/* --- CONFIGURAÇÃO DE CORES E FONTES --- */
:root {
    --primary: #002e5d;    /* Azul Marinho INISTA */
    --accent: #e63946;     /* Vermelho de Destaque */
    --text-dark: #2c3e50;
    --text-muted: #5a6c7d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

/* --- NAVEGAÇÃO / HEADER --- */
header {
    background: var(--white);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
    padding: 0 20px;
}

.logo {
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -1px;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    list-style: none;
}

/* Estilo Base dos Links */
.nav-links > li > a {
    padding: 32px 15px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    display: block;
}

.nav-links > li > a:hover {
    color: var(--accent);
}

/* LOGICA DOS DROPDOWNS (Como no site 2025) */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background: var(--white);
    min-width: 240px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-top: 3px solid var(--primary);
    top: 100%;
    left: 0;
}

.dropdown-content a {
    color: var(--text-dark);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    border-bottom: 1px solid #f0f0f0;
    transition: var(--transition);
}

.dropdown-content a:hover {
    background: var(--bg-light);
    color: var(--accent);
    padding-left: 25px; /* Efeito de deslize no hover */
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* --- HERO SECTION --- */
.hero {
    height: 70vh;
    background: linear-gradient(rgba(0, 46, 93, 0.75), rgba(0, 46, 93, 0.75)),
    url('img/largo_oliveira.jpeg') center/cover no-repeat fixed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 90px;
    padding: 0 20px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.hero p {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 2px;
}

/* --- SECÇÕES DE CONTEÚDO --- */
.section {
    padding: 80px 10%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 15px auto 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* --- CARDS E TABELAS --- */
.grid-dates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card-date {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 25px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.card-date:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* --- FOOTER --- */
footer {
    background: var(--primary);
    color: var(--white);
    padding: 40px 10%;
    text-align: center;
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 992px) {
    nav { padding: 0 5%; }
    .nav-links { display: none; } /* Aqui deve-se implementar o menu mobile burger */
    .section { padding: 60px 5%; }
}


/* Container da Grid */
.transport-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 40px auto;
}

/* Estilo comum a TODOS os cards */
.card-transport {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border-top: 4px solid var(--primary);

    display: flex;
    flex-direction: column;
    justify-content: center; /* Centra tudo verticalmente */
    align-items: center;     /* Centra tudo horizontalmente */

    /* Força uma altura mínima igual para todos os cards */
    min-height: 450px;
    height: 100%;
}

.card-transport i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.card-transport h3 {
    margin-bottom: 20px;
    color: var(--primary);
}

/* Bloco da descrição */
.description {
    flex-grow: 1; /* Faz este bloco ocupar o espaço livre */
    display: flex;
    flex-direction: column;
    justify-content: center; /* Centra o texto verticalmente aqui dentro */
    width: 100%;
    margin-bottom: 20px;
}

.description p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Bloco de info extra (shuttle) */
.extra-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    min-height: 40px; /* Reserva espaço para manter o botão no mesmo sítio */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Terceira caixa (By Bus) */
.full-width-card {
    grid-column: span 2;
    display: flex;
    justify-content: center;
    margin-top: 0;
}

/* Garante que o card do bus tem a mesma largura que um card individual de cima */
.full-width-card .card-transport {
    width: calc(50% - 15px); /* Metade da largura menos metade do gap */
}

/* --- ESTILO DA TABELA DE DATAS --- */
.dates-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.dates-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.dates-table thead {
    background-color: var(--primary);
    color: var(--white);
}

.dates-table th, .dates-table td {
    padding: 20px 25px;
    border-bottom: 1px solid #eee;
}

.dates-table th {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    font-weight: 700;
}

.dates-table tbody tr {
    transition: var(--transition);
}

.dates-table tbody tr:hover {
    background-color: #f0f7ff;
}

/* Coluna da Esquerda (Evento) */
.event-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1rem;
}

/* Coluna da Direita (Data) */
.event-date {
    color: var(--accent);
    font-weight: 700;
    font-family: 'Courier New', Courier, monospace; /* Dá um ar de "prazo oficial" */
    font-size: 1.1rem;
    text-align: right;
}

/* Destaque para a data da Conferência */
.conference-row {
    background-color: #fff5f5;
}

.conference-row td {
    color: var(--accent) !important;
    border-bottom: 2px solid var(--accent);
}

/* Responsividade para telemóveis */
@media (max-width: 600px) {
    .dates-table thead { display: none; }
    .dates-table td {
        display: block;
        text-align: center !important;
        padding: 10px;
    }
    .event-date { margin-bottom: 15px; border-bottom: 2px solid #f4f4f4; }
}

/* Títulos das Categorias de Datas */
.date-category-title {
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 800;
    margin: 40px 0 20px 0;
    display: flex;
    align-items: center;
    border-left: 5px solid var(--accent);
    padding-left: 15px;
}

.date-category-title i {
    margin-right: 10px;
    color: var(--accent);
}

/* Espaçamento entre tabelas */
.dates-container {
    margin-bottom: 50px; /* Separação entre as secções */
}

/* Container principal das datas */
.grid-dates {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Cria 3 colunas */
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.card-date {
    background: white;
    padding: 35px 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border-top: 4px solid var(--primary);
    transition: 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.card-date:hover { transform: translateY(-10px); border-top-color: var(--accent); }

/* Mágica para o 4º card ficar centrado em baixo */
.card-date:nth-child(4) {
    grid-column: 2; /* Força-o a ficar na segunda coluna (o centro das 3) */
}

.mobile-toggle {
    display: none; /* Escondido no desktop */
    font-size: 1.5rem;
    cursor: pointer;
}

/* Responsividade: Em tablets e telemóveis, volta ao normal */
@media (max-width: 992px) {
    .grid-dates { grid-template-columns: repeat(2, 1fr); }
    .card-date:nth-child(4) { grid-column: auto; }
}

@media (max-width: 600px) {
    .grid-dates { grid-template-columns: 1fr; }
}

@media (max-width: 992px) {
    .mobile-toggle {
        display: block;
        color: var(--primary);
        z-index: 1001;
    }

    .nav-links {
        display: none; /* Escondido por padrão */
        flex-direction: column;
        position: absolute;
        top: 90px;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        padding: 20px 0;
    }

    /* Classe que o JavaScript vai adicionar para mostrar o menu */
    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links > li > a {
        padding: 15px;
    }

    .dropdown-content {
        position: static; /* No mobile o dropdown expande para baixo */
        box-shadow: none;
        background: var(--bg-light);
        display: none;
    }

    .dropdown.active .dropdown-content {
        display: block;
    }
}