.context {
  width: 100%;
  position: absolute;
  top: 50vh;
  z-index: 1;
}

.context h1 {
  text-align: center;
  color: #fff;
  font-size: 50px;
}

.area {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-image: url("../img/fondo-login.png");
  width: 100%;
  height: 100vh;
  background-color: #041e40;
}

.circles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.circles li {
  position: absolute;
  display: block;
  list-style: none;
  width: 20px;
  height: 20px;
  background: #05f2db;
  animation: animate 25s linear infinite;
  bottom: -150px;
}

/* Triángulo */
.circles li:nth-child(1),
.circles li:nth-child(5),
.circles li:nth-child(7) {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  width: 80px;
  height: 80px;
  animation-delay: 0s;
}

.circles li:nth-child(2) {
  left: 10%;
  width: 20px;
  height: 20px;
  animation-delay: 2s;
  animation-duration: 12s;
}

/* Triángulo */
.circles li:nth-child(5) {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  left: 65%;
  width: 80px;
  height: 80px;
  animation-delay: 0s;
}

/* Triángulo */
.circles li:nth-child(7) {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  left: 35%;
  width: 100px;
  height: 100px;
  animation-delay: 7s;
}

.circles li:nth-child(3) {
  left: 70%;
  width: 20px;
  height: 20px;
  animation-delay: 4s;
}

.circles li:nth-child(4) {
  left: 40%;
  width: 60px;
  height: 60px;
  animation-delay: 0s;
  animation-duration: 18s;
}

.circles li:nth-child(6) {
  left: 75%;
  width: 110px;
  height: 110px;
  animation-delay: 3s;
}

.circles li:nth-child(8) {
  left: 50%;
  width: 25px;
  height: 25px;
  animation-delay: 15s;
  animation-duration: 45s;
}

.circles li:nth-child(9) {
  left: 20%;
  width: 15px;
  height: 15px;
  animation-delay: 2s;
  animation-duration: 35s;
}

.circles li:nth-child(10) {
  left: 85%;
  width: 150px;
  height: 150px;
  animation-delay: 0s;
  animation-duration: 11s;
}

@keyframes animate {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
    border-radius: 0;
  }
  100% {
    transform: translateY(-1000px) rotate(720deg);
    opacity: 0;
    border-radius: 30%;
  }
}

.fondocarta {
  background-color: transparent;
  padding: 10px;
}

.tituloPIN {
  color: #fff;
  font-weight: 600;
}

.btnLogin {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  background-color: #0A8CBF;
  border: 2px solid #fff;
  border-radius: 10px;
  padding: 10px;
  padding-left: 25px;
  padding-right: 25px;
  transition: 0.5s;
}

.btnLogin:hover {
  color: #0A8CBF;
  background-color: #fff;
  border: 2px solid #0A8CBF;
}


.inputsM {
  border-radius: 30px;
  height: 44px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  background: white;
  opacity: 35%;
  color: #fff;
}
.inputsM:hover {
  background: white;
  opacity: 95%;
}




.imgIndex {
  width: 65%;
  margin-bottom: 3rem; /* Valor por defecto para computadoras */
}
.cartaLogin {
  background-color: transparent;
  border-color: transparent;
  margin-top: -15rem;
  width: 70%;
}
@media only screen and (min-width: 768px) and (max-width: 1024px) {
  /* Tablets */
  .imgIndex {
    width: 65%;
  }

  .cartaLogin {
    width: 100%;
  }
  .inputsM {
    font-size: 26px;
  }
  .btnLogin {
    font-size: 20px;
  }
}

@media only screen and (max-width: 767px) {
  /* Teléfonos */
  .imgIndex {
    width: 100%;
  }

  .inputsM {
    font-size: 14px;
  }
  .cartaLogin {
    width: 100%;
  }
  .btnLogin {
    font-size: 14px;
    padding: 8px;
  }
}