/* ============================================================
   Orbit Ink — design system
   Orbi / Orbi360 · Sensus InVista
   Tokens, base, chrome, components. Page sections live in pages.css
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Brand core */
  --ink: #0E3531;
  --ledger: #F3F2EA;
  --plot: #E7EBDD;
  --signal: #9BB5A6;
  --bone: #E6E0C4;
  --quiet: #5C6F6A;
  --rule: #C5CCC4;

  /* Depth + surfaces */
  --ink-deep: #0A2724;
  --ink-soft: #14443E;
  --card: #FCFBF5;
  --on-dark: #F3F2EA;
  --on-dark-muted: rgba(243, 242, 234, 0.74);
  --on-dark-faint: rgba(243, 242, 234, 0.46);
  --line-dark: rgba(230, 224, 196, 0.16);
  --muted: #4A5C57;
  --accent-text: #3F6357;

  /* Status */
  --status-foundation: #2A6350;
  --status-config: #7A5A2E;
  --status-proposed: #4A5C57;
  --status-exploration: #3F6357;
  --status-authority: #7A5A2E;

  /* Gradients */
  --grad-ink: radial-gradient(120% 90% at 50% -12%, var(--ink-soft) 0%, var(--ink) 52%, var(--ink-deep) 100%);
  --grad-deep: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  --grad-sheen: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 58%);
  --grad-card: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
  --grad-glow: radial-gradient(70% 55% at 50% 0%, rgba(155, 181, 166, 0.26), transparent 72%);

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(10, 39, 36, 0.06), 0 1px 3px rgba(10, 39, 36, 0.04);
  --shadow-md: 0 10px 28px -10px rgba(10, 39, 36, 0.16), 0 2px 6px rgba(10, 39, 36, 0.05);
  --shadow-lg: 0 26px 52px -18px rgba(10, 39, 36, 0.24), 0 8px 18px -8px rgba(10, 39, 36, 0.08);
  --shadow-xl: 0 40px 80px -28px rgba(10, 39, 36, 0.32), 0 12px 28px -12px rgba(10, 39, 36, 0.1);
  --shadow-glow: 0 0 0 1px rgba(155, 181, 166, 0.4), 0 14px 44px -14px rgba(155, 181, 166, 0.5);

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Space */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 120px;

  /* Type */
  --sans: 'Source Sans 3', Arial, sans-serif;
  --serif: 'Source Serif 4', Georgia, serif;
  --word: 'Outfit', Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  background: var(--ledger);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, textarea, select { font: inherit; color: inherit; }
button, a, input, textarea, select, summary { touch-action: manipulation; }
button { cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
h1 { font-size: clamp(3rem, 5.4vw, 4.9rem); margin-bottom: var(--s-5); }
h2 { font-size: clamp(2.1rem, 3.5vw, 3.35rem); margin-bottom: var(--s-5); }
h3 { font-size: 1.55rem; margin-bottom: var(--s-3); }
h4 { font-size: 1.2rem; margin-bottom: var(--s-3); }
p { margin-bottom: 1.25rem; }
em { font-style: italic; font-weight: 400; }
strong { font-weight: 600; }
img, svg { display: block; max-width: 100%; height: auto; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
  border-radius: 4px;
}
[hidden] { display: none !important; }
code {
  font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--plot);
  padding: 1px 5px;
  border-radius: 5px;
  overflow-wrap: anywhere;
}
figure { margin: 0; }

/* ---------- Layout utilities ---------- */
.wrap { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.section { padding: var(--s-10) 0; position: relative; }
.compact-top { padding-top: var(--s-8); }
.section-note { margin: var(--s-5) 0 0; }

.ink {
  background: var(--grad-deep);
  background-color: var(--ink);
  color: var(--on-dark);
  position: relative;
}
.ink-glow { background: var(--grad-ink); background-color: var(--ink); }
.ink-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-glow);
  pointer-events: none;
}
.ink-glow::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(230, 224, 196, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 224, 196, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(75% 65% at 50% 20%, #000, transparent 85%);
  mask-image: radial-gradient(75% 65% at 50% 20%, #000, transparent 85%);
  pointer-events: none;
}
.ink-glow > * { position: relative; z-index: 1; }
.ink h1, .ink h2, .ink h3, .ink h4 { color: var(--bone); }
.ink h1 em, .ink h2 em { color: var(--signal); }
.plot { background: var(--plot); }

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-transform: uppercase;
  margin-bottom: var(--s-5);
  color: var(--muted);
}
.ink .eyebrow { color: var(--signal); }
.small-print { font-size: 0.875rem; color: var(--muted); line-height: 1.55; }
.ink .small-print { color: var(--on-dark-muted); }

/* ---------- Chips, tags, status ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.5);
  padding: 6px 11px;
  border-radius: var(--r-pill);
  color: var(--muted);
}
.ink .tag { border-color: var(--line-dark); background: rgba(243, 242, 234, 0.06); color: var(--on-dark-muted); }

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  line-height: 1.4;
  padding: 7px 12px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
}
.status-chip::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.chip-foundation { color: var(--status-foundation); background: rgba(42, 99, 80, 0.1); border-color: rgba(42, 99, 80, 0.28); }
.chip-config { color: var(--status-config); background: rgba(122, 90, 46, 0.1); border-color: rgba(122, 90, 46, 0.28); }
.chip-proposed { color: var(--status-proposed); background: rgba(74, 92, 87, 0.1); border-color: rgba(74, 92, 87, 0.28); }
.chip-specified { color: var(--status-proposed); background: rgba(74, 92, 87, 0.06); border-color: rgba(74, 92, 87, 0.22); }
.chip-exploration { color: var(--status-exploration); background: rgba(155, 181, 166, 0.2); border-color: rgba(155, 181, 166, 0.5); }
.chip-authority { color: var(--status-authority); background: rgba(122, 90, 46, 0.08); border-color: rgba(122, 90, 46, 0.24); }
.ink .chip-foundation, .ink .chip-config, .ink .chip-proposed,
.ink .chip-specified, .ink .chip-exploration, .ink .chip-authority {
  background: rgba(243, 242, 234, 0.08);
  border-color: var(--line-dark);
  color: var(--bone);
}
.ink .status-chip::before { background: var(--signal); }

.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chips span {
  font-size: 0.8125rem;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.55);
  padding: 6px 11px;
  border-radius: var(--r-pill);
  color: var(--muted);
}
.ink .chips span { border-color: var(--line-dark); background: rgba(243, 242, 234, 0.06); color: var(--on-dark-muted); }

.wordmark {
  font-family: var(--word);
  font-weight: 600;
  letter-spacing: -0.05em;
  font-size: 1.2rem;
}
.plus { color: var(--signal); font-weight: 500; }

/* ---------- Icons ---------- */
.icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-lg { width: 26px; height: 26px; }
.icon-xl { width: 32px; height: 32px; }
.icon-tile {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, rgba(155, 181, 166, 0.24), rgba(155, 181, 166, 0.08));
  border: 1px solid rgba(63, 99, 87, 0.2);
  color: var(--accent-text);
  margin-bottom: var(--s-5);
}
.ink .icon-tile {
  background: rgba(243, 242, 234, 0.07);
  border-color: var(--line-dark);
  color: var(--signal);
}
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- Actions: buttons + links ---------- */
.actions {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  flex-wrap: wrap;
  margin: var(--s-6) 0;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  min-height: 52px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease, border-color 0.2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button .icon { width: 1em; height: 1em; }

.button.primary {
  background: linear-gradient(180deg, var(--ink-soft), var(--ink));
  color: var(--ledger);
  box-shadow: var(--shadow-md), var(--grad-sheen) no-repeat;
  background-blend-mode: normal;
  position: relative;
  overflow: hidden;
}
.button.primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-sheen);
  pointer-events: none;
}
.button.primary:hover { box-shadow: var(--shadow-lg), 0 0 0 1px rgba(155, 181, 166, 0.35); }

.button.light {
  background: var(--bone);
  color: var(--ink);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.button.light::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-sheen);
  pointer-events: none;
}
.button.light:hover { background: var(--ledger); box-shadow: var(--shadow-glow); }

.button.outline {
  border-color: var(--rule);
  background: rgba(255, 255, 255, 0.4);
  color: var(--ink);
}
.button.outline:hover { border-color: var(--ink); background: var(--card); box-shadow: var(--shadow-sm); }
.ink .button.outline { border-color: var(--line-dark); background: rgba(243, 242, 234, 0.05); color: var(--on-dark); }
.ink .button.outline:hover { border-color: var(--signal); background: rgba(243, 242, 234, 0.1); }

.button.small { font-size: 0.9375rem; padding: 10px 18px; min-height: 44px; border-radius: var(--r-sm); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid currentColor;
  font-size: 1rem;
  font-weight: 500;
  transition: opacity 0.2s ease, gap 0.2s ease;
}
.text-link:hover { opacity: 0.75; gap: 12px; }
.nav-login {
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  transition: color 0.2s ease;
}
.nav-login:hover { color: var(--accent-text); }

.underlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid currentColor;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  transition: gap 0.2s ease, opacity 0.2s ease;
}
.underlink::after { content: '→'; transition: transform 0.2s ease; }
.underlink:hover { opacity: 0.8; }
.underlink:hover::after { transform: translateX(3px); }

.skip {
  position: fixed;
  left: 20px;
  top: -100px;
  padding: 12px 18px;
  background: var(--card);
  color: var(--ink);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-md);
  z-index: 200;
  font-weight: 600;
}
.skip:focus { top: 14px; }

/* ---------- Brand mark ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 600 1.7rem/1 var(--word);
  letter-spacing: -0.06em;
  flex-shrink: 0;
}
.brand > span > span { font-weight: 400; color: var(--quiet); }
.ink .brand > span > span, .site-footer .brand > span > span { color: var(--signal); }
.brand-mark { width: 38px; height: 38px; flex-shrink: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(243, 242, 234, 0.85);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid rgba(197, 204, 196, 0.7);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--s-6);
  min-height: 76px;
  padding: 12px 0;
}
.desktop-nav { display: flex; gap: 6px; margin-left: auto; font-size: 0.975rem; }
.desktop-nav a {
  padding: 9px 13px;
  border-radius: var(--r-sm);
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s ease, background 0.2s ease;
}
.desktop-nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.6); }
.desktop-nav a[aria-current='page'] {
  color: var(--ink);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: inset 0 -2px 0 var(--ink);
}
.menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.55);
}
.mobile-nav {
  padding: 8px 0 22px;
  display: grid;
  gap: 4px;
}
.mobile-nav a {
  display: block;
  padding: 13px 14px;
  border-radius: var(--r-sm);
  font-weight: 500;
}
.mobile-nav a:hover, .mobile-nav a[aria-current='page'] { background: rgba(255, 255, 255, 0.65); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-deep);
  color: var(--on-dark);
  border-top: 1px solid var(--line-dark);
}
.footer-main {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--s-7);
  align-items: start;
  padding: var(--s-8) 0 var(--s-6);
}
.footer-main p { font-size: 0.95rem; color: var(--on-dark-muted); margin: var(--s-4) 0 0; }
.footer-main > div { display: grid; gap: 10px; font-size: 0.9375rem; align-content: start; }
.footer-main .brand { color: var(--bone); margin-bottom: 2px; }
.footer-main .brand > span > span { color: var(--signal); }
.footer-col .eyebrow { color: var(--signal); margin-bottom: 4px; }
.footer-main .footer-col a { color: var(--on-dark-muted); transition: color 0.2s ease; }
.footer-main .footer-col a:hover { color: var(--bone); }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  padding: var(--s-5) 0;
  font-size: 0.8125rem;
  color: var(--on-dark-faint);
}
.footer-bottom a { color: var(--on-dark-muted); border-bottom: 1px solid transparent; }
.footer-bottom a:hover { color: var(--bone); border-bottom-color: var(--signal); }
.noscript-note {
  margin: var(--s-5) auto;
  padding: var(--s-4) 0;
  font-size: 0.9375rem;
  color: var(--muted);
}
.noscript-note a { border-bottom: 1px solid currentColor; }

/* ---------- Generic cards + panels ---------- */
.card {
  background: var(--card);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: var(--s-6);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--signal); }
.ink .card {
  background: rgba(243, 242, 234, 0.05);
  border-color: var(--line-dark);
  box-shadow: none;
  color: var(--on-dark);
}
.ink .card:hover { border-color: var(--signal); box-shadow: var(--shadow-glow); }

.split-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--s-8);
  align-items: end;
  margin-bottom: var(--s-7);
}
.split-heading h2 { margin: 0; }
.split-heading > p { margin: 0; color: var(--muted); font-size: 1.125rem; }
.ink .split-heading > p { color: var(--on-dark-muted); }

.center-heading { text-align: center; max-width: 760px; margin: 0 auto var(--s-7); }
.center-heading p:last-child { color: var(--muted); }
.center-note {
  text-align: center;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 700px;
  margin: var(--s-5) auto 0;
}

.review-boundary {
  border-left: 3px solid var(--signal);
  background: rgba(155, 181, 166, 0.1);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--muted);
}
.ink .review-boundary { color: var(--on-dark-muted); background: rgba(243, 242, 234, 0.05); }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--rule);
  overflow-x: auto;
  scrollbar-width: thin;
}
.tabs button {
  border-bottom: 3px solid transparent;
  padding: 15px 20px;
  white-space: nowrap;
  font-size: 0.975rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  transition: color 0.2s ease, background 0.2s ease;
}
.tabs button:hover { color: var(--ink); background: rgba(255, 255, 255, 0.55); }
.tabs button[aria-selected='true'] {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}

/* ---------- Work panels + artifacts ---------- */
.work-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--s-7);
  padding-top: var(--s-7);
  align-items: start;
}
.work-panel > * { min-width: 0; }
.work-copy h3 { font-size: 2.05rem; }
.work-copy > p { font-size: 1.025rem; }
.work-stages { padding: 0; list-style: none; margin: var(--s-5) 0; }
.work-stages li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: var(--s-3);
  border-top: 1px solid var(--rule);
  padding: 14px 0;
  font-size: 1rem;
}
.work-stages li > span { font-family: var(--serif); color: var(--accent-text); }
.work-stages small { display: block; color: var(--muted); font-size: 0.875rem; margin-top: 2px; }

.artifact {
  background: var(--card);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.artifact-bar {
  display: flex;
  justify-content: space-between;
  gap: var(--s-3);
  padding: 13px 20px;
  border-bottom: 1px solid var(--rule);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  color: var(--muted);
  background: rgba(231, 235, 221, 0.5);
}
.motion-preview { position: relative; aspect-ratio: 16 / 9; background: var(--ink-deep); overflow: hidden; }
.motion-preview img { width: 100%; height: 100%; object-fit: cover; }
.motion-title {
  position: absolute;
  left: 26px;
  bottom: 23px;
  max-width: 70%;
  padding: 16px 20px;
  background: rgba(10, 39, 36, 0.88);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--on-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
}
.motion-title span { font-size: 0.6875rem; letter-spacing: 0.12em; font-weight: 600; color: var(--signal); }
.motion-title h4 { font-family: var(--serif); font-size: 1.9rem; line-height: 1.08; margin: 8px 0 0; color: var(--bone); }
.artifact-body { padding: var(--s-5) var(--s-6) var(--s-6); }
.artifact-body h4 { font-size: 1.5rem; margin-bottom: var(--s-4); }
.timeline { display: flex; gap: 5px; margin: var(--s-4) 0 var(--s-2); }
.timeline span {
  background: var(--plot);
  border-bottom: 3px solid var(--ink);
  padding: 13px 10px;
  font-size: 0.8125rem;
  flex: 1;
  border-radius: var(--r-sm) var(--r-sm) 0 0;
}
.timeline span:nth-child(2) { flex: 2; }
.artifact-files { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: var(--s-5); }
.artifact-files span {
  border: 1px solid var(--rule);
  background: rgba(231, 235, 221, 0.4);
  padding: 12px 14px;
  font-size: 0.8125rem;
  color: var(--muted);
  border-radius: var(--r-sm);
}
.artifact-files b { display: block; font-size: 0.975rem; color: var(--ink); margin-bottom: 2px; }
.artifact .small-print { margin-bottom: 0; }
.artifact-table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r-md); }
.artifact-table { border-collapse: collapse; width: 100%; font-size: 0.9375rem; }
.artifact-table th {
  text-align: left;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--plot);
  color: var(--muted);
}
.artifact-table th, .artifact-table td { padding: 14px 16px; border-bottom: 1px solid var(--rule); }
.artifact-table tr:last-child td { border-bottom: 0; }
.artifact-table td:first-child { font-weight: 600; }
.document-heading { font-family: var(--serif); font-size: 2rem; line-height: 1.12; margin: var(--s-5) 0; }
.document-section { border-top: 1px solid var(--rule); padding: 18px 0 0; }
.document-section b { font-size: 0.75rem; letter-spacing: 0.08em; color: var(--accent-text); }
.document-section p { font-size: 1rem; margin: 8px 0 18px; }

/* ---------- Paths (start page) ---------- */
.paths {
  display: grid;
  grid-template-columns: 1.05fr 1fr 1fr;
  gap: var(--s-6);
  padding-top: var(--s-8);
  padding-bottom: var(--s-8);
}
.paths h2 { font-size: 2.1rem; }
.paths article {
  background: var(--card);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: var(--s-6);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.paths article:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--signal); }
.paths article p { font-size: 1.025rem; color: var(--muted); }
.index {
  font-family: var(--serif);
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(155, 181, 166, 0.2);
  color: var(--accent-text);
  margin-bottom: var(--s-4);
}
.path-note {
  grid-column: 1 / -1;
  font-size: 0.875rem;
  color: var(--muted);
  border-top: 1px solid var(--rule);
  padding-top: var(--s-5);
  margin: 0;
}

/* ---------- Library (agents page) ---------- */
.library-shell { display: grid; grid-template-columns: 280px 1fr; gap: var(--s-7); align-items: start; }
.bundle-nav {
  position: sticky;
  top: 110px;
  background: var(--card);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--s-5);
}
.bundle-nav p { font-size: 0.975rem; margin-top: var(--s-4); }
.bundle-nav .small-print { font-size: 0.8125rem; }
.bundle-nav .tag { margin: 4px 0; }
.agent-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-4); }
.agent-card {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  padding: var(--s-5);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  min-width: 0;
}
.agent-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--signal); }
.agent-card-top { display: flex; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: var(--s-5); }
.agent-symbol {
  font: 600 0.95rem/1 var(--word);
  letter-spacing: 0.02em;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(63, 99, 87, 0.22);
  background: linear-gradient(180deg, rgba(155, 181, 166, 0.22), rgba(155, 181, 166, 0.06));
  color: var(--accent-text);
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  flex-shrink: 0;
}
.agent-card .tag { font-size: 0.65rem; }
.agent-card h3 { font-size: 1.7rem; margin-bottom: 6px; }
.agent-subtitle { font-size: 0.9375rem; color: var(--muted); margin-bottom: var(--s-4); }
.agent-card .agent-output { font-size: 1rem; line-height: 1.5; margin-bottom: var(--s-5); }
.agent-card .underlink { margin-top: auto; align-self: start; font-size: 0.9375rem; }

/* ---------- Connector map ---------- */
.connector-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 var(--s-4); }
.connector-logo {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--rule);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.72);
  flex-shrink: 0;
}
.connector-logo img { width: 17px; height: 17px; display: block; }
.connector-logo.is-mono::after {
  content: attr(data-initials);
  font: 600 0.6rem/1 var(--word);
  letter-spacing: 0.02em;
  color: var(--accent-text);
}
.connector-row .connector-logo { width: 28px; height: 28px; }
.connector-row .connector-logo img { width: 15px; height: 15px; }
.connector-list { list-style: none; margin: var(--s-3) 0 0; padding: 0; display: grid; gap: 10px; }
.connector-item {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  padding: 12px;
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.5);
}
.connector-item.is-default { border-color: rgba(42, 99, 80, 0.28); background: rgba(42, 99, 80, 0.05); }
.connector-copy { min-width: 0; flex: 1; }
.connector-item .connector-name {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin: 0 0 4px;
  font-weight: 600;
  color: var(--ink);
}
.connector-item .small-print { margin: 0; }
.connector-item .tag { font-size: 0.625rem; padding: 4px 9px; }
.tag-action { color: var(--status-authority); border-color: rgba(122, 90, 46, 0.28); background: rgba(122, 90, 46, 0.08); }
.tag-default { color: var(--status-foundation); border-color: rgba(42, 99, 80, 0.28); background: rgba(42, 99, 80, 0.1); }
.library-standard {
  margin-top: var(--s-7);
  background: linear-gradient(180deg, rgba(231, 235, 221, 0.9), rgba(231, 235, 221, 0.5));
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: var(--s-3) var(--s-7);
}
.library-standard h3 { margin: 0; }
.library-standard p { font-size: 1rem; margin: 0; color: var(--muted); }
.library-standard a { grid-column: 2; justify-self: start; }

/* ---------- Tenant / team demo ---------- */
.tenant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-6); }
.tenant-config, .team-demo {
  border: 1px solid var(--line-dark);
  background: rgba(243, 242, 234, 0.05);
  padding: var(--s-6);
  border-radius: var(--r-lg);
}
.tenant-config dl { margin: 0 0 var(--s-5); }
.tenant-config dl > div { border-top: 1px solid var(--line-dark); padding: 16px 0; }
.tenant-config dt { font-size: 1.05rem; font-weight: 600; color: var(--bone); }
.tenant-config dd { font-size: 0.975rem; margin: 4px 0 0; color: var(--on-dark-muted); }
.team-demo select { background: rgba(10, 39, 36, 0.5); color: var(--on-dark); border-color: var(--line-dark); }
.team-demo > p:not(.eyebrow):not(.small-print) { font-size: 1rem; margin-top: var(--s-5); color: var(--on-dark-muted); }
.team-result { border-top: 1px solid var(--line-dark); padding: 16px 0; }
.team-result strong { display: block; font-size: 1rem; color: var(--bone); }
.team-result p { font-size: 0.9375rem; margin: 5px 0 0; color: var(--on-dark-muted); }

.three-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-6); margin-top: var(--s-7); }
.three-notes h3 { font-size: 1.4rem; }
.three-notes p { font-size: 1rem; margin: 0; color: var(--muted); }
.ink .three-notes p { color: var(--on-dark-muted); }
.ink .three-notes article {
  border-top: 1px solid var(--line-dark);
  padding-top: var(--s-5);
}
.ink .three-notes article.card { border-top: 1px solid var(--line-dark); padding-top: var(--s-6); }

.benefit-list { list-style: none; padding: 0; margin: var(--s-5) 0; display: grid; gap: var(--s-3); }
.benefit-list li {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-size: 1.025rem;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}
.benefit-list .icon { color: var(--accent-text); width: 1.25em; height: 1.25em; }

/* ---------- Boundary demo ---------- */
.boundary-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid rgba(197, 204, 196, 0.9);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--card);
}
.demo-control { padding: var(--s-6); background: linear-gradient(180deg, rgba(231, 235, 221, 0.75), rgba(231, 235, 221, 0.35)); }
label { display: block; font-size: 0.975rem; font-weight: 600; margin: var(--s-5) 0 var(--s-2); }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  background: var(--card);
  font-size: 1rem;
  min-width: 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--signal);
  box-shadow: 0 0 0 3px rgba(155, 181, 166, 0.3);
  outline: none;
}
textarea { resize: vertical; }
.demo-control .small-print { margin: var(--s-4) 0; }
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  font-weight: 500;
  border-bottom: 1px solid var(--rule);
  padding: 12px 0;
  margin: 6px 0;
  font-size: 0.95rem;
  cursor: pointer;
}
.switch-row input { width: 20px; height: 20px; flex-shrink: 0; accent-color: var(--ink); }
.demo-control > button { margin-top: var(--s-5); }
.demo-result {
  background: var(--grad-deep);
  background-color: var(--ink);
  color: var(--on-dark);
  padding: var(--s-6);
  position: relative;
}
.result-head { display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); margin-bottom: var(--s-5); }
.demo-result .tag { border-color: var(--line-dark); background: rgba(243, 242, 234, 0.06); color: var(--bone); }
.demo-result h3 { color: var(--bone); font-size: 1.9rem; }
.demo-result > p { font-size: 1rem; color: var(--on-dark-muted); }
.selection-counts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  margin: var(--s-5) 0;
  padding: var(--s-4) 0;
  gap: var(--s-5);
}
.selection-counts strong { display: block; font: 400 2rem/1.1 var(--serif); color: var(--bone); }
.selection-counts span { font-size: 0.8125rem; color: var(--on-dark-faint); }
.release-record { border-bottom: 1px solid var(--line-dark); padding: 12px 0; }
.release-record strong { font-size: 1rem; color: var(--on-dark); }
.release-record p { font-size: 0.875rem; margin: 6px 0 0; color: var(--on-dark-muted); }
.release-empty {
  border: 1px dashed var(--line-dark);
  padding: 18px;
  border-radius: var(--r-md);
  font-size: 1rem;
  color: var(--on-dark-muted);
}
.receipt { margin-top: var(--s-5); font-size: 0.875rem; color: var(--on-dark-muted); }
.receipt summary { font-size: 1rem; color: var(--on-dark); font-weight: 500; }
.receipt dl > div { display: flex; justify-content: space-between; gap: var(--s-5); margin: 8px 0; }
.receipt dd { margin: 0; text-align: right; color: var(--bone); }

/* ---------- Memory ---------- */
.memory-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-8); align-items: center; }
.memory-example {
  background: var(--card);
  padding: var(--s-6);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}
.memory-record { border-top: 1px solid var(--rule); padding-top: var(--s-5); margin-top: var(--s-5); }
.memory-record h3 { font-size: 1.75rem; }
.memory-record > strong { font-size: 0.9375rem; color: var(--accent-text); }
.memory-record > p:not(.eyebrow) { font-size: 1rem; color: var(--muted); }

/* ---------- Screenshots / console ---------- */
.browser-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-deep);
  border: 1px solid rgba(10, 39, 36, 0.25);
  box-shadow: var(--shadow-xl);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: 12px 18px;
  background: var(--ink-soft);
  border-bottom: 1px solid var(--line-dark);
}
.browser-dots { display: flex; gap: 6px; }
.browser-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(243, 242, 234, 0.22); }
.browser-bar .wordmark { color: var(--on-dark-muted); font-size: 0.9rem; }
.browser-bar > span:last-child { margin-left: auto; font-size: 0.6875rem; letter-spacing: 0.1em; color: var(--on-dark-faint); font-weight: 600; }

.screen-image-button {
  position: relative;
  padding: 0;
  background: var(--card);
  border: 0;
  width: 100%;
  display: block;
  cursor: zoom-in;
}
.screen-image-button img { width: 100%; height: auto; }
.screen-image-button span {
  position: absolute;
  bottom: 18px;
  right: 18px;
  background: rgba(10, 39, 36, 0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--on-dark);
  border: 1px solid var(--line-dark);
  padding: 11px 16px;
  border-radius: var(--r-pill);
  font-size: 0.875rem;
  font-weight: 600;
}
figcaption {
  display: flex;
  justify-content: space-between;
  gap: var(--s-5);
  font-size: 0.9375rem;
  color: var(--muted);
  padding-top: var(--s-5);
}
figcaption strong { color: var(--ink); font-weight: 600; }
figcaption > span { flex-shrink: 0; font-size: 0.875rem; }

/* ---------- Status grid, architecture, tables, FAQ ---------- */
.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); margin-bottom: var(--s-5); }
.status-grid article {
  background: var(--card);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--s-6);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.status-grid article:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.status-grid .status-chip, .status-grid .tag { margin-bottom: var(--s-5); }
.status-grid h3 { margin-top: 0; font-size: 1.5rem; }
.status-grid p { font-size: 0.975rem; margin: 0; color: var(--muted); }

.architecture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); margin-bottom: var(--s-5); }
.architecture-grid article {
  background: var(--card);
  border: 1px solid rgba(197, 204, 196, 0.8);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: var(--s-6);
}
.architecture-grid .wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  background: rgba(231, 235, 221, 0.7);
  border: 1px solid var(--rule);
  border-radius: var(--r-pill);
  padding: 7px 14px;
  margin-bottom: var(--s-5);
}
.architecture-grid p { font-size: 1rem; color: var(--muted); margin: 0; }

.table-scroll { max-width: 100%; overflow-x: auto; margin: var(--s-5) 0; border: 1px solid var(--rule); border-radius: var(--r-lg); background: var(--card); }
.capture-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 1rem; }
.capture-table th, .capture-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  min-width: 140px;
}
.capture-table th {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(231, 235, 221, 0.5);
}
.capture-table tr:last-child td { border-bottom: 0; }
.capture-table td:first-child { font-weight: 600; min-width: 130px; }
.capture-table td:last-child { min-width: 210px; }

.faq-grid { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: var(--s-8); }
details {
  border-bottom: 1px solid var(--rule);
}
summary {
  cursor: pointer;
  padding: 20px 0;
  font-size: 1.1rem;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: '+';
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--accent-text);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
details[open] summary::after { transform: rotate(45deg); }
details p { font-size: 1rem; color: var(--muted); }
details p:last-child { padding-bottom: var(--s-4); }
.technical-disclosure { max-width: 1000px; }
.technical-disclosure p { max-width: 850px; }

/* ---------- Evaluation / closing / next ---------- */
.evaluation-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--s-8); align-items: center; }
.evaluation-grid .small-print { margin: var(--s-5) 0 0; }
.evaluation-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-4); }
.evaluation-steps li {
  display: flex;
  gap: var(--s-5);
  border: 1px solid var(--line-dark);
  background: rgba(243, 242, 234, 0.05);
  border-radius: var(--r-lg);
  padding: var(--s-5);
}
.evaluation-steps li > span { font-family: var(--serif); font-size: 1.3rem; color: var(--signal); flex-shrink: 0; }
.evaluation-steps strong { font-weight: 600; font-size: 1.1rem; color: var(--bone); }
.evaluation-steps p { font-size: 0.975rem; margin: 6px 0 0; color: var(--on-dark-muted); }

.next-detail {
  padding: var(--s-6) 0;
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
}
.next-detail h2 { font-size: 2rem; margin-bottom: var(--s-3); }
.next-detail p { margin: 0; color: var(--muted); }

.download-row { display: flex; gap: var(--s-5); flex-wrap: wrap; align-items: center; padding-top: var(--s-5); }
.download-row h3 { margin-bottom: 6px; }
.download-row p { margin: 0; color: var(--muted); }
.download-row > div { flex: 1 1 260px; }

/* ---------- Forms / dialogs ---------- */
dialog {
  border: 1px solid var(--rule);
  border-radius: var(--r-xl);
  background: var(--card);
  color: var(--ink);
  padding: var(--s-6);
  width: min(740px, calc(100vw - 32px));
  max-height: 90dvh;
  overflow: auto;
  box-shadow: var(--shadow-xl);
}
dialog::backdrop {
  background: rgba(10, 39, 36, 0.78);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.dialog-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-5);
  margin-bottom: var(--s-5);
}
.dialog-bar .eyebrow { margin: 0; }
.dialog-bar strong { font-size: 1rem; }
.dialog-close {
  background: rgba(231, 235, 221, 0.6);
  border: 1px solid var(--rule);
  border-radius: 50%;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--muted);
  transition: background 0.2s ease, color 0.2s ease;
}
.dialog-close:hover { background: var(--plot); color: var(--ink); }
dialog h2 { font-size: 2.4rem; }
dialog p { font-size: 1rem; }
.agent-detail-block { border-top: 1px solid var(--rule); padding: 18px 0; }
.agent-detail-block h3 { font: 700 0.75rem/1.4 var(--sans); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-text); margin-bottom: 9px; }
.agent-detail-block p { margin: 0; color: var(--muted); }
.image-dialog { width: min(1500px, calc(100vw - 24px)); }
.image-scroll { overflow: auto; border-radius: var(--r-md); }
.image-scroll img { width: 100%; max-width: none; }

/* ---------- Responsive ---------- */
@media (min-width: 1500px) {
  .wrap { width: min(1320px, calc(100% - 96px)); }
}
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .nav { gap: var(--s-5); }
  .desktop-nav { gap: 2px; font-size: 0.9375rem; }
  .section { padding: var(--s-9) 0; }
  .split-heading { gap: var(--s-6); }
  .paths { gap: var(--s-5); }
  .paths h2 { font-size: 1.9rem; }
  .library-shell { grid-template-columns: 250px 1fr; gap: var(--s-5); }
  .agent-card { padding: var(--s-5); }
  .agent-card-top { flex-wrap: wrap; }
  .work-panel { gap: var(--s-5); }
  .tenant-grid, .memory-grid, .evaluation-grid { gap: var(--s-5); }
  .footer-main { gap: var(--s-5); }
}
@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .nav > .button { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
  .split-heading { grid-template-columns: 1fr; gap: var(--s-5); }
  .split-heading > p { max-width: 640px; }
  .work-panel { grid-template-columns: 1fr; }
  .library-shell { grid-template-columns: 1fr; }
  .bundle-nav { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--s-5); align-items: start; }
  .bundle-nav label[for='bundle'], .bundle-nav #bundle, .bundle-nav #bundle-summary,
  .bundle-nav .tag, .bundle-nav .small-print { grid-column: 1; }
  .bundle-nav label[for='agent-search'] { grid-column: 2; grid-row: 1; }
  .bundle-nav #agent-search { grid-column: 2; grid-row: 2; }
  .bundle-nav #agent-count { grid-column: 2; grid-row: 3; }
  .bundle-nav > a { grid-column: 2; grid-row: 4; justify-self: start; }
  .paths { grid-template-columns: 1fr 1fr; }
  .paths > div { grid-column: 1 / -1; }
  .status-grid { grid-template-columns: 1fr 1fr; }
  .faq-grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .evaluation-grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .three-notes { gap: var(--s-5); }
  .footer-main { grid-template-columns: 1fr 2fr; }
  .footer-main > div { grid-column: 1 / -1; grid-template-columns: repeat(3, auto); justify-content: start; gap: var(--s-3) var(--s-5); }
  .tenant-grid { grid-template-columns: 1fr 1fr; }
  .tenant-config, .team-demo { padding: var(--s-5); }
}
@media (max-width: 640px) {
  body { font-size: 1.0125rem; }
  .wrap { width: calc(100% - 40px); }
  .nav { gap: var(--s-3); min-height: 68px; }
  .brand { font-size: 1.45rem; gap: 8px; }
  .brand-mark { width: 32px; height: 32px; }
  .nav > .button { font-size: 0.8125rem; padding: 9px 13px; min-height: 42px; }
  .menu-toggle { font-size: 0.8125rem; padding: 9px 12px; }
  .section { padding: var(--s-8) 0; }
  .compact-top { padding-top: var(--s-7); }
  .eyebrow { margin-bottom: var(--s-4); }
  h2 { font-size: 2.1rem; }
  .actions { gap: var(--s-4); margin: var(--s-5) 0; }
  .button { font-size: 0.9375rem; padding: 13px 20px; }
  .text-link, .underlink { font-size: 0.9375rem; }
  .paths { grid-template-columns: 1fr; padding-top: var(--s-7); padding-bottom: var(--s-7); }
  .paths > div, .paths article { grid-column: 1 / -1; }
  .paths h2 { font-size: 1.85rem; }
  .paths .index { margin-bottom: var(--s-3); }
  .work-copy h3 { font-size: 1.8rem; }
  .artifact-body { padding: var(--s-5) var(--s-5) var(--s-5); }
  .motion-title { left: 15px; bottom: 15px; padding: 12px 15px; }
  .motion-title h4 { font-size: 1.45rem; }
  .artifact-files { grid-template-columns: 1fr; gap: 8px; }
  .artifact-bar { padding: 12px 16px; flex-wrap: wrap; }
  .artifact-table td, .artifact-table th { padding: 12px 12px; font-size: 0.875rem; }
  .timeline { flex-wrap: wrap; }
  .timeline span { min-width: 72px; }
  .bundle-nav { display: block; }
  .bundle-nav #bundle-summary { margin: var(--s-4) 0; }
  .agent-grid { grid-template-columns: 1fr; }
  .agent-card-top { flex-wrap: nowrap; }
  .library-standard { grid-template-columns: 1fr; padding: var(--s-5); gap: var(--s-5); }
  .library-standard a { grid-column: 1; }
  .tenant-grid, .memory-grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .three-notes { grid-template-columns: 1fr; gap: var(--s-5); margin-top: var(--s-5); }
  .boundary-demo { grid-template-columns: 1fr; border-radius: var(--r-lg); }
  .demo-control, .demo-result { padding: var(--s-5); }
  .demo-result h3 { font-size: 1.75rem; }
  .memory-example { padding: var(--s-5); }
  .screen-image-button span { font-size: 0.8125rem; right: 10px; bottom: 10px; padding: 8px 12px; }
  figcaption { display: block; }
  figcaption > span { display: block; margin-top: var(--s-2); }
  .status-grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .architecture-grid { grid-template-columns: 1fr; gap: var(--s-4); }
  .next-detail { display: block; }
  .next-detail .underlink { margin-top: var(--s-4); }
  .capture-table { font-size: 0.9375rem; }
  .capture-table th, .capture-table td { padding: 14px 16px; }
  .download-row { gap: var(--s-4); }
  .footer-main { grid-template-columns: 1fr; gap: var(--s-5); padding-top: var(--s-6); }
  .footer-main > div { grid-template-columns: 1fr 1fr; }
  .footer-main p { margin: 0; }
  .footer-bottom { flex-wrap: wrap; gap: var(--s-3); }
  dialog { padding: var(--s-5); border-radius: var(--r-lg); }
  dialog h2 { font-size: 1.9rem; }
  .image-dialog { padding: var(--s-3); }
  .image-scroll img { min-width: 900px; }
}
@media (max-width: 420px) {
  .nav > .button { display: none; }
  .menu-toggle { margin-left: auto; }
  h1 { font-size: 2.5rem; }
  .actions { display: grid; }
  .button { width: 100%; }
  .agent-card-top { flex-wrap: wrap; }
  .artifact-files { grid-template-columns: 1fr; }
  .selection-counts { gap: var(--s-3); }
  .receipt dl > div { display: block; }
  .receipt dd { text-align: left; margin-top: 2px; }
  .footer-main > div { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .button:hover, .card:hover, .agent-card:hover, .paths article:hover,
  .status-grid article:hover { transform: none; }
}
@media print {
  .menu-toggle, .story-play, .site-header, dialog { display: none !important; }
}