.article-detail form {
  font-size: 12pt;
}

/*prilepena paticka ke spodnimu okraji obrazovky*/
.under-footer {
  position:sticky;
  bottom:-1px;
  z-index:1000;
}
/**/
@media (min-width: 768px) {
  .form-horizontal .control-label {
    text-align: left;
  }}

/*přilepena hlavicka*/
.sticky-header {
  position: sticky;
  width: 100%;
  top: 0;
  background-color: #fff;
  z-index: 100;
}
.header {
  top:52px;
}
.wa-btn{
  position:fixed;
  bottom:80px;
  right:15px;
  width:60px;
  height:60px;
  background:#25D366;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:1000;
  box-shadow:0 8px 20px rgba(0,0,0,0.2);
}

.wa-btn svg{
  width:28px;
  height:28px;
  fill:#fff;
}

@media(max-width:600px){
  .wa-btn{
    bottom:70px;
    right:10px;
    width:55px;
    height:55px;
  }
}
.wa-btn{
  position:fixed;
  bottom:80px;
  right:15px;
  width:60px;
  height:60px;
  background:#25D366;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:9999;
  box-shadow:0 8px 20px rgba(0,0,0,0.25);

  animation:wa-bounce 2s infinite, wa-pulse 2.5s infinite;
}

/* bounce efekt */
@keyframes wa-bounce{
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-12px); }
  60% { transform: translateY(-6px); }
}

/* jemné pulsování */
@keyframes wa-pulse{
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.6); }
  70% { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.wa-btn svg{
  width:28px;
  height:28px;
  fill:#fff;
}

/* mobil */
@media(max-width:600px){
  .wa-btn{
    width:55px;
    height:55px;
    bottom:70px;
    right:10px;
  }
}