/*
 * Fieldcraft Digital 2.0
 * Design System Variables
 */

:root {
    /* ========================================
       COLOR SYSTEM
       ======================================== */

    /* Primary - Deep Violet */
    --color-primary-50: #f5f3ff;
    --color-primary-100: #ede9fe;
    --color-primary-200: #ddd6fe;
    --color-primary-300: #c4b5fd;
    --color-primary-400: #a78bfa;
    --color-primary-500: #8b5cf6;
    --color-primary-600: #7c3aed;
    --color-primary-700: #6d28d9;
    --color-primary-800: #5b21b6;
    --color-primary-900: #4c1d95;
    --color-primary-950: #2e1065;

    /* Dark - Rich Navy for backgrounds */
    --color-dark-50: #f8fafc;
    --color-dark-100: #f1f5f9;
    --color-dark-200: #e2e8f0;
    --color-dark-300: #cbd5e1;
    --color-dark-400: #94a3b8;
    --color-dark-500: #64748b;
    --color-dark-600: #475569;
    --color-dark-700: #334155;
    --color-dark-800: #1e293b;
    --color-dark-900: #0f172a;
    --color-dark-950: #020617;

    /* Accent - Electric Cyan */
    --color-accent-300: #67e8f9;
    --color-accent-400: #22d3ee;
    --color-accent-500: #06b6d4;
    --color-accent-600: #0891b2;

    /* Secondary Accent - Warm Coral */
    --color-coral-300: #fca5a5;
    --color-coral-400: #f87171;
    --color-coral-500: #ef4444;

    /* Success */
    --color-success-400: #4ade80;
    --color-success-500: #22c55e;

    /* Neutral */
    --color-neutral-50: #fafafa;
    --color-neutral-100: #f5f5f5;
    --color-neutral-200: #e5e5e5;
    --color-neutral-300: #d4d4d4;
    --color-neutral-400: #a3a3a3;
    --color-neutral-500: #737373;
    --color-neutral-600: #525252;
    --color-neutral-700: #404040;
    --color-neutral-800: #262626;
    --color-neutral-900: #171717;

    /* ========================================
       TYPOGRAPHY
       ======================================== */

    --font-display: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
    --font-body: "Inter", system-ui, -apple-system, sans-serif;

    /* Font Sizes - Fluid Typography */
    --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: clamp(2.5rem, 5vw, 3rem);
    --text-6xl: clamp(3rem, 6vw, 3.75rem);
    --text-7xl: clamp(3.5rem, 7vw, 4.5rem);
    --text-hero: clamp(2.75rem, 8vw, 5rem);

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 1.8;

    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;

    /* ========================================
       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;

    --container-max: 1280px;
    --container-narrow: 768px;
    --container-wide: 1440px;

    --section-padding: clamp(4rem, 10vw, 7rem);
    --section-padding-sm: clamp(3rem, 6vw, 5rem);

    /* ========================================
       BORDERS & 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-4xl: 2rem;
    --radius-full: 9999px;

    /* ========================================
       SHADOWS
       ======================================== */

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md:
        0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg:
        0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl:
        0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    --shadow-glow-primary: 0 0 40px -10px var(--color-primary-500);
    --shadow-glow-accent: 0 0 40px -10px var(--color-accent-500);

    /* Card shadows */
    --shadow-card: 0 4px 20px rgb(0 0 0 / 0.06);
    --shadow-card-hover: 0 12px 40px rgb(0 0 0 / 0.12);

    /* ========================================
       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);

    --duration-fast: 150ms;
    --duration-base: 250ms;
    --duration-slow: 400ms;
    --duration-slower: 600ms;

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

    /* ========================================
       Z-INDEX
       ======================================== */

    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: var(--color-dark-950);
        --color-surface: var(--color-dark-900);
        --color-text: var(--color-dark-100);
        --color-text-muted: var(--color-dark-400);
    }
}