/* ==========================================================================
   MODERN FOOTER & INTERACTIVE GLOBAL NETWORK MAP
   ========================================================================== */

.site-footer {
  background: #0B0E14;
  color: #F8FAFC;
  position: relative;
  overflow: hidden;
  padding: 80px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-map-bg {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 100%;
  opacity: 0.12;
  pointer-events: none;
  background-image: radial-gradient(rgba(0, 102, 255, 0.4) 1px, transparent 1px);
  background-size: 24px 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  position: relative;
  z-index: 2;
  margin-bottom: 64px;
}

.footer-brand p {
  color: #94A3B8;
  margin-top: 16px;
  max-width: 320px;
  font-size: 0.95rem;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.925rem;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer-col ul li a:hover {
  color: #00D2FF;
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.875rem;
  color: #64748B;
  position: relative;
  z-index: 2;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: #64748B;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
  color: #F8FAFC;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}