/* ==========================================================================
   Mettle Law — Design Tokens
   Aubergine / Warm Ivory / Brass, drawn from the firm's visual identity.
   ========================================================================== */

:root {
  --aubergine-900: #1D1017;
  --aubergine-800: #2A1925;
  --aubergine-700: #3B2530;
  --aubergine-600: #563C48;
  --aubergine-tint: #EFE7E9;

  --ivory-100: #FBF8F1;
  --ivory-200: #F6F1E7;
  --ivory-300: #EFE7D6;
  --ivory-line: #E1D6C0;

  --brass-300: #D3B685;
  --brass-400: #C0A06A;
  --brass-500: #A8834F;
  --brass-600: #8B6B3D;
  --brass-wash: #F1E8D6;

  --color-bg: var(--ivory-200);
  --color-bg-soft: var(--ivory-100);
  --color-bg-recessed: var(--ivory-300);
  --color-bg-dark: var(--aubergine-800);
  --color-bg-dark-deep: var(--aubergine-900);

  --color-ink: var(--aubergine-800);
  --color-ink-muted: #6E5A63;
  --color-ink-soft: #8E7B84;
  --color-on-dark: var(--ivory-200);
  --color-on-dark-muted: #C9B9C2;

  --color-accent: var(--brass-500);
  --color-accent-strong: var(--brass-600);
  --color-accent-light: var(--brass-300);

  --color-border: var(--ivory-line);
  --color-border-dark: var(--aubergine-600);

  --font-display: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-label: 0.75rem;
  --fs-small: 0.9rem;
  --fs-body: 1.0625rem;
  --fs-body-lg: 1.1875rem;
  --fs-h4: clamp(1.25rem, 1.1rem + 0.6vw, 1.6rem);
  --fs-h3: clamp(1.4rem, 1.2rem + 1.2vw, 2.25rem);
  --fs-h2: clamp(1.75rem, 1.35rem + 2vw, 3.1rem);
  --fs-h1: clamp(2.1rem, 1.5rem + 3.6vw, 4.75rem);
  --fs-display: clamp(2.5rem, 1.5rem + 5vw, 6rem);

  --lh-tight: 1.08;
  --lh-snug: 1.25;
  --lh-normal: 1.6;
  --lh-relaxed: 1.75;

  --tracking-wide: 0.14em;
  --tracking-wider: 0.22em;

  --container-max: 1240px;
  --container-narrow: 820px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --header-h: 84px;
  --section-pad: clamp(4rem, 8vw, 8rem);
  --section-pad-sm: clamp(2.75rem, 5vw, 4.5rem);

  --radius-sm: 2px;
  --radius-md: 4px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 220ms;
  --dur-med: 480ms;
  --dur-slow: 900ms;

  --shadow-card: 0 1px 2px rgba(29, 16, 23, 0.04), 0 12px 32px -16px rgba(29, 16, 23, 0.18);
  --shadow-lift: 0 4px 8px rgba(29, 16, 23, 0.06), 0 24px 48px -20px rgba(29, 16, 23, 0.28);
  --shadow-header: 0 1px 0 rgba(29, 16, 23, 0.06), 0 12px 24px -18px rgba(29, 16, 23, 0.25);
}