.site-footer {
  background: var(--green-primary);
  color: rgba(255, 255, 255, 0.88);
  padding-top: clamp(3rem, 5vw, 4rem);
}

.site-footer a {
  transition: color var(--transition), opacity var(--transition);
}

.site-footer a:hover {
  color: var(--green-lime);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__logo-link {
  display: inline-block;
  margin-bottom: 0.75rem;
  line-height: 0;
}

.site-footer__logo {
  display: block;
  width: 132px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.site-footer__tagline {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.75rem;
}

.site-footer__intro {
  font-size: 0.8125rem;
  line-height: 1.6;
  opacity: 0.82;
  margin-bottom: 1.25rem;
  max-width: 28rem;
}

.site-footer__columns {
  display: contents;
}

.site-footer__social {
  display: flex;
  gap: 0.875rem;
}

.site-footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transition: background var(--transition), transform var(--transition);
}

.site-footer__social a:hover {
  background: rgba(137, 243, 54, 0.2);
  transform: translateY(-2px);
  color: var(--green-lime);
}

.site-footer__heading {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  color: var(--white);
}

.site-footer__links li {
  margin-bottom: 0.625rem;
}

.site-footer__links a {
  font-size: 0.875rem;
  opacity: 0.85;
}

.site-footer__link-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.site-footer__link-icon .ch-icon {
  font-size: 0.875rem;
  color: var(--green-lime);
  opacity: 0.95;
}

.site-footer__benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-block: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__benefit {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer__benefit .ch-icon {
  font-size: 1.125rem;
  color: var(--green-lime);
  flex-shrink: 0;
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.5rem;
  font-size: 0.8125rem;
  opacity: 0.7;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-footer__legal {
  display: flex;
  gap: 1.5rem;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: var(--white);
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-float .ch-icon {
  font-size: 1.75rem;
}