/* ============================================================
   AgingBench companion site
   Design tone: minimal academic. Inspired by recursivemas.github.io.
   Palette: ink on cream, with mechanism accents.
   ============================================================ */

:root {
  --ink:        #0f1419;
  --ink-soft:   #2d3540;
  --muted:      #6b7280;
  --line:       #e5e7eb;
  --bg:         #fdfcf8;
  --bg-soft:    #f5f3ec;
  --accent:     #b54a2b;       /* warm rust, the "aging" tone */
  --accent-soft:#f6e9e1;

  /* mechanism colors */
  --m-compression:  #c98a3b;   /* amber */
  --m-interference: #8554a8;   /* violet */
  --m-revision:     #2c7a8a;   /* teal */
  --m-maintenance:  #b54a2b;   /* rust */

  --serif: "Crimson Pro", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;

  --radius:     8px;
  --radius-lg:  14px;
  --shadow-sm:  0 1px 2px rgba(15, 20, 25, 0.04);
  --shadow-md:  0 6px 20px rgba(15, 20, 25, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}
a:hover { border-bottom-color: var(--accent); }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}
.container.narrow { max-width: 760px; }
.container.container-wide { max-width: 1400px; }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 252, 248, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 60px;
}
.brand {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
  border-bottom: none;
  letter-spacing: -0.01em;
}
.brand-mark { margin-right: 4px; }

.top-nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
  font-weight: 500;
}
.top-nav a {
  color: var(--ink-soft);
  border-bottom: none;
}
.top-nav a:hover { color: var(--accent); }

.resource-buttons { display: flex; gap: 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.btn:hover {
  background: var(--ink);
  color: var(--bg);
  border-bottom-color: var(--ink);
}
.btn-disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  border-style: dashed;
}

/* ============ Hero ============ */
.hero {
  padding: 72px 0 36px;
  text-align: center;
}
.venue-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 5.5vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--accent);
}
.hero-title .accent { color: var(--ink); }
.hero-tagline {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 720px;
  margin: 0 auto 32px;
}
.authors {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  line-height: 1.9;
}
.authors .sep { margin: 0 8px; color: var(--muted); }
.authors sup { color: var(--accent); }
.affiliation {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}
.affiliation .muted sup { color: var(--accent); }

/* ============ Authors / affiliations (recursivemas-style) ============
   Typography ported from recursivemas.github.io's .pub-authors / .pub-affil:
   centred linked names separated by commas, with line-height: 1.9 for
   easy multi-line reading and superscript markers in the page accent.
   Existing .authors / .affiliation rules above are left untouched. */
.pub-authors {
  margin: 1.4rem auto 0.5rem;
  max-width: 940px;
  line-height: 1.9;
  color: var(--ink-soft);
  font-size: 15.5px;
  text-align: center;
}
.pub-authors a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 0.2s ease, border-bottom-color 0.2s ease;
}
.pub-authors a:hover {
  color: #8a3520;
  border-bottom-color: #8a3520;
}
.pub-authors sup {
  color: var(--accent);
  font-weight: 600;
  margin-left: 1px;
}
.pub-affil {
  color: var(--muted);
  font-size: 14.5px;
  margin: 0 auto;
  max-width: 760px;
  text-align: center;
  line-height: 1.6;
}
.pub-affil .corr {
  color: var(--muted);
  font-size: 13px;
  margin-top: 6px;
}
.pub-affil sup { color: var(--accent); }

/* ============ Abstract box (recursivemas-style) ============
   Tinted-paper card with a corner TL;DR badge in the site's warm-rust →
   amber gradient. Highlight-pill spans tint key terms in their mechanism
   colour — the four aging mechanisms each get their own tint matching
   the --m-* tokens defined in :root. */
.abstract-box {
  background: var(--bg);
  border: 1px solid var(--accent-soft);
  border-radius: 22px;
  padding: 2rem 2.2rem 1.6rem;
  box-shadow: 0 10px 30px rgba(181, 74, 43, 0.06);
  position: relative;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.abstract-box::before {
  content: "TL;DR";
  position: absolute;
  top: -12px;
  left: 22px;
  background: linear-gradient(120deg, var(--accent), #f4a261);
  color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  box-shadow: 0 3px 10px rgba(181, 74, 43, 0.20);
}
.abstract-box p {
  color: var(--ink);
  line-height: 1.75;
  margin-bottom: 0.9rem;
  font-size: 15.5px;
}
.abstract-box p:last-child { margin-bottom: 0; }

.highlight-pill {
  display: inline-block;
  padding: 0.05rem 0.55rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.95em;
  font-variant-numeric: tabular-nums;
}
.highlight-pill.compression  { background: rgba(201, 138, 59, 0.18); color: #8b5a1f; }
.highlight-pill.interference { background: rgba(133, 84, 168, 0.16); color: #5b378a; }
.highlight-pill.revision     { background: rgba(44, 122, 138, 0.16); color: #1f5560; }
.highlight-pill.maintenance  { background: rgba(181, 74, 43, 0.18);  color: #8a3520; }

/* ============ KPI banner ============ */
.kpi-banner {
  background: var(--ink);
  color: var(--bg);
  padding: 32px 0;
  margin: 32px 0 0;
}
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.kpi-value {
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--bg);
}
.kpi-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(253, 252, 248, 0.7);
  margin-top: 8px;
}

/* ============ Hero metric cards (mirrors .finding-callout palette) ============
   Ported from splash-edits-2026-05-15 to replace the former .kpi-banner
   section. Same warm-rust palette as the big-number finding callout further
   down the page; serif numerals; gradient text fill rust → amber. */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 0;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
@media (max-width: 768px) {
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
}
.hero-metric-card {
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--radius-lg);
  padding: 22px 18px 20px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(15, 20, 25, 0.10);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-metric-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(15, 20, 25, 0.18);
}
.hero-metric-num {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, var(--accent) 0%, #f4a261 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  display: inline-block;
}
.hero-metric-label {
  color: rgba(253, 252, 248, 0.78);
  font-size: 12.5px;
  font-weight: 500;
  margin-top: 8px;
  line-height: 1.4;
}

/* ============ Sections ============ */
.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
}
.section.bg-soft { background: var(--bg-soft); }
/* Inline rust highlight — matches the hero h1 base color so a keyword
   in a section-title visually echoes "Check your agent's" in the hero. */
.rust { color: var(--accent); }
.section-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 38px);
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--ink);
}
/* On the landing page, only the Abstract title is centred (handled by
   its parent <div style="text-align:center"> wrapper). All other
   sections after the abstract use the default left alignment. */
.section-lead {
  font-size: 18px;
  color: var(--ink-soft);
  /* No max-width: let .container (1080) / .container.narrow (760) bound it. */
  margin: 0 0 36px;
}
.subsection {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}

/* ============ Demo widget ============ */
.demo-widget {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.demo-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.demo-tab {
  border: none;
  background: transparent;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 18px 12px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.demo-tab:hover { background: rgba(0, 0, 0, 0.03); color: var(--ink); }
.demo-tab.active {
  color: var(--ink);
  background: #fff;
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.demo-panel { display: none; padding: 32px; }
.demo-panel.active { display: block; }

.panel-header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.scenario-pill, .mechanism-pill {
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.scenario-pill {
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.mechanism-pill { color: #fff; }
.mech-compression  { background: var(--m-compression); }
.mech-interference { background: var(--m-interference); }
.mech-revision     { background: var(--m-revision); }
.mech-maintenance  { background: var(--m-maintenance); }

.panel-body { display: grid; gap: 20px; }

.probe-source {
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--muted);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin: 0;
  line-height: 1.55;
}
.probe-source code {
  font-family: var(--mono);
  font-size: 12px;
  background: rgba(0, 0, 0, 0.04);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--ink);
}

.code-snippet {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  background: #1f242b;
  color: #f1f3f5;
  padding: 12px 14px;
  border-radius: 6px;
  margin: 4px 0 6px;
  overflow-x: auto;
  white-space: pre;
  border: none;
}

.trace-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.trace-col {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--bg);
}
.trace-day {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 12px;
}
.trace-bubble {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.55;
}
.trace-bubble.user {
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.trace-bubble.user::before {
  content: "User · ";
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.trace-bubble.agent {
  background: #fff;
  border: 1px solid var(--line);
}
.trace-bubble.agent::before {
  content: "Agent · ";
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.trace-bubble.correct { border-left: 3px solid #2c8a4f; }
.trace-bubble.wrong   { border-left: 3px solid #b54a2b; background: #fef7f3; }
.tick  { color: #2c8a4f; font-weight: 600; }
.cross { color: #b54a2b; font-weight: 600; }

.ground-truth {
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: var(--radius);
}
.gt-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--accent);
}
.why-ages {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.65;
  border-top: 1px dashed var(--line);
  padding-top: 16px;
}

.inline-plot {
  text-align: center;
  border-top: 1px dashed var(--line);
  padding-top: 16px;
}
.inline-plot img {
  max-height: 280px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.plot-caption {
  font-size: 13px;
  color: var(--muted);
  margin: 10px 0 0;
}

/* ledger (Tab 3) */
.ledger {
  font-family: var(--mono);
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  overflow: hidden;
}
.ledger-row {
  display: grid;
  grid-template-columns: 110px 1fr 220px;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.ledger-row:last-child { border-bottom: none; }
.ledger-row .day { color: var(--muted); }
.ledger-row .op  { color: var(--ink-soft); }
.ledger-row .bal { color: var(--ink); text-align: right; }
.ledger-row .bal.correct { color: #2c8a4f; }
.ledger-row .bal.wrong   { color: #b54a2b; font-weight: 600; }
.ledger-row.dim { opacity: 0.5; }
.ledger-row.missed {
  background: #fef7f3;
  border-left: 3px solid var(--m-revision);
}
.ledger-row.missed .warn { color: var(--accent); font-weight: 600; }
.ledger-row.finale {
  background: var(--accent-soft);
  font-weight: 500;
  font-size: 15px;
}

/* ============ Mechanisms grid ============ */
.mech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 40px;
}
.mech-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.mech-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.mech-card.mech-compression  { border-top: 4px solid var(--m-compression); }
.mech-card.mech-interference { border-top: 4px solid var(--m-interference); }
.mech-card.mech-revision     { border-top: 4px solid var(--m-revision); }
.mech-card.mech-maintenance  { border-top: 4px solid var(--m-maintenance); }
.mech-num {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1;
  margin-bottom: 4px;
}
.mech-card h3 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.mech-card p { font-size: 15px; color: var(--ink-soft); margin: 0; line-height: 1.6; }

/* ============ Figures ============ */
.figure {
  margin: 24px 0;
  padding: 0;
  text-align: center;
}
.figure.narrow img { max-width: 720px; margin: 0 auto; }
.figure img {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  margin: 0 auto;
}
.figure figcaption {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  font-style: italic;
}

.design-grid {
  display: grid;
  gap: 32px;
}

/* ============ Scenarios grid ============ */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.scenario-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  transition: transform 0.15s, box-shadow 0.15s;
}
.scenario-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.scenario-card.highlight { border: 1px solid var(--accent); background: var(--accent-soft); }
.scen-id {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.scenario-card h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.scenario-card p { font-size: 14px; color: var(--ink-soft); margin: 0 0 8px; line-height: 1.55; }
.scen-metric {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px !important;
}

/* ============ Attribution flow ============ */
.attr-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin: 32px 0;
}
.attr-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}
.attr-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--serif);
  font-weight: 700;
  margin-bottom: 12px;
}
.attr-step h4 {
  font-family: var(--serif);
  font-size: 18px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.attr-step p { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.55; }
.attr-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  line-height: 1;
}
.attr-arrow::before {
  content: "→";
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  display: inline-block;
}

/* ============ Findings list ============ */
.findings-list {
  list-style: none;
  counter-reset: finding;
  padding: 0;
  margin: 0;
}
.findings-list li {
  counter-increment: finding;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px 26px 22px 70px;
  margin-bottom: 14px;
  position: relative;
}
.findings-list li::before {
  content: counter(finding);
  position: absolute;
  left: 22px;
  top: 22px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 28px;
  color: var(--accent);
  line-height: 1;
}
.findings-list h4 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.findings-list p { font-size: 15px; color: var(--ink-soft); margin: 0; line-height: 1.6; }

/* ============ Results: tables ============ */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
  margin: 18px 0 8px;
}
.results-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13.5px;
  min-width: 880px;
}
.results-table thead th {
  background: var(--bg-soft);
  color: var(--ink);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  white-space: nowrap;
}
.results-table thead tr:first-child th[colspan] {
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
}
.results-table thead th[rowspan] { text-align: left; vertical-align: middle; }
.results-table thead th abbr {
  border-bottom: 1px dotted var(--muted);
  text-decoration: none;
  cursor: help;
}
.results-table tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid #f0eee7;
  text-align: center;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
}
.results-table tbody td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--ink);
}
.results-table tbody td:nth-child(2) {
  text-align: left;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.results-table tbody tr:hover { background: var(--bg); }
.results-table tbody tr.row-divider td {
  background: var(--bg-soft);
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  padding: 6px 12px;
  border-bottom: 1px solid var(--line);
}
.results-table tbody tr.row-divider td em { font-style: italic; }
.results-table tbody td strong { color: var(--accent); font-weight: 700; }
.results-table th.grp-c { background: #f7ecdc; color: #8b5a1f; }
.results-table th.grp-i { background: #efe6f4; color: #5e3878; }
.results-table th.grp-r { background: #e1edf0; color: #1f5663; }
.results-table th.grp-m { background: #f6e9e1; color: #8b3015; }
.table-note {
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
  margin: 0 4px 24px;
  line-height: 1.55;
}

/* ============ Leaderboard ============ */
.hero-tight { padding-top: 64px; padding-bottom: 24px; }
.nav-active { color: var(--accent) !important; font-weight: 600; }
.leaderboard-table { min-width: 1040px; }
.leaderboard-table th.lb-rank,
.leaderboard-table td.lb-rank {
  width: 36px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  text-align: center;
}
.leaderboard-table tbody td.lb-rank { font-weight: 600; color: var(--ink-soft); }
.leaderboard-table tbody td.lb-agent { font-weight: 600; color: var(--ink); text-align: left; }
.leaderboard-table tbody td.lb-model {
  text-align: left;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
}
.leaderboard-table tbody td.lb-org {
  text-align: left;
  font-size: 12.5px;
  color: var(--muted);
}
.leaderboard-table th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  transition: background 0.12s;
}
.leaderboard-table th.sortable:hover { background: var(--bg); }
.leaderboard-table th.sortable.sort-asc::after,
.leaderboard-table th.sortable.sort-desc::after,
.leaderboard-table th.sortable.sort-abs::after {
  content: "";
  display: inline-block;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  vertical-align: middle;
}
.leaderboard-table th.sortable.sort-asc::after { border-bottom: 5px solid var(--accent); }
.leaderboard-table th.sortable.sort-desc::after { border-top: 5px solid var(--accent); }
.leaderboard-table th.sortable.sort-abs::after {
  content: "≈";
  border: none;
  color: var(--accent);
  font-weight: 700;
  margin-left: 4px;
}
.leaderboard-table tbody td.lb-leader strong { color: var(--accent); }
.code-block {
  background: var(--ink);
  color: var(--bg);
  padding: 16px 20px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  margin: 14px 0 18px;
}
.code-block code { color: var(--bg); white-space: pre; }
.muted-line { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 8px 0; }
.submit-steps { padding-left: 22px; line-height: 1.7; color: var(--ink-soft); }
.submit-steps li { margin-bottom: 10px; }
.lb-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  margin: 14px 0 8px;
}
.lb-cta p { margin: 0; color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }
.lb-cta .btn { white-space: nowrap; }
.lb-subhead {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  margin: 28px 0 8px;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.lb-tag {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: rgba(181, 74, 43, 0.10);
  padding: 2px 8px;
  border-radius: 999px;
}

/* ============ Temporary dev note (REMOVE before public launch) ============ */
.dev-note {
  background: repeating-linear-gradient(
    45deg,
    #fff7e6,
    #fff7e6 12px,
    #fdebbf 12px,
    #fdebbf 24px
  );
  border-top: 4px solid #d29922;
  border-bottom: 4px solid #d29922;
  padding: 32px 0;
  margin: 0;
  color: #4a3a06;
}
.dev-note-tag {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8a5a00;
  background: #fff;
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid #d29922;
  border-radius: 4px;
  margin-bottom: 14px;
}
.dev-note-title {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 12px;
  color: #2d2400;
}
.dev-note p {
  font-size: 15px;
  line-height: 1.65;
  margin: 0 0 14px;
}
.dev-note-list {
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
}
.dev-note-list li { margin-bottom: 10px; }
.dev-note-list code {
  background: #fff;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12.5px;
}
.dev-note-footer {
  font-style: italic;
  color: #6a5a1a;
  font-size: 13.5px;
  margin-top: 14px;
}
.dev-note-sub {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: #2d2400;
  margin: 22px 0 10px;
}
/* second-note variant: same yellow stripes but shifted hue so the two blocks
   read as parallel rather than identical, and the 4px borders separate them. */
.dev-note-alt {
  background: repeating-linear-gradient(
    -45deg,
    #fff4d8,
    #fff4d8 12px,
    #fce0a3 12px,
    #fce0a3 24px
  );
  border-top: 4px solid #b97a13;
  border-bottom: 4px solid #b97a13;
}
.dev-note-alt .dev-note-tag {
  border-color: #b97a13;
  color: #6e4500;
}

/* ============ Results: composite figures ============ */
.figure-composite {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 24px 0;
}
.figure-composite img {
  border: none;
  width: 100%;
  height: auto;
}
.composite-grid { display: grid; gap: 12px; }
.composite-grid.grid-2x2 { grid-template-columns: 1fr 1fr; }
.composite-grid.grid-2col { grid-template-columns: 1fr 1fr; }
.figure-composite figcaption {
  margin-top: 14px;
  text-align: left;
  max-width: none;
  font-style: normal;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.figure-composite figcaption strong {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  margin-right: 2px;
}

/* ============ Citation ============ */
.bibtex {
  background: var(--ink);
  color: var(--bg);
  padding: 22px 24px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  margin: 0 0 16px;
}
.bibtex code { color: var(--bg); white-space: pre; }
.copy-btn { font-family: var(--sans); }

/* ============ Metric tooltips ============ */
.metric {
  cursor: help;
  border-bottom: 1px dotted currentColor;
  transition: background 0.12s;
  outline: none;
}
.metric:hover, .metric:focus {
  background: rgba(181, 74, 43, 0.08);
  border-bottom-style: solid;
}
.results-table th .metric { display: inline-block; padding: 0 2px; }
.scen-metric .metric { color: inherit; }

.metric-tooltip {
  position: absolute;
  z-index: 200;
  width: 360px;
  max-width: calc(100vw - 24px);
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(15, 20, 25, 0.18);
  padding: 16px 18px;
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.55;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.12s, transform 0.12s;
}
.metric-tooltip.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.metric-tooltip .mt-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}
.metric-tooltip .mt-name {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
}
.metric-tooltip .mt-arrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}
.metric-tooltip .mt-arrow.up { color: #2c8a4f; }
.metric-tooltip .mt-arrow.down { color: #b54a2b; }
.metric-tooltip .mt-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.metric-tooltip .mt-tag {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.metric-tooltip .mt-tag.mt-mech {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: transparent;
}
.metric-tooltip .mt-formula {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg-soft);
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
  white-space: nowrap;
  overflow-x: auto;
}
.metric-tooltip .mt-formula code { color: var(--ink); background: transparent; padding: 0; }
.metric-tooltip .mt-desc {
  margin: 0 0 10px;
  color: var(--ink-soft);
}
.metric-tooltip .mt-example {
  font-size: 13px;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
  line-height: 1.55;
}
.metric-tooltip .mt-example-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  font-weight: 600;
  margin-right: 4px;
}

@media (max-width: 600px) {
  .metric-tooltip { width: calc(100vw - 24px); }
}

/* ============ Footer ============ */
.site-footer {
  padding: 40px 0 50px;
  text-align: center;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.site-footer p { margin: 4px 0; color: var(--ink-soft); font-size: 14px; }
.site-footer .muted { color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }

/* ============================================================
   v0.3 additions: status pills, release modes, slot cards,
   integration tiles, track tabs, cost table, CTA grid.
   ============================================================ */

/* status pills (Ready / Beta / Planned) */
.status {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: middle;
  margin-left: 6px;
}
.status.ready   { background: #e6f4ec; color: #1f6a3a; border: 1px solid #c6e3d2; }
.status.beta    { background: #fff4d8; color: #8a5a00; border: 1px solid #f0d99a; }
.status.planned { background: var(--bg-soft); color: var(--muted); border: 1px solid var(--line); }

/* nav-active marker, used on every page */
.top-nav a.nav-active { color: var(--accent); font-weight: 600; }

/* version badge in header */
.version-badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
}

/* big 3-CTA panel on landing */
.cta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 20px 0 0;
}

/* ─── Hero/section figures (intuition + evidence) ─── */
.intuition-figure,
.evidence-figure {
  margin: 32px 0 0;
  padding: 0;
}
.intuition-figure img,
.evidence-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  cursor: zoom-in;
}
.intuition-figure figcaption,
.evidence-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 880px;
}
.evidence-figure { margin-bottom: 26px; }
.cta-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cta-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  border-bottom-color: var(--accent);
}
.cta-card .cta-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.cta-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.cta-card p { font-size: 14px; color: var(--ink-soft); margin: 4px 0 0; line-height: 1.55; }
.cta-card .cta-arrow { color: var(--accent); font-weight: 600; font-size: 14px; margin-top: 8px; }

/* ─── Multi-link CTA card (Run AgingBench): outer <div>, inner <a>s ─── */
/* Keep the whole-card hover-lift (matches sibling cards) and also colour
   the title on hover. The inline Telemetry pill has its own hover state
   so it still reads as a distinct click target. */
.cta-card-multi:hover .cta-card-main h3 { color: var(--accent); }
.cta-card-main {
  text-decoration: none;
  color: inherit;
  display: block;
}
.cta-card-main h3 { transition: color 0.15s; }
.cta-inline-pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 999px;
  text-decoration: none;
  margin: 0 1px;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
}
.cta-inline-pill:hover {
  background: var(--accent);
  color: #fff;
}

/* big-number finding callout */
.finding-callout {
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  margin: 28px 0 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}
.finding-number {
  font-family: var(--serif);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.finding-number .vs {
  font-size: 18px;
  color: rgba(253, 252, 248, 0.5);
  font-weight: 400;
  display: block;
  margin-top: 4px;
}
.finding-body h3 {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0 0 6px;
  color: var(--bg);
  letter-spacing: -0.01em;
}
.finding-body p {
  margin: 0;
  font-size: 15px;
  color: rgba(253, 252, 248, 0.85);
  line-height: 1.6;
}

/* release-mode card row (Lite / Full / Telemetry) */
.mode-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 12px 0 24px;
}
.mode-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;   /* allow grid item to shrink so <pre> doesn't blow out the row */
}
.mode-card.accent { border-top: 4px solid var(--accent); }
.mode-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0;
  letter-spacing: -0.01em;
}
.mode-card .mode-line { font-size: 14px; color: var(--ink-soft); margin: 0; line-height: 1.55; }
.mode-card .mode-cost {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-top: 4px;
  align-self: flex-start;
}
.mode-card .mode-install {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg-soft);
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  overflow-x: auto;
  white-space: pre;
  margin-top: auto;
}

/* cost table (compact, no scroll wrapper) */
.cost-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 14px;
  margin: 14px 0 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.cost-table thead th {
  background: var(--bg-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.cost-table thead th:not(:first-child) { text-align: right; }
.cost-table tbody td {
  padding: 8px 14px;
  border-bottom: 1px solid #f0eee7;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.cost-table tbody td:first-child { color: var(--ink); font-weight: 500; }
.cost-table tbody td:not(:first-child) { text-align: right; }
.cost-table tbody tr:last-child td { border-bottom: none; }
.cost-table tbody tr.row-total td {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--ink);
}

/* plug-and-play track cards (slot A/B/C/D/E) */
.slot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 16px 0;
}
.slot-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 18px;
  align-items: start;
}
.slot-letter {
  font-family: var(--serif);
  font-size: 52px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.slot-body h3 {
  font-family: var(--serif);
  font-size: 19px;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.slot-body p { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 10px; line-height: 1.55; }
.slot-body .slot-cli {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg-soft);
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  overflow-x: auto;
  white-space: pre;
  color: var(--ink);
}
.slot-body .slot-meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 6px;
  letter-spacing: 0.03em;
}

/* integration tiles */
.integration-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 14px 0 8px;
}
.integration-tile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.integration-tile h4 {
  font-family: var(--serif);
  font-size: 17px;
  margin: 0;
  letter-spacing: -0.01em;
}
.integration-tile p { font-size: 13.5px; color: var(--ink-soft); margin: 4px 0 0; line-height: 1.5; }
.integration-tile a { font-family: var(--mono); font-size: 12px; margin-top: auto; }

/* AgingCard preview block */
.card-preview {
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  overflow-x: auto;
  white-space: pre;
  margin: 12px 0 18px;
}
.card-preview .ck { color: #8fb6e0; }
.card-preview .cs { color: #f0c674; }
.card-preview .cn { color: #b4d8a8; }
.card-preview .cm { color: rgba(253, 252, 248, 0.5); font-style: italic; }

/* leaderboard track tabs */
.track-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}
.track-tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 10px 16px;
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  margin-bottom: -1px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.track-tab:hover { background: var(--bg-soft); color: var(--ink); }
.track-tab.active {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
  border-bottom-color: #fff;
  font-weight: 600;
}
.track-panel { display: none; }
.track-panel.active { display: block; }
.track-empty {
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  color: var(--ink-soft);
}
.track-empty h4 {
  font-family: var(--serif);
  font-size: 19px;
  margin: 0 0 6px;
  color: var(--ink);
}
.track-empty p { font-size: 14px; margin: 0; line-height: 1.55; }

/* "verified" / "self-reported" row badges */
.row-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
}
.row-badge.verified { background: #e6f4ec; color: #1f6a3a; }
.row-badge.self { background: var(--bg-soft); color: var(--muted); border: 1px solid var(--line); }

/* findings matrix table (compact) */
.findings-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 18px 0 8px;
}
.findings-matrix thead th {
  background: var(--bg-soft);
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.findings-matrix tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid #f0eee7;
  vertical-align: top;
  color: var(--ink-soft);
  line-height: 1.5;
}
.findings-matrix tbody td:first-child { font-weight: 600; color: var(--ink); }
.findings-matrix tbody td .mech-tag {
  font-family: var(--mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
}
.findings-matrix tbody tr:last-child td { border-bottom: none; }

/* small inline copy button (next to code blocks) */
.copy-inline {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 6px;
  vertical-align: middle;
  transition: background 0.12s, border-color 0.12s;
}
.copy-inline:hover { background: var(--bg-soft); border-color: var(--ink-soft); }

/* docs page: anchored sub-sections + scenario detail blocks */
.docs-nav {
  position: sticky;
  top: 70px;
  background: var(--bg);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
  font-size: 13.5px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  z-index: 10;
}
.docs-nav a {
  color: var(--ink-soft);
  border-bottom: none;
  padding: 4px 0;
}
.docs-nav a:hover { color: var(--accent); }

.scenario-detail {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
  padding: 20px 22px;
  margin: 14px 0;
}
.scenario-detail h4 {
  font-family: var(--serif);
  font-size: 20px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.scenario-detail .scen-id { display: inline-block; margin-bottom: 4px; }
.scenario-detail .scen-tier {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-left: 8px;
  letter-spacing: 0.05em;
}
.scenario-detail p { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 10px; line-height: 1.55; }
.scenario-detail dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 4px 16px;
  font-size: 13.5px;
  margin: 8px 0 0;
}
.scenario-detail dt {
  font-family: var(--mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.scenario-detail dd { margin: 0; color: var(--ink-soft); }

/* docs: roadmap timeline */
.roadmap {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  margin: 12px 0;
}
.roadmap-version {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  padding-top: 4px;
}
.roadmap-body { font-size: 14.5px; color: var(--ink-soft); line-height: 1.6; }
.roadmap-body h4 {
  font-family: var(--serif);
  font-size: 17px;
  margin: 0 0 6px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.roadmap-body ul { margin: 4px 0 0; padding-left: 18px; }
.roadmap-body li { margin-bottom: 4px; }

/* maintenance pledge box */
.pledge {
  background: var(--accent-soft);
  border: 1px solid #f0d4c5;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 16px 0;
}
.pledge h4 {
  font-family: var(--serif);
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.pledge p { margin: 4px 0; font-size: 14.5px; color: var(--ink-soft); line-height: 1.55; }
.pledge .pledge-contact {
  font-family: var(--mono);
  font-size: 13px;
  margin-top: 8px;
}

/* /* truly-inert hero buttons (replaces clickable href="#") */
.btn.btn-inert {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  border-style: dashed;
}

/* schema field reference table */
.schema-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 14px 0;
}
.schema-table thead th {
  background: var(--bg-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}
.schema-table tbody td {
  padding: 8px 14px;
  border-bottom: 1px solid #f0eee7;
  color: var(--ink-soft);
  vertical-align: top;
}
.schema-table tbody td:first-child {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent);
  width: 200px;
}
.schema-table tbody td:nth-child(2) {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  width: 100px;
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .kpi-value { font-size: 44px; }
  .mech-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .composite-grid.grid-2x2 { grid-template-columns: 1fr; }
  .composite-grid.grid-2col { grid-template-columns: 1fr; }
  .attr-flow { grid-template-columns: 1fr; gap: 8px; }
  .attr-arrow { padding: 4px 0; }
  .attr-arrow::before { content: "↓"; font-size: 24px; }
  .trace-grid { grid-template-columns: 1fr; }
  .ledger-row { grid-template-columns: 70px 1fr; }
  .ledger-row .bal { grid-column: 2; text-align: left; }
}

/* ============================================================
   Animation: Revision aging (S2 · $893 frozen accumulator)
   ============================================================ */

.anim-stage {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.anim-header {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.anim-header .anim-title {
  font-family: var(--serif);
  font-size: 18px;
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.anim-header .anim-source {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.anim-header .anim-source code {
  background: #fff;
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--ink-soft);
}

.anim-progress-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.anim-progress-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  flex-shrink: 0;
}
.anim-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.anim-progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0;
  transition: width 0.6s ease;
  border-radius: 999px;
}
.anim-progress-counter {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
  min-width: 56px;
  text-align: right;
}

.anim-controls {
  display: flex;
  gap: 6px;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  justify-content: center;
}
.anim-btn {
  background: transparent;
  border: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 44px;
  justify-content: center;
}
.anim-btn:hover:not(:disabled) {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.anim-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.anim-btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.anim-btn.primary:hover:not(:disabled) {
  background: #8e3a21;
  border-color: #8e3a21;
}

.anim-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  padding: 24px;
  gap: 28px;
  min-height: 480px;
}

.anim-col-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 12px;
}

/* ---- Left: gold ledger ---- */
.anim-ledger {
  display: flex;
  flex-direction: column;
}
.anim-ledger-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--mono);
  font-size: 13.5px;
  min-height: 320px;
  margin-bottom: 12px;
}
.ledger-entry {
  display: grid;
  grid-template-columns: 76px 1fr 78px;
  gap: 12px;
  padding: 7px 12px;
  border-radius: 6px;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--line);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.45s ease, transform 0.45s ease, background 0.3s ease, border-color 0.3s ease;
}
.ledger-entry.visible { opacity: 1; transform: translateY(0); }
.ledger-entry.flash {
  background: var(--accent-soft);
  border-color: var(--accent);
}
.ledger-entry .le-delta {
  color: #b54a2b;
  font-weight: 600;
  text-align: right;
}
.ledger-entry .le-desc {
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ledger-entry .le-balance {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.ledger-entry.initial .le-delta { color: var(--ink-soft); font-weight: 400; }
.ledger-entry.initial .le-balance { color: #1f6a3a; }
.ledger-entry.probe {
  background: #1f242b;
  border-color: #1f242b;
  color: var(--bg);
  font-weight: 500;
}
.ledger-entry.probe .le-delta { color: #f0c674; }
.ledger-entry.probe .le-desc { color: var(--bg); white-space: normal; }
.ledger-entry.probe .le-balance { color: #b4d8a8; }

.anim-ledger-foot {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.anim-ledger-foot .label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.anim-ledger-foot .value {
  font-weight: 700;
  font-size: 18px;
  color: #1f6a3a;
  transition: color 0.4s ease;
  font-variant-numeric: tabular-nums;
}
.anim-ledger-foot .value.diverging { color: #b54a2b; }

/* ---- Right: agent memory + big number ---- */
.anim-memory {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.memory-block {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--muted);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  transition: border-left-color 0.4s ease, background 0.4s ease;
}
.memory-block.fresh {
  background: var(--accent-soft);
  border-left-color: var(--accent);
}
.memory-block .mem-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}
.memory-block.fresh .mem-label { color: var(--accent); }
.memory-block code {
  background: transparent;
  padding: 0;
  color: var(--ink);
}

.big-number {
  flex: 1;
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  min-height: 220px;
  position: relative;
}
.big-number .bn-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(253, 252, 248, 0.55);
}
.big-number .bn-value {
  font-family: var(--serif);
  font-size: 88px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.big-number.frozen .bn-value { animation: bn-pulse 2.4s ease-in-out infinite; }
@keyframes bn-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.015); }
}
.big-number .bn-vs {
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(253, 252, 248, 0.55);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.big-number .bn-vs strong {
  color: rgba(253, 252, 248, 0.85);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.big-number .bn-delta {
  font-family: var(--mono);
  font-size: 13px;
  color: #f0c674;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transition: opacity 0.4s ease;
  margin-top: 8px;
  padding: 4px 12px;
  border: 1px solid rgba(240, 198, 116, 0.4);
  border-radius: 999px;
}
.big-number .bn-delta.visible { opacity: 1; }

.anim-narration {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-soft);
  font-style: italic;
  min-height: 50px;
  transition: background 0.3s ease;
}
.anim-narration.probe {
  background: #fef7f3;
  border-color: var(--accent);
  border-left: 3px solid var(--accent);
  font-style: normal;
  color: var(--ink);
}

.anim-footer-note {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding: 12px 24px;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.anim-footer-note a {
  font-family: var(--mono);
  font-size: 12px;
}

@media (prefers-reduced-motion: reduce) {
  .ledger-entry { transition: none; }
  .big-number.frozen .bn-value { animation: none; }
  .anim-progress-fill { transition: none; }
}

@media (max-width: 900px) {
  .anim-grid { grid-template-columns: 1fr; padding: 18px; gap: 20px; min-height: 0; }
  .big-number .bn-value { font-size: 64px; }
  .anim-ledger-list { min-height: 0; }
  .anim-controls { flex-wrap: wrap; }
}

/* ============================================================
   Compression animation (S1)
   ============================================================ */
.anim-grid-comp { grid-template-columns: 1fr 1.1fr; }

.comp-source {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--muted);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.comp-source mark {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  padding: 0 3px;
  border-radius: 3px;
}

.comp-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.comp-anchor {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid #f0d4c5;
  transition: opacity 0.4s ease, background 0.4s ease, color 0.4s ease, text-decoration 0.4s ease;
  position: relative;
}
.comp-anchor.lost {
  background: var(--bg-soft);
  color: var(--muted);
  border-color: var(--line);
  text-decoration: line-through;
  text-decoration-color: var(--muted);
  opacity: 0.6;
}

.comp-probe {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 13.5px;
  min-height: 72px;
}
.comp-probe-empty {
  font-style: italic;
  color: var(--muted);
  font-size: 13px;
}
.comp-probe-q { color: var(--ink-soft); margin-bottom: 8px; }
.comp-probe-q::before {
  content: "User · ";
  display: none;
}
.comp-probe-a {
  border-left: 3px solid var(--muted);
  padding-left: 10px;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.5;
}
.comp-probe-a.correct { border-left-color: #2c8a4f; }
.comp-probe-a.wrong   { border-left-color: #b54a2b; background: #fef7f3; padding: 6px 10px; border-radius: 4px; }
.comp-probe-mark { font-weight: 700; margin-left: 6px; }
.comp-probe-a.correct .comp-probe-mark { color: #2c8a4f; }
.comp-probe-a.wrong   .comp-probe-mark { color: #b54a2b; }
.comp-probe-score {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 8px;
  letter-spacing: 0.02em;
}

.comp-memory {
  min-height: 96px;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.6;
}
.comp-memory [data-mem-text] { font-family: var(--serif); }

.comp-token-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 12px;
  padding: 8px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.comp-token-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.comp-token-value {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.comp-token-delta {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  margin-left: auto;
}
.comp-token-delta.shrink { color: #b54a2b; }
.comp-token-delta.grow   { color: #1f6a3a; }

.comp-lost {
  margin-top: 12px;
  padding: 10px 14px;
  background: #fef7f3;
  border: 1px solid #f0d4c5;
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  min-height: 56px;
}
.comp-lost-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}
.comp-lost-list { font-family: var(--mono); font-size: 12.5px; }
.comp-lost-list em { color: var(--muted); font-style: italic; }
.comp-lost-token {
  display: inline-block;
  padding: 2px 8px;
  margin: 2px 4px 2px 0;
  background: #fff;
  border: 1px solid #f0d4c5;
  border-radius: 4px;
  text-decoration: line-through;
  text-decoration-color: var(--accent);
  color: var(--ink-soft);
}

/* ============================================================
   Interference animation (S3)
   ============================================================ */
.anim-grid-intf { grid-template-columns: 1.1fr 1fr; }

.intf-session {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.intf-probe {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-left: 3px solid var(--muted);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.intf-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 140px;
}
.intf-empty {
  background: var(--bg);
  border: 1px dashed var(--line);
  border-radius: 6px;
  padding: 18px;
  text-align: center;
  color: var(--muted);
  font-style: italic;
  font-size: 13px;
}
.intf-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 10px;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.intf-card.winning {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.intf-card.correct-card { border-left: 3px solid #2c8a4f; }
.intf-card.distractor   { border-left: 3px solid #b54a2b; }
.intf-card-id {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}
.intf-card-session {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.intf-card-text {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.5;
}
.intf-card-arrow {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--accent);
  font-weight: 600;
}

.intf-sim {
  display: flex;
  align-items: center;
  gap: 12px;
}
.intf-sim-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.intf-sim-fill {
  height: 100%;
  background: var(--muted);
  width: 0%;
  transition: width 0.6s ease, background 0.4s ease;
  border-radius: 999px;
}
.intf-sim-fill.active { background: var(--m-interference); }
.intf-sim-value {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  min-width: 130px;
  text-align: right;
}

.intf-retrieve {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  min-height: 140px;
}
.intf-retrieve-target {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.intf-retrieve-target strong { font-size: 13.5px; }
.intf-retrieve-answer {
  border-left: 3px solid var(--line);
  padding-left: 10px;
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 10px;
}
.intf-retrieve-answer.correct { border-left-color: #2c8a4f; }
.intf-retrieve-answer.wrong { border-left-color: #b54a2b; background: #fef7f3; padding: 8px 10px; border-radius: 6px; }
.intf-mark { font-weight: 700; margin-left: 6px; }
.intf-retrieve-answer.correct .intf-mark { color: #2c8a4f; }
.intf-retrieve-answer.wrong   .intf-mark { color: #b54a2b; }
.intf-retrieve-judge {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.intf-retrieve-judge code {
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--ink);
}

/* ============================================================
   Maintenance animation (S6) — SVG line chart
   ============================================================ */
.maint-stage {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.maint-legend {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.maint-legend-item {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 8px 10px;
  align-items: center;
}
.maint-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}
.maint-label {
  font-size: 13px;
  color: var(--ink);
  font-weight: 500;
}
.maint-current {
  grid-column: 2;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.maint-verdict {
  grid-column: 2;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 999px;
  width: max-content;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.maint-verdict.visible { opacity: 1; }
.maint-verdict-control       { background: #e6f4ec; color: #1f6a3a; }
.maint-verdict-flush         { background: #fef7f3; color: #b54a2b; }
.maint-verdict-partial_reset { background: #dff0f4; color: #1f5663; }

.maint-svg {
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.maint-svg .ax-axis  { stroke: var(--ink-soft); stroke-width: 1; }
.maint-svg .ax-tick line { stroke: var(--line); stroke-width: 1; }
.maint-svg .ax-tick text {
  font-family: var(--mono);
  font-size: 10.5px;
  fill: var(--muted);
}
.maint-svg .gridline { stroke: var(--line); stroke-width: 1; stroke-dasharray: 2 3; opacity: 0.5; }
.maint-svg .ax-title {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.maint-svg .maint-line {
  transition: d 0.3s ease;
}
.maint-svg .maint-dot {
  transition: cx 0.3s ease, cy 0.3s ease;
}
.maint-svg .maint-shockbar {
  stroke: var(--accent);
  stroke-width: 1.5;
  transition: opacity 0.4s ease;
}
.maint-svg .maint-shocklabel {
  font-family: var(--mono);
  font-size: 10.5px;
  fill: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: opacity 0.4s ease;
}

@media (max-width: 900px) {
  .maint-legend { grid-template-columns: 1fr; }
  .anim-grid-comp,
  .anim-grid-intf { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .cta-grid { grid-template-columns: 1fr; }
  .mode-row { grid-template-columns: 1fr; }
  .integration-grid { grid-template-columns: repeat(2, 1fr); }
  .finding-callout { grid-template-columns: 1fr; padding: 24px; gap: 12px; }
  .finding-number { font-size: 56px; }
  .slot-card { grid-template-columns: 1fr; gap: 8px; }
  .slot-letter { font-size: 40px; }
  .roadmap { grid-template-columns: 1fr; gap: 4px; }
  .roadmap-version { padding-top: 0; }
  .scenario-detail dl { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; gap: 12px; }
  .top-nav { width: 100%; justify-content: flex-start; gap: 14px; }
  .resource-buttons { flex-wrap: wrap; }
  .demo-tabs { grid-template-columns: 1fr 1fr; }
  .demo-panel { padding: 22px 18px; }
  .scenario-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 24px; }
  .section { padding: 56px 0; }
  .integration-grid { grid-template-columns: 1fr; }
  .cost-table { font-size: 12.5px; }
  .docs-nav { position: static; }
}

/* ============ Splash-port: rules for classes used in splash HTML pages ============
   Surgical port from splash-edits-2026-05-15:site/assets/css/main.css.
   Only adds rules for classes that the current main.css did not previously
   define; all existing rules remain untouched. Append-only block — safe to
   delete in one piece if you want to revert.                              */

.container.narrow { max-width: 760px; }

.top-nav a.nav-disabled {
  color: var(--muted);
  cursor: not-allowed;
  pointer-events: none;
}

.top-nav a.nav-disabled:hover { color: var(--muted); }

.top-nav-github svg { display: block; }

.top-nav a.top-nav-github { color: var(--muted); }

.btn-cta:hover { filter: brightness(0.92); border-bottom: none; }

.contributor-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}

.contributor-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
}

.contributor-star { color: var(--accent); }

.contributor-aff {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 10px;
}

.contributor-links {
  display: flex;
  gap: 12px;
  font-size: 13px;
  margin: 0;
}

.contributor-links a.nav-disabled {
  color: var(--muted);
  pointer-events: none;
  border-bottom: none;
}

.hero-subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
  color: var(--accent);
  max-width: 720px;
  margin: 0 auto 36px;
}

.callout-note strong { color: var(--ink); }

.mech-blurb.mech-compression  { background: #fff; border-left-color: var(--m-compression); }

.mech-blurb.mech-interference { background: #fff; border-left-color: var(--m-interference); }

.mech-blurb.mech-revision     { background: #fff; border-left-color: var(--m-revision); }

.mech-blurb.mech-maintenance  { background: #fff; border-left-color: var(--m-maintenance); }

.mech-blurb-def {
  font-size: 14px;
  color: var(--ink);
  line-height: 1.5;
  margin: 0;
  flex: 1 1 460px;
}

.mech-blurb-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
  border-bottom: none;
  flex-shrink: 0;
}

.mech-blurb-link:hover { border-bottom: 1px solid var(--accent); }

.t1-track-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  position: relative;
}

.t1-track-letter {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.t1-track-card h4 {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 8px;
}

.t1-track-card p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0 0 8px;
}

.t1-track-card .slot-meta {
  font-size: 12px;
  margin-top: 8px;
}

.t1-track-card .slot-meta code { font-size: 11.5px; }

.t1-tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 7px 14px;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  margin-bottom: -1px;
}

.t1-tab:hover { background: var(--bg-soft); color: var(--ink); }

.t1-tab.active {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
  border-bottom-color: #fff;
  font-weight: 600;
}

.t1-panel { display: none; }

.t1-panel.active { display: block; }

.docs-sidebar {
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 8px 0;
}

.docs-side-label {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 10px;
  padding-left: 14px;
}

.docs-side-nav a {
  display: block;
  padding: 7px 14px;
  font-size: 14px;
  line-height: 1.35;
  color: var(--ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-bottom: 0;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.docs-side-nav a:hover {
  color: var(--ink);
  background: var(--bg-soft);
}

.docs-side-nav a.active {
  color: var(--ink);
  background: var(--bg-soft);
  border-left-color: var(--accent);
  font-weight: 600;
}

.docs-main .section:first-child { padding-top: 8px; }

.docs-main .section:last-of-type { border-bottom: 0; }

.docs-main .section > .container {
  max-width: none;
  padding: 0;
}

.docs-main .section > .container.narrow { max-width: 720px; }

.docs-main .section-title {
  font-size: clamp(24px, 2.6vw, 30px);
  margin-top: 8px;
}

.docs-main .section-lead {
  font-size: 17px;
  margin-bottom: 28px;
}

.docs-main .subsection { margin-top: 36px; }


/* ---- additional standalone rules + @media overrides the regex missed ---- */
.contributors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.docs-layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 8px 28px 64px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.t1-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 16px 0 20px;
  border-bottom: 1px solid var(--line);
}

.t1-track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: 16px 0;
}

@media (max-width: 768px) {
  .t1-track-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 16px;
  }
  /* On mobile, the sidebar would otherwise render as a 9-link block above
     the content — adds a screen of scroll friction. Hide it; visitors can
     use browser find-in-page on small screens. */
  .docs-sidebar { display: none; }
}

/* ============ Lightbox (click-to-enlarge, drives lightbox.js) ============ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  padding: 4vh 4vw;
  background: rgba(15, 20, 25, 0.85);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.18s ease;
}
/* Respect the HTML `hidden` attribute — without this, `display: flex`
   above keeps the overlay live (invisible but click-intercepting) on
   page load, which blocks every link/button on the page. */
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }
.lightbox > #lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  background: var(--bg);
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  cursor: zoom-out;
}
.lightbox-close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  border: none;
  color: var(--ink);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform 0.15s ease, background 0.15s ease;
}
.lightbox-close:hover { transform: scale(1.08); background: #fff; }
.lightbox-caption {
  color: rgba(253, 252, 248, 0.85);
  font-family: var(--mono);
  font-size: 12.5px;
  margin: 0;
  max-width: 80vw;
  text-align: center;
  line-height: 1.4;
}

/* ============ Analysis strip (figure-first cards, horizontal-scroll) ============
   Six headline-finding cards, each with a results figure on top and a
   pill + title + paragraph below. Wraps in a horizontally scrolling
   strip with snap points so the carousel UX works without any JS. */
.analysis-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 320px;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 4px;
  padding: 4px 4px 18px;
  /* slim scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.analysis-strip::-webkit-scrollbar { height: 8px; }
.analysis-strip::-webkit-scrollbar-thumb {
  background: var(--accent-soft);
  border-radius: 999px;
}
.analysis-strip::-webkit-scrollbar-thumb:hover { background: var(--accent); }
@media (min-width: 1100px) {
  .analysis-strip { grid-auto-columns: 340px; }
}

.analysis-card {
  scroll-snap-align: start;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(15, 20, 25, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.analysis-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(15, 20, 25, 0.08);
}

.analysis-figure {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 180px;
}
.analysis-figure img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.analysis-copy { display: flex; flex-direction: column; gap: 6px; }
.analysis-copy .pill {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent);
}
.analysis-copy .pill.compression  { background: rgba(201, 138, 59, 0.16);  color: #8b5a1f; }
.analysis-copy .pill.interference { background: rgba(133, 84, 168, 0.14);  color: #5b378a; }
.analysis-copy .pill.revision     { background: rgba(44, 122, 138, 0.14);  color: #1f5560; }
.analysis-copy .pill.maintenance  { background: rgba(181, 74, 43, 0.16);   color: #8a3520; }

.analysis-copy h3 {
  margin: 4px 0 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.005em;
}
.analysis-copy p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ============ Telemetry demo (drives telemetry_demo.js) ============ */
/* v1.2: Two-column layout — LEFT panel (upload + format + compute),
   RIGHT panel (live AgingCard, pre-loaded with the bundled sample). */
.telem-layout {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 28px;
  margin-top: 18px;
  align-items: start;
}
@media (max-width: 980px) {
  .telem-layout { grid-template-columns: 1fr; }
}
/* Top-align: kill the legacy margin-top that .telem-result carried
   from the pre-v1.2 stacked layout. Inside .telem-layout, both
   columns share the same top so the panel + card visually line up. */
.telem-layout .telem-result {
  margin-top: 0;
}
.telem-panel {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
/* Larger CTA — matches the "Try sample" recipe-try style */
.telem-compute-btn {
  margin-top: 6px;
  width: 100%;
  padding: 12px 18px;
  font-weight: 600;
  font-size: 14px;
}
/* Pre-built sample buttons (top of left panel, primary path). */
.telem-sample-btn {
  margin-top: 8px;
  text-align: left;
  font-size: 13px;
}
.telem-sample-btn:first-of-type {
  margin-top: 4px;
}
/* Small section-title above the samples — matches .telem-step h3 style
   so the visual hierarchy reads consistently across both halves. */
.telem-section-title {
  margin: 4px 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.telem-or-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}
.telem-or-divider::before,
.telem-or-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.telem-step h3 {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
#telem-compute:disabled { opacity: 0.5; cursor: not-allowed; }
.telem-upload-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.telem-upload-label input[type="file"] {
  font-family: var(--sans);
  font-size: 13px;
  padding: 6px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: var(--bg-soft);
}
.telem-upload-name { color: var(--ink-soft); font-style: italic; }

.telem-options {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}
.telem-options label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.telem-options select {
  font-family: var(--mono);
  font-size: 13px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg);
  color: var(--ink);
}
.telem-status {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  background: var(--bg-soft);
  padding: 10px 14px;
  border-radius: 6px;
  border-left: 3px solid var(--line);
  margin: 0;
}
.telem-status[data-kind="ready"] { border-left-color: #15803d; color: #166534; }
.telem-status[data-kind="error"] { border-left-color: #b91c1c; color: #991b1b; }

/* ----- Helper hints (dropdown + status + metric) ----- */
.telem-status-hint {
  margin: 6px 0 0;
  font-size: 11.5px;
  color: var(--muted);
  font-style: italic;
}
.telem-dropdown-hint {
  display: block;
  margin-top: 4px;
  max-width: 320px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  line-height: 1.45;
  color: var(--muted);
}
.telem-dropdown-hint code {
  font-family: var(--mono);
  font-size: 10.5px;
  background: var(--bg-soft);
  padding: 1px 4px;
  border-radius: 3px;
}
.telem-metric-hint {
  display: block;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--muted);
  line-height: 1.35;
  text-transform: none;
}

/* ----- Result panel ----- */
.telem-result {
  margin-top: 28px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
}
.telem-result h3 {
  margin: 22px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.telem-result h3:first-of-type { margin-top: 4px; }
.telem-meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.telem-meta-pills span {
  background: var(--bg-soft);
  padding: 4px 10px;
  border-radius: 999px;
}
.telem-meta-pills strong { color: var(--ink); font-weight: 600; }

.telem-headline-grid,
.telem-cost-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.telem-headline-grid > div,
.telem-cost-block > div {
  background: var(--bg-soft);
  padding: 12px 14px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.telem-headline-grid span,
.telem-cost-block span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}
.telem-headline-grid strong,
.telem-cost-block strong {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
/* v1.2: aging-detected coloring inside Telemetry summary */
.telem-cost-block strong.telem-aging-yes {
  color: var(--m-revision);
}
.telem-cost-block strong.telem-aging-no {
  color: var(--muted);
}

.telem-mech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 700px) { .telem-mech-grid { grid-template-columns: 1fr; } }
.telem-mech {
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 14px 16px;
  border-left: 3px solid var(--line);
}
.telem-mech-compression  { border-left-color: var(--m-compression);  color: var(--m-compression); }
.telem-mech-interference { border-left-color: var(--m-interference); color: var(--m-interference); }
.telem-mech-revision     { border-left-color: var(--m-revision);     color: var(--m-revision); }
.telem-mech-maintenance  { border-left-color: var(--m-maintenance);  color: var(--m-maintenance); }
/* v1.2: consistency = 5th sparkline (load-bearing headline detector). Span both
   columns at the top of the grid so it's visually the headline strip. */
.telem-mech-consistency  { border-left-color: var(--ink); color: var(--ink); grid-column: 1 / -1; background: var(--bg); }
.telem-mech-dominant { box-shadow: 0 0 0 2px var(--ink) inset; }
.telem-dom-tag {
  font-size: 10px; font-weight: 600; padding: 1px 6px; margin-left: 6px;
  border: 1px solid var(--ink); border-radius: 4px; color: var(--ink);
  vertical-align: middle;
}
.telem-mech-stars {
  font-family: var(--mono); font-size: 22px; letter-spacing: 3px;
  color: var(--ink); margin: 4px 0 8px;
}

/* v1.2 Lifespan Card surface (headline label + regime + dominant + signature + repair) */
.telem-v12-surface {
  margin: 12px 0 18px;
  padding: 14px 18px;
  background: var(--bg-soft);
  border-left: 3px solid var(--ink);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  line-height: 1.55;
}
.telem-v12-label { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.telem-v12-regime { color: var(--muted); font-size: 11.5px; margin-bottom: 8px; }
.telem-v12-dom    { margin-top: 8px; }
.telem-v12-dom-meta { color: var(--muted); font-weight: 400; }
.telem-v12-sig    { margin-top: 4px; }
.telem-v12-repair { margin-top: 4px; color: var(--muted); }
.telem-v12-repair strong, .telem-v12-sig strong { color: var(--ink); }
.telem-mech h4 {
  margin: 0 0 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}
.telem-mech-spark { margin: 4px 0 8px; height: 36px; }
.telem-mech-spark .telem-spark { width: 100%; height: 36px; }
.telem-mech-spark .telem-spark-empty { background: repeating-linear-gradient(45deg, transparent 0 4px, var(--line) 4px 5px); border-radius: 4px; }
.telem-mech-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
  flex-wrap: wrap;
}
.telem-mech-meta strong { color: var(--ink); font-weight: 600; }
.telem-mech-cov {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}
.telem-mech-cov strong { color: var(--ink); font-weight: 600; }

.telem-verdict {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid;
}
.telem-verdict.is-good    { background: #ecfdf5; color: #047857; border-color: #a7f3d0; }
.telem-verdict.is-bad     { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.telem-verdict.is-neutral { background: var(--bg); color: var(--muted); border-color: var(--line); }

.telem-actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.telem-action-btn {
  flex: 1 1 auto;
  min-width: 140px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
}

/* v1.2: snapshot region — padding so the exported PNG has visual
   breathing room on every side. No background or border — the parent
   .telem-result already provides those, so this stays minimal and
   doesn't double up. */
#telem-card-snapshot {
  padding: 28px 32px;
  margin-top: 4px;
}
.telem-raw {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.telem-raw summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  user-select: none;
}
.telem-raw pre {
  margin-top: 10px;
  background: var(--ink);
  color: var(--bg);
  padding: 14px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.55;
  overflow-x: auto;
  max-height: 360px;
  overflow-y: auto;
}

/* ─── How-to-read expander (telemetry demo, below setup + AgingCard) ───
   Matches the .telem-result AgingCard surface: same background, solid
   border, padding, and radius — so it reads as a sibling card rather
   than a secondary aside. */
.telem-howto {
  margin-top: 28px;
  padding: 20px 26px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.telem-howto > summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  user-select: none;
  list-style: none;
}
.telem-howto > summary::-webkit-details-marker { display: none; }
.telem-howto > summary::before {
  content: "▸ ";
  display: inline-block;
  color: var(--muted);
  transition: transform 0.15s ease;
}
.telem-howto[open] > summary::before {
  content: "▾ ";
}
.telem-howto-hint {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  margin-left: 6px;
}
.telem-howto-body {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.6;
}
.telem-howto-body h4 {
  margin: 16px 0 8px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
}
.telem-howto-body h4:first-child {
  margin-top: 4px;
}
.telem-howto-body ul {
  margin: 4px 0 12px 22px;
  padding: 0;
}
.telem-howto-body ul li {
  margin-bottom: 6px;
}
.telem-howto-body code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.telem-howto-note {
  font-size: 13.5px;
  color: var(--muted);
  margin: 8px 0;
}
.telem-howto-table {
  width: 100%;
  margin: 10px 0 6px;
  border-collapse: collapse;
  font-size: 13px;
}
.telem-howto-table th,
.telem-howto-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.telem-howto-table th {
  font-family: var(--sans);
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.telem-howto-table td code {
  white-space: nowrap;
}

/* ─── Per-format recipe cards (telemetry "Get your trace in 60s") ─── */
.other-adapters {
  margin-top: 32px;
  padding: 18px 22px;
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
}
.other-adapters h3.subsection {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
}
.other-adapters-list {
  margin: 12px 0 8px 18px;
  padding: 0;
}
.other-adapters-list li {
  margin: 8px 0;
  font-size: 13.5px;
  line-height: 1.5;
}

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.recipe-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;   /* allow grid item to shrink so recipe-cmd <pre> doesn't blow out the row */
}
.recipe-card > header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.recipe-card h3 {
  font-family: var(--mono);
  font-size: 14px;
  margin: 0;
  letter-spacing: -0.01em;
}
.friction-badge {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.friction-low  { background: #e6f4ea; color: #1e6b3a; border: 1px solid #b9e0c5; }
.friction-med  { background: #fff4e0; color: #8a5a00; border: 1px solid #ffd99a; }
.friction-high { background: #fde6e6; color: #8a1f1f; border: 1px solid #f4b8b8; }

.recipe-what {
  font-size: 13.5px;
  color: var(--muted);
  margin: 2px 0 4px;
  line-height: 1.5;
}
.recipe-cmd {
  background: var(--ink);
  color: var(--bg);
  padding: 10px 12px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.5;
  overflow-x: auto;
  margin: 4px 0;
  white-space: pre;
}
.recipe-privacy {
  font-size: 12px;
  color: var(--muted);
  margin: 4px 0 0;
  line-height: 1.5;
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}
.recipe-try {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 8px;
  align-self: flex-start;
  transition: background 0.12s, border-color 0.12s;
}
.recipe-try:hover:not(:disabled) {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.recipe-try:disabled { opacity: 0.5; cursor: not-allowed; }

.telem-hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  color: var(--muted);
}

/* ─── Synthetic-probe augmentation panel (in result block) ─── */
.telem-augment {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid #ffd99a;
  border-left: 4px solid #d68f00;
  border-radius: 10px;
  background: #fffaf0;
}
.telem-augment h3 {
  margin: 0 0 6px;
  font-family: var(--sans);
  color: #8a5a00;
}
.telem-augment-reason {
  font-family: var(--mono);
  font-size: 12px;
  color: #8a5a00;
  margin: 0 0 12px;
  padding: 6px 10px;
  background: #fff4e0;
  border-radius: 6px;
  display: inline-block;
}
.telem-augment-steps {
  margin: 12px 0 8px;
  padding-left: 22px;
}
.telem-augment-steps > li {
  margin: 10px 0;
  font-size: 14px;
  line-height: 1.55;
}
.telem-augment-steps .recipe-cmd {
  margin: 8px 0;
}
.telem-augment .telem-upload-label {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 8px 0 6px;
  font-size: 13px;
}
.telem-augment #telem-probe-upload-name {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
}

.telem-probes {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.telem-probes h3 {
  margin: 0 0 10px;
}
.telem-probes h3 .muted {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}
.telem-probes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}
.telem-probe-card {
  border: 1px solid var(--line);
  border-left: 3px solid #d68f00;
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--bg);
}
.telem-probe-card h4 {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 13px;
}
.telem-probe-card dl {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 12px;
  row-gap: 4px;
  font-size: 12.5px;
  line-height: 1.4;
}
.telem-probe-card dt {
  color: var(--muted);
  font-family: var(--mono);
}
.telem-probe-card dd { margin: 0; font-weight: 600; color: var(--ink); }

.footer-fineprint {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
}

/* ─── Sticky in-page pill-bar nav (use.html) ─── */
.page-pillbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(253, 252, 248, 0.94);
  backdrop-filter: saturate(140%) blur(6px);
  -webkit-backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-pillbar::-webkit-scrollbar { height: 6px; }
.page-pillbar::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.page-pillbar-inner {
  display: flex;
  gap: 6px;
  padding: 10px 28px;
  max-width: 1080px;
  margin: 0 auto;
  white-space: nowrap;
}
.page-pillbar a {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  flex-shrink: 0;
}
.page-pillbar a:hover {
  background: var(--bg-soft);
  color: var(--ink);
}
.page-pillbar a.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

/* ============ End splash-port ============ */