/**
 * Design Tokens & Variables
 * HRD Forum Executive Training Platform
 */

:root {
    /* Primary Brand Colors */
    --color-primary: #0A192F;
    --color-primary-dark: #020C1B;
    --color-primary-light: #172A45;
    --color-secondary: #0052CC;
    --color-secondary-hover: #0747A6;
    --color-accent: #C5A059;
    --color-accent-hover: #B38E47;
    --color-accent-soft: rgba(197, 160, 89, 0.12);

    /* Backgrounds & Neutrals */
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-surface-muted: #F1F5F9;
    --color-text: #0F172A;
    --color-text-muted: #475569;
    --color-text-light: #94A3B8;
    --color-border: #E2E8F0;
    --color-border-dark: #CBD5E1;

    /* Semantic Status */
    --color-success: #059669;
    --color-warning: #D97706;
    --color-error: #DC2626;

    /* Typography */
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;

    /* Fluid Typography Scale */
    --text-xs: clamp(0.75rem, 0.70rem + 0.25vw, 0.8125rem);
    --text-sm: clamp(0.875rem, 0.825rem + 0.25vw, 0.9375rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
    --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
    --text-3xl: clamp(1.875rem, 1.65rem + 1.15vw, 2.375rem);
    --text-4xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);

    /* Spacing Units */
    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4.5rem;

    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1240px;

    /* Radius & Elevation */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08);
}