@import url("./tokens.css");

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

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 18rem;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  overflow-wrap: break-word;
}

:lang(de),
:lang(fr),
:lang(es),
:lang(pt) {
  hyphens: auto;
}

:lang(zh-CN) {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC",
    var(--font-sans);
}

:lang(zh-Hant) {
  font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans CJK TC",
    var(--font-sans);
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(rgb(13 89 96 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(13 89 96 / 4%) 1px, transparent 1px);
  background-size: 2rem 2rem;
  content: "";
  pointer-events: none;
}

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

a {
  color: var(--color-brand);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-brand-strong);
}

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

:focus-visible {
  outline: 0.2rem solid var(--color-focus);
  outline-offset: 0.2rem;
}

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

h1,
h2,
h3 {
  font-weight: 690;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 16ch;
  margin-bottom: var(--space-5);
  font-size: var(--step-4);
}

h2 {
  margin-bottom: var(--space-5);
  font-size: var(--step-3);
}

h3 {
  margin-bottom: var(--space-3);
  font-size: var(--step-1);
}

p {
  margin-bottom: var(--space-4);
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  transform: translateY(-180%);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-canvas);
  font-weight: 700;
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-canvas-raised) 92%, transparent);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 4.6rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ink);
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  background: var(--color-brand);
  box-shadow: 0.22rem 0.22rem 0 var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
  font-size: var(--step--1);
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--color-brand-soft);
  color: var(--color-brand-strong);
}

.nav-toggle {
  display: none;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.language-picker {
  position: relative;
  margin-left: auto;
}

.language-picker summary {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
  font-size: var(--step--1);
  font-weight: 700;
  list-style: none;
}

.language-picker summary::-webkit-details-marker {
  display: none;
}

.language-picker summary::after {
  color: var(--color-brand);
  content: "▾";
}

.language-menu {
  position: absolute;
  z-index: 30;
  top: calc(100% + var(--space-2));
  right: 0;
  display: grid;
  width: min(16rem, calc(100vw - 2rem));
  gap: var(--space-1);
  margin: 0;
  padding: var(--space-2);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
  list-style: none;
}

.language-menu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: var(--step--1);
  font-weight: 620;
  text-decoration: none;
}

.language-menu a:hover,
.language-menu a[aria-current="true"] {
  background: var(--color-brand-soft);
  color: var(--color-brand-strong);
}

.section {
  padding-block: var(--space-8);
}

.section-compact {
  padding-block: var(--space-7);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6.5rem);
  min-height: calc(100vh - 4.6rem);
  padding-block: var(--space-7);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--color-brand);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 2rem;
  height: 2px;
  background: var(--color-accent);
  content: "";
}

.lede {
  max-width: 62ch;
  color: var(--color-ink-soft);
  font-size: var(--step-1);
}

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

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.68rem 1rem;
  border: 1px solid var(--color-brand);
  border-radius: var(--radius-sm);
  background: var(--color-brand);
  color: #fff;
  font-weight: 720;
  text-decoration: none;
}

.button:hover {
  background: var(--color-brand-strong);
  color: #fff;
}

.button-secondary {
  border-color: var(--color-line-strong);
  background: transparent;
  color: var(--color-ink);
}

.button-secondary:hover {
  background: var(--color-surface-muted);
  color: var(--color-ink);
}

.product-spotlight {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
}

.product-spotlight::before {
  display: block;
  height: 0.45rem;
  background: var(--color-brand);
  content: "";
}

.spotlight-top,
.spotlight-body,
.spotlight-footer {
  padding: var(--space-5);
}

.spotlight-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.product-id {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--step--1);
}

.spotlight-body h2 {
  margin-bottom: var(--space-3);
  font-size: var(--step-2);
}

.spotlight-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border-top: 1px solid var(--color-line);
  background: var(--color-canvas-raised);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 720;
}

.text-link::after {
  content: "→";
}

.status {
  display: inline-flex;
  min-height: 1.8rem;
  align-items: center;
  gap: var(--space-2);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.02em;
}

.status::before {
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.status-development {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.status-planned {
  background: var(--color-planned-soft);
  color: var(--color-planned);
}

.status-available {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  margin: var(--space-5) 0 0;
}

.meta-list div {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
}

.meta-list dt {
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.meta-list dd {
  margin: var(--space-1) 0 0;
  font-weight: 700;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.section-heading h2,
.section-heading p {
  margin-bottom: 0;
}

.section-heading p {
  max-width: 42rem;
  color: var(--color-ink-soft);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.card {
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-canvas-raised);
}

.card-number {
  display: block;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 760;
}

.card p:last-child {
  margin-bottom: 0;
}

.notice {
  padding: var(--space-5);
  border: 1px solid var(--color-line-strong);
  border-left: 0.35rem solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
}

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

.page-hero {
  padding-block: var(--space-8) var(--space-7);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas-raised);
}

.page-hero h1 {
  margin-bottom: var(--space-4);
}

.page-hero .lede {
  margin-bottom: 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  padding: 0;
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: var(--space-2);
  color: var(--color-line-strong);
  content: "/";
}

.breadcrumbs a {
  color: inherit;
}

.hero-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.product-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.product-card {
  display: flex;
  min-height: 22rem;
  flex-direction: column;
  padding: var(--space-6);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
}

.product-card-muted {
  border-style: dashed;
  background: var(--color-canvas-raised);
  box-shadow: none;
}

.product-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}

.product-card h2 {
  margin-bottom: var(--space-3);
  font-size: var(--step-2);
}

.product-card .text-link {
  margin-top: auto;
  padding-top: var(--space-5);
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 20rem);
  align-items: start;
  gap: clamp(2rem, 6vw, 5rem);
}

.content-layout-reverse {
  grid-template-columns: minmax(15rem, 20rem) minmax(0, 1fr);
}

.stack > * + * {
  margin-top: var(--space-5);
}

.stack-large > * + * {
  margin-top: var(--space-7);
}

.aside-card {
  position: sticky;
  top: 6rem;
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-canvas-raised);
}

.aside-card h2,
.aside-card h3 {
  font-size: var(--step-1);
}

.aside-links {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.aside-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink);
  font-weight: 650;
  text-decoration: none;
}

.aside-links li:last-child a {
  border-bottom: 0;
}

.aside-links a::after {
  color: var(--color-brand);
  content: "→";
}

.plain-list,
.check-list {
  padding-left: 1.25rem;
}

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

.check-list {
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.7rem;
}

.check-list li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid var(--color-brand);
  background: var(--color-brand-soft);
  content: "";
}

.definition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  margin: 0;
}

.definition-grid div {
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-canvas-raised);
}

.definition-grid dt {
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 760;
}

.definition-grid dd {
  margin: 0;
  color: var(--color-ink-soft);
}

.release-card {
  overflow: hidden;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
}

.release-card-header,
.release-card-body,
.release-card-footer {
  padding: var(--space-5) var(--space-6);
}

.release-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.release-card-header h2 {
  margin: 0;
  font-size: var(--step-2);
}

.release-card-footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-canvas-raised);
}

.release-card-footer p {
  margin: 0;
  color: var(--color-ink-soft);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

th,
td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-canvas-raised);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.02em;
}

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

.link-panel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.language-entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.link-panel {
  display: flex;
  min-height: 12rem;
  flex-direction: column;
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-canvas-raised);
  color: var(--color-ink);
  text-decoration: none;
}

.link-panel:hover {
  border-color: var(--color-brand);
  color: var(--color-ink);
}

.link-panel span {
  margin-top: auto;
  padding-top: var(--space-4);
  color: var(--color-brand);
  font-weight: 720;
}

.details-list {
  border-top: 1px solid var(--color-line-strong);
}

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

.details-list summary {
  display: flex;
  min-height: 4.25rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-4);
  cursor: pointer;
  font-size: var(--step-1);
  font-weight: 680;
  list-style: none;
}

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

.details-list summary::after {
  color: var(--color-brand);
  font-family: var(--font-mono);
  content: "+";
}

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

.details-list details > div {
  max-width: 70ch;
  padding-bottom: var(--space-5);
  color: var(--color-ink-soft);
}

.details-list details > div > :last-child {
  margin-bottom: 0;
}

.prose {
  max-width: 72ch;
}

.prose h2 {
  margin-top: var(--space-7);
  font-size: var(--step-2);
}

.prose h3 {
  margin-top: var(--space-6);
}

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

.route-label {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  font-family: var(--font-mono);
  font-size: 0.78em;
}

.not-found {
  display: grid;
  min-height: calc(100vh - 4.6rem);
  place-items: center;
  padding-block: var(--space-8);
}

.not-found-inner {
  max-width: 44rem;
  padding: clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-raised);
}

.error-code {
  margin-bottom: var(--space-4);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 760;
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-canvas-raised);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-6);
  padding-block: var(--space-6);
}

.footer-inner p {
  margin-bottom: 0;
  color: var(--color-ink-soft);
  font-size: var(--step--1);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: start;
}

.footer-links a {
  color: var(--color-ink-soft);
  font-size: var(--step--1);
}

@media (max-width: 58rem) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: var(--space-8);
  }

  .hero-copy {
    max-width: 46rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    display: block;
  }

  .section-heading h2 {
    margin-bottom: var(--space-3);
  }

  .content-layout,
  .content-layout-reverse {
    grid-template-columns: 1fr;
  }

  .content-layout-reverse > :first-child {
    order: 2;
  }

  .aside-card {
    position: static;
  }

  .link-panel-grid {
    grid-template-columns: 1fr;
  }

  .language-entry-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 48rem) {
  .header-inner {
    flex-wrap: wrap;
    gap: var(--space-3);
    padding-block: var(--space-3);
  }

  .js .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
  }

  .language-picker {
    margin-left: 0;
  }

  .site-nav ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .js .site-nav[data-open="false"] {
    display: none;
  }

  .site-nav a {
    justify-content: center;
    border: 1px solid var(--color-line);
    background: var(--color-surface);
  }

  .section {
    padding-block: var(--space-7);
  }

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

  .product-card-grid,
  .definition-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 34rem) {
  .container {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

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

  .spotlight-top,
  .spotlight-footer,
  .product-card-head,
  .release-card-header {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .brand-mark,
  .status,
  .button {
    forced-color-adjust: none;
  }
}