/* =========================================================
   FOOTER — STRUCTURE INSTITUTIONNELLE
   ========================================================= */

.site-footer {
  margin-top: 64px;
  background-color: var(--color-bg-alt);
  border-top: 2px solid var(--color-primary); /* écho du header */
  font-size: 0.9rem;
}

/* ---------------------------------------------------------
   Bloc principal
   --------------------------------------------------------- */

.footer-main {
  padding: 48px 0;
}

.footer-main-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  align-items: start;
}

/* ---------------------------------------------------------
   Colonnes
   --------------------------------------------------------- */

.footer-col-title {
  display: block;
  margin-bottom: 16px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-main);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li + li {
  margin-top: 8px;
}

.footer-col a {
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text-main);
}

.footer-col a:hover {
  text-decoration: underline;
}

/* Liens externes — indicateur visuel */

.footer-col a[target="_blank"]::after {
  content: " ↗";
  font-size: 0.75em;
  vertical-align: top;
}

/* ---------------------------------------------------------
   Ligne basse
   --------------------------------------------------------- */

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 16px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */

@media (max-width: 1100px) {
  .footer-main-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .footer-main-inner {
    grid-template-columns: 1fr;
  }
}