/* ============================================
   ZybeR Design Tokens
   ============================================ */

:root {
  /* --- Brand Colors --- */
  --accent: #8b5cf6;
  --accent-hover: #a78bfa;
  --accent-dark: #7c3aed;
  --accent-glow: rgba(139, 92, 246, 0.35);
  --accent-glow-soft: rgba(139, 92, 246, 0.15);

  /* --- Dark Mode (Default) --- */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0f;
  --bg-tertiary: #111118;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);

  /* Glass */
  --glass-bg: rgba(10, 10, 20, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

  /* --- Typography --- */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'PT Sans', sans-serif;

  --fs-display: clamp(2.5rem, 5vw, 4rem);
  --fs-h1: clamp(2rem, 4vw, 3rem);
  --fs-h2: clamp(1.75rem, 3.5vw, 2.5rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.5rem);
  --fs-body: 1rem;
  --fs-body-lg: 1.125rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

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

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

  /* --- 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 --- */
  --container-max: 1200px;
  --container-padding: 1.25rem;
  --section-padding: var(--space-4xl) 0;

  /* --- Border Radius --- */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 4px 24px var(--accent-glow);

  /* --- Transitions --- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   Light Mode Overrides
   ============================================ */

html.light {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #ebebef;
  --bg-card: rgba(0, 0, 0, 0.02);
  --bg-card-hover: rgba(0, 0, 0, 0.05);
  --text-primary: #111111;
  --text-secondary: #555555;
  --text-muted: #888888;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(0, 0, 0, 0.15);

  --accent: #7c3aed;
  --accent-hover: #6d28d9;
  --accent-glow: rgba(124, 58, 237, 0.2);
  --accent-glow-soft: rgba(124, 58, 237, 0.08);

  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);

  --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 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-accent: 0 4px 24px var(--accent-glow);
}