/* ============================================================
   AI Upskill Coach — Spacing, radius, shadow, motion
   "Generous margins. Calm, never busy."
   ============================================================ */

:root {
  /* ---- Spacing scale (4px base) ----------------------- */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;

  /* ---- Radius — "Rounded 8–12px corners" -------------- */
  --radius-sm:   6px;
  --radius-md:   10px;  /* default button / input               */
  --radius-lg:   14px;  /* cards                                 */
  --radius-xl:   20px;  /* large panels                          */
  --radius-pill: 999px;

  /* ---- Borders ---------------------------------------- */
  --border-width: 1px;
  --border-hairline: 1px solid var(--hairline);

  /* ---- Shadows — soft, low, premium ------------------- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.40);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
  /* gold focus / CTA glow */
  --shadow-gold: 0 8px 28px rgba(200, 162, 75, 0.28);

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

  /* ---- Motion — calm fades, gentle ease --------------- */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 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: 360ms; /* @kind other */
}