* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

canvas {
    width: 100vw;
    height: 100vh;
    display: block;
}

nav {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 32px;
    z-index: 10;
}

nav a {
    color: rgb(51, 102, 204);
    text-decoration: none;
    font-family: sans-serif;
    font-size: 18px;
    letter-spacing: 0.05em;
    opacity: 0.8;
    transition: opacity 0.2s;
}

nav a:hover {
    opacity: 1;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.dropdown-menu a {
    width: 110px;
    text-align: center;
}

.dropdown.open .dropdown-menu {
    display: flex;
}

.coming_soon {
    color: #fff;
    font-family: sans-serif;
    font-size: 14px;
    letter-spacing: 0.05em;
    opacity: 0.8;
}