/* ── Kerstin Rachfahl — Spacing, radii, shadow, layout tokens ─────────
   A calm, generous editorial rhythm. Soft (not sharp) corners; restrained
   shadows — the design relies on cream/white section changes, not lines or
   heavy depth. The book covers are the only loud objects on the page.
   ───────────────────────────────────────────────────────────────────── */

:root {
  /* Spacing scale (4px base) */
  --space-1:  0.25rem;  /*  4px */
  --space-2:  0.5rem;   /*  8px */
  --space-3:  0.75rem;  /* 12px */
  --space-4:  1rem;     /* 16px */
  --space-5:  1.5rem;   /* 24px */
  --space-6:  2rem;     /* 32px */
  --space-7:  3rem;     /* 48px */
  --space-8:  4rem;     /* 64px */
  --space-9:  6rem;     /* 96px */
  --space-10: 8rem;     /* 128px — vertical section gap, desktop */

  /* Radii — soft, modest. Covers stay near-square; UI is gently rounded. */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-pill: 999px;
  --radius-cover: 3px;   /* book covers: a whisper of rounding */

  /* Shadows — quiet. Covers get a believable book-shelf shadow. */
  --shadow-none:  none;
  --shadow-sm:    0 1px 2px rgba(0,0,0,0.05);
  --shadow-card:  0 2px 10px rgba(0,0,0,0.06);
  --shadow-cover: 0 10px 30px rgba(0,0,0,0.18), 0 2px 8px rgba(0,0,0,0.10);
  --shadow-lift:  0 16px 40px rgba(0,0,0,0.14);

  /* Layout */
  --container:      1180px;  /* max content width */
  --container-text: 680px;   /* prose measure for blurbs */
  --gutter:         var(--space-5);
  --section-y:      var(--space-10);

  /* Motion — understated. Fades and gentle eases; no bounce, no spring. */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1); /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast:   140ms; /* @kind other */
  --dur-base:   240ms; /* @kind other */
  --dur-slow:   420ms; /* @kind other */
}