/* Reset & Variáveis */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Montserrat', sans-serif;
    }

    :root {
    --primary: #03294c;
    --accent: #004d89ed;
    --accent-hover: #56748a;
    --text-main: #1F2937;
    --text-muted: #4B5563;
    --bg-light: #F9FAFB;
    --white: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }


    html {
      scroll-behavior: smooth;
    }

    body {
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.6;
      overflow-x: hidden;
    }

    h1, h2, h3, .brand-font {
      font-family: 'Montserrat', sans-serif;
    }

    /* Header & Navegação */
    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 80px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow-sm);
      z-index: 1000;
      transition: all 0.3s ease;
    }

    .nav-container {
      max-width: 1280px;
      margin: 0 auto;
      height: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 2rem;
    }

    .logo {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--primary);
      text-decoration: none;
      letter-spacing: -0.5px;
      transition: transform 0.3s ease;
    }

    .logo:hover {
      transform: scale(1.03);
    }

    .logo span {
      color: var(--accent);
    }

    .nav-menu {
      display: flex;
      list-style: none;
      gap: 2.5rem;
      align-items: center;
    }

    .nav-link {
      text-decoration: none;
      color: var(--text-main);
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s ease;
      display: flex;
      align-items: center;
      gap: 0.3rem;
    }

    .nav-link:hover {
      color: var(--accent);
    }

    /* ESTILOS DO DROPDOWN (MENU SUSPENSO INSTITUCIONAL) */
    .dropdown {
      position: relative;
    }

    .dropdown-menu {
      position: absolute;
      top: 100%;
      left: 0;
      background-color: var(--white);
      min-width: 180px;
      box-shadow: var(--shadow-lg);
      border-radius: 8px;
      padding: 0.5rem 0;
      list-style: none;
      opacity: 0;
      visibility: hidden;
      transform: translateY(10px);
      transition: all 0.3s ease;
      border: 1px solid #E5E7EB;
      z-index: 1001;
    }

    .dropdown:hover .dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .dropdown-item {
      padding: 0.6rem 1.2rem;
      display: block;
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 500;
      transition: background 0.2s, color 0.2s;
    }

    .dropdown-item:hover {
      background-color: var(--bg-light);
      color: var(--accent);
    }

    .btn-nav {
      background-color: var(--primary);
      color: var(--white);
      padding: 0.6rem 1.4rem;
      border-radius: 6px;
      font-weight: 500;
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .btn-nav:hover {
      background-color: #1E3A8A;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
    }

    .menu-toggle {
      display: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--primary);
    }

    /* Estrutura de Seções */
    .section-padding {
      padding: 6rem 2rem 4rem;
      max-width: 1280px;
      margin: 0 auto;
    }

    .section-header {
      text-align: center;
      max-width: 650px;
      margin: 0 auto 3rem;
    }

    .section-header .tagline {
      color: var(--accent);
      font-weight: 700;
      text-transform: uppercase;
      font-size: 0.8rem;
      letter-spacing: 1.5px;
    }

    .section-header h2 {
      font-size: 2.4rem;
      color: var(--primary);
      margin: 0.5rem 0 1rem;
    }

    .section-header p {
      color: var(--text-muted);
      font-size: 1rem;
    }

    /* BOTÃO REGIÕES PERSONALIZADO */
    .btn-custom.btn-back {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.6rem;
      background: linear-gradient(135deg, var(--primary) 0%, #1e3a8a 100%);
      color: var(--white);
      padding: 0.75rem 1.8rem;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.88rem;
      letter-spacing: 0.5px;
      text-decoration: none;
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 4px 14px rgba(11, 25, 44, 0.22);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      margin-top: 1.2rem;
    }

    .btn-custom.btn-back i {
      color: var(--accent);
      font-size: 0.95rem;
      transition: transform 0.3s ease, color 0.3s ease;
    }

    .btn-custom.btn-back:hover {
      background: linear-gradient(135deg, #1e3a8a 0%, var(--primary) 100%);
      color: var(--white);
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(11, 25, 44, 0.35);
      border-color: var(--accent);
    }

    .btn-custom.btn-back:hover i {
      color: var(--white);
      transform: translateX(-4px);
    }

    .btn-custom.btn-back:active {
      transform: translateY(-1px);
      box-shadow: 0 4px 10px rgba(11, 25, 44, 0.2);
    }

    /* Estilização da Grade de Cards Lado a Lado */
    .municipios-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      justify-content: flex-start;
    }

    .municipio-card-item {
      flex: 0 0 calc(25% - 1.125rem); /* 4 cards por linha em telas grandes */
      max-width: calc(25% - 1.125rem);
      box-sizing: border-box;
    }

    .card-link {
      color: black;
      text-decoration: none;
      display: block;
      height: 100%;
    }

    .card {
      background: var(--white);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid #E5E7EB;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }

    .widget-user-header {
      height: 130px;
      overflow: hidden;
      position: relative;
      background-color: #f3f4f6;
    }

    .widget-user-header img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .card-footer {
      padding: 1rem;
      background-color: var(--white);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    /* Footer */
    footer {
      background-color: #0a2a56;
      color: #9CA3AF;
      padding: 4rem 2rem 2rem;
      border-top: 1px solid rgba(255,255,255,0.1);
      margin-top: 4rem;
    }

    .footer-container {
      max-width: 1280px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 3rem;
      margin-bottom: 3rem;
    }

    .footer-brand .logo {
      color: var(--white);
    }

    .footer-brand p {
      margin-top: 1rem;
      font-size: 0.9rem;
      max-width: 300px;
    }

    .footer-column h4 {
      color: var(--white);
      font-size: 0.95rem;
      margin-bottom: 1.25rem;
      font-weight: 600;
    }

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

    .footer-column ul li {
      margin-bottom: 0.75rem;
    }

    .footer-column a {
      color: #9CA3AF;
      text-decoration: none;
      font-size: 0.88rem;
      transition: color 0.2s;
    }

    .footer-column a:hover {
      color: var(--white);
    }

    .footer-bottom {
      max-width: 1280px;
      margin: 0 auto;
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
    }

    /* Responsividade dos Cards e do Menu */
    @media (max-width: 1024px) {
      .municipio-card-item {
        flex: 0 0 calc(33.333% - 1rem); /* 3 cards por linha em telas médias */
        max-width: calc(33.333% - 1rem);
      }
    }

    @media (max-width: 992px) {
      .footer-container {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .municipio-card-item {
        flex: 0 0 calc(50% - 0.75rem); /* 2 cards por linha em tablets */
        max-width: calc(50% - 0.75rem);
      }

      .menu-toggle {
        display: block;
      }

      .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        display: none;
        gap: 1.5rem;
      }

      .nav-menu.active {
        display: flex;
      }

      /* Estilo Responsivo do Dropdown para Mobile */
      .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        background-color: transparent;
      }

      .footer-container {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
      }
    }

    /* Estilo do botão de voltar conforme o layout fornecido */
.btn-back {
  background-color: var(--primary);
  color: var(--white);
  border: none;
}

.btn-back:hover {
  background-color: #1a2a3f;
  color: var(--white);
}

.btn-back i {
  color: #ef4444; /* Ícone vermelho como no layout enviado */
}

    @media (max-width: 480px) {
      .municipio-card-item {
        flex: 0 0 100%; /* 1 card por linha em celulares */
        max-width: 100%;
      }
    }