@import url("./function-page-scale.css");
@import url("./function-model-data.css");

:root {
  --pf-paper: #ffffff;
  --pf-ink: #002060;
  --pf-text: #183765;
  --pf-muted: #52698d;
  --pf-blue: #0070c0;
  --pf-cyan: #00b0f0;
  --pf-line: #b7dded;
  --pf-content: var(--function-content-width);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--pf-paper);
  color: var(--pf-text);
  font-family: "Instrument Sans", "Aptos", "Segoe UI", sans-serif;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 50;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--pf-ink);
  color: #ffffff;
  transform: translateY(-150%);
}

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

.pf-nav {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid var(--pf-line);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
}

.pf-nav__inner,
.pf-main,
.pf-footer__inner {
  width: min(var(--pf-content), calc(100% - 40px));
  margin-inline: auto;
}

.pf-nav__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.pf-identity,
.pf-languages {
  display: flex;
  align-items: center;
}

.pf-identity {
  gap: 18px;
}

.pf-brand img {
  display: block;
  width: auto;
  height: 34px;
}

.pf-product {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-left: 1px solid var(--pf-line);
  padding-left: 18px;
  color: var(--pf-ink);
  font-weight: 700;
  text-decoration: none;
}

.pf-languages {
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--pf-line);
  border-radius: 8px;
}

.pf-languages button {
  min-width: 44px;
  min-height: 44px;
  padding: 0 8px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--pf-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
}

.pf-languages button[aria-pressed="true"] {
  background: #f3fbff;
  color: var(--pf-blue);
}

.pf-breadcrumb {
  margin: 0;
  padding-top: 28px;
  color: var(--pf-muted);
  font-size: 0.84rem;
}

.pf-breadcrumb a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration-color: var(--pf-line);
  text-underline-offset: 4px;
}

.pf-breadcrumb span {
  margin-inline: 8px;
  color: var(--pf-cyan);
}

.pf-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(48px, 9vw, 112px);
  padding: clamp(64px, 9vw, 112px) 0 clamp(56px, 8vw, 88px);
  border-bottom: 1px solid var(--pf-line);
}

.pf-label,
.pf-section__label {
  margin: 0;
  color: var(--pf-blue);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.pf-hero h1,
.pf-section h2,
.pf-responsibility h3,
.pf-fact h2 {
  margin: 0;
  color: var(--pf-ink);
  line-height: var(--function-heading-line-height);
  text-wrap: balance;
}

.pf-hero h1 {
  max-width: var(--function-title-measure);
  margin-top: 14px;
  font-size: var(--function-title-size);
  font-weight: 620;
  letter-spacing: 0;
}

.pf-summary {
  max-width: 62ch;
  margin: 24px 0 0;
  color: var(--pf-text);
  font-size: var(--function-lead-size);
  line-height: var(--function-lead-line-height);
}

.pf-hero__aside {
  padding-left: clamp(24px, 4vw, 48px);
  border-left: 2px solid var(--pf-cyan);
}

.pf-hero__aside p {
  margin: 0;
  color: var(--pf-muted);
}

.pf-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--pf-line);
}

.pf-fact {
  min-height: 230px;
  padding: clamp(30px, 5vw, 48px) 28px clamp(34px, 5vw, 52px) 0;
}

.pf-fact + .pf-fact {
  padding-left: 28px;
  border-left: 1px solid var(--pf-line);
}

.pf-fact h2 {
  font-size: var(--function-subsection-title-size) !important;
}

.pf-fact p {
  max-width: 38ch;
  margin: 18px 0 0;
  color: var(--pf-muted);
}

.pf-section {
  padding: clamp(72px, 10vw, 120px) 0;
  border-bottom: 1px solid var(--pf-line);
}

.pf-section__head {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(36px, 8vw, 100px);
  align-items: start;
}

.pf-section h2 {
  max-width: 18ch;
  margin-top: 12px;
  font-size: var(--function-section-title-size);
  font-weight: 620;
  letter-spacing: 0;
}

.pf-section__copy {
  max-width: 64ch;
  margin: 0;
  color: var(--pf-muted);
  font-size: 1.06rem;
}

.pf-responsibilities {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(42px, 7vw, 72px);
  border-block: 2px solid var(--pf-ink);
}

.pf-responsibility {
  min-height: 210px;
  padding: 30px 34px 34px 0;
}

.pf-responsibility + .pf-responsibility {
  padding-left: 34px;
  border-left: 1px solid var(--pf-line);
}

.pf-responsibility h3 {
  font-size: var(--function-subsection-title-size);
}

.pf-responsibility p {
  max-width: 48ch;
  margin: 18px 0 0;
  color: var(--pf-muted);
}

.pf-prompt {
  display: block;
  margin-top: 28px;
  padding: 24px 28px;
  overflow-x: auto;
  border: 1px solid var(--pf-line);
  background: #f7fcff;
  color: var(--pf-ink);
  font: 500 0.94rem/1.6 ui-monospace, "SFMono-Regular", Consolas, monospace;
  white-space: pre-wrap;
}

.pf-footer {
  border-top: 1px solid var(--pf-line);
}

.pf-footer__inner {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--pf-muted);
  font-size: 0.88rem;
}

.pf-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-underline-offset: 4px;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--pf-cyan);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .pf-nav__inner,
  .pf-main,
  .pf-footer__inner {
    width: min(100% - 28px, var(--pf-content));
  }

  .pf-nav__inner {
    min-height: 64px;
    flex-wrap: wrap;
    gap: 12px;
    padding-block: 8px;
  }

  .pf-brand img {
    height: 28px;
  }

  .pf-product {
    padding-left: 12px;
  }

  .pf-languages button {
    min-width: 34px;
    padding-inline: 5px;
  }

  .pf-languages {
    margin-left: auto;
  }

  .pf-hero,
  .pf-section__head,
  .pf-facts,
  .pf-responsibilities {
    grid-template-columns: 1fr;
  }

  .pf-hero {
    gap: 36px;
    padding-top: 48px;
  }

  .pf-hero__aside {
    padding: 24px 0 0;
    border-top: 2px solid var(--pf-cyan);
    border-left: 0;
  }

  .pf-fact {
    min-height: 0;
    padding: 30px 0 34px;
  }

  .pf-fact + .pf-fact,
  .pf-responsibility + .pf-responsibility {
    padding-left: 0;
    border-top: 1px solid var(--pf-line);
    border-left: 0;
  }

  .pf-responsibility {
    min-height: 0;
    padding: 28px 0 32px;
  }

  .pf-footer__inner {
    min-height: 120px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

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