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

html {
  font-size: 62.5%; /* 1rem = 10px */
}

body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.6rem; /* Base mais legível */
  line-height: 1.6; /* Melhor proporção de espaçamento */
  background-color: #9dd5d4;
}

.menu {
  background-color: #020f26;
}

.menu ul {
  list-style-type: none;
  display: flex;
  justify-content: flex-start;
  padding: 0;
}

.menu ul li {
  position: relative;
}

.menu ul li a {
  color: white;
  padding: 1.5rem;
  text-decoration: none;
  transition: background 0.1s;
  display: block;
}

.menu li a:hover {
  color: #9dd5d4;
}

/* Submenu */
.menu ul ul {
  display: none;
  position: absolute;
  background-color: #020f26;
  top: 100%;
  left: 0;
  padding: 0;
}

.menu ul li:hover ul {
  display: block;
  border-radius: 0 0 0.5rem 0.5rem;
}

.menu ul ul li a {
  display: block;
  padding: 1rem;
}

.img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  height: auto;
}

.box {
  color: white;
  position: relative;
  background-color: rgba(0, 74, 128, 0.9);
  padding: 1.5rem;
  border-radius: 1.5rem;
  max-width: 80%;
  margin: 20% auto; /* Envolve a caixa e centraliza */
  transform: none;
}

.sr {
  margin-left: auto; /* Move o item para o canto direito */
}

/* Media Queries para responsividade */
@media screen and (max-width: 768px) {
  .menu ul {
    flex-direction: column;
  }
  .menu ul li {
    width: 100%;
  }
  .menu ul li a {
    text-align: center;
  }

  .box {
    width: 90%;
    margin-top: 10%;
  }
}