/* ===== Estilos generales ===== */
body {
  font-family: 'Montserrat', sans-serif;
  margin: 0;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

/* ===== Cabecera ===== */
header {
  background-color: #1e3a5f;
  color: white;
  padding: 40px 20px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-weight: 600;
}

header p {
  margin-top: 10px;
  font-weight: 300;
}

/* ===== Contenido principal ===== */
main {
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

/* ===== Secciones ===== */
section {
  background-color: white;
  margin-bottom: 30px;
  padding: 30px;
  border-radius: 6px;
}

/* ===== Imágenes ===== */
img {
  max-width: 100%;
  display: block;
  margin-top: 20px;
}

.imagen-click {
  cursor: pointer;
  border: 3px solid #1e3a5f;
  transition: transform 0.2s;
}

.imagen-click:hover {
  transform: scale(1.02);
}

/* ===== Campo de texto ===== */
input {
  padding: 10px;
  font-size: 16px;
  width: 100%;
  max-width: 300px;
  margin-top: 10px;
}

/* ===== Objeto en movimiento ===== */
#planeta {
  width: 50px;
  height: 50px;
  background-color: #2c7be5;
  border-radius: 50%;
  position: relative;
  margin-top: 20px;
}

/* ===== Footer ===== */
footer {
  background-color: #e0e0e0;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

footer a {
  color: #1e3a5f;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}