/* ============================================================
   BLACKLIGHT — Effects: gradients, radius, shadow, motion
   The metallic gold gradient and the dark "well" radial are
   signature surfaces. Corners are restrained; shadows deep.
   ============================================================ */
:root{
  /* ---- Signature gradients ---- */
  /* Metallic gold: highlight → mid → core → shadow. Use on
     foil text, primary buttons, hairline accents. */
  --grad-gold:linear-gradient(180deg,#F6E3A8 0%,#D3AC58 34%,#B68C36 62%,#7E5F1E 100%); /* @kind color */
  /* Dark "well": the recessed radial behind heroes, cards, nav. */
  --grad-surface:radial-gradient(130% 130% at 50% 0%, #1C1C20 0%, #090909 72%); /* @kind color */
  /* Subtle paper vignette for light/ivory surfaces. */
  --grad-paper:radial-gradient(120% 120% at 50% 0%, #FBF8F1 0%, #F1EBDF 100%); /* @kind color */

  /* ---- Corner radius (restrained — never pill-shaped cards) ---- */
  --radius-sm:4px;   /* buttons, inputs, chips */
  --radius-md:6px;   /* cards, nav bar */
  --radius-lg:10px;  /* hero panels, dialogs */
  --radius-pill:999px;

  /* ---- Shadow system (deep, soft, black) ---- */
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-float:0 30px 60px rgba(0,0,0,.55);
  --shadow-inset:inset 0 1px 0 rgba(246,227,168,.06);

  /* ---- Motion ---- */
  --ease:cubic-bezier(.2,.6,.2,1); /* @kind other */
  --dur:240ms;      /* @kind other */
  --dur-fast:140ms; /* @kind other */
}