/* ============================================================
   MDL GROUP — SPACING, RADII, SHADOWS, MOTION
   ============================================================ */
:root {
  /* Spacing scale (4px base) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radii — restrained, corporate. Squared cards, slightly softened controls. */
  --radius-none: 0;
  --radius-sm:   3px;
  --radius-md:   6px;
  --radius-lg:   10px;
  --radius-pill: 999px;

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

  /* Shadows — soft, neutral, never colored */
  --shadow-xs:  0 1px 2px rgba(26,26,26,0.06);
  --shadow-sm:  0 1px 3px rgba(26,26,26,0.08), 0 1px 2px rgba(26,26,26,0.04);
  --shadow-md:  0 4px 12px rgba(26,26,26,0.08), 0 1px 3px rgba(26,26,26,0.05);
  --shadow-lg:  0 12px 32px rgba(26,26,26,0.12), 0 4px 8px rgba(26,26,26,0.05);
  --shadow-xl:  0 24px 60px rgba(26,26,26,0.16);

  /* Layout */
  --container-max: 1200px; /* @kind spacing */
  --container-narrow: 760px; /* @kind spacing */
  --sheet-width: 816px; /* @kind spacing */

  /* Brand angle — the roofline / facet motif (matches logo + site triangles) */
  --mdl-angle: -7deg; /* @kind other */
  --mdl-angle-clip: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 36px)); /* @kind other */

  /* Motion */
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1); /* @kind other */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --dur-fast:   120ms; /* @kind other */
  --dur-base:   220ms; /* @kind other */
  --dur-slow:   420ms; /* @kind other */
}