/* =========================================================================
   HORIZONGUIDE — FOOTER
   ========================================================================= */

.hg-footer {
  background: var(--hg-ink);
  color: var(--hg-cream);
  padding: var(--hg-space-11) 0 var(--hg-space-6);
  margin-top: var(--hg-space-12);
  position: relative;
  overflow: hidden;
}

/* Détail graphique : grande citation en filigrane */
.hg-footer::before {
  content: "À l'horizon, tout commence.";
  position: absolute;
  bottom: -0.35em;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--hg-font-display);
  font-style: italic;
  font-size: clamp(5rem, 18vw, 18rem);
  line-height: 0.8;
  color: rgba(247, 242, 235, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  font-weight: 400;
}

.hg-footer__inner {
  max-width: var(--hg-container);
  margin-inline: auto;
  padding-inline: var(--hg-gutter);
  position: relative;
  z-index: 1;
}

/* --- 4 colonnes principales --- */
.hg-footer__columns {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--hg-space-8);
  padding-bottom: var(--hg-space-9);
  border-bottom: 1px solid rgba(247, 242, 235, 0.1);
}

/* --- Colonne 1 : Brand --- */
.hg-footer__brand {
  max-width: 380px;
}

.hg-footer__logo {
  font-family: var(--hg-font-display);
  font-size: var(--hg-text-3xl);
  font-weight: 500;
  color: var(--hg-cream);
  letter-spacing: var(--hg-ls-tight);
  margin-bottom: var(--hg-space-4);
  display: inline-block;
  line-height: 1;
}
.hg-footer__logo em {
  font-style: italic;
  color: var(--hg-gold);
  font-weight: 400;
}

.hg-footer__tagline {
  font-family: var(--hg-font-display);
  font-style: italic;
  font-size: var(--hg-text-lg);
  line-height: var(--hg-lh-normal);
  color: rgba(247, 242, 235, 0.7);
  margin-bottom: var(--hg-space-6);
}

.hg-footer__social {
  display: flex;
  gap: var(--hg-space-3);
}

.hg-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(247, 242, 235, 0.2);
  border-radius: var(--hg-radius-full);
  color: var(--hg-cream);
  transition: all var(--hg-duration-fast) var(--hg-ease-out);
}

.hg-footer__social a:hover {
  background: var(--hg-rust);
  border-color: var(--hg-rust);
  color: var(--hg-cream);
  transform: translateY(-2px);
}

/* --- Colonnes de liens --- */
.hg-footer__column-title {
  font-family: var(--hg-font-body);
  font-size: var(--hg-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--hg-ls-widest);
  color: var(--hg-gold);
  margin-bottom: var(--hg-space-5);
}

.hg-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--hg-space-3);
}

.hg-footer__links a {
  font-family: var(--hg-font-body);
  font-size: var(--hg-text-sm);
  color: rgba(247, 242, 235, 0.75);
  transition: color var(--hg-duration-fast) var(--hg-ease-out);
  display: inline-block;
  position: relative;
}

.hg-footer__links a::before {
  content: "→";
  display: inline-block;
  margin-right: 0;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: all var(--hg-duration-fast) var(--hg-ease-out);
  color: var(--hg-rust);
}

.hg-footer__links a:hover {
  color: var(--hg-cream);
}
.hg-footer__links a:hover::before {
  opacity: 1;
  max-width: 20px;
  margin-right: var(--hg-space-2);
}

/* --- Barre inférieure : mentions légales --- */
.hg-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--hg-space-6);
  flex-wrap: wrap;
  gap: var(--hg-space-4);
}

.hg-footer__copy {
  font-size: var(--hg-text-xs);
  color: rgba(247, 242, 235, 0.5);
  letter-spacing: var(--hg-ls-wide);
}

.hg-footer__legal {
  display: flex;
  gap: var(--hg-space-5);
  list-style: none;
  padding: 0;
  margin: 0;
}

.hg-footer__legal a {
  font-size: var(--hg-text-xs);
  color: rgba(247, 242, 235, 0.5);
  text-transform: uppercase;
  letter-spacing: var(--hg-ls-wide);
  transition: color var(--hg-duration-fast) var(--hg-ease-out);
}

.hg-footer__legal a:hover { color: var(--hg-cream); }

/* ========================================================================= */
/*   RESPONSIVE                                                              */
/* ========================================================================= */

@media (max-width: 1024px) {
  .hg-footer__columns {
    grid-template-columns: 1fr 1fr;
    gap: var(--hg-space-7);
  }
  .hg-footer__brand { grid-column: 1 / -1; max-width: 100%; }
}

@media (max-width: 640px) {
  .hg-footer { padding-top: var(--hg-space-9); }
  .hg-footer__columns {
    grid-template-columns: 1fr;
    gap: var(--hg-space-6);
  }
  .hg-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .hg-footer__legal {
    flex-wrap: wrap;
    gap: var(--hg-space-3);
  }
}