/* ============================================================
   Shingu College — Elevation (shadows) & motion tokens
   Restrained, institutional: soft cool-tinted shadows, no
   heavy drop-shadows. Cards lean on hairline borders + a faint
   lift rather than dramatic elevation.
   ============================================================ */
:root {
  --shadow-xs: 0 1px 2px rgba(10, 53, 122, 0.06);
  --shadow-sm: 0 1px 3px rgba(10, 53, 122, 0.08), 0 1px 2px rgba(10, 53, 122, 0.05);
  --shadow-md: 0 4px 12px rgba(10, 53, 122, 0.10), 0 2px 4px rgba(10, 53, 122, 0.06);
  --shadow-lg: 0 12px 28px rgba(8, 40, 91, 0.14), 0 4px 10px rgba(8, 40, 91, 0.08);
  --shadow-xl: 0 24px 56px rgba(6, 27, 62, 0.18);

  /* ---- Motion ---- */
  --ease-standard: cubic-bezier(0.2, 0, 0.1, 1); /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast:   120ms; /* @kind other */
  --dur-base:   200ms; /* @kind other */
  --dur-slow:   320ms; /* @kind other */
}