/* ================================================
   FOOTER.CSS
   ================================================ */

#footer {
  background: var(--color-dark);
  color: var(--color-gray-light);
  padding: var(--space-2xl) 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* Brand Spalte */
.footer-brand .nav-logo {
  color: var(--color-white);
  font-size: var(--text-xl);
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.footer-brand .nav-logo img {
  height: 60px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 260px;
}

/* Spalten */
.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-col ul li,
.footer-col ul a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: var(--color-accent);
}

/* Bottom Bar */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.35);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

.footer-legal a {
  color: rgba(255,255,255,0.35);
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

/* ================================================
   WHATSAPP FLOATING BUTTON
   ================================================ */

.whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;

  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);

  display: flex;
  align-items: center;
  justify-content: center;
  color: white;

  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.55);
}

.whatsapp-btn svg {
  width: 28px;
  height: 28px;
}