/* Variáveis de cores - Ajustadas para tons de azul/verde baseados em #2b4751 com melhor contraste */
:root {
    --primary-color: #2b4751;         /* Azul-esverdeado principal */
    --secondary-color: #3a6070;       /* Tom mais claro */
    --tertiary-color: #e8f0f2;        /* Azul muito claro para fundos */
    --accent-color: #4a7c8c;          /* Tom médio para destaques */
    
    /* Variantes para categorias baseadas em #2b4751 */
    --category-1-color: #2b4751;      /* Cor base */
    --category-2-color: #3a6070;      /* Variante um pouco mais clara */
    --category-3-color: #4a7c8c;      /* Variante mais clara */
    --category-4-color: #5b8a99;      /* Variante ainda mais clara */
    --category-5-color: #1c3640;      /* Variante mais escura */
    --category-6-color: #264a57;      /* Variante um pouco mais escura */
    --category-7-color: #305b69;      /* Variante intermediária */
    --category-8-color: #1d3b46;      /* Variante escura diferente */
    
    --text-dark: #212529;
    --text-medium: #495057;
    --text-light: #6c757d;
    --black: #000;
    --white: #fff;
    --border-color: #dee2e6;
    --background-light: #f8f9fa;
    --success-color: #28a745;
    
    /* Variáveis para acessibilidade */
    --focus-outline: 3px solid #4a7c8c;
    --focus-box-shadow: 0 0 0 3px rgba(74, 124, 140, 0.5);
    --skip-link-bg: #4a7c8c;
    --skip-link-color: #fff;
}

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Acessibilidade - Links para pular navegação */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--skip-link-bg);
    color: var(--skip-link-color);
    padding: 8px;
    z-index: 1000;
    transition: top 0.3s;
    text-decoration: none;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Melhorar a leitura para telas pequenas */
@media (max-width: 600px) {
    body {
        font-size: 16px;
        line-height: 1.5;
    }
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--primary-color);
    margin-bottom: 0.5em;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

/* Melhorar foco para todos os elementos interativos */
a, button, input, select, textarea, [tabindex="0"] {
    transition: outline 0.3s, box-shadow 0.3s;
}

a:focus, button:focus, input:focus, 
select:focus, textarea:focus, [tabindex="0"]:focus {
    outline: var(--focus-outline);
    box-shadow: var(--focus-box-shadow);
    text-decoration: underline;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.2s, background-color 0.2s;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Melhorar contraste para links */
a:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-container {
    padding: 40px 0;
}

/* Header Styling */
header {
    background-color: var(--black);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.9;
}

.logo:focus {
    outline: var(--focus-outline);
    outline-offset: 5px;
}

.logo img {
    height: 65px;
    margin-right: 15px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 24px;
    color: var(--white);
    letter-spacing: 0.02em;
    line-height: 1.2;
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav ul li {
    margin-left: 30px;
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    font-size: 15px;
    padding: 30px 0;
    display: inline-block;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

nav ul li a:hover, 
nav ul li a.active {
    color: var(--accent-color);
    border-bottom: 3px solid var(--accent-color);
}

.mobile-menu {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--white);
    background: transparent;
    border: none;
    padding: 8px;
    position: relative;
    z-index: 110;
}

.mobile-menu:focus {
    outline: var(--focus-outline);
}

/* Hero Section */
.hero-section {
    background-color: var(--background-light);
    padding: 80px 0;
    text-align: center;
    background-image: linear-gradient(135deg, var(--tertiary-color) 0%, var(--background-light) 100%);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: rgba(43, 71, 81, 0.05);
    z-index: 0;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: rgba(74, 124, 140, 0.05);
    z-index: 0;
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Estilos específicos para o Mapa do Site */
.sitemap-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.sitemap-section {
    margin-bottom: 30px;
}

.sitemap-section h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--tertiary-color);
}

.sitemap-list {
    list-style: none;
    padding-left: 0;
}

.sitemap-list li {
    margin-bottom: 12px;
}

.sitemap-list li a {
    color: var(--text-medium);
    text-decoration: none;
    transition: color 0.2s, transform 0.2s;
    display: inline-block;
    font-size: 1rem;
}

.sitemap-list li a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.sitemap-list li a:focus {
    color: var(--accent-color);
    outline: var(--focus-outline);
    outline-offset: 3px;
}

.sitemap-list li a::before {
    content: "→";
    margin-right: 8px;
    color: var(--accent-color);
    display: inline-block;
    transition: transform 0.2s;
}

.sitemap-list li a:hover::before {
    transform: translateX(3px);
}

.sitemap-sublist {
    list-style: none;
    padding-left: 20px;
    margin-top: 10px;
}

.sitemap-sublist li {
    margin-bottom: 8px;
}

.sitemap-sublist li a {
    font-size: 0.95rem;
    color: var(--text-light);
}

.sitemap-sublist li a::before {
    content: "•";
    color: var(--accent-color);
}

/* Footer Styling */
footer {
    background-color: var(--black);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
    color: white;
    font-family: 'Inter', sans-serif;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.2s;
    font-size: 15px;
}

.footer-links a:hover {
    color: white;
}

.footer-links a:focus {
    outline: var(--focus-outline);
    color: white;
}

.footer-about {
    color: #adb5bd;
    font-size: 15px;
    line-height: 1.6;
}

.footer-contact {
    color: #adb5bd;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-contact strong {
    color: white;
    display: block;
    margin-bottom: 5px;
}

.footer-contact a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-contact a:hover {
    color: white;
    text-decoration: underline;
}

.footer-contact a:focus {
    outline: var(--focus-outline);
    color: white;
}

.copyright {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: #adb5bd;
    font-size: 14px;
}

.copyright nav {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.copyright nav a {
    color: #adb5bd;
    margin: 0 15px;
    text-decoration: none;
    transition: color 0.2s;
}

.copyright nav a:hover {
    color: white;
    text-decoration: underline;
}

.copyright nav a:focus {
    outline: var(--focus-outline);
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: all 0.2s;
}

.social-icon:hover {
    background-color: var(--accent-color);
}

.social-icon:focus {
    outline: var(--focus-outline);
    background-color: var(--accent-color);
}

.social-icon svg {
    width: 18px;
    height: 18px;
    fill: white;
}

/* Modo contraste alto */
@media (prefers-contrast: more) {
    :root {
        --primary-color: #1a2d36;
        --secondary-color: #2a5060;
        --accent-color: #3a6070;
        --text-medium: #333;
        --text-light: #444;
        --border-color: #333;
    }
    
    .sitemap-list li a,
    .footer-links a,
    .footer-contact a,
    .copyright nav a {
        text-decoration: underline;
    }
    
    .hero-section {
        background-image: none;
        background-color: var(--background-light);
    }
}

/* Media Queries */
@media (max-width: 1100px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    nav ul {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .sitemap-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    /* Estilização específica para menu mobile quando aberto */
    nav ul.show {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        right: 0;
        left: 0;
        background-color: var(--black);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        z-index: 100;
    }
    
    nav ul.show li {
        margin: 0;
        padding: 15px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .header-container {
        height: 70px;
    }
    
    .logo img {
        height: 60px;
        margin-right: 10px;
    }
    
    .logo-text {
        font-size: 20px;
    }
    
    .sitemap-container {
        grid-template-columns: 1fr;
    }
    
    /* Melhorar toque em dispositivos móveis */
    .sitemap-list li a,
    .footer-links a,
    nav ul li a {
        padding: 8px 0;
    }
}

/* Mídia de impressão */
@media print {
    header, footer, .hero-section, .mobile-menu {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }
    
    main {
        width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .sitemap-container {
        display: block;
    }
    
    .sitemap-section {
        margin-bottom: 20pt;
        page-break-inside: avoid;
    }
    
    a {
        color: #000;
        text-decoration: none;
    }
    
    a::after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666;
    }
}

/* Animações acessíveis - desativar se o usuário preferir menos animações */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .logo, .sitemap-list li a, nav ul li a, .social-icon {
        transition: none !important;
    }
    
    .sitemap-list li a:hover {
        transform: none !important;
    }
    
    .sitemap-list li a:hover::before {
        transform: none !important;
    }
}