@media screen and (min-width: 1280px) {
     .menu-item {
  padding-bottom: 3px; 
  transition: color 0.3s ease;
}

    .menu-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background-color: currentColor; 
  transition: width 0.3s ease;
}

.menu-item:hover::after {
  width: 100%;
}

.menu-item a:hover{
    font-weight: 600;
}
}  

    
    /*кнопка белая*/
    .btn1 .tn-atom {
    position: relative;
    display: inline-block;
    padding: 8px 0px;
    overflow: hidden;
    color: #000;
    background-color: #fff;
    text-decoration: none;
    z-index: 1;
    transition: color 0.3s ease;
}

    .btn1 .tn-atom::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: #7E7E7E; 
    z-index: -1;
    transition: height 0.3s ease;
}

    .btn1 .tn-atom:hover::before {
    height: 100%;
}

    .btn1 .tn-atom:hover {
    color: #fff !important;
}

    /*кнопка с белой обводкой*/
    
    .btn2 .tn-atom {
    position: relative;
    display: inline-block;
    padding: 8px 0px;
    overflow: hidden;
    color: #fff;
    background-color: transparent;
    border: 1ps solid #fff;
    text-decoration: none;
    z-index: 1;
    transition: color 0.3s ease;
}

    .btn2 .tn-atom::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: #7E7E7E; 
    z-index: -1;
    transition: height 0.3s ease;
}

    .btn2 .tn-atom:hover::before {
    height: 100%;
}

    .btn2 .tn-atom:hover {
    color: #fff !important;
    border: 1px solid #7E7E7E !important;
}


/*кнопка черная в формах десктоп*/ 

    .sendform {
    margin-top: -5px;
}
    
   .sendform .tn-atom {
    position: relative;
    display: inline-flex;
    width: auto;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    overflow: hidden;
    color: #000;
    background-color: transparent;
    border: 1ps solid #000;
    text-decoration: none;
    z-index: 1;
    transition: color 0.3s ease;
}

.sendform .tn-atom::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: #000;
    z-index: -1;
    transition: height 0.3s ease;
}

.sendform .tn-atom:hover::before {
    height: 100%;
}

.sendform .tn-atom:hover {
    color: #fff !important;
    border: 1px solid #000 !important;
}

.sendform .tn-atom::after {
    content: '';
    display: inline-block;
    background-image: url('https://static.tildacdn.com/tild3137-6131-4138-b161-653764653963/Arrow_1.svg');
    background-size: contain;
    background-repeat: no-repeat;
    width: 16px;
    height: 8px;
    margin-left: 8px;
    vertical-align: middle;
    filter: invert(0); 
    transition: filter 0.3s ease; 
}

.sendform .tn-atom:hover::after {
    filter: invert(1);
}


 /*кнопка с черной обводкой в карточке товара*/
    
    .t-store__prod-popup__btn-wrapper .t-store__prod-popup__btn {
    position: relative;
    display: inline-block;
    padding: 0px 25px;
    overflow: hidden;
    background-color: transparent;
    border: 1ps solid #000;
    text-decoration: none;
    z-index: 1;
    transition: color 0.3s ease;
}

    .t-store__prod-popup__btn-wrapper .t-store__prod-popup__btn::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: #000; 
    z-index: -1;
    transition: height 0.3s ease;
}

    .t-store__prod-popup__btn-wrapper .t-store__prod-popup__btn:hover::before {
    height: 100%;
}

    .t-store__prod-popup__btn-wrapper .t-store__prod-popup__btn:hover {
    color: #fff !important;
    border: 1px solid #000 !important;
}
  
  
  /*кнопка с черной обводкой*/
    
   .btn3 .tn-atom {
    position: relative;
    display: inline-block;
    padding: 8px 0px;
    overflow: hidden;
    background-color: transparent;
    border: 1px solid #000;
    text-decoration: none;
    z-index: 1;
    transition: color 0.3s ease;
}

.btn3 .tn-atom::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: #000; 
    z-index: -1;
    transition: height 0.3s ease;
}

.btn3 .tn-atom:hover::before {
    height: 100%;
}

.btn3 .tn-atom:hover {
    color: #fff !important;
    border: 1px solid #000 !important;
}

.btn3 .tn-atom::after {
    content: '';
    display: inline-block;
    background-image: url('https://static.tildacdn.com/tild3765-3562-4262-b238-306630636237/download_o7wrol52jra.svg');
    background-size: contain;
    background-repeat: no-repeat;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    vertical-align: middle;
    filter: invert(1); 
    transition: filter 0.3s ease; 
}

.btn3 .tn-atom:hover::after {
    filter: invert(0);
}


/*кнопка черная*/
    .btn4 .tn-atom {
    position: relative;
    display: inline-block;
    padding: 8px 0px;
    overflow: hidden;
    background-color: transparent;
    border: 1px solid #000;
    text-decoration: none;
    color: #000 !important;
    z-index: 1;
    transition: color 0.3s ease;
}

    .btn4 .tn-atom::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: #000; 
    z-index: -1;
    transition: height 0.3s ease;
}

    .btn4 .tn-atom:hover::before {
    height: 100%;
}

    .btn4 .tn-atom:hover {
    color: #fff !important;
    border: 1px solid #000 !important;
}

/*кнопка черная в вопросах*/
    .btn5 .tn-atom {
    position: relative;
    display: inline-block;
    padding: 10px 20px;
    overflow: hidden;
    background-color: transparent;
    border: 1px solid #000;
    text-decoration: none;
    color: #000 !important;
    z-index: 1;
    font-size: 13px;
    border-radius: 30px;
    font-family: 'Manrope', Arial, sans-serif;
    line-height: 1.55;
    font-weight: 600;
    transition: color 0.3s ease;
}

    .btn5 .tn-atom::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0;
    background-color: #000; 
    z-index: -1;
    transition: height 0.3s ease;
}

    .btn5 .tn-atom:hover::before {
    height: 100%;
}

    .btn5 .tn-atom:hover {
    color: #fff !important;
    border: 1px solid #000 !important;
}