* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.encabezado {
  display: flex;
  align-items: center;
  background-color: #004466;
  color: white;
  padding: 10px 20px;
}
.logo {
  height: 50px;
  margin-right: 20px;
}
.menu-horizontal {
  position: sticky;
  top: 0;
  z-index: 1000;
}
.menu-horizontal ul {
  list-style: none;
  background: #0077aa;
  display: flex;
  flex-wrap: wrap;
  transition: all 0.3s ease-in-out;
}
.menu-horizontal > ul > li {
  position: relative;
}
.menu-horizontal ul li a {
  display: block;
  padding: 10px 20px;
  color: white;
  text-decoration: none;
  transition: background 0.3s;
}
.menu-horizontal ul li a:hover {
  background: #004466;
}
.menu-horizontal ul li ul {
  display: none;
  position: absolute;
  background: #005577;
  top: 100%;
  left: 0;
  flex-direction: column;
  z-index: 999;
}
.menu-horizontal ul li:hover > ul {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}
.menu-horizontal ul li ul li ul {
  left: 100%;
  top: 0;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.contenido {
  padding: 20px;
  display: flex;
  flex-direction: column;
}
.tabla table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
.tabla th, .tabla td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: center;
}
.tabla th {
  background-color: #eef;
}
.historia-layout {
  display: flex;
  flex-direction: row;
  gap: 20px;
  margin-top: 30px;
}
.historia {
  flex: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.caja-historia {
  flex: 1 1 45%;
  background: #f4f4f4;
  padding: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
}
.datos-importantes {
  flex: 1;
  background: #e8f8ff;
  padding: 15px;
  border: 1px solid #0077aa;
  border-radius: 5px;
  height: fit-content;
}
footer.pie {
  background: #004466;
  color: white;
  padding: 20px;
  text-align: center;
  margin-top: auto;
}
footer .redes a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
}
@media (max-width: 768px) {
  .menu-horizontal ul {
    flex-direction: column;
  }
  .encabezado {
    flex-direction: column;
    align-items: flex-start;
  }
  .historia-layout {
    flex-direction: column;
  }
}