:root {
  /* Colors */
  --color-bg:          #0a0a0f;
  --color-surface:     #111118;
  --color-surface-2:   #18181f;
  --color-border:      #ffffff0f;
  --color-border-2:    #ffffff1a;

  --color-text:        #f0f0f5;
  --color-text-muted:  #8888a0;
  --color-text-faint:  #55556a;

  --color-accent:      #6366f1;   /* indigo — trust, clarity */
  --color-accent-dim:  #6366f120;
  --color-accent-glow: #6366f140;
  --color-accent-2:    #a5b4fc;   /* lighter indigo for hover/detail */

  /* Spacing scale (8px base) */
  --sp-1:  0.5rem;   /*  8px */
  --sp-2:  1rem;     /* 16px */
  --sp-3:  1.5rem;   /* 24px */
  --sp-4:  2rem;     /* 32px */
  --sp-5:  3rem;     /* 48px */
  --sp-6:  4rem;     /* 64px */
  --sp-7:  6rem;     /* 96px */
  --sp-8:  8rem;     /* 128px */

  /* Typography */
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Mono', monospace;

  --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:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;
  --text-7xl:   4.5rem;

  --leading-tight:  1.2;
  --leading-snug:   1.35;
  --leading-normal: 1.6;

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:    0 1px 3px #00000040;
  --shadow-md:    0 4px 24px #00000060;
  --shadow-glow:  0 0 48px #6366f120;

  /* Transitions */
  --transition: 200ms ease;
}