nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 40px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(10,13,18,0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(26,31,44,0.5);
    transition: opacity 0.6s ease;
    opacity: 0;
}

nav.visible { opacity: 1; }

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-logo svg { width: 24px; height: 24px; }

.nav-logo span {
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--t);
    opacity: 0.7;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.nav-links a:hover { color: var(--text); }

@media (max-width: 768px) {
    nav { padding: 0 20px; }
    .nav-links { display: none; }
}