@charset "utf-8";
/* RESET BÁSICO */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  font-family: "Open Sans", sans-serif;
  color: #444;
  background-color: #FFF;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 1px;
  overflow-x: hidden;
}

/* HEADER */
header {
  text-align: center;
  padding: 20px;
  background-image: url("https://apec.ar/img/fdo.jpg");
  background-size: cover;
  background-position: center;
  color: #333;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.3);
}

header h1 {
  font-size: 24px;
  color: #fff;
}

/* MENÚ */
nav ul {
  list-style: none;
  padding: 10px;
  margin: 0;
  background-color: #FFF;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

nav ul li {
  margin: 10px;
text-align: center;
}

nav a {
  text-decoration: none;
  color: #666;
  font-weight: bold;
}

nav a:hover {
  color: #69edbf;
}

/* CONTENIDO */
#contenido {
  padding: 40px 20px;
  text-align: center;
}

h2 {
  margin-bottom: 20px;
  color: #69edbf;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: auto;
}

/* FOOTER */
footer {
  width: 100%;
  background-color: #01231d;
  color: #69edbf;
  text-align: center;
  padding: 15px;
}

/* --- RESPONSIVE --- */

/* Tablets */
@media (max-width: 768px) {
  header h1 {
    font-size: 20px;
  }
  #contenido {
    padding: 20px;
  }
  nav ul {
    flex-direction: column;
    align-items: center;
  }
  nav ul li {
    margin: 8px 0;
  }
}

/* Celulares */
@media (max-width: 480px) {
  body {
    font-size: 14px;
  }
  header h1 {
    font-size: 18px;
  }
  #contenido {
    padding: 15px 10px;
  }
  h2 {
    font-size: 18px;
  }
}