/* ============================================
   KAIG GROUP — Design System Variables
   ============================================ */

:root {
    /* ── Primary Palette (Red) ── */
    --primary: #FF0000;
    --primary-rgb: 255, 0, 0;
    --primary-dark: #CC0000;
    --primary-darker: #990000;
    --primary-light: #FF3333;
    --primary-lighter: #FF6666;
    --primary-glow: rgba(255, 0, 0, 0.15);
    --primary-glow-strong: rgba(255, 0, 0, 0.3);

    /* ── Secondary Palette (Charcoal) ── */
    --secondary: #2E2D2D;
    --secondary-rgb: 46, 45, 45;
    --secondary-light: #3A3939;
    --secondary-lighter: #4A4949;
    --secondary-dark: #1A1919;
    --secondary-darker: #111010;

    /* ── Neutral Palette ── */
    --neutral-50: #FAFAFA;
    --neutral-100: #F5F5F5;
    --neutral-200: #E5E5E5;
    --neutral-300: #D4D4D4;
    --neutral-400: #A3A3A3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;

    /* ── Semantic Colors ── */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* ── Dark Theme (Default) ── */
    --bg-primary: #1A1919;
    --bg-secondary: #2E2D2D;
    --bg-tertiary: #3A3939;
    --bg-card: #2E2D2D;
    --bg-card-hover: #3A3939;
    --bg-overlay: rgba(0, 0, 0, 0.7);
    --bg-glass: rgba(46, 45, 45, 0.8);

    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #808080;
    --text-inverse: #1A1919;

    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    --border-color-active: rgba(255, 0, 0, 0.3);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(255, 0, 0, 0.15);
    --shadow-glow-strong: 0 0 60px rgba(255, 0, 0, 0.25);

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

    --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;
    --text-8xl: 6rem;

    --leading-tight: 1.1;
    --leading-snug: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;
    --tracking-widest: 0.2em;

    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-extrabold: 800;
    --weight-black: 900;

    /* ── 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;
    --space-40: 10rem;

    /* ── Layout ── */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1440px;
    --container-max: 1600px;
    --content-padding: var(--space-6);

    /* ── Border Radius ── */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* ── Transitions ── */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 800ms;

    --transition-colors: color var(--duration-normal) var(--ease-smooth),
                         background-color var(--duration-normal) var(--ease-smooth),
                         border-color var(--duration-normal) var(--ease-smooth);
    --transition-transform: transform var(--duration-normal) var(--ease-out);
    --transition-all: all var(--duration-normal) var(--ease-smooth);

    /* ── Z-Index Scale ── */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-cursor: 9999;

    /* ── Header ── */
    --header-height: 80px;
    --header-height-scrolled: 64px;
}

/* ── Light Theme Override ── */
[data-theme="light"] {
    --bg-primary: #F5F5F5;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #FAFAFA;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F5F5F5;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    --bg-glass: rgba(255, 255, 255, 0.85);

    --text-primary: #1A1919;
    --text-secondary: #525252;
    --text-muted: #737373;
    --text-inverse: #FFFFFF;

    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-hover: rgba(0, 0, 0, 0.15);
    --border-color-active: rgba(255, 0, 0, 0.3);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(255, 0, 0, 0.1);
    --shadow-glow-strong: 0 0 60px rgba(255, 0, 0, 0.15);
}