/* ============================================================
   FILUM — base element defaults
   Applies the brand foundations to raw HTML so specimens,
   cards and kits inherit type, color and rhythm automatically.
   ============================================================ */

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

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

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

/* Headings use the display family (Outfit) and the brand ink */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-strong);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: var(--ls-snug);
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p { margin: 0 0 1em; text-wrap: pretty; }

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

strong, b { font-weight: var(--fw-semibold); }

small { font-size: var(--fs-body-sm); }

::selection { background: var(--purple-200); color: var(--filum-ink); }

/* Utility helper: the brand uppercase overline / tagline style */
.filum-overline {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: var(--fs-overline);
  letter-spacing: var(--ls-overline);
  text-transform: uppercase;
  color: var(--text-muted);
}