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

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #ffffff;
  color: #111;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

.hero {
  min-height: 100vh;
  background:
    linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),
    url("https://images.unsplash.com/photo-1518770660439-4636190af475?q=80&w=1600&auto=format&fit=crop");
  background-size: cover;
  background-position: center;

  color: white;

  display: flex;
  flex-direction: column;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 25px 60px;
}

.logo {
  font-size: 2rem;
  font-weight: bold;
  color: #ff6a00;
}

.menu {
  list-style: none;
  display: flex;
  gap: 30px;
}

.menu a {
  text-decoration: none;
  color: white;
  transition: 0.3s;
}

.menu a:hover {
  color: #ff6a00;
}

.hero-content {
  flex: 1;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  text-align: center;

  padding: 20px;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 20px;
}

.hero-content p {
  max-width: 700px;
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;

  background: #ff6a00;
  color: white;

  padding: 14px 30px;

  border-radius: 8px;

  text-decoration: none;
  font-weight: bold;

  transition: 0.3s;
}

.btn:hover {
  background: #ff8533;
  transform: translateY(-2px);
}

.section {
  padding: 80px 20px;
}

.section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 30px;

  color: #ff6a00;
}

.section p {
  text-align: center;
  max-width: 800px;
  margin: auto;
}

.dark {
  background: #111;
  color: white;
}

.cards {
  margin-top: 50px;

  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background: #1d1d1d;
  padding: 30px;

  border-radius: 12px;

  border: 1px solid rgba(255,255,255,0.08);

  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #ff6a00;
}

.card h3 {
  margin-bottom: 15px;
  color: #ff6a00;
}

.contato {
  text-align: center;
}

footer {
  background: black;
  color: white;

  text-align: center;

  padding: 20px;
}

@media (max-width: 768px) {

  .navbar {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }

  .menu {
    gap: 15px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

}