/* ==========================================================================
   FOOTER — At Home
   Footer scuro su fondo laguna: brand, navigazione, contatti e barra legale
   (CIN, P.IVA, link a privacy e cookie policy — obbligatori per legge).
   Mobile first: colonne impilate, poi griglia da 768px.
   ========================================================================== */

.footer {
  background-color: var(--colore-bg-scuro);
  color: var(--colore-pietra);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer--scuro {
  background-color: var(--colore-sfondo);
}

/* --------------------------------------------------------------------------
   Area principale — griglia colonne
   -------------------------------------------------------------------------- */
.footer__principale {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .footer__principale {
    grid-template-columns: auto 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   Colonna brand
   -------------------------------------------------------------------------- */
.footer__brand {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--dim-brand);
  letter-spacing: var(--spaziatura-brand);
  color: var(--colore-pietra);
  text-decoration: none;
  margin-bottom: var(--space-md);
}

.footer__claim {
  font-family: var(--font-body);
  font-size: var(--dim-label);
  color: var(--colore-pietra);
  opacity: 0.5;
  line-height: var(--interlinea-base);
  margin-bottom: var(--space-md);
}

.footer__contatti {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-style: normal; /* reset dell'elemento <address> */
}

/* --------------------------------------------------------------------------
   Colonne di navigazione
   -------------------------------------------------------------------------- */
.footer__titolo-col {
  color: var(--colore-vetro);
  margin-bottom: var(--space-md);
}

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

/* --------------------------------------------------------------------------
   Link generici del footer
   -------------------------------------------------------------------------- */
.footer__link {
  font-family: var(--font-body);
  font-size: var(--dim-label);
  color: var(--colore-pietra);
  opacity: 0.6;
  text-decoration: none;
  transition: var(--transition-base);
}

.footer__link:hover,
.footer__link:focus-visible {
  opacity: 1;
  color: var(--colore-vetro);
}

/* --------------------------------------------------------------------------
   Barra legale — CIN, P.IVA, link policy
   -------------------------------------------------------------------------- */
.footer__legale {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.footer__legale-contenuto {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

@media (min-width: 768px) {
  .footer__legale-contenuto {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer__legale-testo {
  font-family: var(--font-body);
  font-size: var(--dim-label);
  color: var(--colore-pietra);
  opacity: 0.4;
}

.footer__nav-legale {
  display: flex;
  gap: var(--space-md);
}

.footer__link-legale {
  font-family: var(--font-body);
  font-size: var(--dim-label);
  color: var(--colore-pietra);
  opacity: 0.4;
  text-decoration: none;
  transition: var(--transition-base);
}

.footer__link-legale:hover,
.footer__link-legale:focus-visible {
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Social icons nel footer
   -------------------------------------------------------------------------- */
.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: var(--colore-pietra);
  opacity: 0.6;
  text-decoration: none;
  transition: var(--transition-base);
}

.footer__social-link:hover,
.footer__social-link:focus-visible {
  opacity: 1;
  border-color: var(--colore-vetro);
  color: var(--colore-vetro);
}

.footer__social-link svg {
  width: 16px;
  height: 16px;
  display: block;
}