.otk-whatsapp-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 120;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 12px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 18px 36px rgba(18, 140, 126, 0.28);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    opacity 180ms ease;
}

.otk-whatsapp-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 42px rgba(18, 140, 126, 0.34);
}

.otk-whatsapp-fab__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  flex-shrink: 0;
}

.otk-whatsapp-fab__icon svg {
  width: 24px;
  height: 24px;
}

.otk-whatsapp-fab__copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.otk-whatsapp-fab__eyebrow {
  font-size: 10px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.82;
}

.otk-whatsapp-fab__title {
  font-size: 14px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .otk-whatsapp-fab {
    right: 14px;
    bottom: 88px;
    padding: 10px 14px 10px 10px;
  }

  .otk-whatsapp-fab__icon {
    width: 40px;
    height: 40px;
  }

  .otk-whatsapp-fab__title {
    font-size: 13px;
  }
}