/* ==========================================================================
   Design Tokens — The Intellectual Rebel
   ========================================================================== */

:root {
  /* Surface & Background */
  --surface:                 #FBF6EE;
  --surface-container-low:   #F5F0E7;
  --surface-container:       #EDE8DE;
  --surface-container-high:  #E7E2D8;
  --surface-container-highest:#E1DCD2;
  --surface-container-lowest:#FFFFFF;
  --surface-dim:             #D9D4C9;
  --surface-dark:            #0D0D0F;

  /* Text */
  --on-surface:              #302F29;
  --on-surface-variant:      #5E5B55;
  --on-surface-light:        #FBF6EE;

  /* Primary — Amber/Brown */
  --primary:                 #815100;
  --primary-container:       #F8A010;
  --primary-fixed:           #F8A010;
  --primary-dim:             #714600;
  --on-primary:              #FFF0E3;
  --on-primary-container:    #4A2C00;

  /* Accent — Warm Amber (for borders, highlights) */
  --accent:                  #F59E0B;

  /* Outline */
  --outline:                 #797670;
  --outline-variant:         #B0ADA5;

  /* Error */
  --error:                   #B02500;

  /* Inverse */
  --inverse-surface:         #0F0E0A;

  /* Typography Scale — Space Grotesk + Newsreader */
  --font-headline:           'Space Grotesk', system-ui, sans-serif;
  --font-body:               'Inter', system-ui, sans-serif;
  --font-label:              'Inter', system-ui, sans-serif;

  /* Display sizes — fluid, capped at both ends */
  --text-display-lg:         clamp(3rem, 12vw, 12rem);
  --text-display-md:         clamp(2.5rem, 8vw, 8rem);
  --text-display-sm:         clamp(2rem, 5vw, 4rem);

  /* Heading sizes */
  --text-heading-xl:         clamp(1.75rem, 4vw, 3rem);
  --text-heading-lg:         clamp(1.5rem, 3vw, 2.25rem);
  --text-heading-md:         clamp(1.25rem, 2vw, 1.5rem);
  --text-heading-sm:         1.125rem;

  /* Body sizes */
  --text-body-lg:            clamp(1.125rem, 1.5vw, 1.5rem);
  --text-body-md:            clamp(1rem, 1.3vw, 1.375rem);
  --text-body-sm:            clamp(1rem, 2vw, 1.375rem);

  /* Label sizes */
  --text-label-lg:           clamp(0.9375rem, 1.5vw, 1.1875rem);
  --text-label-md:           clamp(0.875rem, 1.4vw, 1.125rem);
  --text-label-sm:           clamp(0.8125rem, 1.3vw, 1.0625rem);

  /* Font weights */
  --weight-thin:             300;
  --weight-regular:          400;
  --weight-medium:           500;
  --weight-bold:             700;
  --weight-black:            900;

  /* Spacing scale (rem) */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --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 */
  --max-width:               1440px;
  --gutter:                  clamp(1rem, 3vw, 2rem);

  /* Transitions */
  --ease-out:                cubic-bezier(0.2, 0.8, 0.2, 1);
  --duration-fast:           200ms;
  --duration-normal:         300ms;
  --duration-slow:           700ms;

  /* Border */
  --border-ghost:            0.5px solid rgba(176, 173, 165, 0.3);
  --border-accent:           4px solid var(--accent);
}