/* ==========================================================================
   Aeon Bloc: Design Tokens
   Source: Marketing Canon Doc 03 (Brand Style Guide, LOCKED) for color/type.
   Spacing/radii/motion/breakpoints are implementation defaults per AB-WEB-13
   ("Claude may select technologies/tokens provided outcomes are preserved")
   pending the future AB-WEB-15 Design System doc.
   ========================================================================== */

:root {
  /* ---- Color: LOCKED per Brand Style Guide Doc 03 ---- */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-gold: #c9a227;
  --color-gold-dark: #8a6d1e;
  --color-gray-1: #3a3a3a; /* body text on white */
  --color-gray-2: #5a5a5a; /* secondary text */
  --color-gray-3: #9a9a9a; /* muted / disabled */
  --color-gray-4: #d0d0d0; /* dividers, borders */

  /* Semantic aliases */
  --color-bg: var(--color-white);
  --color-bg-inverse: var(--color-black);
  --color-text: var(--color-black);
  --color-text-secondary: var(--color-gray-1);
  --color-text-muted: var(--color-gray-2);
  --color-border: var(--color-gray-4);
  --color-accent: var(--color-gold);
  --color-accent-dark: var(--color-gold-dark);

  /* ---- Typography: LOCKED pairing per Brand Style Guide Doc 03 ---- */
  --font-display: Cambria, Georgia, "Times New Roman", serif;
  --font-body: Calibri, "Segoe UI", Helvetica, Arial, sans-serif;

  --fs-hero: clamp(2.25rem, 1.6rem + 3vw, 3.75rem);
  --fs-h1: clamp(1.875rem, 1.5rem + 1.6vw, 2.75rem);
  --fs-h2: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --fs-h3: clamp(1.25rem, 1.15rem + 0.4vw, 1.5rem);
  --fs-body: 1.0625rem;
  --fs-body-lg: 1.25rem;
  --fs-small: 0.9375rem;
  --fs-caption: 0.8125rem;

  --lh-tight: 1.15;
  --lh-heading: 1.3;
  --lh-body: 1.65;

  /* ---- Spacing (8px rhythm) ---- */
  --space-1: 0.25rem;  /* 4  */
  --space-2: 0.5rem;   /* 8  */
  --space-3: 1rem;     /* 16 */
  --space-4: 1.5rem;   /* 24 */
  --space-5: 2rem;     /* 32 */
  --space-6: 3rem;     /* 48 */
  --space-7: 4rem;     /* 64 */
  --space-8: 6rem;     /* 96 */
  --space-9: 8rem;     /* 128 */

  /* ---- Layout ---- */
  --max-width: 1200px;
  --max-width-reading: 42rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* ---- Radii & elevation (minimal per brand: calm, not decorative) ---- */
  --radius-sm: 3px;
  --radius-md: 6px;
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.05);

  /* ---- Motion ---- */
  --ease-standard: cubic-bezier(0.2, 0.6, 0.2, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  /* ---- Header ---- */
  --header-height: 84px;
  --header-height-scrolled: 64px;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-base: 0ms;
    --duration-slow: 0ms;
  }
}