/* Rise Over Run — Spacing, radii, shadows, layout
   The brand is architectural and precise: a strict 8px rhythm,
   near-square geometry (small radii), and quiet, low shadows. */

:root {
  /* Spacing scale — 8px base rhythm */
  --space-0: 0;
  --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 */

  /* Radii — architectural, nearly square */
  --radius-none: 0;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-pill: 999px;

  /* Border widths */
  --border-thin: 1px;
  --border-med: 2px;
  --rule-weight: 3px;   /* the fraction-bar rule under "OVER" */

  /* Shadows — quiet, cool, low-contrast */
  --shadow-none: none;
  --shadow-sm: 0 1px 2px rgba(55, 67, 63, 0.06);
  --shadow-md: 0 4px 16px rgba(55, 67, 63, 0.08);
  --shadow-lg: 0 12px 40px rgba(55, 67, 63, 0.12);

  /* Layout */
  --container-sm: 640px;
  --container-md: 960px;
  --container-lg: 1200px;
  --container-xl: 1440px;
  --gutter: var(--space-5);

  /* Motion — restrained, no 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: 220ms; /* @kind other */
  --duration-slow: 400ms; /* @kind other */
}