/* --- ESTILOS GERAIS (MOBILE FIRST) --- */
:root {
    --color-primary: #00ff00; /* Verde Limão Neon */
    --color-secondary: #1e1e1e; /* Fundo Secundário */
    --color-background: #000000; /* Preto Puro */
    --color-text: #ffffff;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Container principal para limitar a largura em telas grandes */
.container {
    padding: 20px; /* Padding padrão para mobile */
    max-width: 1200px;
    margin: 0 auto;
}

/* Links */
a {
    text-decoration: none;
    color: var(--color-text);
    transition: color 0.3s;
}

a:hover {
    color: var(--color-primary);
}

/* Títulos */
h1 {
    color: var(--color-primary);
    font-size: 2em;
    margin: 10px 0 5px;
}

h2 {
    color: var(--color-text);
    font-size: 1.5em;
    margin-bottom: 20px;
    text-align: center;
}

h3 {
    color: var(--color-primary);
    font-size: 1.2em;
    margin-top: 20px;
}

/* Centralização */
.center {
    text-align: center;    
}

/* --- NAVEGAÇÃO E MENU HAMBÚRGUER --- */

/* Checkbox oculto para o menu hamburguer */
#menu-toggle {
    display: none;
}

/* Ícone Hambúrguer (Mobile) */
.hamburger-icon {
    display: block;
    cursor: pointer;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    width: 30px;
    height: 30px;
    padding: 5px;
}

.bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    margin: 6px 0;
    transition: all 0.3s ease-in-out;
}

/* NAV Principal (Oculto por padrão no mobile) */
nav {
    position: fixed;
    top: 0;
    right: -250px; /* Esconde o menu fora da tela */
    width: 250px;
    height: 100%;
    background-color: var(--color-secondary);
    box-shadow: -2px 0 5px rgba(0,0,0,0.5);
    transition: right 0.3s ease-in-out;
    z-index: 1000;
    padding-top: 60px;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
}

nav ul li a {
    display: block;
    padding: 15px 20px;
    font-weight: bold;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Ação de abrir o menu */
#menu-toggle:checked ~ nav {
    right: 0;
}

/* Animação do ícone para 'X' */
#menu-toggle:checked + .hamburger-icon .bar:nth-child(2) {
    opacity: 0;
}
#menu-toggle:checked + .hamburger-icon .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
#menu-toggle:checked + .hamburger-icon .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}


/* --- HEADER --- */

header {
    padding: 20px 0;
    text-align: center;
}

header img {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 5px solid var(--color-primary);
    object-fit: cover;
    margin-bottom: 15px;
}

/* --- FOOTER --- */

footer {
    display: flex;
    flex-wrap: wrap; /* Permite que os ícones quebrem a linha em telas muito pequenas */
    justify-content: center;
    padding: 20px 0;
    border-top: 1px solid var(--color-secondary);
    margin-top: 40px;
}

footer a {
    margin: 10px 15px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

footer img {
    width: 30px;
    height: 30px;
    margin-bottom: 5px;
}

footer p {
    font-size: 0.8em;
    margin-top: 2px;
}


/* --- SEÇÃO PROJECTS (projects.html) --- */

.projects-grid {
    display: grid;
    grid-template-columns: 1fr; /* Padrão de uma coluna para mobile */
    gap: 30px;
    margin: 40px 0;
    padding: 0;
}

.project-card {
    background-color: var(--color-secondary); 
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s;
}

.project-card:hover img {
    transform: scale(1.03);
}

.project-card .info {
    padding: 15px;
    flex-grow: 1; /* Garante que os cards tenham altura similar */
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-card h3 {
    margin: 10px 0;
    color: var(--color-primary);
}

.project-card p {
    font-size: 0.95em;
    color: var(--color-text);
    margin-bottom: 15px;
    flex-grow: 1;
}

.project-card .btn {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-background);
    padding: 8px 15px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 10px;
}

.project-card .btn:hover {
    background-color: #00e600;
}

/* --- SEÇÃO CONTACT (contact.html) --- */

form {
    max-width: 400px;
    margin: 30px auto 0; 
    padding: 20px;
    background-color: var(--color-secondary);
    border: 1px solid var(--color-primary);
    border-radius: 10px;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
    color: var(--color-primary);
}

input[type="text"], 
input[type="number"], 
input[type="email"], 
input[type="tel"] {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    margin-bottom: 16px;
    border: 1px solid var(--color-primary);
    border-radius: 6px;
    background-color: #333;
    color: var(--color-text);
    box-sizing: border-box; /* Garante que padding e border não aumentem a largura */
}

button[type="submit"] {
    background-color: var(--color-primary);
    color: var(--color-background);
    font-weight: bold;
    border: none;
    padding: 10px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
}

button[type="submit"]:hover {
    background-color: #00e600;
}


/* --- MEDIA QUERIES (TABLET/DESKTOP) --- */

@media (min-width: 600px) {
    .container {
        padding: 40px 50px;
    }
    
    /* NAV (Desktop/Tablet): Display horizontal e fixo */
    .hamburger-icon {
        display: none; /* Oculta ícone */
    }

    nav {
        position: static; /* Tira do fixed */
        width: auto;
        height: auto;
        background-color: var(--color-background);
        box-shadow: none;
        padding-top: 0;
        right: auto;
        transition: none;
    }
    
    nav ul {
        flex-direction: row;
        justify-content: center;
        gap: 30px;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-secondary);
    }
    
    nav ul li a {
        padding: 5px 10px;
        border-bottom: none;
    }

    /* Projects Grid */
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}