/* ===========================================================================
   NVIDIA Design System — base layer
   Minimal element defaults so cards/kits inherit brand type & color without
   each one re-declaring it. Product UIs may override locally.
   =========================================================================== */

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: var(--fw-medium);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-snug);
  margin: 0;
}

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

code, pre, kbd, samp { font-family: var(--font-mono); }

::selection { background: var(--accent-wash); color: var(--text-primary); }

:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-xs); }