/* ==========================================================================
   base.css — element defaults and shared utilities
   ========================================================================== */

body {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hairline divider between two stacked sections in the same column. */
.rule {
  height: 1px;
  background: var(--color-rule);
  margin: var(--space-rule-above) 0 var(--space-rule-below);
}

/* The small tracked-out uppercase heading used for every section label
   and for "Hi, I'm Sarah". */
.label {
  font-size: var(--text-label);
  font-weight: var(--weight-bold);
  line-height: var(--leading-flat);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink);
}

/* Keyboard-only shortcut past the three columns. */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 12px 20px;
  background: var(--color-inverse-surface);
  color: var(--color-inverse-ink);
  font-size: var(--text-detail);
  text-decoration: none;
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}