html { font-size: 62.5%; }

body {
    background: #f1f2f7;
    font-size: 16px;
    box-sizing: border-box;
}
  
/* Box sizing */
*, *:before, *:after { box-sizing: inherit;}
  
/* Titulos */
h1, h2, h3 { text-align: center; }
h1 span { font-size: 2rem;}
  
.titulo {
    margin-top: 3rem;
    margin-bottom: 3rem;
    font-size: 4.8rem;
}
  
.subtitulo1 { font-size: 3.5rem;}
.subtitulo2 { font-size: 2rem;}
  
  /* Barra de navegación */
.barraNav {
    max-width: 100rem;
    margin: 3rem auto 0 auto;
    color: white;
    font-size: 1.5rem;
    background-color: black;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    padding-top: 2rem;
    padding-bottom: 2rem;
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
}
  
.barraNav section {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    column-gap: 1rem;
}
  
.barraNav section a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}
  
/* Mini Background */
.mini-background {
    background-image: url(../imagenes/backgroundHero.png);
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    max-width: 100rem;
    margin: 0 auto;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    padding: 0 0 250px 0;
}
  
.mini-background-contenido {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    color: white;
    font-size: 3rem;
}
  
  /* Contenido principal */
main {
    max-width: 100rem;
    margin: 3rem auto;
    border-radius: 10px;
    border-color: #3b71ca;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    column-gap: 1rem;
}
  
main section {
    display: flex;
    flex-direction: column;
    align-items: center;
}
  
.icono {
    height: 9rem;
    width: 9rem;
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50px;
    color: white;
}
  
/* Media Queries */
@media (min-width: 320px) and (max-width: 768px){
    
    h1 span{font-size: 3rem;}
    .titulo{margin-top: 2rem;margin-bottom: 2rem;font-size: 4.8rem;}
    .subtitulo1{font-size: 3.5rem;}
    .subtitulo2{font-size: 2rem;}
    
    .barraNav{
        display: flex;
        flex-direction: column;
        align-items: center;
        row-gap: 1rem;  
    }

    main{
        display: grid;
        grid-template-columns: repeat(2,1fr);
        column-gap: 1rem;
        margin-bottom: 3rem;
    }
    .mensaje {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
        color: black;
        opacity: 1;
        transition: opacity 1s ease-in-out;
    }
     
    .mensaje h1 {
        font-size: 36px;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        animation: typing 4s steps(22), blink-caret 0.5s step-end infinite alternate;
    }
     
    @keyframes typing {
        from { width: 0; }
        to { width: 100%; }
    }
     
    @keyframes blink-caret {
        from, to { border-color: transparent; }
        50% { border-color: black; }
    }
     
    .contenido {
        display: none;
        animation: aparecer 1s ease-in-out forwards;
    }
     
    @keyframes aparecer {
        0% {
           opacity: 0;
           transform: translateY(20px);
        }
        100% {
           opacity: 1;
           transform: translateY(0);
        }
    } 
}
.mensaje {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: black;
    opacity: 1;
    transition: opacity 1s ease-in-out;
}
 
.mensaje h1 {
    font-size: 36px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    animation: typing 4s steps(22), blink-caret 0.5s step-end infinite alternate;
}
 
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}
 
@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: black; }
}
 
.contenido {
    display: none;
    animation: aparecer 1s ease-in-out forwards;
}
 
@keyframes aparecer {
    0% {
       opacity: 0;
       transform: translateY(20px);
    }
    100% {
       opacity: 1;
       transform: translateY(0);
    }
}