/* Pastga tushganda chiqadigan sariq tugmalar: chapda telefon, o'ngda yuqoriga */
.nt-float {
  position: fixed;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border: 0;
  border-radius: 9999px;
  background: #ffc400;
  color: #111;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 8px 24px -8px rgb(255 196 0 / 0.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(1rem) scale(0.9);
  transition:
    opacity 0.25s ease-out,
    visibility 0.25s,
    transform 0.25s ease-out,
    background-color 0.2s ease-out,
    box-shadow 0.2s ease-out;
  -webkit-tap-highlight-color: transparent;
}
.nt-float--call { left: calc(1.25rem + env(safe-area-inset-left, 0px)); }
.nt-float--top { right: calc(1.25rem + env(safe-area-inset-right, 0px)); }

.nt-float.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.nt-float.is-visible:hover {
  background: #ffd033;
  box-shadow: 0 12px 32px -8px rgb(255 196 0 / 0.75);
  transform: translateY(-3px) scale(1);
}
.nt-float.is-visible:active { transform: scale(0.96); }
.nt-float:focus-visible {
  outline: 2px solid #ffc400;
  outline-offset: 3px;
}

.nt-float svg {
  width: 1.5rem;
  height: 1.5rem;
  transition: transform 0.2s ease-out;
}

/* Telefon tugmasi atrofida to'lqin */
.nt-float--call::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: #ffc400;
  z-index: -1;
  opacity: 0;
}
.nt-float--call.is-visible::before { animation: nt-float-pulse 2.4s ease-out infinite; }
.nt-float--call:hover svg { animation: nt-float-ring 0.9s ease-in-out infinite; }
.nt-float--top:hover svg { transform: translateY(-3px); }

@keyframes nt-float-pulse {
  0% { opacity: 0.55; transform: scale(1); }
  70%, 100% { opacity: 0; transform: scale(1.6); }
}
@keyframes nt-float-ring {
  0%, 100% { transform: rotate(0); }
  10%, 30% { transform: rotate(-16deg); }
  20%, 40% { transform: rotate(16deg); }
  50% { transform: rotate(0); }
}

@media (max-width: 639px) {
  .nt-float { width: 3.125rem; height: 3.125rem; bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); }
  .nt-float--call { left: calc(1rem + env(safe-area-inset-left, 0px)); }
  .nt-float--top { right: calc(1rem + env(safe-area-inset-right, 0px)); }
}

@media (prefers-reduced-motion: reduce) {
  .nt-float, .nt-float svg { transition: opacity 0.2s, visibility 0.2s; }
  .nt-float--call.is-visible::before,
  .nt-float--call:hover svg { animation: none; }
}