/* Footer */
.footer {
  background: #23272f; /* dark grey */
  color: var(--color-surface);
  padding: var(--space-32) 0 var(--space-16);
  animation: fade-in-up 1s var(--ease-standard) both;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-32);
  margin-bottom: var(--space-24);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  animation: fade-in-up 1.2s var(--ease-standard) both;
}

.footer-section {
  flex: 1 1 220px;
  min-width: 200px;
  margin-bottom: var(--space-16);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  animation: fade-in-up 1.3s var(--ease-standard) both;
}

.footer-section h4 {
  color: var(--color-surface);
  margin-bottom: var(--space-16);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.01em;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 var(--space-8) 0;
  font-size: var(--font-size-md);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.footer-links li {
  margin-bottom: var(--space-8);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.18s, transform 0.18s;
  font-size: var(--font-size-md);
  display: inline-block;
  padding: 2px 0;
}

.footer-links a:hover {
  color: var(--color-primary);
  transform: scale(1.07);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-16);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  animation: fade-in-up 1.4s var(--ease-standard) both;
}

@media (max-width: 900px) {
  .footer-content {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-16);
    text-align: center;
  }
  .footer-section {
    align-items: center;
  }
}