/* ==================== HEADER & NAV ==================== */
header {
  display: flex;
  justify-content: center; /* centraliza horizontalmente */
  align-items: center;
  padding: 20px 40px;
  background-color: rgba(15, 15, 15, 0.9);
  -webkit-backdrop-filter: blur(5px); /* Para compatibilidade com Safari */
  backdrop-filter: blur(5px);
  position: -webkit-sticky; /* Para compatibilidade com Safari */
  position: sticky; /* Padrão */
  top: 0;
  z-index: 10;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo a {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
}

.nav-links {
  display: flex; /* horizontal */
  gap: 20px; /* espaço entre itens */
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: #ffffff;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 6px;
  text-decoration: none; /* tira o sublinhado */
  transition: color 0.3s, background-color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #00ffd5;
  background-color: rgba(0, 255, 213, 0.1);
}

.menu-icon {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==================== RESPONSIVO ==================== */
@media (max-width: 768px) {
  header {
    padding: 16px 20px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: rgba(15, 15, 15, 0.9);
    padding: 20px;
    gap: 15px;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-icon {
    display: block;
  }
}