/* NeoGas — Spacing, radii, shadows, layout
   Cards & buttons: slightly rounded, one-toned fills, NO visible stroke. */
:root {
  /* ── Spacing scale (4px base) ─────────────────── */
  --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;
  --space-20: 80px;
  --space-24: 96px;

  /* ── Radii (subtle round) ───────────────────── */
  --radius-sm:   4px;
  --radius-md:   6px;   /* default for buttons */
  --radius-lg:   8px;   /* default for cards */
  --radius-xl:   12px;
  --radius-pill: 999px;

  /* ── Shadows — soft, warm, low; never harsh ───── */
  --shadow-xs: 0 1px 2px rgba(28, 48, 25, 0.05);
  --shadow-sm: 0 2px 6px rgba(28, 48, 25, 0.07);
  --shadow-md: 0 6px 18px rgba(28, 48, 25, 0.09);
  --shadow-lg: 0 14px 38px rgba(28, 48, 25, 0.12);

  /* ── Borders ──────────────────────────────────── */
  --border-width: 1px;

  /* ── Layout ───────────────────────────────────── */
  --container-max: 1200px;
  --container-prose: 680px;
  --gutter: var(--space-6);

  /* ── Motion — calm, grounded; ease, never bounce  */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1); /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --duration-fast: 120ms; /* @kind other */
  --duration-base: 200ms; /* @kind other */
  --duration-slow: 320ms; /* @kind other */
}