@charset "utf-8";

header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-left:3.6458vw;
    padding-right: 3.6458vw;
    padding-top: 1em;
    padding-bottom: 1.5em;
    position: sticky;
    top: 0px;
    z-index: 10;
    background-color: rgba(255,255,255,.95);
    transition: background-color .5s ease-in 0s;
}
header > span {
    font-size: 2em;
    line-height: 1em;    
}
nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-grow: 1;
    transition: transform .5s ease-in 0s;
}
nav >a, nav > span {
    cursor: pointer;
}
nav > span {
    color: var(--negro);
    text-decoration: none;
    font-weight: 400;
    position: relative;
    z-index: 10;
    display: inline-block;
}

nav > span:hover, #navegador > span span:hover {
    color: #A9A9A9;
    font-weight: 600;
}
#navegador > span span:hover {
    color:rgba(72,72,72,1.00);
}
nav > span:hover span{
    color: var(--negro);
    font-weight: 400;
}

nav .contenedoranimacion {
    background-color: rgba(255,255,255,.5);
    position: absolute;
    top: 100%;
    left: 0px;
    min-width: 100%;
    white-space: nowrap;
    border-radius: 3px;
}
nav .calculador {
    display: flex;
    flex-direction: column;
     padding-left: 4px;
    padding-bottom: 4px;
   
}
nav >span.activa {
    font-weight: 700;
}
nav >span:not(:first-of-type), header > div {
    margin-left: 2em;
}
nav > span span {
    margin-top: .5em;
}
header  img {
    height: 1em;
    width auto;    
    cursor: pointer;
    transition: transform .5s ease-in 0s;
}
#contenedorbuscar {
    padding-left:.5em;
    width:0px;
    overflow: hidden;
    transition: width .6s ease-in-out 0s;
}
header input {
    width: 100%;
    border-radius: .5em;
    vertical-align: text-top;
    padding-left: .5em;
    padding-right: 2em;
    border: solid 1px black;
}
header > div {
    display: flex;
    align-items: center;
}

#abrirmenu {
    display: none;
    background-image:url("../imagenes/abrirmenu.png");
    background-size:100% 100%;
    transition: background-image .5s linear 0s;
}
#navegador img {
    filter: invert(50%);
    width: 100vw;
    height: auto;
    display: none;
    transform-origin: left top;
    transform: translateX(10%);
    margin-top: 1em;
}
@media (max-width: 750px) {
    header  img {
        height: 1.25em;
    }
    #abrirmenu {
        margin-left: 1em;
        display: block;
    }
    #abrirmenu.abierto {
        background-image:url("../imagenes/cerrarmenu.png");
    }
    nav {        
        position: fixed;
        top: 100px;
        left: 100%;
        width: 100vw;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        background-color: rgba(255,255,255,.95);
        padding: 1em;
        padding-top: 2.5em;
        align-items: stretch;
        white-space: nowrap;
        font-size: 1.75em;
        overflow: hidden;
    }
    #navegador img {
        display: block;
    }
    nav span div {
        font-size: .9375em;
    }
    header.abierto {
        background-color: rgba(255,255,255,.95);
    }
    nav.abierto {
        transform:translateX(-100%);
    }
    #encabezado nav > span {
        margin-left: 0px; 
        text-align: center;
        font-weight: 500;
    }
    nav >span:not(:last-of-type) {
        margin-bottom: 1em;
    }
    nav .contenedoranimacion {
        background-color: transparent;
        position: static;
       font-weight: 400;
        height: auto;
    }
   
}