/* Estilos Gerais */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

/* Classe de acessibilidade — esconde visualmente mas mantém para leitores de ecrã */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link (acessibilidade — WCAG 2.1 Bypass Blocks).
   Visualmente escondido até receber foco via teclado (Tab no início da página). */
.skip-link {
    position: absolute;
    top: -100px;
    left: 8px;
    z-index: 10000;
    padding: 10px 16px;
    background: #2c3e50;
    color: #ffffff;
    font-weight: bold;
    font-size: 0.95em;
    text-decoration: none;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 0;
    outline: 3px solid #3498db;
    outline-offset: 2px;
}
[data-theme="dark"] .skip-link {
    background: #1e293b;
    color: #e2e8f0;
}
[data-theme="dark"] .skip-link:focus {
    outline-color: #60a5fa;
}

/* ================================== */
/* Estilo do Header (versão com logo ao lado do título)      */
/* ================================== */

/* O header principal, que serve como um contentor */
header {
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    display: flex;
    justify-content: center;
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.4;
    box-sizing: content-box;
}

/* O contentor do conteúdo do header (logo, título, subtitulo) */
.header-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    box-sizing: content-box;
}

/* Novo contentor para o logo e o h1, para ficarem lado a lado */
.header-title-container {
    display: flex;
    align-items: center;
    gap: 15px;
    box-sizing: content-box;
}

/* Estilo do logo, com o tamanho reduzido */
header .logo {
    height: 35px; /* Tamanho reduzido (aprox. 1/3 de 70-80px) */
    width: auto;
}

/* Estilos para o texto do cabeçalho (Nome Soluções Diferentes) */
.header-content h1, 
.brand-name {
    margin: 0;
    font-size: 35px;
    line-height: 1;
    font-weight: bold;
    font-family: Arial, sans-serif;
}

.header-content p {
    margin: 3px 0 0 0;
    padding-left: 50px;
    font-size: 16px;
    line-height: 1.3;
    color: #bdc3c7;
    font-family: Arial, sans-serif;
}

/* Estilos do Rodapé */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 20px;
    border-top: 1px solid #e7e7e7;
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.4;
}

nav {
    background-color: #34495e;
    padding: 1em;
    text-align: center;
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.4;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 0 15px;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

section {
    margin-bottom: 40px;
}

/* Estilos para Títulos Principais (H1) e Secundários (H2) das páginas de conteúdo */
main h1, main h2 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Ajuste específico para o H1 não ficar gigante demais, se preferir */
main h1 {
    font-size: 1.5em; /* Um pouco maior que o H2, mas equilibrado */
}

/* Garante que o H1 da Homepage (Hero) NÃO ganha a linha azul (para não estragar o design da capa) */
.hero-section h1 {
    border-bottom: none;
    padding-bottom: 0;
    color: #333; /* Mantém a cor original da homepage */
}

.subtitulo-tabela {
    font-style: italic;
    color: #666;
    margin-top: -15px;
    margin-bottom: 20px;
}

/* Estilos das Tabelas OMIE e OMIP */
.table-container {
    overflow-x: auto; /* Permite scroll horizontal em ecrãs pequenos */
}

table {
    border-collapse: collapse;
    margin-bottom: 20px;
    width: 100%;
    font-size: 12px;
}

th, td {
    border: 1px solid #ccc;
    padding: 8px 12px;
    text-align: center;
}

th {
    background-color: #f0f0f0;
}

/* Cores para cabeçalhos da tabela OMIE */
.dia { background-color: white; color: black; }
.simples { background-color: #A6A6A6; color: black; }
.bi-horario-diario { background-color: #A9D08E; color: black; }
.bi-horario_semanal { background-color: #8EA9DB; color: black; }
.tri_horario_diario { background-color: #BF8F00; color: white; }
.tri_horario_semanal { background-color: #C65911; color: white; }

/* Cores para subcabeçalhos */
.dia-sub { background-color: white; color: black; }
.simples-sub { background-color: #D9D9D9; color: black; }
.bi-horario-diario-vazio { background-color: #C6E0B4; color: black; }
.bi-horario-diario-fora-vazio { background-color: #E2EFDA; color: black; }
.bi-horario-semanal-vazio { background-color: #B4C6E7; color: black; }
.bi-horario-semanal-fora-vazio { background-color: #D9E1F2; color: black; }
.tri-horario-diario-vazio { background-color: #FFD966; color: black; }
.tri-horario-diario-cheias { background-color: #FFE699; color: black; }
.tri-horario-diario-ponta { background-color: #FFF2CC; color: black; }
.tri-horario-semanal-vazio { background-color: #F4B084; color: black; }
.tri-horario-semanal-cheias { background-color: #F8CBAD; color: black; }
.tri-horario-semanal-ponta { background-color: #FCE4D6; color: black; }

.valor-negativo {
    color: red;
}

/* Estilos do Gráfico e Dropdowns */
.dropdown-container {
    display: flex;
    justify-content: center; /* Centra os blocos na horizontal */
    align-items: flex-start; /* Alinha os blocos pelo topo */
    flex-wrap: wrap;         /* Permite que quebrem a linha em ecrãs pequenos */
    gap: 25px;               /* Espaço entre cada bloco */
    margin-bottom: 20px;
}

.dropdown-item {
    display: flex;
    flex-direction: column; /* Coloca o label em cima e o select em baixo */
    gap: 8px;                /* Espaço entre o label e o select */
}

.dropdown-item label {
    font-weight: bold;
    text-align: center;      /* Centra o texto do label */
    color: #333;
}

select {
    padding: 8px;
    font-size: 14px;
    min-width: 200px; /* Garante uma largura mínima para os dropdowns */
}

/* Tabela de Simulação */
#tabelaContainer {
    padding: 20px;
    max-width: 1000px;
    margin: auto;
    font-family: Arial, sans-serif;
    overflow-x: auto;
}
#tabelaHoraria {
    font-size: 12px;
}
#tabelaHoraria input {
    font-size: 12px;
    width: 80px;
    text-align: center;
}

/* Estilos para a Secção de Apoio e Redes Sociais */
#apoio, #redes-sociais {
    text-align: center;
}

.social-links-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 20px; /* Espaço entre os ícones */
    flex-wrap: wrap; /* Permite que os ícones quebrem a linha em ecrãs pequenos */
    padding: 20px 0;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #333;
    width: 100px; /* Largura de cada bloco de link */
}

.social-link:hover {
    opacity: 0.7;
}

.social-icon {
    width: 60px;  /* Tamanho do ícone */
    height: 60px; /* Tamanho do ícone */
    object-fit: contain;
    margin-bottom: 10px;
}

/* Estilos para páginas de conteúdo como 'Sobre' */
.content-section {
    line-height: 1.7; /* Aumenta o espaçamento entre linhas */
    text-align: justify; /* Justifica o texto */
}

.content-section ul {
    list-style-position: inside; /* Coloca os marcadores da lista dentro do bloco de texto */
    padding-left: 20px;
}
/* Estilos para o Formulário de Sugestões */
.form-container {
    max-width: 600px;
    margin: 30px auto; /* Centra o formulário */
    padding: 20px;
    border-radius: 8px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
}

.form-container label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: bold;
}

.form-container input[type="text"],
.form-container input[type="email"],
.form-container textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* Garante que o padding não afeta a largura total */
    font-size: 1em;
}

.form-container button {
    width: auto;
    padding: 12px 25px;
    border: 1px solid #3498db;
    background-color: white;
    color: #3498db;
    font-size: 1em;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-container button:hover {
    background-color: #3498db;
    color: white;
}

.footer-nav-links {
    text-align: center;
    margin-bottom: 15px;
    font-size: 0.9em;
}

.footer-nav-links a {
    margin: 0 8px;
    text-decoration: none;
    color: inherit;
}

.footer-nav-links a:hover {
    text-decoration: underline;
}

.footer-social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px; /* Espaçamento entre os ícones */
    margin-top: 15px;
}

.footer-social-icon {
    width: 35px;  /* Tamanho reduzido para os ícones */
    height: 35px; /* Tamanho reduzido para os ícones */
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-social-icon:hover {
    opacity: 1;
}
/* ================================== */
/* Estilos para o Menu de Navegação Suspenso */
/* ================================== */

/* Remove estilos padrão da lista e ativa o flexbox */
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

/* Estilo para cada item principal do menu */
nav > ul > li {
    position: relative; /* Essencial para o posicionamento do dropdown */
}

/* ================================================= */
/* Estilos para os Links Principais do Menu (Desktop e Mobile) */
/* ================================================= */

/* Estilo para os links principais do menu (Desktop) */
nav > ul > li > a {
    display: block;
    padding: 1em 18px; /* Padding para desktop */
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 15px; /* Tamanho de letra para desktop */
    white-space: nowrap; /* Impede que os nomes dos menus quebrem em duas linhas */
    transition: background-color 0.3s ease; /* Efeito suave ao passar o rato */
}

/* ================================================= */
/* Regras para Ecrãs Pequenos (Smartphones/Tablets)  */
/* ================================================= */
@media (max-width: 768px) {
    /* Diminui os links principais do menu */
    nav > ul > li > a {
        font-size: 12px;
        padding: 1em 8px;
    }

    /* Diminui os links DENTRO do menu suspenso */
    .dropdown-content a {
        font-size: 12px; /* Tamanho de letra mais pequeno para os itens em mobile */
        padding: 10px 14px;
    }
}

/* Adiciona uma seta para indicar que é um dropdown */
nav > ul > li.dropdown > a::after {
    content: ' ▾'; /* Seta para baixo */
    font-size: 0.8em;
}

/* O conteúdo do dropdown (escondido por defeito) */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #34495e;
    min-width: 250px; /* Largura mínima do dropdown */
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1; /* Garante que o dropdown fica por cima de outros elementos */
    padding: 0;
    border-radius: 0 0 5px 5px;
}

/* Links dentro do dropdown */
.dropdown-content a {
    font-size: 15px; /* Tamanho de letra base para itens do dropdown (Desktop) */
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
    border-bottom: 1px solid #4a627a;
    transition: background-color 0.2s ease;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

/* Cor do link ao passar o rato por cima */
.dropdown-content a:hover {
    background-color: #4a627a;
}

/* Mostra o dropdown quando se passa o rato no item principal */
nav > ul > li:hover > .dropdown-content {
    display: block;
}

/* Estilo para imagens de conteúdo */
.content-image {
    max-width: 100%; /* Garante que a imagem nunca é mais larga que o seu contentor */
    height: auto;    /* Mantém a proporção da imagem */
    display: block;  /* Remove espaços extra abaixo da imagem */
    margin: 20px auto; /* Centra a imagem com margens verticais */
    border-radius: 8px; /* Adiciona cantos arredondados */
}
/* Estilos para o link/botão de acesso a sites externos */
.link-portal {
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    margin-top: 30px;
}

/* Remove decoração de link do logo no cabeçalho */
.header-title-container > a {
    border-bottom: none; /* Remove qualquer sublinhado do link */
    line-height: 0;      /* Ajuda a alinhar a imagem perfeitamente */
}

/* === ESTILO SIMPLIFICADO PARA A REFERÊNCIA === */
.link-section {
    text-align: center;
    margin: 30px auto;
}

.link-section p {
    font-family: monospace;
    font-size: 0.9em;
    color: #555;
    background-color: #e9ecef;
    padding: 8px 12px;
    border-radius: 4px;
    display: inline-block;
    margin: 0;
}

/* Estilos para a secção de FAQ expansível */

.faq-section-title {
    margin-top: 2em;
    border-bottom: 2px solid #eee;
    padding-bottom: 5px;
}

.faq-item {
    border-bottom: 1px solid #eee;
    margin-bottom: 10px;
}

.faq-item summary {
    cursor: pointer;
    padding: 15px;
    font-size: 1.1em;
    position: relative;
    outline: none; /* Remove a borda ao clicar */
    transition: background-color 0.2s;
}

.faq-item summary:hover {
    background-color: #f9f9f9;
}

/* Adiciona um ícone de seta para indicar que é expansível */
.faq-item summary::after {
    content: '▼';
    position: absolute;
    right: 20px;
    font-size: 0.8em;
    transition: transform 0.2s;
}

.faq-item[open] > summary::after {
    transform: rotate(180deg);
}

.faq-content {
    padding: 0 20px 20px 20px;
    line-height: 1.6;
}

.faq-content p, .faq-content ul, .faq-content ol {
    margin-top: 0;
}

/* Estilos para a apresentação dos simuladores (homepage + Sobre) */
.simulator-showcase-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
}

.simulator-card {
    flex: 1;
    min-width: 280px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fff;
    text-align: center;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.simulator-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.simulator-card h3,
.simulator-card h4 {
    margin-top: 0;
    color: #0056b3;
}

/* --- Grelha da homepage: 3 cartões na 1.ª linha + 2 centrados na 2.ª --- */
.home-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}
.home-grid > .simulator-card {
    grid-column: span 2;
    min-width: 0; /* anula o min-width:280px do flex, desnecessário em grelha */
    display: flex;
    flex-direction: column;
}
/* Os que sobram ficam centrados por baixo dos três de cima */
.home-grid > .simulator-card:nth-child(4) { grid-column: 2 / span 2; }
.home-grid > .simulator-card:nth-child(5) { grid-column: 4 / span 2; }
/* Caso de 4 cartões (sobre.html): o 4.º fica sozinho e centrado */
.home-grid > .simulator-card:nth-child(4):last-child { grid-column: 3 / span 2; }
/* Empurra o botão para o fundo, alinhando-os entre cartões */
.home-grid > .simulator-card p { flex: 1; }
.home-grid > .simulator-card .button-link { align-self: center; }

/* Selo "beta" nos cartões */
.badge-beta {
    display: inline-block;
    vertical-align: middle;
    margin-left: 4px;
    padding: 2px 7px;
    border-radius: 10px;
    background-color: #fff3cd;
    color: #7a5900;
    border: 1px solid #ffe08a;
    font-size: 0.62em;
    font-weight: bold;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.5;
}
[data-theme="dark"] .badge-beta {
    background-color: #3a3010;
    color: #fde68a;
    border-color: #7a5900;
}

/* Selo "beta" nos itens do menu (fundo escuro) */
.menu-beta {
    display: inline-block;
    margin-left: 5px;
    /* No drawer mobile o item é flex com space-between: sem isto o selo era
       empurrado para a direita, para fora da área visível da gaveta. */
    margin-right: auto;
    padding: 1px 6px;
    border-radius: 9px;
    background-color: #f59e0b;
    color: #1f2937;
    font-size: 10px;
    font-weight: bold;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    vertical-align: middle;
}

/* Tablet — 2 colunas */
@media (max-width: 900px) {
    .home-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .home-grid > .simulator-card,
    .home-grid > .simulator-card:nth-child(4),
    .home-grid > .simulator-card:nth-child(5),
    .home-grid > .simulator-card:nth-child(4):last-child { grid-column: auto; }
}

.button-link {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.button-link:hover {
    background-color: #0056b3;
    color: #fff;
}

/* Caixa de divulgação de afiliação (DL 24/2014 / Diretiva 2005/29/CE) */
.affiliate-disclosure {
    max-width: 800px;
    margin: 18px auto 25px auto;
    padding: 14px 18px;
    background-color: #fff8e1;
    border-left: 4px solid #f59e0b;
    border-radius: 4px;
    font-size: 0.88em;
    line-height: 1.55;
    color: #5a4000;
}
.affiliate-disclosure strong {
    color: #3d2c00;
}

[data-theme="dark"] .affiliate-disclosure {
    background-color: #1e293b;
    border-left-color: #f59e0b;
    color: #fde68a;
}
[data-theme="dark"] .affiliate-disclosure strong {
    color: #fef3c7;
}

/* Estilos para a página de Apoio */
.support-options-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
    justify-content: center;
}

.support-card {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    padding: 25px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #f9f9f9;
    text-align: center;
}

.support-card h3 {
    margin-top: 0;
}

.support-card form {
    margin-top: 15px;
}

/* Destaque para códigos de referenciação (ex.: código amigo Goldenergy) */
.referral-code {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}
.referral-code code {
    font-family: "Courier New", Courier, monospace;
    font-size: 1.15em;
    font-weight: bold;
    letter-spacing: 1px;
    padding: 8px 14px;
    background-color: #eef4ff;
    border: 1px dashed #007bff;
    border-radius: 5px;
    color: #0056b3;
    user-select: all;
}
.copy-code-btn {
    padding: 8px 14px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}
.copy-code-btn:hover {
    background-color: #0056b3;
}

[data-theme="dark"] .referral-code code {
    background-color: #1e293b;
    border-color: #60a5fa;
    color: #93c5fd;
}

/* Detalhes de benefícios dentro de um cartão de apoio */
.support-card-details {
    margin-top: 18px;
    padding-top: 15px;
    border-top: 1px solid #e2e8f0;
    text-align: left;
    font-size: 0.9em;
    line-height: 1.5;
}
.support-card-details p {
    margin: 0 0 8px 0;
}
.support-card-details ul {
    margin: 0 0 12px 0;
    padding-left: 20px;
}
.support-card-details li {
    margin-bottom: 6px;
}
.support-card-details ul:last-child {
    margin-bottom: 0;
}

.support-card-details .button-link {
    margin-top: 4px;
}
.support-card-note {
    margin-top: 16px !important;
    padding-top: 12px;
    border-top: 1px dashed #e2e8f0;
    font-size: 0.85em;
    font-style: italic;
    color: #64748b;
}
.support-card-hint {
    margin-top: 10px !important;
    padding: 10px 12px;
    background-color: #fff8e1;
    border-left: 3px solid #f59e0b;
    border-radius: 4px;
    font-size: 0.85em;
    color: #5a4000;
}

[data-theme="dark"] .support-card-details {
    border-top-color: #334155;
}
[data-theme="dark"] .support-card-note {
    border-top-color: #334155;
    color: #94a3b8;
}
[data-theme="dark"] .support-card-hint {
    background-color: #1e293b;
    border-left-color: #f59e0b;
    color: #fde68a;
}

/* Caixa de Call to Action para páginas de referência */
.call-to-action-box {
    margin-top: 30px;
    padding: 20px;
    background-color: #e7f1ff; /* Azul muito claro */
    border-left: 5px solid #007bff;
    border-radius: 5px;
    text-align: center;
}

.call-to-action-box h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #0056b3;
}

.call-to-action-box p {
    margin-bottom: 15px;
}

/* Para garantir que os botões lado a lado têm espaço */
.call-to-action-box .button-link {
    margin: 5px;
}

/* Estilos para a nova página principal (index.html) */

.hero-section {
    text-align: center;
    padding: 60px 20px;
    background-color: #f8f9fa; /* Um cinzento muito claro */
}

.hero-section h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #333;
}

.hero-section p {
    font-size: 1.2em;
    color: #555;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.secondary-tools {
    text-align: center;
    background-color: #ffffff;
    padding: 30px 20px;
}

.secondary-tools h2 {
    margin-bottom: 20px;
}

.resource-links a {
    display: inline-block;
    margin: 5px 10px;
    padding: 8px 15px;
    border: 1px solid #007bff;
    color: #007bff;
    text-decoration: none;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.resource-links a:hover {
    background-color: #007bff;
    color: #fff;
}

/* ================================================================= */
/* Homepage em smartphone — versão compacta                           */
/* Objetivo: os 3 primeiros simuladores visíveis sem fazer scroll.    */
/* ================================================================= */
@media (max-width: 600px) {
    /* Cabeçalho global mais baixo (aplica-se a todas as páginas) */
    header { padding: 10px 14px; }
    header .logo { height: 30px; }
    .header-content h1,
    .brand-name { font-size: 26px; }
    .header-title-container { gap: 10px; }
    .header-content p {
        padding-left: 40px;
        /* deixa espaço para o botão de modo escuro (fixo no canto superior direito) */
        padding-right: 48px;
        font-size: 12px;
        line-height: 1.25;
    }

    /* Estas regras só afetam o index.html (main.home-main) */
    .home-main {
        margin: 6px auto;
        padding: 12px;
    }
    .home-main section { margin-bottom: 14px; }

    .home-main .hero-section {
        padding: 12px;
    }
    .home-main .hero-section h1 {
        font-size: 1.15em;
        line-height: 1.25;
        margin-top: 0; /* remove a margem por omissão do h1 */
        margin-bottom: 5px;
    }
    .home-main .hero-section p {
        font-size: 0.8em;
        line-height: 1.35;
        margin: 0;
    }

    .home-tools h2 {
        font-size: 1.1em;
        line-height: 1.3;
        padding-bottom: 6px;
        margin-bottom: 12px;
    }

    /* Cartões em lista compacta: título + resumo curto + seta */
    .home-grid {
        grid-template-columns: 1fr;
        gap: 8px;
        margin: 0;
    }
    .home-grid > .simulator-card {
        position: relative;
        display: block;
        text-align: left;
        padding: 8px 32px 8px 12px;
        border-radius: 10px;
    }
    /* Sem "salto" ao tocar (o hover em touch fica preso) */
    .home-grid > .simulator-card:hover {
        transform: none;
        box-shadow: none;
    }
    .home-grid > .simulator-card h3,
    .home-grid > .simulator-card h4 {
        font-size: 0.95em;
        line-height: 1.25;
        margin: 0 0 3px 0;
    }
    .home-grid > .simulator-card p {
        font-size: 0.8em;
        line-height: 1.3;
        margin: 0;
        color: #555;
        text-align: left;
    }
    /* Segunda frase da descrição (e o sufixo do título do Dual)
       só aparecem a partir de tablet, para manter uma linha por cartão */
    .home-grid .desc-extra,
    .home-grid .title-extra { display: none; }

    .home-grid > .simulator-card::after {
        content: '›';
        position: absolute;
        top: 50%;
        right: 12px;
        transform: translateY(-50%);
        font-size: 1.6rem;
        line-height: 1;
        color: #007bff;
    }
    /* O botão passa a cobrir o cartão inteiro (área de toque maior),
       mantendo o texto do link para leitores de ecrã. */
    .home-grid > .simulator-card .button-link {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: block;
        margin: 0;
        padding: 0;
        background: none;
        border-radius: 10px;
        /* Esconde o texto do botão sem o remover da árvore de acessibilidade */
        text-indent: -9999px;
        overflow: hidden;
        white-space: nowrap;
    }
    .home-grid > .simulator-card .button-link:hover,
    .home-grid > .simulator-card .button-link:active {
        background: none;
    }
    .home-grid > .simulator-card .button-link:focus-visible {
        outline: 3px solid #3498db;
        outline-offset: 2px;
    }

    /* Recursos secundários mais compactos */
    .home-main .secondary-tools { padding: 16px 12px; }
    .home-main .secondary-tools h2 { font-size: 1.1em; margin-bottom: 12px; }
    .home-main .resource-links a { margin: 4px 5px; padding: 7px 12px; font-size: 0.85em; }
    .home-main .call-to-action-box { padding: 14px; }
    .home-main .call-to-action-box p { font-size: 0.9em; }
}

/* ====================================== */
/* Breadcrumb (navegação hierárquica)      */
/* ====================================== */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    font-size: 0.85em;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}
.breadcrumb ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}
.breadcrumb li {
    display: inline-flex;
    align-items: center;
    color: #6c757d;
}
.breadcrumb li + li::before {
    content: '›';
    margin: 0 8px;
    color: #adb5bd;
    font-weight: bold;
}
.breadcrumb a {
    color: #007bff;
    text-decoration: none;
}
.breadcrumb a:hover {
    text-decoration: underline;
}
.breadcrumb li[aria-current="page"] {
    color: #495057;
    font-weight: 500;
}

/* Dark mode */
[data-theme="dark"] .breadcrumb {
    background-color: #1e293b;
    border-bottom-color: #334155;
}
[data-theme="dark"] .breadcrumb li {
    color: #94a3b8;
}
[data-theme="dark"] .breadcrumb li + li::before {
    color: #475569;
}
[data-theme="dark"] .breadcrumb a {
    color: #60a5fa;
}
[data-theme="dark"] .breadcrumb li[aria-current="page"] {
    color: #e2e8f0;
}

/* Em mobile, breadcrumb mais compacto */
@media (max-width: 600px) {
    .breadcrumb {
        padding: 8px 14px;
        font-size: 0.78em;
    }
    .breadcrumb li + li::before {
        margin: 0 5px;
    }
}

/* Novas classes para normalizar a largura das colunas nas tabelas de períodos horários */
.col-periodo {
    width: 25%;
}
.col-horario-geral { /* Para a tabela de 2 colunas */
    width: 75%;
}
.col-verao {
    width: 37.5%;
}
.col-inverno {
    width: 37.5%;
}

/* Estilos para a caixa de código de referência */
.referral-code-wrapper {
    display: flex;
    margin-top: 10px;
}

.referral-code-wrapper input[type="text"] {
    flex-grow: 1; /* Faz o input ocupar o espaço disponível */
    padding: 8px;
    font-family: monospace;
    font-size: 1.1em;
    border: 1px solid #ccc;
    border-right: none;
    border-radius: 5px 0 0 5px;
    background-color: #f4f4f4;
    color: #333;
    text-align: center;
    /* Remove a sombra do input em iOS */
    appearance: none;
    -webkit-appearance: none; 
}

.referral-code-wrapper button {
    padding: 8px 12px;
    font-size: 1em;
    font-weight: bold;
    border: 1px solid #007bff;
    background-color: #007bff;
    color: white;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: background-color 0.3s;
    /* Remove a sombra do botão em iOS */
    appearance: none;
    -webkit-appearance: none;
}

.referral-code-wrapper button:hover {
    background-color: #0056b3;
}

/* Estilo base para os cabeçalhos da tabela */
#tabelaHoraria thead th {
    position: relative;        /* Necessário para posicionar as setas */
    cursor: pointer;           /* Mostra a mãozinha ao passar o rato */
    user-select: none;         /* Impede seleção de texto ao clicar rápido */
    padding-right: 25px;       /* Espaço extra à direita para não tapar o texto */
    background-color: #f4f4f4; /* Cor de fundo suave */
    transition: background-color 0.2s;
}

#tabelaHoraria thead th:hover {
    background-color: #e2e2e2; /* Efeito hover */
}

/* DESENHAR AS SETAS (Estado neutro/inativo) */
#tabelaHoraria thead th::after {
    content: '▲\A▼';           /* Caracteres Unicode para setas + \A (nova linha) */
    white-space: pre;          /* Permite que o \A funcione como enter */
    font-size: 8px;            /* Tamanho pequenino */
    line-height: 9px;          /* Altura da linha para ficarem juntas */
    color: #ccc;               /* Cinzento claro (inativo) */
    
    /* Posicionamento absoluto à direita */
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%); /* Centraliza verticalmente */
    text-align: center;
}

/* QUANDO ORDENADO ASCENDENTE (Seta para cima escura, baixo oculta) */
#tabelaHoraria thead th.sort-asc::after {
    content: '▲';              /* Mostra apenas a de cima */
    color: #333;               /* Cor escura (ativo) */
    font-size: 10px;           /* Ligeiramente maior */
    white-space: normal;       /* Reset */
}

/* QUANDO ORDENADO DESCENDENTE (Seta para baixo escura, cima oculta) */
#tabelaHoraria thead th.sort-desc::after {
    content: '▼';              /* Mostra apenas a de baixo */
    color: #333;               /* Cor escura (ativo) */
    font-size: 10px;
    white-space: normal;
}

/* Altura padrão para PC (Desktop/Tablet) */
#container-chart {
    height: 400px;
    width: 100%;
    min-width: 100%; /* Garante que ocupa a largura toda */
}

/* Altura para Telemóvel (ecrãs até 600px) */
@media (max-width: 600px) {
    #container-chart {
        height: 1500px; /* A altura necessária para as 96 barras */
    }
}

/* ================================== */
/* DARK MODE — Estilos centralizados  */
/* ================================== */

/* --- Botão de toggle (flutuante, canto superior direito) --- */
.dark-mode-toggle {
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 1000;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.dark-mode-toggle:hover {
    background: #e2e8f0;
    transform: scale(1.1);
}
[data-theme="dark"] .dark-mode-toggle {
    background: #1e293b;
    border-color: #475569;
    color: #fbbf24;
}
[data-theme="dark"] .dark-mode-toggle:hover {
    background: #334155;
}

/* --- Base: body, main --- */
[data-theme="dark"] body {
    background-color: #0f172a;
    color: #e2e8f0;
}
[data-theme="dark"] main {
    background-color: #1e293b;
    box-shadow: 0 0 10px rgba(0,0,0,0.4);
}

/* --- Header --- */
[data-theme="dark"] header {
    background-color: #0f172a;
}
[data-theme="dark"] .brand-name {
    color: #e2e8f0;
}
[data-theme="dark"] .header-content p {
    color: #94a3b8;
}

/* --- Navegação --- */
[data-theme="dark"] nav {
    background-color: #1e293b;
}
[data-theme="dark"] .dropdown-content {
    background-color: #1e293b;
    border-color: #475569;
}
[data-theme="dark"] .dropdown-content a {
    color: #e2e8f0;
    border-bottom-color: #334155;
}
[data-theme="dark"] .dropdown-content a:hover {
    background-color: #334155;
}
/* --- Footer --- */
[data-theme="dark"] footer {
    background-color: #0f172a;
    border-top-color: #334155;
}

/* --- Títulos e texto --- */
[data-theme="dark"] main h1,
[data-theme="dark"] main h2 {
    color: #e2e8f0;
    border-bottom-color: #3b82f6;
}
[data-theme="dark"] h3,
[data-theme="dark"] h4 {
    color: #e2e8f0;
}
[data-theme="dark"] p {
    color: #cbd5e1;
}
[data-theme="dark"] .subtitulo-tabela {
    color: #94a3b8;
}

/* --- Tabelas genéricas --- */
[data-theme="dark"] table {
    border-color: #475569;
}
[data-theme="dark"] th {
    background-color: #334155;
    color: #e2e8f0;
    border-color: #475569;
}
[data-theme="dark"] td {
    border-color: #475569;
    color: #e2e8f0;
}

/* --- Tabela de simulação (ordenação) --- */
[data-theme="dark"] #tabelaHoraria thead th {
    background-color: #334155;
    color: #e2e8f0;
}
[data-theme="dark"] #tabelaHoraria thead th:hover {
    background-color: #475569;
}
[data-theme="dark"] #tabelaHoraria thead th::after {
    color: #64748b;
}
[data-theme="dark"] #tabelaHoraria thead th.sort-asc::after,
[data-theme="dark"] #tabelaHoraria thead th.sort-desc::after {
    color: #e2e8f0;
}
[data-theme="dark"] #tabelaHoraria input {
    background: #1e293b;
    color: #e2e8f0;
    border-color: #475569;
}
[data-theme="dark"] #tabelaContainer {
    color: #e2e8f0;
}
[data-theme="dark"] tfoot td {
    background: #1e293b;
    color: #e2e8f0;
}

/* --- Dropdowns e inputs --- */
[data-theme="dark"] select {
    background: #1e293b;
    color: #e2e8f0;
    border-color: #475569;
}
[data-theme="dark"] .dropdown-item label {
    color: #cbd5e1;
}
[data-theme="dark"] label {
    color: #cbd5e1;
}

/* --- Link section (referência URL) --- */
[data-theme="dark"] .link-section p {
    background-color: #334155;
    color: #94a3b8;
}

/* --- Hero section (homepage) --- */
[data-theme="dark"] .hero-section {
    background-color: #0f172a;
}
[data-theme="dark"] .hero-section h1 {
    color: #e2e8f0;
}
[data-theme="dark"] .hero-section p {
    color: #94a3b8;
}

/* --- Secondary tools (homepage) --- */
[data-theme="dark"] .secondary-tools {
    background-color: #1e293b;
}
[data-theme="dark"] .resource-links a {
    border-color: #3b82f6;
    color: #3b82f6;
}
[data-theme="dark"] .resource-links a:hover {
    background-color: #3b82f6;
    color: #fff;
}

/* --- Cards (simuladores, apoio) --- */
[data-theme="dark"] .simulator-card {
    background-color: #1e293b;
    border-color: #475569;
}
[data-theme="dark"] .simulator-card:hover {
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}
[data-theme="dark"] .simulator-card h3,
[data-theme="dark"] .simulator-card h4 {
    color: #60a5fa;
}
[data-theme="dark"] .support-card {
    background-color: #1e293b;
    border-color: #475569;
}
/* Cartões compactos da homepage em smartphone */
@media (max-width: 600px) {
    [data-theme="dark"] .home-grid > .simulator-card p { color: #94a3b8; }
    [data-theme="dark"] .home-grid > .simulator-card::after { color: #60a5fa; }
}

/* --- Call to action --- */
[data-theme="dark"] .call-to-action-box {
    background-color: #1e293b;
    border-left-color: #3b82f6;
}
[data-theme="dark"] .call-to-action-box h4 {
    color: #60a5fa;
}

/* --- Formulário --- */
[data-theme="dark"] .form-container {
    background-color: #1e293b;
    border-color: #475569;
}
[data-theme="dark"] .form-container label {
    color: #cbd5e1;
}
[data-theme="dark"] .form-container input[type="text"],
[data-theme="dark"] .form-container input[type="email"],
[data-theme="dark"] .form-container textarea {
    background: #0f172a;
    color: #e2e8f0;
    border-color: #475569;
}
[data-theme="dark"] .form-container button {
    background-color: #1e293b;
    border-color: #3b82f6;
    color: #3b82f6;
}
[data-theme="dark"] .form-container button:hover {
    background-color: #3b82f6;
    color: #fff;
}


/* --- FAQ --- */
[data-theme="dark"] .faq-section-title {
    border-bottom-color: #475569;
}
[data-theme="dark"] .faq-item {
    border-bottom-color: #475569;
}
[data-theme="dark"] .faq-item summary {
    color: #e2e8f0;
}
[data-theme="dark"] .faq-item summary:hover {
    background-color: #334155;
}
[data-theme="dark"] .faq-content {
    color: #cbd5e1;
}

/* --- Content sections (Sobre, etc.) --- */
[data-theme="dark"] .content-section {
    color: #cbd5e1;
}

/* --- Social links --- */
[data-theme="dark"] .social-link {
    color: #cbd5e1;
}

/* --- Link portal --- */
[data-theme="dark"] .link-portal {
    background-color: #1e293b;
    border-color: #475569;
}

/* --- Referral code --- */
[data-theme="dark"] .referral-code-wrapper input[type="text"] {
    background-color: #0f172a;
    color: #e2e8f0;
    border-color: #475569;
}

/* --- Content images: border suave --- */
[data-theme="dark"] .content-image {
    border: 1px solid #475569;
}

/* --- Cores dos cabeçalhos OMIE (mantém legibilidade em dark) --- */
[data-theme="dark"] .dia { background-color: #1e293b; color: #e2e8f0; }
[data-theme="dark"] .dia-sub { background-color: #1e293b; color: #e2e8f0; }

/* ============================================================== */
/* MENU RESPONSIVO (anteriormente inline em menu.html)              */
/* Mover para aqui evita FOUC ao injetar o menu via fetch.          */
/* ============================================================== */

/* Reserva de altura para o header+nav injetados via fetch (reduz CLS).
   Valores medidos: desktop ≈182px (constante); mobile varia 151–192px
   conforme o texto do subtítulo quebra — usar o mínimo para nunca criar
   espaço vazio permanente. */
#menu-placeholder {
    min-height: 181px;
}
@media (max-width: 768px) {
    #menu-placeholder {
        min-height: 150px;
    }
}

/* === DESKTOP: Transições suaves nos dropdowns === */
.dropdown-content {
    display: block !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s 0.25s;
    pointer-events: none;
}

nav > ul > li:hover > .dropdown-content,
nav > ul > li:focus-within > .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s 0s;
    pointer-events: auto;
}

/* Seta roda ao abrir */
nav > ul > li.dropdown > a::after {
    content: ' ▾' !important;
    display: inline-block;
    transition: transform 0.25s ease;
}
nav > ul > li.dropdown:hover > a::after,
nav > ul > li.dropdown:focus-within > a::after {
    transform: rotate(180deg);
}

/* Hover suave nos itens do dropdown */
.dropdown-content a {
    transition: background-color 0.2s ease, padding-left 0.2s ease !important;
}

.dropdown-content a:hover {
    padding-left: 22px !important;
}

/* === DESKTOP: Indicador de página ativa === */
nav > ul > li > a.nav-active {
    background-color: #4a627a;
    position: relative;
}

nav > ul > li > a.nav-active::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: #3498db;
    border-radius: 3px 3px 0 0;
}

.dropdown-content a.nav-active-item {
    background-color: rgba(52, 152, 219, 0.15) !important;
    border-left: 3px solid #3498db;
}

/* === DESKTOP: Megamenu para o Regulador === */
.mega-dropdown {
    display: block !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s 0.25s;
    pointer-events: none;
    position: absolute;
    left: 50%;
    top: 100%;
    min-width: 580px;
    background-color: #34495e;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    z-index: 100;
    padding: 20px 24px;
    border-radius: 0 0 8px 8px;
    transform-origin: top center;
}

/* Centra o megamenu relativamente ao item */
li.dropdown:hover > .mega-dropdown,
li.dropdown:focus-within > .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) translateX(-50%);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s 0s;
    pointer-events: auto;
}

.mega-dropdown {
    transform: translateY(8px) translateX(-50%);
}

.mega-columns {
    display: flex;
    gap: 24px;
}

.mega-column {
    flex: 1;
    min-width: 0;
}

.mega-column-title {
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #3498db;
    padding: 0 0 8px 0;
    margin-bottom: 4px;
    border-bottom: 1px solid rgba(74, 98, 122, 0.5);
}

.mega-column a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 8px 10px;
    font-size: 14px;
    font-weight: bold;
    border-radius: 4px;
    transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.mega-column a:hover {
    background-color: #4a627a;
    padding-left: 16px;
}

.mega-column a.nav-active-item {
    background-color: rgba(52, 152, 219, 0.15);
    border-left: 3px solid #3498db;
}

.mega-divider {
    width: 1px;
    background: rgba(74, 98, 122, 0.5);
    align-self: stretch;
}

/* === MOBILE: CSS completo === */

.hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    gap: 5px;
    flex-direction: column;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav-mobile-label {
    display: none;
    color: white;
    font-weight: bold;
    font-size: 15px;
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.3s ease;
}
.nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100%;
    background: #2c3e50;
    z-index: 1200;
    transform: translateX(100%);
    pointer-events: none;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s 0.35s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.mobile-drawer.active {
    transform: translateX(0);
    pointer-events: auto;
    visibility: visible;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s 0s;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid #4a627a;
    min-height: 56px;
    background: #2c3e50;
    flex-shrink: 0;
}
.drawer-header span { font-weight: bold; font-size: 1.05rem; color: white; }

.drawer-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: #bdc3c7;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}
.drawer-close:hover { background: #4a627a; color: white; }
.drawer-close svg { width: 20px; height: 20px; }

.drawer-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    -webkit-overflow-scrolling: touch;
}

.drawer-view {
    padding: 0;
    width: 100%;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, visibility 0s 0.3s;
}
/* visibility:hidden (com delay igual à animação) impede que links de vistas
   invisíveis recebam foco por teclado, sem cortar a transição de saída. */
.drawer-view.hidden-left  { position: absolute; top: 0; left: 0; transform: translateX(-100%); opacity: 0; pointer-events: none; visibility: hidden; }
.drawer-view.hidden-right { position: absolute; top: 0; left: 0; transform: translateX(100%);  opacity: 0; pointer-events: none; visibility: hidden; }
.drawer-view.visible      { position: relative; transform: translateX(0); opacity: 1; pointer-events: auto; visibility: visible; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, visibility 0s 0s; }

.mobile-back-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 0.85rem 1.1rem;
    background: rgba(52, 73, 94, 0.6);
    border: none;
    border-bottom: 1px solid #4a627a;
    color: #3498db;
    font-family: Arial, sans-serif;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s ease;
}
.mobile-back-btn:hover { background: #4a627a; }
.mobile-back-btn svg { width: 16px; height: 16px; }

.mobile-section-title {
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #3498db;
    padding: 1rem 1.1rem 0.35rem;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.1rem;
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: bold;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: Arial, sans-serif;
    cursor: pointer;
    transition: background 0.2s ease;
    min-height: 48px;
    border-bottom: 1px solid rgba(74, 98, 122, 0.4);
}
.mobile-nav-item:hover,
.mobile-nav-item:active { background: #4a627a; }
.mobile-nav-item svg { width: 16px; height: 16px; color: #bdc3c7; flex-shrink: 0; opacity: 0.6; }

.mobile-nav-item.nav-active-mobile {
    background-color: rgba(52, 152, 219, 0.15);
    border-left: 3px solid #3498db;
}

.mobile-divider { height: 1px; background: #4a627a; margin: 0.25rem 0; }

/* === MOBILE BREAKPOINT === */
@media (max-width: 768px) {
    nav {
        position: sticky !important;
        top: 0;
        z-index: 1000;
        min-height: 52px;
        display: flex !important;
        align-items: center;
        justify-content: center;
        padding: 0 !important;
    }
    nav > ul { display: none !important; }
    .nav-mobile-label { display: block !important; }
    .hamburger { display: flex !important; }

    /* Esconde megamenu em mobile */
    .mega-dropdown { display: none !important; }
}

/* ============================================================== */
/* Banner de consentimento de cookies                              */
/* ============================================================== */
.tf-cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99999;
    background: #f8fafc;
    color: #1e293b;
    padding: 16px 24px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.18);
    font-family: Arial, sans-serif;
    font-size: 0.88rem;
    line-height: 1.5;
    border-top: 1px solid #cbd5e1;
}
.tf-cookie-banner-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: space-between;
}
.tf-cookie-banner-msg {
    flex: 1;
    min-width: 280px;
    color: #1e293b;
}
.tf-cookie-banner-msg strong { color: #0f172a; }
.tf-cookie-banner-sub {
    display: block;
    margin-top: 4px;
    font-size: 0.82rem;
    color: #475569;
}
.tf-cookie-banner-sub a {
    color: #2563eb;
    text-decoration: underline;
}
.tf-cookie-banner-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}
.tf-cookie-banner-btn {
    padding: 10px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.88rem;
    font-family: inherit;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.tf-cookie-banner-accept {
    background: #16a34a;
    color: #fff;
    border-color: #16a34a;
}
.tf-cookie-banner-accept:hover { background: #15803d; border-color: #15803d; }
.tf-cookie-banner-reject {
    background: transparent;
    color: #475569;
    border-color: #cbd5e1;
}
.tf-cookie-banner-reject:hover { background: #e2e8f0; color: #1e293b; }

/* Dark mode */
[data-theme="dark"] .tf-cookie-banner {
    background: #1e293b;
    color: #e2e8f0;
    border-top-color: #334155;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.45);
}
[data-theme="dark"] .tf-cookie-banner-msg { color: #e2e8f0; }
[data-theme="dark"] .tf-cookie-banner-msg strong { color: #f1f5f9; }
[data-theme="dark"] .tf-cookie-banner-sub { color: #94a3b8; }
[data-theme="dark"] .tf-cookie-banner-sub a { color: #60a5fa; }
[data-theme="dark"] .tf-cookie-banner-reject {
    color: #cbd5e1;
    border-color: #475569;
}
[data-theme="dark"] .tf-cookie-banner-reject:hover {
    background: #334155;
    color: #e2e8f0;
}

@media (max-width: 600px) {
    .tf-cookie-banner { padding: 10px 14px; font-size: 0.8rem; line-height: 1.4; }
    .tf-cookie-banner-inner { gap: 10px; }
    .tf-cookie-banner-msg { min-width: 0; }
    .tf-cookie-banner-sub { margin-top: 2px; font-size: 0.74rem; }
    .tf-cookie-banner-actions { width: 100%; gap: 8px; }
    .tf-cookie-banner-btn { flex: 1; padding: 9px 12px; font-size: 0.82rem; }
}

/* ============================================================== */
/* Glossário global — decoração de termos técnicos                  */
/* ============================================================== */
abbr.gl-term {
    text-decoration: underline dotted;
    text-decoration-color: #94a3b8;
    text-underline-offset: 3px;
    cursor: pointer;
    border-bottom: none;
    text-decoration-thickness: 1px;
    color: inherit;
}
abbr.gl-term:hover,
abbr.gl-term:focus-visible {
    text-decoration-color: #2563eb;
}
abbr.gl-term:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
    border-radius: 2px;
}
[data-theme="dark"] abbr.gl-term {
    text-decoration-color: #64748b;
}
[data-theme="dark"] abbr.gl-term:hover,
[data-theme="dark"] abbr.gl-term:focus-visible {
    text-decoration-color: #60a5fa;
}

/* Tooltip popover do glossário */
.gl-tooltip {
    position: absolute;
    z-index: 9998;
    width: max-content;
    max-width: 320px;
    background: #ffffff;
    color: #1e293b;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15), 0 2px 6px rgba(15, 23, 42, 0.08);
    padding: 12px 14px 10px;
    font-family: Arial, sans-serif;
    font-size: 0.88rem;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.15s ease-out, transform 0.15s ease-out;
    pointer-events: auto;
}
.gl-tooltip.gl-tooltip-visible {
    opacity: 1;
    transform: translateY(0);
}
.gl-tooltip-cabec {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 4px;
}
.gl-tooltip-sigla {
    font-weight: 700;
    font-size: 1.05em;
    color: #0f172a;
    font-family: 'Courier New', monospace;
}
.gl-tooltip-full {
    font-size: 0.9em;
    color: #475569;
}
.gl-tooltip-cat { margin: 4px 0 6px; }
.gl-tooltip-cat .gl-cat-badge {
    display: inline-block;
    font-size: 0.7em;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}
.gl-tooltip-cat .gl-cat-badge.mercado      { background: #dbeafe; color: #1e40af; }
.gl-tooltip-cat .gl-cat-badge.regulacao    { background: #ede9fe; color: #5b21b6; }
.gl-tooltip-cat .gl-cat-badge.eletricidade { background: #fef3c7; color: #92400e; }
.gl-tooltip-cat .gl-cat-badge.gas          { background: #ffedd5; color: #9a3412; }
.gl-tooltip-cat .gl-cat-badge.solar        { background: #fef9c3; color: #854d0e; }
.gl-tooltip-cat .gl-cat-badge.unidades     { background: #d1fae5; color: #065f46; }
.gl-tooltip-cat .gl-cat-badge.horarios     { background: #cffafe; color: #155e75; }
.gl-tooltip-cat .gl-cat-badge.docs         { background: #fce7f3; color: #9d174d; }
.gl-tooltip-cat .gl-cat-badge.tarif        { background: #e0e7ff; color: #3730a3; }
.gl-tooltip-def {
    color: #334155;
    margin: 4px 0 10px;
}
.gl-tooltip-btn {
    display: inline-block;
    background: #2563eb;
    color: #ffffff;
    padding: 6px 12px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85em;
    transition: background 0.15s;
}
.gl-tooltip-btn:hover,
.gl-tooltip-btn:focus-visible { background: #1d4ed8; color: #ffffff; }
.gl-tooltip-btn:focus-visible {
    outline: 2px solid #1d4ed8;
    outline-offset: 2px;
}
.gl-tooltip-arrow {
    position: absolute;
    width: 14px;
    height: 14px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    transform: rotate(45deg);
}
/* Tooltip acima do termo → seta no fundo */
.gl-tooltip-above .gl-tooltip-arrow {
    bottom: -8px;
    border-top: none;
    border-left: none;
}
/* Tooltip abaixo do termo → seta no topo */
.gl-tooltip-below .gl-tooltip-arrow {
    top: -8px;
    border-bottom: none;
    border-right: none;
}

/* Dark mode */
[data-theme="dark"] .gl-tooltip {
    background: #1e293b;
    color: #e2e8f0;
    border-color: #334155;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.3);
}
[data-theme="dark"] .gl-tooltip-sigla { color: #f1f5f9; }
[data-theme="dark"] .gl-tooltip-full { color: #94a3b8; }
[data-theme="dark"] .gl-tooltip-def { color: #cbd5e1; }
[data-theme="dark"] .gl-tooltip-arrow {
    background: #1e293b;
    border-color: #334155;
}
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.mercado      { background: #1e3a8a; color: #bfdbfe; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.regulacao    { background: #3b1d6e; color: #ddd6fe; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.eletricidade { background: #3a3010; color: #fde68a; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.gas          { background: #3a2518; color: #fed7aa; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.solar        { background: #3a3010; color: #fde68a; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.unidades     { background: #14532d; color: #6ee7b7; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.horarios     { background: #155e75; color: #a5f3fc; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.docs         { background: #831843; color: #fbcfe8; }
[data-theme="dark"] .gl-tooltip-cat .gl-cat-badge.tarif        { background: #312e81; color: #c7d2fe; }

/* Mobile — tooltip ocupa quase todo o ecrã */
@media (max-width: 480px) {
    .gl-tooltip { max-width: calc(100vw - 24px); font-size: 0.85rem; }
    .gl-tooltip-btn { padding: 8px 14px; font-size: 0.9em; }
}

/* ================================================================= */
/* HOMEPAGE — Hero moderna (index.html apenas; classe .hero-modern)   */
/* Bloco autónomo, não altera nenhuma regra existente acima.          */
/* ================================================================= */

.hero-section.hero-modern {
    position: relative;
    overflow: hidden;
    text-align: left;
    padding: 0;
    background: radial-gradient(120% 140% at 15% 15%, #0e2340 0%, #060b18 55%, #05070f 100%);
    isolation: isolate;
}
[data-theme="dark"] .hero-section.hero-modern {
    background: radial-gradient(120% 140% at 15% 15%, #0e2340 0%, #060b18 55%, #05070f 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.35;
}
.hero-orb-a {
    width: 420px; height: 420px;
    background: #38bdf8;
    top: -120px; right: -100px;
    animation: sd-drift-a 16s ease-in-out infinite alternate;
}
.hero-orb-b {
    width: 320px; height: 320px;
    background: #34d399;
    bottom: -140px; left: 10%;
    animation: sd-drift-b 20s ease-in-out infinite alternate;
}
@keyframes sd-drift-a { from { transform: translate(0,0); } to { transform: translate(-30px, 40px); } }
@keyframes sd-drift-b { from { transform: translate(0,0); } to { transform: translate(40px, -30px); } }

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
    padding: 72px 24px 48px;
    display: flex;
    align-items: center;
    gap: 40px;
}
.hero-copy { flex: 1 1 480px; min-width: 280px; }
.hero-visual { flex: 1 1 380px; max-width: 420px; margin: 0 auto; }
.hero-svg { width: 100%; height: auto; display: block; }

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8em;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #38bdf8;
    margin: 0 0 14px;
    padding: 0;
}
.hero-section.hero-modern h1 {
    font-family: "Sora", Arial, sans-serif;
    font-size: 2.7em;
    line-height: 1.12;
    font-weight: 700;
    color: #f8fafc;
    margin: 0 0 18px;
    letter-spacing: -0.01em;
}
.hero-section.hero-modern p {
    color: #b6c2d4;
    font-size: 1.1em;
    max-width: 560px;
    margin: 0 0 28px;
    line-height: 1.55;
}
.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
}
.hero-section.hero-modern .hero-cta-primary {
    background: linear-gradient(120deg, #38bdf8, #34d399);
    color: #06131f;
    font-weight: 700;
    padding: 14px 28px;
    border-radius: 10px;
    box-shadow: 0 8px 26px -8px rgba(56, 189, 248, 0.55);
}
.hero-cta-secondary {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid rgba(226,232,240,0.35);
    padding-bottom: 2px;
}
.hero-cta-secondary:hover { border-color: #38bdf8; color: #38bdf8; }

/* --- Ilustração animada --- */
.sd-float { animation: sd-float 5s ease-in-out infinite; }
@keyframes sd-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.sd-orbit { animation: sd-orbit 26s linear infinite; }
@keyframes sd-orbit { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.sd-pulse {
    transform-origin: center;
    animation: sd-pulse-ring 2.7s ease-out infinite;
}
@keyframes sd-pulse-ring {
    0% { transform: scale(0.7); opacity: 0.9; }
    70% { opacity: 0; }
    100% { transform: scale(2.6); opacity: 0; }
}

.sd-flicker { animation: sd-flicker 3.4s ease-in-out infinite; }
@keyframes sd-flicker {
    0%, 18%, 22%, 78%, 100% { opacity: 1; }
    20%, 80% { opacity: 0.45; }
}

.sd-fiber {
    stroke-dasharray: 6 10;
    animation: sd-fiber-flow 3s linear infinite;
}
@keyframes sd-fiber-flow { to { stroke-dashoffset: -160; } }

/* --- Barra de parceiros --- */
.trust-bar {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(148,163,184,0.15);
    padding: 18px 24px 22px;
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}
.trust-label {
    font-size: 0.75em;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #64748b;
    white-space: nowrap;
}
.trust-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.trust-logos span {
    font-weight: 700;
    font-size: 0.85em;
    color: #cbd5e1;
    background: rgba(148,163,184,0.08);
    border: 1px solid rgba(148,163,184,0.18);
    padding: 5px 13px;
    border-radius: 20px;
}

/* --- CTA final da homepage (usa a classe partilhada .call-to-action-box + .home-cta) --- */
.call-to-action-box.home-cta {
    background: linear-gradient(120deg, #0e2340, #0a1830);
    border: 1px solid rgba(56,189,248,0.25);
}
.call-to-action-box.home-cta h4,
.call-to-action-box.home-cta p { color: #e2e8f0; }

/* --- Responsivo --- */
@media (max-width: 900px) {
    .hero-inner { flex-direction: column; padding: 40px 20px 28px; text-align: center; }
    .hero-copy, .hero-visual { flex: none; width: 100%; }
    .hero-cta-group { justify-content: center; }
    .hero-section.hero-modern p { margin-left: auto; margin-right: auto; }
    .hero-visual { max-width: 300px; }
}

@media (max-width: 600px) {
    /* Mantém o objetivo de compactação mobile já definido acima no ficheiro:
       ilustração e barra de parceiros saem para caber os 3 simuladores sem scroll. */
    .home-main .hero-section.hero-modern .hero-inner { padding: 20px 16px 10px; }
    .home-main .hero-section.hero-modern .hero-visual { display: none; }
    .home-main .hero-section.hero-modern h1 { font-size: 1.3em; }
    .home-main .hero-section.hero-modern p { font-size: 0.85em; margin-bottom: 14px; }
    .home-main .hero-eyebrow { font-size: 0.7em; margin-bottom: 8px; }
    .home-main .hero-cta-group { gap: 12px; }
    .home-main .hero-section.hero-modern .hero-cta-primary { padding: 10px 18px; font-size: 0.9em; }
    .home-main .trust-bar { padding: 10px 16px 14px; gap: 10px; }
    .home-main .trust-label { display: none; }
    .home-main .trust-logos { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .home-main .trust-logos span { font-size: 0.72em; padding: 4px 10px; white-space: nowrap; }
    .hero-orb { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .hero-orb, .sd-float, .sd-orbit, .sd-pulse, .sd-flicker, .sd-fiber {
        animation: none !important;
    }
}

/* ================================================================= */
/* HOMEPAGE — Continuação: selo de confiança, emblemas e secção       */
/* "Porquê usar". Bloco autónomo, apenas adiciona.                    */
/* ================================================================= */

.hero-trustpoints {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    margin: 18px 0 0;
    padding: 0;
}
.hero-trustpoints li {
    color: #94a3b8;
    font-size: 0.85em;
    font-weight: 600;
}

/* --- Emblemas dos cards da homepage --- */
.home-grid > .simulator-card .card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.1em;
    margin-right: 6px;
    vertical-align: middle;
    background: radial-gradient(circle, rgba(56,189,248,0.16), rgba(56,189,248,0) 70%);
}
.home-grid > .simulator-card {
    border-top: 3px solid transparent;
}
.home-grid > .card-elet     { border-top-color: #38bdf8; }
.home-grid > .card-gas      { border-top-color: #fb923c; }
.home-grid > .card-dual     { border-top-color: #a78bfa; }
.home-grid > .card-solar    { border-top-color: #fbbf24; }
.home-grid > .card-referral { border-top-color: #34d399; }

/* --- Secção "Porquê usar" --- */
.home-why { text-align: center; padding: 40px 20px 10px; }
.home-why h2 { margin-bottom: 28px; }
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.why-item {
    padding: 22px 16px;
    border-radius: 12px;
    background: rgba(56,189,248,0.05);
    border: 1px solid rgba(148,163,184,0.15);
}
.why-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.4em;
    margin-bottom: 10px;
    background: radial-gradient(circle, rgba(56,189,248,0.18), rgba(56,189,248,0) 72%);
}
.why-item h4 { margin: 0 0 8px; font-size: 1em; }
.why-item p { margin: 0; font-size: 0.88em; color: #64748b; line-height: 1.5; }
[data-theme="dark"] .why-item p { color: #94a3b8; }
[data-theme="dark"] .why-item { background: rgba(56,189,248,0.06); border-color: rgba(148,163,184,0.12); }

@media (max-width: 780px) {
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .home-main .hero-trustpoints { gap: 6px 14px; margin-top: 12px; }
    .home-main .hero-trustpoints li { font-size: 0.72em; }
    .home-main .home-why { padding: 22px 14px 4px; }
    .home-main .home-why h2 { font-size: 1.15em; margin-bottom: 16px; }
    .home-main .why-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .home-main .why-item { padding: 14px 10px; }
    .home-main .why-icon { width: 38px; height: 38px; font-size: 1.1em; margin-bottom: 6px; }
    .home-main .why-item h4 { font-size: 0.88em; }
    .home-main .why-item p { font-size: 0.78em; }
}