/* Importação da fonte 'JetBrains Mono', ideal para interfaces de código */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&display=swap');

html {
    overflow-y: scroll;
}

/* Estilos gerais do corpo para criar um fundo escuro */
body {
    background-color: #0d1117; /* GitHub Dark */
    color: #c9d1d9; /* Cor de texto padrão */
    font-family: 'JetBrains Mono', monospace;
    margin: 0;
    padding: 0;
}

/* Container de navegação principal */
.menu-container {
    background-color: #161b22; /* Um tom um pouco mais claro */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    padding: 1rem 0;
    position: relative;
}

/* Lista do menu */
.menu {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Itens do menu */
.menu > li {
    position: relative;
    margin: 0 10px;
}

/* Links do menu */
.menu a {
    display: block;
    color: #c9d1d9;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 14px;
    font-weight: 700;
    padding: 10px 15px;
    transition: all 0.3s ease;
    letter-spacing: 1.5px;
    position: relative; /* Para o efeito de sublinhado */
    overflow: hidden;
}

/* Efeito de hover nos links */
.menu a:hover {
    color: #58a6ff; /* Azul vibrante */
    background-color: rgba(88, 166, 255, 0.1);
}

/* Efeito de sublinhado animado no hover */
.menu a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #58a6ff;
    transform: scaleX(0);
    transition: transform 0.3s ease-out;
}

.menu a:hover:after,
.menu a.active:after {
    transform: scaleX(1);
}

.menu a.active {
    color: #58a6ff;
}

/* Submenu (oculto por padrão) */
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #161b22;
    border: 1px solid #30363d;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    list-style: none;
    padding: 10px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

/* Efeito de hover para exibir o submenu */
.menu > li:hover > .submenu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px);
}

/* Links do submenu */
.submenu a {
    padding: 10px 20px;
    text-transform: none;
    font-weight: 400;
    letter-spacing: normal;
}

.submenu a:hover {
    background-color: #21262d;
    color: #58a6ff;
}

/* Botão para o menu responsivo (ícone de hambúrguer) */
.menu-toggle {
    display: none;
    cursor: pointer;
    text-align: right;
    padding: 10px 20px;
    font-size: 24px;
    color: #58a6ff;
}

/* --- Responsividade --- */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .menu {
        flex-direction: column;
        display: none;
        width: 100%;
        text-align: center;
        background-color: #1a1a2e;
    }

    .menu.show {
        display: flex;
    }
    
    .menu > li {
        border-bottom: 1px solid #30363d;
        margin: 0;
    }

    .menu > li:last-child {
        border-bottom: none;
    }

    .submenu {
        position: static;
        width: 100%;
        transform: none;
        background-color: #161b22;
        border: none;
        border-top: 1px solid #30363d;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transition: none;
    }

    .submenu a {
        padding-left: 40px;
    }

    .menu a:after {
        display: none; /* Desativa a animação de sublinhado em telas pequenas */
    }
}