body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
/*removido header{} e nav, todas navs*/

/*Adicionado novo nav */
nav {
    background-color: #1D7249;
}
section {
    padding: 20px;
    text-align: center;
}

article {
    margin: 10px;
    padding: 10px;
    background-color: #f2f2f2;
    box-shadow: 0px 0px 5px #ccc;
    border-radius: 5px;
}

footer {
    background-color: #1D7249;
    color: #fff;
    padding: 10px;
    text-align: center;
    font-weight: bold;
}

@media only screen and (min-width: 768px) {
    nav {
        justify-content: flex-end;
    }
}

@media only screen and (min-width: 992px) {
    nav {
        justify-content: space-between;
    }
    
    section {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    article {
        width: 30%;
    }
}
.nav-link:hover {
    font-weight: bold;
}
.resetar{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
    background-color: #1D7249;
}
ul.aux{
    position: relative;
    transform: skewY(-15deg);
}
ul.aux li{
    position: relative;
    list-style: none;
    width: 120px;
    background: #ECC345;
    padding: 10px;
    transition: 0.5s;
    z-index: calc(1 * var(--i));
}
ul.aux li:hover{
    transform: translateX(-50px);
    background: var(--clr);
}
ul.aux li::before{
    content: '';
    position: absolute;
    top: 0;
    left: -40px;
    width: 40px;
    height: 100%;
    background: #ECC345;
    filter:brightness(0.7);
    transform-origin: right;
    transform: skewY(45deg);
    transition: 0.5s;
}
ul.aux li:hover::before{
    background: var(--clr);
    filter: brightness(0.7);
}
ul.aux li::after{
    content: '';
    position: absolute;
    top: -40px;
    left: 0;
    width: 100%;
    height: 40px;
    background: #ECC345;
    filter:brightness(0.9);
    transform-origin: bottom;
    transform: skewX(45deg);
    transition: 0.5s;
}
ul.aux li:hover::after{
    background: var(--clr);
    filter:brightness(0.9);
}
ul.aux li a{
    text-decoration: none;
    color: #999;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: 0.5s;
}
ul.aux li:hover a{
    color: #fff;

}
ul.aux li:last-child::after{
    box-shadow: -120px 120px 20px rgba(0,0,0,0.25);
}
ul.aux li span{
    position: absolute;
    top: 0;
    left: -40px;
    width: 40px;
    height: 100%;
    background: #3e3f46;
    transform-origin: right;
    transform: skewY(45deg);
    transition: 0.5s;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.5;
    font-size: 1.25em;
}
ul.aux li:hover span{
    opacity: 1;
    background: var(--clr);
}
#contato{
    background-color: #222;
    color: #f3ba08;
}
#icons{
    font-size: 45px;
}