/* Harmony Tree — Spacing, radii, shadow, motion tokens */
:root {
  /* ---- Spacing (4px base) ---- */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4 */
  --space-2: 0.5rem;   /* 8 */
  --space-3: 0.75rem;  /* 12 */
  --space-4: 1rem;     /* 16 */
  --space-5: 1.5rem;   /* 24 */
  --space-6: 2rem;     /* 32 */
  --space-7: 2.5rem;   /* 40 */
  --space-8: 3rem;     /* 48 */
  --space-9: 4rem;     /* 64 */
  --space-10: 5rem;    /* 80 */
  --space-12: 6rem;    /* 96 */

  /* ---- Radii — soft & rounded, echoing the pillowy leaves ---- */
  --radius-xs:  6px;
  --radius-sm:  10px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-2xl: 36px;
  --radius-pill: 999px;

  /* ---- Shadows — soft, warm-tinted, never harsh black ---- */
  --shadow-xs:  0 1px 2px rgba(95,83,71,0.06);
  --shadow-sm:  0 2px 6px rgba(95,83,71,0.08);
  --shadow-md:  0 6px 16px rgba(95,83,71,0.10);
  --shadow-lg:  0 14px 30px rgba(95,83,71,0.12);
  --shadow-xl:  0 24px 50px rgba(95,83,71,0.14);
  --shadow-focus: 0 0 0 4px rgba(142,203,174,0.40);

  /* ---- Borders ---- */
  --border-width: 1.5px;
  --border-width-strong: 2px;

  /* ---- Motion — gentle, friendly, a touch of bounce ---- */
  --ease-out:    cubic-bezier(0.22, 0.61, 0.36, 1); /* @kind other */
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1); /* @kind other */
  --dur-fast:   140ms; /* @kind other */
  --dur-base:   220ms; /* @kind other */
  --dur-slow:   380ms; /* @kind other */

  /* ---- Layout ---- */
  --container-sm: 640px;
  --container-md: 820px;
  --container-lg: 1080px;
  --container-xl: 1240px;
}