body {
  background: #000000;
  font-size: 14px;
  color: #333333;
  font-family: "Roboto", sans-serif;
  overflow: hidden;
}

video {
  width: 100%;
  height: 100vh;
  display: block;
  top: 0;
  left: 0;
  position: fixed;
  object-fit: cover;
  z-index: 0;
}

#logo {
  width: 100%;
  max-width: 402px;
  height: auto;
  margin: 0 auto;
  z-index: 9;
  position: relative;
}

#logo img {
  width: 100%;
  height: auto;
}

.centrado {
  padding: 10px;
  text-align: center;
  position: absolute;
  height: 200px;
  width: 400px;
  margin-top: -20px;
}

.texto {
  margin-top: 50px;
}

ul {
  display: block;
  position: absolute;
  top: 20px;
  right: 30px;
}
ul li {
  display: inline-block;
  margin-left: 10px;
}
ul li.activo {
  font-weight: bold;
  color: #40b4e5;
}
a,
a:link,
a:focus,
a:visited {
  color: #333333;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.footer {
  display: block;
  position: absolute;
  bottom: 20px;
  right: 0;
  left: 0;
  margin: 0 auto;
  text-align: center;
}
.footer .button {
  font-size: 20px;
  color: #ffffff;
  cursor: pointer;
}

.overlay {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.overlay .cerrar {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 20px;
  color: #000000;
  cursor: pointer;
  transform: rotate(45deg);
}

.contacto {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-transform: uppercase;
  padding: 10px;
  text-align: center;
  position: absolute;
  height: 200px;
  width: 100%;
  max-width: 400px;
  margin-top: -20px;
  background: #ffffff;
  font-size: 20px;
  position: relative;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.overlay.open .contacto {
  transform: translateY(0);
}

a:hover {
  text-decoration: none;
}