p.nav-brand {
    line-height: 88px;
    padding: 0;
    padding-left: 50px;
    margin: 0;
    margin-right: 88px;

    font-size: 25px;
    font-weight: bold;
}

@media (max-width: 500px) {
    .nav-brand-container {
        display: table;

        margin-right: 88px;
    }

    p.nav-brand {
        padding-left: 25px;
        display: table-cell;
        vertical-align: middle;

        line-height: 44px;

        margin: 0;
    }
}

@media (min-width: 850px) {
    p.nav-brand {
        font-size: 50px;
    }
}

#nav-toggle {
    display: none;
}

#nav-toggle-label {
    position: absolute;
    top: 20px;
    right: 20px;

    z-index: 10;

    width: 48px;
    height: 48px;
    box-sizing: border-box;

    border-radius: 8px;
    background-color: var(--primary-bg-color);

    border: 5px solid var(--primary-bg-color);

    cursor: pointer;

    transition: 500ms;
}

#nav-toggle-label span {
    position: absolute;
    top: 16px;
    right: 4px;

    width: 30px;
    height: 6px;

    border-radius: 3px;
    background-color: var(--secondary-bg-color);

    transition: 500ms;
}

#nav-toggle-label span:first-child {
    top: 2px;
}

#nav-toggle-label span:last-child {
    top: 30px;
}

#nav-toggle:checked ~ label:hover {
    border-color: var(--secondary-bg-color);
    background-color: var(--primary-bg-color);
}

#nav-toggle:checked ~ label:hover span {
    background-color: var(--secondary-bg-color);
}

#nav-toggle-label:hover, #nav-toggle:checked ~ label {
    background-color: var(--secondary-bg-color);
    border-color: var(--secondary-bg-color);
}

#nav-toggle-label:hover span, #nav-toggle:checked ~ label span {
    background-color: var(--primary-bg-color);
}

#nav-toggle:checked ~ label span {
    top: 16px;
}

#nav-toggle:checked ~ label span:first-child, #nav-toggle:checked ~ label span:nth-child(2) {
    transform: rotate(45deg);
}

#nav-toggle:checked ~ label span:last-child, #nav-toggle:checked ~ label span:nth-child(3) {
    transform: rotate(-45deg);
}

#nav-list {
    position: absolute;
    top: -100%;
    left: 0;

    z-index: 9;

    width: 100%;
    height: 100%;
    overflow: auto;

    background-color: var(--primary-bg-color);

    transition: 500ms;

    margin: 0;
    padding: 0;
}

#nav-toggle:checked ~ #nav-list {
    top: 0;
}

#nav-list li:first-child {
    margin-top: 88px;
}

#nav-list li:last-child {
    margin-bottom: 88px;
}

#nav-list li {
    text-align: center;
    color: var(--secondary-bg-color);
    font-size: 36px;
}

#nav-list li a {
    display: inline-block;
    width: calc(100% - 30px);

    padding: 20px 15px;

    transition: 500ms;
}

#nav-list li a:hover {
    background-color: var(--secondary-bg-color);
    color: var(--primary-bg-color);
}

/* project navigation list */
@media (orientation: portrait) {
    #project-nav-toggle-label {
        display: none;
    }
}

#project-nav-toggle {
    display: none;
}

#project-nav-toggle-label {
    position: absolute;

    bottom: 0;
    right: 10%;

    background-color: var(--primary-bg-color);

    width: 51px;
    height: 50px;

    z-index: 5;

    border-top-left-radius: 10px;
    border-top-right-radius: 10px;

    cursor: pointer;
}

#project-nav-toggle-label span {
    background-color: var(--secondary-bg-color);

    height: 36px;
    width: 6px;

    position: absolute;

    bottom: 7px;

    z-index: 901;

    border-radius: 3px;

    transition: 500ms;
}

#project-nav-toggle-label span:first-child {
    left: 16px;

    transform: rotate(25deg);
}

#project-nav-toggle-label span:last-child {
    left: 30px;

    transform: rotate(-25deg);
}

#project-nav-toggle-label:hover {
    background-color: var(--secondary-bg-color);
}

#project-nav-toggle-label:hover span {
    background-color: var(--primary-bg-color);
}

#project-nav-toggle:checked ~ #project-nav-toggle-label {
    border-radius: 0;
}

#project-nav-toggle:checked ~ #project-nav-toggle-label span:first-child {
    transform: rotate(-205deg);
}

#project-nav-toggle:checked ~ #project-nav-toggle-label span:last-child {
    transform: rotate(-155deg);
}

#projects-list {
    position: absolute;
    display: none;
    right: 10%;
    bottom: -100%;

    transition: 500ms;

    border-radius: 15px;
    border-bottom-right-radius: 0px;

    padding: 25px;
    margin: 0;

    background-color: var(--primary-bg-color);
    color: white;
    list-style-type: none;

    font-size: 24px;

    z-index: 905;
}

#project-nav-toggle:checked ~ #projects-list {
    bottom: 50px;

    display: inherit;
}

#projects-list li {
    padding: 10px 0;
}