nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 3rem;
    background: rgba(5, 8, 16, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 170, 255, 0.15);
}

.nav-logo {
    font-family: var(--mono);
    font-size: 1.2rem;
    color: var(--blue);
    letter-spacing: 2px;
}

.nav-logo span {
    color: var(--text-dim);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav ul a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: color 0.2s;
}

nav ul a:hover {
    color: var(--blue);
}

@media (max-width: 600px) {
    nav {
        padding: 1rem 1.5rem;
    }
    nav ul {
        gap: 1rem;
    }
}