/* ============================================
   MC.JOHNSON & PARTNERS — Design Tokens
   Source unique de vérité pour l'identité visuelle
   ============================================ */

:root {
    /* --- COULEURS --- */
    --color-black: #0A0A0A;
    --color-white: #FFFFFF;
    --color-bg: #FAFAF7;
    --color-bg-alt: #F2F1EC;
    --color-text: #1A1A1A;
    --color-text-secondary: #6B6B6B;
    --color-text-muted: #999999;
    --color-text-on-dark: #B5B5B5;
    --color-border: #E5E5E2;
    --color-border-strong: #1A1A1A;
    --color-accent: #E63A11;
    --color-accent-hover: #C62F0E;
    --color-success: #1D9E75;
    --color-error: #D8392E;

    /* --- TYPOGRAPHIE --- */
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: clamp(1.5rem, 2vw, 2rem);
    --text-3xl: clamp(2rem, 3vw, 3rem);
    --text-4xl: clamp(2.5rem, 5vw, 4.5rem);
    --text-hero: clamp(2.5rem, 7vw, 5.5rem);

    --weight-regular: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;

    --leading-tight: 1.05;
    --leading-snug: 1.2;
    --leading-normal: 1.5;
    --leading-relaxed: 1.7;

    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.15em;

    /* --- ESPACEMENTS --- */
    --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;

    /* --- LAYOUT --- */
    --container-max: 1440px;
    --container-narrow: 800px;
    --container-padding: clamp(1rem, 4vw, 3rem);
    --header-height: 80px;
    --header-height-mobile: 64px;

    /* --- BORDERS / RADIUS --- */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;

    /* --- TRANSITIONS --- */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 200ms;
    --duration-base: 400ms;
    --duration-slow: 800ms;

    /* --- Z-INDEX --- */
    --z-header: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* --- BREAKPOINTS (à utiliser comme @media (min-width: ...)) ---
   sm: 640px   — gros mobile
   md: 768px   — tablette
   lg: 1024px  — petit laptop
   xl: 1280px  — desktop
   2xl: 1536px — grand écran
*/