/* --- ESTILOS GERAIS --- */
body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, sans-serif; /* Fonte base sans-serif */
    background-color: #FFFFFF; /* Fundo principal branco */
    color: #333;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* --- GRADIENTE DE FUNDO SUTIL --- */
/* Recria o efeito de luz suave da imagem */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 20%, rgba(240, 240, 240, 0.4) 0%, rgba(255, 255, 255, 1) 100%);
    z-index: -1;
}

/* --- CABEÇALHO (HEADER) --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background-color: transparent; /* Permite ver o gradiente por trás */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    border-bottom: 1px solid rgba(200, 200, 200, 0.2);
    box-sizing: border-box;
    z-index: 100;
}

.header-logo {
    display: flex;
    align-items: center;
}

.header-logo img {
    height: 35px;
    margin-right: 15px;
}

.header-title {
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-item {
    font-size: 0.9rem;
    color: #444;
    display: flex;
    align-items: center;
}

/* Cor vermelha suave para hover/ativo nos itens de menu */
.nav-item.active,
.nav-item:hover {
    color: #C03030;
}

.dropdown-icon {
    font-size: 0.7rem;
    margin-left: 5px;
    opacity: 0.7;
}

.en-button {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: white;
    border: 1px solid #CCC;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #555;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.en-button:hover {
    border-color: #999;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.en-button-icon {
    font-size: 0.9rem;
}

/* --- CONTEÚDO PRINCIPAL (MAIN) --- */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 100px 20px; /* Padding superior para evitar o header fixo */
    box-sizing: border-box;
    text-align: center;
}

/* Logo FES grande central */
.hero-logo-container {
    margin-bottom: 50px;
}

.hero-logo-container img {
    width: 120px; /* Ajuste o tamanho conforme necessário */
    height: auto;
}

/* Título Principal */
.main-title {
    font-family: 'Crimson Text', serif; /* Fonte serifada */
    font-size: 4rem; /* Tamanho grande */
    line-height: 1.1;
    color: #222;
    margin: 0;
    font-weight: 700;
}

/* A palavra 'Society' em vermelho */
.main-title .highlight {
    color: #D13535; /* Vermelho correspondente */
}

/* Slogan */
.hero-tagline {
    font-size: 1rem;
    color: #777; /* Cinza */
    margin-top: 25px;
    margin-bottom: 55px;
    font-weight: 300;
}

/* --- BOTÕES (BUTTONS) --- */
.button-group {
    display: flex;
    gap: 15px;
    margin-bottom: 60px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    width: 160px; /* Largura consistente */
}

/* Botão Vermelho Sólido ('Conhece-nos') */
.btn-solid {
    background-color: #D13535; /* Vermelho */
    color: white;
    border: 2px solid #D13535;
}

.btn-solid:hover {
    background-color: #B22C2C; /* Vermelho ligeiramente mais escuro */
    border-color: #B22C2C;
}

/* Botão Delineado ('Newsletter' e 'Linktree') */
.btn-outline {
    background-color: white;
    color: #D13535; /* Texto Vermelho */
    border: 2px solid #D13535; /* Borda Vermelha */
}

.btn-outline:hover {
    background-color: rgba(209, 53, 53, 0.05); /* Fundo sutilmente vermelho no hover */
}

/* --- INDICADOR DE SCROLL --- */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: #CCC;
    opacity: 0.7;
}

/* --- RESPONSIVIDADE BÁSICA --- */
@media (max-width: 768px) {
    header {
        padding: 0 20px;
        height: 70px;
    }

    .header-logo img {
        height: 30px;
        margin-right: 10px;
    }

    .header-title {
        display: none; /* Esconde o título do texto no mobile */
    }

    .nav-menu {
        gap: 15px;
    }

    .nav-item, .en-button {
        font-size: 0.8rem;
    }

    .main-title {
        font-size: 2.8rem;
    }

    .button-group {
        flex-direction: column;
        gap: 10px;
    }

    .btn {
        width: 100%; /* Botões de largura total no mobile */
    }
}