.footer {
  background: #1f0a16;
  color: white;
}

.footer-grid {
  padding: 45px 8%;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 35px;
}

.footer h2,
.footer h3 {
  color: var(--dorado);
}

.footer p,
.footer a {
  color: #ddd;
  display: block;
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 16px;
}

.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: #25d366;
  color: white;
  border-radius: 40px;
  padding: 14px 18px;
  font-weight: bold;
  box-shadow: 0 8px 22px rgba(0,0,0,.25);
  z-index: 200;
}

.bottom-nav {
  display: none;
}

@media (max-width: 768px) {
  .bottom-nav {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    background: var(--vino2);
    border: 1px solid rgba(212,175,55,.25);
    border-radius: 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    z-index: 300;
    box-shadow: 0 10px 30px rgba(0,0,0,.35);
    overflow: hidden;
  }

  .bottom-nav a {
    color: white;
    text-align: center;
    padding: 10px 4px;
    font-size: 12px;
    font-weight: bold;
  }

  .bottom-nav span {
    display: block;
    font-size: 20px;
    margin-bottom: 3px;
  }

  body {
    padding-bottom: 80px;
  }

  .whatsapp-float {
    display: none;
  }
}