:root {
  --rsql-ink: #18181b;
  --rsql-muted: #62605b;
  --rsql-paper: #fffefa;
  --rsql-surface: #f7f6f2;
  --rsql-line: #dedbd3;
  --rsql-accent: #f6c453;
  --rsql-accent-strong: #e9ad22;
  --rsql-accent-soft: #fff5cf;
  --rsql-band: #f6c453;
  --rsql-code: #101114;
  --rsql-code-line: #34363d;
  --rsql-code-surface: #1b1c20;
  --rsql-code-muted: #a8a8a3;
}

.dark {
  --rsql-ink: #fafafa;
  --rsql-muted: #b8b2a7;
  --rsql-paper: #0b1020;
  --rsql-surface: #131827;
  --rsql-line: #343341;
  --rsql-accent: #f6c453;
  --rsql-accent-strong: #ffd76a;
  --rsql-accent-soft: #2a2b30;
  --rsql-band: #f6c453;
  --rsql-code: #0c0d10;
  --rsql-code-line: #34363d;
  --rsql-code-surface: #1b1c20;
  --rsql-code-muted: #a8a8a3;
}

.rsql-home-page {
  background: var(--rsql-paper);
}

.rsql-home-page .fibel-app > div:first-of-type {
  display: block;
  max-width: none;
}

.rsql-home-page .fibel-sidebar,
.rsql-home-page [data-sidebar-backdrop] {
  display: none;
}

.rsql-home-page main {
  padding: 0;
}

.rsql-home-page article {
  max-width: none;
}

.rsql-home-page article > div:first-child,
.rsql-home-page article > nav,
.rsql-home-page .fibel-prose + * {
  display: none;
}

.rsql-home-page [data-nav-toggle] {
  display: none;
}

.rsql-home-page .fibel-topbar a[href="/en"] > span {
  color: var(--rsql-ink);
}

.rsql-home-page .fibel-prose {
  color: var(--rsql-ink);
  font-family: "Aptos", "Segoe UI Variable Text", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

.rsql-home-page .fibel-prose > * + * {
  margin-top: 0;
}

.rsql-home-page .fibel-prose a {
  color: inherit;
  text-decoration: none;
}

.rsql-home {
  overflow: hidden;
}

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

.rsql-home-shell {
  width: min(100% - 2.5rem, 76rem);
  margin-inline: auto;
}

.rsql-kicker {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
  color: var(--rsql-ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rsql-kicker::before {
  width: 0.65rem;
  height: 0.2rem;
  flex: 0 0 auto;
  background: var(--rsql-accent);
  content: "";
}

.rsql-hero {
  padding: clamp(4rem, 8vw, 7.5rem) 0 clamp(4.5rem, 8vw, 7rem);
}

.rsql-hero-grid {
  display: grid;
  gap: 3.5rem;
  align-items: center;
}

.rsql-hero h1 {
  max-width: 10ch;
  margin: 0;
  color: var(--rsql-ink);
  font-family: "Aptos Display", "Segoe UI Variable Display", sans-serif;
  font-size: clamp(3.15rem, 7.5vw, 6.1rem);
  font-weight: 650;
  letter-spacing: -0.065em;
  line-height: 0.94;
}

.rsql-hero-copy {
  max-width: 39rem;
  margin: 1.7rem 0 0;
  color: var(--rsql-muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.65;
}

.rsql-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.rsql-action {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rsql-line);
  border-radius: 0.4rem;
  padding: 0.72rem 1.05rem;
  background: transparent;
  color: var(--rsql-ink);
  font-weight: 680;
  transition:
    border-color 140ms ease,
    background 140ms ease,
    color 140ms ease;
}

.rsql-action:hover {
  border-color: var(--rsql-accent);
  background: var(--rsql-accent-soft);
}

.rsql-action:focus-visible,
.rsql-home-page .fibel-prose .rsql-code-copy a:focus-visible,
.rsql-home-page .fibel-prose .rsql-proof-context a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--rsql-accent) 38%, transparent);
  outline-offset: 3px;
}

.rsql-home-page .fibel-prose .rsql-action-primary {
  border-color: var(--rsql-accent);
  background: var(--rsql-accent);
  color: #18181b;
}

.rsql-home-page .fibel-prose .rsql-action-primary:hover {
  border-color: var(--rsql-accent-strong);
  background: var(--rsql-accent-strong);
}

.rsql-trace {
  overflow: hidden;
  border: 1px solid var(--rsql-code-line);
  border-radius: 0.55rem;
  background: var(--rsql-code);
  box-shadow: 0 1.5rem 4rem rgb(3 28 38 / 0.12);
  color: #f4f4f5;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.dark .rsql-trace {
  box-shadow: none;
}

.rsql-trace-head,
.rsql-trace-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  color: var(--rsql-code-muted);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rsql-trace-head {
  border-bottom: 1px solid var(--rsql-code-line);
}

.rsql-trace-head code,
.rsql-trace-foot strong {
  color: #81d2ad;
  font: inherit;
  letter-spacing: 0;
  text-transform: none;
}

.rsql-home-page .fibel-prose .rsql-trace code {
  border: 1px solid var(--rsql-code-line);
  border-radius: 0.25rem;
  padding: 0.16rem 0.35rem;
  background: var(--rsql-code-surface);
  color: #f6c453;
}

.rsql-home-page .fibel-prose .rsql-trace-head code {
  color: #81d2ad;
}

.rsql-trace-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rsql-trace-steps li {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  gap: 0.85rem;
  align-items: center;
  padding: 1.05rem 1rem;
}

.rsql-trace-steps li + li {
  border-top: 1px solid var(--rsql-code-line);
}

.rsql-trace-index {
  color: #92939a;
  font-size: 0.68rem;
}

.rsql-trace-steps small,
.rsql-trace-steps strong {
  display: block;
}

.rsql-trace-steps small {
  color: var(--rsql-code-muted);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rsql-trace-steps strong {
  margin-top: 0.14rem;
  color: #f4f4f5;
  font-family: "Aptos", "Segoe UI Variable Text", sans-serif;
  font-size: 0.9rem;
}

.rsql-trace-steps code {
  color: #f6c453;
  font-size: 0.75rem;
}

.rsql-trace-foot {
  border-top: 1px solid var(--rsql-code-line);
  background: var(--rsql-code-surface);
  text-transform: none;
}

.rsql-proof {
  padding: 4.5rem 0 3.7rem;
  background: var(--rsql-surface);
}

.rsql-proof-context {
  display: grid;
  gap: 1rem;
  align-items: end;
}

.rsql-proof-context h2,
.rsql-section-intro h2,
.rsql-code-copy h2 {
  margin: 0;
  border: 0;
  padding: 0;
  color: var(--rsql-ink);
  font-family: "Aptos Display", "Segoe UI Variable Display", sans-serif;
  font-size: clamp(2.25rem, 4.8vw, 4rem);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1;
}

.rsql-proof-context h2 {
  max-width: 16ch;
}

.rsql-proof-context > p {
  max-width: 34rem;
  margin: 0;
  color: var(--rsql-muted);
  line-height: 1.7;
}

.rsql-home-page .fibel-prose .rsql-proof-context a,
.rsql-home-page .fibel-prose .rsql-code-copy a {
  color: var(--rsql-ink);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--rsql-accent);
  text-decoration-thickness: 0.14em;
  text-underline-offset: 0.2em;
}

.rsql-proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 3rem 0 0;
}

.rsql-proof-item {
  border-top: 2px solid var(--rsql-line);
  padding-top: 0.85rem;
}

.rsql-proof-item dt {
  color: var(--rsql-muted);
  font-size: 0.78rem;
}

.rsql-proof-item dd {
  margin: 0.25rem 0 0;
  color: var(--rsql-ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 760;
  letter-spacing: -0.04em;
}

.rsql-proof-item dd small {
  color: var(--rsql-muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0;
}

.rsql-proof-note {
  margin: 2rem 0 0;
  color: var(--rsql-muted);
  font-size: 0.75rem;
}

.rsql-section {
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.rsql-section-intro h2 {
  max-width: 13ch;
}

.rsql-section-intro > p:last-child {
  max-width: 34rem;
  margin: 1.25rem 0 0;
  color: var(--rsql-muted);
  font-size: 1.06rem;
  line-height: 1.7;
}

.rsql-boundary {
  display: grid;
  gap: 3.5rem;
}

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

.rsql-boundary-list article {
  display: grid;
  gap: 0.8rem 1.25rem;
  border-top: 1px solid var(--rsql-line);
  padding: 1.4rem 0;
}

.rsql-boundary-label {
  color: var(--rsql-muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.rsql-boundary-list h3 {
  margin: 0;
  color: var(--rsql-ink);
  font-size: 1.08rem;
  font-weight: 720;
  letter-spacing: -0.015em;
}

.rsql-boundary-list p {
  max-width: 31rem;
  margin: 0.35rem 0 0;
  color: var(--rsql-muted);
  line-height: 1.6;
}

.rsql-boundary-list code {
  align-self: start;
  color: var(--rsql-ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.74rem;
  white-space: nowrap;
}

.rsql-ownership {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  background: var(--rsql-band);
  color: #18181b;
}

.rsql-ownership-grid {
  display: grid;
  gap: 3.5rem;
}

.rsql-ownership .rsql-kicker {
  color: #18181b;
}

.rsql-ownership .rsql-kicker::before {
  background: #18181b;
}

.rsql-ownership .rsql-section-intro h2 {
  color: #18181b;
}

.rsql-ownership .rsql-section-intro > p:last-child {
  color: #3f3f46;
}

.rsql-ownership-columns {
  display: grid;
  gap: 2rem;
}

.rsql-ownership-columns article {
  border-top: 1px solid rgb(24 24 27 / 0.28);
  padding-top: 1.2rem;
}

.rsql-ownership-columns h3 {
  margin: 0;
  color: #18181b;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.rsql-ownership-columns ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.rsql-ownership-columns li {
  display: grid;
  grid-template-columns: 0.5rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: baseline;
  padding: 0.52rem 0;
  color: #303036;
}

.rsql-ownership-columns li::before {
  color: #18181b;
  content: "-";
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.rsql-code-panel {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--rsql-code-line);
  border-radius: 0.55rem;
  background: var(--rsql-code);
  color: #f4f4f5;
}

.rsql-code-copy {
  min-width: 0;
  padding: clamp(1.75rem, 4vw, 3rem);
}

.rsql-code-copy .rsql-kicker {
  color: #f6c453;
}

.rsql-code-copy h2 {
  max-width: 13ch;
  color: #f4f4f5;
}

.rsql-code-copy p {
  max-width: 34rem;
  margin: 1.25rem 0 0;
  color: #b7b8bd;
  line-height: 1.7;
}

.rsql-home-page .fibel-prose .rsql-code-copy a {
  display: inline-block;
  margin-top: 1.5rem;
  color: #f6c453;
}

.rsql-code {
  margin: 0;
  overflow-x: auto;
  border-top: 1px solid var(--rsql-code-line);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: #0c0d10;
  color: #e8e8eb;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.8;
}

.rsql-home-page .fibel-prose .rsql-code code {
  display: block;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}

.rsql-home-page .fibel-prose .rsql-code span {
  padding: 0;
  background: transparent;
}

.rsql-code .token-key {
  color: #7fd1ae;
}

.rsql-code .token-string {
  color: #f6c453;
}

.rsql-start {
  border-top: 1px solid var(--rsql-line);
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--rsql-surface);
}

.rsql-start-grid {
  display: grid;
  gap: 3.5rem;
}

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

.rsql-install-list > div {
  display: grid;
  gap: 0.45rem;
  border-top: 1px solid var(--rsql-line);
  padding: 1rem 0;
}

.rsql-install-list span {
  color: var(--rsql-muted);
  font-size: 0.72rem;
}

.rsql-install-list code {
  overflow-x: auto;
  color: var(--rsql-ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  white-space: nowrap;
}

@media (min-width: 48rem) {
  .rsql-home-shell {
    width: min(100% - 4rem, 76rem);
  }

  .rsql-proof-context {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.75fr);
  }

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

  .rsql-boundary-list article {
    grid-template-columns: 6.5rem minmax(0, 1fr) auto;
    align-items: start;
  }

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

  .rsql-install-list > div {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 64rem) {
  .rsql-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(29rem, 0.9fr);
    gap: 5rem;
  }

  .rsql-boundary,
  .rsql-ownership-grid,
  .rsql-start-grid {
    grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
    gap: 6rem;
  }

  .rsql-code-panel {
    grid-template-columns: minmax(0, 0.78fr) minmax(31rem, 1.22fr);
  }

  .rsql-code {
    border-top: 0;
    border-left: 1px solid var(--rsql-code-line);
  }
}

@media (max-width: 40rem) {
  .rsql-trace-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .rsql-trace-steps li {
    grid-template-columns: 1.7rem minmax(0, 1fr);
  }

  .rsql-trace-steps code {
    grid-column: 2;
    max-width: 100%;
    overflow-wrap: anywhere;
    justify-self: start;
  }

  .rsql-trace-foot {
    align-items: flex-start;
    flex-direction: column;
  }
}