/* Floating WhatsApp — RTL right / LTR left */

.sahtain-whatsapp {
  --wa-size: 60px;
  --wa-green: #25d366;
  position: fixed;
  z-index: 5000;
  bottom: max(22px, env(safe-area-inset-bottom, 0px));
  right: max(20px, env(safe-area-inset-right, 0px));
  left: auto;
  width: var(--wa-size);
  height: var(--wa-size);
  display: grid;
  place-items: center;
  text-decoration: none;
  color: #fff;
}

html[lang="en"] .sahtain-whatsapp,
html[dir="ltr"] .sahtain-whatsapp,
body.ltr .sahtain-whatsapp {
  left: max(20px, env(safe-area-inset-left, 0px));
  right: auto;
}

.sahtain-whatsapp--lift {
  bottom: max(
    calc(var(--sahtain-trust-bottom, 18px) + var(--sahtain-trust-h, 98px) + 16px),
    env(safe-area-inset-bottom, 0px)
  );
}

.sahtain-whatsapp__btn {
  position: relative;
  z-index: 2;
  width: var(--wa-size);
  height: var(--wa-size);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--wa-green);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.42);
  animation: sahtainWaBob 2.4s ease-in-out infinite;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.sahtain-whatsapp:hover .sahtain-whatsapp__btn {
  transform: scale(1.08);
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.5);
  animation-play-state: paused;
}

.sahtain-whatsapp__pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.38);
  z-index: 1;
  animation: sahtainWaPulse 2.2s ease-out infinite;
  pointer-events: none;
}

.sahtain-whatsapp__pulse--delay {
  animation-delay: 0.7s;
}

@keyframes sahtainWaPulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.85);
    opacity: 0;
  }
}

@keyframes sahtainWaBob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@media (max-width: 700px) {
  .sahtain-whatsapp {
    --wa-size: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sahtain-whatsapp__btn,
  .sahtain-whatsapp__pulse {
    animation: none;
  }
}

@media print {
  .sahtain-whatsapp {
    display: none !important;
  }
}