:root{
    --clr-fondo:#0B4A15;
}

/*CABECERA*/
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    min-height: 100px;
    padding: 0 10%;
    display: flex;
    align-items: center;
    background-color: var(--clr-fondo);
    z-index: 25;
    transition: 0.5s background-color;
}
.cambio{
    background-color: #33ff55;

}

.logo{
    color: #fff;
    font-size: 1.5rem;
    transition: 0.5s color;
}
header img{
    height: 70px;
    width: auto;
    cursor: pointer;
}
nav{
    margin-left: auto;
}
nav ul{
    
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    transition: 0.5s;
}
nav li{
    margin: 0 1rem;
    list-style: none;
}

.active{
    background-color: var(--clr-secundario);
    padding: 10px;
    border-radius: 10px;
}

.nav-link:not(.active):hover{
    border-bottom: 2px solid var(--clr-secundario);
}

.hamburger-menu {
    display: none;
    width: 30px;
    cursor: pointer;
}

.bar{
        display: block;
        height: 5px;
        width: 100%;
        background-color: #fff;
        border-radius: 20px;
        margin: 5px auto;

}

.bar:not(:nth-child(2)){
    transition: 0.3s transform;    
}

@media (max-width:500px){
    .hamburger-menu{
        display: block;
    }
    nav ul{
        position: absolute;
        top: 100px;
        right: -110%;
        width: 60%;
        background-color: var(--clr-fondo);
        flex-direction: column;
        transition: background-color 0.5s, right 0.3s;
    }           
    nav li{
        width: 100%;
        margin: 0;
        padding: 10px 0;
        text-align: center;
        border-top: 1px solid #000;
        border-bottom: 1px solid #000;
    }

    nav li + li{
        border-top: none;
    }

    .active{
        background-color: transparent;
        border-radius: 0;
    }
    .active a{
        background-color: var(--clr-secundario);
        padding: 10px;
        border-radius: 10px;
    }
    .menu-active .bar:nth-child(1){
        transform: translateY(10px) rotate(45deg);
    }
    .menu-active .bar:nth-child(2){
        visibility: hidden;
    }
    .menu-active .bar:nth-child(3){
        transform: translateY(-10px) rotate(-45deg);
    }
    .nav-active{
        right:0;
    }
}