*{
    box-sizing: border-box;
}

body{
    background: #302e2e;
}

.container{
    position: relative;
    height: 650px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.block{
    position: relative;
    width: 400px;
    height: 400px;
    background: #444141;
    border-radius: 30px;
    top: 25%;
}

.block:hover{
    visibility: visible;
    opacity: 1;
}
.white-line{
    background: #fff;
    width: 0;
    height: 30px;
    position: absolute;
    top: -70px;
    left: -280px;
    opacity: 0;
    transition: width 1s ease, opacity 1s ease;
}

.text{
    color: #1dd43b;
    text-align: center;
    padding-top: 150px;
    opacity: 0;
    transition: opacity 1s ease;
    transition-delay: 1s;
}

 .block:hover .white-line {
    opacity: 1;
    width: 1000px;
  }

  .block:hover .text {
    opacity: 1;
    transition-delay: 1s;
  }

.block:not(:hover) .text {
    transition-delay: 0s; /* убираем задержку при исчезновении */
}