/*
=================================================================
CLAIRE MAIN STYLESHEET
Multi-Agent Spectrum Design System
=================================================================
*/

/* =================================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ================================================================= */

:root {
  /* Corporate Foundation Colors */
  --color-rich-black: #0A0E12;
  --color-deep-charcoal: #1A1F26;
  --color-slate-gray: #2D3540;
  
  /* Multi-Agent Neon Spectrum */
  --color-agent-cyan: #00F0FF;
  --color-agent-cyan-deep: #00D4E6;
  --color-agent-magenta: #FF006E;
  --color-agent-magenta-deep: #E6005C;
  --color-agent-yellow: #FFEB3B;
  --color-agent-yellow-deep: #F9D71C;
  --color-agent-green: #39FF14;
  --color-agent-green-deep: #2ECC71;
  
  /* Text Hierarchy */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #E5E7EB;
  --color-text-tertiary: #9CA3AF;
  --color-text-dim: #6B7280;
  
  /* Functional Colors */
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  --color-info: #3B82F6;
  --color-success: var(--color-agent-green);
  
  /* Gradients */
  --gradient-multi-agent: linear-gradient(135deg, 
    var(--color-agent-cyan) 0%, 
    var(--color-agent-magenta) 33%, 
    var(--color-agent-yellow) 66%, 
    var(--color-agent-green) 100%);
  
  --gradient-cyan-magenta: linear-gradient(135deg, 
    var(--color-agent-cyan), 
    var(--color-agent-magenta));
  
  --gradient-surface-depth: linear-gradient(180deg, 
    var(--color-rich-black), 
    var(--color-deep-charcoal));
  
  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  
  /* Font Sizes - Desktop */
  --font-size-hero: 4.5rem;      /* 72px */
  --font-size-h1: 3rem;          /* 48px */
  --font-size-h2: 2.25rem;       /* 36px */
  --font-size-h3: 1.5rem;        /* 24px */
  --font-size-h4: 1.25rem;       /* 20px */
  --font-size-body-large: 1.25rem; /* 20px */
  --font-size-body: 1rem;        /* 16px */
  --font-size-body-small: 0.875rem; /* 14px */
  --font-size-caption: 0.75rem;  /* 12px */
  
  /* Spacing Scale */
  --spacing-xs: 0.5rem;   /* 8px */
  --spacing-sm: 1rem;     /* 16px */
  --spacing-md: 1.5rem;   /* 24px */
  --spacing-lg: 2.5rem;   /* 40px */
  --spacing-xl: 5rem;     /* 80px */
  --spacing-2xl: 7.5rem;  /* 120px */
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
  
  /* Neon Glows */
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.4);
  --glow-cyan-intense: 0 0 40px rgba(0, 240, 255, 0.8);
  --glow-magenta: 0 0 20px rgba(255, 0, 110, 0.4);
  --glow-yellow: 0 0 20px rgba(255, 235, 59, 0.3);
  --glow-green: 0 0 20px rgba(57, 255, 20, 0.3);
  --glow-multi: 0 0 30px rgba(0, 240, 255, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 600ms ease;
  
  /* Z-index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  
  /* Container Max Width */
  --container-max-width: 1280px;
  --container-padding: 40px;
}

/* Mobile Font Size Adjustments */
@media (max-width: 768px) {
  :root {
    --font-size-hero: 2.5rem;    /* 40px */
    --font-size-h1: 2rem;        /* 32px */
    --font-size-h2: 1.5rem;      /* 24px */
    --font-size-h3: 1.25rem;     /* 20px */
    --container-padding: 24px;
    --spacing-xl: 3rem;          /* 48px */
    --spacing-2xl: 5rem;         /* 80px */
  }
}

/* =================================================================
   2. RESET & BASE STYLES
   ================================================================= */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-secondary);
  background-color: var(--color-rich-black);
  overflow-x: hidden;
}

/* =================================================================
   3. TYPOGRAPHY
   ================================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-h1);
  letter-spacing: -0.01em;
}

h2 {
  font-size: var(--font-size-h2);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-size-h3);
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: 600;
}

.hero-title {
  font-size: var(--font-size-hero);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.gradient-text {
  background: var(--gradient-multi-agent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p {
  margin-bottom: 1.5em;
}

a {
  color: var(--color-agent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-agent-cyan-deep);
  text-decoration: underline;
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-deep-charcoal);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-agent-cyan);
}

/* =================================================================
   4. LAYOUT UTILITIES
   ================================================================= */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

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

.section-dark {
  background-color: var(--color-rich-black);
}

.section-darker {
  background-color: var(--color-deep-charcoal);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.flex {
  display: flex;
  gap: var(--spacing-md);
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.text-center {
  text-align: center;
}

/* =================================================================
   5. BUTTONS
   ================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  padding: 16px 32px;
  background: var(--gradient-multi-agent);
  color: var(--color-rich-black);
  box-shadow: var(--glow-multi);
}

.btn-primary:hover {
  transform: scale(1.02);
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.6);
  filter: brightness(1.1);
  text-decoration: none;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  padding: 14px 30px;
  background: transparent;
  color: var(--color-agent-cyan);
  border: 2px solid var(--color-agent-cyan);
  box-shadow: var(--glow-cyan);
}

.btn-secondary:hover {
  background: rgba(0, 240, 255, 0.1);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
  text-decoration: none;
}

.btn-ghost {
  padding: 12px 24px;
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  border-bottom: 2px solid var(--color-agent-cyan);
  text-decoration: none;
}

.btn-large {
  padding: 20px 40px;
  font-size: var(--font-size-body-large);
}

.btn-small {
  padding: 10px 20px;
  font-size: var(--font-size-body-small);
}

/* Button Loading State */
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin: -8px 0 0 -8px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner 0.6s linear infinite;
}

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

/* =================================================================
   6. CARDS
   ================================================================= */

.card {
  background: var(--color-deep-charcoal);
  border: 1px solid var(--color-slate-gray);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-feature {
  padding: 32px;
  text-align: center;
}

.card-feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-slate-gray);
}

.card-feature-icon svg {
  width: 32px;
  height: 32px;
}

.card-feature-icon.cyan {
  color: var(--color-agent-cyan);
  box-shadow: var(--glow-cyan);
}

.card-feature-icon.magenta {
  color: var(--color-agent-magenta);
  box-shadow: var(--glow-magenta);
}

.card-feature-icon.yellow {
  color: var(--color-agent-yellow);
  box-shadow: var(--glow-yellow);
}

.card-feature-icon.green {
  color: var(--color-agent-green);
  box-shadow: var(--glow-green);
}

.card-feature:hover {
  border-color: var(--color-agent-cyan);
  box-shadow: 0 8px 32px rgba(0, 240, 255, 0.3);
}

.card-feature h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

.card-feature p {
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-md);
}

/* Agent Card (for simulation) */
.agent-card {
  background: var(--color-deep-charcoal);
  border-left: 4px solid var(--color-agent-cyan);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--glow-cyan);
  position: relative;
}

.agent-card.cyan { border-left-color: var(--color-agent-cyan); box-shadow: var(--glow-cyan); }
.agent-card.magenta { border-left-color: var(--color-agent-magenta); box-shadow: var(--glow-magenta); }
.agent-card.yellow { border-left-color: var(--color-agent-yellow); box-shadow: var(--glow-yellow); }
.agent-card.green { border-left-color: var(--color-agent-green); box-shadow: var(--glow-green); }

.agent-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.agent-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

.agent-status-dot.cyan { background: var(--color-agent-cyan); }
.agent-status-dot.magenta { background: var(--color-agent-magenta); }
.agent-status-dot.yellow { background: var(--color-agent-yellow); }
.agent-status-dot.green { background: var(--color-agent-green); }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.agent-card-name {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: var(--font-size-body-large);
}

.agent-card-info {
  font-size: var(--font-size-body-small);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-xs);
}

.agent-progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-slate-gray);
  border-radius: 2px;
  overflow: hidden;
  margin: var(--spacing-sm) 0;
}

.agent-progress-fill {
  height: 100%;
  background: var(--gradient-multi-agent);
  transition: width 1s ease-out;
}

/* Pricing Card */
.pricing-card {
  background: var(--color-deep-charcoal);
  border: 2px solid var(--color-slate-gray);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card-featured {
  border-top: 4px solid var(--color-agent-cyan);
  background: #1F2530;
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.pricing-card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-multi-agent);
  color: var(--color-rich-black);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: var(--font-size-body-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card-name {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

.pricing-card-price {
  font-size: var(--font-size-h1);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.pricing-card-price span {
  font-size: var(--font-size-body);
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.pricing-card-features {
  list-style: none;
  margin: var(--spacing-lg) 0;
  text-align: left;
}

.pricing-card-features li {
  padding: var(--spacing-xs) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.pricing-card-features li::before {
  content: '✓';
  color: var(--color-agent-green);
  font-weight: 700;
  font-size: 1.2em;
}

/* =================================================================
   7. FORMS
   ================================================================= */

.form {
  width: 100%;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-body-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.form-label-required::after {
  content: ' *';
  color: var(--color-agent-magenta);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  background: var(--color-rich-black);
  border: 1px solid var(--color-slate-gray);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-dim);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border: 2px solid var(--color-agent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2), var(--glow-cyan);
  padding: 13px 15px; /* Adjust for border increase */
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-error-message {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-body-small);
  color: var(--color-error);
}

.form-success-message {
  display: block;
  padding: var(--spacing-md);
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid var(--color-agent-green);
  border-radius: var(--radius-sm);
  color: var(--color-agent-green);
  text-align: center;
  margin-top: var(--spacing-md);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2300F0FF' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* Waitlist Form */
.waitlist-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-deep-charcoal);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* =================================================================
   8. HEADER & NAVIGATION
   ================================================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(10, 14, 18, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  height: 60px;
  background: rgba(10, 14, 18, 0.95);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.site-logo:hover {
  transform: scale(1.02);
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

.site-navigation {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-agent-cyan);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--color-agent-cyan);
  transition: transform var(--transition-fast);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-cta {
  margin-left: var(--spacing-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
}

@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .site-navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: rgba(10, 14, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-xl) var(--spacing-lg);
    gap: 0;
    transition: right var(--transition-base);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }
  
  .site-navigation.active {
    right: 0;
  }
  
  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  
  .nav-menu li {
    border-bottom: 1px solid var(--color-slate-gray);
  }
  
  .nav-menu a {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: 1.125rem;
  }
  
  .nav-cta {
    margin-left: 0;
    margin-top: var(--spacing-lg);
  }
  
  .nav-cta .btn {
    width: 100%;
  }
}

/* =================================================================
   9. FOOTER
   ================================================================= */

.site-footer {
  background: var(--color-deep-charcoal);
  border-top: 1px solid var(--color-slate-gray);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-content {
    grid-template-columns: 1fr;
  }
}

.footer-brand h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-md);
}

.footer-section h4 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

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

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-body-small);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-agent-cyan);
  text-decoration: none;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-slate-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-copyright {
  color: var(--color-text-dim);
  font-size: var(--font-size-body-small);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-slate-gray);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-agent-cyan);
  color: var(--color-rich-black);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

/* =================================================================
   10. HERO SECTION
   ================================================================= */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-surface-depth);
  padding-top: 80px; /* Account for fixed header */
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-multi-agent);
  opacity: 0.05;
  pointer-events: none;
}

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

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-content h1 {
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: var(--font-size-body-large);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 640px) {
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-dim);
  font-size: var(--font-size-body-small);
}

/* Hero Agent Simulation */
.hero-simulation {
  position: relative;
  min-height: 500px;
}

/* Agent simulation styles will be in dedicated JS file */

/* =================================================================
   11. SECTIONS
   ================================================================= */

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--font-size-body-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-agent-cyan);
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: var(--font-size-h1);
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: var(--font-size-body-large);
  color: var(--color-text-tertiary);
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

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

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

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

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  background: var(--gradient-multi-agent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

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

/* CTA Section */
.cta-section {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--gradient-surface-depth);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-slate-gray);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-multi-agent);
  opacity: 0.1;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  font-size: var(--font-size-body-large);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-lg);
}

/* =================================================================
   12. PROGRESSIVE DISCLOSURE
   ================================================================= */

.disclosure-item {
  background: var(--color-deep-charcoal);
  border: 1px solid var(--color-slate-gray);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.disclosure-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.disclosure-header:hover {
  background: var(--color-slate-gray);
}

.disclosure-title {
  font-size: var(--font-size-h4);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.disclosure-icon {
  width: 24px;
  height: 24px;
  color: var(--color-agent-cyan);
  transition: transform var(--transition-base);
}

.disclosure-item.active .disclosure-icon {
  transform: rotate(180deg);
}

.disclosure-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.disclosure-item.active .disclosure-content {
  max-height: 2000px; /* Large enough for content */
}

.disclosure-body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-tertiary);
}

/* =================================================================
   13. ANIMATIONS
   ================================================================= */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes neonPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.8);
  }
}

@keyframes lineFlow {
  from {
    stroke-dashoffset: 100;
  }
  to {
    stroke-dashoffset: 0;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation delays */
.animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.animate-on-scroll:nth-child(4) { transition-delay: 300ms; }
.animate-on-scroll:nth-child(5) { transition-delay: 400ms; }
.animate-on-scroll:nth-child(6) { transition-delay: 500ms; }

/* =================================================================
   14. ACCESSIBILITY
   ================================================================= */

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-agent-cyan);
  outline-offset: 2px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-agent-cyan);
  color: var(--color-rich-black);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 0;
}

/* =================================================================
   15. UTILITY CLASSES
   ================================================================= */

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.mt-0 { margin-top: 0 !important; }
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mt-xl { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }
.mb-xl { margin-bottom: var(--spacing-xl) !important; }

.text-cyan { color: var(--color-agent-cyan) !important; }
.text-magenta { color: var(--color-agent-magenta) !important; }
.text-yellow { color: var(--color-agent-yellow) !important; }
.text-green { color: var(--color-agent-green) !important; }

.bg-dark { background: var(--color-deep-charcoal) !important; }
.bg-darker { background: var(--color-rich-black) !important; }

/* =================================================================
   END OF MAIN STYLESHEET
   ================================================================= */