/*****************************************************
FOOTER

The site footer: the column block and the bottom bar under it.

Loads:    every page
Used by:  layout/footer.html
Needs:    base.css tokens (--bg-footer, --bg-footer-bottom, --text-footer-*)
Not here: the footer's navigation data, which is nav/nav-footer.html
*****************************************************/

@media screen {

footer {
  /* Display & Positioning */
  margin-top: auto;

  /* Typography */
  color: var(--text-on-dark);

  /* Visual */
  background-color: var(--bg-footer);
  border-top: 2px solid var(--accent-border);
  padding: 0;
}

.footer-columns {
  /* Layout */
  max-width: 55rem;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  justify-items: center;
}

/* Hide footer navigation columns on small screens */
@media (max-width: 768px) {
  .footer-columns {
    display: none;
  }
}

.footer-column h3 {
  margin: 0 0 0.35rem 0;
  padding: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--interactive-hover);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin: 0;
  padding: 0;
}

.footer-column ul li a {
  color: var(--text-footer-link);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
  color: var(--interactive-hover);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--border-on-dark);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
  background-color: var(--bg-footer-bottom);
}

.footer-bottom .container {
  text-align: center;
}

/* Inline flow rather than flex: the phrases have to be able to wrap *inside*
   themselves at phone width. As flex items they carry min-width:auto, which
   keeps "Expanding digital horizons in the humanities" on one line and pushes
   the whole page into horizontal scroll. */
.footer-bottom-brand {
  /* Display & Positioning */
  margin-bottom: 0.4rem;

  /* Typography */
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-footer-bottom);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-footer-brand);
}

/* The brand word links to amaranth.unm.edu. Keep its brand colour rather
   than taking the footer link colour below. */
.footer-bottom a.footer-brand,
.footer-bottom a.footer-brand:visited {
  color: var(--text-footer-brand);
  border-bottom: none;
}

.footer-bottom a.footer-brand:hover {
  color: var(--text-footer-brand);
  text-decoration: underline;
}

/* Tracks the accent by default, but kept on its own token so a theme can give
   it a warmer colour than the brand word without touching anything else. */
.footer-heart {
  color: var(--text-footer-heart);
}

.footer-sep {
  padding: 0 0.25rem;
  color: var(--text-footer-bottom);
}

.footer-bottom-contact {
  font-size: 0.8rem;
  color: var(--text-footer-bottom);
}

.footer-bottom a {
  color: var(--text-footer-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--interactive-hover);
  text-decoration: underline;
}

/* Responsive footer */
@media (max-width: 768px) {
  footer {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

} /* end media screen */