/* ============================================
   EnerQia - Design System Variables
   ============================================ */

:root {
    /* Colors - warm, natural, healing */
    --color-primary: #D4A03C;
    --color-primary-dark: #B8862E;
    --color-primary-light: #F5E6C8;
    --color-primary-subtle: #FBF5EA;

    --color-cta: #B8C4D4;
    --color-cta-hover: #A0B0C4;
    --color-cta-text: #FFFFFF;

    --color-text: #2C2C2C;
    --color-text-light: #6B6B6B;
    --color-text-muted: #999999;

    --color-bg: #FFFFFF;
    --color-bg-warm: #FAFAF7;
    --color-bg-section: #F5F3EF;
    --color-bg-footer: #F0EEEA;

    --color-border: #E5E0DA;
    --color-border-light: #F0EDE8;

    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-error: #C0392B;
    --color-success: #27AE60;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Raleway', 'Segoe UI', -apple-system, BlinkMacSystemFont, 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: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;

    --leading-tight: 1.2;
    --leading-normal: 1.6;
    --leading-relaxed: 1.8;

    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 800px;
    --max-width-text: 700px;
    --sidebar-width: 300px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

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

    /* Z-index layers */
    --z-dropdown: 100;
    --z-header: 200;
    --z-overlay: 300;
    --z-modal: 400;
}