.navPanelToggle {
    display: none;
    position: fixed;
    top: 0.5rem;
    left: 1rem;
    z-index: 14;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.navPanelToggle .bar {
    width: 28px;
    height: 3px;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.navPanelToggle:hover .bar {
    background: var(--bleu-ciel, #6ba5d6);
}

/* Hide hamburger when lightbox is active */
.lightbox.active ~ .navPanelToggle,
body:has(.lightbox.active) .navPanelToggle {
    display: none;
}

/* Navigation Panel */
#navPanel {
    position: fixed;
    left: -280px;
    width: 280px;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 15, 30, 0.98), rgba(5, 10, 25, 0.98));
    z-index: 13;
    overflow-y: auto;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
}

#navPanel.visible {
    left: 0;
}

#navPanel nav {
    padding: 4rem 1.5rem 2rem;
}

#navPanel nav a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color 0.3s ease, padding-left 0.3s ease;
}

#navPanel nav a:hover {
    color: var(--bleu-ciel, #6ba5d6);
    padding-left: 0.5rem;
}

#navPanel nav a:last-child {
    border-bottom: none;
}

/* Overlay pour fermer le menu */
.navPanel-overlay {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 12;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.navPanel-overlay.visible {
    display: block;
    opacity: 1;
}