/* ============================================================
   Round — Base element styles
   ============================================================ */

body {
  background: var(--color-bg-base);
  color: var(--color-text-body);
  font-family: var(--font-body);
  font-size: var(--text-body);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-body);
}

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

p {
  color: var(--color-text-body);
}

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

/* ---- Focus visibility ---------------------------------------------------
   Single token, flipped per-context: navy passes contrast on gray-100,
   gray-100 passes on navy. .on-dark is applied to inverted section wrappers. */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.on-dark {
  --focus-ring: var(--color-gray-100);
}

/* ---- Skip link ----------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 999;
  background: var(--color-bg-inverted);
  color: var(--color-text-on-inverted);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--text-caption);
  font-weight: 600;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus-visible {
  top: var(--space-4);
}

/* ---- Section rhythm shared by every section ------------------------------ */
main > section {
  padding-block: var(--space-section);
  position: relative;
}

.container {
  width:100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.bleed {
  width: 100%;
  max-width: none;
  padding-inline: 0;
}