/* ============================================================
   Ingress Logistics — Spacing, radii, shadows, motion
   ============================================================ */
:root {
  /* Spacing scale (8px base, with 4px half-steps) */
  --space-0:   0;
  --space-1:   0.25rem; /* 4  */
  --space-2:   0.5rem;  /* 8  */
  --space-3:   0.75rem; /* 12 */
  --space-4:   1rem;    /* 16 */
  --space-5:   1.5rem;  /* 24 */
  --space-6:   2rem;    /* 32 */
  --space-7:   2.5rem;  /* 40 */
  --space-8:   3rem;    /* 48 */
  --space-9:   4rem;    /* 64 */
  --space-10:  5rem;    /* 80 */
  --space-12:  6rem;    /* 96 */

  /* Layout */
  --container-max: 1200px;
  --container-pad: 1.25rem;

  /* Radii */
  --radius-sm:   8px;   /* inputs, chips */
  --radius-md:   12px;  /* cards */
  --radius-lg:   16px;  /* panels */
  --radius-xl:   24px;  /* hero media */
  --radius-pill: 999px; /* buttons, badges */

  /* Borders */
  --border-width: 1px;
  --border-width-strong: 2px;

  /* Shadows — soft, neutral, never tinted except brand CTA */
  --shadow-xs:  0 1px 2px rgba(17, 24, 39, 0.06);
  --shadow-sm:  0 2px 10px rgba(17, 24, 39, 0.07);
  --shadow-md:  0 4px 20px rgba(17, 24, 39, 0.08);
  --shadow-lg:  0 12px 32px rgba(17, 24, 39, 0.10);
  --shadow-xl:  0 20px 40px rgba(17, 24, 39, 0.12);
  /* CTA glow — brand red, used only on primary buttons */
  --shadow-cta:       0 4px 15px rgba(208, 24, 64, 0.30);
  --shadow-cta-hover: 0 8px 22px rgba(208, 24, 64, 0.40);

  /* Motion */
  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1); /* @kind other */
  --ease-in-out:cubic-bezier(0.65, 0, 0.35, 1); /* @kind other */
  --dur-fast:   0.15s; /* @kind other */
  --dur-base:   0.25s; /* @kind other */
  --dur-slow:   0.4s;  /* @kind other */
  --lift:       translateY(-3px); /* @kind other */
}