.site-footer {
  background: #282828;
  color: #ffffff;
  padding: 78px 0;
}

.footer-inner {
  width: min(100% - 40px, 1200px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-heading {
  font-family: "Nunito", sans-serif;
  font-size: 1em;
  font-weight: 800;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 1.1rem;
}

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.75);
}

.footer-contact {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-links li + li {
  margin-top: 0.55rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

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

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.footer-social a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.whatsapp-float {
  position: fixed;
  left: 22px;
  bottom: 22px;
  z-index: 1100;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.06);
}

@media (max-width: 992px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .site-footer {
    padding: 50px 0 40px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .whatsapp-float {
    left: 16px;
    bottom: 16px;
    width: 50px;
    height: 50px;
  }
}
