@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;1,300&family=Lora:ital,wght@0,400;0,500;0,600;1,400&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Common tokens */
  --font-serif: 'Lora', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  /* Defaults to Light Theme - Lavender Dream */
  --bg-primary: #F5F3F7; /* Soft Lavender Tint */
  --bg-secondary: #ECE8F3; /* Lavender Mist */
  --bg-tertiary: #DED9EB; /* Lavender Slate Border */
  --border-color: #DCD6E8;
  --border-hover: #BDAFC8;
  --text-primary: #1E1B4B; /* Deep Violet Slate */
  --text-secondary: #4A4563; /* Muted Violet Slate */
  --text-muted: #847E9E;
  
  --accent: #6D28D9; /* Deep Royal Violet */
  --accent-rgb: 109, 40, 217;
  --accent-soft: rgba(109, 40, 217, 0.08);
  
  --warning: #D97706; /* Amber */
  --warning-soft: rgba(217, 119, 6, 0.08);
  
  --success: #10B981; /* Emerald */
  --success-soft: rgba(16, 185, 129, 0.08);
  
  --danger: #DB2777; /* Crimson Rose */
  --danger-soft: rgba(219, 39, 119, 0.08);
  
  --shadow-sm: 0 2px 8px rgba(30, 27, 75, 0.04);
  --shadow-lg: 0 20px 40px rgba(30, 27, 75, 0.05);
  
  --glow-accent: 0 0 30px rgba(109, 40, 217, 0.1);
  --glow-warning: 0 0 30px rgba(217, 119, 6, 0.1);
}

[data-theme="dark"] {
  --bg-primary: #05070b;
  --bg-secondary: #0c0f17;
  --bg-tertiary: #131825;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --accent: #38bdf8; /* Arctic blue */
  --accent-rgb: 56, 189, 248;
  --accent-soft: rgba(56, 189, 248, 0.1);
  
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.1);
  
  --success: #42A77E;
  --success-soft: rgba(66, 167, 126, 0.1);
  
  --danger: #E07A66;
  --danger-soft: rgba(224, 122, 102, 0.1);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.6);
  
  --glow-accent: 0 0 30px rgba(56, 189, 248, 0.2);
  --glow-warning: 0 0 30px rgba(245, 158, 11, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* --- Layout Utilities --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-hover);
}

/* --- Navigation --- */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(5, 7, 11, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

[data-theme="light"] .nav-header {
  background-color: rgba(255, 255, 255, 0.75);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.nav-brand svg {
  width: 2rem;
  height: 2rem;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.github-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
}

.github-badge:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding-top: 10rem;
  padding-bottom: 6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9; /* Softened slightly for dark overlay blend */
  transition: var(--transition-smooth);
}

[data-theme="dark"] .hero-video {
  opacity: 0.9;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Dark overlay mask that dims the background container port video, protecting the white text overlay */
  background: linear-gradient(180deg, rgba(5, 7, 11, 0.55) 0%, rgba(5, 7, 11, 0.35) 60%, var(--bg-primary) 98%);
  z-index: -1;
  pointer-events: none;
}

[data-theme="dark"] .hero-overlay {
  background: linear-gradient(180deg, rgba(5, 7, 11, 0.65) 0%, rgba(5, 7, 11, 0.45) 60%, var(--bg-primary) 98%);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  max-width: 900px;
  color: #ffffff !important; /* Always white for absolute video readability */
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.8), 0 2px 4px rgba(0, 0, 0, 0.5) !important;
}

[data-theme="dark"] .hero h1 {
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.85), 0 2px 6px rgba(0, 0, 0, 0.6) !important;
}

.hero h1 span.accent-text {
  font-family: var(--font-sans);
  font-style: normal;
  font-weight: 700;
  display: block;
  background: linear-gradient(135deg, #ffd100 0%, #ff9f00 100%) !important; /* Vibrant golden-yellow high-contrast gradient */
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  text-shadow: none !important;
  filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.95)) !important; /* Applies clean shadow behind the gradient clipping */
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.92) !important; /* Always light silver/white */
  max-width: 680px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.8), 0 1px 3px rgba(0, 0, 0, 0.6) !important;
}

[data-theme="dark"] .hero-subtitle {
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.9), 0 1px 4px rgba(0, 0, 0, 0.7) !important;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

/* Assign-To Widget */
.hero-assign {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  position: relative;
  cursor: pointer;
  transition: var(--transition-fast);
}

.hero-assign:hover {
  border-color: var(--accent);
}

.hero-assign-tag {
  color: var(--accent);
  font-weight: 600;
}

.hero-assign-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--warning);
  animation: pulse-ring 1.5s infinite;
}

/* Custom interactive cursor badge follower */
.custom-cursor {
  position: fixed;
  width: 140px;
  padding: 0.5rem 0.8rem;
  background: rgba(var(--accent-rgb), 0.9);
  backdrop-filter: blur(8px);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.9);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

/* --- Thesis Section --- */
.thesis {
  padding: 6rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.thesis-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.thesis-left h2 {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: 2rem;
}

.thesis-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.thesis-right strong {
  color: var(--text-primary);
}

/* --- Emulator/Simulator Section --- */
.simulator-sec {
  padding: 8rem 0;
}

.simulator-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: flex-start;
}

.simulator-content {
  position: sticky;
  top: 8rem;
}

.simulator-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.simulator-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.simulator-tabs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sim-tab-btn {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

.sim-tab-btn.active {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
}

.sim-tab-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.2rem 0.5rem;
  background-color: var(--bg-tertiary);
  border-radius: 4px;
  color: var(--text-muted);
}

.sim-tab-btn.active .sim-tab-num {
  background-color: var(--accent-soft);
  color: var(--accent);
}

.sim-tab-text h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.sim-tab-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* OS Window Emulator */
.osd-window {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
  min-height: 520px;
  display: flex;
  flex-direction: column;
}

.osd-chrome {
  display: flex;
  align-items: center;
  height: 2.75rem;
  background-color: var(--bg-tertiary);
  padding: 0 1rem;
  border-bottom: 1px solid var(--border-color);
  gap: 0.5rem;
}

.osd-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.osd-dot-red { background-color: var(--danger); }
.osd-dot-yellow { background-color: var(--warning); }
.osd-dot-green { background-color: var(--success); }

.osd-address {
  margin-left: 2rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.2rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-grow: 1;
  max-width: 240px;
  text-align: center;
}

.osd-stage {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Scene 1: Composer */
.osd-scene {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.osd-scene.active {
  display: block;
}

.osd-title-sm {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}

.osd-composer {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
}

.osd-type-line {
  font-family: var(--font-mono);
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-right: 2px solid var(--accent);
  white-space: nowrap;
  overflow: hidden;
  width: 0;
}

.osd-composer.typing .osd-type-line {
  animation: typing 3s steps(40, end) forwards, blink-caret 0.75s step-end infinite;
}

.osd-chips {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.osd-chip {
  padding: 0.25rem 0.6rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
}

.osd-arrow {
  color: var(--text-muted);
}

.osd-send-btn {
  margin-left: auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  opacity: 0;
}

.osd-composer.typing .osd-send-btn {
  animation: showSend 0.2s 3.2s forwards;
}

/* Scene 2: Scan & Monitor */
.osd-scan-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.osd-scan-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.osd-scan-left {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.osd-scan-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.osd-scan-val {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.osd-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.status-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.status-tick {
  color: var(--success);
}

/* Scene 3: Disruption Screen */
.osd-disrupt-card {
  border: 1px solid var(--danger);
  background-color: var(--danger-soft);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: var(--glow-warning);
}

.osd-disrupt-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--danger);
  font-weight: 600;
  margin-bottom: 1rem;
}

.osd-disrupt-header svg {
  width: 1.5rem;
  height: 1.5rem;
}

.osd-disrupt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.disrupt-item {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 6px;
}

.disrupt-loc {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--warning);
  margin-bottom: 0.25rem;
}

.disrupt-title {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.disrupt-impact {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Scene 4: Mitigation Engine */
.osd-mitigate-tree {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mitigate-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: var(--transition-fast);
}

.mitigate-option.selected {
  border-color: var(--success);
  background-color: var(--success-soft);
}

.mitigate-info h5 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
  color: var(--text-primary);
}

.mitigate-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.mitigate-stats {
  display: flex;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.mitigate-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.mitigate-stat-label {
  color: var(--text-muted);
}

.mitigate-stat-val {
  font-weight: 600;
}

.mitigate-stat-val.up { color: var(--danger); }
.mitigate-stat-val.ok { color: var(--success); }

/* Scene 5: Execution & Audit Log */
.osd-audit-log {
  background-color: #070a13;
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 1rem;
  height: 250px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.audit-entry {
  display: flex;
  gap: 1rem;
  line-height: 1.4;
}

.audit-ts {
  color: var(--text-muted);
  flex-shrink: 0;
}

.audit-msg {
  flex-grow: 1;
}

.audit-msg .hash { color: var(--accent); }
.audit-msg .success { color: var(--success); }
.audit-msg .warning { color: var(--warning); }

.osd-status-bar {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.osd-stamp {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
  background-color: rgba(16, 185, 129, 0.2);
  border: 1px solid var(--success);
  color: var(--success);
}

/* --- Interactive Storyteller (The Three Acts) --- */
.storyteller {
  padding: 8rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.storyteller-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.storyteller-head h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.storyteller-head p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.theater-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.theater-tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition-fast);
}

.theater-tab-btn.active {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.theater-window {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.theater-canvas-container {
  aspect-ratio: 16/9;
  max-height: 600px;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theater-act {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.theater-act.active {
  opacity: 1;
  visibility: visible;
}

.theater-act svg {
  width: 100%;
  height: 100%;
  max-width: 1000px;
}

/* SVGs Path styling & animations */
.route-line {
  stroke-dasharray: 8 6;
  animation: dash 30s linear infinite;
}

.pulse-circle {
  animation: pulse-glow 2s infinite alternate;
}

.storm-cloud {
  animation: hover-cloud 3s ease-in-out infinite alternate;
}

.theater-canvas-container {
  aspect-ratio: 16/9;
  max-height: 600px;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: radial-gradient(var(--border-hover) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  overflow: hidden;
}

.theater-act {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theater-act.active {
  opacity: 1;
  visibility: visible;
}

.theater-act svg {
  width: 100%;
  height: 100%;
}

/* SVGs Path styling & animations */
.route-line {
  stroke-dasharray: 8 6;
  animation: dash 30s linear infinite;
}

.pulse-circle {
  animation: pulse-glow 2s infinite alternate;
}

.storm-cloud {
  animation: hover-cloud 3s ease-in-out infinite alternate;
}

/* Act Overlays & High-Fidelity Cards */
.ov-title-top {
  position: absolute;
  top: 1.5rem;
  left: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  text-transform: uppercase;
  z-index: 10;
}

.ov-border-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 72%;
  border-left: 1.2px dashed var(--border-hover);
  z-index: 5;
  pointer-events: none;
}

.ov-border-label {
  position: absolute;
  top: 6.5rem;
  left: 73%;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  z-index: 10;
  pointer-events: none;
}

.ov-cards-container {
  position: absolute;
  top: 1.5rem;
  left: 36%;
  display: flex;
  gap: 1.5rem;
  z-index: 10;
}

.ov-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  width: 175px;
  height: 78px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition-smooth);
}

[data-theme="light"] .ov-card {
  background-color: #ffffff;
  border-color: #000000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.ov-card.dimmed {
  opacity: 0.45;
  filter: grayscale(40%);
}

.ov-card .price {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

[data-theme="light"] .ov-card .price {
  color: #000000;
}

.ov-card .meta {
  font-size: 0.68rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ov-stamp {
  position: absolute;
  bottom: -0.6rem;
  left: -0.4rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-width: 1.5px;
  border-style: solid;
  border-radius: 4px;
  background-color: var(--bg-primary);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  pointer-events: none;
  z-index: 12;
  transition: var(--transition-smooth);
  opacity: 0;
  transform: scale(0.9) rotate(0deg);
}

.ov-stamp.show {
  opacity: 1;
}

.ov-stamp.red {
  color: #E07A66;
  border-color: #E07A66;
  transform: scale(1) rotate(-6deg);
}

.ov-stamp.green {
  color: #42A77E;
  border-color: #42A77E;
  transform: scale(1) rotate(5deg);
}

.ov-stamp.amber {
  color: var(--warning);
  border-color: var(--warning);
  transform: scale(1) rotate(-4deg);
}

[data-theme="light"] .ov-stamp {
  background-color: #ffffff;
}

.ov-twin {
  position: absolute;
  bottom: 1.5rem;
  left: 2rem;
  background-color: #0c0f17;
  border: 1.5px solid #1e293b;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  width: 260px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #cbd5e1;
  z-index: 10;
  box-shadow: var(--shadow-lg);
  text-align: left;
  transition: var(--transition-smooth);
  line-height: 1.4;
}

.ov-twin .ph {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--success);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.ov-twin div {
  margin-bottom: 0.2rem;
}

.ov-twin span.ok {
  color: var(--success);
}


.theater-caption {
  padding: 2rem;
  background-color: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-primary);
  text-align: center;
  line-height: 1.6;
  min-height: 6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theater-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.theater-control-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: var(--transition-fast);
}

.theater-control-btn:hover {
  background-color: var(--bg-tertiary);
}

.theater-progress {
  flex-grow: 1;
  margin: 0 2rem;
  height: 4px;
  background-color: var(--border-color);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.theater-progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 0%;
  background-color: var(--accent);
  transition: width 0.1s linear;
}

/* --- The Resilience Layer (Network Grid) --- */
.resilience-sec {
  padding: 8rem 0;
  border-top: 1px solid var(--border-color);
}

.resilience-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: center;
}

.resilience-content h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.resilience-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.resilience-canvas {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  aspect-ratio: 1.2/1;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.network-svg {
  width: 100%;
  height: 100%;
}

.network-node {
  fill: var(--bg-primary);
  stroke: var(--border-color);
  stroke-width: 2;
  cursor: pointer;
  transition: var(--transition-fast);
}

.network-node:hover {
  stroke: var(--accent);
  fill: var(--accent-soft);
  filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), 0.5));
}

.network-node-label {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--text-secondary);
  text-anchor: middle;
  pointer-events: none;
}

.network-edge {
  stroke: var(--border-color);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
  transition: var(--transition-fast);
}

.network-edge.active {
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: none;
}

/* --- FAQ / Pricing Accordion Section --- */
.faq-sec {
  padding: 8rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-head {
  text-align: center;
  margin-bottom: 4rem;
}

.faq-head h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.faq-head p {
  color: var(--text-secondary);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-primary);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
}

.faq-trigger svg {
  transition: transform 0.3s ease;
  color: var(--text-secondary);
}

.faq-item.open .faq-trigger svg {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Footer --- */
.footer {
  padding: 5rem 0 3rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Animations Keyframes --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(249, 115, 22, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
}

@keyframes typing {
  from { width: 0 }
  to { width: 100% }
}

@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: var(--accent); }
}

@keyframes showSend {
  to { opacity: 1; }
}

@keyframes dash {
  to { stroke-dashoffset: -1000; }
}

@keyframes pulse-glow {
  from { filter: drop-shadow(0 0 2px rgba(var(--accent-rgb), 0.3)); }
  to { filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), 0.7)); }
}

@keyframes hover-cloud {
  from { transform: translateY(0); }
  to { transform: translateY(-4px); }
}

/* Responsive CSS */
@media (max-width: 968px) {
  .thesis-container,
  .simulator-grid,
  .resilience-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  
  .nav-links {
    display: none; /* simple burger menu / mobile can be done if needed, but keeping simple responsive links hidden or stacked */
  }
  
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .theater-canvas-container {
    aspect-ratio: 4/3;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-ctas {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }
  
  }
}

/* Protocol Grid Node Styling & Ocean Playground */
.protocol-ocean {
  background-color: var(--bg-secondary) !important; /* Blends with landing page */
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px) !important;
  background-size: 20px 20px !important;
  border: 1px solid var(--border-color) !important;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.choke-land {
  fill: var(--bg-primary); /* Clean off-white landmasses */
  stroke: var(--border-color); /* Light wisteria border */
  stroke-width: 1.5px;
  transition: var(--transition-smooth);
}

[data-theme="dark"] .choke-land {
  fill: var(--bg-tertiary); /* Dark slate-navy land for dark theme */
  stroke: var(--border-color);
}

.trade-route-line {
  stroke: var(--accent) !important; /* Royal purple path */
  stroke-width: 1.8px;
  fill: none;
  stroke-dasharray: 4 4; /* Digital dashed path */
  transition: var(--transition-smooth);
  opacity: 0.65;
}

[data-theme="dark"] .trade-route-line {
  stroke: var(--accent) !important;
  opacity: 0.8;
}

.port-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  fill: var(--text-secondary);
  text-shadow: 0 1px 3px var(--bg-primary), 0 -1px 3px var(--bg-primary); /* Blend shadow with ocean background color */
  transition: var(--transition-fast);
  letter-spacing: 0.05em;
}

[data-theme="dark"] .port-label {
  fill: var(--text-secondary);
  text-shadow: 0 1px 5px var(--bg-primary);
}

.grid-node-icon {
  opacity: 0.18;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.grid-node-icon text {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: 0 0;
  transform-box: fill-box;
}

.grid-node-icon:hover {
  opacity: 0.85 !important;
}

.grid-node-icon:hover text {
  transform: scale(1.4);
}

.grid-node-icon.active {
  opacity: 1.0;
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.8));
}

.grid-node-icon.active text {
  transform: scale(1.6);
}

/* Ocean Wave Lines styling and horizontal flowing animation */
.ocean-wave-line {
  stroke: rgba(56, 189, 248, 0.12) !important;
  stroke-width: 1.2px;
  fill: none;
  animation: waveFlow 4s linear infinite;
}

[data-theme="light"] .ocean-wave-line {
  stroke: rgba(3, 105, 161, 0.1) !important;
}

@keyframes waveFlow {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-40px); /* wavelength is 40px, so moving -40px creates a seamless looping visual motion */
  }
}
/* Premium Yellow Booking Button matching reference exactly */
.btn-yellow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #ffd100 !important;
  color: #000000 !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 2.2rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: var(--transition-smooth);
  margin-top: 1rem;
  border: none;
  box-shadow: 0 4px 14px rgba(255, 209, 0, 0.35);
  cursor: pointer;
}

.btn-yellow:hover {
  background-color: #f5b800 !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 209, 0, 0.5);
}

.btn-yellow:active {
  transform: translateY(0);
}

/* Interactive Disruption Playbook Flow Styles */
.flow-canvas {
  background-color: var(--bg-primary);
  background-image: radial-gradient(var(--border-color) 1.2px, transparent 1.2px);
  background-size: 16px 16px;
  border: 1.5px solid var(--border-color);
}

.flow-tab-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.55rem 1.2rem;
  border-radius: 9999px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition-fast);
}

.flow-tab-btn.active, .flow-tab-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  background: var(--bg-secondary);
  box-shadow: 0 0 12px rgba(109, 40, 217, 0.05);
}

.flow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-color);
  cursor: pointer;
  transition: var(--transition-fast);
}

.flow-dot.active {
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.flow-speech-bubble {
  position: absolute;
  bottom: 85px;
  width: 280px;
  background: var(--bg-secondary);
  border: 2px solid var(--text-primary) !important;
  border-radius: 16px;
  padding: 0.8rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 500;
  text-align: left;
  line-height: 1.45;
  box-shadow: var(--shadow-md);
}

/* Bubble pointers */
.flow-speech-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 40px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 10px 0 10px;
  border-color: var(--text-primary) transparent transparent transparent;
}

.flow-speech-bubble::before {
  content: '';
  position: absolute;
  bottom: -7px;
  left: 41px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 9px 9px 0 9px;
  border-color: var(--bg-secondary) transparent transparent transparent;
  z-index: 10;
}

/* Dark mode overrides for bubble border */
[data-theme="dark"] .flow-speech-bubble {
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .flow-speech-bubble::after {
  border-color: var(--border-color) transparent transparent transparent;
}