/* ─── Layout Utilities ─── */

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* Section base */
section {
  padding-block: var(--section-py);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 700;
  z-index: 9999;
  transition: top var(--transition-base);
}
.skip-link:focus {
  top: var(--space-4);
}

/* Visually hidden (accessible) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Hidden utility — replaces inline style="display:none" for CSP compliance */
.hidden {
  display: none !important;
}

/* Section alternating background */
.section--alt {
  background-color: var(--color-surface);
}
.section--dark {
  background-color: var(--color-brown-dark);
  color: var(--color-text-on-dark);
}