/* Configurações Globais */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Cabeçalho */
header {
    background-color: #2a9d8f; /* Verde-água escuro */
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: relative; 
    z-index: 100; 
}

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

header h1 {
    margin: 0;
    font-weight: 700;
    display: flex; 
    align-items: center;
    font-size: 2rem; 
}

.header-logo {
    height: 60px; 
    margin-right: 10px; 
    vertical-align: middle;
}

/* Navegação do Cabeçalho */
header nav {
    display: flex;
    align-items: center;
    gap: 0.5rem; /* Espaço entre o botão 'Filtrar' e o link 'Sobre' */
}

/* Estilo para Botão de Filtro no Header */
#toggle-filter-btn {
    background: none;
    border: none;
    color: white;
    text-decoration: none;
    font-weight: 300;
    font-size: 1rem; 
    font-family: 'Roboto', sans-serif; 
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    display: flex; 
    align-items: center;
}

#toggle-filter-btn:hover {
    background-color: #268d80; 
}

#toggle-filter-btn .arrow-down {
    display: inline-block;
    transition: transform 0.3s ease-out;
    margin-left: 8px;
}

/* Estilo para Links na Navegação (Sobre, Início) */
header nav a {
    background: none;
    border: none;
    color: white;
    text-decoration: none;
    font-weight: 300;
    font-size: 1rem;
    font-family: 'Roboto', sans-serif;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    white-space: nowrap; /* Impede que o link quebre a linha */
}

header nav a:hover {
    background-color: #268d80;
}

/* Classe para destacar link da página ativa */
header nav a.active-nav {
    background-color: #268d80;
    font-weight: 700;
}


/* Seção Hero (Banner Principal) */
.hero {
    background-color: #e9f5f3; /* Verde bem claro */
    padding: 3rem 0;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

.hero h2 {
    color: #2a9d8f;
    margin-top: 0;
    font-size: 2rem;
}

/* Container de Filtros */
.filter-container {
    padding: 2rem 0;
    text-align: center;
    display: flex;
    justify-content: center;
    flex-wrap: wrap; 
    gap: 0.8rem; 
    
    background-color: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    
    overflow: hidden;
    transition: all 0.5s ease-out;
    max-height: 500px;
}

.filter-container.filters-hidden {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
}


.filter-btn {
    background-color: #f0f0f0;
    border: 2px solid #ddd;
    border-radius: 20px;
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: #e0e0e0;
    border-color: #ccc;
}

.filter-btn.active {
    background-color: #2a9d8f; 
    color: white;
    border-color: #2a9d8f;
}


/* Grid de Plantas (Corrigido com Flex) */
.plant-grid {
    padding: 2rem 0; 
    display: flex; 
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 2rem;
}

.plant-card {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    overflow: hidden; 
    display: flex;
    flex-direction: column;
    
    flex-basis: 280px;
    flex-grow: 0;   
    
    max-height: 500px;
    transform: scale(1);
    opacity: 1;
    
    transition: all 0.4s ease-out;
    transform-origin: center top;
}

.plant-card.card-hidden {
    transform: scale(0.9);
    opacity: 0;
    max-height: 0;
    flex-basis: 0; 
    flex-grow: 0; 
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 0;
    border: 0;
    margin: 0 !important; 
}

.plant-card:hover {
    transform: translateY(-5px) scale(1.02); 
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.plant-card.card-hidden:hover {
    transform: scale(0.9);
}

.plant-card img {
    width: 100%;
    height: 200px;
    object-fit: cover; 
}

.plant-card h3 {
    color: #2a9d8f;
    margin: 1rem 1.5rem 0.5rem 1.5rem;
}

.plant-card p {
    padding: 0 1.5rem;
    flex-grow: 1; 
}

.btn {
    display: block;
    background-color: #2a9d8f;
    color: white;
    text-decoration: none;
    padding: 0.8rem;
    text-align: center;
    margin: 1.5rem;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #217a70;
}

/* Estilos da Página da Planta (Genérico) */
.plant-page {
    background-color: white;
    padding: 2rem;
    margin: 2rem auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.plant-page img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.plant-page h1 {
    color: #2a9d8f;
    border-bottom: 2px solid #e9f5f3;
    padding-bottom: 0.5rem;
}

.plant-page h2 {
    color: #333;
    margin-top: 2rem;
    border-left: 4px solid #2a9d8f;
    padding-left: 0.5rem;
}

.plant-page ol, .plant-page ul {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    padding: 1rem 1rem 1rem 3rem;
    border-radius: 5px;
}

.scientific-link a {
    display: inline-block;
    background-color: #e76f51; /* Cor de destaque (laranja) */
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
}

.scientific-link a:hover {
    background-color: #d16043;
}

/* Estilos da Página 'Sobre' */
.about-page {
    background-color: white;
    padding: 2rem 3rem; 
    margin: 2rem auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    font-size: 1.1rem;
    line-height: 1.7;
}

.about-page h1 {
    color: #2a9d8f;
    border-bottom: 2px solid #e9f5f3;
    padding-bottom: 0.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.about-page h2 {
    color: #333;
    margin-top: 2.5rem;
    border-left: 4px solid #e76f51; 
    padding-left: 0.5rem;
}

/* Logo da Universidade (no canto - Desktop) */
.uni-logo {
    float: right;
    width: 120px;
    height: auto;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    background: #f9f9f9;
    padding: 0.5rem;
    border-radius: 5px;
    border: 1px solid #eee;
}

/* Logo do Projeto (no meio) */
.project-logo-container {
    text-align: center;
    margin: 2.5rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.project-logo {
    max-width: 350px; 
    height: auto;
}

.disclaimer {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #fffaf0; 
    border: 1px solid #f0e68c;
    border-left: 5px solid #e76f51; 
    border-radius: 5px;
    font-size: 1rem;
}

/* Rodapé */
footer {
    text-align: center;
    padding: 2rem 0;
    background-color: #333;
    color: #aaa;
    margin-top: 2rem;
    font-size: 0.9rem;
}


/* ================================================= */
/* ====         Design Responsivo (Mobile)        ==== */
/* ================================================= */

@media (max-width: 768px) {

    /* --- Cabeçalho (Mobile) --- */
    header .container {
        flex-direction: column; 
        align-items: center; 
        gap: 0.5rem; 
    }

    header h1 {
        font-size: 1.8rem; 
    }

    .header-logo {
        height: 35px; 
    }
    
    header nav {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }
    
    #toggle-filter-btn, header nav a {
        width: 80%;
        justify-content: center; 
    }

    /* --- Seção Hero (Mobile) --- */
    .hero {
        padding: 2rem 0; 
    }

    .hero h2 {
        font-size: 1.6rem; 
    }
    
    /* --- Container de Filtros (Mobile) --- */
    .filter-container {
        padding: 1.5rem 0;
        gap: 0.5rem;
    }
    .filter-container.filters-hidden {
        padding: 0;
    }
    
    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }

    /* --- Grid de Plantas (Mobile) --- */
    .plant-grid {
        padding-top: 1.5rem;
    }
    
    .plant-card {
        flex-basis: 100%; 
    }

    /* --- Página da Planta (Genérico Mobile) --- */
    .plant-page {
        padding: 1rem; 
        margin: 1rem auto;
    }
    .plant-page h1 { font-size: 1.8rem; }
    .plant-page h2 { font-size: 1.3rem; }
    .plant-page ol, .plant-page ul { padding: 1rem 1rem 1rem 2rem; }

    /* --- Página 'Sobre' Responsiva --- */
    .about-page {
        padding: 1.5rem 1rem;
        font-size: 1rem;
    }
    
    /* --- ATUALIZADO: Logo UniArnaldo (Mobile) --- */
    .uni-logo {
        float: none; /* Remove o float */
        display: block; /* Garante que ela ocupe a própria linha */
        margin: 0 auto 1.5rem auto; /* Centraliza horizontalmente, adiciona margem inferior */
        width: 100px; /* Mantém um tamanho adequado para mobile */
        
        /* Remove background, padding e border que foram adicionados para o float */
        background: none;
        padding: 0;
        border: none;
    }
    
    .project-logo {
        max-width: 280px;
    }
}