/* ============================================
   DESIGN TOKENS — Peritus Digital Premium
   ============================================ */

:root {
    /* Background hierarchy */
    --color-bg: #0A0A0F;
    --color-bg-elevated: #12121A;
    --color-bg-hover: #1A1A25;

    /* Borders */
    --color-border: rgba(255,255,255,0.06);
    --color-border-hover: rgba(255,255,255,0.12);

    /* Text on dark */
    --color-text-primary: rgba(255,255,255,0.9);
    --color-text-secondary: rgba(255,255,255,0.5);
    --color-text-muted: rgba(255,255,255,0.3);

    /* Accent */
    --color-accent: #0067FF;
    --color-accent-hover: #3385FF;
    --color-white: #FFFFFF;

    /* Pillar colours */
    --color-ai: #7C3AED;
    --color-cyber: #0067FF;
    --color-digital: #06B6D4;
    --color-cloud: #3B82F6;
    --color-consulting: #10B981;

    /* Typography */
    --font-heading: 'IBM Plex Serif', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Type scale */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.75rem;
    --font-size-5xl: 3.75rem;
    --font-size-hero: 5.5rem;

    /* Line heights */
    --line-height-tight: 1.05;
    --line-height-heading: 1.15;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.75;

    /* 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-section: 160px;
    --space-section-sm: 120px;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 720px;
    --header-height: 80px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s ease-out;
    --transition-reveal: 0.8s ease-out;
}