/* ============================================================
   REGALO PRINT — DESIGN TOKENS
   Ultra-premium editorial system for a B2B commercial printer.
   Palette: ink / paper / oxblood (lacquer) / brass (foil)
   ============================================================ */

:root {
  /* ---- Core palette ---- */
  --ink-950: #0F0D0B;
  --ink-900: #16130F;
  --ink-800: #221E19;
  --ink-700: #3A342C;
  --ink-600: #5B5348;
  --ink-500: #7D7468;
  --ink-400: #A69C8D;

  --paper-000: #FFFFFF;
  --paper-050: #FBF8F2;
  --paper-100: #F5F0E6;
  --paper-200: #ECE4D4;
  --paper-300: #DED2B9;

  --lacquer-900: #4A0E1A;
  --lacquer-700: #7A1626;
  --lacquer-600: #8C1D30;
  --lacquer-500: #A62439;
  --lacquer-400: #C0344A;
  --lacquer-100: #F4E1E4;

  --brass-700: #8A6C33;
  --brass-500: #B08D57;
  --brass-400: #C7A96E;
  --brass-200: #E8DAB9;
  --brass-100: #F2EAD4;

  --success-600: #2F6B4F;
  --line-soft: rgba(22, 19, 15, 0.10);
  --line-strong: rgba(22, 19, 15, 0.22);
  --line-on-dark: rgba(251, 248, 242, 0.14);
  --line-on-dark-strong: rgba(251, 248, 242, 0.28);

  /* ---- Semantic ---- */
  --color-bg: var(--paper-050);
  --color-bg-alt: var(--paper-100);
  --color-surface: var(--paper-000);
  --color-ink: var(--ink-900);
  --color-ink-soft: var(--ink-700);
  --color-ink-muted: var(--ink-500);
  --color-accent: var(--lacquer-600);
  --color-accent-strong: var(--lacquer-700);
  --color-accent-soft: var(--lacquer-100);
  --color-gold: var(--brass-500);
  --color-inverse-bg: var(--ink-900);
  --color-inverse-ink: var(--paper-050);

  /* ---- Typography ---- */
  --font-display: 'Fraunces', 'Iowan Old Style', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-xs: clamp(0.72rem, 0.69rem + 0.12vw, 0.78rem);
  --fs-sm: clamp(0.82rem, 0.79rem + 0.14vw, 0.9rem);
  --fs-base: clamp(0.98rem, 0.94rem + 0.16vw, 1.05rem);
  --fs-md: clamp(1.1rem, 1.03rem + 0.3vw, 1.3rem);
  --fs-lg: clamp(1.3rem, 1.18rem + 0.55vw, 1.7rem);
  --fs-xl: clamp(1.6rem, 1.4rem + 0.9vw, 2.2rem);
  --fs-2xl: clamp(2rem, 1.6rem + 1.6vw, 3rem);
  --fs-3xl: clamp(2.6rem, 2rem + 2.6vw, 4.2rem);
  --fs-4xl: clamp(3.2rem, 2.3rem + 3.8vw, 5.6rem);
  --fs-5xl: clamp(4rem, 2.6rem + 5.8vw, 7.6rem);

  --lh-tight: 1.05;
  --lh-snug: 1.2;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.06em;
  --tracking-wider: 0.14em;
  --tracking-widest: 0.24em;

  /* ---- Spacing (4px base) ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5rem;
  --space-11: 6.5rem;
  --space-12: 8rem;
  --space-13: 10rem;

  --container-max: 1360px;
  --container-narrow: 860px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* ---- Radius ---- */
  --radius-sharp: 0;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-pill: 999px;

  /* ---- Shadow ---- */
  --shadow-sm: 0 1px 2px rgba(15, 13, 11, 0.06), 0 1px 1px rgba(15, 13, 11, 0.04);
  --shadow-md: 0 8px 24px -8px rgba(15, 13, 11, 0.16), 0 2px 8px -2px rgba(15, 13, 11, 0.08);
  --shadow-lg: 0 24px 64px -16px rgba(15, 13, 11, 0.24), 0 8px 24px -8px rgba(15, 13, 11, 0.12);
  --shadow-inset-line: inset 0 0 0 1px var(--line-soft);

  /* ---- Motion ---- */
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 180ms;
  --dur-med: 420ms;
  --dur-slow: 720ms;

  --z-nav: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;
}