@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700,800,900&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
  scroll-behavior: smooth;
}
.uno{
  position: relative;
  width: 100%;
  min-height: 100vh;
  background: url(images/fondo-color-2M.jpg);
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 100px;
}
header{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 30px 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header .logo{
  position: relative;
  font-size: 2em;
  /* color: #fff; */
  color: #03a9f4;
  text-transform: initial;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 1px;
}
header .navigation{
  position: relative;
  display: flex;
  background: rgba(240, 240, 240, 0.6);
  padding: 5px 0px 5px 25px;
  border-radius: 3px;
}
header .navigation li{
  list-style: none;
  
}
header .navigation li a{
  display: inline-block;
  color: #03a9f4;
  margin-right: 40px;
  text-decoration: none;
}
header .navigation li a:hover{
  color: #fff;
}
.content-uno{
  max-width: 600px;
}
.content-uno .contentBX h3{
  font-size: 3em;
  color: #03a9f4;
  line-height: 1em;
  padding-left: 50px;
}
.content-uno .contentBX h2{
  font-size: 4em;
  color: #fff;
  line-height: 1em;
  padding-left: 90px;
}
.content-uno .contentBX h4{
  font-size: 1.5em;
  color: #03a9f4;
  line-height: 1em;
  margin-top: 10px;
}
.content-uno .contentBX p{
  font-size: 1.1em;
  color: #fff;
  font-weight: 300;
  margin: 20px 0;
  text-align: justify;
}
.content-uno .contentBX a{
  display: inline-block;
  padding: 10px 30px;
  background: #03a9f4;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 1px;
}
.sci{
  position: absolute;
  bottom: 30px;
  display: flex;
}
.sci li{
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sci li a{
  position: relative;
  display: inline-block;
  margin-right: 20px;
  filter: invert(1);
  transform: scale(0.5);
}

/* Responsive */

@media (max-width: 991px){
  header{
    padding: 15px 40px;
  }
  .uno{
    padding: 40px;
    background: url(images/fondo-color-2M.jpg);
    background-size: cover;
    background-position: center;
  }
  .content-uno .contentBX h3{
    font-size: 1.8em; 
  }
  .content-uno .contentBX h2{
    font-size: 2.5em;
  }
  .content-uno .contentBX h4{
    font-size: 1.1em;
  }
  .content-uno .contentBX p{
    font-size: 1em;
  }
  header .navigation{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #000;
    z-index: 10;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  header .navigation.active{
    display: flex;
  }
  header .navigation li a{
    font-size: 24px;
    margin: 10px 0;
  }
  /* .toggleMenu{
    position: relative;
    width: 30px;
    height: 30px;
    background: url(images/menu.png);
    background-position: center;
    background-size: 30px;
    background-repeat: no-repeat;
    cursor: pointer;
    z-index: 11;
  }
  .toggleMenu.active{
    background: url(images/close.png);
    background-position: center;
    background-size: 25px;
    background-repeat: no-repeat;
    cursor: pointer;
    z-index: 11;
  } */
/* segundo */
  .toggleMenu {
    position: fixed;
    top: 30px;
    right: 30px;
    width: 40px;
    height: 40px;
    background: #03a9f4 url(images/menu.png);
    background-size: 30px;
    border-radius: 4px;
    background-position: center;
    background-repeat: no-repeat;
    cursor: pointer;
    z-index: 1000;
  }
  .toggleMenu.active {
    background: #03a9f4 url(images/close.png);
    background-size: 25px;
    background-position: center;
    background-repeat: no-repeat;
  }
}