:root{
  /* Font/geometry inherit the approved Windows landing. */
  --bmt-font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --bmt-font-display:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;

  /* Brand identity: green leads, orange attracts attention, gray supports. */
  --bmt-primary:#39b54a;
  --bmt-primary-hover:#2fa541;
  --bmt-primary-dark:#208438;
  --bmt-primary-deep:#17662b;
  --bmt-primary-soft:#eefaf0;
  --bmt-primary-soft-2:#e3f7e7;
  --bmt-orange:#f7941e;
  --bmt-orange-hover:#df7f0b;
  --bmt-orange-soft:#fff5e8;
  --bmt-brand-gray:#939597;
  --bmt-zalo:#087df1;

  --bmt-ink:#1a2430;
  --bmt-ink-strong:#111827;
  --bmt-muted:#64748b;
  --bmt-muted-2:#8996a8;
  --bmt-line:#e4e9e6;
  --bmt-line-strong:#ccd7cf;
  --bmt-canvas:#ffffff;
  --bmt-surface:#ffffff;
  --bmt-surface-soft:#f7faf8;
  --bmt-surface-green:#f2fbf4;
  --bmt-surface-warm:#fff9f1;
  --bmt-footer:#0e5729;
  --bmt-footer-deep:#09421e;
  --bmt-danger:#b42318;

  --bmt-radius-sm:10px;
  --bmt-radius-md:16px;
  --bmt-radius-lg:22px;
  --bmt-radius-xl:28px;
  --bmt-shadow-xs:0 8px 24px rgba(20,58,32,.05);
  --bmt-shadow-sm:0 14px 38px rgba(20,58,32,.08);
  --bmt-shadow-md:0 24px 70px rgba(20,58,32,.12);
  --bmt-shadow-green:0 16px 36px rgba(57,181,74,.22);

  --bmt-container:1220px;
  --bmt-container-gutter:40px;
  --bmt-container-gutter-mobile:32px;
  --bmt-content:760px;
  --bmt-header-h:76px;
  --bmt-mobile-dock-h:78px;

  --bmt-z-header:70;
  --bmt-z-drawer:110;
  --bmt-z-dock:90;
}