/* ============================================================
   RUDRA SSC — Spacing, radius, shadow, motion, layout tokens
   4px base grid.
   ============================================================ */

:root {
  /* Spacing scale */
  --space-0:   0;
  --space-1:   2px;
  --space-2:   4px;
  --space-3:   8px;
  --space-4:   12px;
  --space-5:   16px;
  --space-6:   20px;
  --space-7:   24px;
  --space-8:   32px;
  --space-9:   40px;
  --space-10:  48px;
  --space-11:  64px;
  --space-12:  80px;
  --space-13:  96px;
  --space-14:  128px;

  /* Radii */
  --radius-xs:   4px;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-2xl:  28px;
  --radius-pill: 999px;

  /* Borders */
  --border-width: 1px;
  --border-width-thick: 1.5px;

  /* Shadows — navy-tinted, layered, restrained */
  --shadow-xs: 0 1px 2px rgba(12, 34, 64, 0.06);
  --shadow-sm: 0 1px 3px rgba(12, 34, 64, 0.08), 0 1px 2px rgba(12, 34, 64, 0.04);
  --shadow-md: 0 4px 10px rgba(12, 34, 64, 0.08), 0 2px 4px rgba(12, 34, 64, 0.05);
  --shadow-lg: 0 12px 28px rgba(12, 34, 64, 0.12), 0 4px 8px rgba(12, 34, 64, 0.06);
  --shadow-xl: 0 24px 56px rgba(8, 22, 40, 0.18), 0 8px 16px rgba(12, 34, 64, 0.08);
  --shadow-focus: 0 0 0 3px var(--ring);
  --shadow-inset: inset 0 1px 2px rgba(12, 34, 64, 0.06);

  /* Motion */
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);   /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);    /* @kind other */
  --ease-in-out:   cubic-bezier(0.65, 0, 0.35, 1);   /* @kind other */
  --duration-fast:   120ms;  /* @kind other */
  --duration-base:   180ms;  /* @kind other */
  --duration-slow:   260ms;  /* @kind other */

  /* Layout */
  --container-sm:  640px;
  --container-md:  840px;
  --container-lg:  1080px;
  --container-xl:  1280px;
  --container-2xl: 1440px;
  --gutter:        clamp(20px, 5vw, 80px);  /* @kind spacing */
  --header-h:      72px;
}