.accessibility-studio-page {
  --a11y-accent: #365ddd;
  --a11y-accent-dark: #183693;
  --a11y-ink: #18212d;
  --a11y-muted: #617084;
  --a11y-line: #d4ddeb;
  --a11y-soft: #f2f6fb;
  --a11y-mint: #22aa7b;
  background: linear-gradient(180deg, #f3f6fb 0, #fff 700px);
  color: var(--a11y-ink);
}

.accessibility-studio-page__hero {
  align-items: start;
  gap: clamp(32px, 6vw, 80px);
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.36fr);
  padding-block: clamp(40px, 7vw, 86px);
}

.accessibility-studio-page__hero h1 {
  font-size: clamp(2.35rem, 5.8vw, 5rem);
  letter-spacing: -0.065em;
  line-height: 0.99;
  max-width: 13ch;
}

.accessibility-studio-page__answer {
  color: var(--a11y-muted);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 1.9;
  max-width: 800px;
}

.accessibility-studio-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.accessibility-studio-page__trust {
  display: grid;
  gap: 7px;
  list-style: none;
  margin: 25px 0 0;
  padding: 0;
}

.accessibility-studio-page__trust li {
  color: var(--a11y-muted);
  font-size: 0.78rem;
  padding-left: 18px;
  position: relative;
}

.accessibility-studio-page__trust li::before {
  color: var(--a11y-mint);
  content: "●";
  font-size: 0.54rem;
  left: 0;
  position: absolute;
  top: 0.32em;
}

.accessibility-studio-page__metrics {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--a11y-line);
  border-radius: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(90px, 1fr));
  min-width: 250px;
  overflow: hidden;
  padding: 10px;
}

.accessibility-studio-page__metrics span {
  align-content: center;
  border-bottom: 1px solid var(--a11y-line);
  display: grid;
  gap: 6px;
  min-height: 105px;
  padding: 14px;
}

.accessibility-studio-page__metrics span:nth-child(odd) {
  border-right: 1px solid var(--a11y-line);
}

.accessibility-studio-page__metrics strong {
  font-size: 1.75rem;
  letter-spacing: -0.05em;
}

.accessibility-studio-page__metrics small {
  color: var(--a11y-muted);
  font-size: 0.67rem;
}

.accessibility-studio-page__metrics a {
  grid-column: 1 / -1;
  padding: 11px 4px 3px;
  text-align: center;
}

.accessibility-studio-page__workspace {
  background: #eaf0f7;
  border-block: 1px solid #ced8e7;
  margin-bottom: clamp(56px, 8vw, 106px);
  min-height: 1180px;
  padding: 0;
}

.accessibility-studio-page__workspace-guide {
  align-items: center;
  background: #16202c;
  color: #fff;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 14px clamp(18px, 4vw, 54px);
}

.accessibility-studio-page__workspace-guide p {
  align-items: center;
  display: flex;
  gap: 12px;
  margin: 0;
}

.accessibility-studio-page__workspace-guide strong {
  background: var(--a11y-accent);
  border-radius: 999px;
  flex: 0 0 auto;
  font-size: 0.7rem;
  padding: 6px 9px;
}

.accessibility-studio-page__workspace-guide span {
  color: #d7e0eb;
  font-size: 0.76rem;
  line-height: 1.6;
}

.accessibility-studio-page__workspace-guide a {
  color: #b9caff;
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-weight: 750;
}

.accessibility-studio-page__workspace #devs-tools-app {
  min-height: 1180px;
}

.accessibility-studio-app-frame {
  background: #f4f7fb;
  border: 0;
  display: block;
  height: 1180px;
  width: 100%;
}

.accessibility-studio-page__content > section {
  margin-block: clamp(62px, 9vw, 120px);
}

.accessibility-studio-page__content h2 {
  color: var(--a11y-ink);
  font-size: clamp(1.75rem, 3.5vw, 2.85rem);
  letter-spacing: -0.045em;
  line-height: 1.18;
  margin: 8px 0 30px;
}

.accessibility-studio-page__flow {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.accessibility-studio-page__flow article {
  background: #fff;
  border: 1px solid var(--a11y-line);
  border-radius: 20px;
  min-width: 0;
  padding: 24px;
}

.accessibility-studio-page__flow span,
.accessibility-studio-page__fixture-grid > a > span {
  color: var(--a11y-accent);
  font: 800 0.7rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
}

.accessibility-studio-page__flow h3,
.accessibility-studio-page__fixture-grid h3 {
  font-size: 1.05rem;
  margin: 26px 0 10px;
}

.accessibility-studio-page__flow p,
.accessibility-studio-page__fixture-grid p,
.accessibility-studio-page__note,
.accessibility-studio-page__boundary p {
  color: var(--a11y-muted);
  line-height: 1.75;
  margin: 0;
}

.accessibility-studio-page__boundary {
  align-items: start;
  background: #16202c;
  border-radius: 28px;
  color: #fff;
  display: grid;
  gap: clamp(34px, 6vw, 82px);
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  padding: clamp(30px, 5vw, 64px);
}

.accessibility-studio-page__boundary h2 {
  color: #fff;
}

.accessibility-studio-page__boundary p {
  color: #cbd6e3;
}

.accessibility-studio-page__modes {
  display: grid;
  gap: 10px;
}

.accessibility-studio-page__modes article {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  display: grid;
  gap: 8px;
  padding: 18px;
}

.accessibility-studio-page__modes strong {
  color: #9fb4ff;
}

.accessibility-studio-page__modes span {
  color: #d5deea;
  font-size: 0.82rem;
  line-height: 1.65;
}

.accessibility-studio-page__fixture-grid {
  display: grid;
  gap: 13px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.accessibility-studio-page__fixture-grid a {
  background: #fff;
  border: 1px solid var(--a11y-line);
  border-radius: 18px;
  color: inherit;
  min-height: 190px;
  padding: 21px;
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.accessibility-studio-page__fixture-grid a:hover,
.accessibility-studio-page__fixture-grid a:focus-visible {
  border-color: var(--a11y-accent);
  box-shadow: 0 18px 40px rgba(31, 64, 148, 0.12);
  transform: translateY(-3px);
}

.accessibility-studio-page__fixture-grid h3 {
  margin-top: 24px;
}

.accessibility-studio-page__fixture-grid p {
  font-size: 0.8rem;
}

.accessibility-studio-page__table-wrap {
  border: 1px solid var(--a11y-line);
  border-radius: 18px;
  overflow: auto;
}

.accessibility-studio-page__table-wrap table {
  border-collapse: collapse;
  min-width: 760px;
  width: 100%;
}

.accessibility-studio-page__table-wrap th,
.accessibility-studio-page__table-wrap td {
  border-bottom: 1px solid var(--a11y-line);
  line-height: 1.65;
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
}

.accessibility-studio-page__table-wrap thead th {
  background: var(--a11y-soft);
  color: var(--a11y-muted);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.accessibility-studio-page__table-wrap tbody th {
  min-width: 190px;
}

.accessibility-studio-page__table-wrap td {
  color: var(--a11y-muted);
  font-size: 0.84rem;
}

.accessibility-studio-page__note {
  margin-top: 16px;
}

.accessibility-studio-page__knowledge {
  background: var(--a11y-soft);
  border: 1px solid var(--a11y-line);
  border-radius: 26px;
  padding: clamp(28px, 5vw, 58px);
}

.accessibility-studio-page__knowledge > div {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.accessibility-studio-page__knowledge a {
  background: #fff;
  border: 1px solid var(--a11y-line);
  border-radius: 16px;
  color: inherit;
  display: grid;
  gap: 9px;
  min-width: 0;
  padding: 19px;
  text-decoration: none;
}

.accessibility-studio-page__knowledge strong {
  color: var(--a11y-accent-dark);
}

.accessibility-studio-page__knowledge span {
  color: var(--a11y-muted);
  font-size: 0.76rem;
  line-height: 1.65;
}

.accessibility-studio-page .tools-glossary dl {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.accessibility-studio-page .tools-glossary dl > div {
  background: #fff;
  border: 1px solid var(--a11y-line);
  border-radius: 16px;
  padding: 19px;
}

.accessibility-studio-page .tools-glossary dt {
  color: var(--a11y-ink);
  font-weight: 800;
}

.accessibility-studio-page .tools-glossary dd {
  color: var(--a11y-muted);
  line-height: 1.75;
  margin: 8px 0 0;
}

.accessibility-studio-page__limits {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.accessibility-studio-page__limits > div {
  border: 1px solid var(--a11y-line);
  border-radius: 22px;
  padding: clamp(24px, 4vw, 40px);
}

.accessibility-studio-page__limits h2 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
}

.accessibility-studio-page__limits li {
  color: var(--a11y-muted);
  line-height: 1.8;
  margin-block: 8px;
}

.accessibility-studio-page__faq details {
  border-top: 1px solid var(--a11y-line);
  padding-block: 18px;
}

.accessibility-studio-page__faq details:last-child {
  border-bottom: 1px solid var(--a11y-line);
}

.accessibility-studio-page__faq summary {
  color: var(--a11y-ink);
  cursor: pointer;
  font-weight: 800;
}

.accessibility-studio-page__faq details p {
  color: var(--a11y-muted);
  line-height: 1.8;
  max-width: 850px;
}

.accessibility-studio-page__version {
  border-top: 1px solid var(--a11y-line);
  color: var(--a11y-muted);
  font-size: 0.78rem;
  margin-top: clamp(60px, 9vw, 120px);
  padding-block: 28px 60px;
}

.accessibility-studio-reference-hero {
  align-items: start;
  gap: 42px;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.28fr);
  padding-block: clamp(38px, 7vw, 82px);
}

.accessibility-studio-reference-hero h1 {
  font-size: clamp(2.15rem, 5vw, 4.25rem);
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.accessibility-studio-reference-hero .tool-page__meta {
  background: #fff;
  border: 1px solid var(--a11y-line);
  border-radius: 18px;
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 20px;
}

.accessibility-studio-reference-hero .tool-page__meta span {
  overflow-wrap: anywhere;
}

.accessibility-studio-reference-hero .tool-page__meta strong {
  font-size: 1.7rem;
}

.accessibility-studio-reference-boundary {
  border-left: 3px solid var(--a11y-mint);
  color: var(--a11y-muted);
  font-size: 0.82rem;
  line-height: 1.75;
  margin-top: 20px;
  max-width: 760px;
  padding-left: 14px;
}

.accessibility-studio-reference-nav {
  border-block: 1px solid var(--a11y-line);
  display: flex;
  gap: 4px;
  margin-bottom: 34px;
  overflow-x: auto;
  padding-block: 9px;
}

.accessibility-studio-reference-nav a {
  border-radius: 999px;
  color: var(--a11y-muted);
  flex: 0 0 auto;
  font-size: 0.78rem;
  font-weight: 750;
  padding: 9px 13px;
  text-decoration: none;
}

.accessibility-studio-reference-nav a[aria-current="page"] {
  background: var(--a11y-accent);
  color: #fff;
}

.accessibility-studio-reference-grid {
  display: grid;
  gap: 13px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.accessibility-studio-reference-card {
  background: #fff;
  border: 1px solid var(--a11y-line);
  border-radius: 18px;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 238px;
  min-width: 0;
  padding: 22px;
  text-decoration: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.accessibility-studio-reference-card:hover,
.accessibility-studio-reference-card:focus-visible {
  border-color: var(--a11y-accent);
  box-shadow: 0 18px 44px rgba(31, 64, 148, 0.12);
  transform: translateY(-3px);
}

.accessibility-studio-reference-card > span {
  color: var(--a11y-accent);
  font: 800 0.67rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
}

.accessibility-studio-reference-card h2 {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  margin: 24px 0 10px;
}

.accessibility-studio-reference-card p {
  color: var(--a11y-muted);
  font-size: 0.8rem;
  line-height: 1.7;
  margin: 0 0 20px;
}

.accessibility-studio-reference-card small {
  color: var(--a11y-muted);
  font-size: 0.67rem;
  margin-top: auto;
}

.accessibility-studio-reference-explainer {
  background: #16202c;
  border-radius: 24px;
  color: #fff;
  margin-block: clamp(60px, 9vw, 110px);
  padding: clamp(28px, 5vw, 54px);
}

.accessibility-studio-reference-explainer h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.accessibility-studio-reference-explainer p:last-child {
  color: #cbd6e3;
  line-height: 1.85;
  max-width: 900px;
}

.accessibility-studio-reference-detail {
  display: grid;
  gap: clamp(32px, 5vw, 70px);
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.3fr);
  padding-bottom: clamp(70px, 10vw, 130px);
}

.accessibility-studio-reference-detail article > section {
  border-top: 1px solid var(--a11y-line);
  padding-block: clamp(34px, 5vw, 58px);
}

.accessibility-studio-reference-detail article > section:first-child {
  border-top: 0;
  padding-top: 0;
}

.accessibility-studio-reference-detail h2 {
  font-size: clamp(1.55rem, 3vw, 2.4rem);
}

.accessibility-studio-reference-detail p,
.accessibility-studio-reference-detail li {
  color: var(--a11y-muted);
  line-height: 1.85;
}

.accessibility-studio-reference-detail li + li {
  margin-top: 9px;
}

.accessibility-studio-reference-facts {
  display: grid;
  gap: 1px;
}

.accessibility-studio-reference-facts > div {
  background: var(--a11y-soft);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  padding: 16px 18px;
}

.accessibility-studio-reference-facts dt {
  color: var(--a11y-ink);
  font-size: 0.78rem;
  font-weight: 800;
}

.accessibility-studio-reference-facts dd {
  color: var(--a11y-muted);
  line-height: 1.7;
  margin: 0;
  overflow-wrap: anywhere;
}

.accessibility-studio-reference-example > div {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.accessibility-studio-reference-example article {
  background: var(--a11y-soft);
  border: 1px solid var(--a11y-line);
  border-radius: 16px;
  padding: 20px;
}

.accessibility-studio-reference-example article:last-child {
  border-color: #92cfb9;
}

.accessibility-studio-reference-detail > aside {
  align-self: start;
  background: #fff;
  border: 1px solid var(--a11y-line);
  border-radius: 20px;
  display: grid;
  gap: 10px;
  padding: 22px;
  position: sticky;
  top: 24px;
}

.accessibility-studio-reference-detail > aside h2 {
  font-size: 1rem;
  margin: 0 0 10px;
}

.accessibility-studio-reference-detail > aside dl {
  margin: 0 0 10px;
}

.accessibility-studio-reference-detail > aside dl > div {
  border-top: 1px solid var(--a11y-line);
  display: grid;
  gap: 8px;
  grid-template-columns: 74px minmax(0, 1fr);
  padding-block: 11px;
}

.accessibility-studio-reference-detail > aside dt {
  color: var(--a11y-muted);
  font-size: 0.68rem;
}

.accessibility-studio-reference-detail > aside dd {
  font-size: 0.75rem;
  margin: 0;
  overflow-wrap: anywhere;
}

@media (max-width: 1120px) {
  .accessibility-studio-page__fixture-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .accessibility-studio-page__knowledge > div {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .accessibility-studio-page__hero,
  .accessibility-studio-page__boundary,
  .accessibility-studio-page__limits,
  .accessibility-studio-reference-hero,
  .accessibility-studio-reference-detail {
    grid-template-columns: 1fr;
  }

  .accessibility-studio-page__hero h1 {
    font-size: clamp(2.15rem, 11vw, 3.5rem);
  }

  .accessibility-studio-page__metrics {
    min-width: 0;
    width: 100%;
  }

  .accessibility-studio-page__workspace-guide,
  .accessibility-studio-page__workspace-guide p {
    align-items: flex-start;
    flex-direction: column;
  }

  .accessibility-studio-page__workspace-guide {
    gap: 10px;
  }

  .accessibility-studio-page__flow,
  .accessibility-studio-page__fixture-grid,
  .accessibility-studio-page__knowledge > div,
  .accessibility-studio-page .tools-glossary dl,
  .accessibility-studio-reference-grid,
  .accessibility-studio-reference-example > div {
    grid-template-columns: 1fr;
  }

  .accessibility-studio-page__fixture-grid a {
    min-height: 0;
  }

  .accessibility-studio-page__workspace,
  .accessibility-studio-page__workspace #devs-tools-app {
    min-height: 1040px;
  }

  .accessibility-studio-app-frame {
    height: 1040px;
  }

  .accessibility-studio-reference-facts > div {
    gap: 6px;
    grid-template-columns: 1fr;
  }

  .accessibility-studio-reference-detail > aside {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  .accessibility-studio-page__fixture-grid a {
    transition: none;
  }

  .accessibility-studio-page__fixture-grid a:hover,
  .accessibility-studio-page__fixture-grid a:focus-visible,
  .accessibility-studio-reference-card:hover,
  .accessibility-studio-reference-card:focus-visible {
    transform: none;
  }
}