.whatsapp-chat {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 18px 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: #25d366;
  color: #07130b;
  font: 700 13px/1 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.32);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.whatsapp-chat:hover {
  transform: translateY(-3px);
  background: #35e678;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.42);
}

.whatsapp-chat:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

.whatsapp-chat svg {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  fill: currentColor;
}

@media (max-width: 760px) {
  .whatsapp-chat {
    right: 16px;
    bottom: 72px;
    width: 54px;
    height: 54px;
    min-height: 54px;
    padding: 0;
    justify-content: center;
  }

  .whatsapp-chat span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-chat {
    transition: none;
  }
}