/* ==========================================
   INGENR Design Tokens — variables.css
   Consultora INGENR | Executive Tech Theme
   ========================================== */

:root {
  /* ===== COLOR SYSTEM ===== */
  --primary-bg: #0A192F;
  --primary-bg-rgb: 10, 25, 47;
  --primary-bg-light: #0F2240;
  --primary-bg-lighter: #142D54;

  --surface: #5D7E96;
  --surface-rgb: 93, 126, 150;
  --surface-dark: #3A4750;
  --surface-dark-rgb: 58, 71, 80;
  --surface-glass: rgba(93, 126, 150, 0.08);
  --surface-glass-strong: rgba(93, 126, 150, 0.15);

  --accent: #C8862E;
  --accent-rgb: 200, 134, 46;
  --accent-hover: #D4993A;
  --accent-light: rgba(200, 134, 46, 0.12);
  --accent-glow: rgba(200, 134, 46, 0.2);
  --accent-glow-strong: rgba(200, 134, 46, 0.35);

  --text-primary: #FFFFFF;
  --text-secondary: #F1F5F9;
  --text-muted: #8C8D8F;
  --text-muted-light: #A0A1A3;

  --success: #22C55E;
  --success-bg: rgba(34, 197, 94, 0.15);
  --warning: #F59E0B;
  --error: #EF4444;
  --error-bg: rgba(239, 68, 68, 0.1);

  /* ===== TYPOGRAPHY ===== */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  --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;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.6;
  --leading-loose: 1.8;

  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.08em;
  --tracking-widest: 0.12em;

  /* ===== 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;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ===== BORDERS ===== */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  --border-subtle: 1px solid rgba(93, 126, 150, 0.15);
  --border-surface: 1px solid rgba(93, 126, 150, 0.25);
  --border-accent: 1px solid rgba(200, 134, 46, 0.3);
  --border-accent-strong: 2px solid var(--accent);

  /* ===== SHADOWS (optimized for dark mode) ===== */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.55);
  --shadow-accent: 0 4px 20px var(--accent-glow);
  --shadow-accent-lg: 0 8px 32px var(--accent-glow-strong);
  --shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.3);

  /* ===== TRANSITIONS ===== */
  --ease-out: cubic-bezier(0.0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;

  --transition-fast: var(--duration-fast) var(--ease-in-out);
  --transition-base: var(--duration-base) var(--ease-in-out);
  --transition-slow: var(--duration-slow) var(--ease-in-out);

  /* ===== LAYOUT ===== */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;
  --navbar-height: 80px;

  /* ===== Z-INDEX ===== */
  --z-behind: -1;
  --z-base: 0;
  --z-elevated: 10;
  --z-sticky: 100;
  --z-navbar: 1000;
  --z-overlay: 1500;
  --z-modal: 2000;
  --z-toast: 3000;
}