/* ============================================
   D&D Knowledge Graph — Case Study
   Extends dnd-pipeline.css, but flips it to the
   site-wide light/editorial theme. Only the live
   graph demo and the hero's graph-preview card
   stay dark — deliberate contrast moments.
   ============================================ */

/* =============================================================
   LIGHT THEME OVERRIDE
   dnd-pipeline.css sets :root vars for a dark gaming theme.
   We remap them here so the entire dnd-knowledge-graph page
   inherits CBK's editorial palette without touching the
   shorts case study.
   ============================================================= */
body.dnd-kg-page {
  --bg-deep:     #faf9f7;
  --bg-surface:  #ffffff;
  --bg-card:     #ffffff;
  --bg-hover:    #f4f3f0;
  --border:      rgba(0, 0, 0, 0.08);
  --border-light:rgba(0, 0, 0, 0.12);
  --text:        #1a1a1a;
  --text-dim:    #4a4540;
  --text-muted:  #6b6560;
  --accent:      #c2410c;      /* warm rust — primary */
  --accent-dim:  #9a3109;
  --accent-soft: #fef0ec;
  --accent-2:    #6c63ff;      /* indigo — AI/secondary */
  --accent-2-soft:#f0eeff;
  --rule:        rgba(0, 0, 0, 0.1);

  background: var(--bg-deep);
  color: var(--text);
}

/* Article/body links pick up the accent; chrome links (nav/footer/buttons)
   carry their own explicit colors via their own selectors. */
body.dnd-kg-page .hero-context a,
body.dnd-kg-page .kg-problem-body a,
body.dnd-kg-page .about-text a,
body.dnd-kg-page .about-built a { color: var(--accent); }
body.dnd-kg-page .hero-context a:hover,
body.dnd-kg-page .kg-problem-body a:hover,
body.dnd-kg-page .about-text a:hover,
body.dnd-kg-page .about-built a:hover { text-decoration: underline; }

/* Compact case-study nav, matches the pattern on ANY/Reddy/Snap/Ramp */
body.dnd-kg-page .cs-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
body.dnd-kg-page .cs-nav__back,
body.dnd-kg-page .cs-nav__logo {
  font-family: 'Space Grotesk', sans-serif;
  text-decoration: none;
  transition: color 0.2s ease;
}
body.dnd-kg-page .cs-nav__back {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
body.dnd-kg-page .cs-nav__back:hover { color: var(--text); }
body.dnd-kg-page .cs-nav__logo {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}
body.dnd-kg-page strong { color: var(--text); font-weight: 600; }
body.dnd-kg-page em { color: var(--text); font-style: italic; }
body.dnd-kg-page code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88em;
  background: #f4f3f0;
  color: var(--accent-dim);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ---- Section chrome ---- */
body.dnd-kg-page .section-title {
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1rem;
}
body.dnd-kg-page .section-subtitle {
  color: var(--text-muted);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  max-width: 740px;
  margin-bottom: 3rem;
}
body.dnd-kg-page .section-label {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  text-align: left;
}
body.dnd-kg-page .section-kicker {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

/* ---- Hero: drop full-viewport dark, give it editorial spacing ---- */
body.dnd-kg-page .section--hero {
  min-height: 0;
  padding: clamp(3rem, 8vh, 6rem) 24px 2rem;
  background: var(--bg-deep);
  display: block;
}
body.dnd-kg-page .hero-content {
  max-width: 1100px;
  margin: 0 auto;
}
body.dnd-kg-page .hero-kicker {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
body.dnd-kg-page .hero-title {
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  max-width: 1000px;
  margin-bottom: 2.5rem;
}

/* Hero body paragraphs — re-point the dim-white override to dark */
body.dnd-kg-page .hero-context p {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 800px;
  margin-bottom: 1.1rem;
}
body.dnd-kg-page .hero-context-emphasis {
  color: var(--text) !important;
  font-weight: 600;
  font-size: 1.08rem !important;
}

/* =============================================================
   COMPONENT OVERRIDES — flip pipeline.css components to light
   (except explicit dark-preserved elements below)
   ============================================================= */

/* Pipeline section background */
body.dnd-kg-page .section--pipeline {
  background: #f4f3f0;
}
body.dnd-kg-page .pipeline-intro {
  text-align: left;
  margin-bottom: 2.5rem;
}

/* Phase cards */
body.dnd-kg-page .phase {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
body.dnd-kg-page .phase:hover { border-color: rgba(194, 65, 12, 0.35); }
body.dnd-kg-page .phase-header:hover { background: var(--bg-hover); }
body.dnd-kg-page .phase-number {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
}
body.dnd-kg-page .phase-title {
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}
body.dnd-kg-page .phase-subtitle { color: var(--text-muted); }
body.dnd-kg-page .phase-cost {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
}
body.dnd-kg-page .phase-expand-icon { color: var(--text-muted); }

/* Detail cards inside phases */
body.dnd-kg-page .detail-card {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 10px;
}
body.dnd-kg-page .detail-card h4 {
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
}
body.dnd-kg-page .detail-card p { color: var(--text-dim); }

/* Code / data blocks — keep dark (deliberate, like a terminal snippet) */
body.dnd-kg-page .data-block {
  background: #0e1015;
  border: 1px solid rgba(0, 0, 0, 0.3);
  color: #e0e0e8;
}
body.dnd-kg-page .data-block--raw { color: #8888a0; }
body.dnd-kg-page .data-block--clean { color: #e0e0e8; }
body.dnd-kg-page .json-key  { color: #7ee3f2; }
body.dnd-kg-page .json-str  { color: #8ce09a; }
body.dnd-kg-page .json-num  { color: #ffb677; }
body.dnd-kg-page .json-bool { color: #d69cff; }
body.dnd-kg-page .ba-label { color: var(--text-muted); }
body.dnd-kg-page .transform-arrow { color: var(--accent); }

/* Philosophies */
body.dnd-kg-page .section--philosophies { background: var(--bg-deep); }
body.dnd-kg-page .philosophy {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}
body.dnd-kg-page .philosophy-number {
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
}
body.dnd-kg-page .philosophy h3 {
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}
body.dnd-kg-page .philosophy-body p { color: var(--text-dim); }
body.dnd-kg-page .philosophy-takeaway {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-style: italic;
  font-weight: 500;
  padding: 1rem 1.25rem;
  border-radius: 6px;
}

/* Lessons */
body.dnd-kg-page .section--lessons { background: #f4f3f0; }
body.dnd-kg-page .lesson {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}
body.dnd-kg-page .lesson-number {
  color: var(--accent-2);
  font-family: 'Space Grotesk', sans-serif;
}
body.dnd-kg-page .lesson-title {
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}
body.dnd-kg-page .lesson-body p { color: var(--text-dim); }
body.dnd-kg-page .lesson-takeaway {
  background: var(--accent-2-soft);
  border-left: 3px solid var(--accent-2);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-style: italic;
  font-weight: 500;
  padding: 1rem 1.25rem;
  border-radius: 6px;
}

/* Problem section */
body.dnd-kg-page .section--problem { background: var(--bg-surface); }
body.dnd-kg-page .section--problem .section-kicker { color: var(--accent-2); }
body.dnd-kg-page .kg-problem-punchline {
  background: var(--accent-2-soft);
  color: var(--accent-2) !important;
  border-left: 3px solid var(--accent-2);
  border-radius: 6px;
}

/* Business section — already light, just tune accent */
body.dnd-kg-page .section--business { background: var(--bg-deep); }
body.dnd-kg-page .kg-business-intro {
  border-left-color: var(--accent);
  color: var(--text) !important;
}
body.dnd-kg-page .kg-business-tag {
  background: var(--accent-soft);
  color: var(--accent);
}
body.dnd-kg-page .kg-business-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
}

/* Recap explainer lead (was dim white on dark) */
body.dnd-kg-page .kg-recap-explainer p { color: var(--text-dim); }
body.dnd-kg-page .kg-recap-explainer-lead {
  color: var(--text) !important;
  font-weight: 600 !important;
}
body.dnd-kg-page .kg-recap-lane {
  background: var(--bg-surface);
  border-color: var(--border);
}

/* Demo section — dark iframe frame stays; surrounding chrome flips */
body.dnd-kg-page .section--demo { background: var(--bg-deep); }
body.dnd-kg-page .section--demo .section-title { color: var(--text); }
body.dnd-kg-page .section--demo .section-subtitle { color: var(--text-muted); }
body.dnd-kg-page .kg-demo-note { color: var(--text-muted); }
body.dnd-kg-page .kg-demo-suggestions em { color: var(--accent); }
body.dnd-kg-page .kg-demo-fallback { color: var(--text-muted); }
body.dnd-kg-page .kg-demo-fallback a { color: var(--accent); }

/* About section */
body.dnd-kg-page .section--about {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}
body.dnd-kg-page .section--about .section-title { color: var(--text); }
body.dnd-kg-page .about-text p { color: var(--text-dim); }
body.dnd-kg-page .about-text a { color: var(--accent); font-weight: 500; }
body.dnd-kg-page .about-built {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1.5rem;
}
body.dnd-kg-page .about-built a { color: var(--accent); }

/* Strong text inside the iframe / dark-preserved elements stays white */
body.dnd-kg-page .kg-hero-graph strong,
body.dnd-kg-page .data-block strong { color: #fff; }

/* Soft CTA pointing to AI services page */
body.dnd-kg-page .kg-business-cta {
  margin-top: 3rem;
  padding: 2rem 2.25rem;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
}
body.dnd-kg-page .kg-business-cta p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 1rem 0;
}
body.dnd-kg-page .kg-business-cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  transition: background 0.15s ease, color 0.15s ease;
}
body.dnd-kg-page .kg-business-cta-btn:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

/* ---- Hero stat band (scope of the data) ---- */
.hero-stat-band {
  margin: 2rem 0 1.75rem;
  padding: 1.75rem 0 2rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.hero-stat-band__kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.5rem;
  font-weight: 700;
}
.hero-stat-band__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.hero-stat-band__cell {
  display: flex;
  flex-direction: column;
}
.hero-stat-band__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.55rem;
}
.hero-stat-band__cell--accent .hero-stat-band__num {
  color: var(--accent);
}
.hero-stat-band__label {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.22rem;
}
.hero-stat-band__sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}
@media (max-width: 800px) {
  .hero-stat-band__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 1.25rem;
  }
}
@media (max-width: 480px) {
  .hero-stat-band__grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* ---- Scale compare bars (10M vs 3K) ---- */
.hero-scale-compare {
  margin: 0 0 2rem;
  padding: 0.25rem 0 0;
  font-family: 'JetBrains Mono', monospace;
}
.hero-scale-compare__row {
  display: grid;
  grid-template-columns: 110px 1fr 180px;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.65rem;
}
.hero-scale-compare__rowlabel {
  text-align: right;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.hero-scale-compare__bar {
  height: 14px;
  border-radius: 7px;
  overflow: hidden;
  position: relative;
}
.hero-scale-compare__bar--default {
  background: var(--accent-soft);
}
.hero-scale-compare__bar--graph {
  background: var(--accent-2-soft);
}
.hero-scale-compare__fill {
  position: absolute;
  inset: 0;
  border-radius: 7px;
}
.hero-scale-compare__fill--default {
  background: linear-gradient(90deg, var(--accent) 0%, #e85d3a 100%);
}
.hero-scale-compare__fill--graph {
  right: auto;
  width: 6px;
  background: var(--accent-2);
}
.hero-scale-compare__value {
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
}
.hero-scale-compare__caption {
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin: 0.9rem 0 0 126px;
}
@media (max-width: 700px) {
  .hero-scale-compare__row {
    grid-template-columns: 90px 1fr;
    grid-template-rows: auto auto;
    row-gap: 0.35rem;
    margin-bottom: 1rem;
  }
  .hero-scale-compare__rowlabel {
    grid-column: 1;
    grid-row: 1;
  }
  .hero-scale-compare__bar {
    grid-column: 2;
    grid-row: 1;
  }
  .hero-scale-compare__value {
    grid-column: 2;
    grid-row: 2;
    text-align: left;
  }
  .hero-scale-compare__caption {
    margin-left: 0;
  }
}

/* ---- Hero CTA button ---- */
body.dnd-kg-page .hero-cta {
  margin: 0 0 2.5rem;
}
body.dnd-kg-page a.hero-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.75rem;
  background: var(--accent);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 100px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(194, 65, 12, 0.2);
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
body.dnd-kg-page a.hero-cta__btn:hover {
  background: var(--accent-dim);
  color: #fff;
  transform: translateY(-1px);
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(194, 65, 12, 0.28);
}

/* ---- Problem section ---- */
.section--problem {
  background: var(--color-surface, #ffffff);
  color: #1a1a1a;
}
.section--problem .section-kicker {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-ai, #6c63ff);
  margin: 0 0 0.75rem 0;
  padding: 0;
  line-height: 1;
}
.section--problem .section-title {
  /* Shorts CSS sets section-title white for the dark hero; re-dark it here */
  color: #1a1a1a !important;
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 2rem 0;
  max-width: 900px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section--problem .section-subtitle {
  color: var(--color-text-muted, #4a4a4a) !important;
}
.kg-problem-body {
  max-width: 800px;
}
.kg-problem-body p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #2a2a2a;
  margin: 0 0 1.25rem 0;
}
.kg-problem-punchline {
  font-weight: 600;
  color: var(--color-accent-ai, #6c63ff) !important;
  font-size: 1.1rem !important;
  padding: 1rem 1.25rem;
  background: var(--color-accent-ai-light, #f0eeff);
  border-radius: 8px;
  margin-top: 1.5rem !important;
}

/* ---- Hero Split (graph vs query) ---- */

.kg-hero-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin: 3rem 0 2rem;
}

@media (max-width: 880px) {
  .kg-hero-split {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ---- Graph Mockup ---- */

.kg-hero-graph {
  background: rgba(10, 8, 20, 0.92);
  border: 1px solid rgba(108, 99, 255, 0.25);
  border-radius: 16px;
  padding: 1.5rem 1.5rem 1.25rem;
  aspect-ratio: 4 / 5;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.kg-graph-frame {
  flex: 1;
  position: relative;
  min-height: 320px;
}

.kg-graph-nodes {
  position: absolute;
  inset: 0;
}

.kg-graph-edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.kg-graph-edges line {
  stroke: rgba(108, 99, 255, 0.35);
  stroke-width: 0.2;
  vector-effect: non-scaling-stroke;
}

.kg-node {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 2px rgba(10, 8, 20, 0.92), 0 0 16px currentColor;
  cursor: default;
}

.kg-node::after {
  content: attr(data-label);
  position: absolute;
  top: 130%;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: 0.02em;
}

/* Node palette aligned with the live viz.
   Brighter hex values + stronger glows so they pop against the dark frame.
   The villain (character-major) gets a dramatic multi-stop glow. */
.kg-node--pc {
  background: #ff6b6b; color: #ff6b6b;
  width: 18px; height: 18px;
  box-shadow: 0 0 0 2px rgba(10, 8, 20, 0.92), 0 0 18px currentColor, 0 0 32px rgba(255, 107, 107, 0.5);
}
.kg-node--character {
  background: #ff6b6b; color: #ff6b6b;
  width: 14px; height: 14px;
  box-shadow: 0 0 0 2px rgba(10, 8, 20, 0.92), 0 0 14px currentColor;
}
.kg-node--character-major {
  background: #ff4d6d; color: #ff4d6d;
  width: 26px; height: 26px;
  box-shadow:
    0 0 0 3px rgba(10, 8, 20, 0.92),
    0 0 28px currentColor,
    0 0 56px rgba(255, 77, 109, 0.6),
    0 0 96px rgba(255, 77, 109, 0.25);
  animation: kg-pulse 3.5s ease-in-out infinite;
}
@keyframes kg-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(10, 8, 20, 0.92), 0 0 28px currentColor, 0 0 56px rgba(255, 77, 109, 0.6), 0 0 96px rgba(255, 77, 109, 0.25); }
  50%      { box-shadow: 0 0 0 3px rgba(10, 8, 20, 0.92), 0 0 32px currentColor, 0 0 68px rgba(255, 77, 109, 0.7), 0 0 120px rgba(255, 77, 109, 0.35); }
}
.kg-node--character-major::after {
  font-weight: 600;
  color: #ffffff;
  text-shadow: 0 0 8px rgba(10, 8, 20, 0.9);
}
.kg-node--npc {
  background: #4fd6ff; color: #4fd6ff;
  box-shadow: 0 0 0 2px rgba(10, 8, 20, 0.92), 0 0 16px currentColor;
}
.kg-node--event {
  background: #b8b8d0; color: #b8b8d0;
  width: 9px; height: 9px;
  box-shadow: 0 0 0 1.5px rgba(10, 8, 20, 0.92), 0 0 8px currentColor;
}
.kg-node--loc,
.kg-node--location {
  background: #6fecb8; color: #6fecb8;
  width: 14px; height: 14px;
  box-shadow: 0 0 0 2px rgba(10, 8, 20, 0.92), 0 0 14px currentColor;
}
.kg-node--artifact {
  background: #d989ff; color: #d989ff;
  width: 13px; height: 13px;
  box-shadow: 0 0 0 2px rgba(10, 8, 20, 0.92), 0 0 14px currentColor;
}
.kg-node--faction {
  background: #ffd84f; color: #ffd84f;
  width: 14px; height: 14px;
  box-shadow: 0 0 0 2px rgba(10, 8, 20, 0.92), 0 0 14px currentColor;
}

/* Edge accents for particular relationships */
.kg-graph-edges .kg-edge--divine   { stroke: rgba(232, 160, 255, 0.5); }
.kg-graph-edges .kg-edge--artifact { stroke: rgba(232, 160, 255, 0.5); }
.kg-graph-edges .kg-edge--location { stroke: rgba(157, 255, 203, 0.4); }

.kg-graph-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  margin-top: 0.75rem;
  letter-spacing: 0.02em;
}

/* ---- Query / Answer bubbles ---- */

.kg-hero-query {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.kg-query-bubble,
.kg-answer-bubble {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.kg-answer-bubble {
  background: var(--color-accent-ai-light);
  border-color: rgba(108, 99, 255, 0.22);
}

.kg-query-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  background: var(--color-border);
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
}

.kg-query-tag--ai {
  background: var(--color-accent-ai);
  color: #fff;
}

.kg-query-bubble p,
.kg-answer-bubble p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

.kg-answer-bubble p + p { margin-top: 0.6rem; }

.kg-answer-provenance {
  font-size: 0.8rem !important;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ---- Mispronunciation Table ---- */

.kg-mispronunciation-table {
  display: grid;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-surface);
}

.kg-misp-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}

.kg-misp-row:last-child { border-bottom: none; }

.kg-misp-row--header {
  background: var(--color-bg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}

.kg-canonical {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.kg-variants {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 640px) {
  .kg-misp-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

/* ---- Recap explainer (paragraph lead-in before the diagram) ---- */
.kg-recap-explainer {
  margin-bottom: 2rem;
  max-width: 900px;
}
.kg-recap-explainer p {
  color: var(--text-dim, #8888a0);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 12px;
}
.kg-recap-explainer-lead {
  color: #e0e0ef !important;
  font-size: 16px !important;
  font-weight: 500 !important;
}
.kg-recap-explainer em {
  color: var(--color-accent-ai, #6c63ff);
  font-style: italic;
}

/* ---- Recap Chain Diagram ---- */

.kg-recap-flow {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.kg-recap-lane {
  display: grid;
  grid-template-columns: 120px repeat(5, auto) 1fr;
  gap: 0.5rem;
  align-items: center;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.kg-recap-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-learn);
  font-weight: 600;
}

.kg-recap-label--good {
  color: var(--color-accent-ai);
}

.kg-recap-session {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  text-align: center;
  min-width: 80px;
  line-height: 1.3;
}

.kg-recap-session small {
  display: block;
  margin-top: 0.2rem;
  color: var(--color-text-muted);
  font-size: 0.65rem;
}

.kg-recap-session--recap {
  border-color: rgba(108, 99, 255, 0.4);
  background: var(--color-accent-ai-light);
}

.kg-recap-arrow {
  color: var(--color-accent-learn);
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0 0.3rem;
}

.kg-recap-arrow--good {
  color: var(--color-accent-ai);
}

.kg-recap-note {
  grid-column: 2 / -1;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-top: 0.5rem;
  font-style: italic;
}

.kg-recap-note--bad { color: var(--color-accent-learn); }
.kg-recap-note--good { color: var(--color-accent-ai); }

@media (max-width: 880px) {
  .kg-recap-lane {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .kg-recap-note { grid-column: 1; }
}

/* ---- QC Stack ---- */

.kg-qc-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.kg-qc-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.kg-qc-step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent-ai);
  line-height: 1;
}

.kg-qc-step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.kg-qc-step-desc {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}

.kg-qc-step-cost {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.kg-qc-example {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: #fff7ed;
  border: 1px solid #fdba74;
  border-radius: 10px;
}

.kg-qc-example-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c2410c;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.kg-qc-example-body code {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: #7c2d12;
  background: rgba(253, 186, 116, 0.15);
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  line-height: 1.5;
  margin-bottom: 0.6rem;
}

.kg-qc-example-body p {
  font-size: 0.9rem;
  color: var(--color-text);
  margin: 0;
}

/* Info variant (vs warning orange) — used for the merge/dedup example */
.kg-qc-example--info {
  background: var(--color-accent-ai-light, #f0eeff);
  border-color: rgba(108, 99, 255, 0.25);
  margin-top: 1rem;
}
.kg-qc-example-label--info {
  color: var(--color-accent-ai, #6c63ff);
}
.kg-qc-example--info .kg-qc-example-body code {
  color: #3a2f7a;
  background: rgba(108, 99, 255, 0.1);
  white-space: pre;
}

/* ---- Query Flow ---- */

.kg-query-flow {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.kg-query-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  position: relative;
}

.kg-query-step:not(:last-child)::after {
  content: "↓";
  position: absolute;
  bottom: -1.2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 700;
  background: var(--color-bg);
  width: 1.5rem;
  height: 1.5rem;
  line-height: 1.5rem;
  text-align: center;
  border-radius: 50%;
  z-index: 1;
}

.kg-query-step-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  font-weight: 500;
}

.kg-query-step-body {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text);
}

.kg-query-step--answer {
  background: var(--color-accent-ai-light);
  border-color: rgba(108, 99, 255, 0.25);
}

.kg-query-step--highlight {
  background: #fef7e0;
  border-color: #f5d56f;
}

/* ---- Lesson 01 diagram (recap chaining, simple mermaid-ish) ---- */
.kg-lesson-diagram {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: rgba(108, 99, 255, 0.04);
  border: 1px solid rgba(108, 99, 255, 0.12);
  border-radius: 10px;
}
.kg-lesson-diagram-row {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.kg-lesson-diagram-row:last-child { margin-bottom: 0; }
.kg-lesson-node {
  display: inline-block;
  padding: 0.85rem 1.25rem;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, rgba(0,0,0,0.08));
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  text-align: center;
  line-height: 1.4;
  min-width: 240px;
}
.kg-lesson-node small {
  display: block;
  margin-top: 0.3rem;
  color: var(--text-dim, #888);
  font-size: 0.75rem;
}
.kg-lesson-node--primed {
  background: var(--color-accent-ai-light, #f0eeff);
  border-color: var(--color-accent-ai, #6c63ff);
}
.kg-lesson-arrow {
  font-size: 1.5rem;
  color: var(--color-accent-ai, #6c63ff);
  font-weight: 700;
}
.kg-lesson-annotation {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  background: var(--color-accent-ai, #6c63ff);
  color: #fff;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-style: italic;
  max-width: 400px;
}

/* ---- Business Connections Section ---- */

.section--business {
  background: var(--color-surface);
}

.kg-business-intro {
  max-width: 820px;
  font-size: 1.15rem !important;
  line-height: 1.6;
  color: var(--color-text, #1a1a1a) !important;
  font-style: italic;
  padding-left: 1rem;
  border-left: 3px solid var(--color-accent-ai, #6c63ff);
  margin: 1.5rem 0 2rem !important;
}

.kg-business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.kg-business-card {
  padding: 2rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.kg-business-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.kg-business-header {
  margin-bottom: 1.25rem;
}

.kg-business-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  background: var(--color-accent-ai-light);
  color: var(--color-accent-ai);
  font-weight: 600;
}

.kg-business-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 1rem 0;
  color: var(--color-text);
}

.kg-business-card p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text);
  margin: 0 0 0.85rem 0;
}

.kg-business-translate {
  font-size: 0.9rem !important;
  color: var(--color-text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: 1rem !important;
}

.kg-business-translate strong {
  color: var(--color-accent-ai);
}

.kg-business-cta {
  max-width: 700px;
  margin: 3rem auto 0;
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.kg-business-cta p {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-text);
  margin: 0 0 1.5rem 0;
}

.kg-business-cta-btn {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  background: var(--color-accent-ai);
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
}

.kg-business-cta-btn:hover {
  background: #5a51d6;
  transform: translateY(-1px);
}

/* ---- Live Demo Section ---- */

.section--demo {
  background: var(--color-bg);
}

.kg-demo-frame {
  width: 100%;
  height: 70vh;
  min-height: 500px;
  max-height: 800px;
  margin: 2rem 0 1.5rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #0a0814;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

.kg-demo-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.kg-demo-note {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0.5rem 0 1rem;
  max-width: 820px;
}

.kg-demo-suggestions {
  display: block;
  margin-top: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--color-accent-ai);
}

.kg-demo-suggestions em {
  font-style: italic;
}

.kg-demo-fallback {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

.kg-demo-fallback a {
  color: var(--color-accent-ai);
  text-decoration: underline;
}