:root {
    --rojo: #e52a09;
    --blanco: #EEE;
    --gris: #120f0e;
    --gris-f: #75757577;
    --amarillo: #ffe11d;
    --tipo-titular: 'Oswald', sans-serif;
    --tipo-principal: 'Source Sans 3', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  border: 0;
  box-sizing: border-box;
  font-family: var(--tipo-principal);
  color: var(--blanco);
}

h1 {
    font-family: var(--tipo-titular);
    font-size: 3em;
}
.h2 {
    font-family: var(--tipo-titular);
    font-size: 2em;
}
.h3 {
    font-weight: 400;
}
p {
    font-size: 1em;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    object-fit: cover;
}
.header a,
.inicio a,
.card-links a,
.about-content a,
.footer a {
    position: relative;
    font-size: 1.2em;
}
.about-content a {
    font-size: 1em;
}
.header nav a::before,
.inicio a::before,
.card-links a::before,
.about-content a::before,
.footer a::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: var(--rojo);
    bottom: 0;
    left: 0;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform .3s ease-in-out;
}
.header nav a:hover::before,
.inicio a:hover::before,
.card-links a:hover::before,
.about-content a:hover::before,
.footer a:hover::before {
    transform-origin: left;
    transform: scaleX(1);
}

ul>li{
    list-style-type: none;
}

body{
    display: flex;
    flex-direction: column;
    background-color: var(--gris);
    z-index: 1;
}
main{
    overflow: hidden;
    position: relative;
    display: flex;
    flex-flow: column wrap;
}

.circulos {
    z-index: 2;
}
.circulo1{
    position: fixed;
    top: -50%;
    left: -50%;
    width: 800px;
    fill: var(--rojo);
    filter: blur(10em);
    animation: circulo 40s ease infinite both;
}
@keyframes circulo {
    from{
        transform: rotate(0deg);
    } to {
        transform: rotate(360deg);
    }
}

header h1{
}
header h1 .a{}
.menu-dropdown li:hover {
    background-color: var(--gris-f);
}
header .li{
    padding-right: 1em;
}
header .li .a{

}
.menu-line {
    width: 20px;
    height: 3px;
    background-color: var(--blanco);
    margin-bottom: 4px;
}
.fila, .fila-trabajos, .menu-dropdown{
    display: flex;
    flex-flow: row wrap;
    z-index: 3;
}
.fila-item, .trabajo-item{
    flex: 1 0 33.333333%;
    display: flex;
    flex-flow: column wrap;
    border-right: 1px solid var(--gris-f);
}
.header-item{
    flex-shrink: 1;
}
.trabajos .fila-item {
    border-top: 1px solid var(--gris-f);
}
.fila-item:first-child,
.fila-item:last-child,
.trabajo-item:first-child,
.trabajo-item:last-child {
    border-style: none;
    max-width: 20px;
}
.fila-item:first-child,
.trabajo-item:first-child{
    border-right: 1px solid var(--gris-f);
}
header .menu-dropdown{
    display: none;
}
.header, .menu-dropdown.active{
    display: flex;
    flex-flow: row nowrap;
    align-items: center;
    align-content: center;
    justify-content: stretch;
    position: fixed;
    top: 0;
    width: 100%;
    border-bottom: 1px solid var(--gris-f);
    height: 75px;
    z-index: 4;
    background-color: transparent;
    transition: background-color 0.6s linear;
}
.menu-dropdown {
    height: auto !important;
    top: 75px !important;
    justify-content: center !important;
}
.menu-dropdown ul {
    width: 100%;
    text-align: center;
}
.menu-dropdown li {
    padding: 0.5em;
}
.menu-dropdown li:hover {
    background-color: var(--gris-f) !important;
}
.header .first-item{
    padding: 1em;
}
.header img {
    max-height: 50px;
}
.header nav {
    display: flex;
    flex-flow: row wrap;
    justify-content: flex-end;
    padding-right: 1em;
}
.header ul {
    display: none;
}
.header .fila-item{
    border-style: none;
}
.titulo{
    min-height: 6em;
}

.inicio {
    height: 600px;
    position: relative;
}
.text-section {
    padding-left: 1em;
    padding-right: 1em;
}
.inicio .text-section {
    bottom: 0;
    position: absolute;
}
.about .text-section {
    position: unset;
}
.links {
    display: flex;
    flex-flow: row wrap;
    align-items: baseline;
}
.links li{
    margin-top: 1em;
    margin-right: 1em;
}
.links li img{
    height: 45px;
}
.links-col .li {
    padding: 0.2em;
}
.rrss {
    justify-content: center;
}
.fila-item .rrss {
    display: flex;
    flex-flow: column wrap;
    justify-content: center;
}
.links-col {
    box-shadow: 0px 0px 0px 0px var(--gris-f);
    transition: box-shadow 0.6s linear;
}
.links-col:hover{
    box-shadow: 0px 0px 0px 1px var(--gris-f);
}
.rrss ul {
    border-left: 1px solid var(--amarillo);
    padding-left: 2em;
}
.trabajos .first-item,
.about .first-item {
    position: relative;
}
.trabajo-item, article {
    display: flex;
    flex-flow: column wrap;
    justify-content: space-around;
    align-items: stretch;
    align-content: stretch;
    border-bottom: 1px solid var(--gris-f);
}
.card{
    flex-grow: 1;
    display: flex;
    flex-flow: column wrap;
    margin: 15px;
    background-color: var(--blanco);
    border-radius: 5px;
    padding: 1em;
}
.card .card-image{
    flex-grow: 1;
    display: flex;
    flex-flow: column wrap;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.trabajo-item .card .card-image a {
    position: relative;
}
.trabajo-item .card .card-image a img {
    width: 100%;
    height: 100%;
    border-radius: 2px;
}
.trabajo-item .card .card-image a h3 {
    position: absolute;
}
.card-image a {
    flex-grow: 1;
}
.card .card-links{
    flex-grow: 0;
    display: flex;
    flex-flow: row wrap;
    justify-content: space-around;
    align-items: baseline;
    align-content: center;
    text-align: center;
    margin: 10px 0px;
}
.card h3, .card-links{
    color: var(--gris);
}

.about{
}
.about-content {
    height: 700px;
}
.about-content .text-section {
    width: 90%;
    text-align: justify;
}
.about-content img {
    width: 100%;
    height: 100%;
    margin-top: 1em;
}
.about .h2{}
.about .rrss{
}
.about .li{}
.about .a{}
.rrss img{
    width: 10%;
    height: auto;
}
.picture img {
    margin-top: 1em;
    width: 100%;
}
.hidden {
    display: none;
}
.footer {
    height: 300px;
}
.footer-item{
    border-top: 1px solid var(--gris-f);
}
.footer .first-item,
.footer .contact-item {
    display: flex;
    flex-flow: column wrap;
    justify-content: space-around;
    padding-left: 1em;
}
.footer .logo-small img {
    height: 50px;
}
.footer small {
    color: var(--gris-f);
    font-size: 1em;
}
.footer .links {
    margin-bottom: 1em;
}
@media screen and (min-width: 375px){
    h1 {
        font-size: 4em;
    }
    h2 {
        font-size: 2.5em;
    }
    .about-content {
        height: 600px;
    }
}
@media screen and (min-width: 576px){
    .fila-item, .trabajo-item{
        flex: 1 0 25%;
    }
    .circulo1{
        top: -50%;
        left: -40%;
    }
    .about-content img {
        width: 52%;
    }
    .about-content {
        height: 400px;
    }
    .about-content .first-item,
    .trabajos .first-item {
        position: unset;
    }
    .about-content, .trabajos {
        position: relative;
    }
    .about-content .text-section,
    .trabajos .text-section {
        position:absolute;
    }
    .card .card-image {
        height: 300px;
    }
}
@media screen and (min-width: 768px){
    .fila-item, .trabajo-item{
        flex: 1 0 20%;
    }
    .circulo1{
        top: -50%;
        left: -30%;
    }
    .about-content .text-section {
        width: 60%;
    }
    .about-content img {
        width: 100%;
        margin-top: 0%;
    }
    .menu {
        display: none;
    }
    .nav {
        flex-direction: column;
    }
    header .ul{
        display: flex;
        flex-flow: row wrap;
        align-items: center;
        justify-content: center;
    }
}
@media screen and (min-width: 992px){
    .fila-item, .trabajo-item{
        flex: 1 0 16.666667%;
    }
    h1{
        font-size: 6.5vw;
    }
    .h2{
        font-size: 5vw;
    }
    .h3{
        font-size: 1.9vw;
    }
    p{
        font-size: 1.6vw;
    }
    .circulo1{
        top: -50%;
        left: -20%;
    }
}
@media screen and (min-width: 1256px){
    h1{
        font-size: 82px;
    }
    .h2{
        font-family: var(--tipo-titular);
        font-size: 64px;
    }
    .h3{
            font-size: 25px;
    }
    p{
        font-size: 20px;
    }
    .circulo1{
        top: -50%;
        left: -15%;
    }
}