.animated-btn {
    position: relative;
    padding: 15px 30px;
    background: #111;
    color: #fff;
    border: none;
    cursor: pointer;
    overflow: hidden;
    transition: color 0.3s;
}

.animated-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    border: 2px solid #00eaff;
    transition: width 0.5s;
}

.animated-btn:hover::before {
    width: 100%;
}