:root {
    --cor-primaria: #19AE47;
    --cor-destaque: #157f39;
    --cor-header: #5c8a64; /* verde musgo escuro */
    --cor-fundo: #f4f4f4;
    --cor-texto: #333333;
    --cor-branco: #ffffff;
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: Arial, sans-serif;
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
  }
  
  /* HEADER */
  header {
    background-color: var(--cor-header);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  }
  
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: auto;
    padding: 1rem 2rem;
    background-color: var(--cor-header);
  }
  
  .logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .logo-area img {
    max-width: 50px;
    height: auto;
  }
  
  .site-name {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--cor-branco);
  }
  
  /* MENU DESKTOP */
  .top-menu ul {
    list-style: none;
    display: flex;
    gap: 2rem;
  }
  
  .top-menu a {
    text-decoration: none;
    color: var(--cor-branco);
    font-weight: bold;
    position: relative;
    transition: color 0.3s ease;
  }
  
  .top-menu a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--cor-branco);
    transition: width 0.3s ease;
  }
  
  .top-menu a:hover::after {
    width: 100%;
  }
  
  /* HAMBURGUER */
  .menu-toggle {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--cor-branco);
  }
  
  /* MOBILE */
  @media (max-width: 768px) {
    .top-menu {
      display: none;
      position: absolute;
      top: 70px;
      right: 20px;
      background-color: var(--cor-header);
      border: 1px solid #ddd;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      padding: 1rem;
      z-index: 1000;
    }
  
    .top-menu.active {
      display: block;
    }
  
    .top-menu ul {
      flex-direction: column;
      gap: 1rem;
    }
  
    .menu-toggle {
      display: block;
    }
  }
  
  /* BANNER */
  .banner {
    background: url('/images/banner-natureza.jpg') no-repeat center center/cover;
    padding: 4rem 2rem;
    color: white;
    text-align: center;
  }
  
  .banner h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  }
  
  .banner p {
    font-size: 1.2rem;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
  }
  
  /* CONTEÚDO PRINCIPAL */
  .info-section {
    padding: 3rem 2rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
  }
  
  .info-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--cor-primaria);
  }
  
  button {
    background-color: var(--cor-primaria);
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 1rem;
  }
  
  button:hover {
    background-color: var(--cor-destaque);
  }
  
  footer {
    background-color: var(--cor-header);
    color: var(--cor-branco);
    padding: 2rem;
    font-size: 0.95rem;
  }
  
  .footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: auto;
    gap: 2rem;
  }
  
  .footer-left p {
    margin-top: 0.5rem;
    font-style: italic;
  }
  
  .footer-right ul {
    list-style: none;
    padding: 0;
  }
  
  .footer-right li {
    margin-bottom: 0.5rem;
  }
  
  .footer-right a {
    color: var(--cor-branco);
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .footer-right a:hover {
    color: var(--cor-primaria);
  }
  
  .footer-bottom {
    text-align: center;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    font-size: 0.85rem;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .footer-logo img {
    max-width: 50px;
    height: auto;
  }
  
  .footer-text strong {
    font-size: 1.2rem;
    display: block;
    color: var(--cor-branco);
  }
  
  .footer-text p {
    margin-top: 0.3rem;
    font-style: italic;
    font-size: 0.9rem;
    color: var(--cor-branco);
  }

  .prefeituras-aderidas {
    padding: 3rem 2rem;
    text-align: center;
    background-color: #f9f9f9;
  }
  
  .prefeituras-aderidas h2 {
    color: var(--cor-primaria);
    margin-bottom: 2rem;
  }
  
  .prefeituras-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
  }
  
  .prefeitura {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    background-color: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    width: 140px;
    transition: transform 0.2s ease;
  }
  
  .prefeitura img {
    width: 80px;
    height: auto;
    margin-bottom: 0.5rem;
  }
  
  .prefeitura span {
    color: #333;
    font-weight: bold;
    font-size: 0.95rem;
    text-align: center;
  }
  
  .prefeitura:hover {
    transform: translateY(-5px);
  }

  section {
    padding: 4rem 2rem;
  }
  
  .section-light {
    background-color: #ffffff;
  }
  
  .section-muted {
    background-color: #e3f1e9;
  }
  
  .section-greenish {
    background-color: #d1ecdd;
  }
  
  section h2 {
    font-size: 2rem;
    color: var(--cor-primaria);
    margin-bottom: 1rem;
    position: relative;
  }
  
  section h2::after {
    content: '';
    width: 60px;
    height: 3px;
    background-color: var(--cor-primaria);
    display: block;
    margin: 0.5rem auto 0;
    border-radius: 2px;
  }
  
  .tpa-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 2rem;
    max-width: 1200px;
    margin: auto;
    flex-wrap: wrap;
  }
  
  .tpa-imagem {
    flex: 1 1 50%;
    max-width: 500px;
  }
  
  .tpa-imagem img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  }
  
  .tpa-texto {
    flex: 1 1 50%;
    min-width: 280px;
  }
  
  .tpa-texto h2 {
    text-align: left;
  }
  
  .tpa-texto p {
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1rem;
  }
  
  @media (max-width: 768px) {
    .tpa-container {
      flex-direction: column;
      text-align: left;
    }
  
    .tpa-imagem,
    .tpa-texto {
      max-width: 100%;
    }
  
    .tpa-texto h2 {
      text-align: center;
    }
  }
  
  .footer-install {
    text-align: center;
    margin-top: 1.5rem;
  }
  
  .btn-install {
    background-color: var(--cor-primaria);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  .btn-install:hover {
    background-color: var(--cor-destaque);
  }