/* footer.css — fits your theme.css variables */
.site-footer {
  margin-top: 0;
  color: var(--ink);
  background: var(--paper-2);
  position: relative;
}
.site-footer a { color: var(--brand-700); }
.site-footer a:hover { color: var(--brand-900); }

.footer-top { padding: 2.25rem 0; }
.footer-bottom {
  background: #fff;
  border-top: 1px solid rgba(0,0,0,.06);
  padding: .9rem 0;
}

/* Social icons */
.site-footer .social { display: flex; gap: .5rem; }
.site-footer .social-link{
  display: inline-grid; place-items: center;
  width: 36px; height: 36px; border-radius: 999px;
  border: 1px solid rgba(0,0,0,.10);
  background: transparent; color: var(--brand-700);
  box-shadow: none; text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .08s ease;
}
.site-footer .social-link:hover{
  background: var(--paper-2);
  color: var(--brand-900);
  border-color: rgba(0,0,0,.18);
  transform: translateY(-1px);
}
.site-footer .social-link i{ font-size: 1.1rem; line-height: 1; }

/* Back to top pill */
.back-to-top{
  position: fixed; right: 1rem; bottom: 1rem;
  width: 42px; height: 42px; border-radius: 999px;
  border: 1px solid rgba(0,0,0,.08);
  background: var(--brand); color: #fff;
  box-shadow: 0 10px 24px rgba(0,0,0,.16);
  display: grid; place-items: center;
  opacity: .0; pointer-events: none; transition: .2s;
}
.back-to-top.show{ opacity: 1; pointer-events: auto; }
.back-to-top:hover{ background: var(--brand-700); }