header,
footer{
    width: 100%;
    min-height: 55px;
    background-image: linear-gradient(to right,
                                    var(--clr-green-900) 10%,
                                    var(--clr-green-600) 20%,
                                    var(--clr-green-300) 50%,
                                    var(--clr-green-600) 80%,
                                    var(--clr-green-900) 90%);
}

header{
    position: fixed;
    top: 0;
    z-index: 20;
}

footer{
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
}

/* Class used to toggle transparency on the header's background */

.scrolled{
    background-image: linear-gradient(to right,
                                    var(--clr-green-900-op) 10%,
                                    var(--clr-green-600-op) 20%,
                                    var(--clr-green-300-op) 50%,
                                    var(--clr-green-600-op) 80%,
                                    var(--clr-green-900-op) 90%);
}
/*  */

.scrolled:hover,
.scrolled:focus{
    background-image: linear-gradient(to right,
                                    var(--clr-green-900) 10%,
                                    var(--clr-green-600) 20%,
                                    var(--clr-green-300) 50%,
                                    var(--clr-green-600) 80%,
                                    var(--clr-green-900) 90%);
}

a{
    text-decoration: none !important;
}

.menu{
    padding: 0 2.5%;
    max-width: 1700px;
    margin: 0 auto;
    height: 55px;
    border-bottom: 1px solid var(--clr-light);

    display: flex;
    align-items: center;

    position: relative;
}

.menu__logo{
    margin: 0 auto;
    padding: 0.5rem 1rem 0.5rem 0;

    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-light);
}

.menu__list{
    list-style: none;
    margin: 0;
    padding: 1.5rem 0;
    width: 100%;

    color: var(--clr-light);
    background-image: linear-gradient(to right,
                                    var(--clr-green-900) 10%,
                                    var(--clr-green-600) 20%,
                                    var(--clr-green-300) 50%,
                                    var(--clr-green-600) 80%,
                                    var(--clr-green-900) 90%);

    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    gap: 1rem;

    position: absolute;
    top: 55px;
    left: -100%;
    z-index: 3;

    max-height: 90vh;
    overflow-y: scroll;
    scrollbar-width: none;  /* Firefox */
    -ms-overflow-style: none;  /* Internet Explorer 10*/

    transition: all  0.4s ease-in-out;
}

.menu__list::-webkit-scrollbar {
    display: none;  /* Safari and Chrome */
}

/* class to show the menu when hamburger clicked */
.menu__list.opened{
    left: 0;
}
/*  */

.menu__item{
    width: 100%;
    text-align: center;
}

.menu__link{
    padding: 0.8rem 0.6rem;
    font-weight: 400;
    font-size: 1rem;
    color: var(--clr-light);
    text-transform: uppercase;
    letter-spacing: 1px;

    cursor: pointer;
    transition: all .2s ease-in;
}

.menu__item--form{
    border-radius: 10px !important;
    margin: 1rem 0;
}

.menu__search{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
 }

.form-control[type="search"]{
    padding: .3rem .75rem;
    max-width: 200px;
}

.form-control[type="search"]:focus {
    color: var(--clr-green-900);
    border: #fff;
    box-shadow: -1px -1px 4px #fff,
                1px 1px 4px #fff;

    transition: all 200ms ease-in-out;
}

.shiny-item:hover,
.shiny-item:focus{
    text-shadow: 1px 1px 5px var(--clr-light),
                 -1px -1px 5px var(--clr-light);
}

.framed-item{
    padding: 0.5rem 0.75rem !important;
    border: 1px solid var(--clr-light);
    border-radius: 10px;
}

.framed-item--dif{
    text-transform: none;
    padding: 0.3rem 0.75rem !important;
}

.framed-item.shiny-item:focus,
.framed-item.shiny-item:hover{
    box-shadow: 0px 0.5px 4px var(--clr-light),
                0px -0.5px 4px var(--clr-light);
}

.help{
    margin-bottom: 0.5rem;
}

.sign-in,
.register{
    margin: 0.2rem;
}

.btn-group a{
    cursor: pointer;
}

/* Dropdown menu - Categories */
.dropdown_menu{
    max-height: 0;
    overflow: hidden;

    background-color: linear-gradient(to right,
                                    var(--clr-green-900) 10%,
                                    var(--clr-green-600) 20%,
                                    var(--clr-green-300) 50%,
                                    var(--clr-green-600) 80%,
                                    var(--clr-green-900) 90%);

    list-style: none;
    margin: 0 auto;
    padding: 0 1rem;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
    gap: 1rem;

    transition: all 0.4s ease-in-out;
}

.reset{
    display: inline-block;
    padding: 0.6rem;
    color: var(--clr-light);
    border: 1px solid var(--clr-light);
    text-shadow: 2px 2px 3px var(--clr-green-900),
                -2px -2px 3px var(--clr-green-900);
    border-radius: 10px;
    font-weight: 700;
}

.reset:hover,
.reset:focus{
    background-color: var(--clr-light);
    text-shadow: 1.5px 1.5px 3px var(--clr-green-900),
                -1.5px -1.5px 3px var(--clr-green-900);
}

.expanded{
    background: rgba(0,0,0,0.2);
    max-height: 500px;
    margin: 1rem auto 0;
    padding: 1rem;
    transition: all 0.4s ease-in-out;
}

.fa-caret-down{
    transition: transform 0.4s ease-in-out;
    font-size: 0.8em !important;
    transform: translateY(-2px);
}

.upside_down{
    transform: rotate(180deg);
}
/*  */

/* Menu toggler */

.menu-toggler{
    display: block;
    padding: 0;
    width: 30px;
    height: 30px;
    background-color: rgba(0, 0, 0, 0);
    border: none;
    border-radius: 20%;
}
/*  */

/* Hamburger appearance (those 3 lines) */

.hamburger{
    position: relative;
    width: 17px;
}

.hamburger,
.hamburger::before,
.hamburger::after{
    margin: 0 auto;
    display: block;
    height: 2px;
    background-color: var(--clr-light);

    transition: transform 0.3s ease-in-out,
                opacity 0s;
}

.hamburger::before,
.hamburger::after{
    content: '';
    position: absolute;
}

.hamburger::before{
    width: 22px;
    transform: translateY(-5.5px);
}

.hamburger::after{
    width: 12px;
    transform: translateY(5.5px);
}
/*  */

/* Changing the hamburger appearance (from hamburger to X)*/

.menu-toggler.active .hamburger{
    width: 22px;
    transform: rotate(-45deg);
}

.menu-toggler.active .hamburger::after{
    opacity: 0;
}

.menu-toggler.active .hamburger::before{
    width: 100%;
    transform: rotate(90deg) translateY(0);
}
/*  */

/* Dark overlay on the main content when hamburger clicked
disabling functionality of the main content until a link it's clicked or until the menu is closed */

header[data-overlay]::after{
    content:'';
    position: fixed;
    inset: 0;
    top: 55px;
    background-color: rgb(0,0,0, 0.5);
    z-index: 2;
}
/*  */


@media(min-width: 950px){
    html{
        font-size: 13.5px;
    }

    .menu__item{
        width: auto;
        text-align: default;
    }

    .menu-toggler{
        display: none;
    }

    .menu__logo{
        flex: 1 0 auto;
    }

    .menu__list{
        width: 90%;
        background-image: none;
        position: static;
        flex-direction: row;
        justify-content: start;
        gap: 0.5rem;
    }

    .menu__link{
        padding: 0.6rem 0.4rem;
    }

    .help{
        margin-bottom: 0;
    }

    .dropdown_menu{
        position: absolute;
        transform: translateY(10px);
        gap: 0.7rem;
    }

    .reset{
        padding: 0.6rem;
        width: 100%;
    }

    .expanded{
        margin:0;
        transform: translateY(20px);
        background-color: var(--clr-green-600);
    }

    .sign-in,
    .register{
        margin: 0;
    }

    .menu__item--right{
        margin-left: auto;
    }

    .menu__link.account{
        margin-left: 1rem;
    }

    header[data-overlay]::after{
        display: none;
    }
}


@media (min-width: 1200px){
    html{
        font-size: 17px;
    }
}