/* ============================================================
   SecDim — Effects: shadows, borders, motion, focus
   Clean, soft, low-chroma shadows tinted with the ink color.
   ============================================================ */
:root {
  /* -- Elevation (soft, tinted with slate ink) -- */
  --shadow-xs: 0 1px 2px rgba(57, 68, 71, 0.06);
  --shadow-sm: 0 1px 3px rgba(57, 68, 71, 0.08), 0 1px 2px rgba(57, 68, 71, 0.06);
  --shadow-md: 0 4px 12px rgba(57, 68, 71, 0.08), 0 2px 4px rgba(57, 68, 71, 0.05);
  --shadow-lg: 0 12px 28px rgba(57, 68, 71, 0.12), 0 4px 8px rgba(57, 68, 71, 0.06);
  --shadow-xl: 0 24px 56px rgba(57, 68, 71, 0.16), 0 8px 16px rgba(57, 68, 71, 0.08);

  /* -- Cyan glow (primary emphasis, focus rings, hero accents) -- */
  --glow-primary: 0 0 0 1px rgba(85, 193, 226, 0.4), 0 6px 20px rgba(85, 193, 226, 0.28);
  --glow-primary-soft: 0 8px 30px rgba(85, 193, 226, 0.22);

  /* -- Borders -- */
  --border-width: 1px; /* @kind spacing */
  --border-width-thick: 2px; /* @kind spacing */

  /* -- Focus ring -- */
  --focus-ring: 0 0 0 3px rgba(85, 193, 226, 0.45);
  --focus-ring-offset: 0 0 0 2px var(--surface-card), 0 0 0 5px rgba(85, 193, 226, 0.45);

  /* -- 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 */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1); /* @kind other */
  --dur-fast: 120ms; /* @kind other */
  --dur-base: 200ms; /* @kind other */
  --dur-slow: 320ms; /* @kind other */

  /* -- Backdrop -- */
  --backdrop: rgba(27, 33, 35, 0.55);
  --backdrop-blur: blur(6px); /* @kind other */
}