/* Reset Básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #ffffff;
  color: #333333;
  line-height: 1.6;
}

/* Header & Menu */
header {
  width: 100%;
  background-color: #ffffff;
  border-bottom: 1px solid #e0e0e0;
  padding: 15px 0;
}

.menu-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  padding: 0 15px;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

.nav-item .nav-link {
  display: inline-block;
  padding: 8px 24px;
  text-decoration: none;
  color: #333333;
  font-size: 14px;
  font-weight: 500;
  background-color: #ffffff;
  border: 1px solid #777777;
  border-radius: 50px;
  transition: all 0.25s ease-in-out;
}

/* Hover e Link Ativo */
.nav-item .nav-link:hover,
.nav-item .nav-link.active {
  background-color: #333333;
  color: #f26522; /* Laranja HD Topografia */
  border-color: #333333;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Estrutura de Conteúdo */
.container {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 20px;
  text-align: center;
}

.hero-title {
  font-size: 2.2rem;
  color: #222;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: #f26522;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 30px;
  text-transform: uppercase;
}

.content-box {
  background: #f9f9f9;
  border: 1px solid #eee;
  padding: 30px;
  border-radius: 12px;
  text-align: left;
  margin-top: 20px;
}

/* Grids e Elementos Específicos */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 25px;
}

.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.card h3 {
  color: #f26522;
  margin-bottom: 10px;
}

/* Formulário de Contato */
.form-group {
  margin-bottom: 15px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.btn-submit {
  background-color: #333;
  color: #f26522;
  padding: 12px 30px;
  border: none;
  border-radius: 50px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.btn-submit:hover {
  background-color: #f26522;
  color: #fff;
}