@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@100&display=swap');

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #050510;
    overflow: hidden;
    font-family: 'Montserrat', sans-serif;
}

.overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.1);
    letter-spacing: 30px;
    pointer-events: none;
    z-index: 10;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    border: 2px solid cyan;
    box-shadow: 0 0 10px cyan, inset 0 0 10px cyan;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: expand 2s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

@keyframes expand {
    0% { width: 0; height: 0; opacity: 1; }
    100% { width: 500px; height: 500px; opacity: 0; border-width: 0.5px; }
}