/* Styles supplémentaires pour l'optimisation mobile */
@media (max-width: 768px) {
    /* Navigation mobile */
    nav {
        position: relative;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
    }
    
    nav li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    nav li:last-child {
        border-bottom: none;
    }
    
    /* Sections responsives */
    .section {
        padding: 3rem 1rem;
    }
    
    .container {
        width: 95%;
        padding: 1rem 0;
    }
    
    /* Itinéraire responsive */
    .itinerary-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .itinerary-step .icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .itinerary-connector {
        margin-left: 0;
        height: 30px;
    }
    
    /* Programme responsive */
    .timeline {
        padding-left: 1rem;
    }
    
    .timeline-item {
        padding-left: 1rem;
    }
    
    /* Budget responsive */
    .budget-category {
        padding: 1.5rem 1rem;
    }
    
    .category-header {
        flex-direction: column;
        text-align: center;
    }
    
    .category-icon {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
    
    .category-amount {
        margin-top: 0.5rem;
    }
}

@media (max-width: 480px) {
    /* Header plus compact */
    header {
        padding: 3rem 0;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    .dates {
        font-size: 1rem;
    }
    
    /* Activités en une seule colonne */
    .activities-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Budget plus compact */
    .budget-summary {
        padding: 1.5rem 1rem;
    }
    
    .amount {
        font-size: 2.5rem;
    }
    
    /* Timeline plus compacte */
    .timeline::before {
        left: 0;
    }
    
    .timeline-item::before {
        left: -0.4rem;
        width: 0.8rem;
        height: 0.8rem;
    }
}

/* Ajout de styles pour les images responsives */
img {
    max-width: 100%;
    height: auto;
}

/* Amélioration de l'accessibilité */
:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Optimisation des performances */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}