:root {
  color-scheme: dark;
  --bg: #0b111d;
  --bg-soft: #101827;
  --panel: #111a2a;
  --panel-strong: #162236;
  --surface: #f8fafc;
  --surface-text: #0f172a;
  --text: #eef4ff;
  --muted: #b6c3d6;
  --subtle: #8da0bb;
  --accent: #67c1ff;
  --accent-strong: #38a8f8;
  --border: rgba(148, 163, 184, 0.24);
  --border-strong: rgba(148, 163, 184, 0.42);
  --success: #8ee6b0;
  --warning: #facc75;
  --error: #ff9f9f;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  --radius: 22px;
  --content: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 0%, rgba(56, 168, 248, 0.14), transparent 28rem),
    linear-gradient(180deg, #07101d 0%, var(--bg) 42%, #090f1a 100%);
  color: var(--text);
  line-height: 1.56;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { color: #a7dcff; }
img { max-width: 100%; height: auto; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: 0.75rem;
  z-index: 1000;
  transform: translateY(-180%);
  opacity: 0;
  pointer-events: none;
  background: var(--surface);
  color: var(--surface-text);
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  font-weight: 800;
}
.skip-link:not(:focus-visible) {
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link:focus-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
  outline: 3px solid rgba(103, 193, 255, .55);
  outline-offset: 3px;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 76px;
  padding: 0.42rem clamp(1rem, 3vw, 2rem);
  border-bottom: 1px solid var(--border);
  background: rgba(7, 14, 25, 0.94);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 1 270px;
  width: min(270px, 48vw);
}
.brand-logo img { display: block; width: 100%; max-height: 72px; object-fit: contain; }
.primary-nav { display: flex; flex-wrap: nowrap; align-items: center; justify-content: flex-end; gap: 0.12rem; }
.primary-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
  font-size: 0.86rem;
  padding: 0.36rem 0.52rem;
  border-radius: 999px;
  line-height: 1.2;
}
.primary-nav a:hover, .primary-nav a:focus { background: rgba(103, 193, 255, 0.10); color: var(--text); outline: none; }
.site-header > .nav-toggle { display: none !important; }
main { max-width: var(--content); margin: 0 auto; padding: clamp(0.85rem, 3vw, 2rem); }
.site-footer { margin-top: 4rem; padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 4vw, 3rem); border-top: 1px solid var(--border); background: #070d17; color: var(--muted); }
.site-footer h2 { color: var(--text); font-size: 1rem; margin: 0 0 0.7rem; }
.footer-grid { max-width: var(--content); margin: 0 auto; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 1.4rem; }
.site-footer a { display: block; color: var(--muted); text-decoration: none; margin: 0.35rem 0; }
.site-footer a:hover { color: var(--accent); }
.footer-bottom { max-width: var(--content); margin: 2rem auto 0; border-top: 1px solid var(--border); padding-top: 1rem; }
.hero, .page-heading { padding: clamp(1.25rem, 4vw, 3rem) 0; }
.hero h1, .page-heading h1 { max-width: 960px; margin: 0 0 0.75rem; font-size: clamp(2rem, 5vw, 4.25rem); line-height: 1.03; letter-spacing: -0.045em; }
.hero p, .page-heading p { max-width: 840px; color: var(--muted); font-size: clamp(0.98rem, 1.6vw, 1.12rem); }
.hero-split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr); gap: clamp(1.25rem, 4vw, 3rem); align-items: center; }
.hero-panel { padding: clamp(1.2rem, 4vw, 2rem); border-radius: calc(var(--radius) + 8px); border: 1px solid var(--border); background: linear-gradient(145deg, rgba(17, 26, 42, .96), rgba(13, 22, 37, .78)); box-shadow: var(--shadow); }
.hero-logo-panel { display: grid; place-items: center; padding: clamp(1.25rem, 4vw, 2.25rem); border: 1px solid var(--border); border-radius: 30px; background: radial-gradient(circle at 15% 20%, rgba(103, 193, 255, .18), transparent 26rem), linear-gradient(145deg, #07101d, #111a2a); }
.hero-logo-panel img { width: min(780px, 100%); filter: drop-shadow(0 12px 30px rgba(0,0,0,.35)); }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; font-weight: 900; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.cta-row.compact { margin-top: .75rem; }
.button, button, .button-link {
  background: var(--accent);
  border: 1px solid transparent;
  color: #06101f;
  padding: .75rem 1rem;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.button.secondary, .button-link.secondary { background: transparent; border-color: rgba(103, 193, 255, .5); color: var(--accent); }
.button:hover, button:hover, .button-link:hover { transform: translateY(-1px); }
.button:focus-visible, button:focus-visible, .button-link:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid rgba(103, 193, 255, .55); outline-offset: 3px; }
.grid, .bento-grid { display: grid; gap: 1rem; margin: 1.5rem 0; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.three, .agent-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); display: grid; gap: 1rem; }
.grid.four { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.bento-grid { grid-template-columns: repeat(12, 1fr); }
.bento-span-3 { grid-column: span 3; }
.bento-span-4 { grid-column: span 4; }
.bento-span-5 { grid-column: span 5; }
.bento-span-6 { grid-column: span 6; }
.bento-span-7 { grid-column: span 7; }
.bento-span-8 { grid-column: span 8; }
.bento-span-12 { grid-column: 1 / -1; }
.card, .filters, .notice, .lane-strip, .callout, .timeline-item, .code-card, .mini-card {
  background: linear-gradient(180deg, rgba(17, 26, 42, 0.98), rgba(14, 23, 38, 0.92));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 1px 0 rgba(255,255,255,.03), var(--shadow);
}
.card.light { background: var(--surface); color: var(--surface-text); }
.card.light p, .card.light .muted { color: #475569; }
.card h2, .card h3, .timeline-item h3 { margin-top: 0; line-height: 1.18; }
.card p:last-child { margin-bottom: 0; }
.status-row, .badge-row { display: flex; gap: .45rem; flex-wrap: wrap; align-items: center; margin: .6rem 0; }
.badge { border: 1px solid var(--border); border-radius: 999px; padding: .22rem .6rem; background: rgba(103,193,255,.10); color: #dff3ff; font-size: .85rem; font-weight: 700; }
.badge.live { background: rgba(142,230,176,.14); color: var(--success); }
.badge.preview, .badge.planned { background: rgba(250,204,117,.12); color: var(--warning); }
.badge.demo { background: rgba(103,193,255,.12); color: var(--accent); }
.muted, .muted-badge { color: var(--muted); }
.section-kicker { color: var(--accent); font-weight: 900; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; margin-bottom: .5rem; }
.section-header { margin: clamp(1.5rem, 4vw, 2.75rem) 0 1rem; max-width: 860px; }
.section-header h2 { font-size: clamp(1.55rem, 3.2vw, 2.5rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 .55rem; }
.section-header p { color: var(--muted); font-size: 1rem; }
.flow-steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.flow-steps .card::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: rgba(103,193,255,.16); color: var(--accent); font-weight: 900; margin-bottom: .75rem; }
.timeline { display: grid; gap: 1rem; }
.timeline-item { position: relative; border-left: 4px solid rgba(103,193,255,.45); }
.timeline-item .phase { font-weight: 900; color: var(--accent); }
.callout { border-color: rgba(103, 193, 255, 0.45); background: linear-gradient(145deg, rgba(8, 19, 36, .98), rgba(16, 30, 50, .92)); }
.warning-callout { border-color: rgba(250, 204, 117, .55); }
.success-callout { border-color: rgba(142,230,176,.45); }
.filters, .inline-form { display: flex; gap: .75rem; flex-wrap: wrap; align-items: end; margin-bottom: 1rem; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.full { grid-column: 1 / -1; }
label { display: grid; gap: .35rem; font-weight: 700; }
input, textarea, select { width: 100%; padding: .75rem; border-radius: 14px; border: 1px solid var(--border-strong); background: #08111f; color: var(--text); }
textarea { min-height: 140px; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--border); text-align: left; padding: .7rem; vertical-align: top; }
.table-wrap { overflow-x: auto; }
pre, code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
pre { overflow-x: auto; padding: 1rem; border-radius: 16px; background: #050913; border: 1px solid var(--border); }
code { color: #dff3ff; }
summary { cursor: pointer; font-weight: 800; color: var(--text); }
details { border: 1px solid var(--border); border-radius: 16px; padding: 1rem; background: rgba(8, 17, 31, .56); }
.agent-card[hidden] { display: none; }
.agent-card { display: flex; flex-direction: column; }
.meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .35rem .75rem; margin: .75rem 0; }
.meta-grid p { margin: 0; }
.boundary-reminder { border-color: rgba(103,193,255,.42); }
.directory-filter-form label { min-width: 190px; }
.ability-fieldset { border: 1px solid rgba(103,193,255,0.35); border-radius: 1rem; padding: 1rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.9rem; }
.ability-fieldset legend { padding: 0 .5rem; color: var(--text); font-weight: 800; }
.page-nav { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0 2rem; }
.page-nav a { text-decoration: none; border: 1px solid var(--border); color: var(--muted); padding: .45rem .65rem; border-radius: 999px; }
.page-nav a:hover { color: var(--text); border-color: var(--accent); }
@media (max-width: 920px) {
  .hero-split { grid-template-columns: 1fr; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-grid > * { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .site-header { align-items: center; min-height: 64px; padding-block: 0.35rem; }
  .brand-logo { flex-basis: 235px; width: min(235px, 66vw); }
  .brand-logo img { max-height: 60px; }
  .site-header > .nav-toggle { display: inline-flex !important; align-items: center; justify-content: center; padding: 0.42rem 0.7rem; font-size: 0.82rem; line-height: 1; }
  .primary-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 0.65rem 1rem; background: rgba(7, 14, 25, .98); border-bottom: 1px solid var(--border); }
  .primary-nav.is-open { display: grid; gap: .12rem; }
  .primary-nav a { padding: .62rem .75rem; }
  .footer-grid { grid-template-columns: 1fr; }
  main { padding: 0.85rem; }
  .hero, .page-heading { padding: 1rem 0 1.5rem; }
  .hero h1, .page-heading h1 { font-size: clamp(1.9rem, 10vw, 3rem); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; scroll-behavior: auto !important; transition-duration: 0.001ms !important; }
}

/* v1.4.6 local registry snapshot report enhancements */
.bento-grid.two-column > * { grid-column: span 6; }
.bento-grid.three-column > * { grid-column: span 4; }
.split-section { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr); gap: 1rem; align-items: start; }
.callout-card, .bento-card { background: linear-gradient(180deg, rgba(17, 26, 42, 0.98), rgba(14, 23, 38, 0.92)); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; box-shadow: 0 1px 0 rgba(255,255,255,.03), var(--shadow); }
.status-badge { display: inline-flex; border-radius: 999px; padding: .25rem .65rem; border: 1px solid var(--border); font-weight: 900; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.status-live { color: var(--success); background: rgba(142,230,176,.12); }
.status-preview { color: var(--accent); background: rgba(103,193,255,.12); }
.status-roadmap { color: var(--warning); background: rgba(250,204,117,.12); }
.warning-list li { color: var(--warning); }
@media (max-width: 920px) { .bento-grid.two-column > *, .bento-grid.three-column > * { grid-column: 1 / -1; } .split-section { grid-template-columns: 1fr; } }

/* v1.4.6 local registry snapshot upload/review workflow */
.form-card {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.72);
}

.form-card textarea,
.form-card input[type="file"] {
  width: 100%;
}

.form-card textarea {
  min-height: 18rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.form-status,
.report-panel {
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 16px;
  padding: 1rem;
  background: rgba(2, 6, 23, 0.44);
}

/* v1.4.13 public-key detached signature bundle verification */
.checkbox-line {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--text);
  font-weight: 700;
}

.checkbox-line input[type="checkbox"] {
  inline-size: 1rem;
  block-size: 1rem;
}

/* v1.4.13 reviewer trust profile diagnostics */
.compact-diagnostic-grid { margin-top: 1rem; }
.diagnostic-card h3 { font-size: clamp(2rem, 5vw, 3rem); margin: 0; }
.diagnostic-details { margin-bottom: 1rem; }
.diagnostic-status { white-space: nowrap; }
.diagnostic-current, .diagnostic-status-current { border-color: rgba(142,230,176,.45); }
.diagnostic-retired, .diagnostic-status-retired { border-color: rgba(103,193,255,.45); }
.diagnostic-expired, .diagnostic-status-expired, .diagnostic-future-valid, .diagnostic-status-future-valid { border-color: rgba(250,204,117,.55); }
.diagnostic-revoked, .diagnostic-status-revoked, .diagnostic-invalid-window, .diagnostic-status-invalid-window { border-color: rgba(248,113,113,.62); }
.diagnostic-disabled, .diagnostic-status-disabled { opacity: .78; }


/* v1.4.19 compact header and typography recovery */
@media (min-width: 761px) {
  .site-header > .nav-toggle { display: none !important; visibility: hidden; }
}
@media (max-width: 1120px) and (min-width: 761px) {
  .brand-logo { flex-basis: 240px; width: min(240px, 40vw); }
  .brand-logo img { max-height: 64px; }
  .primary-nav a { font-size: 0.82rem; padding-inline: 0.42rem; }
}

/* v1.4.19 full header/nav redesign, active nav, drawer, and typography scale */
:root {
  --header-height: 68px;
  --type-xs: 0.78rem;
  --type-sm: 0.88rem;
  --type-base: 0.97rem;
  --type-lg: 1.08rem;
  --type-xl: 1.34rem;
  --type-2xl: 1.72rem;
  --type-3xl: clamp(2rem, 4.2vw, 3.35rem);
}

body {
  font-size: var(--type-base);
  line-height: 1.52;
}

body.mobile-nav-open {
  overflow: hidden;
}

.skip-link {
  transform: translateY(-220%);
  opacity: 0;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link:focus-visible {
  transform: translateY(0);
  clip-path: none;
  white-space: normal;
}

.site-header {
  min-height: var(--header-height);
  padding: 0;
  background: linear-gradient(180deg, rgba(7, 14, 25, 0.98), rgba(7, 14, 25, 0.92));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.header-inner {
  width: min(100%, calc(var(--content) + 4rem));
  margin: 0 auto;
  padding: 0.35rem clamp(0.85rem, 2.4vw, 1.45rem);
  display: grid;
  grid-template-columns: minmax(220px, 310px) minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.4rem);
}

.brand-logo {
  flex: initial;
  width: min(310px, 34vw);
  min-width: 220px;
}

.brand-logo img {
  max-height: 60px;
}

.primary-nav {
  justify-content: flex-end;
  gap: 0.16rem;
  min-width: 0;
}

.nav-link,
.primary-nav a,
.mobile-nav-links a {
  position: relative;
  border: 1px solid transparent;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.primary-nav a,
.primary-nav .nav-link {
  font-size: clamp(0.78rem, 1vw, 0.9rem);
  font-weight: 760;
  padding: 0.45rem 0.58rem;
  color: #c3cee0;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav .nav-link:hover,
.primary-nav .nav-link:focus-visible {
  background: rgba(103, 193, 255, 0.11);
  border-color: rgba(103, 193, 255, 0.22);
  color: var(--text);
  outline: none;
}

.primary-nav a.is-active,
.primary-nav .nav-link.is-active,
.mobile-nav-links .nav-link.is-active {
  color: #06101f;
  background: linear-gradient(135deg, var(--accent), #a7dcff);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 8px 20px rgba(56, 168, 248, 0.22);
}

.site-header > .nav-toggle,
.nav-toggle {
  display: none !important;
}

.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 38;
  background: rgba(2, 6, 13, 0.68);
  backdrop-filter: blur(3px);
}

.mobile-nav-backdrop[hidden] {
  display: none !important;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 39;
  width: min(88vw, 360px);
  height: 100dvh;
  padding: 1rem;
  background: linear-gradient(180deg, #07101d, #101827);
  border-left: 1px solid var(--border-strong);
  box-shadow: -30px 0 60px rgba(0, 0, 0, 0.36);
  transform: translateX(104%);
  visibility: hidden;
  transition: transform 180ms ease, visibility 180ms ease;
}

.mobile-nav-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 0 0.9rem;
  margin-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: var(--type-xs);
}

.mobile-nav-close {
  padding: 0.45rem 0.7rem;
  font-size: var(--type-xs);
}

.mobile-nav-links {
  display: grid;
  gap: 0.5rem;
}

.mobile-nav-links a {
  display: block;
  text-decoration: none;
  border-radius: 16px;
  padding: 0.8rem 0.95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--border);
  font-weight: 820;
}

.mobile-nav-links a:hover,
.mobile-nav-links a:focus-visible {
  background: rgba(103, 193, 255, 0.13);
  border-color: rgba(103, 193, 255, 0.45);
  outline: none;
}

main {
  padding: clamp(0.75rem, 2.2vw, 1.45rem);
}

.hero,
.page-heading {
  padding: clamp(0.85rem, 2.6vw, 1.95rem) 0 clamp(1rem, 2.8vw, 2.25rem);
}

.hero-compact,
.section-header.compact {
  padding-block: clamp(0.65rem, 1.7vw, 1.2rem);
}

.hero h1,
.page-heading h1 {
  max-width: 860px;
  font-size: var(--type-3xl);
  line-height: 1.06;
  letter-spacing: -0.035em;
  margin-bottom: 0.55rem;
}

.hero p,
.page-heading p,
.hero-lede,
.section-header p {
  font-size: clamp(0.96rem, 1.2vw, 1.08rem);
}

h1,
h2,
h3 {
  text-wrap: balance;
}

.card h2,
.timeline-item h2,
.section-header h2 {
  font-size: clamp(1.32rem, 2.35vw, 2.05rem);
  line-height: 1.13;
}

.card h3,
.timeline-item h3,
.callout-card h3,
.bento-card h3 {
  font-size: clamp(1.03rem, 1.55vw, 1.28rem);
}

.card,
.filters,
.notice,
.lane-strip,
.callout,
.timeline-item,
.code-card,
.mini-card,
.callout-card,
.bento-card {
  padding: clamp(1rem, 2vw, 1.2rem);
}

.section-header {
  margin: clamp(1.05rem, 3vw, 2.1rem) 0 0.9rem;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.button,
button,
.button-link {
  padding: 0.62rem 0.9rem;
  font-size: var(--type-sm);
}

.button-secondary {
  background: transparent;
  border-color: rgba(103, 193, 255, .5);
  color: var(--accent);
}

.form-card textarea {
  min-height: 14rem;
}

.admin-audit-list {
  display: grid;
  gap: 0.65rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.admin-audit-list li {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.75rem;
  background: rgba(8, 17, 31, 0.64);
}

.admin-audit-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--muted);
  font-size: var(--type-xs);
}

.admin-audit-hash {
  word-break: break-all;
}

@media (min-width: 901px) {
  .mobile-nav-drawer,
  .mobile-nav-backdrop {
    display: none !important;
  }
}

@media (max-width: 1040px) {
  .header-inner {
    grid-template-columns: minmax(190px, 260px) minmax(0, 1fr) auto;
  }
  .brand-logo {
    width: min(260px, 32vw);
    min-width: 190px;
  }
  .primary-nav a,
  .primary-nav .nav-link {
    padding-inline: 0.42rem;
    font-size: 0.78rem;
  }
}

@media (max-width: 900px) {
  :root { --header-height: 64px; }
  .header-inner {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0.35rem 0.85rem;
  }
  .brand-logo {
    min-width: 0;
    width: min(255px, 68vw);
  }
  .brand-logo img {
    max-height: 56px;
  }
  .primary-nav {
    display: none !important;
  }
  .site-header > .nav-toggle,
  .nav-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border-radius: 999px;
    border: 1px solid rgba(103, 193, 255, 0.42);
    background: rgba(103, 193, 255, 0.12);
    color: var(--text);
    min-height: 40px;
    padding: 0.48rem 0.72rem;
  }
  .nav-toggle-bars {
    display: grid;
    gap: 4px;
  }
  .nav-toggle-bars span {
    display: block;
    width: 17px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
  }
  main {
    padding-inline: 0.85rem;
  }
  .hero,
  .page-heading {
    padding-top: 0.85rem;
  }
}

@media (max-width: 560px) {
  .brand-logo { width: min(225px, 66vw); }
  .brand-logo img { max-height: 50px; }
  .nav-toggle-label { display: none; }
  .mobile-nav-drawer { width: min(92vw, 340px); }
  .hero h1,
  .page-heading h1 { font-size: clamp(1.78rem, 9vw, 2.55rem); }
}

/* v1.4.19 admin registry snapshot browser */
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.filter-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-weight: 700;
}

.filter-grid input {
  width: 100%;
}

/* v1.4.30 saved admin registry snapshot filter presets */
.preset-panel {
  border: 1px solid rgba(103, 193, 255, 0.22);
  border-radius: 16px;
  padding: 1rem;
  background: rgba(8, 16, 31, 0.58);
}

.preset-panel h3 {
  margin-top: 0;
}

.filter-grid select,
.filter-grid input {
  width: 100%;
}

.small-list {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.75rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.small-list code {
  color: var(--text);
}

/* v1.4.36 website UX, accessibility, examples, and knowledge-base sweep */
.hero-lede { max-width: 760px; color: var(--text); font-weight: 560; }
.status-strip { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.status-pill { display: inline-flex; align-items: center; gap: 0.35rem; border: 1px solid var(--border-strong); border-radius: 999px; padding: 0.32rem 0.68rem; font-weight: 850; font-size: var(--type-sm); background: rgba(255,255,255,.045); color: var(--text); }
.status-pill.live { border-color: rgba(142,230,176,.6); color: #d8ffe5; }
.status-pill.preview { border-color: rgba(103,193,255,.62); color: #dff3ff; }
.status-pill.planned { border-color: rgba(250,204,117,.66); color: #ffefc2; }
.status-pill.roadmap { border-color: rgba(196,181,253,.66); color: #eee7ff; }
.status-map { align-items: stretch; }
.status-card { background: linear-gradient(180deg, rgba(17,26,42,.98), rgba(14,23,38,.92)); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.status-icon { display: inline-grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%; border: 1px solid var(--border-strong); background: rgba(103,193,255,.12); color: var(--text); font-weight: 950; margin-bottom: .55rem; }
.metadata-boundary-diagram { display: grid; gap: .8rem; width: 100%; }
.metadata-boundary-diagram > div:not(.diagram-arrow) { border: 1px solid var(--border); border-radius: 18px; padding: 1rem; background: rgba(255,255,255,.045); }
.metadata-boundary-diagram strong, .metadata-boundary-diagram span { display: block; }
.metadata-boundary-diagram span { color: var(--muted); margin-top: .25rem; }
.diagram-arrow { color: var(--accent); font-weight: 900; text-align: center; }
.channel-diagram { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .6rem; margin: .75rem 0; }
.channel-diagram span { border: 1px solid var(--border); border-radius: 14px; padding: .75rem; background: rgba(103,193,255,.08); font-weight: 850; text-align: center; }
.status-list { display: grid; gap: .65rem; padding-left: 0; list-style: none; }
.status-list li { border-bottom: 1px solid var(--border); padding-bottom: .6rem; }
.guide-card a { color: var(--text); text-decoration-thickness: 2px; }
.grid.five { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.copy-button { min-height: 48px; }
.button, button, .button-link { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; }
.button.secondary, .button-link.secondary, button.secondary { color: #dff3ff; }
.badge.live::before { content: "✓ "; }
.badge.preview::before { content: "◇ "; }
.badge.planned::before { content: "○ "; }
.badge.roadmap::before { content: "△ "; }
a:focus-visible { outline: 3px solid rgba(103, 193, 255, .72); outline-offset: 3px; border-radius: 8px; }
@media (max-width: 640px) { .status-strip, .cta-row { gap: .5rem; } .status-pill, .button, button, .button-link { width: 100%; justify-content: center; } }
.error-callout { border-color: rgba(248, 113, 113, .6); }
.error-callout h3 { color: #fecaca; }

/* v1.4.36 admin profile submission review queue */
.table-scroll {
  overflow-x: auto;
  width: 100%;
}

.compact-form {
  align-items: end;
}

.warning-callout {
  border-left: 0.35rem solid currentColor;
}

/* v1.4.40 admin review dashboard */
.compact-section-header { margin-bottom: 0.75rem; }
.metric-card, .mini-card { min-height: 8rem; }
.metric-value { font-size: clamp(2rem, 6vw, 3rem); line-height: 1; font-weight: 900; color: var(--accent); margin: 0.45rem 0; }
.metric-label { color: var(--muted); margin: 0; }
.dashboard-count-card h3 { margin-bottom: 0.25rem; }
.dashboard-link-list { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.dashboard-link-list a { text-decoration: none; }
.audit-digest-list { display: grid; gap: 0.75rem; }
.audit-digest-item { border: 1px solid var(--border); border-radius: 16px; padding: 0.85rem; background: rgba(8, 17, 31, .56); }
.audit-digest-item p { margin: 0.25rem 0; }

.dashboard-cards {
  gap: 1rem;
}

.note-card {
  border: 1px solid var(--border-color, #d7deea);
  border-radius: 0.8rem;
  padding: 1rem;
  margin-block: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
}

.button.danger {
  border-color: #b42318;
}

/* v1.4.52 UAIX Communications Validation UI */
.uaix-validator-grid { align-items: start; }
.uaix-validator-card textarea { min-height: 18rem; font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.9rem; }
.uaix-report-summary { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }
.uaix-validation-form .button-row { margin-top: 0.75rem; }
.uaix-validation-form .report-panel { margin-top: 0.75rem; }
.uaix-validation-form button[disabled] { opacity: 0.48; cursor: not-allowed; transform: none; }

/* v1.4.52 UAIX Validation Report Archive */
.archive-consent-panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.9rem;
  margin-top: 0.85rem;
  background: rgba(103, 193, 255, 0.07);
  display: grid;
  gap: 0.55rem;
}
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: var(--type-sm);
  color: var(--muted);
}
.checkbox-label input[type="checkbox"] {
  margin-top: 0.2rem;
  min-width: 1rem;
}
.form-grid {
  display: grid;
  gap: 0.75rem;
}
.form-grid input,
.form-grid select,
.archive-consent-panel input[type="text"] {
  width: 100%;
}


/* v1.5.16 human UI refresh: remove dense link wall and add polished grouped navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem clamp(1rem, 4vw, 2.4rem);
  background: rgba(5, 11, 21, 0.92);
  border-bottom: 1px solid rgba(103,193,255,.18);
  backdrop-filter: blur(18px);
}
.site-header .brand { font-size: 1rem; font-weight: 950; letter-spacing: -0.02em; color: #f1f7ff; text-decoration: none; white-space: nowrap; }
.site-header .primary-nav { display: flex; align-items: center; justify-content: flex-end; gap: .45rem; flex-wrap: nowrap; overflow-x: auto; max-width: min(72vw, 860px); scrollbar-width: thin; }
.site-header .primary-nav a { display: inline-flex; align-items: center; min-height: 2.25rem; padding: .42rem .72rem; border: 1px solid rgba(148,163,184,.22); border-radius: 999px; color: #d8e8f7; text-decoration: none; background: rgba(15, 23, 42, .62); white-space: nowrap; font-size: .88rem; font-weight: 800; }
.site-header .primary-nav a:hover { color: #06101f; background: var(--accent); border-color: transparent; }
.page-shell { max-width: 1180px; margin: 0 auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.hero-compact { padding-top: clamp(2.4rem, 7vw, 5rem); padding-bottom: clamp(1.4rem, 4vw, 2.5rem); }
.hero-compact h1 { max-width: 980px; }
.card-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; align-items: stretch; }
.card-grid > .bento-span-6 { grid-column: span 6; }
.route-explorer { margin: clamp(1.5rem, 5vw, 3rem) 0; }
.route-explorer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.route-group-card { border: 1px solid rgba(103,193,255,.22); border-radius: 24px; padding: 1.1rem; background: linear-gradient(160deg, rgba(17, 26, 42, .96), rgba(7, 15, 28, .88)); box-shadow: var(--shadow); }
.route-group-card h3 { margin: 0 0 .75rem; font-size: 1.05rem; }
.route-pill-grid { display: flex; flex-wrap: wrap; gap: .5rem; }
.route-pill-grid a { text-decoration: none; color: #dff3ff; border: 1px solid rgba(148,163,184,.22); background: rgba(103,193,255,.09); border-radius: 999px; padding: .45rem .65rem; font-size: .86rem; }
.route-pill-grid a:hover { color: #06101f; background: var(--accent); }
.angular-human-ui { margin: 2rem 0 0; border: 1px solid rgba(103,193,255,.2); border-radius: 24px; padding: 1rem; background: rgba(7,15,28,.55); }
.angular-human-ui nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .5rem; }
.angular-human-ui a { border: 1px solid rgba(148,163,184,.24); border-radius: 999px; padding: .5rem .7rem; text-decoration: none; color: #dff3ff; background: rgba(103,193,255,.08); }
@media (max-width: 820px) {
  .site-header { position: static; align-items: flex-start; flex-direction: column; }
  .site-header .primary-nav { max-width: 100%; flex-wrap: wrap; justify-content: flex-start; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid > .bento-span-6 { grid-column: 1 / -1; }
}

/* v1.5.16 human UI refinement: compact header + route explorer. */
.site-header { isolation: isolate; }
.header-inner {
  width: min(100%, calc(var(--content) + 4rem));
  margin: 0 auto;
  padding: 0.7rem clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}
.brand-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  text-decoration: none;
  min-width: 0;
}
.brand-wordmark .brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #06101f;
  font-weight: 950;
  letter-spacing: -0.08em;
  background: linear-gradient(135deg, var(--accent), #d9f2ff);
  box-shadow: 0 12px 28px rgba(56,168,248,.22);
}
.brand-wordmark strong { display: block; font-size: clamp(1rem, 1.8vw, 1.22rem); letter-spacing: -0.035em; }
.brand-wordmark small { display: block; color: var(--muted); font-size: 0.72rem; line-height: 1.05; }
.primary-nav {
  display: flex;
  justify-content: flex-end;
  gap: 0.4rem;
  min-width: 0;
  overflow: hidden;
}
.primary-nav .nav-link {
  flex: 0 0 auto;
  color: #c3cee0;
  text-decoration: none;
  font-weight: 780;
  font-size: clamp(0.76rem, 1vw, 0.9rem);
  padding: 0.52rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.025);
}
.primary-nav .nav-link:hover,
.primary-nav .nav-link:focus-visible { background: rgba(103,193,255,.13); color: var(--text); border-color: rgba(103,193,255,.36); outline: none; }
.primary-nav .nav-link.is-active { color: #06101f; background: linear-gradient(135deg, var(--accent), #d8f3ff); border-color: transparent; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(1rem, 2vw, 1.3rem); }
.route-explorer { margin: 1.25rem 0 0; border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(180deg, rgba(17,26,42,.92), rgba(9,17,30,.82)); box-shadow: var(--shadow); }
.route-explorer details { border: 0; background: transparent; padding: 0; }
.route-explorer summary { list-style: none; cursor: pointer; padding: 1rem 1.15rem; color: var(--text); font-weight: 900; display: flex; align-items: center; justify-content: space-between; }
.route-explorer summary::-webkit-details-marker { display: none; }
.route-explorer summary::after { content: "＋"; color: var(--accent); font-weight: 900; }
.route-explorer details[open] summary::after { content: "–"; }
.route-chip-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0.55rem; padding: 0 1.15rem 1.15rem; }
.route-chip { display: inline-flex; align-items: center; min-height: 2.25rem; padding: 0.45rem 0.65rem; border-radius: 12px; border: 1px solid rgba(103,193,255,.24); background: rgba(103,193,255,.075); color: #dff3ff; text-decoration: none; font-weight: 740; font-size: .86rem; }
.route-chip:hover, .route-chip:focus-visible { background: rgba(103,193,255,.16); border-color: rgba(103,193,255,.5); color: var(--text); outline: none; }
@media (max-width: 900px) {
  .header-inner { grid-template-columns: 1fr; gap: .7rem; padding-block: .75rem; }
  .primary-nav { justify-content: flex-start; overflow-x: auto; padding-bottom: .2rem; scrollbar-width: thin; }
  .brand-wordmark small { font-size: .68rem; }
  .route-chip-grid { grid-template-columns: 1fr; }
}



/* v1.5.17 human experience brand system and progressive disclosure refresh */
:root {
  --brand-blue: #1587e8;
  --brand-cyan: #16c6cf;
  --human-bg: #07101d;
  --human-card: rgba(11, 24, 42, 0.88);
  --human-border: rgba(125, 206, 255, 0.26);
}
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.site-header { padding: 0.48rem clamp(0.85rem, 3vw, 2rem); background: rgba(5, 12, 23, 0.90); border-bottom-color: rgba(125, 206, 255, 0.18); }
.header-inner { max-width: var(--content); margin: 0 auto; width: 100%; display: flex; align-items: center; gap: 1rem; justify-content: space-between; }
.brand-logo-lockup { display: inline-flex; align-items: center; width: min(260px, 45vw); min-width: 190px; text-decoration: none; }
.brand-logo-lockup img { display: block; width: 100%; max-height: 68px; object-fit: contain; }
.primary-nav { gap: .35rem; }
.primary-nav a { font-size: .9rem; padding: .55rem .8rem; border: 1px solid transparent; color: #dbeafe; }
.primary-nav a:hover, .primary-nav a:focus { border-color: rgba(125,206,255,.35); background: rgba(125,206,255,.12); }
.nav-toggle { display: none; }
.page-shell { padding-top: clamp(.8rem, 2vw, 1.25rem); }
.home-hero { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, .88fr) minmax(300px, 1.12fr); gap: clamp(1rem, 3vw, 2rem); align-items: center; min-height: clamp(520px, 72vh, 760px); margin: 0 0 clamp(1.25rem, 4vw, 3rem); border: 1px solid rgba(125,206,255,.20); border-radius: 32px; background: linear-gradient(90deg, rgba(246,250,255,.98) 0%, rgba(246,250,255,.92) 42%, rgba(229,245,255,.74) 100%); box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.home-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 6% 20%, rgba(22,198,207,.18), transparent 23rem), linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.90) 42%, rgba(255,255,255,.18) 73%); z-index: 0; }
.home-hero-copy { position: relative; z-index: 1; padding: clamp(1.4rem, 5vw, 4rem); color: #102033; }
.home-hero-copy .eyebrow { color: #0369a1; }
.home-hero-copy h1 { font-size: clamp(2.3rem, 6vw, 5.5rem); line-height: .94; letter-spacing: -0.07em; max-width: 900px; margin: .3rem 0 1rem; color: #0b1c2d; }
.hero-lede { font-size: clamp(1.02rem, 1.7vw, 1.3rem); line-height: 1.55; color: #334155; max-width: 720px; }
.home-hero-art { position: relative; z-index: 1; min-height: 100%; display: grid; place-items: end center; margin: 0; align-self: stretch; }
.home-hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: center right; mix-blend-mode: normal; }
.home-hero-art figcaption { position: absolute; right: 1rem; bottom: 1rem; background: rgba(255,255,255,.78); color: #334155; border: 1px solid rgba(2,132,199,.18); border-radius: 999px; padding: .45rem .7rem; font-size: .82rem; }
.home-hero .button { background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan)); color: white; box-shadow: 0 16px 32px rgba(14,165,233,.24); }
.home-hero .button.secondary { background: white; color: #075985; border-color: rgba(14,165,233,.32); }
.card-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
.card-grid > * { grid-column: span 6; }
.route-explorer { margin-top: clamp(1.5rem, 4vw, 3rem); }
.route-explorer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.route-group-card { padding: 0; overflow: hidden; background: linear-gradient(180deg, rgba(16, 31, 53, .96), rgba(9, 20, 35, .93)); border-color: rgba(125,206,255,.24); }
.route-group-card summary { list-style: none; padding: 1rem; display: grid; gap: .2rem; }
.route-group-card summary::-webkit-details-marker { display: none; }
.route-group-card summary span { font-size: 1.05rem; }
.route-group-card summary small { color: var(--muted); line-height: 1.35; }
.route-pill-grid { display: grid; grid-template-columns: 1fr; gap: .55rem; padding: 0 1rem 1rem; }
.route-pill-grid a, .angular-link-grid a { display: flex; align-items: center; justify-content: space-between; text-decoration: none; color: #dff3ff; border: 1px solid rgba(125,206,255,.24); background: rgba(125,206,255,.08); border-radius: 16px; padding: .68rem .78rem; min-height: 44px; }
.route-pill-grid a:hover, .angular-link-grid a:hover { border-color: rgba(125,206,255,.58); background: rgba(125,206,255,.14); }
.angular-human-ui { margin-top: 1.25rem; border-color: rgba(125,206,255,.20); }
.angular-human-ui nav { display: grid; gap: 1rem; }
.angular-human-ui .angular-section { border: 1px solid rgba(125,206,255,.18); border-radius: 18px; padding: 1rem; background: rgba(7,16,29,.54); }
.angular-human-ui .angular-section h3 { margin-top: 0; }
.angular-link-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .6rem; }
.human-proof-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .75rem; margin-top: 1rem; }
.human-proof-strip .mini-card { padding: .9rem; }
@media (max-width: 980px) { .home-hero { grid-template-columns: 1fr; min-height: auto; } .home-hero-art { min-height: 340px; } .home-hero-art img { max-height: 420px; } .card-grid > * { grid-column: 1 / -1; } }
@media (max-width: 760px) { .brand-logo-lockup { width: min(220px, 68vw); min-width: 170px; } .nav-toggle { display: inline-flex !important; align-items: center; justify-content: center; padding: .55rem .78rem; font-size: .85rem; } .primary-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: .75rem 1rem; background: rgba(5, 12, 23, .98); border-bottom: 1px solid rgba(125,206,255,.22); } .primary-nav.is-open { display: grid; } .primary-nav a { padding: .75rem .85rem; } .home-hero-copy { padding: 1.25rem; } .home-hero-copy h1 { font-size: clamp(2.1rem, 11vw, 3.5rem); } }


/* v1.5.22 product-quality UI/UX brand redesign */
:root {
  --color-bg: #07101d;
  --color-bg-elevated: #0b1626;
  --color-surface: #111d31;
  --color-surface-soft: rgba(125, 206, 255, 0.08);
  --color-border: rgba(148, 190, 221, 0.28);
  --color-text: #f4f8ff;
  --color-text-muted: #c4d3e7;
  --color-accent: #19c6df;
  --color-accent-strong: #248cf5;
  --color-accent-soft: rgba(25, 198, 223, 0.13);
  --color-focus: #7dd3fc;
  --color-live: #8ee6b0;
  --color-planned: #facc75;
  --color-boundary: #ffb4a2;
  --radius-sm: .55rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --shadow-card: 0 18px 44px rgba(0,0,0,.28);
  --shadow-hero: 0 28px 90px rgba(0,0,0,.35);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: Inter, ui-sans-serif, system-ui, sans-serif;
}
body { font-size: 16px; line-height: 1.65; color: var(--color-text); background: radial-gradient(circle at 15% 0%, rgba(25,198,223,.12), transparent 35rem), linear-gradient(180deg, #050c17 0%, var(--color-bg) 55%, #08111e 100%); }
.header-inner { width: min(1220px, 100%); margin: 0 auto; display:flex; align-items:center; justify-content:space-between; gap: 1rem; }
.brand-lockup { display:inline-flex; align-items:center; gap:.65rem; color:var(--color-text); text-decoration:none; font-weight:900; letter-spacing:-.02em; min-height:44px; }
.brand-lockup img { border-radius: .55rem; filter: drop-shadow(0 4px 16px rgba(25,198,223,.28)); }
.primary-nav a[aria-current="page"] { color: #06101f; background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong)); }
.primary-nav a { min-height: 40px; display:inline-flex; align-items:center; }
.nav-toggle { display: none; }
.page-shell { width:min(1220px,100%); }
.homepage-hero { display:grid; grid-template-columns:minmax(0,.86fr) minmax(360px,1.14fr); gap:clamp(1.5rem,4vw,3.5rem); align-items:center; padding:clamp(2rem,6vw,5rem) 0 2rem; }
.homepage-hero-copy h1 { font-size:clamp(2.5rem,5.6vw,5.25rem); line-height:1.02; letter-spacing:-.06em; margin:0 0 1rem; max-width:760px; }
.hero-lede { color:var(--color-text-muted); font-size:clamp(1.05rem,1.7vw,1.26rem); max-width:70ch; }
.hero-boundary { margin-top:1.25rem; color:#fee6df; background:rgba(255,180,162,.10); border:1px solid rgba(255,180,162,.38); padding:1rem; border-radius:var(--radius-md); max-width:76ch; }
.homepage-hero-figure { margin:0; border-radius:var(--radius-xl); overflow:hidden; background:#f8fbff; box-shadow:var(--shadow-hero); border:1px solid rgba(255,255,255,.52); }
.homepage-hero-figure img { display:block; width:100%; aspect-ratio:16/9; object-fit:cover; object-position:center; }
.homepage-hero-figure figcaption { color:#25415e; font-size:.92rem; padding:.8rem 1rem; background:#f8fbff; }
.section-header { max-width: 76ch; }
.section-header h2 { max-width: 16ch; }
.comparison-grid, .path-card-grid, .machine-evidence-grid, .glossary-grid, .brand-asset-grid, .route-card-grid { display:grid; gap:1rem; }
.comparison-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.path-card-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.machine-evidence-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.glossary-grid, .brand-asset-grid { grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); }
.comparison-card, .path-card, .evidence-item, .glossary-card, .brand-asset-card, .route-card { background: linear-gradient(180deg, rgba(17,29,49,.98), rgba(11,22,38,.92)); border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:1.25rem; box-shadow:var(--shadow-card); }
.comparison-card ul { margin: .8rem 0 0; padding-left:1.2rem; color:var(--color-text-muted); }
.path-card h3, .evidence-item h3, .route-card h3 { margin:.75rem 0 .4rem; }
.path-card p, .evidence-item p, .route-card p, .glossary-card p { color:var(--color-text-muted); }
.text-link { color:var(--color-accent); font-weight:800; text-decoration:none; }
.text-link:hover, .text-link:focus-visible { text-decoration:underline; }
.status-badge, .format-badge { display:inline-flex; align-items:center; gap:.35rem; border-radius:999px; padding:.28rem .62rem; font-size:.82rem; font-weight:900; border:1px solid transparent; }
.status-badge.live { background:rgba(142,230,176,.13); color:var(--color-live); border-color:rgba(142,230,176,.32); }
.status-badge.planned { background:rgba(250,204,117,.14); color:var(--color-planned); border-color:rgba(250,204,117,.36); }
.status-badge.boundary { background:rgba(255,180,162,.13); color:var(--color-boundary); border-color:rgba(255,180,162,.36); }
.status-badge.machine, .format-badge { background:var(--color-accent-soft); color:#bff6ff; border-color:rgba(25,198,223,.34); }
.boundary-panel { background:linear-gradient(135deg, rgba(255,180,162,.12), rgba(17,29,49,.92)); border:1px solid rgba(255,180,162,.38); border-radius:var(--radius-xl); padding:clamp(1.25rem,4vw,2.25rem); margin:2rem 0; box-shadow:var(--shadow-card); }
.route-explorer-v2 { margin:2.5rem 0; }
.route-search-label { display:block; max-width:540px; margin-bottom:.4rem; }
.route-search-input { max-width:540px; min-height:44px; }
.route-disclosure-list { display:grid; gap:1rem; margin-top:1rem; }
.route-disclosure summary { display:grid; gap:.25rem; }
.route-disclosure summary small { color:var(--color-text-muted); font-weight:500; }
.route-card-grid { grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); margin-top:1rem; }
.route-card-top { display:flex; justify-content:space-between; gap:1rem; align-items:start; }
.route-card code { display:block; margin:.75rem 0; white-space:normal; overflow-wrap:anywhere; }
.route-card dl { display:grid; grid-template-columns:1fr 1fr; gap:.5rem; }
.route-card dt { font-weight:900; font-size:.82rem; color:#fff; }
.route-card dd { margin:0; color:var(--color-text-muted); }
.boundary-note { font-size:.92rem; border-left:3px solid var(--color-accent); padding-left:.75rem; }
.connect-hero { display:grid; grid-template-columns:minmax(0,.9fr) minmax(320px,1.1fr); gap:2rem; align-items:center; padding:2rem 0; }
.connect-hero h1 { font-size:clamp(2.25rem,5vw,4.4rem); line-height:1.05; letter-spacing:-.05em; }
.connect-hero figure { margin:0; border-radius:var(--radius-xl); overflow:hidden; background:#fff; box-shadow:var(--shadow-hero); }
.brand-asset-card img { background:#fff; border-radius:var(--radius-md); padding:.75rem; max-height:220px; object-fit:contain; width:100%; }
.badge-grid { display:flex; flex-wrap:wrap; gap:.75rem; }
.angular-human-ui { margin:2rem 0; }
.angular-section { border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:1rem; margin:1rem 0; background:rgba(17,29,49,.68); }
.angular-link-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:.6rem; }
.angular-link-grid a { display:block; padding:.7rem .8rem; border:1px solid var(--color-border); border-radius:var(--radius-md); text-decoration:none; background:rgba(25,198,223,.06); }
.footer-grid-v2 { width:min(1220px,100%); margin:0 auto; display:grid; grid-template-columns:2fr repeat(3,1fr); gap:1.25rem; }
.footer-grid-v2 a { display:block; margin:.35rem 0; }
:focus-visible { outline:3px solid var(--color-focus); outline-offset:3px; }
@media (max-width: 960px) { .homepage-hero, .connect-hero { grid-template-columns:1fr; } .path-card-grid, .machine-evidence-grid, .comparison-grid { grid-template-columns:1fr; } .footer-grid-v2 { grid-template-columns:1fr 1fr; } }
@media (max-width: 760px) { .nav-toggle { display:inline-flex !important; min-height:44px; align-items:center; } .primary-nav { display:none; position:absolute; top:100%; left:0; right:0; padding:1rem; background:rgba(5,12,23,.98); border-bottom:1px solid var(--color-border); } .primary-nav.is-open { display:grid; } .primary-nav a { justify-content:flex-start; } .homepage-hero { padding-top:1rem; } .homepage-hero-copy h1 { font-size:clamp(2.2rem,12vw,3.8rem); } .footer-grid-v2 { grid-template-columns:1fr; } body { overflow-x:hidden; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior:auto !important; } }