body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: url("https://static.vecteezy.com/system/resources/thumbnails/003/396/140/small_2x/soccer-ball-in-net-with-spotlight-or-stadium-light-background-free-photo.jpg") no-repeat center center/cover;
  background-size: cover;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
}
	body::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url("https://static.vecteezy.com/system/resources/thumbnails/003/396/140/small_2x/soccer-ball-in-net-with-spotlight-or-stadium-light-background-free-photo.jpg") no-repeat center center/cover;
      filter: blur(11px); /* 👈 Ajusta el nivel de desenfoque */
      z-index: -1; /* Mantiene el fondo detrás del contenido */
    }
/* Contenedor adaptable */
.container {
  background: white;
  padding: 20px;
  border-radius: 15px;
  text-align: center;
  max-width: 90%;   /* en pantallas pequeñas ocupa casi todo */
  width: 480px;     /* en pantallas grandes se mantiene */
  box-shadow: 0px 4px 10px rgba(0,0,0,0.2);
  position: relative;
}

/* Logo pequeño */
.logo-pequeño {
  width: 90px;
  position: absolute;
  top: 40px;
  right: 15px;
}

/* Logo derecho */
.logo {
   width: 80px;
  position: absolute;
  top: 50px;
  right: 430px;  /* en vez de left fijo */
}

/* Nombre institución */
.institucion {
  margin-top: 40px;
  font-size: 3.3vw;   /* se ajusta al ancho de pantalla */
  max-font-size: 25px;
  font-weight: bold;
   color: #0a2e57;
    font-family: cooper black;
   
}

/* Logo central */
.logo-central {
  margin: 30px auto;
  display: inline-block;
   border-radius:120px;
}
.logo-central img {
  width: 250%;        /* ocupa la mitad del contenedor */
  max-width: 250px;
}

/* Texto de bienvenida */
.bienvenida {
  font-size: 16px;
  margin: 15px 0;
  font-family: Arial black;
}

/* Botón adaptable */
.button {
      display: block;
      width: 90%;
      padding: 7px;
      margin: 10px 0;
      border: none;
      border-radius: 8px;
      font-size: 16px;
      font-weight: bold;
      cursor: pointer;
      transition: all 0.3s ease;
	     background-color: #5D9CD4;
      font-family: cooper black;
      color: #0f1b33;
      position: relative;
      top: 0px;
      right: -40px; 
}

button:hover {
   background-color: #2C558F;
}
.manual {
   width: 10px;
  position: relative;
  top: -43px;
  right: 230px; 
}