/* ============================================
   TOKENS.CSS — True Click SEO
   Design system tokens — single source of truth
   ============================================ */

:root {

  /* ── Colors ────────────────────────────────── */
  --color-bg:        #F7F7F5;
  --color-bg-dark:   #0E0E0C;
  --color-surface:   #EFEFED;
  --color-surface-2: #E8E8E6;
  --color-text:      #111111;
  --color-muted:     #666666;
  --color-subtle:    #999999;
  --color-border:    #E0E0DE;
  --color-accent:    #0055FF;
  --color-accent-dim:#0055FF22;
  --color-white:     #FFFFFF;
  --color-invert-bg: #111111;
  --color-invert-text: #F7F7F5;

  /* ── Typography ─────────────────────────────── */
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* Fluid type scale — clamp(min, fluid, max) */
  --text-xs:   clamp(0.7rem,  0.9vw, 0.8rem);
  --text-sm:   clamp(0.8rem,  1.0vw, 0.9rem);
  --text-base: clamp(0.9rem,  1.1vw, 1rem);
  --text-md:   clamp(1rem,    1.3vw, 1.125rem);
  --text-lg:   clamp(1.125rem,1.6vw, 1.375rem);
  --text-xl:   clamp(1.375rem,2.2vw, 1.75rem);
  --text-2xl:  clamp(1.75rem, 3.2vw, 2.5rem);
  --text-3xl:  clamp(2.25rem, 5vw,   3.75rem);
  --text-4xl:  clamp(3rem,    7vw,   5.5rem);
  --text-hero: clamp(3.5rem,  9vw,   8rem);

  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semibold:600;
  --weight-bold:    700;
  --weight-black:   800;

  --leading-tight:  1.1;
  --leading-snug:   1.3;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  --tracking-tight:  -0.03em;
  --tracking-normal:  0em;
  --tracking-wide:    0.04em;
  --tracking-wider:   0.1em;
  --tracking-widest:  0.2em;

  /* ── Spacing ─────────────────────────────────── */
  --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;
  --space-40: 10rem;
  --space-48: 12rem;

  /* Section vertical padding */
  --section-py: clamp(5rem, 10vw, 9rem);

  /* ── Layout ──────────────────────────────────── */
  --container-sm:  640px;
  --container-md:  800px;
  --container-lg:  1100px;
  --container-xl:  1280px;
  --container-2xl: 1440px;
  --container-pad: clamp(1.25rem, 5vw, 4rem);

  /* ── Borders & Radius ────────────────────────── */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-2xl:  36px;
  --radius-full: 9999px;
  --border-thin: 1px solid var(--color-border);

  /* ── Shadows ─────────────────────────────────── */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl:  0 32px 80px rgba(0,0,0,0.14), 0 8px 24px rgba(0,0,0,0.06);

  /* ── Motion ──────────────────────────────────── */
  --ease-out-expo:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:    cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:    cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-sharp:     cubic-bezier(0.7, 0, 0.3, 1);

  --dur-fast:  180ms;
  --dur-med:   360ms;
  --dur-slow:  600ms;
  --dur-xslow: 900ms;

  --transition-fast: var(--dur-fast) var(--ease-out-expo);
  --transition-med:  var(--dur-med)  var(--ease-out-expo);
  --transition-slow: var(--dur-slow) var(--ease-out-expo);

  /* ── Z-index ─────────────────────────────────── */
  --z-base:       0;
  --z-raised:     10;
  --z-dropdown:   100;
  --z-sticky:     200;
  --z-overlay:    300;
  --z-modal:      400;
  --z-cursor:     999;
  --z-transition: 9999;
}