.footer {
  background: var(--graphite);
  color: rgba(253,248,247,0.7);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(253,248,247,0.1);
}
.footer-logo img {
  height: 12rem;
  width: auto;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid rgba(253,248,247,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(253,248,247,0.6);
  transition: all var(--transition);
  font-size: 0.95rem;
}
.footer-social a:hover {
  background: var(--copper-red);
  border-color: var(--copper-red);
  color: var(--white);
}
.footer-links h2,
.footer-contact h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 0.88rem;
  color: rgba(253,248,247,0.6);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--copper-red); }
.footer-contact ul li {
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(253,248,247,0.6);
}
.footer-contact ul li .icon-svg {
  color: var(--copper-red);
  width: 16px;
  height: 16px;
}
.footer-bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.83rem;
  color: rgba(253,248,247,0.4);
}
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}