/* ============================================================================
   EDITORIAL NOIR - World-Class Presentation Theme
   Button-based slide navigation system
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* === Design Tokens === */
:root {
  /* Core palette - warm noir */
  --void: #09090b;
  --obsidian: #0f0f12;
  --charcoal: #18181b;
  --graphite: #27272a;
  --slate: #3f3f46;
  --silver: #71717a;
  --pearl: #a1a1aa;
  --ivory: #e4e4e7;
  --snow: #fafafa;

  /* Accent - warm amber gold */
  --amber: #f59e0b;
  --amber-light: #fbbf24;
  --amber-glow: rgba(245, 158, 11, 0.15);
  --amber-subtle: rgba(245, 158, 11, 0.08);

  /* Secondary accents */
  --emerald: #10b981;
  --rose: #f43f5e;
  --violet: #8b5cf6;
  --cyan: #06b6d4;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Outfit', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* === Base Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  overflow: hidden; /* Prevent scrolling - button nav only */
}

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--ivory);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* Subtle grain texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

/* Hide Quarto title block */
#title-block-header {
  display: none !important;
}

/* === SLIDES - Full Viewport === */
.slide {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: none;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-lg) 12vw;
  background: var(--void);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out-expo);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1;
}

.slide.active {
  display: flex;
  opacity: 1;
  z-index: 10;
}

.slide.slide-enter {
  animation: slideEnter 0.6s var(--ease-out-expo) forwards;
}

@keyframes slideEnter {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Alternate slide backgrounds */
.slide:nth-child(even) {
  background: linear-gradient(180deg, var(--obsidian) 0%, var(--void) 100%);
}

/* === Nested Content - NO height constraints === */
/* CRITICAL: Override any inherited height on nested elements */
section,
.section,
.timeline,
.timeline-item,
.agent-grid,
.agent-card,
.feature-grid,
.feature-card,
.metrics-row,
.metric-card,
.two-column,
.column,
.code-block,
.workflow-diagram,
.workflow-pipeline,
.pipeline-stage,
.pipeline-arrow,
.cascade-diagram,
.hero-content,
.big-quote,
.big-stat,
.comparison-table,
.fairness-results,
.demo-links {
  height: auto !important;
  min-height: auto !important;
  max-height: none !important;
  position: relative;
}

/* === Hero Slides === */
.slide.hero {
  text-align: center;
  align-items: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--amber-subtle), transparent),
    var(--void);
}

.slide.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120vw;
  height: 120vh;
  background: radial-gradient(circle at center, var(--amber-glow) 0%, transparent 50%);
  opacity: 0.5;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1000px;
}

/* === Typography === */
h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--snow);
  margin-bottom: var(--space-md);
}

h1.hero-title {
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--snow) 0%, var(--amber-light) 50%, var(--amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--amber);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

h3 {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 600;
  color: var(--pearl);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

p {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--pearl);
  max-width: 65ch;
  margin-bottom: var(--space-sm);
}

strong {
  color: var(--snow);
  font-weight: 600;
}

em {
  font-style: italic;
  color: var(--amber-light);
}

/* === Inverse Slides === */
.slide.inverse {
  background:
    linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
}

.slide.section-header {
  text-align: center;
  align-items: center;
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, var(--amber-subtle), transparent),
    linear-gradient(180deg, var(--obsidian) 0%, var(--charcoal) 100%);
}

/* === Two Column Layout === */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  width: 100%;
  margin-top: var(--space-md);
}

.column {
  display: flex;
  flex-direction: column;
}

/* === Lists === */
ul, ol {
  list-style: none;
  padding-left: 0;
}

li {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  color: var(--pearl);
  padding: var(--space-xs) 0;
  padding-left: var(--space-md);
  position: relative;
}

li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
}

/* === Blockquotes === */
blockquote {
  border-left: 3px solid var(--amber);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  font-style: italic;
  color: var(--ivory);
  background: var(--amber-subtle);
  padding: var(--space-md);
  border-radius: 0 12px 12px 0;
}

blockquote p {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  margin: 0;
}

/* === Code Blocks === */
pre, code {
  font-family: var(--font-mono);
}

pre {
  background: var(--charcoal);
  border: 1px solid var(--graphite);
  border-radius: 12px;
  padding: var(--space-md);
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.7;
  margin: var(--space-sm) 0;
}

code {
  background: var(--graphite);
  padding: 0.2em 0.5em;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--amber-light);
}

pre code {
  background: transparent;
  padding: 0;
  color: var(--pearl);
}

/* === Tables === */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.95rem;
}

thead {
  border-bottom: 2px solid var(--amber);
}

th {
  font-family: var(--font-body);
  font-weight: 600;
  text-align: left;
  padding: var(--space-sm);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--graphite);
  color: var(--pearl);
}

tbody tr:hover {
  background: var(--amber-subtle);
}

/* === Cards === */
.agent-card, .feature-card, .metric-card {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease-out-expo);
}

.agent-card::before, .feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--amber-subtle) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out-expo);
}

.agent-card:hover, .feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5),
              0 0 30px -10px var(--amber-glow);
}

.agent-card:hover::before, .feature-card:hover::before {
  opacity: 1;
}

.agent-card h3, .feature-card strong {
  color: var(--amber);
  position: relative;
  z-index: 1;
}

.agent-card p, .feature-card p {
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
}

/* === Metric Cards === */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.metric-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
}

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--amber);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

/* === Agent Grid === */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* === Feature Grid === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* === Timeline === */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
  display: flex;
  flex-direction: row;
  gap: var(--space-lg);
  justify-content: center;
  padding: var(--space-md);
}

.timeline::before {
  display: none; /* Hide vertical line for horizontal layout */
}

.timeline-item {
  position: relative;
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  flex: 1;
  max-width: 280px;
  transition: all 0.4s var(--ease-out-expo);
}

.timeline-item:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--amber);
  border-radius: 50%;
  border: 3px solid var(--void);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

.timeline-item:nth-child(2)::before {
  background: var(--violet);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.timeline-item:nth-child(3)::before {
  background: var(--emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.timeline-item h3 {
  color: var(--amber);
  font-size: 0.9rem;
  margin-bottom: var(--space-xs);
  text-align: center;
}

.timeline-item:nth-child(2) h3 {
  color: var(--violet);
}

.timeline-item:nth-child(3) h3 {
  color: var(--emerald);
}

.timeline-item p, .timeline-item li {
  font-size: 0.9rem;
}

/* === Workflow Pipeline === */
.workflow-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
  padding: var(--space-md) 0;
}

.pipeline-stage {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 12px;
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  min-width: 120px;
  transition: all 0.3s var(--ease-out-expo);
}

.pipeline-stage:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
}

.stage-icon {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.pipeline-stage h3 {
  color: var(--amber);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.pipeline-stage p {
  color: var(--silver);
  font-size: 0.8rem;
  margin: 0;
}

.pipeline-arrow {
  color: var(--amber);
  font-size: 1.5rem;
  font-weight: bold;
  opacity: 0.7;
}

/* === Big Quote === */
.big-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-style: italic;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  color: var(--ivory);
  line-height: 1.5;
}

.big-quote blockquote {
  border: none;
  background: transparent;
  padding: var(--space-md) 0;
}

/* === Big Stat === */
.big-stat {
  text-align: center;
  padding: var(--space-lg);
  background: var(--amber-subtle);
  border-radius: 16px;
  border: 1px solid var(--amber);
}

.big-stat strong {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 800;
  color: var(--amber);
  display: block;
  line-height: 1;
}

/* === Footnote === */
.footnote {
  font-size: 0.85rem;
  color: var(--silver);
  margin-top: var(--space-lg);
  font-style: italic;
}

/* === Navigation Buttons === */
.slide-nav {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  z-index: 1000;
  background: rgba(9, 9, 11, 0.85);
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  backdrop-filter: blur(12px);
  border: 1px solid var(--graphite);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

.nav-btn {
  background: var(--amber);
  border: none;
  color: var(--void);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-btn:hover {
  transform: scale(1.1);
  background: var(--amber-light);
  box-shadow: 0 0 20px var(--amber-glow);
}

.nav-btn:active {
  transform: scale(0.95);
}

.nav-btn svg {
  stroke: var(--void);
}

.slide-counter {
  color: var(--pearl);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.slide-counter #slide-current {
  color: var(--amber);
  font-weight: 600;
  min-width: 1.5ch;
  text-align: right;
}

.counter-sep {
  color: var(--slate);
}

/* === Progress Bar === */
.slide-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--graphite);
  z-index: 10000;
}

.slide-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
  width: 0%;
  transition: width 0.3s var(--ease-out-expo);
  box-shadow: 0 0 10px var(--amber-glow);
}

/* === Reveal Animations (triggered by JS on slide change) === */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale,
.timeline-item,
.agent-card,
.feature-card,
.metric-card,
.pipeline-stage,
.pipeline-arrow,
.journey-step,
.fallback-source,
.fallback-arrow,
.fallback-label,
.api-group,
.capability-card {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out-expo);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
  transition: all 1.2s var(--ease-out-expo); /* Slower slide from right */
}

.reveal-scale {
  transform: scale(0.9);
}

/* Visible state - triggered by JS */
.visible,
.animate-in {
  opacity: 1 !important;
  transform: translateY(0) translateX(0) scale(1) !important;
}

/* Staggered delays for animations */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* === Images === */
img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.screenshot {
  border: 1px solid var(--graphite);
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.5);
}

figure {
  margin: var(--space-md) 0;
}

figcaption, .figcaption {
  font-size: 0.85rem;
  color: var(--silver);
  text-align: center;
  margin-top: var(--space-xs);
}

/* === Final Slide === */
.slide.final {
  background:
    radial-gradient(ellipse 80% 50% at 50% 120%, var(--amber-subtle), transparent),
    var(--void);
  text-align: center;
  align-items: center;
}

/* === Responsive === */
@media (max-width: 1200px) {
  .slide {
    padding: var(--space-lg) 8vw;
  }

  .agent-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .slide {
    padding: var(--space-md) 6vw;
  }

  .two-column {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .agent-grid,
  .feature-grid,
  .metrics-row {
    grid-template-columns: 1fr;
  }

  .timeline {
    flex-direction: column;
    padding-left: var(--space-md);
  }

  .timeline-item {
    max-width: 100%;
  }

  .slide-nav {
    bottom: 1rem;
    padding: 0.5rem 1rem;
  }

  .nav-btn {
    width: 36px;
    height: 36px;
  }
}

/* === Narrative Text (Origin Story Slides) === */
.narrative-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.narrative-text p {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  line-height: 1.8;
  margin-bottom: var(--space-md);
  color: var(--ivory);
}

.narrative-text .lead-text {
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 500;
  color: var(--snow);
}

/* === Discovery Journey (Data Gaps Slide) === */
.discovery-journey {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 700px;
  margin: var(--space-md) auto;
}

.journey-step {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 12px;
  transition: all 0.3s var(--ease-out-expo);
}

.journey-step.failed {
  border-left: 4px solid var(--rose);
}

.journey-step.success {
  border-left: 4px solid var(--emerald);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, var(--obsidian) 100%);
}

.journey-step .step-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.journey-step .step-content h3 {
  color: var(--ivory);
  font-size: 1.1rem;
  text-transform: none;
  letter-spacing: normal;
  margin-bottom: 0.25rem;
}

.journey-step .step-content p {
  color: var(--silver);
  font-size: 0.95rem;
  margin: 0;
}

/* === Fallback Flowchart === */
.fallback-flowchart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  max-width: 500px;
  margin: var(--space-md) auto;
}

.fallback-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.fallback-source {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 2px solid var(--graphite);
  border-radius: 12px;
  width: 100%;
  transition: all 0.3s var(--ease-out-expo);
}

.fallback-source:hover {
  transform: translateX(5px);
}

.fallback-source .source-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.fallback-source-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.fallback-source h3 {
  color: var(--snow);
  font-size: 1.1rem;
  text-transform: none;
  letter-spacing: normal;
  margin: 0;
  white-space: nowrap;
}

.fallback-source p {
  color: var(--silver);
  font-size: 0.85rem;
  margin: 0;
  white-space: nowrap;
}

.fallback-source .priority-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}

.fallback-source.priority-1 {
  border-color: var(--emerald);
}
.fallback-source.priority-1 .priority-badge {
  background: rgba(16, 185, 129, 0.2);
  color: var(--emerald);
}

.fallback-source.priority-2 {
  border-color: var(--cyan);
}
.fallback-source.priority-2 .priority-badge {
  background: rgba(6, 182, 212, 0.2);
  color: var(--cyan);
}

.fallback-source.priority-3 {
  border-color: var(--violet);
}
.fallback-source.priority-3 .priority-badge {
  background: rgba(139, 92, 246, 0.2);
  color: var(--violet);
}

.fallback-source.priority-4 {
  border-color: var(--amber);
}
.fallback-source.priority-4 .priority-badge {
  background: var(--amber-subtle);
  color: var(--amber);
}

.fallback-arrow {
  color: var(--silver);
  font-size: 1.5rem;
  margin: var(--space-xs) 0;
  opacity: 0.5;
}

.fallback-label {
  font-size: 0.8rem;
  color: var(--slate);
  font-style: italic;
  margin-bottom: var(--space-xs);
}

/* === API Showcase === */
.api-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.api-group {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 12px;
  padding: var(--space-md);
}

.api-group h3 {
  font-size: 1rem;
  color: var(--amber);
  margin-bottom: var(--space-sm);
  text-transform: none;
  letter-spacing: normal;
}

.api-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.api-tag {
  background: var(--graphite);
  color: var(--pearl);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

/* === R Capabilities (Why R Slide) === */
.r-capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.capability-card {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 12px;
  padding: var(--space-md);
  text-align: center;
  transition: all 0.3s var(--ease-out-expo);
}

.capability-card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
}

.capability-card .cap-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.capability-card h3 {
  color: var(--snow);
  font-size: 1rem;
  text-transform: none;
  letter-spacing: normal;
  margin-bottom: var(--space-xs);
}

.capability-card p {
  color: var(--silver);
  font-size: 0.85rem;
  margin: 0;
}

/* === Quarto Preview === */
.quarto-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.report-card {
  background: linear-gradient(145deg, var(--charcoal) 0%, var(--obsidian) 50%, rgba(245, 158, 11, 0.15) 100%);
  border: 2px solid var(--amber);
  border-radius: 24px;
  padding: var(--space-xl) var(--space-lg);
  max-width: 500px;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    0 0 60px -15px var(--amber-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.report-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, var(--amber-subtle) 0%, transparent 50%);
  opacity: 0.5;
  pointer-events: none;
}

.report-card .report-icon {
  font-size: 5rem;
  margin-bottom: var(--space-md);
  display: block;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
  position: relative;
  z-index: 1;
}

.report-card h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--snow);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.report-card > p {
  color: var(--pearl);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.report-link {
  display: inline-block;
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-light) 100%);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  z-index: 1;
  box-shadow:
    0 4px 15px var(--amber-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.report-link:hover {
  background: linear-gradient(135deg, var(--amber-light) 0%, var(--amber) 100%);
  transform: translateY(-3px) scale(1.05);
  box-shadow:
    0 8px 25px var(--amber-glow),
    0 0 40px var(--amber-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.workflow-summary {
  max-width: 700px;
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--space-md) var(--space-lg);
}

.workflow-summary p {
  font-size: 1.15rem;
  color: var(--pearl);
  margin-bottom: var(--space-xs);
}

.workflow-summary p:last-child {
  margin-bottom: 0;
}

/* === Responsive Adjustments for New Elements === */
@media (max-width: 1200px) {
  .api-showcase {
    grid-template-columns: 1fr;
  }

  .r-capabilities {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .r-capabilities {
    grid-template-columns: 1fr;
  }

  .discovery-journey {
    padding: 0 var(--space-sm);
  }

  .fallback-source {
    flex-direction: column;
    text-align: center;
    padding: var(--space-md);
  }

  .fallback-source .priority-badge {
    position: static;
    transform: none;
    margin-top: var(--space-sm);
  }
}

/* === Architecture Diagram (What is a Skill) === */
.architecture-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.arch-box {
  padding: var(--space-sm) var(--space-lg);
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  min-width: 200px;
}

.arch-box.main {
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-light) 100%);
  color: var(--void);
  border: 2px solid var(--amber-light);
  box-shadow: 0 4px 20px var(--amber-glow);
}

.arch-box.skill {
  background: linear-gradient(135deg, var(--emerald) 0%, #34d399 100%);
  color: var(--void);
  border: 2px solid #34d399;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.arch-box.agent {
  background: linear-gradient(135deg, var(--violet) 0%, #a78bfa 100%);
  color: var(--void);
  border: 2px solid #a78bfa;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.arch-arrow {
  color: var(--silver);
  font-size: 1.2rem;
  font-family: var(--font-mono);
}

/* === Agent Flow Diagram (What are Subagents) === */
.agent-flow {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.flow-item {
  padding: var(--space-md);
  border-radius: 12px;
  text-align: center;
}

.flow-item.main-agent {
  background: linear-gradient(135deg, var(--amber-subtle) 0%, var(--obsidian) 100%);
  border: 2px solid var(--amber);
  min-width: 140px;
}

.flow-item.main-agent span {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-xs);
}

.flow-item.main-agent p {
  margin: 0;
  font-size: 0.9rem;
}

.flow-arrows {
  color: var(--amber);
  font-size: 1.5rem;
  letter-spacing: -0.3em;
  opacity: 0.7;
}

.flow-specialists {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.flow-item.specialist {
  background: var(--charcoal);
  border: 1px solid var(--graphite);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.9rem;
}

/* === Constraint List (Why This Demo) === */
.constraint-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.constraint {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--charcoal);
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 500;
}

.constraint:last-child {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--emerald);
  color: var(--emerald);
}

/* === Key Message Quote === */
.key-message {
  background: linear-gradient(135deg, var(--amber-subtle) 0%, transparent 100%);
  border-left: 4px solid var(--amber);
  padding: var(--space-md) var(--space-lg);
  font-size: 1.15rem;
  line-height: 1.6;
  border-radius: 0 12px 12px 0;
}

/* === Capability Question Quote === */
.capability-question {
  background: transparent;
  border: 2px dashed var(--amber);
  border-radius: 12px;
  padding: var(--space-md);
  font-style: normal;
  font-size: 1.2rem;
}

/* === Big Question (transition slides) === */
.big-question {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-style: italic;
  color: var(--amber);
  text-align: center;
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  border: none;
  background: transparent;
}

.lead-text {
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 500;
  color: var(--snow);
}

/* === Dashboard Showcase === */
.dashboard-showcase {
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--obsidian) 100%);
  border: 1px solid var(--graphite);
  border-radius: 16px;
  padding: var(--space-lg);
  text-align: center;
}

.dashboard-showcase h2 {
  color: var(--snow);
  margin-bottom: var(--space-sm);
}

.dashboard-showcase p {
  margin-bottom: var(--space-sm);
}

.dashboard-link {
  display: inline-block;
  background: linear-gradient(135deg, var(--amber) 0%, var(--amber-light) 100%);
  color: var(--void);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 50px;
  text-decoration: none;
  margin-top: var(--space-md);
  transition: all 0.4s var(--ease-out-expo);
  box-shadow: 0 4px 15px var(--amber-glow);
}

.dashboard-link:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px var(--amber-glow);
}

/* === Fairness Summary === */
.fairness-summary {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}

.fairness-item {
  padding: var(--space-sm) var(--space-md);
  background: var(--charcoal);
  border-left: 3px solid var(--rose);
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
}

.fairness-item strong {
  color: var(--rose);
}

/* === Compact Metrics Row === */
.metrics-row.compact {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.metric-card.small {
  padding: var(--space-md);
}

.metric-card.small .metric-value {
  font-size: clamp(2rem, 4vw, 3rem);
}

/* === Compact Feature Grid === */
.feature-grid.compact {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xs);
}

.feature-grid.compact .feature-card {
  padding: var(--space-sm);
  text-align: center;
  background: var(--charcoal);
  border: 1px solid var(--graphite);
  border-radius: 8px;
}

.feature-grid.compact .feature-card p {
  margin: 0;
  font-size: 0.9rem;
}

/* === Data Source Cards (External Data Slide) === */
.data-source-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--graphite);
  border-radius: 12px;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
  transition: all 0.3s var(--ease-out-expo);
}

.data-source-card:hover {
  border-color: var(--emerald);
  background: rgba(16, 185, 129, 0.08);
}

.data-source-card h3 {
  color: var(--emerald);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.data-source-card > p {
  color: var(--silver);
  font-size: 0.85rem;
  margin-bottom: var(--space-xs);
}

.data-source-card ul {
  margin: 0;
  padding-left: 1.5rem;
}

.data-source-card li {
  color: var(--pearl);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

/* === Report Highlights (Quarto Report Slide) === */
.report-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.report-item {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border-left: 3px solid var(--emerald);
  color: var(--pearl);
  font-size: 0.95rem;
  transition: all 0.3s var(--ease-out-expo);
}

.report-item:hover {
  background: rgba(16, 185, 129, 0.1);
  transform: translateX(4px);
}

.report-item strong {
  color: var(--emerald);
}

/* === Animated Fire/Iridescent Text === */
@keyframes fire-shimmer {
  0% {
    background-position: 0% 50%;
    filter: hue-rotate(0deg);
  }
  25% {
    filter: hue-rotate(-15deg);
  }
  50% {
    background-position: 100% 50%;
    filter: hue-rotate(0deg);
  }
  75% {
    filter: hue-rotate(15deg);
  }
  100% {
    background-position: 0% 50%;
    filter: hue-rotate(0deg);
  }
}

@keyframes fire-glow {
  0%, 100% {
    text-shadow: 0 0 7px rgba(255, 107, 53, 0.25), 0 0 14px rgba(255, 107, 53, 0.15);
  }
  50% {
    text-shadow: 0 0 10px rgba(251, 191, 36, 0.35), 0 0 20px rgba(239, 68, 68, 0.2);
  }
}

h1.text-fire,
.text-fire {
  background: linear-gradient(
    90deg,
    #ff6b35,
    #f7c59f,
    #fbbf24,
    #ff6b35,
    #ef4444,
    #fbbf24,
    #f7c59f,
    #ff6b35
  ) !important;
  background-size: 300% 100% !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  animation: fire-shimmer 12s linear infinite, fire-glow 8s ease-in-out infinite !important;
}

.text-iridescent {
  background: linear-gradient(
    90deg,
    #f59e0b,
    #10b981,
    #06b6d4,
    #8b5cf6,
    #f43f5e,
    #f59e0b,
    #10b981,
    #06b6d4
  );
  background-size: 400% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fire-shimmer 6s ease-in-out infinite;
}

/* === Print === */
@media print {
  .slide {
    position: relative;
    display: block !important;
    opacity: 1 !important;
    page-break-after: always;
    height: auto;
    min-height: auto;
  }

  .slide-nav,
  .slide-progress {
    display: none !important;
  }
}