/* ============================================================
   APSYS — Base element defaults.
   Applies brand typography + app surface globally.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: var(--text-body-css);
  color: var(--text-body);
  background: var(--surface-app);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, figure { margin: 0; }

h1 { font: var(--text-h1); color: var(--text-strong); letter-spacing: var(--ls-snug); }
h2 { font: var(--text-h2); color: var(--text-strong); letter-spacing: var(--ls-snug); }
h3 { font: var(--text-h3); color: var(--text-strong); }
h4 { font: var(--text-h4); color: var(--text-strong); }

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }

button { font-family: inherit; }

::selection { background: var(--apsys-blue-100); color: var(--ink-900); }

/* Brand utility: eyebrow / overline label */
.apsys-overline {
  font: var(--fw-semibold) var(--fs-2xs)/1.2 var(--font-sans);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Tabular numerals for data tables */
.apsys-tnum { font-variant-numeric: tabular-nums; }