.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.86);
  padding-top: var(--space-9);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--color-primary);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 1.1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-8);
}

.site-footer__brand img { height: 64px; margin-bottom: var(--space-4); }
.site-footer__slogan {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.6);
  max-width: 22ch;
}

.site-footer h3 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
}
.site-footer ul { display: flex; flex-direction: column; gap: var(--space-3); }
.site-footer a { color: rgba(255,255,255,0.86); transition: color var(--dur-fast) var(--ease-out-quart); }
.site-footer a:hover { color: var(--color-primary-light); }
.site-footer li { font-size: 0.92rem; }
.site-footer__entitat { color: rgba(255,255,255,0.55); font-size: 0.85rem; line-height: 1.5; }

.site-footer__ig {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.site-footer__ig-icon {
  flex-shrink: 0;
  opacity: 0.86;
  transition: opacity var(--dur-fast) var(--ease-out-quart);
}
.site-footer__ig:hover .site-footer__ig-icon { opacity: 1; }

.site-footer__collabs {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-block: var(--space-6);
}
.site-footer__collabs-list {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  max-width: none;
  line-height: 1.8;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-block: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

.site-footer__legal {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.78rem;
}
.site-footer__legal a { color: rgba(255,255,255,0.45); }
.site-footer__legal a:hover { color: rgba(255,255,255,0.75); }
.site-footer__legal span { color: rgba(255,255,255,0.25); }