/* Configurações Globais */
:root {
    --primary-color: #3498db; /* Azul principal da Engenharia */
    --secondary-color: #2c3e50; /* Cinza escuro para texto */
    --background-light: #f4f7f6; /* Fundo suave */
    --text-light: #ecf0f1; /* Texto para fundo escuro */
}

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



.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* -------------------- CABEÇALHO (HERO) -------------------- */
.hero {
   
    color: #666;
    padding: 80px 0;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.hero h1 {
    font-size: 2.8em;
    margin-bottom: 15px;
    color: var(--primary-color); /* Destaque no título */
}

.hero p {
    font-size: 1.1em;
    max-width: 800px;
    margin: 0 auto;
}

/* -------------------- GRADE DE SERVIÇOS -------------------- */
.services-grid {
    padding: 60px 0;
}

.services-grid .container {
    display: grid;
    /* Define 2 colunas no desktop, ou adapta para 1 coluna se for menor */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px); /* Efeito de elevação ao passar o mouse */
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.service-card i {
    font-size: 3.5em;
    color: var(--primary-color);
    margin-bottom: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    padding: 15px;
    background-color: var(--background-light);
}

.service-card h2 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.service-card p {
    font-size: 1em;
    color: #666;
}

/* -------------------- Responsividade (Mobile) -------------------- */
@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2em;
    }

    .services-grid .container {
        /* Garante que em telas pequenas a grade se torne uma coluna única */
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 25px;
    }

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

    body {
      font-family: Arial, sans-serif;
      padding-top: 60px; /* Espaço para o menu fixo */
      background-color: #f4f4f4;
    }

    /* MENU PRINCIPAL */
    .menu-principal {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background-color: #111;
      color: white;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      z-index: 1000;
    }

    .logo {
      font-size: 1rem;
      font-weight: bold;
      color: white;
      text-decoration: none;
    }

    .menu-toggle {
      display: none;
    }

    .menu-icon {
      display: none;
      font-size: 1.6rem;
      cursor: pointer;
      color: white;
    }

    .menu-links {
      display: flex;
      gap: 20px;
    }

    .menu-links a {
      color: white;
      text-decoration: none;
      font-size: 1rem;
      padding: 8px 10px;
      border-radius: 4px;
      transition: background 0.3s;
    }

    .menu-links a:hover {
      background-color: #333;
    }

    /* RESPONSIVO */
    @media (max-width: 768px) {
      .menu-icon {
        display: block;
      }

      .menu-links {
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: #111;
        flex-direction: column;
        display: none;
      }

      .menu-links a {
        padding: 15px;
        border-top: 1px solid #222;
      }

      #menu-toggle:checked + .menu-icon + .menu-links {
        display: flex;
      }
    }