.nav-menu {
    position: absolute;
    background-color: rgba(var(--bg-color--rgb), var(--bg-color--alpha));
    color: var(--text-color);
    padding: 0.5em;
    border-radius: 2vmin;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    z-index: 1000;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    gap: 0.5vb;
}

.nav-menu.center {
    background-color: var(--bg-color);
    left: 50%;
    top: calc(0.5vh + 0.5rem);
    transform: translateX(-50%);
}

.nav-menu.near {
    top: calc(8vh + 1rem);
    right: 0.1vw;
}

.nav-menu.show {
    opacity: 1;
    visibility: visible;
}

.nav-menu button {
    transform: scale(1);
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1rem;
    cursor: pointer;
    padding: 1.4vmin;
    border-radius: 1.4vmin;
    transition: background-color 0.3s ease, color 0.3s ease;
    text-align: center;
}

.nav-menu button:hover {
    transform: scale(1);
    background-color: var(--text-color);
    color: var(--bg-color);
}
.nav-menu a {
    color: var(--text-color);
    padding: 1.4vmin;
    border-radius: 1.4vmin;
    background: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
    text-align: center;
}

.nav-menu .a-button {
    color: var(--text-color);
    padding: 1.4vmin;
    border-radius: 1.4vmin;
    background: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
    text-align: center;
}

.nav-menu a:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.nav-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1vmin;
    border-radius: 2vmin;
}

@media (max-width: 768px) {
    .nav-menu.center {
        top: calc(0.5vh + 0.5rem);
    }

    .nav-menu.near {
        top: calc(4vh + 1rem);
    }
}