nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(0,20,60,0.75);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.12);
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
}

.nav-brand img { width: 28px; height: 28px; border-radius: 7px; }
.nav-brand span { font-size: 17px; font-weight: 600; letter-spacing: -0.3px; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: color 0.2s;
}

.nav-links a:hover { color: #fff; }

.nav-back {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 500;
}

.nav-back svg { flex-shrink: 0; }

@media (max-width: 1100px) {
    .nav-links { gap: 18px; }
    .nav-links a { font-size: 13px; }
}

@media (max-width: 920px) {
    .nav-links { display: none; }
}

@media (max-width: 768px) {
    nav { padding: 0 16px; }
}