/**
 * CSS Design System Variables
 * Mwangi Kiai LLP
 * Premium Navy & Gold Theme
 */

:root {
    /* ========================================
       PRIMARY COLORS
       ======================================== */
    --primary-navy: #0A1A2F;
    --accent-gold: #C9A959;
    --clean-white: #FFFFFF;
    --warm-sand: #D8C8A0;

    /* Extended Navy Palette */
    --navy-50: #E8EBF0;
    --navy-100: #C5CDD9;
    --navy-200: #9FADC0;
    --navy-300: #788DA7;
    --navy-400: #5B7594;
    --navy-500: #3E5D81;
    --navy-600: #354F6E;
    --navy-700: #2A3F58;
    --navy-800: #1F2F43;
    --navy-900: #0A1A2F;

    /* Extended Gold Palette */
    --gold-50: #FBF8F0;
    --gold-100: #F5EDD8;
    --gold-200: #EDE0BC;
    --gold-300: #E5D4A1;
    --gold-400: #D9C57A;
    --gold-500: #C9A959;
    --gold-600: #B8944A;
    --gold-700: #A68A3A;
    --gold-800: #8A722F;
    --gold-900: #6E5A25;
    --gold-light: #E5D4A1;
    --gold-dark: #A68A3A;

    /* ========================================
       NEUTRAL COLORS
       ======================================== */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* ========================================
       SEMANTIC COLORS
       ======================================== */
    --success: #059669;
    --success-light: #D1FAE5;
    --warning: #D97706;
    --warning-light: #FEF3C7;
    --error: #DC2626;
    --error-light: #FEE2E2;
    --info: #2563EB;
    --info-light: #DBEAFE;

    /* ========================================
       TYPOGRAPHY
       ======================================== */
    --font-heading: 'EB Garamond', Garamond, 'Times New Roman', serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-handwritten: 'Reenie Beanie', cursive;
    --font-mono: 'Fira Code', 'Consolas', monospace;

    /* Font Sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */

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

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

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

    /* ========================================
       SPACING
       ======================================== */
    --spacing-0: 0;
    --spacing-1: 0.25rem;    /* 4px */
    --spacing-2: 0.5rem;     /* 8px */
    --spacing-3: 0.75rem;    /* 12px */
    --spacing-4: 1rem;       /* 16px */
    --spacing-5: 1.25rem;    /* 20px */
    --spacing-6: 1.5rem;     /* 24px */
    --spacing-8: 2rem;       /* 32px */
    --spacing-10: 2.5rem;    /* 40px */
    --spacing-12: 3rem;      /* 48px */
    --spacing-16: 4rem;      /* 64px */
    --spacing-20: 5rem;      /* 80px */
    --spacing-24: 6rem;      /* 96px */
    --spacing-32: 8rem;      /* 128px */

    /* ========================================
       LAYOUT
       ======================================== */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;

    /* ========================================
       BORDERS & RADIUS
       ======================================== */
    --border-width: 1px;
    --border-width-2: 2px;
    --border-width-4: 4px;

    --radius-none: 0;
    --radius-sm: 0.125rem;   /* 2px */
    --radius-base: 0.25rem;  /* 4px */
    --radius-md: 0.375rem;   /* 6px */
    --radius-lg: 0.5rem;     /* 8px */
    --radius-xl: 0.75rem;    /* 12px */
    --radius-2xl: 1rem;      /* 16px */
    --radius-3xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;

    /* ========================================
       SHADOWS
       ======================================== */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    --shadow-gold: 0 4px 14px 0 rgba(201, 169, 89, 0.39);

    /* ========================================
       TRANSITIONS
       ======================================== */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 500ms ease;

    /* ========================================
       Z-INDEX SCALE
       ======================================== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* ========================================
       COMPONENT-SPECIFIC
       ======================================== */
    /* Top Bar */
    --top-bar-height: 40px;
    --top-bar-height-mobile: 36px;
    --top-bar-height-small: 32px;

    /* Header */
    --header-height: 80px;
    --header-height-mobile: 60px;
    --header-height-small: 56px;
    --header-height-scrolled: 64px;
    --header-offset: calc(var(--top-bar-height) + var(--header-height));
    --header-offset-mobile: calc(var(--top-bar-height-mobile) + var(--header-height-mobile));
    --header-offset-small: calc(var(--top-bar-height-small) + var(--header-height-small));

    /* Buttons */
    --btn-padding-x: 1.5rem;
    --btn-padding-y: 0.75rem;
    --btn-font-size: var(--text-base);

    /* Cards */
    --card-padding: var(--spacing-6);
    --card-radius: var(--radius-xl);
    --card-shadow: var(--shadow-md);

    /* Forms */
    --input-padding-x: var(--spacing-4);
    --input-padding-y: var(--spacing-3);
    --input-radius: var(--radius-md);
    --input-border-color: var(--gray-300);
    --input-focus-border-color: var(--accent-gold);
}

/* Dark mode variables (if needed later) */
@media (prefers-color-scheme: dark) {
    :root.dark-mode {
        --bg-primary: var(--navy-900);
        --bg-secondary: var(--navy-800);
        --text-primary: var(--clean-white);
        --text-secondary: var(--gray-300);
    }
}