/* Estilos adicionais para o header com efeito de scroll */
.header.scrolled {
    background-color: rgba(26, 38, 57, 0.95);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.header.scrolled .logo a {
    color: var(--color-white);
}

.header.scrolled .nav-list a {
    color: var(--color-white);
}

.header.scrolled .hamburger,
.header.scrolled .hamburger::before,
.header.scrolled .hamburger::after {
    background-color: var(--color-white);
}

/* Estilos para o menu mobile ativo */
.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Estilos para imagens de destaque */
.destaque-image img,
.bio-preview-image img,
.timeline-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Estilos para o botão "Voltar ao topo" */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-accent);
    transform: translateY(-5px);
}

/* Ajustes para melhorar a acessibilidade */
:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 8px 15px;
    z-index: 1001;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
}

/* Animações para elementos da página */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.destaque-content,
.bio-preview-content,
.gallery-grid,
.timeline-item {
    animation: fadeIn 0.8s ease forwards;
}

/* Ajustes para melhorar a performance */
.gallery-image img,
.carousel-slide img {
    will-change: transform;
}

/* Estilos para o preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--color-light-gray);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Ajustes para melhorar a experiência de impressão */
@media print {
    .header,
    .footer,
    .carousel-section,
    .gallery-preview,
    .filter-buttons,
    .lightbox,
    .back-to-top {
        display: none !important;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    .container {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin: 20px 0;
        flex-direction: row;
    }
}