/* --- Configurações Globais e Variáveis --- */
:root {
  --primary-color: #007bff; /* Azul primário */
  --dark-color: #333;
  --light-color: #f4f4f4;
  --text-color: #555;
  --container-padding: 5%;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.6;
  background-color: #fff;
  color: var(--text-color);
}

/* --- Componentes Reutilizáveis --- */
h1,
h2,
h3 {
  color: var(--dark-color);
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: var(--primary-color);
}

/* --- Cabeçalho (Navbar) --- */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--container-padding);
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--dark-color);
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 20px;
}

.nav-links a {
  color: var(--text-color);
  font-weight: 500;
}

.login-btn {
  background-color: var(--primary-color);
  color: #fff;
  padding: 8px 16px;
  border-radius: 5px;
}

/* --- Seção Hero --- */
.hero {
  background-color: var(--light-color);
  text-align: center;
  padding: 80px var(--container-padding);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  background-color: var(--primary-color);
  color: #fff;
  padding: 15px 30px;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.cta-button:hover {
  background-color: #0056b3;
}

/* --- Blocos de Aprendizado --- */
.learning-blocks {
  padding: 60px var(--container-padding);
  text-align: center;
}

.learning-blocks h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

.blocks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
}

.block {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.block:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.block i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.block h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.block p {
  font-size: 1rem;
}

/* --- Rodapé --- */
footer {
  text-align: center;
  padding: 20px;
  background-color: var(--dark-color);
  color: #fff;
}

/* --- Estilos para a Página de Aulas (aulas.html) --- */
.page-title {
  background-color: var(--light-color);
  text-align: center;
  padding: 40px var(--container-padding);
}
.page-title h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}
.page-title p {
  font-size: 1.1rem;
  color: var(--text-color);
}

/* Menu de Níveis */
.level-menu {
  background-color: var(--dark-color);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100; /* Camada 100 */
}
.level-menu-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 0 var(--container-padding);
}
.level-menu-containerx {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 0 var(--container-padding);
}
.level-menu a {
  color: #fff;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}
.level-menu a:hover,
.level-menu a:focus {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Container das Lições */
.lessons-container {
  padding: 40px var(--container-padding);
  max-width: 900px;
  margin: 0 auto;
}
.level-section {
  margin-bottom: 50px;
}
.level-section h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-color);
  display: inline-block;
}
.level-section h2 i {
  margin-right: 10px;
  color: var(--primary-color);
}
.lesson-list {
  list-style: none;
  padding: 0;
}
.lesson-list li {
  margin-bottom: 15px;
}
.lesson-list a {
  display: block;
  background-color: #f9f9f9;
  padding: 15px;
  border-radius: 5px;
  font-size: 1.1rem;
  color: var(--dark-color);
  border-left: 5px solid transparent;
  transition: all 0.3s ease;
}
.lesson-list a:hover {
  color: var(--primary-color);
  border-left: 5px solid var(--primary-color);
  transform: translateX(5px);
  background-color: #f0f8ff;
}
/* --- Estilos para a Página Padrão de Aula (template-aula.html) --- */
.lesson-container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 var(--container-padding);
}

.lesson-header {
  background-color: var(--light-color);
  padding: 25px;
  border-radius: 8px;
  margin-bottom: 30px;
}

.lesson-header h1 {
  font-size: 2.2rem;
  color: var(--dark-color);
  margin-bottom: 10px;
}
.lesson-header h1 i {
  color: var(--primary-color);
  margin-right: 15px;
}

.lesson-header p {
  font-size: 1.1rem;
  color: var(--text-color);
  font-weight: 500;
}

.tabs-nav {
  display: flex;
  border-bottom: 1px solid #ddd;
  margin-bottom: 25px;
}

.tab-link {
  padding: 15px 25px;
  cursor: pointer;
  background-color: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-link:hover {
  color: var(--primary-color);
}

.tab-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

.tab-content h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.video-placeholder {
  background-color: #f0f0f0;
  border: 2px dashed #ccc;
  height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #999;
  border-radius: 8px;
  margin-top: 20px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Estilos para a Página de Nível (SPA) --- */
.course-page-container {
  display: flex;
  max-width: 1200px;
  margin: 20px auto;
  gap: 20px;
  padding: 0 var(--container-padding);
}

.lessons-menu {
  width: 25%;
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 20px;
  height: fit-content;
  position: sticky;
  top: 90px;
}

.lessons-menu h3 {
  margin-top: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid #ddd;
}

.lessons-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lessons-menu a {
  display: block;
  padding: 10px;
  color: var(--dark-color);
  border-radius: 5px;
  text-decoration: none;
  margin-bottom: 5px;
  transition: background-color 0.3s ease;
}

.lessons-menu a:hover {
  background-color: #e9e9e9;
}

.lessons-menu a.active {
  background-color: var(--primary-color);
  color: #fff;
  font-weight: bold;
}

.lesson-content-area {
  width: 75%;
}

.lesson-content {
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* ================================================= */
/* ### ESTILOS PARA O MENU RESPONSIVO (MOBILE) ### */
/* ================================================= */

.mobile-menu-icon {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--dark-color);
  cursor: pointer;
}

/* --- Media Queries --- */

/* Para Desktops (mantém o layout padrão) */
@media (min-width: 1024px) {
  .blocks-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Para Tablets */
@media (min-width: 769px) and (max-width: 1023px) {
  .blocks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Para Telas Pequenas (Celulares) */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .blocks-grid {
    grid-template-columns: 1fr;
  }

  .course-page-container {
    flex-direction: column;
  }

  .lessons-menu,
  .lesson-content-area {
    width: 100%;
  }

  .lessons-menu {
    position: static;
    margin-bottom: 20px;
  }

  .mobile-menu-icon {
    display: block;
  }

  .nav-links {
    position: fixed;
    z-index: 1000; /* <-- CORREÇÃO APLICADA AQUI */
    top: 0;
    right: -100%;
    height: 100vh;
    width: 70%;
    max-width: 300px;
    background-color: #fff;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 60px 20px 20px 20px;
    transition: right 0.4s ease-in-out;
  }

  .nav-links li {
    margin: 15px 0;
    width: 100%;
  }
  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-links .login-btn {
    text-align: center;
    width: 100%;
  }

  .nav-links.active {
    right: 0;
  }
}

/* =================================================================== */
/* ### ESTILOS PARA O CONTEÚDO DA AULA INDIVIDUAL ### */
/* (Usado nos arquivos dentro da pasta /a1/, /a2/, etc.) */
/* =================================================================== */

/* --- Container Principal da Lição --- */
.lesson-container {
  max-width: 900px;
  margin: 0 auto; /* Centraliza o container na página de nível */
  padding: 20px;
}

/* --- Cabeçalho da Lição --- */
.lesson-header {
  background-color: var(--light-color);
  padding: 25px 30px;
  border-radius: 8px;
  margin-bottom: 30px;
  border-left: 5px solid var(--primary-color);
}

.lesson-header h1 {
  font-size: 2.2rem;
  color: var(--dark-color);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.lesson-header p {
  font-size: 1rem;
  color: var(--text-color);
  font-weight: 500;
}

/* --- Abas de Navegação --- */
.tabs-nav {
  display: flex;
  border-bottom: 2px solid #eee;
  margin-bottom: 25px;
}

.tab-link {
  padding: 12px 20px;
  cursor: pointer;
  background-color: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  transition: all 0.2s ease-in-out;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: -2px; /* Alinha com a borda inferior */
}

.tab-link:hover {
  color: var(--primary-color);
}

.tab-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

/* --- Conteúdo das Abas (COM A CORREÇÃO) --- */
.tab-content {
  display: none; /* CORREÇÃO: Esconde todas as abas por padrão */
  padding: 10px;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block; /* CORREÇÃO: Mostra apenas a aba que tem a classe 'active' */
}

/* Estilos para o texto dentro das abas */
.tab-content h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}

.tab-content p,
.tab-content ul {
  margin-bottom: 15px;
  font-size: 1.1rem;
  line-height: 1.7;
}

.tab-content ul {
  padding-left: 20px;
}

/* Estilo do Placeholder de Vídeo */
.video-placeholder {
  background-color: #f0f0f0;
  border: 2px dashed #ccc;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #999;
  border-radius: 8px;
  margin-top: 20px;
}

/* Animação para a troca de abas */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================= */
/* ### ESTILOS PARA A PÁGINA DE AULA PADRÃO (NOVO MODELO) ### */
/* ============================================================= */

.lesson-main {
  background-color: #f9f9f9;
  padding: 20px 0;
}

.lesson-container {
  max-width: 900px;
  margin: 0 auto;
  background-color: #fff;
  padding: 20px var(--container-padding);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
}

.lesson-header {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.lesson-header h1 {
  font-size: clamp(1.8rem, 5vw, 2.4rem); /* Tamanho de fonte responsivo */
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 5px;
}

.lesson-header p {
  font-size: 1rem;
  color: var(--text-color);
  font-weight: 500;
}

/* --- Estilos do Menu Suspenso (Dropdown) --- */
.lesson-nav-dropdown {
  position: relative;
  width: 100%;
  margin-bottom: 30px;
}

.dropdown-btn {
  width: 100%;
  background-color: var(--light-color);
  border: 1px solid #ddd;
  padding: 15px 20px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
}

.dropdown-btn:hover {
  background-color: #e9e9e9;
}

.dropdown-btn .fa-chevron-down {
  transition: transform 0.3s ease;
}

.dropdown-btn.open .fa-chevron-down {
  transform: rotate(180deg);
}

.dropdown-content {
  display: none; /* Começa escondido */
  position: absolute;
  width: 100%;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  z-index: 10;
  margin-top: 5px;
  max-height: 250px;
  overflow-y: auto;
}

.dropdown-content.show {
  display: block; /* Mostra o menu */
}

.dropdown-content a {
  color: var(--dark-color);
  padding: 12px 20px;
  text-decoration: none;
  display: block;
  transition: background-color 0.2s;
}

.dropdown-content a:hover {
  background-color: var(--light-color);
}

.dropdown-content a.active {
  background-color: var(--primary-color);
  color: #fff;
  font-weight: bold;
}

/* --- Estilos do Sistema de Abas --- */
.tabs-container {
  margin-top: 30px;
}

.tab-nav {
  display: flex;
  border-bottom: 2px solid #eee;
  margin-bottom: 25px;
}

.tab-link {
  padding: 12px 20px;
  cursor: pointer;
  background-color: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  transition: all 0.2s ease-in-out;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: -2px;
}
.tab-link:hover {
  color: var(--primary-color);
}
.tab-link.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  display: none;
  padding: 10px;
  animation: fadeIn 0.5s ease;
}
.tab-content.active {
  display: block;
}
.tab-content h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
}
.tab-content p,
.tab-content ul {
  margin-bottom: 15px;
  font-size: 1.1rem;
  line-height: 1.7;
}
.tab-content ul {
  padding-left: 20px;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  border-radius: 8px;
}
.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================= */
/* ### ESTILOS PARA A PÁGINA DE AULAS (FORMATO ACORDEÃO) ### */
/* ============================================================= */
.lesson-main {
  background-color: #f9f9f9;
  padding: 20px 0;
}

.page-header {
  max-width: 900px;
  margin: 0 auto 30px auto;
  text-align: center;
  padding: 0 var(--container-padding);
}
.page-header h1 {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.accordion-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.accordion-item {
  background-color: #fff;
  margin-bottom: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  overflow: hidden; /* Importante para o efeito de transição */
}

.accordion-header {
  width: 100%;
  background-color: #fff;
  border: none;
  padding: 20px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
}
.accordion-header:hover {
  background-color: var(--light-color);
}

.accordion-header .fa-chevron-down {
  transition: transform 0.3s ease;
}

.accordion-header.active .fa-chevron-down {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0; /* Começa totalmente fechado */
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 20px; /* Padding vertical é 0 quando fechado */
}

.accordion-content.active {
  /* A altura máxima será definida pelo JavaScript, mas podemos dar um valor alto */
  max-height: 5000px; /* Altura suficiente para qualquer conteúdo */
  padding: 20px;
  border-top: 1px solid #eee;
}

/* O conteúdo carregado dentro do acordeão usará os estilos de .lesson-container que já temos */
.accordion-content .lesson-container {
  box-shadow: none;
  padding: 0;
  max-width: 100%;
}

/* =================================================================== */
/* ### ESTILOS PARA O NOVO MODELO DE AULA (VERSÃO ATUALIZADA) ### */
/* =================================================================== */

.lesson-template-container {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
}

.lesson-intro {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap; /* Para telas pequenas */
}

.lesson-intro img {
  width: 250px;
  height: 250px;
  border-radius: 8px;
  object-fit: cover;
}

.lesson-intro h1 {
  font-size: 1.8rem;
  color: var(--dark-color);
  margin-top: 0;
  margin-bottom: 5px;
}

.lesson-intro p {
  font-size: 1rem;
  margin: 0;
}

.lesson-objectives {
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 30px;
  border-left: 4px solid var(--primary-color);
}

.lesson-objectives h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--dark-color);
  font-size: 1.2rem;
}

.lesson-objectives ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.lesson-objectives li {
  margin-bottom: 5px;
  display: flex;
  align-items: center;
}

.lesson-objectives .fa-check-circle {
  color: #27ae60;
  margin-right: 10px;
}

.lesson-section h4 {
  font-size: 1.5rem;
  color: var(--dark-color);
  margin-top: 30px;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 10px;
}
.lesson-section:first-child h4 {
  margin-top: 0;
}

.dialogue {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
}
.dialogue p {
  margin-bottom: 10px;
}

.vocab-list {
  list-style: none;
  padding: 0;
}
.vocab-list li {
  display: flex;
  justify-content: space-between;
  padding: 10px;
  border-bottom: 1px solid #f0f0f0;
}
.vocab-list li:last-child {
  border-bottom: none;
}

.grammar-section p {
  margin-bottom: 15px;
}
.grammar-section code {
  background-color: #e9ecef;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
}

/* Estilo para a nova seção "Saiba Mais" */
.saiba-mais-section {
  background-color: #eef7ff;
  border: 1px solid #bde0ff;
  padding: 20px;
  border-radius: 8px;
  margin-top: 30px;
}
.saiba-mais-section h4 {
  margin-top: 0;
  border-bottom: none;
  color: #0056b3;
}
.saiba-mais-section p {
  margin-bottom: 10px;
}

/* ============================================================= */
/* ### ESTILOS PARA AS PÁGINAS DE VOCABULÁRIO (TEMA ÚNICO) ### */
/* ============================================================= */

.vocab-page-main {
  background-color: #f9f9f9;
  padding: 20px 0;
  min-height: 60vh;
}

.vocab-page-container {
  max-width: 900px;
  margin: 0 auto;
  background-color: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
}

.vocab-page-container .page-header {
  margin-bottom: 20px;
  text-align: left;
}

.vocab-list-detailed {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.vocab-list-detailed li {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr; /* Inglês | IPA | Português */
  gap: 10px;
  align-items: center;
  padding: 15px 10px;
  border-bottom: 1px solid #f0f0f0;
}

.vocab-list-detailed li:last-child {
  border-bottom: none;
}

.vocab-en {
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--primary-color);
}

.vocab-ipa {
  font-family: "Courier New", Courier, monospace;
  color: var(--text-color);
}

.vocab-pt {
  color: #34495e;
  text-align: right;
  font-weight: 500;
}

@media (max-width: 600px) {
  .vocab-list-detailed li {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "en pt"
      "ipa ipa";
  }
  .vocab-en {
    grid-area: en;
  }
  .vocab-pt {
    grid-area: pt;
  }
  .vocab-ipa {
    grid-area: ipa;
    color: #888;
    font-size: 0.9rem;
  }
}

/* --- Estilos Avançados para o Rodapé --- */

/* Container principal do rodapé */
footer {
    background-color: var(--dark-color);
    color: #ccc; /* Cor padrão para textos mais claros */
    padding: 40px var(--container-padding);
    margin-top: 40px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap; /* Permite que os itens quebrem linha em telas menores */
    justify-content: space-between;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #444; /* Linha divisória */
}

/* Colunas de links */
.footer-links {
    display: flex;
    flex-grow: 3; /* Faz as colunas ocuparem mais espaço */
    gap: 30px;
    flex-wrap: wrap;
}

.footer-column {
    min-width: 150px; /* Largura mínima para cada coluna */
}

.footer-column h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.2s ease;
}

.footer-column ul a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Ícones de redes sociais */
.footer-social {
    min-width: 200px;
}
.footer-social h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: #fff;
    font-size: 1.5rem; /* Tamanho dos ícones */
    transition: color 0.2s ease;
}

.social-icons a:hover {
    color: var(--primary-color); /* Cor de destaque ao passar o mouse */
}

/* Seção de copyright na base */
.footer-bottom {
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #aaa;
}

.footer-bottom a {
    color: #fff;
    text-decoration: none;
}
.footer-bottom a:hover {
    text-decoration: underline;
}

/* ================================================= */
/* ### ESTILOS PARA O MENU DROPDOWN (CABEÇALHO) ### */
/* ================================================= */

/* --- Estilos Base para o Novo Menu (Desktop) --- */
.nav-links li {
    position: relative; /* Essencial para o posicionamento do dropdown */
}

.nav-links .dropdown a {
    display: flex;
    align-items: center;
    gap: 8px; /* Espaço entre o texto e a seta */
}

/* --- Estilos do Dropdown (Desktop) --- */
.dropdown-menu {
    display: none; /* Escondido por padrão */
    position: absolute;
    top: 100%; /* Posiciona logo abaixo do item pai */
    left: 0;
    background-color: #fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 10px 0;
    list-style: none;
    min-width: 220px; /* Largura mínima do dropdown */
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

/* Efeito de hover para mostrar o dropdown no desktop */
.nav-links li.dropdown:hover > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu li a {
    padding: 12px 20px;
    display: block; /* Faz o link ocupar todo o espaço do 'li' */
    width: 100%;
    color: var(--dark-color);
    font-weight: 500;
    white-space: nowrap; /* Evita que o texto quebre linha */
}

.dropdown-menu li a:hover {
    background-color: var(--light-color);
}

/* Ícone de Seta (Chevron) */
.fa-chevron-down {
    font-size: 0.7em;
    transition: transform 0.3s ease;
}

/* --- Adaptações para o Menu Responsivo (Tablet/Celular) --- */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static; /* Remove o posicionamento absoluto no mobile */
        box-shadow: none;
        border-radius: 0;
        padding: 10px 0 10px 15px; /* Adiciona um recuo */
        min-width: 100%;
        background-color: #f9f9f9;
        
        /* Transição de 'abrir/fechar' com max-height */
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: max-height 0.4s ease-in-out;
    }

    /* Oculta o dropdown no mobile por padrão */
    .nav-links li.dropdown > .dropdown-menu {
        display: block;
    }
    
    /* Mostra o dropdown quando o item pai tem a classe 'open' */
    .nav-links li.dropdown.open > .dropdown-menu {
        max-height: 500px; /* Altura suficiente para mostrar todos os links */
    }

    .nav-links li.dropdown.open > a .fa-chevron-down {
        transform: rotate(180deg); /* Gira a seta para indicar que está aberto */
    }

    /* Remove o efeito de hover do desktop */
    .nav-links li.dropdown:hover > .dropdown-menu {
        transform: none;
    }
}

/* --- Estilos para os Botões de Compartilhamento AddToAny --- */
.a2a_kit {
  margin-bottom: 25px; /* Adiciona um espaço abaixo dos botões */
  padding-bottom: 20px; /* Adiciona um respiro interno */
  border-bottom: 1px solid #eee; /* Cria uma linha de separação */
  display: flex;
  justify-content: center; /* Centraliza os botões */
  gap: 5px; /* Adiciona um pequeno espaço entre os botões */
}

/* Centraliza o widget botao compartilhamento da Elfsight no rodapé */
.elfsight-app-f975133b-96cb-4b24-a65a-335ad24a2741 {
    margin-top: 15px; /* Adiciona um espaço acima dos botões */
    display: flex;
    justify-content: center;
}