/* Agentic OS Control Plane - Author: Nicholas Hidalgo */

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

/* Hero design tokens (connect/ pattern) */
:root {
  --bg:           #000000;
  --bg-alt:       #0a0a0a;
  --surface:      #0f0f11;
  --surface-2:    #131318;
  --border:       #1f2937;
  --border-soft:  rgba(255,255,255,0.06);
  --ink:          #ffffff;
  --ink-muted:    #9ca3af;
  --ink-dim:      #6b7280;
  --accent:       #4f46e5;
  --accent-hov:   #6366f1;
  --accent-soft:  #a5b4fc;
  --gold:         #f4bf63;
  --gold-soft:    #ffd98a;
  --gold-dim:     rgba(244,191,99,0.15);
  --gold-border:  rgba(244,191,99,0.30);
  --blue:         #62b6ff;
  --blue-soft:    #9bd4ff;
  --blue-dim:     rgba(98,182,255,0.12);
  --font-display: 'Raleway', sans-serif;
  --font-body:    'Montserrat', sans-serif;
  --font-mono:    'SFMono-Regular', ui-monospace, Menlo, monospace;
  --max-w:        1120px;
  --pad-x:        32px;
  --radius:       10px;
  --ease:         cubic-bezier(0.25, 1, 0.5, 1);

  /* Deep-dive section tokens */
  --bg-primary: #070913;
  --bg-secondary: #0f132a;
  --bg-tertiary: #161b3d;
  --glass-bg: rgba(15, 19, 42, 0.65);
  --glass-border: rgba(99, 102, 241, 0.12);
  --glass-border-hover: rgba(139, 92, 246, 0.25);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-teal: #14b8a6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px -6px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);

  --font-heading: 'Outfit', sans-serif;

  --sidebar-width: 280px;
}

/* Light Theme Variables */
.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(99, 102, 241, 0.15);
  --glass-border-hover: rgba(99, 102, 241, 0.3);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --accent-blue: #2563eb;
  --accent-indigo: #4f46e5;
  --accent-purple: #7c3aed;
  --accent-teal: #0d9488;
  --accent-emerald: #059669;
  --accent-amber: #d97706;
  --accent-rose: #e11d48;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Background Particle Glows (Web Only) */
.bg-glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.bg-glow-purple {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.07) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  filter: blur(80px);
}

.bg-glow-indigo {
  position: absolute;
  bottom: -15%;
  left: -5%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  filter: blur(100px);
}

/* Layout Wrapper */
.layout-wrapper {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar Navigation */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--glass-border);
  padding: 2.5rem 1.5rem;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transition: background-color 0.4s, border-color 0.4s;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-logo img {
  height: 42px;
  width: auto;
}

.sidebar-logo h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
}

.nav-item a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.nav-item a:hover, .nav-item.active a {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.nav-item.active a {
  border-left: 3px solid var(--accent-indigo);
}

/* Main Content Area */
.main-content {
  margin-left: var(--sidebar-width);
  flex-grow: 1;
  padding: 3rem 4rem 6rem 4rem;
  max-width: 1200px;
}

/* Header Sections */
.doc-header {
  margin-bottom: 4rem;
  text-align: center;
  position: relative;
}

.doc-logo-large {
  display: inline-block;
  margin-bottom: 1.5rem;
  animation: float 6s ease-in-out infinite;
}

.doc-logo-large img {
  width: 90px;
  height: auto;
}

.doc-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--text-primary) 20%, var(--accent-indigo) 60%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.doc-subtitle {
  color: var(--text-secondary);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 2rem;
  font-family: var(--font-heading);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.badge-row img {
  height: 28px;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.badge-row img:hover {
  transform: translateY(-2px);
}

/* Typography & Layout elements */
h2.section-heading {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.75px;
  margin: 4.5rem 0 1.5rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

h2.section-heading::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent-indigo), var(--accent-purple));
  border-radius: 4px;
}

h3.sub-heading {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 2.5rem 0 1rem 0;
  color: var(--text-primary);
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-weight: 400;
}

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

a.doc-link {
  color: var(--accent-indigo);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  border-bottom: 1px dashed var(--accent-indigo);
}

a.doc-link:hover {
  color: var(--accent-purple);
  border-bottom-color: var(--accent-purple);
}

blockquote {
  border-left: 4px solid var(--accent-indigo);
  background-color: var(--bg-secondary);
  padding: 1.25rem 1.75rem;
  margin: 2rem 0;
  border-radius: 0 12px 12px 0;
  font-style: italic;
  box-shadow: var(--shadow-sm);
}

blockquote p {
  margin-bottom: 0;
  color: var(--text-primary);
  font-size: 1.1rem;
}

hr {
  border: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--glass-border), transparent);
  margin: 4rem 0;
}

/* Glassmorphism Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.info-card {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--accent-indigo), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.info-card:hover {
  transform: translateY(-5px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.info-card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
  color: var(--accent-indigo);
  border: 1px solid var(--glass-border);
}

.info-card h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.info-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
  color: var(--text-secondary);
}

/* Premium Custom Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  margin: 2.5rem 0;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
}

table.doc-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

table.doc-table th {
  background-color: var(--bg-secondary);
  padding: 1.25rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--glass-border);
  letter-spacing: -0.2px;
}

table.doc-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

table.doc-table tr:last-child td {
  border-bottom: 0;
}

table.doc-table tr:hover td {
  background-color: rgba(99, 102, 241, 0.03);
  color: var(--text-primary);
}

/* Code Highlights and Blocks */
pre.code-block {
  background-color: #0d1117;
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: 12px;
  overflow-x: auto;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
  position: relative;
}

pre.code-block code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #e6edf3;
  line-height: 1.5;
}

code.inline-code {
  font-family: var(--font-mono);
  background-color: var(--bg-tertiary);
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  font-size: 0.85em;
  color: var(--accent-purple);
  border: 1px solid var(--glass-border);
}

/* Custom Vector Diagrams SVG */
.diagram-container {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  margin: 3rem 0;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.diagram-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.diagram-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.diagram-title span.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.diagram-controls {
  display: flex;
  gap: 0.75rem;
}

.diagram-btn {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.diagram-btn:hover {
  background-color: var(--accent-indigo);
  border-color: var(--accent-indigo);
  color: white;
}

.svg-diagram {
  width: 100%;
  height: auto;
  display: block;
}

/* SVG Elements & Keyframes Styling */
.svg-node-bg {
  fill: #0d1226;
  stroke: var(--glass-border);
  stroke-width: 1.5px;
  rx: 8px;
  transition: all 0.3s ease;
}

.svg-node:hover .svg-node-bg {
  stroke: var(--accent-purple);
  filter: drop-shadow(0 0 6px rgba(139, 92, 246, 0.4));
  fill: #141a3a;
  cursor: pointer;
}

.svg-node-text-title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  fill: var(--text-primary);
}

.svg-node-text-sub {
  font-family: var(--font-body);
  font-size: 10px;
  fill: var(--text-secondary);
}

.svg-subgraph-bg {
  fill: rgba(99, 102, 241, 0.02);
  stroke: rgba(99, 102, 241, 0.15);
  stroke-width: 1px;
  stroke-dasharray: 4, 4;
  rx: 16px;
}

.svg-subgraph-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  fill: var(--accent-indigo);
  letter-spacing: 0.5px;
}

.svg-connection {
  stroke: var(--text-muted);
  stroke-width: 1.5px;
  fill: none;
  stroke-linecap: round;
}

.svg-connection-flow {
  stroke: var(--accent-indigo);
  stroke-width: 2px;
  fill: none;
  stroke-dasharray: 6, 12;
  animation: flow-dash 1.5s linear infinite;
  stroke-linecap: round;
  filter: drop-shadow(0 0 3px var(--accent-indigo));
  opacity: 0.8;
}

.svg-connection-flow-fast {
  stroke: var(--accent-purple);
  stroke-dasharray: 4, 10;
  animation: flow-dash 0.8s linear infinite;
}

.svg-connection-flow-slow {
  stroke: var(--accent-teal);
  stroke-dasharray: 8, 16;
  animation: flow-dash 2.5s linear infinite;
}

.svg-arrow-head {
  fill: var(--text-muted);
}

.svg-arrow-head-flow {
  fill: var(--accent-indigo);
}

@keyframes flow-dash {
  to {
    stroke-dashoffset: -36;
  }
}

/* Paused animation utility */
.animations-paused .svg-connection-flow {
  animation-play-state: paused !important;
}

.animations-paused .doc-logo-large {
  animation-play-state: paused !important;
}

/* Interactive Folder Explorer */
.explorer-container {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  margin: 2.5rem 0;
}

.explorer-header {
  background-color: var(--bg-secondary);
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.explorer-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.explorer-window-dots {
  display: flex;
  gap: 0.4rem;
}

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

.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #eab308; }
.dot-green { background-color: #22c55e; }

.explorer-body {
  padding: 1.5rem;
  max-height: 480px;
  overflow-y: auto;
}

.explorer-tree {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.tree-item {
  margin: 0.35rem 0;
  position: relative;
  transition: all 0.2s ease;
}

.tree-folder {
  color: var(--accent-indigo);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.tree-folder:hover {
  background-color: rgba(99, 102, 241, 0.06);
  color: var(--text-primary);
}

.tree-file {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: help;
  position: relative;
}

.tree-file:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.tree-file-desc {
  color: var(--text-muted);
  margin-left: auto;
  font-size: 0.8rem;
  font-family: var(--font-body);
}

.tree-subtree {
  list-style: none;
  margin-left: 1.5rem;
  border-left: 1px dotted rgba(255, 255, 255, 0.15);
  padding-left: 0.75rem;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  overflow: hidden;
}

.tree-subtree.collapsed {
  display: none;
}

/* Folder/File icons styling */
.tree-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.2s ease;
}

.tree-folder .tree-icon {
  color: var(--accent-indigo);
}

.tree-file .tree-icon {
  color: var(--text-muted);
}

.tree-file.config .tree-icon {
  color: var(--accent-amber);
}

.tree-file.code .tree-icon {
  color: var(--accent-blue);
}

.tree-file.db .tree-icon {
  color: var(--accent-teal);
}

.tree-file.doc .tree-icon {
  color: var(--accent-purple);
}

.controls-btn svg {
  width: 18px;
  height: 18px;
  display: block;
}

.controls-btn.btn-primary svg {
  width: 16px;
  height: 16px;
  margin-right: 4px;
  display: inline-block;
  vertical-align: middle;
}

/* Live Terminal Simulator */
.terminal-container {
  background-color: #080b12;
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  margin: 3rem 0;
}

.terminal-header {
  background-color: #0e1320;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.terminal-title {
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.terminal-body {
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: #38bdf8;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
}

.terminal-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.terminal-prompt {
  color: var(--accent-emerald);
  margin-right: 0.5rem;
}

.terminal-cmd {
  color: var(--text-primary);
  font-weight: 500;
}

.terminal-output {
  color: var(--text-secondary);
  white-space: pre-wrap;
  padding-left: 1rem;
  border-left: 2px solid rgba(255, 255, 255, 0.05);
}

.terminal-cursor {
  width: 8px;
  height: 15px;
  background-color: var(--text-primary);
  display: inline-block;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.terminal-output-alert {
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-left: 4px solid var(--accent-amber);
  border-radius: 4px;
  padding: 1rem;
  margin: 0.5rem 0;
  color: #fbbf24;
}

.terminal-output-success {
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-left: 4px solid var(--accent-emerald);
  border-radius: 4px;
  padding: 1rem;
  margin: 0.5rem 0;
  color: #34d399;
}

/* Floating Controls (Web View Only) */
.controls-floating-panel {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: rgba(15, 19, 42, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 0.75rem 1.5rem;
  border-radius: 100px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  z-index: 100;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.controls-btn {
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.controls-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.controls-btn.btn-primary {
  background-color: var(--accent-indigo);
  color: white;
  width: auto;
  padding: 0 1.25rem;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  gap: 0.5rem;
}

.controls-btn.btn-primary:hover {
  background-color: var(--accent-purple);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
}

.controls-divider {
  width: 1px;
  height: 24px;
  background-color: var(--glass-border);
}

/* Float Animation */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* Hero (from connect/ pattern) */
nav.hero-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-mark {
  width: 32px;
  height: 32px;
  background: var(--ink);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-mark svg { width: 20px; height: 20px; }
.nav-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}
.nav-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-soft);
  padding: 4px 10px;
  border-radius: 999px;
}
.container {
  width: min(var(--max-w), calc(100% - 2 * var(--pad-x)));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 60px;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
  opacity: 0.70;
  z-index: 0;
  pointer-events: none;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.30) 0%,
    rgba(0,0,0,0.50) 60%,
    rgba(15,15,17,1.00) 100%
  );
  z-index: 1;
  pointer-events: none;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 900px 600px at 50% 30%, rgba(79,70,229,0.14), transparent),
    radial-gradient(ellipse 600px 400px at 80% 70%, rgba(244,191,99,0.07), transparent);
  z-index: 2;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: 3;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 4;
  padding: 80px 0 48px;
  width: 100%;
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-kicker::before {
  content: "";
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
  opacity: 0.6;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: var(--ink);
  margin-bottom: 28px;
}
.hero-subhead {
  font-family: var(--font-display);
  font-size: clamp(13px, 2vw, 16px);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 20px;
}
.hero-tagline {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 300;
  color: var(--ink-muted);
  max-width: 620px;
  line-height: 1.65;
  margin-bottom: 16px;
}
.hero-tagline + .hero-tagline { margin-bottom: 48px; }
.hero-tagline strong { color: var(--ink); font-weight: 500; }
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background 200ms var(--ease), transform 150ms var(--ease);
  text-decoration: none;
}
.btn-primary:hover { background: var(--accent-hov); transform: translateY(-1px); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--ink-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), transform 150ms var(--ease);
  text-decoration: none;
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.25);
  color: var(--ink);
  transform: translateY(-1px);
}

/* Project stat bar below CTAs */
.hero-stats {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.hero-stats span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.hero-stats span strong {
  color: var(--ink-muted);
  font-weight: 600;
}

@media (max-width: 640px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-stats { flex-direction: column; gap: 12px; }
}

/* PDF PRINT STYLING (@media print) */
@media print {
  /* Force light theme colors for printing */
  :root {
    --bg-primary: #ffffff !important;
    --bg-secondary: #f8fafc !important;
    --bg-tertiary: #f1f5f9 !important;
    --glass-bg: #ffffff !important;
    --glass-border: #cbd5e1 !important;
    
    --text-primary: #0f172a !important;
    --text-secondary: #334155 !important;
    --text-muted: #64748b !important;
    
    --accent-indigo: #1e3a8a !important; /* Rich corporate dark blue for headings */
    --accent-purple: #4338ca !important;
    
    --shadow-sm: none !important;
    --shadow-md: none !important;
    --shadow-lg: none !important;
    --shadow-glow: none !important;
  }
  
  /* Disable layout scrolls and margins */
  body {
    background-color: #ffffff !important;
    color: #0f172a !important;
    font-size: 11pt !important;
    line-height: 1.5 !important;
  }

  /* Page Geometry Settings */
  @page {
    size: letter;
    margin: 1.8cm 1.5cm 1.8cm 1.5cm;
    @bottom-right {
      content: counter(page);
    }
  }

  /* Hide Sidebar & Background Decor */
  .sidebar,
  .bg-glow-container,
  .controls-floating-panel,
  .diagram-controls,
  .explorer-header .explorer-window-dots,
  .terminal-header,
  .sidebar-logo,
  button {
    display: none !important;
  }

  /* Expand content to full page width */
  .main-content {
    margin-left: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
  }

  /* Calibrate Header */
  .doc-header {
    margin-top: 1cm;
    margin-bottom: 2.5cm;
    page-break-after: avoid;
  }

  .doc-title {
    font-size: 28pt !important;
    color: #1e3a8a !important;
    background: none !important;
    -webkit-text-fill-color: initial !important;
  }

  .doc-subtitle {
    font-size: 14pt !important;
    color: #475569 !important;
  }

  /* Header Badge fallback */
  .badge-row img {
    filter: grayscale(1) !important;
    border: 1px solid #cbd5e1 !important;
  }

  /* Heading rules and breaks */
  h2.section-heading {
    font-size: 18pt !important;
    margin-top: 2.5cm !important;
    margin-bottom: 0.8cm !important;
    border-bottom: 1.5px solid #1e3a8a !important;
    page-break-after: avoid;
    break-after: avoid;
    display: block !important;
  }

  h2.section-heading::before {
    display: none !important;
  }

  h3.sub-heading {
    font-size: 13pt !important;
    margin-top: 1.2cm !important;
    margin-bottom: 0.5cm !important;
    page-break-after: avoid;
    break-after: avoid;
  }

  p {
    font-size: 11pt !important;
    margin-bottom: 1rem !important;
    orphans: 3;
    widows: 3;
  }

  /* Page split avoidance */
  .info-card, 
  .table-container,
  .diagram-container,
  .explorer-container,
  .terminal-container,
  pre.code-block,
  blockquote,
  table.doc-table tr {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  /* Forces page breaks before massive logical blocks */
  #architecture,
  #getting-started,
  #skill-system,
  #audit-log,
  #tests {
    page-break-before: always !important;
    break-before: always !important;
  }

  /* Tables Styling for printing */
  .table-container {
    border: 1px solid #94a3b8 !important;
    background-color: #ffffff !important;
    box-shadow: none !important;
  }

  table.doc-table th {
    background-color: #f1f5f9 !important;
    color: #0f172a !important;
    border-bottom: 1.5px solid #475569 !important;
    font-size: 10pt !important;
  }

  table.doc-table td {
    color: #1e293b !important;
    border-bottom: 1px solid #e2e8f0 !important;
    font-size: 9.5pt !important;
  }

  /* Code Formatting */
  pre.code-block {
    background-color: #f8fafc !important;
    border: 1px solid #cbd5e1 !important;
    padding: 1.2rem !important;
    box-shadow: none !important;
  }

  pre.code-block code {
    color: #0f172a !important;
    font-size: 8.5pt !important;
  }

  code.inline-code {
    background-color: #f1f5f9 !important;
    color: #4338ca !important;
    border: 1px solid #e2e8f0 !important;
  }

  /* Diagram printing adjustments (render as vector line arts) */
  .diagram-container {
    border: 1px solid #94a3b8 !important;
    background-color: #ffffff !important;
    box-shadow: none !important;
    padding: 1.5rem !important;
  }

  .diagram-title {
    color: #0f172a !important;
  }

  .diagram-title span.pulse-dot {
    background-color: #475569 !important;
    box-shadow: none !important;
  }

  /* Recalibrating Custom SVG colors in diagrams for physical print */
  .svg-node-bg {
    fill: #f8fafc !important;
    stroke: #475569 !important;
    stroke-width: 1.5px !important;
  }

  .svg-node-text-title {
    fill: #0f172a !important;
  }

  .svg-node-text-sub {
    fill: #475569 !important;
  }

  .svg-subgraph-bg {
    fill: #f1f5f9 !important;
    stroke: #94a3b8 !important;
  }

  .svg-subgraph-label {
    fill: #1e3a8a !important;
  }

  .svg-connection {
    stroke: #64748b !important;
    stroke-width: 1.5px !important;
  }

  .svg-connection-flow {
    /* Set flows to dark static dashes for print readability */
    stroke: #1e3a8a !important;
    animation: none !important;
    stroke-width: 1.5px !important;
    filter: none !important;
  }

  .svg-arrow-head {
    fill: #64748b !important;
  }

  .svg-arrow-head-flow {
    fill: #1e3a8a !important;
  }

  /* Explorer layout printing adjustments */
  .explorer-container {
    border: 1px solid #94a3b8 !important;
    background-color: #ffffff !important;
    box-shadow: none !important;
  }

  .explorer-body {
    max-height: none !important;
  }

  .tree-folder {
    color: #1e3a8a !important;
  }

  .tree-file {
    color: #334155 !important;
  }

  .tree-file-desc {
    color: #64748b !important;
  }

  /* Terminal print styling */
  .terminal-container {
    border: 1px solid #475569 !important;
    background-color: #f8fafc !important;
    box-shadow: none !important;
  }

  .terminal-body {
    color: #0f172a !important;
    min-height: auto !important;
    background-color: #ffffff !important;
  }

  .terminal-prompt {
    color: #16a34a !important;
  }

  .terminal-cmd {
    color: #0f172a !important;
  }

  .terminal-output {
    color: #334155 !important;
  }

  .terminal-output-alert {
    background-color: #fffbeb !important;
    border: 1px solid #fef3c7 !important;
    border-left: 4px solid #d97706 !important;
    color: #b45309 !important;
  }

  .terminal-output-success {
    background-color: #ecfdf5 !important;
    border: 1px solid #d1fae5 !important;
    border-left: 4px solid #059669 !important;
    color: #047857 !important;
  }

  .terminal-cursor {
    display: none !important;
  }

  /* Hide live terminal body in print; show static fallback if present */
  #terminal-mount {
    display: none !important;
  }
  .terminal-print-fallback {
    display: block !important;
    font-family: 'Courier New', monospace;
    font-size: 8.5pt;
    color: #0f172a;
    white-space: pre;
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
  }

  /* Prevent skill cards and card grid from orphaning across pages */
  .card-grid {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  .info-card {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  /* Show collapsed folders in print */
  .tree-subtree.collapsed {
    display: block !important;
  }

  /* Hide hero nav in print */
  nav.hero-nav {
    display: none !important;
  }

  /* Reset hero section for print */
  .hero {
    min-height: auto !important;
    padding: 1cm 0 !important;
    background: #ffffff !important;
  }
  .hero-img,
  .hero-overlay,
  .hero-bg,
  .hero-grid {
    display: none !important;
  }
  .hero-title {
    font-size: 28pt !important;
    color: #1e3a8a !important;
  }
  .hero-kicker,
  .hero-subhead,
  .hero-tagline {
    color: #334155 !important;
  }
  .hero-actions,
  .hero-stats {
    display: none !important;
  }
}