/* UMBRA — Base element styling & utility primitives
   Applied to consumer documents that opt in. Dark-first. */

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

body {
  margin: 0;
  background: var(--surface-canvas);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--type-body-size);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(204, 0, 0, 0.35);
  color: var(--text-bright);
}

/* Headings — wide geometric display by default */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  color: var(--text-bright);
  letter-spacing: var(--type-display-tracking);
  line-height: var(--leading-tight);
  margin: 0;
}
h4, h5, h6 {
  font-family: var(--font-ui);
  font-weight: var(--weight-semibold);
  color: var(--text-bright);
  margin: 0;
}

a {
  color: var(--text-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}
a:hover { color: var(--crimson-300); }

code, pre, kbd {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

/* ---- Eyebrow / kicker label ---- */
.umbra-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-accent);
}

/* ---- Wordmark utility ---- */
.umbra-wordmark {
  font-family: var(--font-display);
  letter-spacing: var(--tracking-wider);
  color: var(--umbra-ash);
  text-transform: uppercase;
}

/* ---- Hairline divider ---- */
.umbra-rule {
  height: 1px;
  border: 0;
  background: var(--gradient-ember-line);
  opacity: 0.5;
}