@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;300;400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

.container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 120px;
    background: linear-gradient(109.6deg, rgb(36, 45, 57) 11.2%, rgb(16, 37, 60) 51.2%, rgb(0, 0, 0) 98.6%);
}

.button {
    position: relative;
    padding: 16px 30px;
    font-size: 1.5rem;
    color: var(--color);
    border: 2px solid var(--color);
    border-radius: 4px;
    text-shadow: 0 0 15px var(--color), 0px 0px 30px var(--color);
    text-decoration: none;
    transition: 0.5s ease-in-out;
    z-index: 1;
}

.button:hover {
    color: #ffffff;
    border: 2px solid rgba(0, 0, 0, 0);
    box-shadow: 0 0 0px var(--color);
}

.button::before {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color);
    z-index: -1;
    transform: scale(0);
    transition: 0.5s;
}

.button:hover::before {
    transform: scale(1);
    transition-delay: 0.5s;
    box-shadow: 0 0 10px var(--color), 0 0 30px var(--color), 0 0 60px var(--color);
}

.button span {
    position: absolute;
    background: var(--color);
    pointer-events: none;
    border-radius: 4px;
    box-shadow: 0 0 10px var(--color), 0 0 20px var(--color), 0 0 30px var(--color), 0 0 50px var(--color), 0 0 100px var(--color);
    transition: 0.5s ease-in-out;
    transition-delay: 0.25s;
}

.button:hover span {
    opacity: 0;
    transition-delay: 0s;
}

.button span:nth-child(1),
.button span:nth-child(3) {
    width: 40px;
    height: 4px;
}

.button:hover span:nth-child(1),
.button:hover span:nth-child(3) {
    transform: translateX(0);
}

.button span:nth-child(2),
.button span:nth-child(4) {
    width: 4px;
    height: 40px;
}

.button:hover span:nth-child(1),
.button:hover span:nth-child(3) {
    transform: translateY(0);
}

.button span:nth-child(1) {
    top: calc(50% - 2px);
    left: -50px;
    transform-origin: left;
}

.button:hover span:nth-child(1) {
    left: 50%;
}

.button span:nth-child(3) {
    top: calc(50% - 2px);
    right: -50px;
    transform-origin: right;
}

.button:hover span:nth-child(3) {
    right: 50%;
}

.button span:nth-child(2) {
    left: calc(50% - 2px);
    top: -50px;
    transform-origin: top;
}

.button:hover span:nth-child(2) {
    top: 50%;
}

.button span:nth-child(4) {
    left: calc(50% - 2px);
    bottom: -50px;
    transform-origin: bottom;
}

.button:hover span:nth-child(4) {
    bottom: 50%;
}