/* Ajuste para não esconder o conteúdo atrás do header */
body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f9f9f9;
  color: #333;
  margin: 0;
  /*padding: 0;*/
  padding-top: 70px; /* espaço para compensar a altura do header */
  line-height: 1.6;
}


.container {
  max-width: 900px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

h1 {
  color: #2c3e50;
  font-size: 26px;
  margin-bottom: 20px;
}

h2 {
  color: #34495e;
  font-size: 20px;
  margin-top: 25px;
  margin-bottom: 10px;
}

p {
  margin-bottom: 15px;
}

ul {
  margin: 10px 0 20px 20px;
}

li {
  margin-bottom: 8px;
}

.email {
  font-weight: bold;
  color: #2980b9;
}

.update {
  font-style: italic;
  color: #777;
  margin-top: 20px;
}

/* Header fixo no topo */
header {
  position: fixed;       /* fixa no topo */
  top: 0;                /* posição inicial */
  left: 0;
  width: 100%;           /* ocupa toda a largura */
  background-color: #1a1a1a;  /* fundo escuro */
  
  padding: 15px 0;       /* espaçamento interno */

  box-shadow: 0 2px 5px rgba(0,0,0,0.1); /* sombra leve */
  z-index: 1000;         /* garante que fique acima do conteúdo */
}

/* Lista de navegação centralizada */
header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;               /* ativa flexbox */
  justify-content: center;     /* centraliza horizontalmente */
  align-items: center;         /* centraliza verticalmente */
  gap: 20px;                   /* espaço entre os itens */
}

/* Links do menu */
header nav ul li a {
  text-decoration: none;
  color: #ffffff; /* texto branco para contraste*/
  font-weight: bold;
  font-size: 16px; /* aumenta um pouco o tamanho da fonte*/
  transition: color 0.3s ease, transform 0.2s ease;
}

/* Efeito ao passar o mouse */
header nav ul li a:hover {
  color: #ff4d4d;              /* vermelho vibrante */
  /*color: #FFD700; dourado vibrante ao passar o mouse */
  transform: scale(1.05);      /* leve aumento para destacar */
}




nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 20px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  background: linear-gradient(to right, #2c3e50, #3498db);
  color: #fff;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2em;
  margin-bottom: 30px;
}

.btn-primary, .btn-secondary {
  padding: 12px 20px;
  margin: 5px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
}

.btn-primary {
  background: #e74c3c;
  color: #fff;
}

.btn-secondary {
  background: #fff;
  color: #3498db;
}

.sobre {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  line-height: 1.6;
  font-family: Arial, sans-serif;
}

.sobre h1, .sobre h2 {
  text-align: center;
  color: #1a1a1a;
}

.sobre p {
  margin-bottom: 15px;
  color: #333;
}

.sobre ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

.sobre ul li {
  margin: 8px 0;
  font-size: 16px;
}

.imagem-sobre {
  display: block;
  margin: 20px auto;
  max-width: 100%;
  height: auto;
}

.imagem-app {
  display: block;
  margin: 20px auto;
  max-width: 40%;
  height: 60%;
}

.encerramento {
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  color: #007BFF;
}


.sobre-content {
  max-width: 800px;
  margin: 0 auto;
}

.icone-monitorar {
  width: 200px;
  border-radius: 50%;
  margin-bottom: 20px;
}

.faq {
  padding: 60px 20px;
  max-width: 800px;
  margin: 0 auto;
}

.faq h1 {
  text-align: center;
  margin-bottom: 40px;
  color: #3498db;
}

.faq-item {
  margin-bottom: 15px;
}

.faq-question {
  width: 100%;
  padding: 15px;
  background: #3498db;
  color: #fff;
  border: none;
  text-align: left;
  font-size: 1.1em;
  cursor: pointer;
  border-radius: 5px;
}

.faq-answer {
  display: none;
  padding: 15px;
  background: #f4f4f4;
  border-radius: 5px;
  margin-top: 5px;
}

.inclui {
  text-align: left;
  margin: 30px 0;
}

.inclui h2 {
  margin-bottom: 10px;
  color: #3498db;
}

.inclui ul {
  list-style: none;
  padding: 0;
}

.inclui li {
  background: #fff;
  border: 1px solid #ddd;
  margin: 8px 0;
  padding: 10px;
  border-radius: 5px;
}

.contato {
  padding: 60px 20px;
  text-align: center;
}

.contato-content {
  max-width: 800px;
  margin: 0 auto;
}

.contato h1 {
  font-size: 2em;
  margin-bottom: 20px;
  color: #3498db;
}

.contato-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin: 30px 0;
}

.contato-form input,
.contato-form textarea {
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1em;
}

.contato-info {
  margin-top: 30px;
  text-align: left;
}

.contato-info ul {
  list-style: none;
  padding: 0;
}

.contato-info li {
  margin: 5px 0;
}


.checkout {
  padding: 60px 20px;
  text-align: center;
}

.checkout-content {
  max-width: 700px;
  margin: 0 auto;
}

.checkout h1 {
  font-size: 2em;
  margin-bottom: 20px;
  color: #3498db;
}

.checkout-box {
  background: #f4f4f4;
  padding: 20px;
  border-radius: 8px;
  margin: 30px 0;
}

.checkout-box h2 {
  margin-bottom: 10px;
}

.btn-primary {
  display: inline-block;
  padding: 15px 25px;
  background: #e74c3c;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  margin-top: 20px;
}

.form-group {
  margin-bottom: 20px;
}