/* ============================================================
   ESTETICA CRISTINA — Footer + CTA flottante
   ============================================================ */

.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light-muted);
  padding-block: var(--sp-sm);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
  padding-bottom: var(--sp-sm);
}
.footer-col__title {
  position: relative;
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  margin-bottom: 0.65rem;
  padding-bottom: 0.5rem;
}
/* Firma discreta al posto della riga piena: lunga quanto il testo
   più largo scritto sotto (--underline-width, impostata da
   js/modules/footer-underline.js), 26px finché JS non è pronto. */
.footer-col__title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: var(--underline-width, 26px);
  height: 1px;
  background-color: var(--accent);
}
.footer-col__text {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--text-light-muted);
}
.footer-col__text + .footer-col__text { margin-top: 0.15rem; }
.footer-col__text a:hover { color: var(--text-light); }
.footer-col__note { font-size: var(--text-xs); color: var(--text-light-muted); opacity: 0.75; margin-top: 0.2rem; }

.footer-col__maps-link {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--hairline-light);
  border-radius: var(--radius);
  color: var(--text-light-muted);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.footer-col__maps-link:hover { border-color: var(--accent); color: var(--accent); }

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-md);
  padding-top: var(--sp-xs);
  border-top: 1px solid var(--hairline-light);
}
.site-footer__logo-img {
  height: 36px;
  width: auto;
}

/* Icone social: bordo hairline + colore adattivo (qui sempre su
   sfondo scuro, quindi chiare — la stessa classe su sfondo chiaro
   erediterebbe automaticamente il colore scuro del testo). */
.site-footer__social {
  display: flex;
  gap: 0.6rem;
}
.site-footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--hairline-light);
  border-radius: 50%;
  color: var(--text-light-muted);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.site-footer__social-link svg { width: 15px; height: 15px; }
.site-footer__social-link:hover { border-color: var(--accent); color: var(--accent); }
.site-footer__legal {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  flex-wrap: wrap;
  font-size: var(--text-xs);
}
.site-footer__copy { color: var(--text-light-muted); }
.site-footer__privacy { color: var(--text-light-muted); text-decoration: underline; text-underline-offset: 3px; transition: color var(--t-fast); }
.site-footer__privacy:hover { color: var(--text-light); }

/* ─── CTA flottante — appare dopo ~75% del primo viewport ── */
.floating-cta {
  position: fixed;
  right: var(--sp-md);
  bottom: var(--sp-md);
  z-index: 800;
  transform: translateY(24px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out), visibility 0.35s;
}
.floating-cta.is-visible { transform: translateY(0); opacity: 1; visibility: visible; }
body.is-footer-visible .floating-cta,
body.is-footer-visible .back-to-top { opacity: 0; visibility: hidden; transform: translateY(12px); }

/* ─── Torna su — angolo opposto al CTA, stesso comportamento ── */
.back-to-top {
  position: fixed;
  left: var(--sp-md);
  bottom: var(--sp-md);
  z-index: 800;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--hairline-light);
  background-color: rgba(27, 22, 19, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transform: translateY(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base), border-color var(--t-fast), color var(--t-fast);
}
.back-to-top.is-visible { transform: translateY(0); opacity: 1; visibility: visible; }
.back-to-top:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 620px) {
  .back-to-top { left: var(--sp-xs); bottom: var(--sp-xs); width: 40px; height: 40px; }
}

@media (max-width: 760px) {
  .site-footer__grid { grid-template-columns: 1fr; gap: var(--sp-lg); }
}

@media (max-width: 620px) {
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .floating-cta { right: var(--sp-xs); bottom: var(--sp-xs); padding: 0.75rem 1.4rem; font-size: 0.62rem; }
}