.soc__links {
  display: flex;
  gap: 10px
}

.soc__link {
    background-color: #FFF;
  position: relative;
  display: inline-flex;
  width: 46px;
  height: 46px;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
  transition: background-color .3s;
  -webkit-transition: background-color .3s;
  -moz-transition: background-color .3s;
  -ms-transition: background-color .3s;
  -o-transition: background-color .3s
}

.soc__link>svg {
  fill: rgba(30, 30, 30, 1);
}

.soc__link {
  position: relative;
}

/* белая заливка из центра */
.soc__link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;

  background: rgba(30, 30, 30, 1);
  transform: scale(0);
  transform-origin: 50% 50%;
  transition: transform .35s cubic-bezier(.2, .8, .2, 1);
}

/* иконка поверх */
.soc__link svg {
  position: relative;
  z-index: 1;
}

/* старт – белые */
.soc__link svg path {
  fill: rgba(30, 30, 30, 1);
  transition: fill .4s ease-in-out;
  -webkit-transition: fill .4s ease-in-out;
  -moz-transition: fill .4s ease-in-out;
  -ms-transition: fill .4s ease-in-out;
  -o-transition: fill .4s ease-in-out;
}

/* hover – круг белеет, иконка чернеет */
.soc__link:hover::before,
.soc__link:focus-visible::before {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
  -o-transform: scale(1.05);
}

.soc__link:hover svg path,
.soc__link:focus-visible svg path {
  fill: #FFF;
}

.btn_transparent{
     background-color: rgba(35, 35, 35, 0.6);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 12px 35px;
    border: 1px solid #4a4a4a;
    font-size: 16px;
    background-color: transparent;
    transition: all 0.4s ease;
    -webkit-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    -ms-transition: all 0.4s ease;
    -o-transition: all 0.4s ease;
    border-radius: 30px;
    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    -ms-border-radius: 30px;
    -o-border-radius: 30px;
}
@media (hover:hover) {
.btn_transparent:hover{
    border: 1px solid var(--main-color);
}
}