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

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: #333; /* Cinza escuro para texto padrão */
  background-color: #fff;
}

/* Navegação */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2980b9; /* Azul forte profissional */
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: #555;
  font-weight: 400;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #3498db; /* Destaque ao passar o mouse */
}

/* Hero Section */
.hero {
  /* Gradiente suave de azul muito claro, lembrando água */
  background: linear-gradient(135deg, #f0f8ff 0%, #e6f7ff 100%);
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #2c3e50; /* Azul quase preto para contraste */
}

.hero p {
  font-size: 1.2rem;
  color: #555;
  margin-bottom: 1rem;
}

.btn {
  display: inline-block;
  background-color: #3498db; /* Azul Principal (Vibrante mas calmo) */
  color: white;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  margin-top: 20px;
  font-weight: 500;
  transition: background 0.3s, transform 0.2s;
  box-shadow: 0 4px 6px rgba(52, 152, 219, 0.2);
}

.btn:hover {
  background-color: #2980b9; /* Azul um pouco mais escuro */
  transform: translateY(-2px);
}

/* Container Geral */
.container {
  padding: 5rem 5%;
  text-align: center;
}

.container h2 {
  font-size: 2rem;
  color: #2c3e50;
  margin-bottom: 3rem;
}

/* Grid de Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  padding: 2.5rem;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border-top: 5px solid #3498db; /* Borda superior azul */
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-bottom: 1rem;
  color: #2980b9;
}

/* Suporte */
.support-section {
  background-color: #f4faff; /* Fundo azul gelo muito sutil */
  padding: 4rem 5%;
}

.contact-box {
  margin-top: 2rem;
  padding: 2.5rem;
  background: white;
  display: inline-block;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid #e1f0fa;
}

.email-link {
  font-size: 1.3rem;
  color: #3498db;
  font-weight: bold;
  text-decoration: none;
}

.email-link:hover {
  text-decoration: underline;
}

.small-text {
  font-size: 0.85rem;
  color: #7f8c8d;
  margin-top: 15px;
}

/* Footer */
footer {
  background-color: #2c3e50; /* Azul Marinho Escuro */
  color: #ecf0f1;
  text-align: center;
  padding: 3rem 2rem;
}

footer p {
  margin-bottom: 10px;
}

footer a {
  color: #85c1e9; /* Azul claro para links no fundo escuro */
  text-decoration: none;
  margin: 0 10px;
  font-size: 0.9rem;
}

footer a:hover {
  color: #fff;
}

/* Responsividade Mobile */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }
  .nav-links {
    display: none;
  }
  .container {
    padding: 3rem 5%;
  }
}