.nav-burger { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; z-index: 101; }
.nav-burger span { display: block; width: 22px; height: 2px; background: #f1f5f9; margin: 5px 0; border-radius: 2px; transition: all 0.3s; }
.nav-burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
    .nav-burger { display: block; }
    .nav-links {
        display: none !important;
        flex-direction: column;
        gap: 0;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 23, 0.97);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid #1e3a2b;
        padding: 1rem 0;
        z-index: 100;
    }
    .nav-links.open { display: flex !important; }
    .nav-links a { padding: 0.75rem 2rem !important; font-size: 1rem !important; }
    .nav-links a:hover { background: rgba(26, 43, 35, 0.8); }
}