:root {
  --art-bg: #f6f8fc;
  --art-surface: #ffffff;
  --art-surface-2: #eef4ff;
  --art-ink: #091427;
  --art-muted: #516079;
  --art-subtle: #788499;
  --art-line: #dbe4f2;
  --art-line-strong: #bfcee2;
  --art-blue: #0b63ff;
  --art-blue-strong: #0347c6;
  --art-blue-soft: #dceaff;
  --art-navy: #071126;
  --art-navy-2: #0e1d3c;
  --art-silver: #f2f5f9;
  --art-radius-xs: 10px;
  --art-radius-sm: 14px;
  --art-radius-md: 22px;
  --art-radius-lg: 34px;
  --art-shadow-sm: 0 10px 26px rgba(9, 20, 39, .08);
  --art-shadow-md: 0 22px 60px rgba(9, 20, 39, .14);
  --art-shadow-blue: 0 24px 70px rgba(11, 99, 255, .18);
  --art-max: 1180px;
  --art-wide: 1360px;
  --art-header-h: 76px;
  --art-font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --art-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--art-ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(11, 99, 255, .12), transparent 30rem),
    radial-gradient(circle at 85% 10%, rgba(123, 163, 255, .13), transparent 36rem),
    var(--art-bg);
  font-family: var(--art-font);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--art-blue-strong);
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

a:hover {
  color: var(--art-blue);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  color: #ffffff;
  background: var(--art-blue);
}

.screen-reader-text,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  transform: translateY(-150%);
  padding: .85rem 1rem;
  border-radius: var(--art-radius-xs);
  color: #ffffff;
  background: var(--art-blue-strong);
  box-shadow: var(--art-shadow-md);
}

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

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1 1 auto;
}

.container,
.content-width,
.entry-content > :where(p, h1, h2, h3, h4, h5, h6, ul, ol, blockquote, table, pre),
.entry-header,
.comments-area,
.post-navigation,
.posts-navigation {
  width: min(var(--art-max), calc(100% - 2rem));
  margin-inline: auto;
}

.wide-container,
.entry-content > .alignwide {
  width: min(var(--art-wide), calc(100% - 2rem));
  margin-inline: auto;
}

.entry-content > .alignfull {
  width: 100%;
  margin-inline: 0;
}

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  color: #ffffff;
  background: rgba(7, 17, 38, .88);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 34px rgba(7, 17, 38, .18);
}

.admin-bar .site-header {
  top: 32px;
}

.header-inner {
  width: min(var(--art-wide), calc(100% - 1.5rem));
  min-height: var(--art-header-h);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-branding {
  flex: 0 0 auto;
  min-width: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: #ffffff;
  text-decoration: none;
}

.brand-mark,
.custom-logo-link img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .2), 0 12px 36px rgba(11, 99, 255, .23);
}

.brand-text {
  display: grid;
  gap: .05rem;
}

.brand-name {
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 760;
  letter-spacing: -.015em;
}

.brand-kicker {
  color: #b7c8e6;
  font-size: .76rem;
  font-weight: 650;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: .8rem;
}

.primary-nav {
  display: flex;
  align-items: center;
}

.primary-menu,
.primary-nav ul {
  display: flex;
  align-items: center;
  gap: .15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav li {
  position: relative;
}

.primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: .65rem .8rem;
  border-radius: 999px;
  color: #d9e5f7;
  font-size: .92rem;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a {
  color: #ffffff;
  background: rgba(255, 255, 255, .1);
  outline: none;
}

.primary-nav .sub-menu {
  position: absolute;
  top: calc(100% + .65rem);
  left: 0;
  min-width: 230px;
  display: grid;
  gap: .2rem;
  padding: .5rem;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 18px;
  background: rgba(7, 17, 38, .96);
  box-shadow: var(--art-shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-.25rem);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}

.primary-nav li:hover > .sub-menu,
.primary-nav li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 14px;
  color: #ffffff;
  background: rgba(255, 255, 255, .08);
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 21px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform .18s ease, opacity .18s ease;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-lines::before {
  top: -7px;
}

.nav-toggle-lines::after {
  top: 7px;
}

body.nav-open .nav-toggle-lines {
  background: transparent;
}

body.nav-open .nav-toggle-lines::before {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle-lines::after {
  transform: translateY(-7px) rotate(-45deg);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: .62rem .9rem;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--art-blue), #3f8dff);
  font-size: .91rem;
  font-weight: 760;
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(11, 99, 255, .24);
}

.header-cta:hover,
.header-cta:focus-visible {
  color: #ffffff;
  transform: translateY(-1px);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 7vw, 7rem) 0 clamp(3rem, 6vw, 5.5rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(255,255,255,.86), rgba(246,248,252,.86)),
    radial-gradient(circle at 75% 24%, rgba(11, 99, 255, .2), transparent 24rem);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -8rem -18rem -8rem;
  z-index: -1;
  height: 25rem;
  background: radial-gradient(ellipse at center, rgba(11, 99, 255, .12), transparent 64%);
}

.hero-grid {
  width: min(var(--art-wide), calc(100% - 2rem));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, .92fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.eyebrow,
.section-eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: .45rem;
  margin: 0 0 1rem;
  padding: .38rem .7rem;
  border: 1px solid rgba(11, 99, 255, .18);
  border-radius: 999px;
  color: var(--art-blue-strong);
  background: rgba(220, 234, 255, .75);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.hero h1,
.page-title,
.entry-title {
  margin: 0;
  color: var(--art-ink);
  font-size: clamp(2.55rem, 7vw, 5.65rem);
  line-height: .96;
  letter-spacing: -.07em;
}

.hero h1 span {
  color: var(--art-blue-strong);
}

.hero-lede,
.page-lede,
.archive-description,
.entry-summary {
  max-width: 66ch;
  margin: 1.3rem 0 0;
  color: var(--art-muted);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  line-height: 1.68;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.8rem;
}

.button,
.wp-block-button__link,
.entry-content .wp-block-button__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .78rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--art-blue), #3f8dff);
  font-weight: 780;
  text-decoration: none;
  box-shadow: 0 16px 42px rgba(11, 99, 255, .2);
}

.button:hover,
.button:focus-visible,
.wp-block-button__link:hover,
.wp-block-button__link:focus-visible {
  color: #ffffff;
  transform: translateY(-1px);
}

.button.secondary {
  color: var(--art-navy);
  border-color: var(--art-line-strong);
  background: rgba(255, 255, 255, .75);
  box-shadow: none;
}

.button.secondary:hover,
.button.secondary:focus-visible {
  color: var(--art-blue-strong);
  border-color: rgba(11, 99, 255, .34);
  background: #ffffff;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
  padding: 0;
  list-style: none;
}

.hero-proof li {
  padding: .48rem .68rem;
  border: 1px solid var(--art-line);
  border-radius: 999px;
  color: var(--art-muted);
  background: rgba(255, 255, 255, .72);
  font-size: .9rem;
  font-weight: 660;
}

.hero-visual {
  position: relative;
}

.logo-card {
  position: relative;
  isolation: isolate;
  border: 1px solid rgba(11, 99, 255, .15);
  border-radius: clamp(2rem, 5vw, 4rem);
  background:
    linear-gradient(135deg, rgba(255,255,255,.92), rgba(235,243,255,.88)),
    radial-gradient(circle at 70% 30%, rgba(11, 99, 255, .22), transparent 18rem);
  box-shadow: var(--art-shadow-blue);
  overflow: hidden;
}

.logo-card::before {
  content: "";
  position: absolute;
  inset: 8%;
  z-index: -1;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(11, 99, 255, .2), transparent 68%);
  filter: blur(18px);
}

.logo-card img {
  width: min(100%, 620px);
  margin-inline: auto;
  padding: clamp(1rem, 2vw, 2rem);
}

.runtime-stat-card {
  position: absolute;
  right: 4%;
  bottom: -1.2rem;
  max-width: 270px;
  padding: 1rem;
  border: 1px solid rgba(11, 99, 255, .18);
  border-radius: 22px;
  background: rgba(255,255,255,.92);
  box-shadow: var(--art-shadow-sm);
}

.runtime-stat-card strong {
  display: block;
  color: var(--art-ink);
  font-size: 1.12rem;
  line-height: 1.2;
}

.runtime-stat-card span {
  display: block;
  margin-top: .35rem;
  color: var(--art-muted);
  font-size: .92rem;
  line-height: 1.45;
}

/* Sections */
.section {
  padding: clamp(3.2rem, 6vw, 6rem) 0;
}

.section.compact {
  padding: clamp(2.4rem, 4vw, 4rem) 0;
}

.section.dark {
  color: #eaf2ff;
  background:
    radial-gradient(circle at 80% 10%, rgba(11, 99, 255, .28), transparent 30rem),
    linear-gradient(135deg, var(--art-navy), #0d234d);
}

.section.dark h2,
.section.dark h3,
.section.dark .section-title {
  color: #ffffff;
}

.section.dark p,
.section.dark li,
.section.dark .section-lede {
  color: #c5d4ea;
}

.section-header {
  max-width: 760px;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}

.section-header.center {
  margin-inline: auto;
  text-align: center;
}

.section-header.center .section-eyebrow {
  margin-inline: auto;
}

.section-title,
.entry-content h2 {
  margin: 0;
  color: var(--art-ink);
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

.section-lede,
.entry-content > p:first-of-type {
  color: var(--art-muted);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card,
.wp-block-group.is-style-card,
.entry-content .card {
  padding: clamp(1.15rem, 2.2vw, 1.65rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: rgba(255,255,255,.88);
  box-shadow: var(--art-shadow-sm);
}

.card h3,
.card h2,
.entry-content .card h2,
.entry-content .card h3 {
  margin: 0 0 .55rem;
  font-size: clamp(1.15rem, 2vw, 1.42rem);
  line-height: 1.18;
  letter-spacing: -.025em;
}

.card p,
.card li {
  color: var(--art-muted);
}

.card p:last-child,
.card ul:last-child,
.card ol:last-child {
  margin-bottom: 0;
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: .85rem;
  border-radius: 12px;
  color: #ffffff;
  background: var(--art-blue);
  font-size: .9rem;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(11, 99, 255, .18);
}

.feature-card {
  min-height: 100%;
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  margin-bottom: .95rem;
  border-radius: 16px;
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
  font-weight: 850;
}

.flow-grid {
  counter-reset: flow;
}

.flow-card {
  position: relative;
  overflow: hidden;
}

.flow-card::after {
  counter-increment: flow;
  content: counter(flow, decimal-leading-zero);
  position: absolute;
  right: 1rem;
  bottom: .5rem;
  color: rgba(11, 99, 255, .09);
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1;
}

/* Dark sections can contain light cards. Keep card text explicitly dark so
   heading/body color is not inherited from the dark section treatment. */
.section.dark .card,
.section.dark .wp-block-group.is-style-card,
.section.dark .entry-content .card {
  color: var(--art-ink);
  border-color: rgba(255, 255, 255, .72);
  background: linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(244, 248, 255, .96));
  box-shadow: 0 18px 46px rgba(0, 0, 0, .16), inset 0 1px 0 rgba(255, 255, 255, .8);
}

.section.dark .card h2,
.section.dark .card h3,
.section.dark .entry-content .card h2,
.section.dark .entry-content .card h3 {
  color: #071126;
  text-shadow: none;
}

.section.dark .card p,
.section.dark .card li {
  color: #253552;
}

.section.dark .flow-card {
  min-height: 10.25rem;
}

.section.dark .flow-card::after {
  color: rgba(11, 99, 255, .12);
}

.layer-stack {
  display: grid;
  gap: .85rem;
}

.layer {
  display: grid;
  grid-template-columns: minmax(150px, .34fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1.05rem;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px;
  background: rgba(255,255,255,.075);
}

.layer strong {
  color: #ffffff;
  font-size: 1rem;
}

.layer span {
  color: #c5d4ea;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(300px, 1fr);
  gap: clamp(1.6rem, 4vw, 4rem);
  align-items: start;
}

.panel {
  padding: clamp(1.2rem, 2.4vw, 2rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-lg);
  background: rgba(255, 255, 255, .88);
  box-shadow: var(--art-shadow-sm);
}

.panel.dark-panel {
  color: #eaf2ff;
  border-color: rgba(255,255,255,.12);
  background: linear-gradient(135deg, var(--art-navy), var(--art-navy-2));
}

.panel.dark-panel h3,
.panel.dark-panel strong {
  color: #ffffff;
}

.panel.dark-panel p,
.panel.dark-panel li {
  color: #c5d4ea;
}

.check-list,
.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.clean-list li {
  position: relative;
  padding: .55rem 0 .55rem 1.6rem;
  border-bottom: 1px solid rgba(191,206,226,.62);
}

.check-list li:last-child,
.clean-list li:last-child {
  border-bottom: 0;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 1.1rem;
  left: .15rem;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--art-blue);
  box-shadow: 0 0 0 4px var(--art-blue-soft);
}

.runtime-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.runtime-table,
.entry-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}

.runtime-table th,
.runtime-table td,
.entry-content th,
.entry-content td {
  padding: 1rem;
  border-bottom: 1px solid var(--art-line);
  text-align: left;
  vertical-align: top;
}

.runtime-table th,
.entry-content th {
  color: var(--art-ink);
  background: var(--art-surface-2);
  font-weight: 800;
}

.runtime-table tr:last-child td,
.entry-content tr:last-child td {
  border-bottom: 0;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--art-radius-lg);
  background: rgba(255,255,255,.14);
}

.metric {
  padding: clamp(1rem, 2.2vw, 1.4rem);
  background: rgba(255,255,255,.08);
}

.metric strong {
  display: block;
  color: #ffffff;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.1;
}

.metric span {
  display: block;
  margin-top: .4rem;
  color: #c5d4ea;
  font-size: .92rem;
}

.code-panel {
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--art-radius-lg);
  background: #081225;
  box-shadow: var(--art-shadow-md);
}

.code-panel-header {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .8rem 1rem;
  color: #c5d4ea;
  border-bottom: 1px solid rgba(255,255,255,.1);
  font-size: .82rem;
  font-weight: 700;
}

.code-dot {
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  background: #315078;
}

.code-panel pre,
.entry-content pre {
  overflow-x: auto;
  margin: 0;
  padding: 1.1rem;
  color: #ddecff;
  background: transparent;
  font-family: var(--art-mono);
  font-size: .9rem;
  line-height: 1.65;
}

.cta-band {
  padding: clamp(2rem, 4vw, 3.2rem);
  border: 1px solid rgba(11, 99, 255, .18);
  border-radius: var(--art-radius-lg);
  background:
    radial-gradient(circle at 80% 12%, rgba(11, 99, 255, .18), transparent 24rem),
    linear-gradient(135deg, #ffffff, #eef5ff);
  box-shadow: var(--art-shadow-blue);
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -.045em;
}

.cta-band p {
  max-width: 68ch;
  color: var(--art-muted);
}

/* Pages and posts */
.page-hero,
.entry-header {
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(1.4rem, 4vw, 3rem);
}

.entry-meta {
  margin-top: .85rem;
  color: var(--art-subtle);
  font-size: .94rem;
}

.entry-content {
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.entry-content > * {
  max-width: 820px;
}

.entry-content > h2 {
  margin-top: 2.5rem;
}

.entry-content > h3 {
  margin-top: 2rem;
  color: var(--art-ink);
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  line-height: 1.12;
  letter-spacing: -.025em;
}

.entry-content p,
.entry-content li {
  color: var(--art-muted);
}

.entry-content ul,
.entry-content ol {
  padding-left: 1.35rem;
}

.entry-content blockquote {
  padding: 1.2rem 1.35rem;
  border-left: 4px solid var(--art-blue);
  border-radius: 0 var(--art-radius-md) var(--art-radius-md) 0;
  color: var(--art-ink);
  background: rgba(255,255,255,.75);
}

.entry-content blockquote p {
  color: var(--art-ink);
  font-size: 1.08rem;
}

.post-card-list {
  display: grid;
  gap: 1rem;
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.post-card {
  padding: 1.25rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.post-card h2 {
  margin: 0 0 .45rem;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.15;
}

.post-card h2 a {
  color: var(--art-ink);
  text-decoration: none;
}

.post-card h2 a:hover {
  color: var(--art-blue-strong);
}

.pagination,
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
}

.page-numbers,
.nav-links a,
.nav-links span {
  display: inline-flex;
  min-width: 2.4rem;
  min-height: 2.4rem;
  align-items: center;
  justify-content: center;
  padding: .45rem .75rem;
  border: 1px solid var(--art-line);
  border-radius: 999px;
  background: #ffffff;
  text-decoration: none;
}

.page-numbers.current,
.nav-links .current {
  color: #ffffff;
  background: var(--art-blue);
  border-color: var(--art-blue);
}

.not-found-panel {
  padding: clamp(3rem, 8vw, 7rem) 0;
}

.search-form {
  display: flex;
  gap: .6rem;
  max-width: 620px;
}

.search-field {
  flex: 1 1 auto;
  min-width: 0;
  padding: .85rem 1rem;
  border: 1px solid var(--art-line-strong);
  border-radius: 999px;
  background: #ffffff;
}

.search-submit {
  padding: .85rem 1rem;
  border: 0;
  border-radius: 999px;
  color: #ffffff;
  background: var(--art-blue);
  font-weight: 780;
}

/* Footer */
.site-footer {
  color: #d9e5f7;
  background:
    radial-gradient(circle at 82% 12%, rgba(11, 99, 255, .22), transparent 26rem),
    var(--art-navy);
}

.footer-inner {
  width: min(var(--art-wide), calc(100% - 2rem));
  margin-inline: auto;
  padding: clamp(2.6rem, 5vw, 4.6rem) 0 1.25rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(170px, .55fr));
  gap: clamp(1.4rem, 4vw, 3rem);
}

.footer-brand {
  display: flex;
  gap: .8rem;
  align-items: flex-start;
}

.footer-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 18px;
  background: #ffffff;
}

.footer-title {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 800;
}

.footer-copy,
.footer-col p,
.footer-bottom {
  color: #b7c8e6;
}

.footer-col h2,
.footer-col h3 {
  margin: 0 0 .75rem;
  color: #ffffff;
  font-size: .95rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.footer-menu,
.footer-col ul {
  display: grid;
  gap: .42rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col a,
.footer-menu a {
  color: #d9e5f7;
  text-decoration: none;
}

.footer-col a:hover,
.footer-menu a:hover {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: .2em;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: .9rem;
}

.footer-bottom a {
  color: #d9e5f7;
}

/* WordPress utility alignment */
.aligncenter {
  margin-right: auto;
  margin-left: auto;
}

.alignleft {
  float: left;
  margin: .4rem 1.2rem .8rem 0;
}

.alignright {
  float: right;
  margin: .4rem 0 .8rem 1.2rem;
}

.wp-caption {
  max-width: 100%;
}

.wp-caption-text,
.gallery-caption {
  color: var(--art-subtle);
  font-size: .9rem;
}

.sticky,
.bypostauthor {
  outline: 0;
}

/* Motion
 * Core content is visible by default. Earlier releases hid .reveal elements
 * until JavaScript ran, which inverted progressive enhancement and could make
 * valid server-rendered HTML look blank when an asset was blocked or stale.
 */
.reveal,
.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity .45s ease, transform .45s ease;
}

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

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1100px) {
  .header-cta {
    display: none;
  }

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

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

@media (max-width: 1180px) {
  :root {
    --art-header-h: 70px;
  }

  .admin-bar .site-header {
    top: 32px;
  }

  .nav-toggle {
    display: inline-flex;
  }


  html.no-js .nav-toggle {
    display: none;
  }

  html.no-js .header-inner,
  html.no-js .header-actions {
    flex-wrap: wrap;
  }

  html.no-js .header-actions,
  html.no-js .primary-nav {
    width: 100%;
  }

  html.no-js .primary-nav {
    position: static;
    top: auto;
    transform: none;
  }

  .primary-nav {
    position: fixed;
    top: var(--art-header-h);
    right: 0;
    left: 0;
    display: block;
    padding: .75rem;
    background: rgba(7, 17, 38, .98);
    border-bottom: 1px solid rgba(255,255,255,.12);
    box-shadow: var(--art-shadow-md);
    transform: translateY(-120%);
    transition: transform .2s ease;
  }

  .admin-bar .primary-nav {
    top: calc(var(--art-header-h) + 32px);
  }

  body.nav-open .primary-nav {
    transform: translateY(0);
  }

  .primary-menu,
  .primary-nav ul {
    display: grid;
    gap: .25rem;
  }

  .primary-nav a {
    width: 100%;
    border-radius: 14px;
  }

  .primary-nav .sub-menu {
    position: static;
    visibility: visible;
    opacity: 1;
    transform: none;
    margin-left: .75rem;
    border-radius: 14px;
    box-shadow: none;
    background: rgba(255,255,255,.05);
  }

  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .logo-card img {
    max-width: 520px;
  }

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

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

@media (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }

  .admin-bar .primary-nav {
    top: calc(var(--art-header-h) + 46px);
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .brand-kicker {
    display: none;
  }

  .brand-mark,
  .custom-logo-link img {
    width: 46px;
    height: 46px;
    border-radius: 14px;
  }

  .grid.two,
  .grid.three,
  .grid.four,
  .footer-grid,
  .metric-strip {
    grid-template-columns: 1fr;
  }

  .layer {
    grid-template-columns: 1fr;
  }

  .runtime-stat-card {
    position: static;
    margin: -1rem 1rem 0;
  }

  .search-form {
    display: grid;
  }

  .search-submit {
    width: 100%;
  }

  .footer-bottom {
    display: grid;
  }
}

@media (max-width: 420px) {
  .container,
  .content-width,
  .wide-container,
  .entry-content > :where(p, h1, h2, h3, h4, h5, h6, ul, ol, blockquote, table, pre),
  .entry-header,
  .comments-area,
  .post-navigation,
  .posts-navigation,
  .hero-grid,
  .footer-inner,
  .header-inner {
    width: min(100% - 1rem, var(--art-max));
  }

  .hero h1,
  .page-title,
  .entry-title {
    letter-spacing: -.055em;
  }
}


/* v1.1.0 expanded reference components */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
  margin: 0 0 1rem;
  color: var(--art-muted);
  font-size: .92rem;
}

.breadcrumbs a {
  color: var(--art-blue-strong);
  font-weight: 700;
}

.reference-content {
  max-width: 1040px;
  margin: 0 auto;
}

.reference-content > * + * {
  margin-top: 1.35rem;
}

.article-meta-strip,
.term-category-list {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: 1.2rem 0;
}

.article-meta-strip span,
.term-category-list a,
.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: .35rem .7rem;
  border: 1px solid var(--art-line);
  border-radius: 999px;
  color: var(--art-muted);
  background: #fff;
  font-size: .86rem;
  font-weight: 700;
  text-decoration: none;
}

.takeaways,
.article-toc,
.callout,
.sources-block,
.related-pages,
.filter-panel {
  padding: clamp(1.1rem, 2vw, 1.6rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #fff;
  box-shadow: var(--art-shadow-sm);
}

.takeaways ul,
.related-pages ul,
.source-list {
  margin-bottom: 0;
}

.article-toc ol {
  columns: 2;
  margin-bottom: 0;
}

.article-section {
  padding-block: .5rem;
}

.article-section h2 {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.reviewed-note {
  color: var(--art-muted);
  font-size: .94rem;
  font-weight: 650;
}

.runtime-stack-diagram,
.pipeline,
.flowline {
  display: grid;
  gap: .75rem;
  margin: 2rem 0;
  padding: clamp(1rem, 2vw, 1.4rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-lg);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.runtime-stack-diagram figcaption,
.pipeline figcaption,
.flowline figcaption,
.runtime-table-wrap figcaption {
  margin-bottom: .75rem;
  color: var(--art-muted);
  font-weight: 800;
}

.stack-layer,
.pipeline-step,
.flow-step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: .7rem 1rem;
  align-items: start;
  padding: .9rem 1rem;
  border: 1px solid var(--art-line);
  border-radius: 18px;
  background: linear-gradient(135deg, #ffffff, #f4f8ff);
}

.stack-layer span,
.pipeline-step span {
  color: var(--art-blue-strong);
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.stack-layer p,
.pipeline-step p,
.flow-step p {
  grid-column: 2;
  margin: -.25rem 0 0;
  color: var(--art-muted);
}

.flowline {
  grid-template-columns: repeat(7, minmax(0, 1fr));
  overflow-x: auto;
}

.flowline figcaption {
  grid-column: 1 / -1;
}

.flow-step {
  grid-template-columns: 1fr;
  min-width: 165px;
}

.flow-step p {
  grid-column: 1;
}

.runtime-table-wrap {
  overflow-x: auto;
  border-radius: var(--art-radius-md);
  margin-block: 1.2rem;
}

.code-block {
  overflow-x: auto;
  padding: 1.1rem;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  color: #d9e5f7;
  background: #071126;
  font-family: var(--art-mono);
  font-size: .9rem;
  line-height: 1.55;
}

.filter-panel {
  display: grid;
  gap: .55rem;
}

.filter-input {
  width: 100%;
  padding: .85rem 1rem;
  border: 1px solid var(--art-line-strong);
  border-radius: 14px;
  color: var(--art-ink);
  background: #fff;
}

.glossary-grid,
.runtime-directory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.glossary-category {
  grid-column: 1 / -1;
  margin: 1.2rem 0 .15rem;
  padding-top: .75rem;
  border-top: 1px solid var(--art-line);
}

.term-card,
.runtime-card,
.runtime-profile-facts {
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #fff;
  box-shadow: var(--art-shadow-sm);
}

.term-card h3,
.runtime-card h3 {
  margin-top: 0;
  font-size: 1.08rem;
}

.term-meta {
  color: var(--art-muted);
  font-size: .92rem;
}

.runtime-card dl,
.runtime-profile-facts dl {
  display: grid;
  gap: .5rem;
  margin: .9rem 0;
}

.runtime-card dl div,
.runtime-profile-facts dl div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: .6rem;
}

.runtime-card dt,
.runtime-profile-facts dt {
  color: var(--art-muted);
  font-weight: 800;
}

.runtime-card dd,
.runtime-profile-facts dd {
  margin: 0;
}

.is-filtered-out {
  display: none !important;
}

.number-list {
  display: grid;
  gap: .55rem;
  margin: 0;
  padding-left: 1.35rem;
}

.center-actions {
  justify-content: center;
}

@media (max-width: 1080px) {
  .flowline,
  .glossary-grid,
  .runtime-directory-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-toc ol {
    columns: 1;
  }
}

@media (max-width: 720px) {
  .stack-layer,
  .pipeline-step {
    grid-template-columns: 1fr;
  }

  .stack-layer p,
  .pipeline-step p {
    grid-column: 1;
  }

  .flowline,
  .glossary-grid,
  .runtime-directory-grid {
    grid-template-columns: 1fr;
  }

  .runtime-card dl div,
  .runtime-profile-facts dl div {
    grid-template-columns: 1fr;
  }
}


/* v1.1.1 link hub components */
.link-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.2rem 0;
}

.link-card {
  position: relative;
  min-height: 100%;
  padding: clamp(1.05rem, 2vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: linear-gradient(135deg, #ffffff, #f5f8ff);
  box-shadow: var(--art-shadow-sm);
}

.link-card h3 {
  margin: .35rem 0 .45rem;
  color: var(--art-ink);
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  line-height: 1.18;
}

.link-card p {
  color: var(--art-muted);
}

.priority-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: .28rem .58rem;
  border-radius: 999px;
  color: var(--art-ink);
  background: var(--art-blue-soft);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.priority-badge.high {
  color: #ffffff;
  background: var(--art-blue-strong);
}

.priority-badge.medium {
  color: var(--art-blue-strong);
  background: #e7f0ff;
}

@media (max-width: 1080px) {
  .link-hub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .link-hub-grid {
    grid-template-columns: 1fr;
  }
}


/* v1.1.2 resources page components */
.resource-hero .entry-header {
  max-width: 1060px;
}

.resource-supporting-copy {
  max-width: 820px;
  color: var(--art-muted);
  font-size: clamp(1rem, 1.6vw, 1.16rem);
}

.resource-anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.4rem;
}

.resource-anchor-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.65rem;
  padding: .62rem .86rem;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, .08);
  text-decoration: none;
}

.resource-anchor-nav a:hover,
.resource-anchor-nav a:focus-visible {
  color: #ffffff;
  background: rgba(11, 99, 255, .42);
}

.resource-section {
  scroll-margin-top: calc(var(--art-header-h) + 2rem);
}

.resource-internal-grid,
.resource-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.2rem 0 1.5rem;
}

.resource-internal-card,
.resource-card,
.resource-role-callout,
.resource-callout,
.resource-faq-item {
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.resource-internal-card {
  padding: 1.1rem;
}

.resource-internal-card h3,
.resource-card h3,
.resource-flow h3 {
  margin: .15rem 0 .4rem;
  line-height: 1.18;
}

.resource-internal-card p,
.resource-card p,
.resource-flow p {
  color: var(--art-muted);
}

.resource-role-callout {
  padding: clamp(1.1rem, 2vw, 1.45rem);
  background: linear-gradient(135deg, #ffffff, #eef4ff);
}

.resource-role-callout dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .9rem;
  margin: .9rem 0 0;
}

.resource-role-callout dl div {
  padding: .85rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  background: rgba(255, 255, 255, .74);
}

.resource-role-callout dt {
  font-weight: 850;
}

.resource-role-callout dd {
  margin: .25rem 0 0;
  color: var(--art-muted);
}

.resource-category-section {
  padding-top: .6rem;
}

.resource-callout {
  padding: clamp(1rem, 2vw, 1.35rem);
  margin: 1rem 0;
  border-left: 6px solid var(--art-blue);
  background: #f8fbff;
}

.resource-callout.warning {
  border-left-color: #b45309;
  background: #fff8ed;
}

.compact-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .45rem .9rem;
  padding-left: 1.2rem;
}

.resource-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(1rem, 2vw, 1.35rem);
}

.resource-card-header {
  padding-bottom: .75rem;
  margin-bottom: .75rem;
  border-bottom: 1px solid var(--art-line);
}

.resource-type {
  display: inline-flex;
  width: fit-content;
  margin: 0 0 .45rem;
  padding: .26rem .58rem;
  border-radius: 999px;
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.resource-maintainer {
  margin: 0;
  color: var(--art-muted);
  font-size: .94rem;
  font-weight: 700;
}

.resource-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  padding: 0;
  margin: auto 0 1rem;
  list-style: none;
}

.resource-tags li {
  padding: .28rem .55rem;
  border: 1px solid var(--art-line);
  border-radius: 999px;
  color: var(--art-muted);
  background: #f7f9fd;
  font-size: .82rem;
  font-weight: 720;
}

.resource-card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
}

.resource-external-link {
  gap: .4rem;
}

.external-link-indicator {
  font-weight: 900;
  line-height: 1;
}

.resource-related-link {
  font-weight: 760;
}

.resource-note {
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  background: #ffffff;
}

.resource-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.2rem 0;
  padding: 0;
  list-style: none;
  counter-reset: resource-flow;
}

.resource-flow li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.resource-flow-index {
  display: inline-grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 50%;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-weight: 900;
}

.resource-faq-list {
  display: grid;
  gap: .75rem;
}

.resource-faq-item {
  padding: .95rem 1rem;
}

.resource-faq-item summary {
  cursor: pointer;
  color: var(--art-ink);
  font-weight: 850;
}

.resource-faq-item p {
  color: var(--art-muted);
}

:where(a, button, summary, input, textarea, select):focus-visible {
  outline: 3px solid rgba(11, 99, 255, .55);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .resource-internal-grid,
  .resource-card-grid,
  .resource-role-callout dl,
  .resource-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .resource-internal-grid,
  .resource-card-grid,
  .resource-role-callout dl,
  .compact-checks,
  .resource-flow {
    grid-template-columns: 1fr;
  }

  .resource-anchor-nav a {
    width: 100%;
    justify-content: center;
  }
}

/* v1.1.3 source-reviewed resource profile components */
.resource-profile-index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .85rem;
  margin: 1.15rem 0;
}

.resource-profile-index a {
  display: grid;
  gap: .25rem;
  min-height: 5.75rem;
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  color: var(--art-ink);
  background: #ffffff;
  text-decoration: none;
  box-shadow: var(--art-shadow-sm);
}

.resource-profile-index a:hover,
.resource-profile-index a:focus-visible {
  border-color: rgba(11, 99, 255, .46);
  box-shadow: 0 16px 34px rgba(8, 28, 63, .12);
}

.resource-profile-index span {
  color: var(--art-muted);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.resource-profile-summary {
  padding: clamp(1.05rem, 2vw, 1.4rem);
  margin: 1.2rem 0;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: linear-gradient(135deg, #ffffff, #eef4ff);
  box-shadow: var(--art-shadow-sm);
}

.resource-profile-summary .runtime-profile-facts,
dl.runtime-profile-facts {
  display: grid;
  gap: .65rem;
  margin: .9rem 0 1rem;
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  background: #ffffff;
}

.resource-profile-summary .runtime-profile-facts div,
dl.runtime-profile-facts div {
  display: grid;
  grid-template-columns: minmax(130px, .34fr) 1fr;
  gap: .75rem;
  align-items: start;
}

.resource-profile-summary .runtime-profile-facts dt,
dl.runtime-profile-facts dt {
  color: var(--art-muted);
  font-weight: 850;
}

.resource-profile-summary .runtime-profile-facts dd,
dl.runtime-profile-facts dd {
  margin: 0;
}

@media (max-width: 1080px) {
  .resource-profile-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .resource-profile-index,
  .resource-profile-summary .runtime-profile-facts div,
  dl.runtime-profile-facts div {
    grid-template-columns: 1fr;
  }
}

.numbered-list {
  display: grid;
  gap: .65rem;
  padding-left: 1.35rem;
}

/* v1.1.4 contact and professional profile components */
.contact-hero .entry-header {
  max-width: 1080px;
}

.contact-hero-actions,
.contact-panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.35rem;
}

.contact-meta-strip {
  margin-top: 1.25rem;
}

.contact-content {
  width: min(1080px, calc(100% - 2rem));
  max-width: none;
}

.contact-section,
.contact-primary-grid {
  scroll-margin-top: calc(var(--art-header-h) + 1.25rem);
}

.contact-primary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.contact-panel,
.contact-experience-card,
.contact-project-card,
.contact-credential-card {
  min-height: 100%;
  padding: clamp(1.1rem, 2.4vw, 1.55rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.contact-panel-primary {
  border-color: rgba(11, 99, 255, .24);
  background:
    radial-gradient(circle at 90% 0%, rgba(11, 99, 255, .14), transparent 16rem),
    linear-gradient(135deg, #ffffff, #eef5ff);
}

.contact-panel h2,
.contact-credential-card h2 {
  margin: .55rem 0 .75rem;
  color: var(--art-ink);
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.contact-address {
  display: grid;
  gap: .32rem;
  margin: .9rem 0 1.15rem;
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  color: var(--art-muted);
  background: rgba(255, 255, 255, .82);
  font-style: normal;
}

.contact-address strong {
  color: var(--art-ink);
  font-size: 1.12rem;
}

.contact-address a {
  width: fit-content;
  font-weight: 780;
}

.contact-social-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .85rem;
  margin-top: 1.15rem;
}

.contact-social-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  min-height: 9rem;
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  color: var(--art-muted);
  background: linear-gradient(145deg, #ffffff, #f4f8ff);
  text-decoration: none;
  box-shadow: var(--art-shadow-sm);
}

.contact-social-card:hover,
.contact-social-card:focus-visible {
  color: var(--art-muted);
  border-color: rgba(11, 99, 255, .42);
  box-shadow: 0 16px 34px rgba(8, 28, 63, .12);
  transform: translateY(-1px);
}

.contact-social-label {
  color: var(--art-blue-strong);
  font-size: 1.06rem;
  font-weight: 850;
}

.contact-experience-grid,
.contact-project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.15rem;
}

.contact-experience-card h3,
.contact-project-card h3 {
  margin: 0 0 .5rem;
  color: var(--art-ink);
  font-size: clamp(1.12rem, 2vw, 1.38rem);
  line-height: 1.18;
}

.contact-experience-card p,
.contact-project-card p {
  margin-bottom: 0;
}

.contact-split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  gap: 1rem;
  align-items: start;
}

.contact-specialty-list {
  display: grid;
  gap: .65rem;
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
}

.contact-specialty-list li {
  position: relative;
  padding: .82rem .9rem .82rem 2.25rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  color: var(--art-ink);
  background: #ffffff;
  font-weight: 700;
}

.contact-specialty-list li::before {
  position: absolute;
  top: .82rem;
  left: .88rem;
  width: .75rem;
  height: .75rem;
  border-radius: 50%;
  background: var(--art-blue);
  box-shadow: 0 0 0 4px var(--art-blue-soft);
  content: "";
}

.contact-credential-card {
  position: sticky;
  top: calc(var(--art-header-h) + 1.25rem);
  background: linear-gradient(150deg, #ffffff, #eef4ff);
}

.contact-credential-card ul {
  display: grid;
  gap: .55rem;
  padding-left: 1.15rem;
  margin-bottom: 0;
}

.contact-project-card a {
  text-decoration: none;
}

.contact-guidance {
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border: 1px solid rgba(11, 99, 255, .24);
  border-radius: var(--art-radius-md);
  background:
    radial-gradient(circle at 100% 0%, rgba(11, 99, 255, .15), transparent 20rem),
    #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.contact-privacy-note {
  margin-bottom: 0;
  padding-top: .9rem;
  border-top: 1px solid var(--art-line);
  font-size: .94rem;
}

@media (max-width: 1080px) {
  .contact-social-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .contact-primary-grid,
  .contact-experience-grid,
  .contact-project-grid,
  .contact-split-section,
  .contact-social-grid {
    grid-template-columns: 1fr;
  }

  .contact-social-card {
    min-height: 0;
  }

  .contact-credential-card {
    position: static;
  }

  .contact-hero-actions .button,
  .contact-panel-actions .button {
    width: 100%;
  }
}

.contact-career-snapshot {
  margin-top: 1rem;
  padding: clamp(1.05rem, 2.4vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: linear-gradient(145deg, #ffffff, #f7f9fd);
  box-shadow: var(--art-shadow-sm);
}

.contact-career-snapshot h3 {
  margin: 0 0 .8rem;
  color: var(--art-ink);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
}

.contact-career-snapshot dl {
  display: grid;
  gap: 0;
  margin: 0;
}

.contact-career-snapshot dl div {
  display: grid;
  grid-template-columns: minmax(210px, .82fr) minmax(0, 1.18fr);
  gap: 1rem;
  padding: .8rem 0;
  border-top: 1px solid var(--art-line);
}

.contact-career-snapshot dl div:first-child {
  padding-top: 0;
  border-top: 0;
}

.contact-career-snapshot dt {
  color: var(--art-ink);
  font-weight: 820;
}

.contact-career-snapshot dd {
  margin: 0;
  color: var(--art-muted);
}

@media (max-width: 760px) {
  .contact-career-snapshot dl div {
    grid-template-columns: 1fr;
    gap: .25rem;
  }
}

.contact-content > * {
  max-width: none;
}

/* v1.2.0 AI Runtime Overview cornerstone page */
.overview-hero .entry-header {
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.overview-content {
  max-width: 1120px;
}

.overview-content > * {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.overview-takeaways {
  border-color: rgba(11, 99, 255, .24);
  background:
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(238,244,255,.96));
}

.overview-takeaways li + li {
  margin-top: .65rem;
}

.overview-toc ol {
  columns: 3;
  column-gap: 2rem;
}

.overview-toc li {
  break-inside: avoid;
  margin-bottom: .35rem;
}

.overview-section {
  padding-block: clamp(1.4rem, 3vw, 2.6rem);
  border-top: 1px solid var(--art-line);
}

.overview-section > .section-eyebrow {
  margin-bottom: .75rem;
}

.overview-section > h2 {
  max-width: 24ch;
}

.overview-definition-callout,
.overview-selection-callout {
  margin-top: 1.5rem;
  border-left: 5px solid var(--art-blue);
}

.overview-citation {
  margin-left: .15rem;
  font-size: .72em;
  line-height: 0;
  vertical-align: super;
}

.overview-citation a {
  display: inline-block;
  padding: .08rem .12rem;
  border-radius: 5px;
  font-weight: 850;
  text-decoration: none;
}

.overview-citation a:hover,
.overview-citation a:focus-visible {
  color: #ffffff;
  background: var(--art-blue-strong);
}

.overview-comparison-table .runtime-table {
  min-width: 980px;
}

.overview-stack-diagram {
  margin: 2rem 0;
  padding: clamp(1rem, 2.5vw, 1.75rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-lg);
  background:
    radial-gradient(circle at 86% 8%, rgba(11, 99, 255, .14), transparent 22rem),
    #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.overview-stack-diagram figcaption,
.overview-lifecycle figcaption {
  margin-bottom: 1rem;
  color: var(--art-muted);
  font-weight: 800;
}

.overview-stack-diagram ol,
.overview-lifecycle ol {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.overview-stack-layer {
  position: relative;
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem 1.1rem;
  border: 1px solid var(--art-line);
  border-radius: 20px;
  background: linear-gradient(135deg, #ffffff, #f3f7ff);
}

.overview-stack-layer::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 52px;
  width: 2px;
  height: .76rem;
  background: var(--art-line-strong);
}

.overview-stack-layer:last-child::after {
  display: none;
}

.overview-layer-number,
.overview-card-label {
  color: var(--art-blue-strong);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.overview-stack-layer h3,
.overview-responsibility-card h3,
.overview-deployment-card h3,
.overview-example-card h3,
.overview-misconception-list h3,
.overview-lifecycle h3 {
  margin: 0;
  color: var(--art-ink);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.overview-stack-layer p {
  margin: .45rem 0 0;
  color: var(--art-muted);
}

.overview-layer-boundary {
  padding-top: .45rem;
  border-top: 1px dashed var(--art-line-strong);
  font-size: .94rem;
}

.overview-responsibility-grid,
.overview-deployment-grid,
.overview-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.overview-responsibility-card,
.overview-deployment-card,
.overview-example-card,
.overview-objective-panel,
.overview-author-card {
  padding: clamp(1.05rem, 2.2vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.overview-responsibility-card p:last-child,
.overview-deployment-card p:last-child,
.overview-example-card p:last-child {
  margin-bottom: 0;
  color: var(--art-muted);
}

.overview-card-label {
  margin: 0 0 .45rem;
}

.overview-lifecycle-grid,
.overview-objective-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.overview-lifecycle {
  margin: 0;
  padding: clamp(1rem, 2vw, 1.4rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.overview-lifecycle li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: .8rem;
  padding: .8rem 0;
  border-top: 1px solid var(--art-line);
}

.overview-lifecycle li:first-child {
  border-top: 0;
}

.overview-lifecycle li > span {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-size: .78rem;
  font-weight: 900;
}

.overview-lifecycle p {
  margin: .25rem 0 0;
  color: var(--art-muted);
  font-size: .94rem;
}

.overview-objective-panel h3 {
  margin-top: 0;
}

.overview-objective-panel dl {
  margin: 0;
}

.overview-objective-panel dl div {
  padding: .8rem 0;
  border-top: 1px solid var(--art-line);
}

.overview-objective-panel dl div:first-child {
  border-top: 0;
}

.overview-objective-panel dt {
  color: var(--art-ink);
  font-weight: 850;
}

.overview-objective-panel dd {
  margin: .2rem 0 0;
  color: var(--art-muted);
}

.overview-misconception-list {
  display: grid;
  gap: .85rem;
  margin-top: 1.25rem;
}

.overview-misconception-list article {
  padding: 1rem 1.15rem;
  border: 1px solid var(--art-line);
  border-left: 5px solid var(--art-blue);
  border-radius: 18px;
  background: #ffffff;
}

.overview-misconception-list p {
  margin: .35rem 0 0;
  color: var(--art-muted);
}

.overview-selection-list {
  display: grid;
  gap: .75rem;
  margin: 1.2rem 0 0;
  padding-left: 1.5rem;
}

.overview-selection-list li {
  padding-left: .35rem;
}

.overview-faq-list {
  margin-top: 1.2rem;
}

.overview-sources li {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.overview-sources li:target {
  padding: .35rem .5rem;
  border-radius: 10px;
  background: var(--art-blue-soft);
}

.overview-related-pages {
  margin-top: 1.5rem;
}

.overview-author-card {
  margin: 1.5rem 0 3rem;
  border-color: rgba(11, 99, 255, .25);
  background:
    radial-gradient(circle at 92% 15%, rgba(11, 99, 255, .14), transparent 18rem),
    linear-gradient(135deg, #ffffff, #f2f6ff);
}

.overview-author-card h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.65rem);
}

.overview-author-card > p:not(.overview-card-label) {
  max-width: 72ch;
  color: var(--art-muted);
}

@media (max-width: 1080px) {
  .overview-toc ol {
    columns: 2;
  }
}

@media (max-width: 820px) {
  .overview-responsibility-grid,
  .overview-deployment-grid,
  .overview-example-grid,
  .overview-lifecycle-grid,
  .overview-objective-grid {
    grid-template-columns: 1fr;
  }

  .overview-stack-layer {
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .overview-stack-layer::after {
    left: 41px;
  }
}

@media (max-width: 620px) {
  .overview-toc ol {
    columns: 1;
  }

  .overview-stack-layer {
    grid-template-columns: 1fr;
  }

  .overview-stack-layer::after {
    left: 1.5rem;
  }

  .overview-layer-number {
    display: inline-flex;
    width: fit-content;
    padding: .28rem .55rem;
    border: 1px solid rgba(11, 99, 255, .22);
    border-radius: 999px;
    background: var(--art-blue-soft);
  }

  .overview-lifecycle li {
    grid-template-columns: 38px minmax(0, 1fr);
  }
}

/* v1.3.0 AI Runtime Taxonomy cornerstone page */
.taxonomy-hero .entry-header {
  max-width: 1040px;
}

.taxonomy-content {
  max-width: 1120px;
}

.taxonomy-content > * {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.taxonomy-takeaways {
  border-color: rgba(11, 99, 255, .24);
  background:
    radial-gradient(circle at 92% 10%, rgba(11, 99, 255, .13), transparent 18rem),
    #ffffff;
}

.taxonomy-takeaways li + li {
  margin-top: .55rem;
}

.taxonomy-toc ol {
  columns: 3;
  column-gap: 2rem;
}

.taxonomy-toc li {
  break-inside: avoid;
  margin-bottom: .35rem;
}

.taxonomy-section {
  padding-block: .65rem;
}

.taxonomy-section > .section-eyebrow {
  margin-bottom: .35rem;
}

.taxonomy-section > h2 {
  margin-top: 0;
}

.taxonomy-definition-callout,
.taxonomy-protocol-callout,
.taxonomy-scope-callout {
  margin-top: 1.25rem;
  border-left: 5px solid var(--art-blue-strong);
}

.taxonomy-citation {
  margin-left: .16rem;
  font-size: .74em;
  font-weight: 850;
  vertical-align: super;
}

.taxonomy-citation a {
  display: inline-flex;
  padding: .05rem .22rem;
  border-radius: 6px;
  color: var(--art-blue-strong);
  text-decoration: none;
}

.taxonomy-citation a:hover,
.taxonomy-citation a:focus-visible {
  color: #ffffff;
  background: var(--art-blue-strong);
}

.taxonomy-card-label {
  margin: 0 0 .45rem;
  color: var(--art-blue-strong);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.taxonomy-axis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.taxonomy-axis-card,
.taxonomy-subtype-card,
.taxonomy-serving-card,
.taxonomy-deployment-card,
.taxonomy-hardware-card,
.taxonomy-span-card,
.taxonomy-agentic-grid article {
  min-width: 0;
  padding: clamp(1.05rem, 2vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.taxonomy-axis-card h3,
.taxonomy-subtype-card h3,
.taxonomy-serving-card h3,
.taxonomy-deployment-card h3,
.taxonomy-hardware-card h3,
.taxonomy-span-card h3,
.taxonomy-agentic-grid h3 {
  margin: 0;
  color: var(--art-ink);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.taxonomy-axis-card p:last-child,
.taxonomy-deployment-card p:last-child,
.taxonomy-hardware-card p:last-child,
.taxonomy-span-card p:last-child,
.taxonomy-agentic-grid p:last-child {
  margin-bottom: 0;
  color: var(--art-muted);
}

.taxonomy-layer-map {
  margin: 1.5rem 0;
  padding: clamp(1rem, 2vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-lg);
  background:
    linear-gradient(180deg, rgba(11, 99, 255, .045), rgba(255, 255, 255, .9)),
    #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.taxonomy-layer-map figcaption,
.taxonomy-decision-tree figcaption {
  margin-bottom: 1rem;
  color: var(--art-muted);
  font-weight: 850;
}

.taxonomy-layer-map ol,
.taxonomy-decision-tree ol {
  display: grid;
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.taxonomy-layer {
  position: relative;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) minmax(260px, .75fr);
  gap: 1rem;
  align-items: start;
  padding: 1.1rem;
  border: 1px solid var(--art-line);
  border-radius: 20px;
  background: #ffffff;
}

.taxonomy-layer::before {
  position: absolute;
  top: -.9rem;
  left: 40px;
  width: 2px;
  height: .9rem;
  content: "";
  background: var(--art-line-strong);
}

.taxonomy-layer:first-child::before {
  display: none;
}

.taxonomy-layer-number {
  display: inline-flex;
  width: 72px;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: .45rem .5rem;
  border: 1px solid rgba(11, 99, 255, .24);
  border-radius: 14px;
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.taxonomy-layer-main h3 {
  margin: 0;
  color: var(--art-ink);
  line-height: 1.2;
}

.taxonomy-layer-main p {
  margin: .45rem 0 0;
  color: var(--art-muted);
}

.taxonomy-layer-contract {
  display: grid;
  gap: .5rem;
  margin: 0;
  padding-left: 1rem;
  border-left: 1px solid var(--art-line);
}

.taxonomy-layer-contract div {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: .5rem;
}

.taxonomy-layer-contract dt {
  color: var(--art-ink);
  font-size: .82rem;
  font-weight: 850;
}

.taxonomy-layer-contract dd {
  margin: 0;
  color: var(--art-muted);
  font-size: .88rem;
  line-height: 1.45;
}

.taxonomy-category-table {
  border: 1px solid var(--art-line);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.taxonomy-category-table .runtime-table {
  min-width: 1420px;
  margin: 0;
}

.taxonomy-category-table th,
.taxonomy-category-table td {
  min-width: 160px;
  vertical-align: top;
}

.taxonomy-category-table th:first-child {
  min-width: 190px;
}

.taxonomy-subtype-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.taxonomy-subtype-card dl {
  margin: .9rem 0 0;
}

.taxonomy-subtype-card dl div {
  padding: .7rem 0;
  border-top: 1px solid var(--art-line);
}

.taxonomy-subtype-card dt {
  color: var(--art-ink);
  font-size: .84rem;
  font-weight: 850;
}

.taxonomy-subtype-card dd {
  margin: .2rem 0 0;
  color: var(--art-muted);
}

.taxonomy-serving-list {
  display: grid;
  gap: .9rem;
  margin-top: 1.35rem;
}

.taxonomy-serving-card {
  display: grid;
  grid-template-columns: minmax(180px, .55fr) minmax(220px, .75fr) minmax(0, 1.7fr);
  gap: 1rem;
  align-items: start;
}

.taxonomy-serving-scope {
  margin: 0;
  color: var(--art-muted);
  font-weight: 650;
}

.taxonomy-serving-contract {
  display: grid;
  gap: .55rem;
  padding-left: 1rem;
  border-left: 1px solid var(--art-line);
}

.taxonomy-serving-contract p {
  margin: 0;
  color: var(--art-muted);
}

.taxonomy-agentic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.taxonomy-deployment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.taxonomy-deployment-card p {
  color: var(--art-muted);
}

.taxonomy-deployment-card strong {
  color: var(--art-ink);
}

.taxonomy-hardware-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.taxonomy-hardware-question {
  padding-top: .75rem;
  border-top: 1px solid var(--art-line);
}

.taxonomy-span-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.taxonomy-span-card {
  border-top: 4px solid rgba(11, 99, 255, .55);
}

.taxonomy-mistake-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .9rem;
  margin-top: 1.35rem;
}

.taxonomy-mistake-list article {
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--art-line);
  border-left: 5px solid var(--art-blue);
  border-radius: 18px;
  background: #ffffff;
}

.taxonomy-mistake-list h3 {
  margin: 0;
  color: var(--art-ink);
  line-height: 1.2;
}

.taxonomy-mistake-list p {
  margin: .4rem 0 0;
  color: var(--art-muted);
}

.taxonomy-decision-tree {
  margin: 1.4rem 0;
  padding: clamp(1rem, 2vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-lg);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.taxonomy-decision-tree li {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: .8rem;
  padding: .9rem 0;
  border-top: 1px solid var(--art-line);
}

.taxonomy-decision-tree li:first-child {
  border-top: 0;
}

.taxonomy-decision-tree li > span {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-size: .8rem;
  font-weight: 900;
}

.taxonomy-decision-tree h3 {
  margin: 0;
  color: var(--art-ink);
  font-size: 1.02rem;
  line-height: 1.35;
}

.taxonomy-decision-tree p {
  margin: .3rem 0 0;
  color: var(--art-muted);
}

.taxonomy-faq-list {
  margin-top: 1.2rem;
}

.taxonomy-sources li {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.taxonomy-sources li:target {
  padding: .35rem .5rem;
  border-radius: 10px;
  background: var(--art-blue-soft);
}

.taxonomy-related-pages {
  margin-top: 1.5rem;
}

.taxonomy-author-card {
  margin-bottom: 3rem;
}

@media (max-width: 1080px) {
  .taxonomy-toc ol {
    columns: 2;
  }

  .taxonomy-axis-grid,
  .taxonomy-subtype-grid,
  .taxonomy-agentic-grid,
  .taxonomy-deployment-grid,
  .taxonomy-hardware-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .taxonomy-layer {
    grid-template-columns: 78px minmax(0, 1fr);
  }

  .taxonomy-layer-contract {
    grid-column: 2;
    padding: .8rem 0 0;
    border-top: 1px solid var(--art-line);
    border-left: 0;
  }

  .taxonomy-serving-card {
    grid-template-columns: minmax(180px, .7fr) minmax(0, 1.3fr);
  }

  .taxonomy-serving-contract {
    grid-column: 1 / -1;
    padding: .8rem 0 0;
    border-top: 1px solid var(--art-line);
    border-left: 0;
  }
}

@media (max-width: 760px) {
  .taxonomy-toc ol {
    columns: 1;
  }

  .taxonomy-axis-grid,
  .taxonomy-subtype-grid,
  .taxonomy-agentic-grid,
  .taxonomy-deployment-grid,
  .taxonomy-hardware-grid,
  .taxonomy-span-grid,
  .taxonomy-mistake-list {
    grid-template-columns: 1fr;
  }

  .taxonomy-layer {
    grid-template-columns: 1fr;
  }

  .taxonomy-layer::before {
    left: 1.5rem;
  }

  .taxonomy-layer-number {
    width: fit-content;
  }

  .taxonomy-layer-contract {
    grid-column: 1;
  }

  .taxonomy-serving-card {
    grid-template-columns: 1fr;
  }

  .taxonomy-serving-contract {
    grid-column: 1;
  }
}

@media (max-width: 520px) {
  .taxonomy-layer-contract div {
    grid-template-columns: 1fr;
  }

  .taxonomy-decision-tree li {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .taxonomy-decision-tree li > span {
    width: 36px;
    height: 36px;
  }
}

/* v1.4.0 How AI Runtimes Work cornerstone page */
.how-runtime-hero .entry-header {
  max-width: 1040px;
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.how-runtime-content {
  max-width: 1120px;
}

.how-runtime-content > * {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.how-runtime-takeaways {
  border-color: rgba(11, 99, 255, .24);
  background:
    radial-gradient(circle at 92% 8%, rgba(11, 99, 255, .12), transparent 20rem),
    linear-gradient(135deg, rgba(255, 255, 255, .99), rgba(238, 244, 255, .96));
}

.how-runtime-takeaways li + li {
  margin-top: .65rem;
}

.how-runtime-toc ol {
  columns: 3;
  column-gap: 2rem;
}

.how-runtime-toc li {
  break-inside: avoid;
  margin-bottom: .35rem;
}

.how-runtime-section {
  padding-block: clamp(1.4rem, 3vw, 2.6rem);
  border-top: 1px solid var(--art-line);
}

.how-runtime-section > .section-eyebrow {
  margin-bottom: .75rem;
}

.how-runtime-section > h2 {
  max-width: 25ch;
}

.how-citation {
  margin-left: .15rem;
  font-size: .72em;
  line-height: 0;
  vertical-align: super;
}

.how-citation a {
  display: inline-block;
  padding: .08rem .12rem;
  border-radius: 5px;
  font-weight: 850;
  text-decoration: none;
}

.how-citation a:hover,
.how-citation a:focus-visible {
  color: #ffffff;
  background: var(--art-blue-strong);
}

.how-track-grid,
.how-llm-grid,
.how-determinism-grid,
.how-async-grid,
.how-checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.how-track-card,
.how-stage-card,
.how-request-card,
.how-llm-grid > article,
.how-determinism-grid > article,
.how-async-grid > article,
.how-checklist-card,
.how-trace-envelope {
  padding: clamp(1.05rem, 2.2vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.how-card-label {
  margin: 0 0 .45rem;
  color: var(--art-blue-strong);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.how-track-card h3,
.how-stage-card h3,
.how-request-card h3,
.how-llm-grid h3,
.how-determinism-grid h3,
.how-async-grid h3,
.how-checklist-card h3,
.how-trace-envelope h3 {
  margin: 0;
  color: var(--art-ink);
  line-height: 1.25;
  letter-spacing: -.02em;
}

.how-track-card > p:not(.how-card-label),
.how-llm-grid p,
.how-determinism-grid p,
.how-async-grid p {
  color: var(--art-muted);
}

.how-track-question {
  padding: .8rem 0;
  border-block: 1px solid var(--art-line);
  color: var(--art-ink) !important;
  font-weight: 750;
}

.how-track-output {
  margin-bottom: 0;
  padding-top: .75rem;
  border-top: 1px dashed var(--art-line-strong);
}

.how-runtime-callout,
.how-runtime-split-callout {
  margin-top: 1.5rem;
  border-left: 5px solid var(--art-blue);
}

.how-runtime-split-callout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.how-runtime-split-callout > div + div {
  padding-left: 1.25rem;
  border-left: 1px solid var(--art-line);
}

.how-model-pipeline,
.how-sequence-diagram,
.how-trace-figure {
  margin: 2rem 0;
  padding: clamp(1rem, 2.5vw, 1.75rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-lg);
  background:
    radial-gradient(circle at 88% 10%, rgba(11, 99, 255, .13), transparent 22rem),
    #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.how-model-pipeline figcaption,
.how-sequence-diagram figcaption,
.how-trace-figure figcaption {
  margin-bottom: 1rem;
  color: var(--art-muted);
  font-weight: 850;
}

.how-model-pipeline ol {
  display: grid;
  grid-template-columns: repeat(9, minmax(118px, 1fr));
  gap: .65rem;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-gutter: stable;
}

.how-pipeline-stage {
  position: relative;
  min-height: 150px;
  padding: .9rem .85rem;
  border: 1px solid var(--art-line);
  border-radius: 18px;
  background: linear-gradient(150deg, #ffffff, #eef4ff);
}

.how-pipeline-stage:not(:last-child)::after {
  content: "→";
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -.58rem;
  display: grid;
  width: 1.05rem;
  height: 1.05rem;
  place-items: center;
  transform: translateY(-50%);
  color: var(--art-blue-strong);
  background: #ffffff;
  font-weight: 900;
}

.how-pipeline-stage span {
  display: inline-flex;
  margin-bottom: .55rem;
  color: var(--art-blue-strong);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.how-pipeline-stage strong {
  display: block;
  color: var(--art-ink);
  line-height: 1.25;
}

.how-pipeline-stage p {
  margin: .45rem 0 0;
  color: var(--art-muted);
  font-size: .88rem;
  line-height: 1.5;
}

.how-stage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.how-stage-card {
  position: relative;
  overflow: hidden;
}

.how-stage-number {
  display: inline-flex;
  min-width: 2.5rem;
  min-height: 2.5rem;
  align-items: center;
  justify-content: center;
  margin-bottom: .7rem;
  border-radius: 13px;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-size: .78rem;
  font-weight: 900;
}

.how-stage-card dl,
.how-request-card dl {
  margin: 1rem 0 0;
}

.how-stage-card dl div,
.how-request-card dl div {
  padding: .7rem 0;
  border-top: 1px solid var(--art-line);
}

.how-stage-card dt,
.how-request-card dt {
  color: var(--art-ink);
  font-size: .8rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.how-stage-card dd,
.how-request-card dd {
  margin: .2rem 0 0;
  color: var(--art-muted);
}

.how-sequence-participants {
  display: grid;
  grid-template-columns: repeat(7, minmax(105px, 1fr));
  gap: .5rem;
  margin-bottom: .8rem;
  overflow-x: auto;
}

.how-sequence-participants span {
  padding: .55rem .65rem;
  border-radius: 12px;
  color: #ffffff;
  background: var(--art-navy-2);
  font-size: .76rem;
  font-weight: 800;
  text-align: center;
}

.how-sequence-diagram ol {
  display: grid;
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.how-sequence-diagram li {
  display: grid;
  grid-template-columns: 45px minmax(200px, .8fr) minmax(0, 1.2fr);
  gap: .8rem;
  align-items: center;
  padding: .75rem .85rem;
  border: 1px solid var(--art-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, .9);
}

.how-sequence-step {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-size: .76rem;
  font-weight: 900;
}

.how-sequence-route {
  display: flex;
  gap: .55rem;
  align-items: center;
  color: var(--art-ink);
  font-size: .9rem;
}

.how-sequence-route span {
  color: var(--art-blue-strong);
  font-weight: 900;
}

.how-sequence-diagram li p {
  margin: 0;
  color: var(--art-muted);
}

.how-request-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.how-request-card-heading {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: .75rem;
  align-items: center;
}

.how-request-card-heading > span {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 13px;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-size: .76rem;
  font-weight: 900;
}

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

.how-llm-grid > article {
  border-top: 4px solid rgba(11, 99, 255, .6);
}

.how-failure-table {
  min-width: 980px;
}

.how-failure-table-wrap:focus-visible {
  outline: 3px solid rgba(11, 99, 255, .55);
  outline-offset: 3px;
}

.how-determinism-grid > article,
.how-async-grid > article {
  border-left: 4px solid rgba(11, 99, 255, .55);
}

.how-determinism-grid h3,
.how-async-grid h3 {
  font-size: 1.05rem;
}

.how-trace-list {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.how-trace-list li {
  display: grid;
  grid-template-columns: minmax(170px, .8fr) minmax(280px, 1.4fr) minmax(220px, 1fr);
  gap: .85rem;
  align-items: center;
  padding: .75rem 0;
  border-top: 1px solid var(--art-line);
}

.how-trace-list li:first-child {
  border-top: 0;
}

.how-trace-label {
  display: grid;
  gap: .1rem;
}

.how-trace-label strong {
  color: var(--art-ink);
  line-height: 1.3;
}

.how-trace-label span,
.how-trace-result > span {
  color: var(--art-subtle);
  font-size: .82rem;
  font-weight: 700;
}

.how-trace-track {
  position: relative;
  height: 16px;
  overflow: hidden;
  border: 1px solid var(--art-line);
  border-radius: 999px;
  background:
    repeating-linear-gradient(90deg, rgba(9, 20, 39, .035) 0 9.8%, rgba(9, 20, 39, .09) 10% 10.2%),
    #f3f6fb;
}

.how-trace-track span {
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: var(--trace-start);
  width: var(--trace-width);
  min-width: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--art-blue-strong), #4d8dff);
  box-shadow: 0 0 12px rgba(11, 99, 255, .28);
}

.how-trace-result p {
  margin: .2rem 0 0;
  color: var(--art-muted);
  font-size: .88rem;
  line-height: 1.45;
}

.how-trace-envelope {
  margin-top: 1rem;
  border-color: rgba(11, 99, 255, .24);
  background: linear-gradient(145deg, #ffffff, #eef4ff);
}

.how-trace-envelope .code-block {
  margin: 1rem 0 .5rem;
}

.how-checklist-card ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.how-checklist-card li + li {
  margin-top: .45rem;
}

.how-faq-list {
  margin-top: 1.2rem;
}

.how-sources li {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.how-sources li:target {
  padding: .35rem .5rem;
  border-radius: 10px;
  background: var(--art-blue-soft);
}

.how-related-pages {
  margin-top: 1.5rem;
}

.how-author-card {
  margin: 1.5rem 0 3rem;
}

@media (max-width: 1080px) {
  .how-runtime-toc ol {
    columns: 2;
  }

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

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

  .how-trace-list li {
    grid-template-columns: minmax(150px, .7fr) minmax(240px, 1.3fr);
  }

  .how-trace-result {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  .how-runtime-toc ol {
    columns: 1;
  }

  .how-track-grid,
  .how-stage-grid,
  .how-request-grid,
  .how-llm-grid,
  .how-determinism-grid,
  .how-async-grid,
  .how-checklist-grid,
  .how-runtime-split-callout {
    grid-template-columns: 1fr;
  }

  .how-runtime-split-callout > div + div {
    padding-top: 1rem;
    padding-left: 0;
    border-top: 1px solid var(--art-line);
    border-left: 0;
  }

  .how-sequence-participants {
    display: none;
  }

  .how-sequence-diagram li {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .how-sequence-diagram li p {
    grid-column: 2;
  }

  .how-trace-list li {
    grid-template-columns: 1fr;
  }

  .how-trace-result {
    grid-column: 1;
  }
}

@media (max-width: 520px) {
  .how-model-pipeline,
  .how-sequence-diagram,
  .how-trace-figure {
    padding: .9rem;
    border-radius: var(--art-radius-md);
  }

  .how-pipeline-stage {
    min-width: 128px;
  }

  .how-request-card-heading {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .how-request-card-heading > span,
  .how-sequence-step {
    width: 36px;
    height: 36px;
  }

  .how-sequence-route {
    flex-wrap: wrap;
  }
}

/* Runtime Architecture cornerstone */
.runtime-architecture-hero {
  background:
    linear-gradient(120deg, rgba(7, 17, 38, .97), rgba(14, 29, 60, .94)),
    radial-gradient(circle at 82% 22%, rgba(11, 99, 255, .42), transparent 30rem);
}

.runtime-architecture-content {
  padding-bottom: 1rem;
}

.runtime-architecture-content > :where(section, nav, aside),
.runtime-architecture-content > .article-section {
  width: min(var(--art-max), calc(100% - 2rem));
  margin-inline: auto;
}

.architecture-citation {
  margin-left: .15em;
  font-size: .72em;
  font-weight: 800;
  line-height: 0;
}

.architecture-citation a {
  text-decoration: none;
}

.architecture-toc ol {
  columns: 3;
  column-gap: 2rem;
}

.architecture-definition-grid,
.architecture-plane-grid,
.architecture-interface-grid,
.architecture-topology-grid,
.architecture-portability-grid,
.architecture-checklist-grid,
.architecture-variant-notes {
  display: grid;
  gap: 1rem;
}

.architecture-definition-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.25rem;
}

.architecture-definition-grid > article,
.architecture-plane-card,
.architecture-interface-card,
.architecture-topology-card,
.architecture-portability-grid > article,
.architecture-checklist-card,
.architecture-variant-notes > section,
.architecture-trace-summary,
.architecture-trace-code {
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: rgba(255, 255, 255, .96);
  box-shadow: var(--art-shadow-sm);
}

.architecture-definition-grid > article,
.architecture-portability-grid > article,
.architecture-variant-notes > section {
  padding: 1.2rem;
}

.architecture-card-label {
  margin: 0 0 .45rem;
  color: var(--art-blue-strong);
  font-size: .75rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.architecture-definition-grid h3,
.architecture-portability-grid h3,
.architecture-variant-notes h3 {
  margin: 0 0 .55rem;
  color: var(--art-ink);
  font-size: 1.06rem;
  line-height: 1.35;
}

.architecture-definition-grid p:last-child,
.architecture-portability-grid p:last-child,
.architecture-variant-notes p:last-child {
  margin-bottom: 0;
}

.architecture-plane-figure {
  margin: 1.4rem 0;
  padding: 1.15rem;
  border: 1px solid var(--art-line-strong);
  border-radius: var(--art-radius-lg);
  background:
    radial-gradient(circle at 50% 0%, rgba(11, 99, 255, .13), transparent 42%),
    #ffffff;
  box-shadow: var(--art-shadow-md);
}

.architecture-plane-figure figcaption {
  margin-bottom: 1rem;
  color: var(--art-ink);
  font-weight: 850;
}

.architecture-trust-boundary {
  padding: 1rem;
  border: 3px solid var(--art-blue-strong);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(220, 234, 255, .48), rgba(255, 255, 255, .94));
}

.architecture-plane-chip,
.architecture-control-rail,
.architecture-observation-rail,
.architecture-contract-hub,
.architecture-plane-block {
  border-radius: 16px;
}

.architecture-plane-chip {
  display: inline-flex;
  padding: .45rem .75rem;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .025em;
}

.architecture-control-rail,
.architecture-observation-rail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  margin-top: .75rem;
  padding: .75rem 1rem;
  color: #ffffff;
  background: var(--art-navy-2);
  font-size: .85rem;
  text-align: center;
}

.architecture-control-rail > span:first-child,
.architecture-observation-rail > span:first-child {
  font-weight: 900;
}

.architecture-plane-core {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, .75fr) minmax(0, 1fr);
  gap: .8rem;
  align-items: stretch;
  margin-top: .8rem;
}

.architecture-plane-block,
.architecture-contract-hub {
  display: grid;
  align-content: center;
  gap: .35rem;
  min-height: 150px;
  padding: 1rem;
  text-align: center;
}

.architecture-plane-block {
  position: relative;
  overflow: hidden;
  color: var(--art-ink);
  border: 1px solid rgba(11, 99, 255, .25);
  background: #ffffff;
}

.architecture-plane-block strong {
  font-size: 1.05rem;
}

.architecture-plane-block > span:last-child {
  color: var(--art-muted);
  font-size: .82rem;
}

.architecture-plane-number {
  position: absolute;
  right: .65rem;
  bottom: -.25rem;
  color: rgba(11, 99, 255, .09);
  font-size: 3.6rem;
  font-weight: 950;
  line-height: 1;
}

.architecture-contract-hub {
  color: #ffffff;
  background: linear-gradient(145deg, var(--art-blue-strong), var(--art-blue));
  box-shadow: var(--art-shadow-blue);
}

.architecture-contract-hub span {
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.architecture-contract-hub strong {
  font-size: .88rem;
  line-height: 1.45;
}

.architecture-observation-rail {
  color: var(--art-ink);
  border: 1px solid var(--art-line-strong);
  background: var(--art-silver);
}

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

.architecture-plane-card {
  padding: 1.25rem;
  border-top: 5px solid var(--art-blue);
}

.architecture-plane-control {
  border-top-color: #0b63ff;
}

.architecture-plane-context {
  border-top-color: #3e86ff;
}

.architecture-plane-execution {
  border-top-color: #6558d9;
}

.architecture-plane-trust {
  border-top-color: #0c315f;
}

.architecture-plane-card h3 {
  margin: 0 0 .75rem;
  font-size: 1.16rem;
  line-height: 1.4;
}

.architecture-plane-card ul {
  padding-left: 1.15rem;
}

.architecture-plane-card dl,
.architecture-interface-card dl,
.architecture-topology-card dl {
  display: grid;
  gap: .35rem;
  margin: 1rem 0 0;
}

.architecture-plane-card dt,
.architecture-interface-card dt,
.architecture-topology-card dt {
  color: var(--art-ink);
  font-size: .8rem;
  font-weight: 850;
  text-transform: uppercase;
}

.architecture-plane-card dd,
.architecture-interface-card dd,
.architecture-topology-card dd {
  margin: 0 0 .6rem;
  color: var(--art-muted);
}

.architecture-callout {
  margin-top: 1.15rem;
  border-left: 5px solid var(--art-blue-strong);
}

.architecture-callout-policy {
  background: linear-gradient(145deg, #f7faff, #edf4ff);
}

.architecture-callout-risk {
  border-left-color: #8a4b08;
  background: #fff9ee;
}

.architecture-table-scroll {
  width: 100%;
  margin: 1.2rem 0;
  overflow-x: auto;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: #ffffff;
  box-shadow: var(--art-shadow-sm);
}

.architecture-table-scroll:focus-visible {
  outline: 3px solid rgba(11, 99, 255, .55);
  outline-offset: 3px;
}

.architecture-table-scroll table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
}

.architecture-table-scroll caption {
  padding: 1rem 1rem .8rem;
  color: var(--art-ink);
  background: var(--art-surface-2);
  font-weight: 850;
  text-align: left;
}

.architecture-table-scroll th,
.architecture-table-scroll td {
  padding: .85rem .9rem;
  border: 1px solid var(--art-line);
  vertical-align: top;
  text-align: left;
}

.architecture-table-scroll thead th {
  color: #ffffff;
  background: var(--art-navy-2);
  font-size: .83rem;
}

.architecture-table-scroll tbody th {
  min-width: 180px;
  color: var(--art-ink);
  background: #f7f9fd;
}

.architecture-table-scroll tbody td {
  color: var(--art-muted);
  font-size: .91rem;
  line-height: 1.5;
}

.architecture-matrix-table {
  min-width: 1240px;
}

.architecture-component-table {
  min-width: 1780px;
}

.architecture-control-table,
.architecture-sync-table {
  min-width: 1080px;
}

.architecture-failure-table {
  min-width: 1360px;
}

.architecture-plane-tag {
  display: inline-block;
  padding: .3rem .55rem;
  border-radius: 999px;
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
  font-size: .74rem;
  font-weight: 850;
  white-space: nowrap;
}

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

.architecture-interface-card {
  padding: 1.2rem;
}

.architecture-interface-card:last-child {
  grid-column: 1 / -1;
}

.architecture-interface-card h3,
.architecture-topology-card h3,
.architecture-checklist-card h3 {
  margin: 0 0 .65rem;
  color: var(--art-ink);
  font-size: 1.08rem;
  line-height: 1.38;
}

.architecture-signature-block {
  margin: 1rem 0;
  padding: .9rem;
  overflow-x: auto;
  border-radius: 14px;
  color: #eaf2ff;
  background: var(--art-navy);
  font-size: .8rem;
  line-height: 1.6;
}

.architecture-trace-layout {
  display: grid;
  grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
  gap: 1rem;
  align-items: start;
}

.architecture-trace-summary,
.architecture-trace-code {
  padding: 1.15rem;
}

.architecture-trace-summary h3,
.architecture-trace-code h3 {
  margin-top: 0;
}

.architecture-trace-summary ul {
  margin-bottom: 0;
  padding-left: 1.2rem;
}

.architecture-trace-code .code-block {
  width: 100%;
  margin: .85rem 0 .5rem;
  max-height: 560px;
  overflow: auto;
}

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

.architecture-topology-card {
  padding: 1.2rem;
  overflow: hidden;
}

.architecture-topology-card h4 {
  margin: 1rem 0 .45rem;
  color: var(--art-ink);
  font-size: .9rem;
}

.architecture-topology-card ul {
  padding-left: 1.15rem;
}

.architecture-topology-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  margin: 1rem 0;
  padding: .8rem;
  border: 1px solid var(--art-line);
  border-radius: 16px;
  background: var(--art-surface-2);
}

.topology-node {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  color: #ffffff;
  background: var(--art-blue-strong);
  font-size: .8rem;
  font-weight: 900;
}

.topology-node-context {
  background: #3e86ff;
}

.topology-node-execution {
  background: #6558d9;
}

.topology-node-trust {
  background: #0c315f;
}

.topology-connector {
  width: clamp(14px, 4vw, 50px);
  height: 2px;
  background: var(--art-line-strong);
}

.architecture-variant-notes {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}

.architecture-portability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 1.2rem 0;
}

.architecture-portability-grid > article {
  border-top: 4px solid rgba(11, 99, 255, .55);
}

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

.architecture-checklist-card {
  padding: 1.2rem;
}

.architecture-checklist-card:last-child {
  grid-column: 1 / -1;
}

.architecture-checklist-card ul {
  margin-bottom: 0;
  padding-left: 1.2rem;
}

.architecture-checklist-card li + li {
  margin-top: .45rem;
}

.architecture-faq-list {
  margin-top: 1.2rem;
}

.architecture-sources li {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.architecture-sources li:target {
  padding: .35rem .5rem;
  border-radius: 10px;
  background: var(--art-blue-soft);
}

.architecture-related-pages {
  margin-top: 1.5rem;
}

.architecture-author-card {
  margin: 1.5rem 0 3rem;
}

@media (max-width: 1080px) {
  .architecture-toc ol {
    columns: 2;
  }

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

@media (max-width: 760px) {
  .architecture-toc ol {
    columns: 1;
  }

  .architecture-definition-grid,
  .architecture-plane-grid,
  .architecture-interface-grid,
  .architecture-topology-grid,
  .architecture-portability-grid,
  .architecture-checklist-grid,
  .architecture-variant-notes,
  .architecture-trace-layout {
    grid-template-columns: 1fr;
  }

  .architecture-interface-card:last-child,
  .architecture-checklist-card:last-child {
    grid-column: auto;
  }

  .architecture-plane-core {
    grid-template-columns: 1fr;
  }

  .architecture-plane-block,
  .architecture-contract-hub {
    min-height: 116px;
  }

  .architecture-control-rail,
  .architecture-observation-rail {
    flex-wrap: wrap;
  }
}

@media (max-width: 520px) {
  .architecture-plane-figure {
    padding: .75rem;
    border-radius: var(--art-radius-md);
  }

  .architecture-trust-boundary {
    padding: .65rem;
    border-width: 2px;
    border-radius: 20px;
  }

  .architecture-plane-chip {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .architecture-control-rail,
  .architecture-observation-rail,
  .architecture-plane-block,
  .architecture-contract-hub {
    padding: .75rem;
  }

  .architecture-definition-grid > article,
  .architecture-plane-card,
  .architecture-interface-card,
  .architecture-topology-card,
  .architecture-portability-grid > article,
  .architecture-checklist-card,
  .architecture-variant-notes > section,
  .architecture-trace-summary,
  .architecture-trace-code {
    padding: 1rem;
    border-radius: 18px;
  }
}

/* Constrain long contract signatures and table content inside responsive grids. */
.architecture-definition-grid > *,
.architecture-plane-grid > *,
.architecture-interface-grid > *,
.architecture-topology-grid > *,
.architecture-portability-grid > *,
.architecture-checklist-grid > *,
.architecture-variant-notes > *,
.architecture-trace-layout > * {
  min-width: 0;
}

.architecture-interface-card,
.architecture-trace-code,
.architecture-trace-summary {
  overflow-wrap: anywhere;
}

.runtime-architecture-hero .entry-header {
  max-width: 1180px;
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

.runtime-architecture-hero .page-title {
  color: #ffffff;
  text-shadow: 0 14px 40px rgba(0, 0, 0, .24);
}

.runtime-architecture-hero .page-lede {
  color: #c8d6ec;
}

.runtime-architecture-hero .breadcrumbs,
.runtime-architecture-hero .breadcrumbs span {
  color: #aebed8;
}

.runtime-architecture-hero .breadcrumbs a {
  color: #8eb7ff;
}

/* v2.0.0 structured reference-page components */
.definition-box,
.reference-topic,
.reference-callout,
.decision-list,
.pitfall-list {
  margin-block: 1.25rem;
  padding: clamp(1rem, 2vw, 1.45rem);
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-md);
  background: var(--art-surface);
  box-shadow: var(--art-shadow-sm);
}

.definition-box {
  border-left: 5px solid var(--art-blue-strong);
  background: linear-gradient(145deg, #ffffff, var(--art-surface-2));
}

.definition-box h2,
.reference-topic h2,
.reference-callout h3,
.decision-list h2,
.pitfall-list h2 {
  margin-top: 0;
}

.boundary-grid,
.topic-detail-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.25rem;
}

.boundary-grid > div,
.topic-detail-grid > article,
.related-grid > article {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: var(--art-radius-sm);
  background: #fff;
}

.boundary-grid dt,
.topic-detail-grid h3 {
  margin: 0 0 .45rem;
  color: var(--art-blue-strong);
  font-size: .84rem;
  font-weight: 850;
  letter-spacing: .045em;
  text-transform: uppercase;
}

.boundary-grid dd,
.topic-detail-grid p,
.related-grid p {
  margin: 0;
  color: var(--art-muted);
}

.reference-topic {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

.reference-topic > p:first-of-type {
  color: var(--art-ink);
  font-size: 1.03rem;
}

.reference-callout {
  border-left: 5px solid var(--art-blue-strong);
  background: #f4f8ff;
}

.reference-callout p:last-child {
  margin-bottom: 0;
}

.decision-list ol,
.pitfall-list ul {
  margin-bottom: 0;
}

.decision-list li + li,
.pitfall-list li + li {
  margin-top: .55rem;
}

.pitfall-list {
  border-left: 5px solid #8a4b08;
  background: #fff9ee;
}

.reference-content .runtime-table-wrap {
  border: 1px solid var(--art-line);
  background: #fff;
  box-shadow: var(--art-shadow-sm);
}

.reference-content .runtime-table-wrap:focus-visible {
  outline: 3px solid rgba(11, 99, 255, .55);
  outline-offset: 3px;
}

.reference-content .runtime-table {
  min-width: 760px;
}

.reference-content .runtime-table caption {
  padding: .9rem 1rem;
  color: var(--art-ink);
  background: var(--art-surface-2);
  font-weight: 850;
  text-align: left;
}

.reference-content .runtime-table th,
.reference-content .runtime-table td {
  padding: .75rem .85rem;
  border: 1px solid var(--art-line);
  vertical-align: top;
  text-align: left;
}

.reference-content .runtime-table thead th {
  color: #fff;
  background: var(--art-navy-2);
}

.reference-content .runtime-table tbody th {
  min-width: 150px;
  color: var(--art-ink);
  background: #f7f9fd;
}

.reference-content .runtime-table tbody td {
  color: var(--art-muted);
}

.reference-content .source-list li + li {
  margin-top: .65rem;
}

.reference-content .source-list a[target="_blank"]::after {
  content: " ↗";
  font-size: .82em;
  font-weight: 900;
}

.related-grid h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.related-grid article {
  transition: transform .18s ease, box-shadow .18s ease;
}

.related-grid article:focus-within,
.related-grid article:hover {
  transform: translateY(-2px);
  box-shadow: var(--art-shadow-sm);
}

.reference-content code,
.reference-content pre {
  overflow-wrap: normal;
}

.reference-content pre code {
  white-space: pre;
}

@media (max-width: 760px) {
  .boundary-grid,
  .topic-detail-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .definition-box,
  .reference-topic,
  .reference-callout,
  .decision-list,
  .pitfall-list {
    padding: 1rem;
    border-radius: 18px;
  }
}

/* v2.1.0 UI/UX, readability, overflow, search, and accessibility hardening */
:root {
  --art-muted: #3f4f69;
  --art-subtle: #647087;
  --art-reading: 74ch;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

@supports (overflow: clip) {
  html,
  body {
    overflow-x: clip;
  }
}

body {
  min-width: 0;
  font-size: 17px;
  line-height: 1.7;
  overflow-wrap: break-word;
}

.site-shell,
.site-main,
.site-header,
.header-inner,
.header-actions,
.primary-nav,
.hero-grid,
.hero-copy,
.hero-visual,
.section,
.container,
.wide-container,
.content-width,
.entry-content,
.reference-content,
.reference-article,
.grid,
.grid > *,
.split,
.split > *,
.panel,
.card,
.runtime-table-wrap,
.code-panel,
.code-shell,
.article-toc,
.takeaways,
.related-pages,
.sources-block,
.callout,
figure,
svg,
iframe {
  min-width: 0;
  max-width: 100%;
}

:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 3px solid #ffca57;
  outline-offset: 3px;
}

.site-main a:not(.button):not(.wp-block-button__link) {
  text-decoration-line: underline;
  text-decoration-thickness: .08em;
  text-underline-offset: .2em;
  text-decoration-skip-ink: auto;
}

.site-main :where(p, li, dd, figcaption) a:not(.button):not(.wp-block-button__link):visited {
  color: #6539a8;
}

.section.dark :where(p, li, dd, figcaption) a:not(.button):visited,
.panel.dark-panel a:not(.button):visited {
  color: #dbc9ff;
}

.site-main a:not(.button):not(.wp-block-button__link):hover,
.site-main a:not(.button):not(.wp-block-button__link):focus-visible {
  text-decoration-thickness: .13em;
}

/* Compact six-group navigation and native WordPress search. */
.header-inner {
  gap: .7rem;
}

.header-actions {
  gap: .5rem;
}

.primary-nav a {
  padding-inline: .66rem;
  font-size: .88rem;
}

.primary-nav .sub-menu {
  width: min(330px, calc(100vw - 2rem));
  max-width: calc(100vw - 2rem);
  max-height: min(70vh, 660px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.primary-nav .sub-menu a {
  min-height: 44px;
  white-space: normal;
  line-height: 1.28;
}

.primary-menu > li:nth-child(-n + 2) > .sub-menu {
  width: min(650px, calc(100vw - 2rem));
  grid-template-columns: repeat(2, minmax(190px, 1fr));
}

.primary-menu > li:nth-last-child(-n + 2) > .sub-menu {
  right: 0;
  left: auto;
}

.submenu-toggle {
  display: none;
}

.header-search {
  position: relative;
  flex: 0 0 auto;
}

.header-search > summary {
  list-style: none;
}

.header-search > summary::-webkit-details-marker {
  display: none;
}

.header-search-toggle {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .58rem .72rem;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  color: #e8f0fc;
  background: rgba(255, 255, 255, .07);
  font-size: .88rem;
  font-weight: 720;
  cursor: pointer;
  user-select: none;
}

.header-search[open] .header-search-toggle,
.header-search-toggle:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, .13);
}

.header-search-panel {
  position: absolute;
  z-index: 140;
  top: calc(100% + .75rem);
  right: 0;
  width: min(430px, calc(100vw - 1rem));
  padding: .9rem;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 18px;
  color: #eaf2ff;
  background: rgba(7, 17, 38, .99);
  box-shadow: var(--art-shadow-md);
}

.header-search-title {
  margin: 0 0 .55rem;
  color: #ffffff;
  font-size: .9rem;
  font-weight: 780;
}

.header-search-panel .search-form {
  max-width: none;
  margin: 0;
}

.header-search-panel .search-field,
.header-search-panel .search-submit {
  min-height: 46px;
}

/* Hero hierarchy and long-form typography. */
.hero h1,
.page-title,
.entry-title,
.section-title,
.entry-content h2,
.entry-content h3 {
  overflow-wrap: break-word;
  text-wrap: balance;
}

.hero h1 {
  max-width: 16ch;
  font-size: clamp(2.35rem, 5.8vw, 5rem);
  line-height: 1.02;
  letter-spacing: -.05em;
}

.page-title,
.entry-title {
  max-width: 20ch;
  font-size: clamp(2.3rem, 5.6vw, 4.65rem);
  line-height: 1.02;
  letter-spacing: -.05em;
}

.hero-lede,
.page-lede,
.archive-description,
.entry-summary {
  max-width: 62ch;
  color: #33435f;
  font-weight: 500;
}

.entry-content p,
.entry-content li,
.reference-content p,
.reference-content li {
  line-height: 1.72;
}

.entry-content > :where(p, ul, ol, blockquote),
.reference-content p,
.reference-topic > .topic-explanation,
.article-section > :where(p, ul, ol) {
  max-width: var(--art-reading);
}

.source-meta,
.reviewed-note,
.wp-caption-text,
.gallery-caption {
  color: var(--art-subtle);
  font-size: max(.92rem, 14px);
}

/* Home-page section navigation keeps the hub scannable. */
.home-section-nav {
  position: sticky;
  z-index: 70;
  top: var(--art-header-h);
  border-block: 1px solid rgba(191, 206, 226, .85);
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 22px rgba(9, 20, 39, .06);
}

.admin-bar .home-section-nav {
  top: calc(var(--art-header-h) + 32px);
}

.home-section-nav-inner {
  width: min(var(--art-wide), calc(100% - 1rem));
  margin-inline: auto;
  display: flex;
  gap: .35rem;
  padding: .55rem 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
}

.home-section-nav a {
  flex: 0 0 auto;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: .48rem .7rem;
  border-radius: 999px;
  color: #243653;
  font-size: .86rem;
  font-weight: 750;
  text-decoration: none !important;
}

.home-section-nav a:hover,
.home-section-nav a:focus-visible,
.home-section-nav a[aria-current="location"] {
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
}

#scope,
#runtime-stack,
#flow,
#choose-by-goal,
#runtime-contract-example,
#reference-toolkit,
#trust {
  scroll-margin-top: calc(var(--art-header-h) + 4.3rem);
}

/* Explicit contrast for light panels inside dark sections. */
.section.dark p,
.section.dark li,
.section.dark .section-lede {
  color: #d7e4f6;
}

.section.dark .panel:not(.dark-panel) {
  color: var(--art-ink);
  border-color: rgba(255, 255, 255, .78);
  background: linear-gradient(180deg, #ffffff, #f4f8ff);
  box-shadow: 0 18px 46px rgba(0, 0, 0, .18);
}

.section.dark .panel:not(.dark-panel) :where(h2, h3, strong) {
  color: #071126;
}

.section.dark .panel:not(.dark-panel) :where(p, li) {
  color: #243653;
}

/* Code blocks wrap by default and remain copyable without causing page overflow. */
.code-example {
  max-width: 100%;
  margin: 1.2rem 0;
}

.code-example > figcaption {
  margin-bottom: .55rem;
  color: var(--art-muted);
  font-size: .92rem;
  font-weight: 800;
}

.code-shell {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  margin-block: 1.2rem;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 18px;
  background: #071126;
  box-shadow: var(--art-shadow-sm);
}

.code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
  padding: .55rem .7rem .55rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  color: #c7d7ed;
  background: #0c1a35;
}

.code-toolbar-label {
  overflow: hidden;
  font-size: .84rem;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.code-copy-button {
  flex: 0 0 auto;
  min-width: 76px;
  min-height: 36px;
  padding: .35rem .7rem;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, .08);
  font-size: .82rem;
  font-weight: 760;
}

.code-copy-button:hover,
.code-copy-button:focus-visible {
  background: rgba(255, 255, 255, .16);
}

.code-shell .code-block,
.code-shell pre {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.code-block,
.code-block code,
.code-panel pre,
.entry-content pre,
.entry-content pre code {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: normal;
  tab-size: 2;
}

.code-shell.is-nowrap pre {
  overflow-x: auto;
  white-space: pre;
  overflow-wrap: normal;
}

/* Tables and wide diagrams scroll inside their own region, never the page. */
.runtime-table-wrap,
.flowline,
.overview-comparison-table,
.taxonomy-category-table,
.how-model-pipeline,
.how-sequence-diagram,
.how-trace-figure,
.architecture-plane-figure {
  max-width: 100%;
  overscroll-behavior-inline: contain;
}

.runtime-table-wrap,
.entry-content > table {
  overflow-x: auto;
  scrollbar-gutter: stable;
  -webkit-overflow-scrolling: touch;
}

.runtime-table,
.entry-content table {
  min-width: 620px;
  max-width: none;
}

.runtime-table :where(th, td),
.entry-content table :where(th, td),
.source-list a,
.resource-card a,
.runtime-card a,
.entry-content a {
  overflow-wrap: anywhere;
}

/* Sticky reading navigation on long reference pages. */
.article-toc a {
  border-radius: 8px;
  padding: .12rem .25rem;
}

.article-toc a[aria-current="location"] {
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
  font-weight: 820;
}

@media (min-width: 1240px) {
  .entry-content.reference-content {
    width: min(1320px, calc(100% - 2rem));
    max-width: none;
  }

  .entry-content.reference-content > .reference-layout,
  .overview-content,
  .taxonomy-content,
  .how-runtime-content,
  .runtime-architecture-content {
    width: 100%;
    max-width: none;
    display: grid;
    grid-template-columns: minmax(230px, 270px) minmax(0, 820px);
    justify-content: center;
    gap: 2rem;
    align-items: start;
  }

  .entry-content.reference-content > .reference-layout > *,
  .overview-content > *,
  .taxonomy-content > *,
  .how-runtime-content > *,
  .runtime-architecture-content > * {
    grid-column: 2;
    width: 100%;
    max-width: 820px;
    margin-inline: 0;
  }

  .entry-content.reference-content > .reference-layout > .article-toc,
  .overview-content > .article-toc,
  .taxonomy-content > .article-toc,
  .how-runtime-content > .article-toc,
  .runtime-architecture-content > .article-toc {
    grid-column: 1;
    grid-row: 1 / span 999;
    position: sticky;
    top: calc(var(--art-header-h) + 1rem);
    max-height: calc(100vh - var(--art-header-h) - 2rem);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .admin-bar .entry-content.reference-content > .reference-layout > .article-toc,
  .admin-bar .overview-content > .article-toc,
  .admin-bar .taxonomy-content > .article-toc,
  .admin-bar .how-runtime-content > .article-toc,
  .admin-bar .runtime-architecture-content > .article-toc {
    top: calc(var(--art-header-h) + 33px + 1rem);
  }

  .article-toc ol,
  .overview-toc ol,
  .taxonomy-toc ol,
  .how-runtime-toc ol,
  .architecture-toc ol {
    columns: 1;
  }
}

/* Labelled back-to-top control. JavaScript only changes its visibility. */
.back-to-top {
  position: fixed;
  z-index: 90;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 50%;
  color: #ffffff;
  background: rgba(7, 17, 38, .94);
  box-shadow: var(--art-shadow-md);
  font-size: 1.35rem;
  font-weight: 850;
  text-decoration: none;
}

.js .back-to-top {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(.6rem);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease, background .16s ease;
}

.js .back-to-top.is-visible,
.back-to-top:focus-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  color: #ffffff;
  background: var(--art-blue-strong);
}

.back-to-top::after {
  position: absolute;
  right: calc(100% + .55rem);
  padding: .36rem .55rem;
  border-radius: 8px;
  color: #ffffff;
  background: #071126;
  content: attr(aria-label);
  font-size: .75rem;
  font-weight: 720;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(.25rem);
  transition: opacity .14s ease, transform .14s ease;
}

.back-to-top:hover::after,
.back-to-top:focus-visible::after {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 1180px) {
  body.nav-open {
    overflow: hidden;
  }

  .primary-nav {
    max-height: calc(100vh - var(--art-header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    pointer-events: none;
  }

  body.nav-open .primary-nav,
  html.no-js .primary-nav {
    pointer-events: auto;
  }

  .primary-nav .sub-menu,
  .primary-menu > li:nth-child(-n + 2) > .sub-menu {
    width: auto;
    min-width: 0;
    max-width: none;
    grid-template-columns: 1fr;
  }

  .js .primary-nav .sub-menu {
    display: none;
  }

  .js .primary-nav li.submenu-open > .sub-menu {
    display: grid;
  }

  .primary-nav .menu-item-has-children > a {
    padding-right: 3.4rem;
  }

  .submenu-toggle {
    position: absolute;
    top: .42rem;
    right: .48rem;
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 12px;
    color: #dce8f8;
    background: rgba(255, 255, 255, .06);
  }

  .submenu-toggle span {
    transition: transform .16s ease;
  }

  .submenu-toggle[aria-expanded="true"] span {
    transform: rotate(180deg);
  }

  .header-search-panel {
    position: fixed;
    top: calc(var(--art-header-h) + .55rem);
    right: .75rem;
  }

  .admin-bar .header-search-panel {
    top: calc(var(--art-header-h) + 32px + .55rem);
  }
}

@media (max-width: 782px) {
  .admin-bar .home-section-nav {
    top: calc(var(--art-header-h) + 46px);
  }

  .admin-bar .header-search-panel {
    top: calc(var(--art-header-h) + 46px + .55rem);
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .home-section-nav {
    position: static;
  }

  .home-section-nav a {
    min-height: 44px;
  }

  .header-search-toggle span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }

  .header-search-toggle {
    width: 46px;
    height: 46px;
    justify-content: center;
    padding: 0;
    border-radius: 14px;
  }

  .header-search-panel {
    right: .5rem;
    left: .5rem;
    width: auto;
  }

  .runtime-table,
  .entry-content table {
    min-width: 560px;
  }

  .back-to-top {
    right: .75rem;
    bottom: .75rem;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 480px) {
  .header-search-panel .search-form {
    display: grid;
    grid-template-columns: 1fr;
  }

  .header-search-panel .search-submit {
    width: 100%;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 12vw, 3.3rem);
  }
}


/* v2.1.0 residual focus and component safeguards */
.primary-nav a:focus-visible,
.header-search-toggle:focus-visible,
.nav-toggle:focus-visible,
.brand-link:focus-visible {
  outline: 3px solid #ffca57;
  outline-offset: 3px;
}

.back-to-top[hidden] {
  display: none !important;
}

.reference-content :where(.article-section, .reference-topic, .definition-box, .reference-callout, .callout) > p,
.reference-content :where(.article-section, .reference-topic) > ul,
.reference-content :where(.article-section, .reference-topic) > ol {
  max-width: var(--art-reading);
}

@media (max-width: 1180px) {
  .primary-nav {
    max-height: calc(100dvh - var(--art-header-h));
  }

  .header-search-panel {
    max-height: calc(100dvh - var(--art-header-h) - 1.5rem);
    overflow-y: auto;
  }
}

/* Code-toolbar actions are compact, keyboard operable, and wrap on narrow screens. */
.code-toolbar-actions {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

.code-wrap-button,
.code-copy-button {
  min-height: 38px;
  padding: .38rem .72rem;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  color: #ffffff;
  background: rgba(255, 255, 255, .08);
  font-size: .8rem;
  font-weight: 760;
  cursor: pointer;
}

.code-wrap-button:hover,
.code-wrap-button:focus-visible,
.code-wrap-button[aria-pressed="true"],
.code-copy-button:hover,
.code-copy-button:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, .17);
}

@media (max-width: 560px) {
  .code-toolbar {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .code-toolbar-label {
    flex: 1 1 100%;
    white-space: normal;
  }

  .code-toolbar-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* v2.1.0 minimum interactive target sizing */
.primary-nav a,
.header-search-toggle,
.nav-toggle,
.home-section-nav a {
  min-height: 44px;
}


/* Keep both wide desktop mega menus inside the viewport. */
@media (min-width: 1181px) {
  .primary-menu > li:nth-child(-n + 2) > .sub-menu {
    right: 0;
    left: auto;
  }
}

/* Keep the definition and primary actions ahead of decorative artwork on compact screens. */
@media (max-width: 1180px) {
  .hero-copy {
    order: 1;
  }

  .hero-visual {
    order: 2;
  }
}

/* Keep hero and article titles prominent without dominating the viewport. */
.hero h1 {
  max-width: 19ch;
  font-size: clamp(2.35rem, 5vw, 4.35rem);
}

.page-title,
.entry-title {
  max-width: 22ch;
  font-size: clamp(2.25rem, 4.8vw, 4.2rem);
}

/* Closed compact navigation is fully removed from visual presentation. */
@media (max-width: 1180px) {
  html.js .primary-nav {
    visibility: hidden;
    opacity: 0;
    transform: translateY(calc(-100% - var(--art-header-h)));
    transition: transform .2s ease, opacity .16s ease, visibility .16s ease;
  }

  html.js body.nav-open .primary-nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  html.no-js .primary-nav {
    visibility: visible;
    opacity: 1;
  }
}

/* Keep sticky reading navigation compact and anchor targets clear of persistent chrome. */
.article-toc h2,
.article-toc > strong {
  margin: 0 0 .65rem;
  color: var(--art-ink);
  font-size: 1rem;
  line-height: 1.3;
  letter-spacing: 0;
}

.reference-content :where(section[id], .reference-topic[id], .definition-box[id], .takeaways[id]),
.reference-article :where(section[id], nav[id], aside[id]) {
  scroll-margin-top: calc(var(--art-header-h) + 1.5rem);
}

@media (max-width: 720px) {
  .reference-content :where(section[id], .reference-topic[id], .definition-box[id], .takeaways[id]),
  .reference-article :where(section[id], nav[id], aside[id]) {
    scroll-margin-top: 1rem;
  }
}

/* ARuntime 3.0 information architecture and accessible component layer. */
:root {
  --art-bg: #f6f8fc;
  --art-surface: #ffffff;
  --art-surface-2: #eef4ff;
  --art-surface-3: #e6edf7;
  --art-ink: #101828;
  --art-muted: #43516a;
  --art-subtle: #5f6c82;
  --art-line: #d6deeb;
  --art-line-strong: #aebdd0;
  --art-blue: #075ee8;
  --art-blue-strong: #0347b5;
  --art-blue-soft: #dceaff;
  --art-focus: #ffca57;
  --art-danger: #a21d2f;
  --art-danger-soft: #fff0f2;
  --art-success: #166534;
  --art-success-soft: #ecfdf3;
  --art-reading: 74ch;
  --art-header-h: 118px;
  color-scheme: light;
}

html[data-theme="dark"] {
  --art-bg: #0c111b;
  --art-surface: #151d2a;
  --art-surface-2: #1b2636;
  --art-surface-3: #243247;
  --art-ink: #f5f7fb;
  --art-muted: #c3ccda;
  --art-subtle: #a9b5c7;
  --art-line: #34445b;
  --art-line-strong: #536a87;
  --art-blue: #8bb8ff;
  --art-blue-strong: #a9c9ff;
  --art-blue-soft: #1b3a66;
  --art-danger: #ffb3bf;
  --art-danger-soft: #4b1720;
  --art-success: #9de7b3;
  --art-success-soft: #123d24;
  color-scheme: dark;
}

html[data-theme="dark"] body {
  color: var(--art-ink);
  background: var(--art-bg);
}

html[data-theme="dark"] .site-main :where(p, li, dd, figcaption) a:not(.button):not(.wp-block-button__link):visited {
  color: #d5b8ff;
}

html[data-theme="dark"] :where(.card, .panel, .definition-box, .takeaways, .reference-topic, .boundary-card, .runtime-card, .reference-card, .scope-note, .key-takeaway, .article-meta-strip, .page-toc, .directory-filters, .form-status, .correction-form-section) {
  color: var(--art-ink);
  background: var(--art-surface);
  border-color: var(--art-line);
}

html[data-theme="dark"] :where(input, select, textarea) {
  color: var(--art-ink);
  background: #0f1723;
  border-color: var(--art-line-strong);
}

html[data-theme="dark"] .architecture-diagram .aruntime-svg .bg {
  fill: #151922;
  stroke: #d6dbe5;
}

html[data-theme="dark"] .architecture-diagram .aruntime-svg .node {
  fill: #202632;
  stroke: #d6dbe5;
}

html[data-theme="dark"] .architecture-diagram .aruntime-svg .accent {
  fill: #29364a;
  stroke: #d6dbe5;
}

html[data-theme="dark"] .architecture-diagram .aruntime-svg .text {
  fill: #f5f7fb;
}

html[data-theme="dark"] .architecture-diagram .aruntime-svg .small {
  fill: #d6dbe5;
}

html[data-theme="dark"] .architecture-diagram .aruntime-svg .line {
  stroke: #d6dbe5;
}

body {
  color: var(--art-ink);
  background: var(--art-bg);
}

:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--art-focus);
  outline-offset: 3px;
}

.utility-bar {
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  background: #050b17;
}

.utility-bar-inner {
  width: min(var(--art-wide), calc(100% - 1.5rem));
  min-height: 38px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.utility-nav {
  margin-inline-start: auto;
}

.utility-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .15rem .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.utility-menu a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  color: #dce7f8;
  font-size: .78rem;
  font-weight: 650;
  text-decoration: none;
}

.utility-menu a:hover,
.utility-menu a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
}

.utility-controls {
  display: flex;
  align-items: center;
}

.theme-selector {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: #dce7f8;
  font-size: .76rem;
  font-weight: 700;
}

.theme-selector select {
  min-height: 32px;
  padding: .2rem 1.9rem .2rem .55rem;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 8px;
  color: #ffffff;
  background-color: #111d31;
  font-size: .78rem;
}

.site-header {
  background: rgba(7, 17, 38, .96);
}

.header-inner {
  min-height: 80px;
}

.brand-mark,
.custom-logo-link img {
  width: 48px;
  height: 48px;
}

.primary-menu > li > a,
.menu-parent-link {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  color: #f7f9fd;
  border-radius: 10px;
  text-decoration: none;
}

.primary-menu > li.current-menu-ancestor > a,
.primary-menu > li.current-menu-item > a,
.primary-menu > li > a[aria-current="page"],
.primary-menu > li.current-menu-ancestor .menu-parent-link {
  color: #ffffff;
  background: rgba(139, 184, 255, .17);
  box-shadow: inset 0 -2px 0 #8bb8ff;
}

.menu-parent-row {
  display: flex;
  align-items: center;
}

.primary-nav .submenu-toggle {
  min-width: 36px;
  min-height: 44px;
  padding: .25rem;
  border: 0;
  border-radius: 9px;
  color: #dbe7f8;
  background: transparent;
}

.primary-nav .submenu-toggle:hover,
.primary-nav .submenu-toggle:focus-visible,
.primary-nav .submenu-toggle[aria-expanded="true"] {
  color: #ffffff;
  background: rgba(255, 255, 255, .12);
}

.primary-nav .sub-menu {
  border: 1px solid rgba(255, 255, 255, .15);
  background: #0c172a;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .32);
}

.primary-nav .sub-menu a {
  color: #e7eef9;
}

.primary-nav .sub-menu a:hover,
.primary-nav .sub-menu a:focus-visible,
.primary-nav .sub-menu a[aria-current="page"] {
  color: #ffffff;
  background: #1a2c49;
}

.search-trigger {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem .7rem;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 10px;
  color: #ffffff;
  background: rgba(255, 255, 255, .06);
  font-size: .84rem;
  font-weight: 730;
}

.search-trigger:hover,
.search-trigger:focus-visible {
  background: rgba(255, 255, 255, .15);
}

.search-trigger kbd {
  padding: .1rem .3rem;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 5px;
  color: #cbd8ec;
  background: rgba(0, 0, 0, .22);
  font: 600 .68rem var(--art-mono);
  white-space: nowrap;
}

.no-script-search {
  width: min(var(--art-max), calc(100% - 2rem));
  margin: 1rem auto;
}

.search-dialog {
  width: min(900px, calc(100% - 2rem));
  max-height: min(86dvh, 840px);
  padding: 0;
  border: 1px solid var(--art-line-strong);
  border-radius: 20px;
  color: var(--art-ink);
  background: var(--art-surface);
  box-shadow: 0 36px 100px rgba(0, 0, 0, .34);
  overflow: hidden;
}

.search-dialog::backdrop {
  background: rgba(2, 7, 15, .72);
  backdrop-filter: blur(4px);
}

.search-dialog-shell {
  max-height: min(86dvh, 840px);
  display: flex;
  flex-direction: column;
}

.search-dialog-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.25rem .8rem;
  border-bottom: 1px solid var(--art-line);
}

.search-dialog-header > div {
  flex: 1 1 auto;
}

.search-dialog-header .eyebrow,
.search-dialog-header h2,
.search-dialog-header p {
  margin-block: 0 .35rem;
}

.search-dialog-header h2 {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  line-height: 1.2;
}

.icon-button {
  min-width: 44px;
  min-height: 44px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--art-line);
  border-radius: 10px;
  color: var(--art-ink);
  background: var(--art-surface-2);
  font-size: 1.5rem;
}

.command-search-form {
  padding: 1rem 1.25rem .5rem;
}

.command-search-form > label {
  display: block;
  margin-block-end: .35rem;
  font-weight: 750;
}

.command-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .6rem;
}

.command-search-row input {
  min-height: 50px;
  width: 100%;
  padding: .65rem .8rem;
  border: 2px solid var(--art-line-strong);
  border-radius: 12px;
  color: var(--art-ink);
  background: var(--art-surface);
}

.search-status {
  margin: 0;
  padding: .35rem 1.25rem .65rem;
  color: var(--art-muted);
  font-size: .88rem;
}

.search-results {
  min-height: 8rem;
  padding: 0 1.25rem 1rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.search-result-group + .search-result-group {
  margin-block-start: 1rem;
}

.search-result-group h3 {
  margin: 0 0 .35rem;
  color: var(--art-subtle);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.search-result-list {
  display: grid;
  gap: .25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.command-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .15rem .75rem;
  padding: .7rem .75rem;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--art-ink);
  text-decoration: none;
}

.command-result:hover,
.command-result:focus-visible,
.command-result.is-active {
  border-color: var(--art-line-strong);
  color: var(--art-ink);
  background: var(--art-surface-2);
}

.command-result-title {
  font-weight: 780;
}

.command-result-title mark {
  color: inherit;
  background: #ffe08a;
  border-radius: 2px;
}

html[data-theme="dark"] .command-result-title mark {
  color: #121820;
}

.command-result-type {
  color: var(--art-subtle);
  font-size: .75rem;
  white-space: nowrap;
}

.command-result-summary {
  grid-column: 1 / -1;
  color: var(--art-muted);
  font-size: .86rem;
  line-height: 1.45;
}

.search-empty-state {
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: 12px;
  background: var(--art-surface-2);
}

.search-empty-state :first-child {
  margin-top: 0;
}

.search-dialog-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 1.25rem;
  border-top: 1px solid var(--art-line);
  color: var(--art-muted);
  background: var(--art-surface-2);
  font-size: .78rem;
}

body.search-open {
  overflow: hidden;
}

.page-hero {
  border-bottom: 1px solid var(--art-line);
  background: linear-gradient(180deg, var(--art-surface-2), var(--art-bg));
}

.entry-header {
  padding-block: clamp(2rem, 6vw, 4.5rem);
}

.entry-header .breadcrumbs {
  margin-block-end: 1.2rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem .55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--art-muted);
  font-size: .84rem;
}

.breadcrumbs li + li::before {
  margin-inline-end: .55rem;
  content: "/";
  color: var(--art-subtle);
}

.page-title,
.entry-title {
  max-width: 23ch;
  margin-block: .25rem .8rem;
  color: var(--art-ink);
}

.page-lede {
  max-width: 66ch;
  color: var(--art-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.editorial-meta,
.article-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .8rem;
  margin-block: 1.15rem 0;
  padding: .65rem .8rem;
  border: 1px solid var(--art-line);
  border-radius: 12px;
  color: var(--art-muted);
  background: var(--art-surface);
  font-size: .82rem;
}

.editorial-meta > span + span::before,
.article-meta-strip > span + span::before {
  margin-inline-end: .8rem;
  content: "•";
  color: var(--art-subtle);
}

.reference-page-layout {
  width: min(1180px, calc(100% - 2rem));
  margin: clamp(1.5rem, 4vw, 3rem) auto 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.reference-page-main {
  min-width: 0;
}

.reference-page-sidebar {
  position: sticky;
  top: calc(var(--art-header-h) + 1rem);
}

.entry-content,
.reference-content {
  color: var(--art-ink);
}

.entry-content > :where(p, h2, h3, h4, ul, ol, blockquote, pre, table),
.reference-content > :where(p, h2, h3, h4, ul, ol, blockquote, pre, table) {
  width: 100%;
  max-width: var(--art-reading);
  margin-inline: 0;
}

.entry-content :where(p, li, dd),
.reference-content :where(p, li, dd) {
  max-width: 78ch;
}

.entry-content h2,
.reference-content h2 {
  margin-block-start: 2.5rem;
  scroll-margin-top: calc(var(--art-header-h) + 1rem);
}

.entry-content h3,
.reference-content h3 {
  margin-block-start: 1.8rem;
  scroll-margin-top: calc(var(--art-header-h) + 1rem);
}

.heading-link-control {
  min-width: 36px;
  min-height: 36px;
  margin-inline-start: .35rem;
  padding: 0 .35rem;
  border: 0;
  border-radius: 7px;
  color: var(--art-subtle);
  background: transparent;
  font: 650 .8em var(--art-mono);
  vertical-align: middle;
}

.heading-link-control:hover,
.heading-link-control:focus-visible {
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
}

.page-toc {
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: 14px;
  background: var(--art-surface);
}

.page-toc summary {
  font-weight: 780;
  cursor: pointer;
}

.page-toc ol {
  display: grid;
  gap: .35rem;
  margin: .75rem 0 0;
  padding-inline-start: 1.25rem;
  font-size: .88rem;
}

.page-toc .toc-level-3 {
  margin-inline-start: .75rem;
}

.page-toc a {
  color: var(--art-muted);
  text-decoration: none;
}

.page-toc a:hover,
.page-toc a:focus-visible {
  color: var(--art-blue-strong);
  text-decoration: underline;
}

.architecture-diagram {
  width: min(100%, 960px);
  margin: 2rem 0;
  padding: clamp(.8rem, 2vw, 1.25rem);
  border: 1px solid var(--art-line);
  border-radius: 18px;
  background: var(--art-surface);
  box-shadow: var(--art-shadow-sm);
}

.architecture-diagram .diagram-title {
  margin-block: 0 .75rem;
}

.diagram-canvas {
  overflow-x: auto;
  border-radius: 12px;
}

.diagram-canvas svg {
  min-width: 680px;
  width: 100%;
  height: auto;
}

.architecture-diagram figcaption {
  margin-block-start: .75rem;
  color: var(--art-muted);
}

.diagram-description {
  margin-block-start: .7rem;
  padding: .65rem .75rem;
  border: 1px solid var(--art-line);
  border-radius: 10px;
  background: var(--art-surface-2);
}

.diagram-description summary {
  font-weight: 740;
  cursor: pointer;
}

.runtime-stack-list,
.role-path-grid,
.job-grid,
.trust-practices,
.home-action-grid,
.use-case-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1rem;
}

.runtime-layer-card,
.role-card,
.job-card,
.trust-card,
.home-action-card,
.use-case-card {
  position: relative;
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid var(--art-line);
  border-radius: 16px;
  color: var(--art-ink);
  background: var(--art-surface);
  box-shadow: 0 6px 22px rgba(9, 20, 39, .06);
}

.runtime-layer-card:focus-within,
.role-card:focus-within,
.job-card:focus-within,
.home-action-card:focus-within,
.use-case-card:focus-within,
.runtime-layer-card:hover,
.role-card:hover,
.job-card:hover,
.home-action-card:hover,
.use-case-card:hover {
  border-color: var(--art-blue);
  box-shadow: var(--art-shadow-sm);
}

.runtime-layer-card > a,
.role-card > a,
.job-card > a,
.home-action-card > a,
.use-case-card > a {
  color: inherit;
  text-decoration: none;
}

.runtime-layer-card > a::after,
.role-card > a::after,
.job-card > a::after,
.home-action-card > a::after,
.use-case-card > a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.runtime-layer-number {
  display: inline-flex;
  min-width: 2.25rem;
  min-height: 2.25rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--art-line-strong);
  border-radius: 999px;
  color: var(--art-blue-strong);
  background: var(--art-blue-soft);
  font: 800 .85rem var(--art-mono);
}

.scope-statement,
.key-takeaway,
.scope-note {
  max-width: var(--art-reading);
  padding: 1rem 1.1rem;
  border-inline-start: 5px solid var(--art-blue);
  border-block: 1px solid var(--art-line);
  border-inline-end: 1px solid var(--art-line);
  border-radius: 12px;
  background: var(--art-surface);
}

.scope-statement h2,
.key-takeaway h2,
.scope-note h2 {
  margin-top: 0;
}

.execution-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.execution-path {
  padding: 1.1rem;
  border: 1px solid var(--art-line);
  border-radius: 16px;
  background: var(--art-surface);
}

.execution-path ol {
  margin-bottom: 0;
}

.runtime-table-wrap,
.entry-content .wp-block-table {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--art-line);
  border-radius: 12px;
  background: var(--art-surface);
}

.runtime-table,
.entry-content table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--art-surface);
}

.runtime-table caption,
.entry-content table caption {
  padding: .8rem;
  color: var(--art-muted);
  text-align: start;
  font-weight: 700;
}

.runtime-table th,
.runtime-table td,
.entry-content table th,
.entry-content table td {
  padding: .65rem .75rem;
  border: 1px solid var(--art-line);
  text-align: start;
  vertical-align: top;
}

.runtime-table thead th,
.entry-content table thead th {
  color: var(--art-ink);
  background: var(--art-surface-2);
}

.code-shell {
  max-width: 100%;
  margin: 1.2rem 0;
  border: 1px solid #32405a;
  border-radius: 14px;
  overflow: hidden;
  background: #0d1422;
}

.code-toolbar {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .45rem .65rem;
  border-bottom: 1px solid #32405a;
  color: #f5f7fb;
  background: #141e30;
}

.code-toolbar-label {
  min-width: 0;
  overflow: hidden;
  font-size: .78rem;
  font-weight: 760;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.code-shell pre {
  max-width: none;
  margin: 0;
  padding: 1rem;
  border: 0;
  border-radius: 0;
  overflow-x: auto;
  color: #eff5ff;
  background: #0d1422;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.code-shell.is-nowrap pre,
.code-shell.is-nowrap pre code {
  white-space: pre;
  overflow-wrap: normal;
}

.directory-filters,
.correction-form-section {
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--art-line);
  border-radius: 16px;
  background: var(--art-surface);
}

.directory-filters fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.directory-filters legend {
  margin-block-end: 1rem;
  font-size: 1.25rem;
  font-weight: 800;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: .8rem;
}

.filter-grid label,
.form-field {
  display: grid;
  gap: .35rem;
}

.filter-grid label > span,
.form-field > label {
  font-weight: 720;
}

.filter-grid :where(input, select),
.form-field :where(input, textarea) {
  width: 100%;
  min-height: 46px;
  padding: .55rem .65rem;
  border: 1px solid var(--art-line-strong);
  border-radius: 9px;
}

.form-field textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-field--checkbox {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
}

.form-field--checkbox input {
  min-width: 22px;
  min-height: 22px;
  margin-top: .15rem;
}

.form-field--honeypot {
  position: absolute;
  inset-inline-start: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.correction-form {
  display: grid;
  gap: 1rem;
}

.field-help {
  margin: 0;
  color: var(--art-muted);
  font-size: .82rem;
}

.form-status {
  margin-block: 1rem;
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: 12px;
}

.form-status :first-child {
  margin-top: 0;
}

.form-status--success {
  border-color: var(--art-success);
  background: var(--art-success-soft);
}

.form-status--error {
  border-color: var(--art-danger);
  background: var(--art-danger-soft);
}

.filter-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1rem;
  margin-block: 1rem;
}

.filter-toggles label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

.filter-toggles input {
  min-width: 22px;
  min-height: 22px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}

.runtime-directory-grid,
.reference-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.runtime-card,
.reference-card {
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: 14px;
  background: var(--art-surface);
}

.runtime-card dl,
.profile-facts {
  display: grid;
  gap: .5rem;
}

.runtime-card dl div,
.profile-facts div {
  display: grid;
  grid-template-columns: minmax(7rem, .35fr) minmax(0, 1fr);
  gap: .6rem;
  padding-block: .4rem;
  border-top: 1px solid var(--art-line);
}

.runtime-card dt,
.profile-facts dt {
  font-weight: 760;
}

.runtime-card dd,
.profile-facts dd {
  margin: 0;
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 310px), 1fr));
  gap: 1rem;
}

.glossary-category {
  grid-column: 1 / -1;
  margin-block: 2rem .25rem;
  padding-block-end: .45rem;
  border-bottom: 2px solid var(--art-line);
}

.term-card {
  padding: 1rem;
  border: 1px solid var(--art-line);
  border-radius: 14px;
  background: var(--art-surface);
}

.term-card h3 {
  margin-top: 0;
}

.term-card[hidden],
.glossary-category[hidden] {
  display: none;
}

.filter-panel {
  max-width: 48rem;
  display: grid;
  gap: .4rem;
  margin-block: 1rem;
}

.filter-input {
  min-height: 48px;
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid var(--art-line-strong);
  border-radius: 10px;
}

.term-category-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-block: 1rem 2rem;
}

.term-category-list a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: .35rem .65rem;
  border: 1px solid var(--art-line);
  border-radius: 999px;
  background: var(--art-surface);
  font-size: .82rem;
  text-decoration: none;
}

.site-footer {
  color: #dce7f8;
  background: #071126;
  border-top: 1px solid #22324e;
}

.footer-inner {
  width: min(var(--art-wide), calc(100% - 2rem));
  margin-inline: auto;
  padding-block: clamp(2rem, 5vw, 4rem) 1.25rem;
}

.footer-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .7fr);
  gap: 2rem;
  padding-block-end: 2rem;
  border-bottom: 1px solid #263754;
}

.footer-brand {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.footer-logo,
.footer-brand .custom-logo-link img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #ffffff;
}

.footer-title {
  margin: 0 0 .25rem;
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 800;
}

.footer-brand p,
.footer-disclaimer {
  max-width: 64ch;
  margin-block: 0;
  color: #c0cde0;
}

.footer-disclaimer {
  padding: 1rem;
  border: 1px solid #344967;
  border-radius: 12px;
  background: #0d1a31;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  padding-block: 2rem;
}

.footer-group h2 {
  margin-block: 0 .7rem;
  color: #ffffff;
  font-size: .95rem;
}

.footer-group ul {
  display: grid;
  gap: .35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer a {
  color: #cfe0fa;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #ffffff;
}

.footer-trust-links,
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.1rem;
  padding-block: .8rem;
  border-top: 1px solid #263754;
  color: #aebdd2;
  font-size: .82rem;
}

.footer-bottom {
  justify-content: space-between;
}

@media (min-width: 1181px) {
  .primary-nav .submenu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .primary-nav .sub-menu {
    display: none;
  }

  .primary-nav .menu-item-has-children.submenu-open > .sub-menu,
  .primary-nav .menu-item-has-children:focus-within > .sub-menu {
    display: grid;
  }

  .primary-nav .menu-item-has-children:hover > .sub-menu {
    display: grid;
  }
}

@media (max-width: 1180px) {
  :root {
    --art-header-h: 82px;
  }

  .utility-bar {
    display: none;
  }

  .header-inner {
    min-height: 76px;
  }

  .primary-nav {
    position: fixed;
    inset: 76px 0 0;
    max-height: calc(100dvh - 76px);
    padding: 1rem;
    overflow-y: auto;
    color: #ffffff;
    background: #081226;
    border-top: 1px solid rgba(255, 255, 255, .12);
  }

  .admin-bar .primary-nav {
    inset-block-start: 108px;
    max-height: calc(100dvh - 108px);
  }

  .primary-menu,
  .primary-nav ul {
    align-items: stretch;
  }

  .primary-menu > li {
    border-bottom: 1px solid rgba(255, 255, 255, .12);
  }

  .menu-parent-row {
    width: 100%;
  }

  .menu-parent-link,
  .primary-menu > li > a {
    flex: 1 1 auto;
  }

  .primary-nav .submenu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .primary-nav .sub-menu {
    position: static;
    width: 100%;
    max-width: none;
    display: none;
    padding: .25rem 0 .7rem 1rem;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .primary-nav .submenu-open > .sub-menu {
    display: grid;
  }

  .search-trigger kbd {
    display: none;
  }

  .reference-page-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .reference-page-sidebar {
    position: static;
    order: -1;
  }

  .page-toc details:not([open]) ol {
    display: none;
  }
}

@media (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }

  .admin-bar .primary-nav {
    inset-block-start: 122px;
    max-height: calc(100dvh - 122px);
  }
}

@media (max-width: 760px) {
  .brand-kicker,
  .search-trigger span,
  .search-trigger kbd {
    display: none;
  }

  .search-trigger {
    min-width: 44px;
    justify-content: center;
    padding-inline: .55rem;
  }

  .command-search-row,
  .execution-paths,
  .footer-intro,
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .search-dialog {
    width: calc(100% - 1rem);
    max-height: 94dvh;
    border-radius: 14px;
  }

  .search-dialog-shell {
    max-height: 94dvh;
  }

  .search-dialog-header,
  .command-search-form,
  .search-results,
  .search-dialog-footer {
    padding-inline: .8rem;
  }

  .search-dialog-footer {
    display: grid;
  }

  .command-result {
    grid-template-columns: minmax(0, 1fr);
  }

  .command-result-type {
    white-space: normal;
  }

  .diagram-canvas svg {
    min-width: 620px;
  }

  .editorial-meta > span,
  .article-meta-strip > span {
    flex: 1 1 100%;
  }

  .editorial-meta > span + span::before,
  .article-meta-strip > span + span::before {
    display: none;
  }

  .footer-bottom {
    display: grid;
  }
}

@media (max-width: 400px) {
  .brand-text {
    display: none;
  }

  .header-inner {
    width: calc(100% - 1rem);
  }

  .runtime-table,
  .entry-content table {
    min-width: 620px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: .001ms;
    animation-duration: .001ms;
    animation-iteration-count: 1;
  }
}

@media (forced-colors: active) {
  .runtime-layer-card,
  .role-card,
  .job-card,
  .home-action-card,
  .use-case-card,
  .architecture-diagram,
  .search-dialog,
  .directory-filters,
  .correction-form-section {
    border: 2px solid CanvasText;
  }

  .primary-menu > li.current-menu-ancestor > a,
  .primary-menu > li.current-menu-item > a {
    outline: 2px solid Highlight;
  }
}

@media print {
  @page {
    margin: 1.5cm;
  }

  :root {
    --art-ink: #000000;
    --art-muted: #333333;
    --art-line: #777777;
    --art-surface: #ffffff;
    --art-surface-2: #ffffff;
  }

  body {
    color: #000000;
    background: #ffffff;
    font-size: 11pt;
    line-height: 1.45;
  }

  .site-header,
  .site-footer,
  .back-to-top,
  .search-dialog,
  .page-toc,
  .heading-link-control,
  .code-toolbar,
  .directory-filters,
  .correction-form-section,
  .related-pages,
  .button-row {
    display: none;
  }

  .page-hero {
    background: #ffffff;
    border-bottom: 1px solid #777777;
  }

  .entry-header,
  .reference-page-layout,
  .entry-content,
  .reference-content {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .reference-page-layout {
    display: block;
  }

  a {
    color: #000000;
    text-decoration: underline;
  }

  .entry-content a[href^="http"]::after,
  .reference-content a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: .85em;
    overflow-wrap: anywhere;
  }

  .architecture-diagram,
  .runtime-table-wrap,
  .code-shell,
  pre,
  blockquote,
  table,
  figure {
    break-inside: avoid;
    box-shadow: none;
  }

  .diagram-canvas {
    overflow: visible;
  }

  .diagram-canvas svg {
    min-width: 0;
  }

  .architecture-diagram .aruntime-svg .bg,
  .architecture-diagram .aruntime-svg .node,
  .architecture-diagram .aruntime-svg .accent {
    fill: #ffffff;
    stroke: #000000;
  }

  .architecture-diagram .aruntime-svg .text,
  .architecture-diagram .aruntime-svg .small {
    fill: #000000;
  }

  .architecture-diagram .aruntime-svg .line {
    stroke: #000000;
  }

  .code-shell,
  .code-shell pre {
    color: #000000;
    background: #ffffff;
    border-color: #777777;
  }
}

/* Dependency-free JSON syntax highlighting; contrast is defined for both themes. */
.syntax-token.syntax-key {
  color: var(--art-blue-strong);
  font-weight: 700;
}

.syntax-token.syntax-string {
  color: var(--art-success);
}

.syntax-token.syntax-number,
.syntax-token.syntax-boolean {
  color: #7c2d92;
}

.syntax-token.syntax-null {
  color: var(--art-muted);
  font-style: italic;
}

html[data-theme="dark"] .syntax-token.syntax-key {
  color: #9ec5ff;
}

html[data-theme="dark"] .syntax-token.syntax-number,
html[data-theme="dark"] .syntax-token.syntax-boolean {
  color: #f0abfc;
}

.glossary-empty {
  padding: 1rem;
  border: 1px solid var(--art-line-strong);
  border-radius: var(--art-radius-sm);
  background: var(--art-surface);
}