* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

header {
    background-color: transparent;
    position: fixed;
    width: 100%;
    height: 100px;
    padding-top: 10px;
    padding-left: 65px;
    padding-right: 65px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 9999;
}

header.abajo{
    background: #3C6C76;
    transition: background-color 1s ease-in-out;
  }

.logo {
    width: auto;
    height: 70%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-list {
    list-style-type: none;
    display: flex;
    gap: calc(25px + 1vw);
}

.nav-list li a {
    text-decoration: none;
    color: #FFF;
    font-family: Montserrat;
    font-weight: 600;
    font-style: normal;
    font-size: calc(15px + 0.5vw);
}

.abrir-menu,
.cerrar-menu {
    display: none;
}

.abrir-menu img, 
.cerrar-menu img  {
    height: 30px;
    width: auto;
}

@media screen and (max-width: 799px) {
    .abrir-menu,
    .cerrar-menu {
        display: block;
        border: 0;
        font-size: 1.25rem;
        background-color: transparent;
        cursor: pointer;
    }

    .nav {
        opacity: 0;
        visibility: hidden;
        display: flex;
        flex-direction: column;
        align-items: end;
        gap: 25px;
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        background-color: #F3F3F3;
        height: 100vh;
        width: 100%;
        padding: 3rem;
        box-shadow: 0 0 0 100vmax rgba(0, 0, 0, .5);
        font-family: Montserrat;
        font-weight: bolder;
        font-size: calc(20px + 0.5vw);
        transition: transform 1s ease-in-out, opacity 1s ease-in-out; 
        transform: translateY(-100%);
    }

    .nav.visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .nav-list li {
        margin-top: 20px;
        display: flex;
        justify-content: center;
    }

    .nav-list li a {
        color: #2A2B33;
        text-align: center;
    }

    #refLogoNav {
        width: 45%;
        height: auto;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #logoNav {
        content: url(../img/dropLuum.png);
        width: 100%;
        height: auto;
    }

    .nav .decorationDrop {
        width: 100%;
        height: auto;
        margin: 10px 0px;
    }
}

@media screen and (min-width: 800px) {

    header{
        justify-content: center;
    }

    .nav-list {
        align-items: center;
    }

    .nav-list .decorationDrop {
      display: none;
    }

    #refLogoNav {
        content: url(../img/Luum_logo.png);
        height: 50px;
        width: auto;
    }

    .logo {
        display: none;
    }

    .nav-list li a {
        font-size: calc(11px + 0.5vw);
    }

    .nav-list {
        gap: calc(35px + 1vw);
    }
}