.1 152 / 0.2);
  --accent-ink: #04180c;
  --warn: oklch(0.82 0.12 82);
  --warn-wash: oklch(0.34 0.05 82 / 0.58);
  --danger: oklch(0.74 0.14 25);
  --danger-wash: oklch(0.31 0.06 25 / 0.55);
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, "Cascadia Mono", monospace;
  --page: 1320px;
  --gutter: clamp(18px, 3vw, 40px);
  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 8px;
  --r-pill: 999px;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5f0;
    --bg-raised: #eef1eb;
    --surface: #ffffff;
    --surface-strong: #e8ede5;
    --ink: #121712;
    --ink-soft: #526052;
    --ink-faint: #758075;
    --line: rgba(18, 23, 18, 0.11);
    --line-strong: rgba(18, 23, 18, 0.2);
    --accent: oklch(0.58 0.17 152);
    --accent-soft: oklch(0.52 0.15 152);
    --accent-wash: oklch(0.86 0.09 152 / 0.46);
    --accent-ink: #f6fff8;
    --warn: oklch(0.5 0.12 82);
    --warn-wash: oklch(0.91 0.07 82 / 0.58);
    --danger: oklch(0.55 0.16 25);
    --danger-wash: oklch(0.92 0.06 25 / 0.58);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(50vw 35vw at 9% -8%, oklch(0.42 0.09 152 / 0.22), transparent 70%),
    var(--bg);
  color: var(--ink);
  font: 400 16px/1.68 var(--sans);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--accent-soft);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--ink);
}

button,
summary {
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: var(--accent-wash);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 9px 13px;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--accent-ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}

.topbar__inner {
  width: min(100%, var(--page));
  min-height: 64px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 720;
  letter-spacing: -0.025em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand img {
  width: 26px;
  height: 26px;
}

.brand__divider {
  width: 1px;
  height: 20px;
  margin-left: 4px;
  background: var(--line-strong);
}

.brand__docs {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 520;
  letter-spacing: 0;
  text-transform: none;
}

.topbar__links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar__links a {
  padding: 8px 12px;
  border-radius: var(--r-pill);
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
}

.topbar__links a:hover {
  background: var(--surface);
  color: var(--ink);
}

.topbar__links .topbar__cta {
  border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
  color: var(--accent-soft);
}

.doc-layout {
  width: min(100%, var(--page));
  margin: 0 auto;
  padding: 38px var(--gutter) 90px;
  display: grid;
  grid-template-columns: 220px minmax(0, 780px) minmax(140px, 1fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}

.sidebar,
.on-this-page {
  position: sticky;
  top: 102px;
}

.side-group + .side-group {
  margin-top: 26px;
}

.side-label,
.toc-label,
.meta-label {
  margin: 0 0 8px;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.side-nav,
.toc-nav {
  display: grid;
  gap: 2px;
}

.side-nav a,
.toc-nav a {
  border-radius: var(--r-sm);
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.35;
  text-decoration: none;
}

.side-nav a {
  padding: 7px 10px;
}

.side-nav a:hover,
.side-nav a[aria-current="page"] {
  background: var(--surface);
  color: var(--ink);
}

.side-nav a[aria-current="page"] {
  box-shadow: inset 2px 0 0 var(--accent);
}

.toc-nav a {
  position: relative;
  padding: 5px 0 5px 14px;
}

.toc-nav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 5px;
  height: 1px;
  background: var(--line-strong);
}

.toc-nav a:hover::before {
  background: var(--accent);
}

.mobile-browse {
  display: none;
}

.doc-main {
  min-width: 0;
}

.doc-main--wide {
  grid-column: 2 / 4;
}

.page-head {
  padding: 18px 0 38px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin: 0 0 16px;
  color: var(--accent-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-weight: 650;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 16ch;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.98;
}

.article h1 {
  max-width: 19ch;
  font-size: clamp(38px, 5vw, 58px);
  line-height: 1.02;
}

h2 {
  margin-top: 58px;
  scroll-margin-top: 92px;
  font-size: clamp(27px, 3.2vw, 36px);
  line-height: 1.08;
}

h3 {
  margin-top: 34px;
  scroll-margin-top: 92px;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p,
ul,
ol,
blockquote {
  color: var(--ink-soft);
}

.lead {
  max-width: 56ch;
  margin: 20px 0 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
}

.article > p,
.article > ul,
.article > ol,
.article section > p,
.article section > ul,
.article section > ol {
  max-width: 70ch;
}

.article p,
.article li {
  font-size: 16px;
}

.article h2 + p,
.article h3 + p {
  margin-top: 14px;
}

.article li + li {
  margin-top: 8px;
}

.article strong {
  color: var(--ink);
}

.article code,
kbd {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--ink);
  font: 500 0.88em/1.5 var(--mono);
}

.article code {
  padding: 2px 5px;
}

kbd {
  padding: 3px 7px;
  box-shadow: 0 2px 0 var(--line);
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 26px;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-hero {
  min-height: min(660px, calc(100dvh - 104px));
  padding: clamp(34px, 6vw, 76px) 0 70px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(390px, 1.05fr);
  gap: clamp(34px, 6vw, 80px);
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.home-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.home-hero h1 {
  max-width: 11ch;
}

.home-hero__visual {
  position: relative;
  margin: 0;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: calc(var(--r-lg) + 7px);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.26);
}

.home-hero__visual img {
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
}

.visual-caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  margin: 0;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-pill);
  background: rgba(5, 8, 6, 0.76);
  color: #c8d2c8;
  font: 600 9px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  transition: transform 0.35s var(--ease), background-color 0.35s var(--ease);
}

.button:hover {
  background: var(--surface);
  color: var(--ink);
  transform: translateY(-2px);
}

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

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

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.status-strip p {
  margin: 0;
  font-size: 13px;
}

.status-strip strong {
  margin-right: 7px;
  color: var(--ink);
}

.home-section {
  padding-top: 70px;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(280px, 1fr);
  gap: 30px;
  align-items: end;
  margin-bottom: 30px;
}

.section-intro h2 {
  margin: 0;
}

.section-intro p {
  margin: 0;
  max-width: 56ch;
}

.route-map {
  border-top: 1px solid var(--line-strong);
}

.route-step {
  display: grid;
  grid-template-columns: 54px minmax(180px, 0.7fr) minmax(260px, 1fr) auto;
  gap: 22px;
  align-items: center;
  min-height: 112px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.route-step:hover {
  background: linear-gradient(90deg, transparent, var(--accent-wash));
  color: inherit;
}

.route-step__number {
  color: var(--accent-soft);
  font: 600 12px/1 var(--mono);
  letter-spacing: 0.12em;
}

.route-step h3 {
  margin: 0;
  font-size: 20px;
}

.route-step p {
  margin: 0;
  font-size: 14px;
}

.route-step__arrow {
  color: var(--ink-faint);
  font-size: 22px;
}

.guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  gap: 14px;
}

.guide-card {
  position: relative;
  min-height: 190px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--surface) 70%, transparent));
  color: inherit;
  text-decoration: none;
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

.guide-card:hover {
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line));
  color: inherit;
  transform: translateY(-3px);
}

.guide-card--primary {
  min-height: 394px;
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    radial-gradient(circle at 72% 18%, var(--accent-wash), transparent 38%),
    var(--surface);
}

.guide-card .meta-label {
  color: var(--accent-soft);
}

.guide-card h3 {
  max-width: 22ch;
  margin: 8px 0 10px;
  font-size: clamp(22px, 3vw, 31px);
}

.guide-card p {
  max-width: 50ch;
  margin: 0;
  font-size: 14px;
}

.guide-card__arrow {
  position: absolute;
  top: 24px;
  right: 26px;
  color: var(--ink-faint);
  font-size: 20px;
}

.callout {
  margin: 28px 0;
  padding: 22px 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: var(--surface);
}

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

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

.callout strong:first-child {
  display: block;
  margin-bottom: 5px;
}

.callout--note {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  background: var(--accent-wash);
}

.callout--warning {
  border-color: color-mix(in srgb, var(--warn) 42%, transparent);
  background: var(--warn-wash);
}

.callout--danger {
  border-color: color-mix(in srgb, var(--danger) 44%, transparent);
  background: var(--danger-wash);
}

.callout--warning strong:first-child {
  color: var(--warn);
}

.callout--danger strong:first-child {
  color: var(--danger);
}

.steps-list {
  margin: 26px 0;
  padding: 0;
  list-style: none;
  counter-reset: docs-step;
  border-top: 1px solid var(--line);
}

.steps-list > li {
  position: relative;
  min-height: 92px;
  padding: 20px 10px 20px 62px;
  border-bottom: 1px solid var(--line);
  counter-increment: docs-step;
}

.steps-list > li::before {
  content: counter(docs-step, decimal-leading-zero);
  position: absolute;
  left: 8px;
  top: 23px;
  color: var(--accent-soft);
  font: 650 11px/1 var(--mono);
  letter-spacing: 0.12em;
}

.steps-list strong {
  display: block;
  margin-bottom: 4px;
}

.steps-list p {
  margin: 0;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0;
  padding: 1px;
  border-radius: var(--r-md);
  background: var(--line);
  overflow: hidden;
}

.feature-list > div {
  min-height: 140px;
  padding: 22px;
  background: var(--surface);
}

.feature-list h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.feature-list p {
  margin: 0;
  font-size: 14px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0;
}

.flow__step {
  position: relative;
  min-height: 128px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
}

.flow__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -12px;
  top: 49px;
  z-index: 2;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
  color: var(--accent-soft);
  text-align: center;
  line-height: 21px;
}

.flow__step strong {
  display: block;
  margin-bottom: 7px;
  font-size: 14px;
}

.flow__step p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
}

.data-table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--ink);
  font-size: 12px;
}

.data-table td {
  color: var(--ink-soft);
}

.data-table tbody tr:hover {
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.check-list,
.plain-list {
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  position: relative;
  padding: 10px 0 10px 27px;
  border-bottom: 1px solid var(--line);
}

.check-list li::before,
.plain-list li::before {
  position: absolute;
  left: 0;
  color: var(--accent-soft);
}

.check-list li::before {
  content: "✓";
}

.plain-list li::before {
  content: "";
  top: 21px;
  width: 10px;
  height: 1px;
  background: var(--accent);
}

.faq-list {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 20px 40px 20px 0;
  color: var(--ink);
  font-weight: 620;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  color: var(--accent-soft);
  font: 500 20px/1 var(--mono);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details > div {
  max-width: 66ch;
  padding: 0 40px 20px 0;
  color: var(--ink-soft);
}

.faq-list details p {
  margin: 0;
}

.page-next {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-next a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: end;
  color: inherit;
  text-decoration: none;
}

.page-next span {
  display: block;
  margin-bottom: 4px;
  color: var(--ink-faint);
  font: 600 10px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-next strong {
  color: var(--ink);
  font-size: 20px;
}

.page-next b {
  color: var(--accent-soft);
  font-size: 24px;
}

.docs-footer {
  margin-top: 80px;
  padding: 30px 0 0;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 12.5px;
}

.docs-footer p {
  margin: 0;
}

@media (max-width: 1080px) {
  .doc-layout {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .doc-main--wide {
    grid-column: auto;
  }

  .on-this-page {
    display: none;
  }

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

  .home-hero__copy {
    max-width: 720px;
  }

  .home-hero__visual {
    max-width: 760px;
  }
}

@media (max-width: 760px) {
  body {
    background: var(--bg);
  }

  .topbar__inner {
    min-height: 58px;
  }

  .topbar__links a:not(.topbar__cta) {
    display: none;
  }

  .brand__divider,
  .brand__docs {
    display: none;
  }

  .doc-layout {
    display: block;
    padding-top: 18px;
  }

  .sidebar {
    display: none;
  }

  .mobile-browse {
    display: block;
    margin-bottom: 30px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--surface);
  }

  .mobile-browse summary {
    padding: 13px 16px;
    color: var(--ink);
    cursor: pointer;
    font-size: 14px;
    font-weight: 620;
  }

  .mobile-browse__links {
    padding: 0 8px 10px;
  }

  .mobile-browse__links a {
    display: block;
    padding: 8px;
    border-radius: var(--r-sm);
    color: var(--ink-soft);
    font-size: 13.5px;
    text-decoration: none;
  }

  .mobile-browse__links a[aria-current="page"] {
    background: var(--accent-wash);
    color: var(--ink);
  }

  .home-hero {
    min-height: 0;
    padding-top: 24px;
  }

  .home-hero__visual {
    padding: 4px;
    border-radius: 19px;
  }

  .home-hero__visual img {
    border-radius: var(--r-md);
  }

  .section-intro,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .guide-card--primary {
    min-height: 300px;
    grid-row: auto;
  }

  .route-step {
    grid-template-columns: 42px 1fr auto;
    gap: 12px;
  }

  .route-step p {
    grid-column: 2 / 4;
  }

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

  .flow__step:not(:last-child)::after {
    content: "↓";
    left: 50%;
    right: auto;
    top: auto;
    bottom: -17px;
    transform: translateX(-50%);
  }

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

@media (max-width: 430px) {
  .topbar__cta {
    padding-inline: 10px !important;
  }

  h1 {
    font-size: 40px;
  }

  .article h1 {
    font-size: 36px;
  }

  .route-step {
    padding-inline: 0;
  }

  .guide-card,
  .callout {
    padding: 20px;
  }
}

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

  .button,
  .guide-card {
    transition: none;
  }
}

@media print {
  .topbar,
  .sidebar,
  .on-this-page,
  .mobile-browse,
  .page-next {
    display: none;
  }

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

  .doc-layout {
    display: block;
    width: auto;
    padding: 0;
  }

  .doc-main,
  .article {
    max-width: none;
  }
}