/* ============================================================
   REVELL · SPACE, SHAPE, DEPTH, MOTION
   ============================================================ */
:root {
  /* Spacing — 4px base grid */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Radius — Revell surfaces are generously rounded.
     Cards 16–22px, insets 10–14px, pills 999px. */
  --radius-sm:  8px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  16px;
  --radius-2xl: 22px;
  --radius-pill: 999px;

  /* Borders — always 1px hairlines; brand tint at low alpha */
  --border-width: 1px;
  --border-hair: 1px solid var(--border);
  --border-tint: 1px solid rgba(74,157,157,0.12);

  /* Elevation — soft, deep, cool shadows on the night.
     Cards layer a faint inner brand ring under the drop shadow. */
  --shadow-sm:  0 1px 0 rgba(0,0,0,0.2);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.30), 0 0 0 1px rgba(140,203,210,0.05);
  --shadow-lg:  0 24px 80px rgba(0,0,0,0.28);
  --shadow-glow: 0 0 8px rgba(74,222,128,0.4);

  /* Blur — frosted panels over the starfield */
  --blur-panel: blur(12px); /* @kind other */

  /* Motion — calm, un-bouncy. Memory should feel steady. */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast: 0.15s; /* @kind other */
  --dur-med:  0.28s; /* @kind other */
  --dur-slow: 0.6s; /* @kind other */
}