/* Acumen Labs - Dark Grey Theme */

:root {
  /* Primary Colors - Aquamarine (cyan-blue) */
  --primary: #06b6d4;
  --primary-dark: #0891b2;
  --primary-light: #22d3ee;

  /* Accent Colors - Orange */
  --accent: #fb923c;
  --accent-dark: #f97316;
  --accent-light: #fdba74;

  /* Dark Grey Backgrounds - Lighter for better contrast */
  --bg-primary: #252530;
  --bg-secondary: #2e2e3a;
  --bg-tertiary: #383845;
  --bg-code: #1e1e26;

  /* Off-white Text */
  --text-primary: #f5f5f7;
  --text-secondary: #b4b4bc;
  --text-muted: #8a8a94;
  --text-inverse: #252530;

  /* Semantic */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Code/Terminal */
  --terminal-green: #22d3ee;
  --terminal-blue: #06b6d4;
  --terminal-purple: #fb923c;
  --terminal-yellow: #fdba74;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Borders & Shadows - Dark Theme */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;

  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.2), 0 1px 2px -1px rgb(0 0 0 / 0.2);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.2);
  --shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 40px -10px rgb(0 0 0 / 0.5), 0 8px 16px -8px rgb(0 0 0 / 0.4);

  /* Border Colors - Dark Theme */
  --border-light: #454552;
  --border-medium: #555562;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-snap-type: y proximity;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Subtle Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(251, 146, 60, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
  animation: ambientFloat 20s ease-in-out infinite;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 70% 30%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 30% 70%, rgba(251, 146, 60, 0.06) 0%, transparent 50%);
  animation: ambientFloat 25s ease-in-out infinite reverse;
}

@keyframes ambientFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 1;
  }
  25% {
    transform: translate(2%, 1%) scale(1.02);
    opacity: 0.8;
  }
  50% {
    transform: translate(-1%, 2%) scale(0.98);
    opacity: 1;
  }
  75% {
    transform: translate(1%, -1%) scale(1.01);
    opacity: 0.9;
  }
}

/* Ensure content stays above background */
body > * {
  position: relative;
  z-index: 1;
}

/* Scroll-Triggered Animations */
.scroll-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Staggered children animations */
.scroll-fade-children > * {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-fade-children.visible > *:nth-child(1) { transition-delay: 0s; }
.scroll-fade-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.scroll-fade-children.visible > *:nth-child(3) { transition-delay: 0.2s; }
.scroll-fade-children.visible > *:nth-child(4) { transition-delay: 0.3s; }
.scroll-fade-children.visible > *:nth-child(5) { transition-delay: 0.4s; }
.scroll-fade-children.visible > *:nth-child(6) { transition-delay: 0.5s; }

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

/* Slide from left */
.scroll-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide from right */
.scroll-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale up animation */
.scroll-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .scroll-fade,
  .scroll-fade-children > *,
  .scroll-slide-left,
  .scroll-slide-right,
  .scroll-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Typography - Refined */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 700; }
h3 { font-size: 1.375rem; font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
}

code, .mono {
  font-family: var(--font-mono);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Navigation */
.navbar {
  background: rgba(37, 37, 48, 0.95);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.logo span {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  transition: all 0.3s ease;
}

.logo:hover span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.5));
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--accent) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  box-shadow:
    0 4px 12px rgba(6, 182, 212, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  transform: rotate(-3deg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.logo-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.3), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.logo:hover .logo-icon {
  transform: rotate(0deg);
  box-shadow:
    0 6px 20px rgba(6, 182, 212, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-sm) 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: var(--space-2xl) 0 0 0;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  position: relative;
  overflow: visible;
  scroll-snap-align: start;
  min-height: 100vh;
}

/* Full-screen Hero */
.hero-fullscreen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-bottom: var(--space-3xl);
}

/* Animated Code Background - Scrolling Code Lines */
.code-rain {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.code-column {
  position: absolute;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  animation: codeScroll linear infinite;
  opacity: 0;
}

.code-column.visible {
  opacity: 1;
  transition: opacity 1.5s ease-in;
}

.code-line {
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* Syntax highlighting colors - very subtle */
.code-line .keyword {
  color: var(--primary);
  opacity: 0.12;
}

.code-line .function {
  color: var(--accent);
  opacity: 0.1;
}

.code-line .string {
  color: #a5d6a7;
  opacity: 0.09;
}

.code-line .comment {
  color: var(--text-muted);
  opacity: 0.08;
  font-style: italic;
}

.code-line .operator {
  color: var(--primary-light);
  opacity: 0.1;
}

.code-line .variable {
  color: var(--text-secondary);
  opacity: 0.09;
}

.code-line .number {
  color: var(--accent-light);
  opacity: 0.1;
}

@keyframes codeScroll {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-50%);
  }
}

/* Reduce animation for accessibility */
@media (prefers-reduced-motion: reduce) {
  .code-rain {
    display: none;
  }
}

.hero-fullscreen .hero-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-fullscreen .hero-content {
  animation: heroFadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroFadeIn {
  0% {
    opacity: 0;
    transform: translateY(40px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  font-size: 0.875rem;
  cursor: pointer;
  transition: opacity 0.4s ease, color 0.3s ease;
  animation: scrollHint 2s ease-in-out infinite;
}

.scroll-indicator:hover {
  color: var(--primary);
}

.scroll-indicator span {
  font-weight: 500;
  letter-spacing: 0.05em;
}

.scroll-arrow {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.scroll-indicator:hover .scroll-arrow {
  border-color: var(--primary);
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(4px);
}

.scroll-arrow svg {
  width: 18px;
  height: 18px;
}

@keyframes scrollHint {
  0%, 100% {
    opacity: 0.7;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) translateY(8px);
  }
}

/* Diagram Section */
.diagram-section {
  background: var(--bg-primary);
  padding: var(--space-2xl) 0;
  scroll-snap-align: start;
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.diagram-section .section-header {
  margin-bottom: var(--space-lg);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.diagram-section.scene-active .section-header {
  opacity: 1;
  transform: translateY(0);
}

.diagram-section .ai-diagram-wrapper {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s,
              transform 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}

.diagram-section.scene-active .ai-diagram-wrapper {
  opacity: 1;
  transform: translateY(0);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(251, 146, 60, 0.06) 0%, transparent 40%);
  pointer-events: none;
}

.hero .container.hero-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.hero .container.hero-container .hero-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero .container.hero-container .hero-buttons {
  justify-content: center;
}

/* AI Diagram Section */
.ai-diagram-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

/* Interactive Node Styles */
.ai-diagram .node {
  cursor: pointer;
}

.ai-diagram .node .node-bg {
  transition: opacity 0.3s ease;
}

.ai-diagram .node:hover .node-bg {
  opacity: 0.85;
}

/* Tooltip styling for diagram nodes */
.ai-diagram .node title {
  font-size: 12px;
}

/* Custom tooltip on hover */
.ai-diagram-wrapper {
  position: relative;
}

.diagram-tooltip {
  position: absolute;
  background: var(--bg-code);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  max-width: 220px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-light);
  pointer-events: none;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 100;
  line-height: 1.4;
}

.diagram-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.diagram-tooltip::before {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px 6px 0;
  border-style: solid;
  border-color: var(--bg-code) transparent transparent;
}


/* Flow Lines */
.ai-diagram .flow-line {
  stroke-dasharray: 6 8;
  animation: flowDash 3s linear infinite;
}

@keyframes flowDash {
  to {
    stroke-dashoffset: -24;
  }
}

/* Particles */
.ai-diagram .particle {
  opacity: 0.9;
}

/* Floating Decorations */
.ai-diagram .float-circle {
  animation: floatCircle 6s ease-in-out infinite;
}

@keyframes floatCircle {
  0%, 100% {
    transform: translateY(0) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-10px) scale(1.1);
    opacity: 0.5;
  }
}

.ai-diagram .float-circle:nth-child(2) {
  animation-delay: -2s;
}

.ai-diagram .float-circle:nth-child(3) {
  animation-delay: -4s;
}

/* Column Labels */
.ai-diagram .column-label {
  font-family: var(--font-sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  position: relative;
}

.hero-content {
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: var(--space-sm) var(--space-xl);
  border-radius: 100px;
  font-size: 0.9rem;
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 0.03em;
  backdrop-filter: blur(10px);
  margin-bottom: var(--space-xl);
  transition: all 0.3s ease;
}

.hero-badge:hover {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.4);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.6);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.6);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.8);
  }
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
  font-weight: 800;
  letter-spacing: -0.03em;
  position: relative;
}

/* Subtle glow behind heading */
.hero h1::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 150%;
  background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.hero p {
  font-size: 1.35rem;
  margin-bottom: var(--space-2xl);
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.hero-buttons .btn {
  padding: var(--space-md) var(--space-2xl);
  font-size: 1rem;
}

/* Terminal/Code Block in Hero */
.hero-terminal {
  background: var(--bg-code);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.terminal-header {
  background: var(--bg-tertiary);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #fbbf24; }
.terminal-dot.green { background: #22c55e; }

.terminal-title {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  margin-left: var(--space-sm);
}

.terminal-body {
  padding: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
}

.terminal-line {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.terminal-prompt {
  color: var(--terminal-green);
}

.terminal-command {
  color: var(--text-inverse);
}

.terminal-output {
  color: var(--text-muted);
  padding-left: var(--space-lg);
}

.terminal-keyword {
  color: var(--terminal-purple);
}

.terminal-string {
  color: var(--terminal-yellow);
}

.terminal-function {
  color: var(--terminal-blue);
}

.terminal-comment {
  color: var(--text-muted);
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--terminal-green);
  animation: blink 1s infinite;
  vertical-align: middle;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 14px 0 rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px 0 rgba(6, 182, 212, 0.45);
  color: white;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
  color: var(--text-primary);
  box-shadow: 0 4px 14px 0 rgba(6, 182, 212, 0.15);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* Section Styles - Scene-Based */
.section {
  padding: var(--space-3xl) 0;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
  position: relative;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}


/* Scene entrance animations */
.scene-content {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.scene-active .scene-content {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered scene elements */
.scene-content > *:nth-child(1) { transition-delay: 0s; }
.scene-content > *:nth-child(2) { transition-delay: 0.1s; }
.scene-content > *:nth-child(3) { transition-delay: 0.15s; }
.scene-content > *:nth-child(4) { transition-delay: 0.2s; }

/* Scene fade variations */
.scene-fade-up {
  opacity: 0;
  transform: translateY(80px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.scene-active .scene-fade-up {
  opacity: 1;
  transform: translateY(0);
}

.scene-fade-scale {
  opacity: 0;
  transform: scale(0.9) translateY(40px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.scene-active .scene-fade-scale {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Parallax depth layers */
.scene-layer-back {
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scene-layer-front {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scene divider - subtle gradient line between sections */
.section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
  opacity: 0.5;
}

.section:last-of-type::after,
.cta-section::after {
  display: none;
}

/* Scene progress indicator (optional visual feedback) */
.scene-indicator {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scene-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-light);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.scene-indicator-dot.active {
  background: var(--primary);
  transform: scale(1.3);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.5);
}

/* Reduce motion for accessibility - scene animations */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-snap-type: none;
  }

  .scene-content,
  .scene-fade-up,
  .scene-fade-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .section::before,
  .section::after {
    display: none;
  }
}

/* Mobile adjustments for scenes */
@media (max-width: 768px) {
  html {
    scroll-snap-type: y proximity;
  }

  .section {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }

  .scene-indicator {
    display: none;
  }

  .hero-fullscreen {
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile */
    padding-bottom: var(--space-2xl);
  }

  .scroll-indicator {
    bottom: 24px;
  }

  .scroll-indicator span {
    font-size: 0.75rem;
  }

  .scroll-arrow {
    width: 36px;
    height: 36px;
  }

  .diagram-section {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  padding: var(--space-xs) var(--space-md);
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.service-card h3 {
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.service-features {
  list-style: none;
  font-size: 0.875rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  color: var(--text-secondary);
}

.service-features li::before {
  content: '>';
  color: var(--primary);
  font-family: var(--font-mono);
  font-weight: bold;
}

/* Stats Section */
.stats-section {
  background: var(--bg-secondary);
  scroll-snap-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.stat-card {
  text-align: center;
  padding: var(--space-xl);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Audience Cards */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.audience-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.audience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, transparent 50%, rgba(251, 146, 60, 0.03) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.audience-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow:
    0 15px 50px -10px rgba(6, 182, 212, 0.3),
    0 0 25px rgba(6, 182, 212, 0.12);
  transform: translateY(-15px);
}

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

.audience-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 2rem;
  color: white;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.audience-card:hover .audience-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

.audience-card h3 {
  margin-bottom: var(--space-md);
  transition: color 0.3s ease;
}

.audience-card:hover h3 {
  color: var(--primary-light);
}

.audience-benefits {
  list-style: none;
  text-align: left;
  margin-top: var(--space-lg);
}

.audience-benefits li {
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  transition: all 0.3s ease;
  transform: translateX(0);
}

.audience-card:hover .audience-benefits li {
  color: var(--text-primary);
}

.audience-card:hover .audience-benefits li:nth-child(1) { transform: translateX(4px); transition-delay: 0.05s; }
.audience-card:hover .audience-benefits li:nth-child(2) { transform: translateX(4px); transition-delay: 0.1s; }
.audience-card:hover .audience-benefits li:nth-child(3) { transform: translateX(4px); transition-delay: 0.15s; }
.audience-card:hover .audience-benefits li:nth-child(4) { transform: translateX(4px); transition-delay: 0.2s; }

.audience-benefits li::before {
  content: '//';
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: bold;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--bg-code) 0%, #1e1b4b 100%);
  color: var(--text-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
  scroll-snap-align: center;
  min-height: 60vh;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.3) 0%, transparent 40%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
}

.cta-section h2 {
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: var(--text-secondary);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* Blog Cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.blog-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.blog-image {
  height: 180px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-mono);
  font-size: 3rem;
}

.blog-content {
  padding: var(--space-lg);
}

.blog-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.blog-tag {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.blog-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.blog-card p {
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.read-more {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.read-more:hover {
  gap: var(--space-md);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-text h3 {
  margin-bottom: var(--space-md);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.value-item {
  background: var(--bg-secondary);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary);
}

.value-item h4 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.value-item p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.founder-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  border: 1px solid var(--border-light);
}

.founder-avatar {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  font-family: var(--font-mono);
}

.founder-card h3 {
  margin-bottom: var(--space-xs);
}

.founder-title {
  color: var(--primary);
  font-family: var(--font-mono);
  margin-bottom: var(--space-md);
}

.founder-credentials {
  list-style: none;
  margin-top: var(--space-lg);
  text-align: left;
}

.founder-credentials li {
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.founder-credentials li::before {
  content: '$';
  color: var(--terminal-green);
  font-family: var(--font-mono);
  font-weight: bold;
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-methods {
  margin-top: var(--space-xl);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--bg-tertiary);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-method h4 {
  margin-bottom: var(--space-xs);
}

.contact-method p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.contact-form-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  background: var(--bg-primary);
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Airtable Embed */
.airtable-embed-container {
  margin-bottom: var(--space-md);
}

.airtable-embed {
  border-radius: var(--radius-lg);
}

.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
}

/* Footer */
.footer {
  background: var(--bg-code);
  color: var(--text-secondary);
  padding: var(--space-3xl) 0 var(--space-lg);
  scroll-snap-align: end;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--text-muted);
}

.footer-links h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  font-size: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.social-links a:hover {
  background: var(--primary);
  color: white;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.page-header .container {
  position: relative;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 1024px) {
  .services-grid,
  .audience-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .ai-diagram-wrapper {
    max-width: 100%;
    padding: 0;
  }

  .ai-diagram {
    min-height: 300px;
  }

  .ai-diagram .decorations {
    opacity: 0.1;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--bg-tertiary);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    display: flex;
  }

  .hero .container,
  .about-content,
  .contact-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.75rem;
    line-height: 1.2;
  }

  .hero p {
    font-size: 1.1rem;
    max-width: 100%;
  }

  .hero-badge {
    font-size: 0.8rem;
    padding: var(--space-xs) var(--space-lg);
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-terminal {
    max-width: 100%;
    overflow-x: auto;
  }

  .ai-diagram-wrapper {
    padding: 0;
    margin: 0 -1rem;
    width: calc(100% + 2rem);
    overflow: hidden;
  }

  .ai-diagram {
    min-height: 250px;
    width: 100%;
    min-width: 600px;
    margin: 0 auto;
  }

  .ai-diagram .column-label {
    font-size: 9px;
  }

  .ai-diagram .node {
    pointer-events: none;
  }

  .ai-diagram .particles,
  .ai-diagram .decorations {
    display: none;
  }

  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }

  .services-grid,
  .audience-grid,
  .blog-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
  }

  .about-values {
    grid-template-columns: 1fr;
  }

  .audience-benefits,
  .founder-credentials {
    text-align: left;
  }
}

/* Very small screens - simplify diagram */
@media (max-width: 480px) {
  .ai-diagram-wrapper {
    display: none;
  }

  .hero-content {
    padding-bottom: var(--space-xl);
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-3xl); }

.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-3xl); }

/* Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ========================================
   Hero Conversation Card
   ======================================== */
.hero-conversation {
  display: flex;
  justify-content: center;
  align-items: center;
}

.conversation-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  width: 100%;
  max-width: 480px;
}

.conversation-header {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
}

.conversation-header .status-dot {
  width: 10px;
  height: 10px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.3);
}

.conversation-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  background: var(--bg-secondary);
}

.message {
  display: flex;
  gap: var(--space-md);
  animation: messageSlide 0.4s ease;
}

@keyframes messageSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.message-question .message-avatar {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 2px solid var(--bg-tertiary);
}

.message-answer .message-avatar {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
}

.message-content {
  background: var(--bg-primary);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.message-question .message-content {
  border: 1px solid var(--bg-tertiary);
}

.message-answer .message-content {
  border: 1px solid rgba(99, 102, 241, 0.2);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.03), rgba(6, 182, 212, 0.03));
}

.message-answer .message-content p {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.outcome-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.outcome-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--bg-tertiary);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.outcome-list li:last-child {
  border-bottom: none;
}

.outcome-icon {
  color: var(--success);
  font-weight: bold;
  margin-right: var(--space-sm);
}

.outcome-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 2px 8px;
  border-radius: 100px;
}

.message.typing .message-content {
  padding: var(--space-md);
}

.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  height: 20px;
}

.typing-indicator span {
  width: 8px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  30% {
    transform: translateY(-6px);
    opacity: 1;
  }
}

/* ========================================
   Hero Quotes Card (Nerdy Typewriter)
   ======================================== */
.hero-quotes {
  display: flex;
  justify-content: center;
  align-items: center;
}

.quotes-card {
  background: var(--bg-code);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  width: 100%;
  max-width: 480px;
}

.quotes-header {
  background: var(--bg-tertiary);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

.terminal-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ef4444; }
.terminal-dots span:nth-child(2) { background: #fbbf24; }
.terminal-dots span:nth-child(3) { background: #22c55e; }

.quotes-title {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.quotes-body {
  padding: 1.75rem;
}

.quote-line {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  min-height: 80px;
}

.line-number {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  flex-shrink: 0;
  padding-top: 2px;
}

.quote-prefix {
  color: var(--terminal-green);
  font-family: var(--font-mono);
  font-weight: bold;
  flex-shrink: 0;
}

.quote-text {
  color: var(--text-primary);
  font-size: 1.05rem;
  line-height: 1.6;
  font-family: var(--font-mono);
}

.cursor-blink {
  color: var(--terminal-green);
  font-family: var(--font-mono);
  animation: cursorBlink 0.8s infinite;
}

@keyframes cursorBlink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.quote-meta {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.meta-label {
  color: var(--terminal-purple);
}

.meta-value {
  color: var(--terminal-yellow);
}

.quote-divider {
  height: 1px;
  background: var(--border-light);
  margin: 1.25rem 0;
}

.quote-stats {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.stat-icon {
  color: var(--terminal-green);
  font-size: 0.7rem;
}

.stat-text {
  color: var(--text-secondary);
}

.quotes-footer {
  background: var(--bg-tertiary);
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quote-counter {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.quote-progress {
  width: 100px;
  height: 3px;
  background: var(--border-medium);
  border-radius: 2px;
  overflow: hidden;
}

#progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0%;
  transition: width 0.1s linear;
}

/* Responsive */
@media (max-width: 768px) {
  .quotes-card {
    max-width: 100%;
  }

  .hero-quotes {
    margin-top: var(--space-xl);
  }

  .quote-text {
    font-size: 0.95rem;
  }
}