/* Fundo verde floresta com folhinhas leves */
body {
  background: linear-gradient(to bottom, #1b5e20, #2e7d32, #4caf50);
  color: #f0f8f0; /* texto legível sobre verde escuro */
  font-family: "Georgia", serif;
  margin: 0;
  padding: 0;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(0,50,20,0.1) 2px, transparent 2px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
}

/* Container central */
.container {
  width: 80%;
  max-width: 900px;
  margin: 40px auto;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 60, 20, 0.15);
  background-color: rgba(241, 248, 244, 0.9); /* fundo suave semi-transparente */
  position: relative;
  z-index: 1; /* garante que fique acima do body::before */
}

/* Imagens com moldura natural */
img {
  display: block;
  margin: 40px auto;
  width: 50%;
  max-width: 900px;
  height: auto;

  padding: 12px;
  background-color: #f1f8f4;

  border: 6px solid #6fbf73;
  border-radius: 20px;

  box-shadow: 
    0 0 0 4px #a5d6a7,
    0 8px 20px rgba(0, 60, 20, 0.25);
}

/* Títulos */
h1, h2, h3 {
  color: #2f6f3e;
}

/* Links */
a:hover {
  color: #1b5e20;
  text-decoration: underline;
}

/* Botões */
button {
  background-color: #4caf50;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background-color: #2e7d32;
}

/* Caixas de conteúdo */
.box {
  background-color: #ffffff;
  border-left: 6px solid #66bb6a;
  padding: 15px;
  margin: 20px 0;
  border-radius: 10px;
}