@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@400;600&display=swap');

/* ═══════════════════════════════════════════════════
   DESIGN TOKENS — Biological-Silicon Hybrid System
   ═══════════════════════════════════════════════════ */

:root {
  /* Biological-Silicon Primary Palette */
  --color-silicon-obsidian: #111315;
  --color-chlorophyll-emerald: #0B2B1B;
  --color-petri-ivory: #F7F5EE;
  --color-bioluminescent-phosphor: #39FF14;

  --color-obsidian: #111315;
  --color-emerald: #0B2B1B;
  --color-ivory: #F7F5EE;
  --color-phosphor: #39FF14;

  /* Backward Compatibility Variable Aliases */
  --color-bg-primary: var(--color-silicon-obsidian);
  --color-bg-secondary: #0a110d;
  --color-bg-tertiary: var(--color-chlorophyll-emerald);

  --color-accent-mint: var(--color-bioluminescent-phosphor);
  --color-accent-mint-soft: #70FF56;
  --color-accent-mint-dim: rgba(57, 255, 20, 0.15);

  --color-text-primary: var(--color-petri-ivory);
  --color-text-secondary: #c2c8c4;
  --color-text-tertiary: #6b7770;

  --color-border: rgba(57, 255, 20, 0.2);

  --glow-mint: 0 0 25px rgba(57, 255, 20, 0.4);
  --glow-mint-strong: 0 0 60px rgba(57, 255, 20, 0.6);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-2xl: 10rem;
  --layout-max-width: 1100px;

  /* Typography System */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-fallback-space: 'Space Grotesk', sans-serif;
}

/* ═══════════════════════════════════════════════════
   RESET & BASE (Sharp 0px Border Reset)
   ═══════════════════════════════════════════════════ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-radius: 0px !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  background-color: var(--color-silicon-obsidian);
}

body {
  background-color: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ═══════════════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════════════ */

h1, h2, h3 {
  font-family: var(--font-display);
}

h1 {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  text-shadow: 0 4px 30px rgba(0,0,0,0.9);
}

h2 {
  font-size: 2.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  font-weight: 300;
}

p:last-child {
  margin-bottom: 0;
}

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(57, 255, 20, 0.08);
  padding: 0.15em 0.45em;
  border-radius: 0px !important;
  color: var(--color-accent-mint-soft);
}

.accent-text {
  color: var(--color-accent-mint);
  text-shadow: 0 0 20px rgba(57, 255, 20, 0.3);
}

/* ═══════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════ */

.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(17, 19, 21, 0.92);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-nav nav {
  max-width: var(--layout-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo-svg {
  height: 44px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent-mint);
}

/* ═══════════════════════════════════════════════════
   LAYOUT & SECTIONS
   ═══════════════════════════════════════════════════ */

.section-inner {
  max-width: var(--layout-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 2;
}

section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.section-subtitle {
  color: var(--color-text-secondary);
  max-width: 650px;
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

/* ═══════════════════════════════════════════════════
   HERO — Biological Silicon Background
   ═══════════════════════════════════════════════════ */

.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  overflow: hidden;
  background-color: transparent;
}

.hero-content {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.hero-logo {
  width: 440px;
  max-width: 90%;
  margin-bottom: var(--spacing-md);
  display: block;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeInUp 1s ease forwards;
  filter: drop-shadow(0 0 12px rgba(127, 229, 182, 0.25));
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.85;
  color: #cccccc;
  max-width: 620px;
  margin: 0 auto var(--spacing-lg);
  font-weight: 300;
  text-shadow: 0 2px 10px rgba(0,0,0,0.9);
  opacity: 0;
  animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-cta-group,
.pi-cta-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: rgba(11, 43, 27, 0.7);
  color: var(--color-accent-mint);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 0px !important;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  transition: all 0.35s ease;
  opacity: 0;
  animation: fadeInUp 1s ease 0.45s forwards;
}

.cta-button:hover {
  background: rgba(57, 255, 20, 0.15);
  border-color: var(--color-accent-mint);
  box-shadow: var(--glow-mint-strong);
}

.cta-button-secondary {
  background: rgba(17, 19, 21, 0.8);
  color: var(--color-petri-ivory);
  border-color: rgba(247, 245, 238, 0.3);
}

.cta-button-secondary:hover {
  background: rgba(11, 43, 27, 0.6);
  border-color: var(--color-accent-mint);
  color: var(--color-accent-mint);
}

.cta-button-tertiary {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.cta-button-tertiary:hover {
  background: rgba(57, 255, 20, 0.08);
  color: var(--color-accent-mint);
  border-color: var(--color-accent-mint);
}

/* ═══════════════════════════════════════════════════
   SECTION DIVIDERS
   ═══════════════════════════════════════════════════ */

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.25), transparent);
  max-width: var(--layout-max-width);
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════
   VISION SECTION
   ═══════════════════════════════════════════════════ */

.vision-text {
  max-width: 720px;
}

.vision-text p {
  font-size: 1.1rem;
  line-height: 1.9;
}

/* ═══════════════════════════════════════════════════
   GLASS CARDS & CROSSHAIR UTILITIES
   ═══════════════════════════════════════════════════ */

.glass-plane {
  background: rgba(11, 43, 27, 0.35);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 0px !important;
  position: relative;
}

.crosshair-card {
  position: relative;
  background: rgba(11, 43, 27, 0.35);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: var(--spacing-md);
  border-radius: 0px !important;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}

.crosshair-card:hover {
  border-color: var(--color-bioluminescent-phosphor);
  box-shadow: var(--glow-mint);
  transform: translateY(-3px);
}

/* 1px Corner Crosshair Accents */
.crosshair-card::before,
.crosshair-card::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
  z-index: 2;
}

.crosshair-card::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--color-bioluminescent-phosphor);
  border-left: 1px solid var(--color-bioluminescent-phosphor);
}

.crosshair-card::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 1px solid var(--color-bioluminescent-phosphor);
  border-right: 1px solid var(--color-bioluminescent-phosphor);
}

.glass-card {
  background: rgba(11, 43, 27, 0.35);
  border: 1px solid var(--color-border);
  border-radius: 0px !important;
  padding: var(--spacing-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}

.glass-card:hover {
  border-color: var(--color-bioluminescent-phosphor);
  box-shadow: var(--glow-mint);
  transform: translateY(-3px);
}

.specimen-card {
  position: relative;
  overflow: hidden;
}

.specimen-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-accent-mint);
  margin-bottom: var(--spacing-xs);
  opacity: 0.85;
}

/* ═══════════════════════════════════════════════════
   GRIDS
   ═══════════════════════════════════════════════════ */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

/* ═══════════════════════════════════════════════════
   INNER SECTION NETWORK BACKGROUNDS
   ═══════════════════════════════════════════════════ */

.architecture-section,
.tokendamper-section {
  position: relative;
  overflow: hidden;
}

.architecture-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 70%;
  max-width: 950px;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at left center, rgba(0,0,0,1) 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at left center, rgba(0,0,0,1) 30%, transparent 80%);
}

.agents-section,
.public-intelligence-section {
  position: relative;
  overflow: hidden;
}

.agents-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 80%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at right center, rgba(0,0,0,1) 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at right center, rgba(0,0,0,1) 20%, transparent 75%);
}

.agent-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-mint);
  margin-bottom: var(--spacing-xs);
}

/* ═══════════════════════════════════════════════════
   TERMINAL VISUAL DIFF CONTAINER
   ═══════════════════════════════════════════════════ */

.terminal-container {
  margin-top: var(--spacing-lg);
  background: #0d0f11;
  border: 1px solid var(--color-border);
  padding: 0;
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(11, 43, 27, 0.6);
  border-bottom: 1px solid var(--color-border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50% !important;
  display: inline-block;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

.terminal-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent-mint);
  display: flex;
  align-items: center;
  gap: 6px;
}

.heartbeat-dot-mini {
  width: 6px;
  height: 6px;
  background: var(--color-bioluminescent-phosphor);
  border-radius: 50% !important;
  box-shadow: 0 0 8px var(--color-bioluminescent-phosphor);
  display: inline-block;
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  background: #090a0c;
  overflow-x: auto;
}

.terminal-body pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  line-height: 1.6;
}

.terminal-body code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.diff-meta {
  color: #6b7770;
  display: block;
  margin-bottom: 0.5rem;
}

.diff-removed {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
  display: block;
  padding: 0.15rem 0.4rem;
}

.diff-added {
  color: var(--color-bioluminescent-phosphor);
  background: rgba(57, 255, 20, 0.1);
  display: block;
  padding: 0.15rem 0.4rem;
  margin-top: 0.25rem;
}

.diff-info {
  color: #70FF56;
  display: block;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  border-top: 1px dashed rgba(57, 255, 20, 0.2);
  padding-top: 0.5rem;
}

/* ═══════════════════════════════════════════════════
   PUBLIC INTELLIGENCE NODE HEARTBEAT ANIMATION
   ═══════════════════════════════════════════════════ */

.heartbeat-node {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-xs);
  border-top: 1px solid rgba(57, 255, 20, 0.12);
}

.heartbeat-dot {
  position: relative;
  width: 10px;
  height: 10px;
  background-color: var(--color-bioluminescent-phosphor);
  border-radius: 50% !important;
  box-shadow: 0 0 10px var(--color-bioluminescent-phosphor);
  flex-shrink: 0;
}

.heartbeat-dot::after {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border: 1px solid var(--color-bioluminescent-phosphor);
  border-radius: 50% !important;
  animation: radarRipple 1.8s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

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

.heartbeat-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-bioluminescent-phosphor);
  letter-spacing: 0.08em;
}

.heartbeat-metrics {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
}

@keyframes radarRipple {
  0% {
    transform: scale(0.5);
    opacity: 1;
  }
  100% {
    transform: scale(2.8);
    opacity: 0;
  }
}

/* ═══════════════════════════════════════════════════
   REQUEST FLOW ARCHITECTURE DIAGRAM
   ═══════════════════════════════════════════════════ */

.request-flow-container {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  text-align: center;
}

.flow-title {
  margin-bottom: var(--spacing-xs);
}

.flow-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.request-flow-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.flow-node {
  flex: 1;
  background: rgba(11, 43, 27, 0.5);
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm);
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.flow-node:hover {
  border-color: var(--color-bioluminescent-phosphor);
  box-shadow: var(--glow-mint);
  transform: translateY(-2px);
}

.flow-node-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-accent-mint);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}

.flow-node-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-petri-ivory);
}

.flow-node-desc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
}

.flow-connector {
  width: 40px;
  height: 2px;
  background: rgba(57, 255, 20, 0.3);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.flow-pulse {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--color-bioluminescent-phosphor), transparent);
  animation: flowPulse 2s linear infinite;
}

@keyframes flowPulse {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ═══════════════════════════════════════════════════
   TIMELINE / ROADMAP
   ═══════════════════════════════════════════════════ */

.timeline {
  position: relative;
  padding-left: 48px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-border) 0%, rgba(57, 255, 20, 0.4) 50%, var(--color-border) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -48px;
  top: var(--spacing-md);
  width: 12px;
  height: 12px;
  border-radius: 0px !important;
  border: 1px solid var(--color-text-tertiary);
  background: var(--color-bg-primary);
  transition: all 0.3s ease;
  z-index: 1;
}

.timeline-item.completed .timeline-dot {
  border-color: var(--color-accent-mint);
  background: var(--color-accent-mint);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.6);
}

.timeline-item.active .timeline-dot {
  border-color: var(--color-accent-mint);
  background: var(--color-accent-mint);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.6);
  animation: pulse 2.5s ease-in-out infinite;
}

.timeline-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-mint);
  margin-bottom: 0.25rem;
}

/* ═══════════════════════════════════════════════════
   PRINCIPLES SECTION BACKGROUND
   ═══════════════════════════════════════════════════ */

.principles-section {
  position: relative;
  overflow: hidden;
}

.principles-bg {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 70%;
  max-width: 900px;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  pointer-events: none;
  transform: scaleX(-1);
  mask-image: radial-gradient(ellipse at right center, rgba(0,0,0,1) 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at right center, rgba(0,0,0,1) 25%, transparent 80%);
}

/* ═══════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════ */

.site-footer {
  text-align: center;
  padding: var(--spacing-lg) 0;
  color: var(--color-text-tertiary);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.footer-accent {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(57, 255, 20, 0.3), transparent);
  margin-bottom: var(--spacing-lg);
}

/* ═══════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.4);
  }
  50% {
    box-shadow: 0 0 28px rgba(57, 255, 20, 0.8);
  }
}

.fade-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
  }

  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .hero-logo {
    width: 300px;
  }

  section {
    padding: var(--spacing-xl) 0;
  }

  .timeline {
    padding-left: 36px;
  }

  .timeline-dot {
    left: -36px;
  }

  .architecture-bg,
  .principles-bg,
  .agents-bg {
    width: 100%;
    opacity: 0.25;
  }

  .request-flow-diagram {
    flex-direction: column;
  }

  .flow-connector {
    width: 2px;
    height: 30px;
  }

  .flow-pulse {
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--color-bioluminescent-phosphor), transparent);
    animation: flowPulseV 2s linear infinite;
  }
}

@keyframes flowPulseV {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ═══════════════════════════════════════════════════
   MILESTONE 3 INTERACTIVE ENGINE STYLES
   ═══════════════════════════════════════════════════ */

/* 1. Living Background Canvas */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* 2. Specimen Lens Interactive Reticle & Wireframe Overlay */
.specimen-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.specimen-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle 160px at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(57, 255, 20, 0.14) 0%,
    rgba(11, 43, 27, 0.05) 50%,
    transparent 100%
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.specimen-card:hover::before {
  opacity: 1;
}

.specimen-lens-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 2;
  background-image: 
    linear-gradient(rgba(57, 255, 20, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: radial-gradient(circle 140px at var(--mouse-x, 50%) var(--mouse-y, 50%), black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle 140px at var(--mouse-x, 50%) var(--mouse-y, 50%), black 0%, transparent 100%);
}

.specimen-card:hover .specimen-lens-overlay,
.specimen-card.schematic-active .specimen-lens-overlay {
  opacity: 1;
}

.specimen-card.schematic-active {
  border-color: var(--color-bioluminescent-phosphor);
  box-shadow: 0 0 25px rgba(57, 255, 20, 0.25);
}

.specimen-telemetry {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-bioluminescent-phosphor);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 3;
}

.specimen-card:hover .specimen-telemetry,
.specimen-card.schematic-active .specimen-telemetry {
  opacity: 0.85;
}

/* 3. Terminal Diff Tabs & Views */
.terminal-tabs {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(17, 19, 21, 0.7);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}

.diff-toggle {
  background: rgba(11, 43, 27, 0.4);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.25s ease;
  border-radius: 0px;
}

.diff-toggle:hover {
  color: var(--color-petri-ivory);
  border-color: var(--color-bioluminescent-phosphor);
}

.diff-toggle.active {
  background: var(--color-chlorophyll-emerald);
  color: var(--color-bioluminescent-phosphor);
  border-color: var(--color-bioluminescent-phosphor);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.25);
}

.diff-view {
  display: none;
}

.diff-view.active {
  display: block;
}

/* 4. Request Flow Step Highlight & Stage Telemetry */
.flow-node {
  cursor: pointer;
}

.flow-node.active,
.flow-step.active {
  background: rgba(11, 43, 27, 0.85);
  border-color: var(--color-bioluminescent-phosphor);
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.35);
  transform: translateY(-2px);
}

.flow-node.active .flow-node-badge,
.flow-step.active .flow-node-badge {
  color: var(--color-petri-ivory);
  background: var(--color-chlorophyll-emerald);
  padding: 1px 6px;
}

.flow-connector.active {
  background: var(--color-bioluminescent-phosphor);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.7);
}

.flow-connector.active .flow-pulse {
  animation-duration: 0.8s;
}

.flow-stage-detail {
  margin-top: var(--spacing-md);
  padding: 12px 18px;
  background: rgba(17, 19, 21, 0.75);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.flow-stage-badge {
  color: var(--color-bioluminescent-phosphor);
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.flow-stage-text {
  color: var(--color-text-primary);
  line-height: 1.4;
}