/* =====================================================
   VIS Networks — Footer styles (separate file)
   ===================================================== */

.site-footer {
  background: var(--bg-dark);
  color: #c7c8d4;
  padding: 72px 0 28px;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand img { height: 42px; margin-bottom: 18px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: .92rem; color: #9a9bac; max-width: 280px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  transition: background .2s ease, transform .2s ease;
}
.footer-social a:hover { background: var(--red); transform: translateY(-3px); }
.footer-social img { width: 20px; height: 20px; filter: brightness(0) invert(1); }

.footer-col h4 {
  color: #fff;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul li a {
  font-size: .92rem;
  color: #9a9bac;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }

.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: .9rem; color: #9a9bac; }
.footer-contact li .ico { color: var(--red); flex: none; }
.footer-contact a:hover { color: #fff; }

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
  color: #7d7e90;
}
.footer-bottom a:hover { color: #fff; }

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 540px) {
  .footer-top { grid-template-columns: 1fr; }
}