/* Design Tokens - Sigma Cap Pro (Light Theme) */
:root {
  /* Primary Colors - Light Theme */
  --color-primary: #f8fafc;
  --color-primary-light: #ffffff;
  --color-primary-dark: #e2e8f0;

  /* Accent Colors - Blue to match logo */
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-light: #60a5fa;
  --color-accent-glow: rgba(37, 99, 235, 0.15);

  /* Warm Secondary - Orange accent */
  --color-warm: #f97316;
  --color-warm-light: #fb923c;
  --color-warm-glow: rgba(249, 115, 22, 0.15);

  /* Tertiary - Amber */
  --color-secondary: #f59e0b;
  --color-secondary-glow: rgba(245, 158, 11, 0.2);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e3a8a 100%);
  --gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #ff6b00 100%);
  --gradient-warm: linear-gradient(135deg, #f97316 0%, #f59e0b 100%);
  --gradient-blend: linear-gradient(135deg, #2563eb 0%, #f97316 100%);

  /* Background Mesh Gradients (for glass visibility) */
  --bg-mesh:
    radial-gradient(at 40% 20%, rgba(37, 99, 235, 0.08) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(96, 165, 250, 0.06) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(249, 115, 22, 0.05) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(245, 158, 11, 0.04) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(37, 99, 235, 0.06) 0px, transparent 50%);

  /* Background Colors */
  --color-background: #f8fafc;
  --color-surface: rgba(255, 255, 255, 0.9);
  --color-surface-solid: #ffffff;
  --color-surface-elevated: rgba(255, 255, 255, 0.95);

  /* Text Colors - Dark for light backgrounds */
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-inverse: #ffffff;

  /* Status Colors */
  --color-success: #059669;
  --color-success-bg: rgba(5, 150, 105, 0.1);
  --color-warning: #d97706;
  --color-warning-bg: rgba(217, 119, 6, 0.1);
  --color-error: #dc2626;
  --color-error-bg: rgba(220, 38, 38, 0.1);
  --color-info: #2563eb;
  --color-info-bg: rgba(37, 99, 235, 0.08);

  /* Border Colors */
  --color-border: rgba(0, 0, 0, 0.1);
  --color-border-light: rgba(0, 0, 0, 0.06);
  --color-border-solid: #e2e8f0;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: 'Inter', var(--font-family);

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.6;

  /* Letter Spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows - Standard */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.2), 0 0 40px rgba(37, 99, 235, 0.1);
  --shadow-glow-sm: 0 0 10px rgba(37, 99, 235, 0.15);

  /* Glass Shadows - with inner highlight */
  --shadow-glass-sm: 0 2px 8px rgba(0, 0, 0, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  --shadow-glass-md: 0 4px 16px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  --shadow-glass-lg: 0 8px 32px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  --shadow-glass-xl: 0 16px 48px rgba(0, 0, 0, 0.1), inset 0 2px 0 rgba(255, 255, 255, 0.8);

  /* Accent Glow Shadows */
  --shadow-glow-blue: 0 0 20px rgba(37, 99, 235, 0.2), 0 0 40px rgba(37, 99, 235, 0.1);
  --shadow-glow-warm: 0 0 20px rgba(249, 115, 22, 0.2), 0 0 40px rgba(249, 115, 22, 0.1);

  /* Industrial/Electric Patterns */
  --pattern-grid-color: rgba(37, 99, 235, 0.06);
  --pattern-grid-color-light: rgba(37, 99, 235, 0.04);
  --pattern-node-color: rgba(37, 99, 235, 0.08);
  --pattern-accent-color: rgba(249, 115, 22, 0.05);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  /* Backdrop */
  --backdrop-blur: blur(20px);

  /* Container */
  --container-max: 1200px;
  --container-padding: var(--space-4);

  /* Header */
  --header-height: 70px;
}

/* Tablet and up */
@media (min-width: 768px) {
  :root {
    --container-padding: var(--space-6);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  :root {
    --container-padding: var(--space-8);
  }
}