.function-hub,
.function-page {
  background: var(--canvas);
}

.function-hub__hero,
.function-hero,
.function-hub__intro,
.function-directory,
.function-article,
.function-related {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.function-hub__hero,
.function-hero {
  padding-block: clamp(88px, 11vw, 148px) clamp(56px, 8vw, 104px);
}

.function-hub__hero > p:first-child,
.function-hero__label {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.function-hub__hero h1,
.function-hero h1 {
  max-width: 980px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 76px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: .98;
  text-wrap: balance;
}

.function-hub__hero > div,
.function-hero__lede {
  max-width: 760px;
  margin-top: 32px;
}

.function-hub__hero > div p,
.function-hero__lede {
  margin-bottom: 0;
  color: var(--text);
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.5;
}

.function-hub__intro {
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr);
  gap: clamp(32px, 7vw, 96px);
  padding-block: 64px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.function-hub__intro h2,
.function-directory__group h2,
.function-section h2,
.function-related h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.function-hub__intro h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.08;
}

.function-hub__intro p {
  max-width: 64ch;
  margin: 0;
  color: var(--text);
  font-size: 18px;
  line-height: 1.7;
}

.function-directory {
  padding-block: 24px 104px;
}

.function-directory__group {
  display: grid;
  grid-template-columns: minmax(240px, .75fr) minmax(0, 1.55fr);
  gap: clamp(32px, 7vw, 96px);
  padding-block: 64px;
  border-bottom: 1px solid var(--line-strong);
}

.function-directory__group header {
  align-self: start;
  position: sticky;
  top: 104px;
}

.function-directory__group h2 {
  font-size: clamp(25px, 3vw, 36px);
}

.function-directory__group header p {
  max-width: 34ch;
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.function-directory__rows {
  border-top: 1px solid var(--ink);
}

.function-directory__rows a {
  display: grid;
  grid-template-columns: 34px 1fr 24px;
  gap: 18px;
  align-items: start;
  padding: 24px 4px;
  border-bottom: 1px solid var(--line-strong);
  color: inherit;
  text-decoration: none;
}

.function-directory__rows a:hover strong,
.function-directory__rows a:focus-visible strong {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.function-directory__index {
  padding-top: 3px;
  color: var(--quiet);
  font-family: var(--font-mono);
  font-size: 12px;
}

.function-directory__rows strong {
  display: block;
  font-size: 20px;
  letter-spacing: -.02em;
}

.function-directory__rows small {
  display: block;
  max-width: 66ch;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.function-directory__rows b {
  font-size: 20px;
  font-weight: 400;
}

.function-back {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 72px;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.function-back:hover,
.function-back:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.function-hero__availability {
  max-width: 720px;
  margin: 28px 0 0;
  padding: 16px 0 0 20px;
  border-left: 2px solid var(--line-strong);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.function-article {
  padding-bottom: 88px;
  border-top: 1px solid var(--ink);
}

.function-section {
  display: grid;
  grid-template-columns: 72px minmax(0, 720px);
  gap: 28px;
  padding-block: clamp(48px, 7vw, 80px);
  border-bottom: 1px solid var(--line-strong);
}

.function-section:nth-child(even) {
  grid-template-columns: minmax(0, 720px) 72px;
  justify-content: end;
}

.function-section:nth-child(even) .function-section__number {
  grid-column: 2;
  grid-row: 1;
}

.function-section:nth-child(even) .function-section__content {
  grid-column: 1;
  grid-row: 1;
}

.function-section__number {
  padding-top: 9px;
  color: var(--quiet);
  font-family: var(--font-mono);
  font-size: 12px;
}

.function-section h2 {
  max-width: 23ch;
  font-size: clamp(27px, 3.4vw, 40px);
  line-height: 1.1;
}

.function-section__part + .function-section__part {
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: clamp(32px, 5vw, 48px);
  border-top: 1px solid var(--line-strong);
}

.function-section h3 {
  max-width: 28ch;
  margin: 0;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.function-section p,
.function-section li {
  color: var(--text);
  font-size: 17px;
  line-height: 1.75;
}

.function-section p {
  max-width: 70ch;
  margin: 24px 0 0;
}

.function-section ul {
  display: grid;
  gap: 12px;
  max-width: 66ch;
  margin: 28px 0 0;
  padding-left: 22px;
}

.function-layout--pipeline .function-section--2,
.function-layout--billing .function-section--3,
.function-layout--migration .function-section--2,
.function-layout--recovery .function-section--4,
.function-layout--grounded-answers .function-section--3,
.function-layout--personal-security .function-section--4 {
  margin-inline: -24px;
  padding-inline: 24px;
  background: var(--surface-sunken);
}

.function-layout--shared-view .function-section:nth-child(3n),
.function-layout--conversation .function-section:nth-child(3n),
.function-layout--guided-action .function-section:nth-child(3n) {
  border-block-start: 1px solid var(--ink);
  padding-block-start: 32px;
}

.function-related {
  display: grid;
  grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr);
  gap: clamp(32px, 7vw, 96px);
  padding-block: 72px 112px;
}

.function-related h2 {
  font-size: clamp(26px, 3vw, 36px);
}

.function-related__list {
  border-top: 1px solid var(--ink);
}

.function-related__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-strong);
  color: inherit;
  text-decoration: none;
}

.function-related__row strong,
.function-related__row small {
  display: block;
}

.function-related__row strong {
  font-size: 18px;
}

.function-related__row small {
  max-width: 64ch;
  margin-top: 7px;
  color: var(--muted);
  line-height: 1.5;
}

.function-related__row > b {
  align-self: center;
  font-size: 13px;
  white-space: nowrap;
}

.function-related__row:hover strong,
.function-related__row:focus-visible strong {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 760px) {
  .function-hub__hero,
  .function-hero,
  .function-hub__intro,
  .function-directory,
  .function-article,
  .function-related {
    width: min(100% - 28px, 680px);
  }

  .function-hub__hero,
  .function-hero {
    padding-block: 72px 56px;
  }

  .function-back {
    margin-bottom: 48px;
  }

  .function-hub__intro,
  .function-directory__group,
  .function-related {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .function-directory__group header {
    position: static;
  }

  .function-section,
  .function-section:nth-child(even) {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
  }

  .function-section:nth-child(even) .function-section__number,
  .function-section:nth-child(even) .function-section__content {
    grid-column: auto;
    grid-row: auto;
  }

  .function-section__number {
    grid-column: 1;
  }

  .function-section__content,
  .function-section:nth-child(even) .function-section__content {
    grid-column: 2;
    grid-row: 1;
  }

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

  .function-layout--pipeline .function-section--2,
  .function-layout--billing .function-section--3,
  .function-layout--migration .function-section--2,
  .function-layout--recovery .function-section--4,
  .function-layout--grounded-answers .function-section--3,
  .function-layout--personal-security .function-section--4 {
    margin-inline: 0;
  }

  .function-related__row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .function-directory__rows a,
  .function-related__row {
    scroll-behavior: auto;
  }
}