/* ==========================================================================
   Site footer
   ========================================================================== */

.site-footer {
  background: var(--color-deep-2);
  color: var(--color-on-dark-muted);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-block: 4rem 3rem;
}

.footer-lab-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-on-dark);
  margin-bottom: 0.4em;
  display: flex;
  flex-direction: column;
}
.footer-lab-sub {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-on-dark-muted);
  letter-spacing: 0.04em;
}
.footer-univ { font-size: var(--fs-small); margin-bottom: 0.4em; }
.footer-contact { font-size: var(--fs-small); }
.footer-contact a { color: var(--color-accent-2); text-decoration: none; }
.footer-contact a:hover { text-decoration: underline; }

.footer-nav ul, .footer-links ul { list-style: none; }
.footer-nav li, .footer-links li { margin-bottom: 0.5em; }
.footer-nav a, .footer-links a {
  color: var(--color-on-dark-muted);
  text-decoration: none;
  font-size: var(--fs-small);
}
.footer-nav a:hover, .footer-links a:hover { color: var(--color-on-dark); opacity: 1; }

.footer-links-label {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-2);
  margin-bottom: 0.9em;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 1.25rem;
  text-align: center;
}
.copyright { font-size: 0.85rem; letter-spacing: 0.05em; margin: 0; }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}