/* ============================ */
/* 1. Variáveis Globais e Temas */
/* ============================ */
:root {
  /* Cores Base (Exemplo) */
  --color-primary: #007bff; /* Azul */
  --color-secondary: #6c757d; /* Cinza */
  --color-success: #28a745; /* Verde */
  --color-danger: #dc3545; /* Vermelho */
  --color-warning: #ffc107; /* Amarelo */
  --color-info: #17a2b8; /* Ciano */
  --color-light: #f8f9fa;
  --color-dark: #343a40;
  --color-white: #ffffff;
  --color-black: #000000;

  /* Fontes */
  --font-family-base: 'Roboto', sans-serif; /* Usando a fonte importada */
  --font-family-heading: var(--font-family-base); /* Pode ser diferente */
  --font-size-base: 1rem; /* 16px por padrão */
  --line-height-base: 1.6;

  /* Layout */
  --container-max-width: 1140px;
  --spacing-unit: 1rem; /* Unidade base para paddings/margins */
}

/* --- Tema Claro (Padrão) --- */
.theme-light {
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-light);
  --text-primary: var(--color-dark);
  --text-secondary: var(--color-secondary);
  --text-on-primary-bg: var(--color-white); /* Texto sobre fundo primário */
  --text-link: var(--color-primary);
  --border-color: #dee2e6;
  --header-bg: var(--color-dark);
  --header-text: var(--color-light);
  --header-logo: var(--color-danger); /* Vermelho original do logo */
  --top-bar-bg: #74063d; /* Rose original */
  --top-bar-text: var(--color-light);
  --footer-bg: var(--top-bar-bg);
  --footer-text: #cccccc; /* Cinza claro original */
  --button-primary-bg: var(--color-primary);
  --button-primary-text: var(--color-white);
  --button-secondary-bg: transparent;
  --button-secondary-text: var(--top-bar-text);
  --button-secondary-border: var(--top-bar-text);
  --map-toggle-bg: #27033b; /* Purple original */
  --map-toggle-text: #7d99eb; /* Azul original */
  --theme-switcher-icon-light: block;
  --theme-switcher-icon-dark: none;
  --body-bg-image: url('imagem/BG-white.jpg');
}

/* --- Tema Escuro --- */
.theme-dark {
  --bg-primary: var(--color-dark);
  --bg-secondary: #212529; /* Um cinza um pouco mais claro que o dark */
  --text-primary: var(--color-light);
  --text-secondary: #adb5bd; /* Cinza claro */
  --text-on-primary-bg: var(--color-white);
  --text-link: #64a1ff; /* Azul mais claro para contraste */
  --border-color: #495057;
  --header-bg: var(--color-light);
  --header-text: var(--color-dark);
  --header-logo: var(--color-danger); /* Vermelho original do logo */
  --top-bar-bg: #7d99eb; /* Azul original */
  --top-bar-text: var(--color-dark);
  --footer-bg: var(--top-bar-bg);
  --footer-text: var(--color-dark); /* Preto original */
  --button-primary-bg: var(--text-link);
  --button-primary-text: var(--color-dark);
  --button-secondary-bg: transparent;
  --button-secondary-text: var(--top-bar-text);
  --button-secondary-border: var(--top-bar-text);
  --map-toggle-bg: var(--top-bar-bg); /* Azul */
  --map-toggle-text: #74063d; /* Rose original */
  --theme-switcher-icon-light: none;
  --theme-switcher-icon-dark: block;
  --body-bg-image: url('imagem/bg-black.jpg');
}

/* ============================ */
/* 2. Reset Básico e Base       */
/* ============================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: var(--body-bg-image);
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* Para o fundo não rolar */
  display: flex;
  flex-direction: column;
  min-height: 100vh; /* Garante que o footer fique no fim */
}

img {
  max-width: 100%;
  height: auto;
  display: block; /* Remove espaço extra abaixo da imagem */
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: opacity 0.2s ease-in-out;
}

a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  margin-bottom: calc(var(--spacing-unit) * 0.75);
  line-height: 1.2;
  color: var(--text-primary); /* Garante herança correta nos temas */
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.5rem; }

p {
  margin-bottom: var(--spacing-unit);
}

ul, ol {
  margin-bottom: var(--spacing-unit);
  padding-left: calc(var(--spacing-unit) * 1.5); /* Espaço padrão para bullets */
}

li {
  margin-bottom: calc(var(--spacing-unit) / 2);
}

strong {
  font-weight: bold;
}

/* ============================ */
/* 3. Layout & Container        */
/* ============================ */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-unit);
  padding-right: var(--spacing-unit);
}

.container--flex { display: flex; }
.container--between { justify-content: space-between; }
.container--end { justify-content: flex-end; }
.container--align-center { align-items: center; }

.site-main {
  flex-grow: 1; /* Faz o main ocupar o espaço disponível */
  padding-top: calc(var(--spacing-unit) * 2);
  padding-bottom: calc(var(--spacing-unit) * 2);
}

.text-center { text-align: center; }

/* ============================ */
/* 4. Componentes               */
/* ============================ */

/* --- Botões --- */
.button {
  display: inline-block;
  padding: 0.6em 1.2em;
  font-size: 0.9rem;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  background: none; /* Reset */
}

.button--primary {
  background-color: var(--button-primary-bg);
  color: var(--button-primary-text);
  border-color: var(--button-primary-bg);
}
.button--primary:hover {
  opacity: 0.9;
  text-decoration: none;
}

.button--secondary {
  background-color: var(--button-secondary-bg);
  color: var(--button-secondary-text);
  border-color: var(--button-secondary-border);
}
.button--secondary:hover {
  background-color: rgba(255, 255, 255, 0.1); /* Leve destaque no hover */
  text-decoration: none;
}

.button--small {
  padding: 0.3em 0.8em;
  font-size: 0.8rem;
}

/* --- Cabeçalho --- */
.site-header {
  /* Sombra opcional */
   box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.site-header__top-bar {
  background-color: var(--top-bar-bg);
  color: var(--top-bar-text);
  padding: calc(var(--spacing-unit) / 2) 0;
  font-size: 0.85rem;
}
.site-header__top-bar .container--flex {
  gap: var(--spacing-unit); /* Espaço entre itens na top bar */
}

.site-header__main-nav {
  background-color: var(--header-bg);
  color: var(--header-text);
  padding: var(--spacing-unit) 0;
}

.site-header__logo a {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--header-logo);
  text-decoration: none;
}
.site-header__logo a:hover {
  text-decoration: none;
  opacity: 0.9;
}

/* --- Navegação Principal (Desktop) --- */
.main-nav__list {
  list-style: none;
  display: flex;
  gap: calc(var(--spacing-unit) * 1.5);
  padding-left: 0; /* Sobrescreve padding padrão de ul */
  margin-bottom: 0; /* Sobrescreve margin padrão de ul */
}

.main-nav__item {
  margin-bottom: 0; /* Sobrescreve margin padrão de li */
}

.main-nav__link {
  color: var(--header-text);
  text-decoration: none;
  padding-bottom: 5px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.main-nav__link:hover,
.main-nav__link.is-active { /* Adicionar classe .is-active na página atual via JS se desejar */
  border-bottom-color: var(--header-logo); /* Usa a cor do logo para destaque */
  opacity: 1;
}

/* --- Menu Mobile Toggle (Hambúrguer) --- */
.mobile-menu-toggle {
  display: none; /* Escondido em desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1100;
}

.mobile-menu-toggle__bar {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--header-text);
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  border-radius: 1px;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  background-color: var(--bg-secondary);
  padding: calc(var(--spacing-unit) * 0.75) 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumbs__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap; /* Quebra linha se necessário */
  gap: calc(var(--spacing-unit) / 2);
  padding-left: 0;
  margin-bottom: 0;
}

.breadcrumbs__item {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.breadcrumbs__item a {
  color: var(--text-link);
}
.breadcrumbs__item a:hover {
  text-decoration: underline;
}

.breadcrumbs__item:not(:last-child)::after {
  content: ">";
  margin-left: calc(var(--spacing-unit) / 2);
  color: var(--text-secondary);
}

.breadcrumbs__item[aria-current="page"] {
  font-weight: bold;
  color: var(--text-primary);
}

/* --- Seção Hero (Página Inicial) --- */
.hero-section {
  padding: calc(var(--spacing-unit) * 3) 0;
  /* background-color: var(--bg-secondary); Opcional: fundo diferente */
}
.hero-section__title {
  margin-bottom: var(--spacing-unit);
}
.hero-section__subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 700px; /* Limita largura do subtitulo */
  margin-left: auto;
  margin-right: auto;
}

/* --- Seções de Conteúdo (Texto + Imagem) --- */
.content-section {
  padding: calc(var(--spacing-unit) * 2) 0;
  /* border-bottom: 1px solid var(--border-color); Opcional: separador */
}

.content-section:last-of-type {
   border-bottom: none;
}

.content-section__container {
  display: flex;
  flex-direction: column; /* Mobile first: empilhado */
  gap: calc(var(--spacing-unit) * 2);
  align-items: center; /* Centraliza itens empilhados */
}

.content-section__image-wrapper {
  flex-shrink: 0; /* Não encolhe */
  width: 100%; /* Ocupa largura total no mobile */
  max-width: 450px; /* Limita tamanho da imagem */
}

.content-section__image {
  border-radius: 8px; /* Bordas arredondadas */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  object-fit: cover; /* Garante que a imagem cubra a área se tiver dimensões fixas */
}

.content-section__text-wrapper {
  flex-grow: 1; /* Ocupa espaço restante */
}

.content-section__title {
  margin-bottom: var(--spacing-unit);
}

.content-section__text-wrapper .button {
  margin-top: var(--spacing-unit);
}

/* --- Seção de Cidades (Página Cidades Inteligentes) --- */
.city-section {
   padding: calc(var(--spacing-unit) * 2) 0;
}
/* Usar .content-section__container dentro de .city-section para texto/imagem */

/* --- Widget do Mapa --- */
.map-widget {
  margin-top: calc(var(--spacing-unit) * 1.5);
  position: relative; /* Contexto para o botão */
  width: 100%;
  max-width: 900px; /* Largura máxima do mapa */
  margin-left: auto;
  margin-right: auto;
}

.map-widget__iframe-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* Proporção 16:9 (ajuste se necessário) */
  height: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-secondary); /* Fundo enquanto carrega */
}

.map-widget__iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.map-widget__iframe--street-view {
  display: none; /* Escondido por padrão */
}

/* Estado ativo via classe no container .map-widget */
.map-widget.is-street-view-active .map-widget__iframe--map-view {
  display: none;
}
.map-widget.is-street-view-active .map-widget__iframe--street-view {
  display: block;
}

.map-widget__toggle-button {
  display: block; /* Ocupa linha própria */
  margin: var(--spacing-unit) auto 0 auto; /* Centralizado abaixo do mapa */
  background-color: var(--map-toggle-bg);
  color: var(--map-toggle-text);
  border-color: var(--map-toggle-bg);
  min-width: 150px; /* Largura mínima */
}

/* --- Theme Switcher --- */
.theme-switcher {
  background: none;
  border: none;
  color: var(--button-secondary-text); /* Usa a cor do texto da top bar */
  cursor: pointer;
  font-size: 1.5rem; /* Tamanho do ícone */
  padding: 0 5px; /* Pequeno padding */
  line-height: 1; /* Evita altura extra */
}
.theme-switcher:hover {
  opacity: 0.8;
}

.theme-switcher__icon {
  display: none; /* Esconde ambos por padrão */
}
.theme-light .theme-switcher__icon--light { display: inline; }
.theme-dark .theme-switcher__icon--dark { display: inline; }


/* --- Rodapé --- */
.site-footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: calc(var(--spacing-unit) * 2) 0;
  margin-top: calc(var(--spacing-unit) * 3); /* Espaço antes do rodapé */
  font-size: 0.9rem;
}

.site-footer__nav {
  margin-bottom: var(--spacing-unit);
}

.site-footer__nav a {
  color: inherit; /* Herda a cor do footer */
  margin: 0 calc(var(--spacing-unit) / 2);
}
.site-footer__nav a:hover {
  color: var(--color-white); /* Destaca no hover */
  text-decoration: underline;
  opacity: 1;
}

.site-footer__copy {
  margin-bottom: 0;
  font-size: 0.8rem;
  opacity: 0.8;
}

/* ============================ */
/* 5. Responsividade (Mobile First) */
/* ============================ */

/* --- Telas Médias (Tablets e Desktops Pequenos) --- */
@media (min-width: 768px) {
  /* Layout das seções de conteúdo */
  .content-section__container {
      flex-direction: row; /* Lado a lado */
      align-items: flex-start; /* Alinha no topo */
      text-align: left; /* Alinha texto à esquerda */
  }
  .content-section__container--image-left .content-section__image-wrapper {
      order: 1; /* Imagem primeiro */
  }
  .content-section__container--image-left .content-section__text-wrapper {
      order: 2; /* Texto depois */
  }
  .content-section__container--image-right .content-section__image-wrapper {
      order: 2; /* Imagem depois */
  }
   .content-section__container--image-right .content-section__text-wrapper {
      order: 1; /* Texto primeiro */
      text-align: left; /* Garante alinhamento */
   }

   .content-section__image-wrapper {
       width: 40%; /* Ajusta largura da imagem */
       max-width: none; /* Remove limite anterior */
   }
   .content-section__text-wrapper {
       width: 55%; /* Ajusta largura do texto */
   }

  /* Esconder botão hambúrguer e mostrar menu desktop */
  .mobile-menu-toggle {
      display: none;
  }
  .main-nav {
      display: block; /* Garante visibilidade */
      position: static; /* Reseta posicionamento mobile */
      background: none;
      width: auto;
      padding: 0;
      border: none;
      box-shadow: none;
  }
  .main-nav__list {
      flex-direction: row; /* Garante layout horizontal */
      align-items: center;
      gap: calc(var(--spacing-unit) * 1.5);
      padding: 0;
      width: auto;
  }
  .main-nav__item {
       width: auto;
       text-align: left;
  }
  .main-nav__link {
      padding: 0; /* Remove padding vertical mobile */
      padding-bottom: 5px; /* Adiciona espaço para borda */
      border-bottom: 2px solid transparent; /* Reseta borda mobile */
      display: inline; /* Reseta display block mobile */
      width: auto;
  }
   .main-nav__link:hover {
       background: none; /* Remove fundo hover mobile */
       border-bottom-color: var(--header-logo); /* Reativa borda hover desktop */
   }

   /* Ajustes gerais */
   h1 { font-size: 2.5rem; }
   h2 { font-size: 2rem; }
   .hero-section { padding: calc(var(--spacing-unit) * 4) 0; }
}

/* --- Telas Pequenas (Mobile) - Ajustes finos e Menu Hambúrguer --- */
@media (max-width: 767px) {
  .mobile-menu-toggle {
      display: block; /* Mostra o botão */
  }

  .main-nav {
      display: none; /* Esconde o menu por padrão */
      position: absolute;
      top: 100%; /* Abaixo do .site-header__main-nav */
      left: 0;
      right: 0;
      width: 100%;
      background-color: var(--header-bg);
      padding: var(--spacing-unit) 0;
      z-index: 1000;
      border-top: 1px solid var(--border-color);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      /* Reset aria-hidden quando aberto via JS */
  }

  .main-nav__list {
      flex-direction: column;
      align-items: center;
      gap: 0;
      width: 100%;
  }

  .main-nav__item {
      width: 100%;
      text-align: center;
  }

  .main-nav__link {
      display: block;
      width: 100%;
      padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
      border-bottom: 1px solid rgba(128, 128, 128, 0.1);
      color: var(--header-text); /* Garante a cor correta */
  }
   .main-nav__item:last-child .main-nav__link {
      border-bottom: none;
  }
  .main-nav__link:hover {
      background-color: rgba(128, 128, 128, 0.1);
      border-bottom-color: rgba(128, 128, 128, 0.1); /* Mantém cor da borda */
      text-decoration: none;
  }

  /* --- Estilos quando o menu está ATIVO --- */
  body.mobile-menu-open .main-nav {
      display: block; /* Mostra o menu */
  }

  /* Animação do Botão Hambúrguer para 'X' */
  body.mobile-menu-open .mobile-menu-toggle__bar:nth-child(1) {
      transform: translateY(8px) rotate(45deg);
  }
  body.mobile-menu-open .mobile-menu-toggle__bar:nth-child(2) {
      opacity: 0;
  }
  body.mobile-menu-open .mobile-menu-toggle__bar:nth-child(3) {
      transform: translateY(-8px) rotate(-45deg);
  }

  /* Ajusta container do header para acomodar logo e botão */
   .site-header__main-nav .container--flex {
       position: relative; /* Permite posicionar menu drop-down */
   }
}