/*----------------*/
/* Navigation bar */
/*----------------*/

nav {
    background-color: var(--clr-nav-darkblue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    min-height: 3rem;
    padding: 1rem;
}

nav img {
    position: relative;
    bottom: -5px;
    width: 5rem;
    transition: all 0.3s ease-in-out;
}

nav img:hover {
    transform: rotate(20deg);
    filter: sepia(60%);
}

/*--------------------------------------------*/
/* Hamburger menu (nav bar) on mobile Version */
/*--------------------------------------------*/

@media only screen and (max-width: 490px) {
    /* Style the checkbox */
    .toggler {
        position: absolute;
        top: 0;
        right: 0;
        z-index: 10;
        cursor: pointer;
        /* Set the size of the checkbox */
        width: 50px;
        height: 50px;
        opacity: 0;
    }

    /* Style hamburger menu */
    .hamburger {
        position: absolute;
        top: 0;
        right: 0;
        z-index: 9;
        width: 60px;
        height: 60px;
        padding: 1rem;
        background: var(--primary-color);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Set the 3 hamburger lines */
    .hamburger > div {
        position: relative;
        width: 100%;
        height: 2px;
        background-color: var(--clr-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.4s ease;
    }

    /* Adjust top and bottom lines position */
    .hamburger > div:before, 
    .hamburger > div:after {
        content: "";
        position: absolute;
        z-index: 9;
        top: -10px;
        width: 100%;
        height: 2px;
        background: inherit;
    }

    /* Adjust bottom line position */
    .hamburger > div:after {
        top: 10px;
    }

    /* Toggler animate */
    .toggler:checked + .hamburger > div {
        transform: rotate(135deg);
    }

    /* Turn lines into X */
    .toggler:checked + .hamburger > div:before, 
    .toggler:checked + .hamburger > div:after {
        top: 0;
        transform: rotate(90deg);
    } 

    /* Rotate on hover when checked */
    .toggler:checked:hover + .hamburger > div,
    .toggler:checked:focus + .hamburger > div {
        transform: rotate(225deg);
    }

    /* Show nav when checkbox is checked */
    .toggler:checked ~ #nav-menu {
        visibility: visible;
    }

    .toggler:checked ~ #nav-menu > div {
        transform: scale(1);
        transition-duration: 0.5s;
    }

    .toggler:checked ~ #nav-menu > div > div {
        opacity: 1;
        transition: opacity 0.4s ease ;
    }

    /* Style nav menu */
    #nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        visibility: hidden;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #nav-menu > div {
        background: var(--clr-nav-darkblue);
        opacity: 0.95;
        border-radius: 50%;
        width: 400vw;
        height: 400vh;
        display: flex;
        flex: none;
        align-items: center;
        justify-content: center;
        transform: scale(0); 
        transition: all 0.4s ease;
    }

    #nav-menu > div > div {
        text-align: center;
        max-width: 90vw;
        max-height: 100vh;
        opacity: 0;
        transition: opacity 0.4s ease;
    }

    #nav-menu > div > div > ul > li {
        list-style: none;
        color: var(--clr-primary);
        font-size: 1.5rem;
        padding: 1rem;
    }

    #nav-menu > div > div > ul > li > a {
        color: inherit;
        font-weight: 700;
        letter-spacing: 4px;
        text-decoration: none;
        text-transform: uppercase;
    }
}


/*--------*/
/* Footer */
/*--------*/

footer {
    background-color: var(--clr-nav-darkblue);
    min-height: 3rem;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.5em;
    overflow: hidden;
}

#social-icons {
    width: 70%;
    max-width: 20rem;
}

#social-icons ul {
    display: flex;
    width: 100%;
}

#social-icons ul li {
    width: 100%;
}

#social-icons ul li i {
    display: flex;
    justify-content: space-around;
    margin: 0.5em 0;
    transition: all 0.5s ease;
}

/* Hover Effect on Social icons */
#social-icons ul li i:hover,
#social-icons ul li i:focus {
    transform: scale(1.4) rotate(360deg);
}

.fa-github:hover, 
.fa-github:focus {
    color: white;
}

.fa-twitter:hover,
.fa-twitter:focus {
    color: #1DA1F2;
}

.fa-linkedin:hover, 
.fa-linkedin:focus {
    color: #00a0dc;
}

.fa-envelope:hover, 
.fa-envelope:focus {
    color: var(--clr-primary);
}

footer p {
    font-size: 0.7rem;
}



/* ------------------------------------- */
/* Nav bar on tablet and desktop version */
/* ------------------------------------- */
@media only screen and (min-width: 490px) {
    nav {
        display: flex;
        align-content: center;
        height: 100%;
    }

    .nav-wrapper {
        display: flex;
        width: 70%;
        max-width: 30rem;
    }

    /* Disable checkbox function and hide checkbox */
    .toggler {
        cursor: unset;
        pointer-events: none;
        transform: scale(0);
    }

    /* Hide hamburger menu */
    .hamburger {
        transform: scale(0);
    }

    #nav-menu, 
    #nav-menu div {
        width: 100%;
    }

    #menu {
        display: flex;
        justify-content: space-between;
    }

    #menu a {
        color:var(--clr-primary);
        text-transform: uppercase;
    }

    #social-icons ul li i {
        font-size: 1.5rem
    }

    footer p {
        font-size: 0.8rem;
    }

    /* Hover effect on nav menu */
    .nav-list {
        text-decoration: none;
        padding: 0.5rem 0.6rem;
        position: relative;
    }

    .nav-list::before, .nav-list::after {
        content:"";
        width: 0;
        height: 1px;
        position: absolute;
        transition: all 0.2s ease-in-out;
        background: var(--clr-primary);
    }

    span::before, span::after{
        content:"";
        width:1px;
        height:0;
        position: absolute;
        transition: all 0.2s ease-in-out;
        background: var(--clr-primary);
    }

    .nav-list:hover::before, 
    .nav-list:hover::after,
    .nav-list:focus::before, 
    .nav-list:focus::after {
        width: 100%;
    }

    .nav-list:hover span::before, 
    .nav-list:hover span::after,
    .nav-list:focus span::before, 
    .nav-list:focus span::after {
        height: 100%;
    }

    .nav-animation::after {
        left:0;
        bottom: 0;
        transition-duration: 0.3s;
    }

    .nav-animation span::after {
        right:0;
        top: 0;
        transition-duration: 0.3s;
    }

    .nav-animation::before {
        right: 0;
        top: 0;
        transition-duration: 0.3s;
    }

    .nav-animation span::before {
        left: 0;
        bottom: 0;
        transition-duration: 0.3s;
    }    
}

/* ------------------------------------ */
/* Footer on tablet and desktop version */ 
/* ------------------------------------ */
@media only screen and (min-width: 490px) {
    footer {
        flex-wrap: nowrap;
        display: flex;
        justify-content: space-between;
    }

    #social-icons {
        order: 1;
    }
    
    #copyright {
        display: flex;
        align-items: center;
        margin-left: 1rem;
    }

    #copyright p {
        margin-bottom: 0;
    }
}