.header {
    position: fixed;
    background-color: var(--s5);
    width: 100%;
    padding-top: calc(5px + 0.5vw);
    padding-bottom: calc(5px + 0.5vw);
    z-index: 110;
}
.header .logo {
    position: relative;
    z-index: 120;
}
.header .logo img {
    width: 100%;
    max-width: 230px;
}

.header .menu {
    position: relative;
    display: flex;
    flex-direction: row;
    justify-content: center;
    line-height: 1;
}
.hamburguesa {
    position: absolute;
    right: 0;
    align-self: center;
    z-index: 120;
    align-items: center;
}
.burger {
    display: inline-block;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 2;
    cursor: pointer;
}
.burger span{
    z-index: 122;
    width: 100%;
    height: 4px;
    display: block;
    position: absolute;
    background: var(--e2);
    transition: all 0.25s ease;
    transform-origin : 0px 100%;
}

.burger span:nth-child(2){
    top: calc(50% - 2px);
}

.burger span:nth-child(3){
    bottom: 0;
}


.menu_mobile {
    position: fixed;
    opacity: 0;
    visibility: hidden;
    z-index: 110;
    width: 100%;
    background-color: var(--e2);
    height: 100vh;
    top: 0px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;

    .opc_m {
        margin: 20px 0;
        @media only screen and (max-width : 525px) { margin: 6vw 0; }
        cursor: pointer;

        

        a {
            color: #fff !important;
            text-decoration: none;
            font-family: var(--titular);
            font-weight: 800;
            text-transform: uppercase;
            font-size: 32px;
        }
    }
}
.opc_m a {
    color: #fff !important;
    text-decoration: none;
    font-family: var(--titular);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 32px;
}
@media (orientation: landscape) and (max-width: 768px) {
    .menu_mobile {
        display: block;

        nav {
            padding: 80px 20px 0 20px;
        }
        .opc_m a {
            font-size: 28px
        }
    }
}


@media only screen and (max-width : 525px) {
    .menu_mobile nav .opc_m  a {
        font-size: 28px
    }
    .header .logo img {
        width: 100%;
        max-width: 180px;
    }
}

@media only screen and (max-width : 425px) {
    .menu_mobile nav .opc_m a {
        font-size: 24px
    }
}