:root {

  /* ═══════════════════════════════════════
     ELEVATION SCALE
     Letterpress-inspired: hairline borders +
     warm-tinted shadows, never pure-black.
     ═══════════════════════════════════════ */

  --shadow-0: none;

  /* Level 1 — cards, form panels */
  --shadow-1: 0 1px 2px rgba(42, 26, 20, 0.06);

  /* Level 2 — hover / raised cards */
  --shadow-2: 0 8px 24px rgba(42, 26, 20, 0.10);

  /* Level 3 — modals, lightbox, sticky nav */
  --shadow-3: 0 16px 48px rgba(2, 62, 34, 0.18);

  /* ═══════════════════════════════════════
     FOIL EMPHASIS
     Gold-bright inset line for featured CTAs.
     Use sparingly — one per view maximum.
     ═══════════════════════════════════════ */

  --foil: inset 0 0 0 1px var(--gold-bright);
}