/* ================================================================
   MANNAT AI LABS — "Quiet Lab" design system
   Editorial, restrained. Typography does the work.
   Fonts: Fraunces (display) · Inter (body) · JetBrains Mono (meta)
   ================================================================ */

:root {
  /* Ink + parchment — dark (default) */
  --bg:        #0f0f10;
  --surface:   #161618;
  --ink:       #ece9e2;
  --ink-soft:  #c9c5bb;
  --muted:     #98938a;
  --faint:     #6b675f;
  --accent:    #d4a54c;
  --accent-dim:#a67c2e;
  --rule:      rgba(236, 233, 226, 0.14);
  --rule-soft: rgba(236, 233, 226, 0.07);

  --serif: "Fraunces", Georgia, serif;
  --sans:  "Inter", system-ui, -apple-system, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "Cascadia Code", monospace;

  --w: 66rem;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg:        #faf8f4;
  --surface:   #f1eee7;
  --ink:       #1c1a17;
  --ink-soft:  #3d3a34;
  --muted:     #6b675f;
  --faint:     #98938a;
  --accent:    #9a6c1d;
  --accent-dim:#b8862f;
  --rule:      rgba(28, 26, 23, 0.16);
  --rule-soft: rgba(28, 26, 23, 0.07);
  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg:        #faf8f4;
    --surface:   #f1eee7;
    --ink:       #1c1a17;
    --ink-soft:  #3d3a34;
    --muted:     #6b675f;
    --faint:     #98938a;
    --accent:    #9a6c1d;
    --accent-dim:#b8862f;
    --rule:      rgba(28, 26, 23, 0.16);
    --rule-soft: rgba(28, 26, 23, 0.07);
    color-scheme: light;
  }
}

/* ---------------- Base ---------------- */

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: var(--bg); }

.container {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.rule { border: 0; border-top: 1px solid var(--rule); }

/* ---------------- Masthead ---------------- */

.masthead {
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--rule-soft);
}

.masthead-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.wordmark span { color: var(--accent); }

.site-nav {
  display: flex;
  align-items: baseline;
  gap: 1.6rem;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }

.theme-toggle {
  background: none;
  border: 1px solid var(--rule);
  border-radius: 99px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.7rem;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--muted); }

/* ---------------- Hero ---------------- */

.hero { padding: 6.5rem 0 5rem; }

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  max-width: 20ch;
  margin: 1.1rem 0 1.6rem;
}

.hero .dek {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 1.4rem;
}

.hero .context {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.hero .context b { color: var(--ink-soft); font-weight: 500; }

.hero-links { margin-top: 2.6rem; display: flex; gap: 2rem; flex-wrap: wrap; }

.arrow-link {
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.15rem;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.arrow-link::after { content: " →"; color: var(--accent); }
.arrow-link:hover { border-color: var(--accent); }

/* ---------------- Section scaffolding ---------------- */

.section { padding: 4.5rem 0; border-top: 1px solid var(--rule-soft); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.8rem;
  flex-wrap: wrap;
}

.section-head h2 { font-size: 1.9rem; }

.section-head .aside {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--faint);
  letter-spacing: 0.08em;
}

/* ---------------- Work index ---------------- */

.work-list { list-style: none; }

.work-row {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 1.4rem;
  align-items: baseline;
  padding: 1.55rem 0;
  border-top: 1px solid var(--rule-soft);
  text-decoration: none;
  transition: background 0.15s ease;
}
.work-list li:last-child .work-row { border-bottom: 1px solid var(--rule-soft); }

.work-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--faint);
}

.work-main h3 {
  display: inline;
  font-size: 1.45rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
.work-row:hover .work-main h3 { border-color: var(--accent); }

.work-main .work-desc {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 52ch;
}

.work-side {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.chip {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.22rem 0.6rem;
  border-radius: 99px;
  border: 1px solid var(--rule);
  color: var(--muted);
  white-space: nowrap;
}
.chip-live  { color: var(--accent); border-color: var(--accent-dim); }

.work-more {
  margin-top: 1.6rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.work-more a { color: var(--ink-soft); }

/* ---------------- Research / writing list ---------------- */

.pub-list { list-style: none; }

.pub-row {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.4rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--rule-soft);
}
.pub-list li:last-child .pub-row { border-bottom: 1px solid var(--rule-soft); }

.pub-year {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--faint);
  padding-top: 0.3rem;
}

.pub-body h3 { font-size: 1.15rem; margin-bottom: 0.3rem; font-family: var(--sans); font-weight: 600; letter-spacing: 0; }
.pub-body .venue { font-size: 0.9rem; color: var(--muted); margin-bottom: 0.35rem; }
.pub-body .venue em { color: var(--accent); font-style: normal; }
.pub-links-row { display: flex; gap: 1.4rem; margin-top: 0.45rem; flex-wrap: wrap; }
.pub-links-row a {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.15s ease;
}
.pub-links-row a:hover { border-color: var(--accent); }

/* ---------------- About ---------------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 4rem;
}

.about-prose p { margin-bottom: 1.15rem; color: var(--ink-soft); }
.about-prose p:last-child { margin-bottom: 0; }
.about-prose strong { color: var(--ink); font-weight: 600; }

.facts { font-size: 0.9rem; }
.facts dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--faint);
  margin-top: 1.3rem;
}
.facts dt:first-child { margin-top: 0; }
.facts dd { color: var(--ink-soft); margin-top: 0.3rem; line-height: 1.55; }

/* ---------------- Contact / footer ---------------- */

.contact .big-link {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.3rem;
  margin-bottom: 1.6rem;
  max-width: max-content;
  transition: border-color 0.2s ease;
}
.contact .big-link:hover { border-color: var(--accent); }

.contact-row { display: flex; gap: 2rem; flex-wrap: wrap; }

.footer {
  border-top: 1px solid var(--rule-soft);
  padding: 2.2rem 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
}
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--ink); }

/* ---------------- Case-study pages ---------------- */

.case-hero { padding: 4.5rem 0 3rem; }

.crumb {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: none;
}
.crumb:hover { color: var(--ink); }

.case-hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  margin: 1.2rem 0 1rem;
}

.case-hero .dek {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 52ch;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1.6rem;
  padding: 1.8rem 0;
  margin-top: 2.6rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule-soft);
}

.case-meta dt {
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--faint);
  margin-bottom: 0.4rem;
}
.case-meta dd { font-size: 0.92rem; color: var(--ink-soft); }
.case-meta dd a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}
.case-meta dd a:hover { border-color: var(--accent); }
.case-meta dd a + a { margin-left: 0.9rem; }

.prose { max-width: 46rem; padding: 3rem 0 1rem; }

.prose h2 {
  font-size: 1.55rem;
  margin: 2.6rem 0 1rem;
}
.prose h2:first-child { margin-top: 0; }

.prose p { margin-bottom: 1.15rem; color: var(--ink-soft); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { color: var(--ink); }

.prose ul { margin: 0 0 1.15rem 1.1rem; color: var(--ink-soft); }
.prose li { margin-bottom: 0.5rem; padding-left: 0.3rem; }
.prose li::marker { color: var(--accent); }

.prose code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}

.callout {
  border-left: 2px solid var(--accent);
  background: var(--surface);
  padding: 1.1rem 1.4rem;
  margin: 1.6rem 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
  border-radius: 0 6px 6px 0;
}

/* Prev / next pagination */

.case-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2.4rem 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--rule);
}
.case-pager a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 45%;
}
.case-pager a b {
  display: block;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  margin-top: 0.2rem;
}
.case-pager a:hover b { color: var(--accent); }
.case-pager .next { text-align: right; margin-left: auto; }

/* ---------------- Responsive ---------------- */

@media (max-width: 760px) {
  .hero { padding: 4rem 0 3.5rem; }
  .site-nav { gap: 1.1rem; }
  .work-row { grid-template-columns: 1fr; gap: 0.45rem; padding: 1.3rem 0; }
  .work-num { display: none; }
  .work-side { gap: 0.8rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .pub-row { grid-template-columns: 1fr; gap: 0.3rem; }
  .section { padding: 3.2rem 0; }
}

/* ---------------- Hero photo ---------------- */

.hero-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-photo {
  justify-self: end;
  max-width: 19rem;
  width: 100%;
}

.hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--rule);
  filter: saturate(0.92);
  box-shadow: 0 1px 0 var(--rule-soft), 0 18px 45px -18px rgba(0, 0, 0, 0.55);
}

[data-theme="light"] .hero-photo img { box-shadow: 0 18px 45px -22px rgba(28, 26, 23, 0.35); }

.hero-photo figcaption {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
  border-top: 1px solid var(--rule-soft);
  padding-top: 0.55rem;
}

.mono-cap {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}

.hero .dek strong { color: var(--ink); font-weight: 600; }

/* ---------------- Experience timeline ---------------- */

.xp-list { list-style: none; }

.xp-row {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 2.2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--rule-soft);
}
.xp-list li:last-child { border-bottom: 1px solid var(--rule-soft); }

.xp-when { padding-top: 0.35rem; }

.xp-years {
  display: block;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.xp-place {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--faint);
  letter-spacing: 0.04em;
}

.xp-body h3 { font-size: 1.3rem; }

.xp-org {
  margin-top: 0.35rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.xp-body ul {
  margin: 0.9rem 0 0 1.05rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.xp-body li { margin-bottom: 0.5rem; padding-left: 0.25rem; }
.xp-body li::marker { color: var(--accent); }
.xp-body strong { color: var(--ink); font-weight: 600; }
.xp-body a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); }
.xp-body a:hover { border-color: var(--accent); }

/* ---------------- Core competencies ---------------- */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}

.skill-group {
  background: var(--bg);
  padding: 1.5rem 1.4rem 1.6rem;
}

.skill-group h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.skill-group ul { list-style: none; }
.skill-group li {
  font-size: 0.9rem;
  color: var(--ink-soft);
  padding: 0.32rem 0;
  border-top: 1px solid var(--rule-soft);
}
.skill-group li:first-child { border-top: 0; }

/* ---------------- Operating principles ---------------- */

.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-soft);
  border-left: 1px solid var(--rule-soft);
}

.principle {
  padding: 1.8rem 1.7rem 2rem;
  border-right: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.principle dt {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.65rem;
}
.principle dt::before {
  content: "— ";
  color: var(--accent);
}

.principle dd {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.principle dd em { color: var(--ink); }

/* ---------------- Working together ---------------- */

.engage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.engage-card {
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  border-radius: 8px;
  padding: 1.6rem 1.5rem 1.7rem;
}

.engage-card h3 {
  font-size: 1.18rem;
  margin-bottom: 0.7rem;
}

.engage-card p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted);
}
.engage-card a { color: var(--ink-soft); }

.contact-note {
  font-size: 1.02rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: -1.4rem 0 2.2rem;
}

/* ---------------- About sub-blocks ---------------- */

.sub-head {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 3.2rem 0 0.4rem;
}

.edu-list .pub-body h3 { font-size: 1.02rem; }
.edu-list .pub-row { padding: 1rem 0; }

/* ---------------- New-section responsive ---------------- */

@media (max-width: 860px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .engage-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .principles { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .hero-photo { justify-self: start; max-width: 15rem; grid-row: 1; }
  .xp-row { grid-template-columns: 1fr; gap: 0.7rem; padding: 1.6rem 0; }
  .xp-when { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; padding-top: 0; }
  .xp-place { margin-top: 0; }
}

@media (max-width: 540px) {
  .skills-grid { grid-template-columns: 1fr; }
}

/* ---------------- Contact form ---------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3.5rem;
  align-items: start;
}
.contact-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1.2rem;
}
.big-link-alt { font-size: clamp(1.2rem, 3vw, 1.7rem); }
.contact-form { display: grid; gap: 0.4rem; }
.contact-form label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 0.9rem;
}
.contact-form input,
.contact-form textarea {
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.65rem 0.8rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.95rem;
  width: 100%;
  box-sizing: border-box;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-send {
  margin-top: 1.2rem;
  justify-self: start;
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.65rem 1.4rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.form-send:hover { background: var(--accent); color: var(--bg, #0f0f10); }
.form-hint {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  margin-top: 0.7rem;
  line-height: 1.5;
}
.form-msg {
  font-family: var(--mono);
  font-size: 0.78rem;
  margin-top: 0.7rem;
  line-height: 1.5;
  min-height: 1.2em;
}
.form-msg.ok { color: var(--accent); }
.form-msg.err { color: #c0564a; }

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2.6rem; }
}

/* ---------- The Agent Org ---------- */
.org-intro {
  max-width: 46rem;
  color: var(--ink-soft);
  margin-bottom: 3rem;
}
.org-tree { position: relative; }
.org-root { display: flex; justify-content: center; }
.org-root .org-node { max-width: 22rem; text-align: center; }
.org-human {
  border: 1px solid var(--accent);
  background: var(--surface);
}
.org-human strong { font-family: var(--serif); font-size: 1.15rem; }
.org-tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 0.35rem;
}
.org-duty { display: block; font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; }
/* connectors: stem below root, bar across, stems into each branch */
.org-root::after {
  content: "";
  display: block;
  position: absolute;
  left: 50%;
  width: 1px;
  height: 2.2rem;
  background: var(--rule);
}
.org-root { position: relative; padding-bottom: 2.2rem; }
.org-branches {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  padding-top: 2.2rem;
}
.org-branches::before {
  content: "";
  position: absolute;
  top: 0;
  left: 25%;
  right: 25%;
  border-top: 1px solid var(--rule);
}
.org-branch { position: relative; }
.org-branch::before {
  content: "";
  position: absolute;
  top: -2.2rem;
  left: 50%;
  width: 1px;
  height: 2.2rem;
  background: var(--rule);
}
.org-branch-title {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: center;
  border: 1px solid var(--rule);
  padding: 0.6rem 1rem;
  margin-bottom: 1.6rem;
}
.org-branch-title span {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  margin-left: 0.5rem;
}
.org-cluster { margin-bottom: 1.6rem; }
.org-cluster h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.8rem;
}
.org-ro {
  color: var(--accent);
  border: 1px solid var(--rule);
  padding: 0.1rem 0.4rem;
  margin-left: 0.4rem;
}
.org-nodes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.org-node {
  border: 1px solid var(--rule);
  padding: 0.7rem 0.85rem;
  transition: border-color 0.2s ease;
}
li.org-node:hover { border-color: var(--accent-dim); }
.org-nodes .org-node strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}
.org-nodes .org-node span {
  display: block;
  font-size: 0.74rem;
  color: var(--muted);
  margin-top: 0.2rem;
  line-height: 1.45;
}
.org-note {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
  margin-top: 2.2rem;
  text-align: center;
}
@media (max-width: 760px) {
  .org-branches { grid-template-columns: 1fr; gap: 2rem; padding-top: 0; }
  .org-branches::before, .org-branch::before, .org-root::after { display: none; }
  .org-root { padding-bottom: 1.6rem; }
  .org-nodes { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Agent Org avatars */
.org-nodes .org-node { display: flex; align-items: flex-start; gap: 0.65rem; }
.org-avatar { width: 26px; height: 26px; flex: none; color: var(--accent-dim); margin-top: 0.1rem; transition: color 0.2s ease; }
li.org-node:hover .org-avatar { color: var(--accent); }
.org-txt { min-width: 0; }
.org-photo {
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 0.6rem;
  border: 1px solid var(--rule);
}