/* =========================================================
   FOOTER STANDARD GDFASTEC
   Usato da tutte le pagine (markup in includes/footer.php,
   copiato identico in index.html e prodotti.html).
   Autonomo: non dipende da style.css / prodotti.css.
   ========================================================= */

footer.gdf-footer{
  --gdf-footer-fade: 220px;
  position: relative;
  z-index: 2; /* sopra la sezione precedente, per la dissolvenza */
  background: linear-gradient(180deg, #0f216e 0%, #cb58f8 100%);
  color: #fff;
  padding: 0;
  margin: 0;
  /* spazio riservato alla dissolvenza: così non copre il contenuto sopra */
  margin-top: var(--gdf-footer-fade);
  font-family: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
}

/* Dissolvenza verso il blu del footer. Curva graduale (parte quasi
   invisibile e si intensifica in basso): niente fascia grigia né bordo netto */
footer.gdf-footer::before{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: var(--gdf-footer-fade);
  background: linear-gradient(180deg,
    rgba(15, 33, 110, 0) 0%,
    rgba(15, 33, 110, .03) 18%,
    rgba(15, 33, 110, .09) 34%,
    rgba(15, 33, 110, .2) 50%,
    rgba(15, 33, 110, .38) 64%,
    rgba(15, 33, 110, .6) 78%,
    rgba(15, 33, 110, .84) 90%,
    #0f216e 100%);
  pointer-events: none;
}

/* Home: la dissolvenza si sovrappone alla foto scura della sezione sopra
   (lì l'effetto è voluto), quindi niente spazio riservato */
footer.gdf-footer.gdf-footer--overlay{ margin-top: 0; }

.gdf-footer *,
.gdf-footer *::before,
.gdf-footer *::after{ box-sizing: border-box; }

.gdf-footer a{
  color: #fff;
  text-decoration: none;
  text-transform: none; /* style.css mette capitalize su tutti i link */
  min-height: 0;        /* style.css mette min-height:44px su tutti i link */
  /* responsive.css (<=768px) mette padding 12px 26px !important e 14px su tutti i link */
  padding: 0 !important;
  font-size: inherit;
  line-height: inherit;
  transition: color .3s ease;
}
.gdf-footer a:hover{ color: #f54a48; }

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

.gdf-footer__inner{
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 20px 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 28px;
}

.gdf-footer__logo img{
  width: 80px;
  height: auto;
  filter: brightness(0) invert(1);
}

.gdf-footer__about p{
  margin: 10px 0;
  color: #fff;
  opacity: .9;
}

.gdf-footer__social{
  display: flex;
  gap: 16px;
}
.gdf-footer__social i{ font-size: 18px; }

.gdf-footer h4{
  color: #f54a48;
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 12px;
  text-transform: none;
  letter-spacing: 0;
}

.gdf-footer__links li{ margin-bottom: 6px; }

.gdf-footer__contacts li{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}
.gdf-footer__contacts i{
  width: 20px;
  margin-top: 4px;
  font-size: 15px;
  text-align: center;
  color: #fa982f;
}

/* Barra legale */
.gdf-footer__legal{
  background: #cb58f8; /* come la vecchia barra .copyright della home */
}
.gdf-footer__legal-inner{
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: .85rem;
}
.gdf-footer__legal p{
  margin: 0;
  color: #fff;
  opacity: .9;
}

/* Responsive */
@media (max-width: 992px){
  .gdf-footer__inner{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px){
  footer.gdf-footer{ --gdf-footer-fade: 140px; }
  .gdf-footer__inner{
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 28px 16px 20px;
  }
  .gdf-footer__legal-inner{
    flex-direction: column;
    padding: 10px 16px;
  }
}