:root {
  /* Colors - Dark Theme */
  --bg-body: #09090b;
  --bg-surface: #18181b;
  --bg-surface-elevated: #27272a;
  
  --border-subtle: #27272a;
  --border-active: #3f3f46;
  
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  /* Brand Gradients */
  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #8b5cf6 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  
  /* Accents */
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  line-height: 1.2;
  font-weight: 700;
  color: var(--text-primary);
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }

p {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-600 { max-width: 600px; }
.btn-lg { padding: 16px 32px; font-size: 1.125rem; }
.inline-flex { display: inline-flex; }
.text-sm { font-size: 0.875rem; }
.text-muted { color: var(--text-muted); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 3rem; }
.text-green { color: var(--accent-green); }
.text-cyan { color: var(--accent-cyan); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.cta-section {
  padding: 100px 0;
  text-align: center;
}

.cta-box {
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.15) 0%, rgba(9, 9, 11, 0) 70%);
  padding: 60px 20px;
}

.logo-icon {
  color: var(--accent-cyan);
}

.badge-green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
  border: none;
  margin: 0;
}

.dashboard-stat-box {
  background: var(--bg-surface-elevated);
  padding: 12px;
  border-radius: 8px;
}

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(9, 9, 11, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--spacing-md) 0;
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.4);
}

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

.btn-outline:hover {
  border-color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
  padding: 160px 0 100px 0;
  position: relative;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 60%;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(9, 9, 11, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

/* Dashboard Preview (Abstract) */
.dashboard-preview {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--spacing-md);
}

.chart-area {
  height: 200px;
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.05) 0%, rgba(9, 9, 11, 0) 100%);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* Simplified SVG Line Chart */
.chart-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  fill: none;
  stroke: var(--accent-cyan);
  stroke-width: 2;
  filter: drop-shadow(0 0 4px rgba(6, 182, 212, 0.5));
}

.ai-pill {
  position: absolute;
  top: 40px;
  right: 40px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--accent-purple);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ai-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-purple);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-purple);
}

/* Cards */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: var(--spacing-lg);
}

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

/* Features Grid */
.features-section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-3xl) auto;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  font-size: 4rem;
  font-weight: 800;
  color: var(--bg-surface-elevated);
  line-height: 1;
  margin-bottom: -20px;
  position: relative;
  z-index: 0;
}

.step-content {
  position: relative;
  z-index: 1;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--spacing-3xl) 0;
  margin-top: var(--spacing-3xl);
  background: var(--bg-surface);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.disclaimer-box {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-top: var(--spacing-xl);
}

/* Responsiveness */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-content .flex { justify-content: center; }
  .dashboard-preview { display: none; } /* Hide complex visual on tablet for simplicity */
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .steps-grid, .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; } /* Simplified mobile nav */
}