/* === GENERAL === */
body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #ffffff;
  color: #222;
  line-height: 1.6;
}

/* === HEADER === */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 60px;
}

header h1 {
  margin: 0;
  font-size: 1.8em;
  font-weight: bold;
}

/* === NAVEGACIÓN PRINCIPAL === */
.main-nav {
  display: flex;
  gap: 30px;
}

.main-nav a {
  text-decoration: none;
  color: #222;
  font-weight: 500;
  padding: 5px 10px;
  transition: color 0.3s, background-color 0.3s;
}

.main-nav a:hover {
  color: #ffffff;
  background-color: #003366;
  border-radius: 4px;
}

/* === LAYOUT PRINCIPAL === */
.main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 40px;
  gap: 60px;
}

/* === SIDEBAR FIJA === */
.sidebar {
  flex: 0 0 260px;
  position: sticky;        /* <-- clave para mantenerla visible */
  top: 40px;               /* distancia desde la parte superior */
  align-self: flex-start;  /* asegura alineación correcta */
  text-align: left;
  height: fit-content;     /* se adapta al contenido */
}

.sidebar img {
  width: 100%;
  border-radius: 4px;
  margin-bottom: 20px;
}

.sidebar p {
  margin: 5px 0;
  font-size: 0.95em;
}

.sidebar a {
  color: #003366;
  text-decoration: none;
  font-weight: bold;
}

.sidebar a:hover {
  text-decoration: underline;
}

/* === CONTENIDO PRINCIPAL === */
.content {
  flex: 1;
  font-size: 1em;
}

.content p {
  margin-bottom: 18px;
  text-align: justify;
}

.content strong {
  color: #000;
}

/* === FOOTER === */
footer {
  text-align: center;
  font-size: 0.9em;
  color: #666;
  margin-top: 40px;
  padding: 20px 10px;
  border-top: 1px solid #ddd;
}