:root {
    /* Cores do Tema Escuro (Padrão) */
    --primary-bg: #252323;     /* Fundo principal escuro */
    --secondary-bg: rgba(0, 0, 0, 0.7); /* Fundo dos cards e overlays */
    --text-color: #fefcf0;     /* Cor do texto claro (white) */
    --accent-color: #f6e4cc;   /* Cor de destaque (creme) */
    --link-color: #f6e4cc;     /* Cor dos links no tema escuro */
    --link-hover-color: #fefcf0; /* Cor dos links ao passar o mouse */
    --border-color: rgba(255, 255, 255, 0.1); /* Cor da borda leve */
    --shadow-color: rgba(0, 0, 0, 0.2); /* Cor da sombra */
    --navbar-bg-scrolled: rgba(37, 35, 35, 0.85); /* Navbar transparente ao rolar */
    --dropdown-bg: rgba(37, 35, 35, 0.9); /* Fundo do dropdown */
    --dropdown-item-hover-bg: var(--accent-color); /* Fundo do item do dropdown ao hover */
    --dropdown-item-hover-text: var(--primary-bg); /* Cor do texto do item do dropdown ao hover */
}

/* Cores do Tema Claro */
body.light-theme {
    --primary-bg: #fefcf0;     /* Fundo principal claro */
    --secondary-bg: rgba(255, 255, 255, 0.9); /* Fundo dos cards e overlays claros */
    --text-color: #252323;     /* Cor do texto escuro */
    --accent-color: #a35d10;   /* Cor de destaque para tema claro (um marrom/laranja) */
    --link-color: #a35d10;     /* Cor dos links no tema claro */
    --link-hover-color: #252323; /* Cor dos links ao passar o mouse */
    --border-color: rgba(0, 0, 0, 0.1); /* Cor da borda leve */
    --shadow-color: rgba(0, 0, 0, 0.15); /* Sombra mais clara */
    --navbar-bg-scrolled: rgba(254, 252, 240, 0.9); /* Navbar clara transparente ao rolar */
    --dropdown-bg: rgba(254, 252, 240, 0.95); /* Fundo do dropdown claro */
    --dropdown-item-hover-bg: var(--accent-color); /* Fundo do item do dropdown ao hover */
    --dropdown-item-hover-text: var(--text-color); /* Cor do texto do item do dropdown ao hover */
}


html {
    scroll-behavior: smooth;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-color: var(--primary-bg); /* Usa variável */
    color: var(--text-color); /* Usa variável */
    word-wrap: break-word;
    overflow-wrap: break-word;
    transition: background-color 0.5s ease, color 0.5s ease; /* Transição suave para mudança de tema */
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    color: var(--text-color); /* Garante que títulos mudem de cor */
}

/* --- ESTRUTURA E MÓDULOS --- */

section.module {
    width: 100%;
    position: relative;
    padding-bottom: 10%;
}

section.module.paralax {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 80vh;
    overflow: hidden;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

/* Overlay para melhorar legibilidade do texto sobre a imagem */
section.module.paralax::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: var(--secondary-bg); /* Usa variável para o overlay */
    z-index: 1;
}

/* Conteúdo sobreposto deve ter z-index maior */
.hero-content,
.project-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

/* --- HERO SECTION (PRIMEIRA SEÇÃO) --- */
.paralax-1 {
    min-height: 100vh;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    text-shadow: 2px 2px 4px var(--shadow-color); /* Usa variável */
    margin: 0;
}

.hero-content .subtitle {
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    font-weight: 300;
    text-shadow: 1px 1px 2px var(--shadow-color); /* Usa variável */
}

/* --- SEÇÃO SOBRE/PORTFÓLIO (FUNDO ESCURO) --- */
.module-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 4rem 1rem;
    background-color: var(--primary-bg); /* Usa variável */
}

.module-text {
    background-color: var(--secondary-bg); /* Usa variável */
    padding: 1.5rem;
    border-radius: 8px;
    flex: 1 1 400px;
    max-width: 600px;
    border: 1px solid var(--border-color); /* Usa variável */
}

.module-text h2 {
    margin-top: 0;
    border-bottom: 2px solid var(--accent-color); /* Usa variável */
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.module-text p {
    line-height: 1.6;
    font-size: 1.1rem;
}

/* --- SEÇÕES DE PROJETOS --- */
.project-section {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-content {
    align-items: center;
    display: flex;
    flex-direction: column;
}

.project-content h2 {
    font-size: clamp(2rem, 6vw, 3.5rem);
    text-transform: uppercase;
}

.project-content p {
    font-size: clamp(1rem, 3vw, 1.2rem);
    line-height: 1.5;
}

/* --- IMAGENS DE FUNDO --- */
.paralax-1 {
    background-image: url(../img/giphy.webp);
}

.paralax-2 {
    background-image: url(../img/middleEarth.jpg);
}

.paralax-3 {
    background-image: url(../img/cat.jpg);
}

.paralax-4 {
    background-image: url(../img/logo-jumping.gif);
}

.paralax-6 {
    background-image: url(../img/TheApostate.png);
}

.paralax-5 {
    background-image: url(../img/cat-spinning.gif);
    background-size: 600px;
    background-repeat: no-repeat;
    background-position: center;
}

/* --- BOTÃO FLUTUANTE LINKEDIN --- */
.linkedin {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.linkedin img {
    width: 60px;
    height: auto;
    transition: transform 0.3s ease;
}

.linkedin img:hover {
    transform: scale(1.15);
}

/* ========== ESTILOS DA NAVBAR ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: background-color 0.4s ease, padding 0.4s ease;
}

/* Efeito dinâmico ao rolar a página */
.header.scrolled {
    background-color: var(--navbar-bg-scrolled); /* Usa variável */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px var(--shadow-color); /* Usa variável */
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    transition: padding 0.4s ease;
}

.header.scrolled .navbar {
    padding: 1rem 2rem;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color); /* Usa variável */
    text-decoration: none;
}

.nav-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2.5rem;
}

.nav-link {
    font-size: 1.1rem;
    color: var(--link-color); /* Usa variável */
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--link-hover-color); /* Usa variável */
}

/* Efeito de sublinhado animado */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--link-hover-color); /* Usa variável */
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* --- MENU HAMBURGER (MOBILE) --- */
.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color); /* Usa variável */
    transition: all 0.3s ease-in-out;
}

/* ========== ESTILOS DO DROPDOWN ========== */

.nav-item.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: ' ▾';
    font-size: 0.8em;
    display: inline-block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0.5rem 0 0;
    z-index: 1001;
    background-color: var(--dropdown-bg); /* Usa variável */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color); /* Usa variável */
    min-width: 200px;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-menu li a {
    color: var(--link-color); /* Usa variável */
    padding: 0.75rem 1.5rem;
    display: block;
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-menu li a:hover {
    background-color: var(--dropdown-item-hover-bg); /* Usa variável */
    color: var(--dropdown-item-hover-text); /* Usa variável */
}

/* --- Botão de Tema --- */
.theme-toggle-button {
    background: none;
    border: none;
    color: var(--link-color); /* Cor do ícone */
    font-size: 1.5rem; /* Tamanho do ícone */
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.theme-toggle-button:hover {
    color: var(--link-hover-color);
    transform: scale(1.1);
}

/* ========== ESTILOS DO BLOG (blog.css) ========== */

/* Garante que o fundo do blog também use as variáveis */
.paralax-blog {
    background-image: url(../img/stars.gif);
}

.blog-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 2rem;
    justify-content: center;
    background-color: var(--primary-bg); /* Usa variável */
}

.post-card {
    background-color: var(--secondary-bg); /* Usa variável */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px var(--shadow-color); /* Usa variável */
    width: 100%;
    max-width: 380px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px var(--shadow-color); /* Usa variável */
}

.post-image-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.post-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-image {
    transform: scale(1.05);
}

.post-content {
    padding: 1.5rem;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9em;
    color: var(--text-color); /* Usa variável */
}

.post-category {
    background-color: var(--accent-color); /* Usa variável */
    color: var(--primary-bg); /* Ajuste para ter contraste */
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-weight: bold;
}

.post-title {
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 0.8rem;
    color: var(--text-color); /* Usa variável */
}

.post-excerpt {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-color); /* Usa variável */
    margin-bottom: 1.2rem;
}

.post-link {
    display: inline-block;
    background-color: var(--accent-color); /* Usa variável */
    color: var(--primary-bg); /* Ajuste para ter contraste */
    padding: 0.75rem 1.2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.post-link:hover {
    background-color: var(--link-hover-color); /* Usa variável, pode ajustar para um tom mais escuro/claro */
    color: var(--primary-bg); /* Ajuste para ter contraste */
}


/* --- MEDIA QUERIES PARA RESPONSIVIDADE --- */

/* Para tablets e celulares (telas menores que 768px) */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    /* Animação do Hamburger para 'X' */
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        justify-content: center;
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: left 0.4s ease;

        background-color: var(--dropdown-bg); /* Usa variável */
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 2rem 0;
    }

    .nav-link {
        font-size: 1.8rem;
    }

    body.nav-open {
        overflow: hidden;
    }

    .paralax-1 {
        min-height: 100vh;
    }

    .module-text {
        max-width: 500px;
    }

    .linkedin img {
        width: 50px;
    }

    .blog-container {
        padding: 1rem;
    }
}