/* ═══════════════════════════════════════════════════════════
   MYCO-ACOUSTICS PRESENTATION — DESIGN SYSTEM
   Aesthetic: Bioluminescent Forest · Dark Organic · Industrial
   ═══════════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg-deep:        #080c0a;
  --bg-surface:     #0d1410;
  --bg-card:        #111a14;
  --bg-card-hover:  #162019;
  --bg-glass:       rgba(13, 20, 16, 0.85);

  --accent-green:   #7fff5a;
  --accent-green-dim: #4db83a;
  --accent-green-glow: rgba(127, 255, 90, 0.15);
  --accent-amber:   #f5a623;
  --accent-amber-dim: #c4841a;
  --accent-amber-glow: rgba(245, 166, 35, 0.15);
  --accent-red:     #ff4d4d;
  --accent-blue:    #5af0ff;

  --text-primary:   #e8f0e4;
  --text-secondary: #8fa88a;
  --text-muted:     #4a5e47;
  --text-on-dark:   #c8dcc4;

  --border-subtle:  rgba(127, 255, 90, 0.08);
  --border-glow:    rgba(127, 255, 90, 0.25);
  --border-amber:   rgba(245, 166, 35, 0.25);

  --font-display:   'Bricolage Grotesque', sans-serif;
  --font-body:      'Plus Jakarta Sans', sans-serif;

  --slide-w: 100vw;
  --slide-h: 100vh;

  --transition-slide: 0.7s cubic-bezier(0.77, 0, 0.175, 1);
  --transition-fast:  0.25s ease;
  --transition-med:   0.4s ease;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  cursor: default;
}

/* ═══════════════════════════════════════════════════════════
   AMBIENT CANVAS (Spore Particles)
   ═══════════════════════════════════════════════════════════ */
#spore-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════
   MYCELIUM OVERLAY
   ═══════════════════════════════════════════════════════════ */
.mycelium-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 90%, rgba(127,255,90,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 90% 10%, rgba(245,166,35,0.04) 0%, transparent 60%);
}

/* ═══════════════════════════════════════════════════════════
   PROGRESS BAR
   ═══════════════════════════════════════════════════════════ */
.progress-bar-container {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(127,255,90,0.1);
  z-index: 100;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green-dim), var(--accent-green));
  transition: width var(--transition-med);
  box-shadow: 0 0 8px var(--accent-green);
  width: 5%;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE COUNTER & SECTION LABEL
   ═══════════════════════════════════════════════════════════ */
.slide-counter {
  position: fixed;
  top: 24px; right: 32px;
  z-index: 100;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
#current-slide { color: var(--accent-green); font-size: 16px; }
.counter-divider { color: var(--text-muted); }

.section-label {
  position: fixed;
  top: 24px; left: 32px;
  z-index: 100;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 5px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  background: rgba(8,12,10,0.6);
  backdrop-filter: blur(8px);
  transition: all var(--transition-med);
}

/* ═══════════════════════════════════════════════════════════
   STAGE & 3D PERSPECTIVE
   ═══════════════════════════════════════════════════════════ */
.stage {
  position: fixed;
  inset: 0;
  z-index: 10;
  perspective: 1200px;
  perspective-origin: 50% 50%;
  overflow: hidden;
}

.slides-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE BASE STYLES
   ═══════════════════════════════════════════════════════════ */
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 80px 80px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(100%) rotateY(15deg) scale(0.92);
  transform-origin: left center;
  transform-style: preserve-3d;
  transition:
    transform var(--transition-slide),
    opacity var(--transition-slide);
  will-change: transform, opacity;
}

.slide.active {
  opacity: 1;
  pointer-events: all;
  transform: translateX(0) rotateY(0deg) scale(1);
}

.slide.prev {
  opacity: 0;
  transform: translateX(-100%) rotateY(-15deg) scale(0.92);
  transform-origin: right center;
}

/* Slide inner container */
.slide-inner {
  width: 100%;
  max-width: 1200px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
  position: relative;
}

/* ═══════════════════════════════════════════════════════════
   SHARED SLIDE COMPONENTS
   ═══════════════════════════════════════════════════════════ */

/* Slide header */
.slide-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slide-number-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-green-dim);
  opacity: 0.7;
}

.section-badge {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-amber);
  opacity: 0.8;
}

.slide-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* Highlight spans */
.highlight-green {
  color: var(--accent-green);
  font-weight: 600;
}
.highlight-amber {
  color: var(--accent-amber);
  font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 1: TITLE
   ═══════════════════════════════════════════════════════════ */
.slide-title {
  background:
    radial-gradient(ellipse 100% 80% at 50% 50%, rgba(127,255,90,0.05) 0%, transparent 70%),
    var(--bg-deep);
}

.title-bg-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(127,255,90,0.06) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

.slide-title .slide-inner {
  align-items: center;
  text-align: center;
  gap: 20px;
}

.myco-icon-large {
  width: 160px; height: 160px;
  animation: rotate-slow 20s linear infinite;
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.title-eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-amber);
  opacity: 0.8;
}

.main-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  background: linear-gradient(135deg, var(--accent-green) 0%, #b8ff9a 40%, var(--accent-amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(127,255,90,0.3));
}

.title-separator {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 300px;
}
.title-separator span:first-child,
.title-separator span:last-child {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow));
}
.title-separator span:last-child {
  background: linear-gradient(90deg, var(--border-glow), transparent);
}
.sep-diamond {
  color: var(--accent-amber);
  font-size: 10px;
  flex: none !important;
  height: auto !important;
  background: none !important;
}

.sub-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.title-subtitle {
  font-family: var(--font-body);
  font-size: clamp(13px, 1.5vw, 16px);
  color: var(--text-muted);
  max-width: 500px;
  line-height: 1.6;
}

.title-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}
.footer-tag {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 4px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
}
.footer-divider { color: var(--border-subtle); }

/* ═══════════════════════════════════════════════════════════
   SLIDE 2: MISSION
   ═══════════════════════════════════════════════════════════ */
.slide-mission { background: var(--bg-deep); }

.mission-content {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
}

.cycle-diagram {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.cycle-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 16px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  min-width: 90px;
  transition: all var(--transition-med);
  animation: float-node 3s ease-in-out infinite;
}
.cycle-node:nth-child(3) { animation-delay: 0.5s; }
.cycle-node:nth-child(5) { animation-delay: 1s; }

@keyframes float-node {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.cycle-node:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  box-shadow: 0 0 20px var(--accent-green-glow);
}

.node-icon { font-size: 28px; }
.cycle-node span { font-size: 11px; font-weight: 600; color: var(--text-secondary); text-align: center; }
.cycle-arrow { font-size: 20px; color: var(--accent-green-dim); opacity: 0.6; }

.mission-text-block { display: flex; flex-direction: column; gap: 24px; }

.mission-statement {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.7;
  color: var(--text-on-dark);
}

.mission-pillars {
  display: flex;
  gap: 12px;
}
.pillar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.pillar:hover {
  border-color: var(--border-glow);
  color: var(--accent-green);
}
.pillar-icon { font-size: 16px; }

/* ═══════════════════════════════════════════════════════════
   SLIDES 3 & 4: CRISIS
   ═══════════════════════════════════════════════════════════ */
.slide-crisis { background: var(--bg-deep); }

.crisis-content {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: center;
}

.fire-visual {
  display: flex;
  justify-content: center;
}
.fire-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px;
  border-radius: 20px;
  border: 1px solid rgba(255,77,77,0.2);
  background: rgba(255,77,77,0.05);
  text-align: center;
}
.fire-icon { font-size: 48px; }
.fire-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent-red);
  line-height: 1;
}
.fire-label { font-size: 12px; color: var(--text-muted); }

.bullet-list { display: flex; flex-direction: column; gap: 20px; }

.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}
.bullet-item:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}
.bullet-item p { font-size: 15px; line-height: 1.6; color: var(--text-on-dark); }

.bullet-marker {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}
.bullet-marker.danger { background: var(--accent-red); box-shadow: 0 0 8px rgba(255,77,77,0.5); }
.bullet-marker.warning { background: var(--accent-amber); box-shadow: 0 0 8px rgba(245,166,35,0.5); }
.bullet-marker.good { background: var(--accent-green); box-shadow: 0 0 8px rgba(127,255,90,0.5); }

/* Waste stats (slide 4) */
.waste-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.waste-card {
  padding: 24px;
  border-radius: 16px;
  border: 1px solid rgba(255,77,77,0.15);
  background: rgba(255,77,77,0.04);
  display: flex;
  align-items: center;
  gap: 20px;
}
.waste-icon { font-size: 32px; }
.waste-years {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-red);
  line-height: 1;
  min-width: 80px;
}
.waste-label { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.waste-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.urgency-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-radius: 12px;
  border: 1px solid rgba(245,166,35,0.3);
  background: rgba(245,166,35,0.06);
}
.urgency-icon { font-size: 24px; }
.urgency-banner p { font-size: 15px; line-height: 1.5; color: var(--text-on-dark); }

/* ═══════════════════════════════════════════════════════════
   SLIDES 5, 7: BIO
   ═══════════════════════════════════════════════════════════ */
.slide-bio { background: var(--bg-deep); }

.bio-content {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
}

.mycelium-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
}
.network-svg {
  width: 280px; height: 200px;
  filter: drop-shadow(0 0 20px rgba(127,255,90,0.2));
}
.network-line {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: draw-line 2s ease forwards;
}
.network-line:nth-child(2) { animation-delay: 0.1s; }
.network-line:nth-child(3) { animation-delay: 0.2s; }
.network-line:nth-child(4) { animation-delay: 0.3s; }
.network-line:nth-child(5) { animation-delay: 0.4s; }
.network-line:nth-child(6) { animation-delay: 0.5s; }

@keyframes draw-line {
  to { stroke-dashoffset: 0; }
}

.pulse-node {
  animation: pulse-node 2s ease-in-out infinite;
}
@keyframes pulse-node {
  0%, 100% { r: 12; opacity: 0.9; }
  50% { r: 16; opacity: 0.6; }
}

.bio-text { display: flex; flex-direction: column; gap: 24px; }
.bio-description { font-size: 16px; line-height: 1.7; color: var(--text-on-dark); }

.bio-facts {
  display: flex;
  gap: 16px;
}
.bio-fact {
  flex: 1;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  text-align: center;
}
.fact-number {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-green);
  line-height: 1;
}
.fact-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* Pine needles (slide 7) */
.pine-content {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: center;
}
.pine-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.pine-icon-large {
  font-size: 80px;
  filter: drop-shadow(0 0 20px rgba(127,255,90,0.3));
  animation: float-node 4s ease-in-out infinite;
}
.pine-label {
  font-size: 12px;
  font-style: italic;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.pine-bullets { display: flex; flex-direction: column; gap: 20px; }
.pine-bullet {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}
.pine-bullet:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateX(4px);
  box-shadow: 0 0 20px var(--accent-green-glow);
}
.pine-bullet-icon { font-size: 24px; flex-shrink: 0; }
.pine-bullet-text { font-size: 15px; line-height: 1.6; color: var(--text-on-dark); }

/* ═══════════════════════════════════════════════════════════
   SLIDE 6: SCIENCE
   ═══════════════════════════════════════════════════════════ */
.slide-science { background: var(--bg-deep); }

.science-content { display: flex; flex-direction: column; gap: 36px; }

.chemical-equation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.chem-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 28px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  min-width: 130px;
  text-align: center;
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}
.chem-box::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-med);
}
.chem-box.substrate::before { background: radial-gradient(circle at 50% 0%, rgba(127,255,90,0.08), transparent 70%); }
.chem-box.inoculum::before { background: radial-gradient(circle at 50% 0%, rgba(245,166,35,0.08), transparent 70%); }
.chem-box.product::before { background: radial-gradient(circle at 50% 0%, rgba(90,240,255,0.08), transparent 70%); }
.chem-box:hover::before { opacity: 1; }
.chem-box:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }

.chem-icon { font-size: 36px; }
.chem-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}
.chem-sub { font-size: 11px; color: var(--text-muted); line-height: 1.4; }

.chem-plus {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 300;
  color: var(--text-muted);
}

.chem-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.arrow-text { font-size: 10px; color: var(--accent-green-dim); letter-spacing: 0.1em; text-transform: uppercase; }
.arrow-sym {
  font-size: 28px;
  color: var(--accent-green);
  filter: drop-shadow(0 0 8px var(--accent-green));
}

.science-text { display: flex; flex-direction: column; gap: 16px; }
.science-text p { font-size: 16px; line-height: 1.7; color: var(--text-on-dark); }

.formula-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-radius: 10px;
  border: 1px solid var(--border-amber);
  background: rgba(245,166,35,0.06);
  font-family: 'Courier New', monospace;
}
.formula-label { font-size: 12px; color: var(--accent-amber); font-weight: 600; }
.formula-text { font-size: 14px; color: var(--text-primary); }

/* ═══════════════════════════════════════════════════════════
   SLIDE 8: PROCESS OVERVIEW
   ═══════════════════════════════════════════════════════════ */
.slide-process { background: var(--bg-deep); }

.process-overview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 20px 0;
}

.process-step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 24px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  min-width: 160px;
  text-align: center;
  position: relative;
  transition: all var(--transition-med);
  cursor: default;
}
.process-step-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px var(--accent-green-glow);
}

.step-number {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-green-dim);
  opacity: 0.7;
}
.step-icon { font-size: 36px; }
.step-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.step-desc { font-size: 12px; color: var(--text-muted); }

.process-connector {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 4px;
}
.connector-line {
  width: 30px; height: 1px;
  background: linear-gradient(90deg, var(--border-subtle), var(--border-glow));
}
.connector-arrow {
  font-size: 12px;
  color: var(--accent-green-dim);
  opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════
   SLIDES 9–12: STAGE SLIDES
   ═══════════════════════════════════════════════════════════ */
.slide-stage { background: var(--bg-deep); }

.stage-badge {
  position: absolute;
  top: 0; right: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-amber);
  padding: 6px 16px;
  border-radius: 0 0 0 12px;
  border-left: 1px solid var(--border-amber);
  border-bottom: 1px solid var(--border-amber);
  background: rgba(245,166,35,0.06);
}

.stage-content {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: center;
}

.stage-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.stage-icon-large {
  font-size: 80px;
  filter: drop-shadow(0 0 20px rgba(127,255,90,0.3));
  animation: float-node 4s ease-in-out infinite;
}

.stage-temp, .species-tag, .energy-badge {
  padding: 16px 24px;
  border-radius: 12px;
  text-align: center;
}
.stage-temp {
  border: 1px solid var(--border-amber);
  background: rgba(245,166,35,0.06);
}
.temp-value {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-amber);
  line-height: 1;
}
.temp-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.species-tag {
  border: 1px solid var(--border-glow);
  background: rgba(127,255,90,0.05);
}
.species-name {
  font-size: 14px;
  font-style: italic;
  font-weight: 600;
  color: var(--accent-green);
}
.species-common { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.energy-badge {
  border: 1px solid var(--border-glow);
  background: rgba(127,255,90,0.05);
}
.energy-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--accent-green);
  line-height: 1;
}
.energy-label { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.stage-text { display: flex; flex-direction: column; gap: 20px; }
.stage-text > p { font-size: 16px; line-height: 1.7; color: var(--text-on-dark); }

.stage-steps { display: flex; flex-direction: column; gap: 10px; }
.stage-step {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.step-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-green-dim);
  flex-shrink: 0;
}

/* Incubation bar */
.incubation-bar { display: flex; flex-direction: column; gap: 8px; }
.inc-label { font-size: 12px; color: var(--text-muted); }
.inc-track {
  position: relative;
  height: 8px;
  background: var(--bg-card);
  border-radius: 4px;
  overflow: visible;
  border: 1px solid var(--border-subtle);
}
.inc-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green-dim), var(--accent-green));
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent-green);
  animation: grow-bar 2s ease forwards;
}
@keyframes grow-bar {
  from { width: 0; }
}
.inc-markers {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 10px;
  color: var(--text-muted);
}

.conditions-row {
  display: flex;
  gap: 12px;
}
.condition {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Outcome tags */
.outcome-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.outcome-tag {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-glow);
  background: rgba(127,255,90,0.06);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-green);
}

/* ═══════════════════════════════════════════════════════════
   SLIDES 13–14: PERFORMANCE
   ═══════════════════════════════════════════════════════════ */
.slide-performance { background: var(--bg-deep); }

.performance-content { display: flex; flex-direction: column; gap: 32px; }

.nrc-display { display: flex; flex-direction: column; gap: 16px; }
.nrc-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.nrc-range { display: flex; flex-direction: column; gap: 12px; }
.nrc-bar-container { display: flex; flex-direction: column; gap: 6px; }
.nrc-bar-track {
  position: relative;
  height: 12px;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
}
.nrc-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green-dim), var(--accent-green));
  border-radius: 6px;
  box-shadow: 0 0 15px var(--accent-green);
  animation: grow-bar 1.5s ease forwards;
}
.nrc-range-marker {
  position: absolute;
  top: -20px;
  font-size: 10px;
  color: var(--accent-green);
  font-weight: 700;
  transform: translateX(-50%);
}
.nrc-scale {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
}
.nrc-value-display {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nrc-big {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent-green);
}
.nrc-compare { font-size: 13px; color: var(--text-muted); }

.comparison-bars { display: flex; flex-direction: column; gap: 12px; }
.comp-bar-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.comp-label { font-size: 13px; color: var(--text-secondary); min-width: 120px; }
.comp-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-card);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.comp-fill {
  height: 100%;
  border-radius: 4px;
  animation: grow-bar 1.5s ease forwards;
}
.comp-fill.myco { background: linear-gradient(90deg, var(--accent-green-dim), var(--accent-green)); box-shadow: 0 0 8px var(--accent-green); }
.comp-fill.glass { background: linear-gradient(90deg, #5af0ff44, var(--accent-blue)); }
.comp-fill.foam { background: linear-gradient(90deg, rgba(255,77,77,0.4), var(--accent-red)); }
.comp-val { font-size: 13px; font-weight: 700; color: var(--text-secondary); min-width: 30px; }

/* Safety cards (slide 14) */
.safety-content { display: flex; flex-direction: column; gap: 24px; }
.safety-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.safety-card {
  padding: 28px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition-med);
}
.safety-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}
.safety-card.fire:hover { border-color: rgba(255,77,77,0.3); box-shadow: 0 12px 30px rgba(255,77,77,0.1); }
.safety-card.thermal:hover { border-color: var(--border-amber); box-shadow: 0 12px 30px var(--accent-amber-glow); }
.safety-card-icon { font-size: 36px; }
.safety-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}
.safety-card-text { font-size: 14px; line-height: 1.6; color: var(--text-secondary); }

.chitin-note {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-radius: 12px;
  border: 1px solid var(--border-glow);
  background: rgba(127,255,90,0.04);
}
.chitin-icon { font-size: 24px; }
.chitin-note p { font-size: 14px; line-height: 1.5; color: var(--text-secondary); }

/* ═══════════════════════════════════════════════════════════
   SLIDE 15: COMPARISON TABLE
   ═══════════════════════════════════════════════════════════ */
.slide-comparison { background: var(--bg-deep); }

.comparison-table-wrapper {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.comparison-table thead tr {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
  padding: 16px 20px;
  text-align: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}
.comparison-table th:first-child { text-align: left; }

.col-myco { color: var(--accent-green) !important; }
.col-glass { color: var(--accent-blue) !important; }
.col-foam { color: var(--accent-red) !important; }
.col-icon { margin-right: 6px; }

.comparison-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}
.comparison-table tbody tr:last-child { border-bottom: none; }
.comparison-table tbody tr:hover { background: var(--bg-card); }

.comparison-table td {
  padding: 14px 20px;
  text-align: center;
  color: var(--text-secondary);
}
.feature-cell {
  text-align: left !important;
  font-weight: 600;
  color: var(--text-primary) !important;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.badge.good {
  background: rgba(127,255,90,0.12);
  color: var(--accent-green);
  border: 1px solid rgba(127,255,90,0.25);
}
.badge.bad {
  background: rgba(255,77,77,0.1);
  color: var(--accent-red);
  border: 1px solid rgba(255,77,77,0.2);
}
.badge.neutral {
  background: rgba(245,166,35,0.1);
  color: var(--accent-amber);
  border: 1px solid rgba(245,166,35,0.2);
}

/* ═══════════════════════════════════════════════════════════
   SLIDES 16–17: IMPACT
   ═══════════════════════════════════════════════════════════ */
.slide-impact { background: var(--bg-deep); }

/* Circular diagram */
.circular-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.circular-diagram {
  display: flex;
  justify-content: center;
  align-items: center;
}

.circular-ring {
  position: relative;
  width: 280px; height: 280px;
}

.circular-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  text-align: center;
  transition: all var(--transition-med);
  min-width: 90px;
}
.circular-node:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px var(--accent-green-glow);
  transform: scale(1.05);
}
.circular-node.top    { top: 0; left: 50%; transform: translateX(-50%); }
.circular-node.right  { right: 0; top: 50%; transform: translateY(-50%); }
.circular-node.bottom { bottom: 0; left: 50%; transform: translateX(-50%); }
.circular-node.left   { left: 0; top: 50%; transform: translateY(-50%); }

.circular-node:hover.top    { transform: translateX(-50%) scale(1.05); }
.circular-node:hover.right  { transform: translateY(-50%) scale(1.05); }
.circular-node:hover.bottom { transform: translateX(-50%) scale(1.05); }
.circular-node:hover.left   { transform: translateY(-50%) scale(1.05); }

.cn-icon { font-size: 24px; }
.cn-label { font-size: 11px; font-weight: 600; color: var(--text-secondary); line-height: 1.3; }
.cn-label small { color: var(--text-muted); font-weight: 400; }

.circular-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid var(--border-glow);
  background: radial-gradient(circle, rgba(127,255,90,0.1), transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  animation: pulse-glow 3s ease-in-out infinite;
}
.cc-text {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 800;
  color: var(--accent-green);
  line-height: 1.2;
  letter-spacing: 0.05em;
}

.circular-text p { font-size: 16px; line-height: 1.8; color: var(--text-on-dark); }

/* Carbon comparison (slide 17) */
.carbon-content { display: flex; justify-content: center; align-items: center; }
.carbon-comparison {
  display: flex;
  align-items: center;
  gap: 32px;
}
.carbon-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 28px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  min-width: 220px;
  text-align: center;
  transition: all var(--transition-med);
}
.carbon-card.negative {
  border-color: var(--border-glow);
  background: rgba(127,255,90,0.04);
}
.carbon-card.positive {
  border-color: rgba(255,77,77,0.2);
  background: rgba(255,77,77,0.04);
}
.carbon-card:hover { transform: translateY(-6px); }
.carbon-icon { font-size: 40px; }
.carbon-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}
.carbon-arrow {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}
.carbon-arrow.down { color: var(--accent-green); text-shadow: 0 0 15px var(--accent-green); }
.carbon-arrow.up { color: var(--accent-red); text-shadow: 0 0 15px var(--accent-red); }
.carbon-value {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.negative-val { color: var(--accent-green); }
.positive-val { color: var(--accent-red); }
.carbon-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.carbon-vs {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 18: MARKET
   ═══════════════════════════════════════════════════════════ */
.slide-market { background: var(--bg-deep); }

.market-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.market-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 24px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  text-align: center;
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}
.market-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
  opacity: 0;
  transition: opacity var(--transition-med);
}
.market-card:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px var(--accent-green-glow);
}
.market-card:hover::before { opacity: 1; }

.market-icon { font-size: 44px; }
.market-sector {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}
.market-use { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.market-size {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-amber);
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 19: CHALLENGES
   ═══════════════════════════════════════════════════════════ */
.slide-challenges { background: var(--bg-deep); }

.challenges-content { display: flex; flex-direction: column; gap: 24px; }

.challenge-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: all var(--transition-fast);
}
.challenge-row:hover {
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
}

.challenge-side, .solution-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.challenge-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-amber);
}
.solution-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-green);
}
.challenge-text { font-size: 15px; color: var(--text-secondary); line-height: 1.5; }
.solution-text { font-size: 15px; color: var(--text-on-dark); line-height: 1.5; }

.challenge-arrow {
  font-size: 24px;
  color: var(--accent-green-dim);
  opacity: 0.6;
}
.challenge-divider {
  height: 1px;
  background: var(--border-subtle);
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 20: CONCLUSION
   ═══════════════════════════════════════════════════════════ */
.slide-conclusion {
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(127,255,90,0.06) 0%, transparent 60%),
    var(--bg-deep);
}

.conclusion-bg-glow {
  position: absolute;
  width: 800px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(127,255,90,0.05) 0%, transparent 70%);
  bottom: -100px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  animation: pulse-glow 5s ease-in-out infinite;
}

.conclusion-headline {
  font-size: clamp(32px, 5vw, 60px) !important;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.conclusion-content { display: flex; flex-direction: column; gap: 32px; }

.model-shift {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.model-old, .model-new {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 28px;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  text-align: center;
  min-width: 200px;
  transition: all var(--transition-med);
}
.model-old:hover { border-color: rgba(255,77,77,0.3); }
.model-new:hover { border-color: var(--border-glow); box-shadow: 0 0 30px var(--accent-green-glow); }

.model-icon { font-size: 40px; }
.model-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}
.model-sub { font-size: 11px; color: var(--text-muted); }

.model-transform {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.transform-arrow {
  font-size: 28px;
  color: var(--accent-green);
  filter: drop-shadow(0 0 10px var(--accent-green));
}
.transform-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-green-dim);
}

.final-statement {
  padding: 24px 32px;
  border-radius: 16px;
  border: 1px solid var(--border-glow);
  background: rgba(127,255,90,0.04);
  text-align: center;
}
.final-statement p { font-size: 17px; line-height: 1.7; color: var(--text-on-dark); }

.conclusion-footer {
  display: flex;
  justify-content: center;
  gap: 16px;
}
.cf-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 6px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
}

/* ═══════════════════════════════════════════════════════════
   NAVIGATION CONTROLS
   ═══════════════════════════════════════════════════════════ */
.nav-controls {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  border-radius: 50px;
  border: 1px solid var(--border-subtle);
  background: rgba(8,12,10,0.8);
  backdrop-filter: blur(16px);
}

.nav-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.nav-btn svg { width: 16px; height: 16px; }
.nav-btn:hover {
  border-color: var(--border-glow);
  color: var(--accent-green);
  background: var(--bg-card-hover);
  box-shadow: 0 0 15px var(--accent-green-glow);
}
.nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.nav-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  padding: 0;
}
.nav-dot.active {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  width: 20px;
  border-radius: 3px;
}
.nav-dot:hover:not(.active) {
  background: var(--text-secondary);
}

/* Keyboard hint */
.keyboard-hint {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 100;
  font-size: 11px;
  color: var(--text-muted);
  opacity: 1;
  transition: opacity 1s ease;
  pointer-events: none;
}
.keyboard-hint.hidden { opacity: 0; }

/* ═══════════════════════════════════════════════════════════
   SLIDE ENTER ANIMATIONS
   ═══════════════════════════════════════════════════════════ */
.slide.active .slide-header,
.slide.active .mission-content,
.slide.active .crisis-content,
.slide.active .bio-content,
.slide.active .science-content,
.slide.active .pine-content,
.slide.active .process-overview,
.slide.active .stage-content,
.slide.active .performance-content,
.slide.active .safety-content,
.slide.active .comparison-table-wrapper,
.slide.active .circular-content,
.slide.active .carbon-content,
.slide.active .market-grid,
.slide.active .challenges-content,
.slide.active .conclusion-content,
.slide.active .myco-icon-large,
.slide.active .title-content {
  animation: slide-up-fade 0.6s ease forwards;
}

.slide.active .slide-header { animation-delay: 0.1s; opacity: 0; }
.slide.active .mission-content,
.slide.active .crisis-content,
.slide.active .bio-content,
.slide.active .science-content,
.slide.active .pine-content,
.slide.active .process-overview,
.slide.active .stage-content,
.slide.active .performance-content,
.slide.active .safety-content,
.slide.active .comparison-table-wrapper,
.slide.active .circular-content,
.slide.active .carbon-content,
.slide.active .market-grid,
.slide.active .challenges-content,
.slide.active .conclusion-content { animation-delay: 0.25s; opacity: 0; }

.slide.active .myco-icon-large { animation-delay: 0.05s; opacity: 0; }
.slide.active .title-content { animation-delay: 0.15s; opacity: 0; }

@keyframes slide-up-fade {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .slide { padding: 50px 40px 70px; }
  .mission-content,
  .crisis-content,
  .bio-content,
  .pine-content,
  .stage-content,
  .circular-content { grid-template-columns: 1fr; gap: 24px; }
  .process-overview { flex-wrap: wrap; justify-content: center; }
  .market-grid { grid-template-columns: 1fr; }
  .safety-cards { grid-template-columns: 1fr; }
  .chemical-equation { flex-direction: column; }
  .model-shift { flex-direction: column; }
  .carbon-comparison { flex-direction: column; }
}