/* Public identity only. Loaded when landing_page is true. Do not apply to the workbench. */

.public {
  --paper: #f3efe6;
  --elevated: #f7f4ed;
  --muted-fill: #e7e1d4;
  --ink: #1a1f1c;
  --secondary: #3f433f;
  --muted: #5c615a;
  --rule: #c9c2b3;
  --rule-strong: #8f8778;
  /* AA on --paper for small accent labels (was #c4841a at 2.74:1). */
  --accent: #8b5a12;
  --accent-mark: #c4841a;
  --frame: min(100% - 2.5rem, 76rem);
  --public-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --public-serif: "IBM Plex Serif", ui-serif, Georgia, serif;
  --public-mono: "IBM Plex Mono", ui-monospace, monospace;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--public-sans);
  line-height: 1.55;
  min-height: 100vh;
  font-synthesis: none;
  font-kerning: normal;
  letter-spacing: 0;
  word-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.public-body {
  margin: 0;
  background: #f3efe6;
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* One paint. Portal layers must not stroke, shadow, or clip public type. */
.public,
.public * {
  text-shadow: none;
  -webkit-text-stroke: 0;
  -webkit-text-stroke-width: 0;
  filter: none;
}

.public svg text,
.public svg tspan {
  stroke: none;
  paint-order: fill;
}

.public a {
  color: var(--ink);
}

/* Distinguish inline links without relying on color alone (WCAG 1.4.1). */
.public p a:not(.btn),
.public li a:not(.btn),
.public dd a:not(.btn),
.public .lifecycle-group__copy a:not(.btn),
.public .marketing__copy a:not(.btn),
.public .proof-copy a:not(.btn) {
  text-decoration: underline;
  text-underline-offset: 0.16em;
  text-decoration-thickness: from-font;
}

.public a:focus-visible,
.public .btn:focus-visible,
.public .public-nav-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.public .frame {
  width: var(--frame);
  margin: 0 auto;
}

.public .eyebrow,
.public .index,
.public .status,
.public .caption,
.public .footer-label {
  font-family: var(--public-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.public .public-header {
  position: sticky;
  top: 0;
  z-index: 20;
  isolation: isolate;
  border-bottom: 1px solid var(--rule);
  /* Opaque paper. A frosted/blur overlay ghosts glyphs in Chromium. */
  background: var(--paper);
}

.public .public-header .frame {
  position: relative;
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.public .lockup {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
}

.public .lockup-home {
  display: flex;
  flex: none;
  text-decoration: none;
  color: inherit;
}

.public .mark {
  width: 32px;
  height: 32px;
  flex: none;
  display: block;
}

.public .lockup-text {
  display: grid;
  gap: 0.08rem;
}

.public .product-name {
  display: inline-block;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: inherit;
}

.public .public-header,
.public .public-header a {
  letter-spacing: 0.02em;
  word-spacing: 0.08em;
  text-shadow: none;
  -webkit-text-stroke: 0;
  font-synthesis: none;
}

.public .byline {
  font-family: var(--public-mono);
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 400;
}

.public .byline a {
  color: inherit;
  text-decoration: none;
}

.public .byline a:hover {
  color: var(--accent);
}

.public .public-nav-toggle {
  display: none;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 2px;
  min-height: 2.75rem;
  min-width: 2.75rem;
  cursor: pointer;
}

.public .public-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.55rem 1.05rem;
  font-size: 0.86rem;
}

.public .public-nav a {
  color: var(--secondary);
  text-decoration: none;
}

.public .public-nav a:hover,
.public .public-nav a[aria-current="page"] {
  color: var(--ink);
}

.public .public-nav .header-access {
  background: var(--ink);
  color: var(--paper);
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  font-weight: 600;
}

.public .public-nav .header-access:hover {
  color: var(--paper);
  background: #2c322e;
}

.public .public-main {
  display: block;
}

.public .hero {
  padding: clamp(2.25rem, 5vw, 4.5rem) 0 clamp(1.5rem, 4vw, 2.75rem);
}

.public .hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.public .eyebrow-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.25rem;
  color: var(--ink);
}

.public .eyebrow-mark {
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--accent);
}

.public h1,
.public h2 {
  font-family: var(--public-serif);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.15;
}

.public h1 {
  max-width: 32ch;
  margin: 0 0 1.25rem;
  font-size: clamp(2.25rem, 4.6vw, 4.2rem);
}

.public h2 {
  max-width: 18ch;
  margin: 0.4rem 0 1.15rem;
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
}

.public h3 {
  margin: 0.2rem 0 0.45rem;
  font-size: 1.02rem;
  letter-spacing: 0;
}

.public .lede {
  max-width: 34rem;
  margin: 0 0 1.5rem;
  color: var(--secondary);
  font-size: clamp(1.125rem, 1.4vw, 1.25rem);
  line-height: 1.65;
}

.public .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 0 0 1.5rem;
}

.public .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.5rem 0.95rem;
  border-radius: 2px;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
}

.public .btn--primary,
.public .btn-primary {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
}

.public .btn--ghost,
.public .btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.public .support {
  margin: 0;
  padding-top: 1rem;
  max-width: 34rem;
  border-top: 1px solid var(--rule);
  font-family: var(--public-mono);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--muted);
}

.public .evidence-panel {
  margin: 0;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--rule);
  background: var(--paper);
}

.public .evidence-panel__label {
  margin: 0 0 0.35rem;
  font-family: var(--public-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.public .evidence-panel__note {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.public .evidence-panel__grid {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.public .evidence-panel__grid dt {
  margin: 0 0 0.2rem;
  font-family: var(--public-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.public .evidence-panel__grid dd {
  margin: 0;
  color: var(--secondary);
  font-size: 0.92rem;
  line-height: 1.45;
}

.public .figure {
  margin: 0;
}

.public .figure-svg {
  width: 100%;
  height: auto;
  color: var(--ink);
}

.public .fig-frame {
  color: var(--rule);
}

.public .fig-title,
.public .fig-state,
.public .fig-diff-label,
.public .fig-rail-label {
  fill: var(--ink);
  font-family: var(--public-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.public .fig-diff-label--hero {
  font-size: 18px;
  letter-spacing: 0.08em;
}

.public .fig-brand,
.public .fig-diff-label,
.public .fig-rail-label--accent,
.public .fig-diff-note {
  fill: var(--accent);
}

.public .fig-note,
.public .fig-cut,
.public .fig-gate,
.public .fig-gate-side,
.public .fig-return-note {
  fill: var(--muted);
  font-family: var(--public-mono);
  font-size: 11px;
}

.public .fig-diff {
  color: var(--accent);
}

.public .fig-path,
.public .fig-rail {
  color: var(--rule-strong);
}

.public .fig-return {
  color: var(--accent);
  stroke-dasharray: 4 3;
}

.public .figure-svg--mobile {
  display: none;
}

.public .cut {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.public .cut p {
  margin: 0;
  color: var(--secondary);
  font-size: 0.95rem;
}

.public .cut-step {
  margin: 0 0 0.4rem;
  font-family: var(--public-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.public .cut-step--accent {
  outline: 1px solid var(--accent);
  outline-offset: 8px;
}

.public .cut-step--accent .cut-step {
  color: var(--accent);
}

.public .public-session {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
}

.public .section {
  border-top: 1px solid var(--rule);
  padding: clamp(3.5rem, 8vw, 7.5rem) 0;
}

.public .section-copy {
  max-width: 40rem;
}

.public .section-copy p,
.public .muted {
  color: var(--secondary);
}

.public .grid {
  display: grid;
  gap: 1px;
  margin-top: 2rem;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.public .trio {
  grid-template-columns: repeat(3, 1fr);
}

.public .quad {
  grid-template-columns: repeat(2, 1fr);
}

.public .card,
.public .maturity-card {
  background: var(--paper);
  padding: 1.2rem;
  min-height: 100%;
}

.public .card-top {
  border-top: 3px solid var(--accent);
}

.public .card p,
.public .maturity-card p:not(.status) {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0;
}

.public .dl {
  margin: 0.85rem 0 0;
}

.public .dl div {
  margin: 0 0 0.55rem;
}

.public .dl dt {
  font-family: var(--public-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.public .dl dd {
  margin: 0.15rem 0 0;
  color: var(--secondary);
}

.public .owns {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
}

.public .owns li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
}

.public .owns span {
  color: var(--muted);
}

.public .split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.75rem, 5vw, 3.5rem);
}

.public .scenario {
  border: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 1.5rem;
}

.public .scenario article {
  padding: 1.4rem;
}

.public .scenario article + article {
  border-left: 1px solid var(--rule);
}

.public .truth-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 2rem;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.public .truth-box,
.public .direction-box {
  padding: 1.4rem;
  background: var(--paper);
}

.public .truth-box {
  background: var(--elevated);
}

.public .family-note {
  margin-top: 2rem;
}

.public .transition {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  max-width: 34rem;
  border-top: 1px solid var(--rule);
}

.public .transition p {
  margin: 0 0 0.55rem;
  color: var(--secondary);
}

.public .transition p:last-child {
  margin-bottom: 0;
}

.public .key-line {
  margin: 1.75rem 0 1.25rem;
  max-width: 32rem;
  font-family: var(--public-serif);
  font-size: 1.2rem;
  line-height: 1.45;
}

.public .key-line--accent {
  font-family: var(--public-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.95rem;
}

.public .paths {
  margin-top: 1.75rem;
}

.public .path {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--rule);
}

.public .path p {
  margin: 0;
  color: var(--secondary);
}

.public .stack {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  max-width: 28rem;
  border: 1px solid var(--rule);
}

.public .stack li {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--rule);
}

.public .stack li:last-child {
  border-bottom: 0;
}

.public .stack-label {
  font-family: var(--public-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.public .closing {
  margin-top: 2.5rem;
}

.public .family-list,
.public .lifecycle-links,
.public .family-codes {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
}

.public .family-list li,
.public .lifecycle-links li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--secondary);
}

.public .family-codes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.public .family-codes li {
  font-family: var(--public-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.public .steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.public .steps li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
}

.public .public-footer {
  border-top: 1px solid var(--rule);
  padding: 2.4rem 0 2.8rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.public .footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 1.75rem;
}

.public .footer-lockup {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.public .footer-lockup p {
  margin: 0;
}

.public .footer-col {
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.public .footer-col a {
  color: var(--secondary);
  text-decoration: none;
}

.public .footer-col a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.public .footer-current {
  color: var(--ink);
  margin: 0;
}

.public .marketing,
.public .marketing--narrow {
  max-width: var(--frame);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.public .home-hero,
.public .marketing__hero {
  margin: 0 0 2rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  text-align: left;
}

.public .home-hero::before,
.public .marketing__hero.home-hero::before,
.public .home-hero__mesh,
.public .home-hero__path {
  display: none;
}

.public .home-console__title {
  font-family: var(--public-serif);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0;
}

.public .marketing__kicker {
  font-family: var(--public-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}

.public .home-hero__tagline,
.public .marketing__copy {
  color: var(--secondary);
}

.public .marketing__heading {
  font-family: var(--public-serif);
  color: var(--ink);
  font-weight: 400;
}

.public .marketing__card,
.public .marketing__compare,
.public .marketing__steps li,
.public .lifecycle-map__node,
.public .lifecycle-group {
  border-color: var(--rule);
  box-shadow: none;
  background: var(--paper);
}

.public .lifecycle-map__hub,
.public .marketing__card--accent {
  outline: 1px solid var(--accent);
}

.public [id] {
  scroll-margin-top: 5.5rem;
}

@media (min-width: 768px) {
  .public .cut {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .public .hero-grid {
    grid-template-columns: minmax(0, 48%) minmax(0, 52%);
    align-items: start;
  }
}

@media (min-height: 700px) and (min-width: 1200px) and (max-height: 800px) {
  .public .hero {
    padding-top: 1.75rem;
    padding-bottom: 1rem;
  }

  .public h1 {
    font-size: clamp(2rem, 3.4vw, 3.1rem);
    margin-bottom: 0.85rem;
  }

  .public .lede,
  .public .cta-row {
    margin-bottom: 0.85rem;
  }

  .public .cut {
    margin-top: 1.25rem;
    padding: 1rem 0;
  }
}

@media (min-width: 1000px) {
  .public .cut {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .public .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .public .trio {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .public .split,
  .public .scenario,
  .public .quad,
  .public .truth-split {
    grid-template-columns: 1fr;
  }

  .public .scenario article + article {
    border-left: 0;
    border-top: 1px solid var(--rule);
  }
}

@media (max-width: 768px) {
  .public {
    --frame: min(100% - 1.75rem, 76rem);
  }

  .public .public-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .public .public-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.4rem 1.25rem 0.9rem;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
  }

  .public .public-nav.is-open {
    display: flex;
  }

  .public .public-nav a {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--rule);
  }

  .public .hero-grid {
    display: flex;
    flex-direction: column;
  }

  .public .figure-svg--desktop {
    display: none;
  }

  .public .figure-svg--mobile {
    display: block;
  }

  .public .trio,
  .public .owns li {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .public .fig-return {
    stroke-dasharray: none;
  }

  html {
    scroll-behavior: auto;
  }
}