.rcb-site {
  --rcb-font-interface: Inter, ui-sans-serif, sans-serif;
  --rcb-font-mono: "SFMono-Regular", Consolas, monospace;
  --background-primary: #ffffff;
  --background-secondary: #f6f7f8;
  --background-secondary-alt: #f0f1f3;
  --background-modifier-border: #d9dce1;
  --code-comment: #59616b;
  --code-function: #00627a;
  --code-important: #7a3e9d;
  --code-keyword: #0033b3;
  --code-normal: #202124;
  --code-string: #067d17;
  --code-tag: #6f5f00;
  --code-value: #1750eb;
  --interactive-accent: #2767cc;
  --interactive-accent-hover: #1f57ae;
  --text-normal: #202124;
  --text-muted: #59616b;
  --text-on-accent: #ffffff;
  background: #f4f5f7;
  color: #202124;
  font-family: var(--rcb-font-interface);
  margin: 0;
  overflow-x: hidden;
}

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

.rcb-site a {
  color: inherit;
}

.rcb-site__main {
  margin: 0 auto;
  max-width: 1080px;
  padding: 0 28px 64px;
}

.rcb-site__hero {
  border-bottom: 1px solid #d9dce1;
  min-height: 0;
}

.rcb-site__nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 68px;
}

.rcb-site__brand,
.rcb-site__nav-link {
  text-decoration: none;
}

.rcb-site__brand {
  align-items: center;
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  gap: 9px;
}

.rcb-site__brand span {
  color: #3574f0;
  font-family: var(--rcb-font-mono);
}

.rcb-site__nav-link {
  color: #59616b;
  font-size: 13px;
  font-weight: 600;
}

.rcb-site__hero-copy {
  max-width: 850px;
  padding: 24px 0;
}

.rcb-site__eyebrow,
.rcb-site__section-kicker,
.rcb-site__support-label {
  color: #3574f0;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  margin: 0;
}

.rcb-site__hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.065em;
  line-height: 1.1;
  margin: 24px 0 30px;
}

.rcb-site__lede {
  color: #59616b;
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  max-width: 760px;
}

.rcb-site__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.rcb-site__cta {
  border: 1px solid #c7cbd1;
  border-radius: 7px;
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  justify-content: center;
  min-width: 142px;
  padding: 11px 16px;
  text-decoration: none;
}

.rcb-site__cta--primary {
  background: #3574f0;
  border-color: #3574f0;
  color: #ffffff;
}

.rcb-site__cta--secondary {
  background: #ffffff;
}

.rcb-site__proof {
  color: #59616b;
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 22px;
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.rcb-site__proof li::before {
  color: #2b8a3e;
  content: "✓";
  font-weight: 800;
  margin-right: 7px;
}

.rcb-site__showcase {
  padding: 32px 0 48px;
}

.rcb-site__section-heading {
  align-items: end;
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
  margin-bottom: 30px;
}

.rcb-site__section-heading h2,
.rcb-site__support h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 10px 0 0;
}

.rcb-site__section-heading > p,
.rcb-site__support-intro > p:last-child,
.rcb-site__benefits p,
.rcb-site__lesson p {
  color: #59616b;
  line-height: 1.65;
}

.rcb-site__section-heading > p {
  font-size: 13px;
  margin: 0;
}

.rcb-site__lesson--featured {
  margin: 0;
}

.rcb-site__lesson--featured .rcb {
  box-shadow: none;
  margin: 0;
}

.rcb-site__shortcut {
  color: #59616b;
  font-size: 11px;
  margin: 12px 0 0;
  text-align: right;
}

.rcb-site kbd {
  background: #ffffff;
  border: 1px solid #cdd1d6;
  border-bottom-width: 2px;
  border-radius: 4px;
  font-size: 0.82em;
  padding: 1px 5px;
}

.rcb-site__benefits {
  border-bottom: 1px solid #d9dce1;
  border-top: 1px solid #d9dce1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.rcb-site__benefits article {
  min-height: 190px;
  padding: 34px 28px 30px 0;
}

.rcb-site__benefits article + article {
  border-left: 1px solid #d9dce1;
  padding-left: 28px;
}

.rcb-site__benefits span {
  color: #3574f0;
  font-family: var(--rcb-font-mono);
  font-size: 10px;
  font-weight: 800;
}

.rcb-site__benefits h2 {
  font-size: 1rem;
  margin: 40px 0 8px;
}

.rcb-site__benefits p {
  font-size: 12px;
  margin: 0;
}

.rcb-site__support {
  display: grid;
  gap: 52px;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  padding: 96px 0;
}

.rcb-site__support-intro > p:last-child {
  font-size: 13px;
  margin: 22px 0 0;
}

.rcb-site__languages {
  display: grid;
  gap: 0 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.rcb-site__language {
  align-items: center;
  border-top: 1px solid #d9dce1;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-width: 0;
  padding: 10px 0;
}

.rcb-site__language div {
  align-items: center;
  display: flex;
  gap: 7px;
  min-width: 0;
}

.rcb-site__language strong {
  font-size: 11px;
}

.rcb-site__language code,
.rcb-site__language span {
  color: #59616b;
  font-size: 9.5px;
}

.rcb-site__language span {
  max-width: 130px;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rcb-site__all-examples {
  border-bottom: 1px solid #d9dce1;
  border-top: 1px solid #d9dce1;
  padding: 0;
}

.rcb-site__all-examples > summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-size: 13px;
  font-weight: 700;
  justify-content: space-between;
  list-style: none;
  padding: 20px 0;
}

.rcb-site__all-examples > summary::-webkit-details-marker {
  display: none;
}

.rcb-site__all-examples > summary span:last-child {
  color: #59616b;
  font-size: 11px;
  font-weight: 500;
}

.rcb-site__all-examples[open] > summary {
  border-bottom: 1px solid #d9dce1;
}

.rcb-site__lesson {
  margin: 42px 0;
}

.rcb-site__lesson h2 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.rcb-site__lesson p {
  font-size: 12px;
}

.rcb-site__footer {
  align-items: center;
  color: #59616b;
  display: flex;
  font-size: 11px;
  justify-content: space-between;
  padding-top: 42px;
}

.rcb-site__footer strong {
  color: #202124;
}

@media (prefers-color-scheme: dark) {
  .rcb-site {
    --background-primary: #2b2d30;
    --background-secondary: #1e1f22;
    --background-secondary-alt: #2b2d30;
    --background-modifier-border: #43454a;
    --code-comment: #a8adb5;
    --code-function: #8bbcff;
    --code-important: #d6a4e8;
    --code-keyword: #ff9f80;
    --code-normal: #dfe1e5;
    --code-string: #8fcf9a;
    --code-tag: #d6cc63;
    --code-value: #6fd3dd;
    --text-normal: #dfe1e5;
    --text-muted: #a8adb5;
    background: #1e1f22;
    color: #dfe1e5;
  }

  .rcb-site__hero,
  .rcb-site__benefits,
  .rcb-site__benefits article + article,
  .rcb-site__language,
  .rcb-site__all-examples,
  .rcb-site__all-examples[open] > summary {
    border-color: #43454a;
  }

  .rcb-site__nav-link,
  .rcb-site__lede,
  .rcb-site__proof,
  .rcb-site__section-heading > p,
  .rcb-site__support-intro > p:last-child,
  .rcb-site__benefits p,
  .rcb-site__lesson p,
  .rcb-site__shortcut,
  .rcb-site__language code,
  .rcb-site__language span,
  .rcb-site__all-examples > summary span:last-child,
  .rcb-site__footer {
    color: #a8adb5;
  }

  .rcb-site__cta--secondary,
  .rcb-site kbd {
    background: #2b2d30;
    border-color: #4c4f55;
  }

  .rcb-site__footer strong {
    color: #dfe1e5;
  }

  .rcb-site__lesson--featured .rcb {
    box-shadow: 0 18px 44px rgb(0 0 0 / 24%);
  }
}

@media (max-width: 720px) {
  .rcb-site__main {
    padding: 0 18px 44px;
  }

  .rcb-site__hero {
    min-height: auto;
  }

  .rcb-site__hero-copy {
    padding: 24px 0;
  }

  .rcb-site__hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .rcb-site__nav-link {
    display: none;
  }

  .rcb-site__lede {
    overflow-wrap: anywhere;
  }

  .rcb-site__section-heading,
  .rcb-site__support {
    grid-template-columns: 1fr;
  }

  .rcb-site__showcase,
  .rcb-site__support {
    padding: 32px 0;
  }

  .rcb-site__benefits {
    grid-template-columns: 1fr;
  }

  .rcb-site__benefits article {
    min-height: 0;
    padding: 28px 0;
  }

  .rcb-site__benefits article + article {
    border-left: 0;
    border-top: 1px solid #d9dce1;
    padding-left: 0;
  }

  .rcb-site__benefits h2 {
    margin-top: 24px;
  }

  .rcb-site__languages {
    grid-template-columns: 1fr;
  }

  .rcb-site__footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .rcb__toolbar {
    gap: 6px;
    padding-left: 8px;
  }

  .rcb__environment {
    display: none;
  }

  .rcb__button-label {
    display: none;
  }

  .rcb__button--run {
    min-height: 36px;
    min-width: 36px;
    padding: 0 7px;
  }

  .rcb__button--secondary {
    min-height: 36px;
  }

  .rcb__console-meta {
    max-width: 70%;
  }
}