header,
footer {
    font-family: var(--primaryFont);
    padding: 2.5rem 2rem;
    filter: drop-shadow(0 0 8px var(--lightAccent));
}

:where(header, footer) a {
    text-decoration: none;

    &.active {
        font-weight: bold;
    }
}

:where(header, footer) nav ul {
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0rem 1.5rem;
    padding: 0;
    margin: 0;
}

:where(header, footer) a:hover {
    text-decoration: underline;
}

:where(header, footer) svg {
    fill: currentColor;
}

header {
    background: repeating-linear-gradient(
            -55deg,
            transparent,
            transparent 20px,
            var(--accent) 20px,
            var(--accent) 40px
    ), linear-gradient(to bottom, var(--accent), var(--lightAccent) 300%);
    color: var(--darker);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 4;
}

@media (min-width: 48rem) {
    header {
        justify-content: center;
        flex-wrap: wrap;
        height: auto;
    }
}

.site-title {
    font-family: var(--accentFont);
    font-size: 2.1rem;
    line-height: 1;
    color: inherit;
    text-align: center;
    margin: 0;
    display: block;
    font-weight: bold;
    text-shadow: 2px 2px 1px rgba(0, 0, 0, 0.25);

    @media (min-width: 48rem) {
        width: 100%;
        font-size: 1.8rem;
    }
}

.menu-button {
    margin: 0;
    background: transparent !important;
    color: inherit;
    padding: 0;
    border: 0;
    width: 2rem;
}

@media (min-width: 48rem) {
    .menu-button {
        display: none;
    }
}

.main-nav {
    position: fixed;
    z-index: 5;
    top: 0;
    left: 0;
    transform: translateY(100vh);
    visibility: hidden;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    opacity: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--darker);
    color: var(--paper);
    transition: all 0.25s cubic-bezier(0.785, 0.135, 0.15, 0.86);
}

.main-nav.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: unset;
    visibility: unset;
}

.main-nav.open li {
    --delay: 0.1s;
    opacity: 0;
    animation: slide_in_left 0.2s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
}

.main-nav a {
    color: inherit;
}

.main-nav li:nth-of-type(1) {
    animation-delay: calc(var(--delay) * 1);
}

.main-nav li:nth-of-type(2) {
    animation-delay: calc(var(--delay) * 2);
}

.main-nav li:nth-of-type(3) {
    animation-delay: calc(var(--delay) * 3);
}

.main-nav li:nth-of-type(4) {
    animation-delay: calc(var(--delay) * 4);
}

.main-nav li:nth-of-type(5) {
    animation-delay: calc(var(--delay) * 5);
}

.main-nav li:nth-of-type(6) {
    animation-delay: calc(var(--delay) * 6);
}

.main-nav li:nth-of-type(7) {
    animation-delay: calc(var(--delay) * 7);
}

.main-nav li:nth-of-type(8) {
    animation-delay: calc(var(--delay) * 8);
}

.menu-button {
    position: absolute;
    top: 2rem;
    right: 2rem;
}

.main nav ul li {
    font-size: 1.2rem;
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: calc(0.2rem + 2vh);
}

@media (min-width: 48rem) {
    header .main-nav {
        opacity: 1;
        transform: none;
        position: unset;
        height: auto;
        width: auto;
        background: unset;
        pointer-events: unset;
        visibility: unset;
        color: inherit;
    }

    header .main-nav ul {
        margin: 1rem auto 0;
        padding-top: 0.5rem;
        border-top: 1px solid var(--dark);
        width: max-content;
    }

    header .main-nav li {
        font-size: inherit;
        display: initial;
        width: initial;
        text-align: initial;
        margin-bottom: 0;
    }
}

footer {
    background: linear-gradient(0deg, var(--darker) 0%, var(--dark) 300%);
    color: var(--paper);
    display: grid;
    grid-template-columns: 100%;
    align-items: stretch;
    gap: 2rem;
    z-index: 3;
}

@media (min-width: 48rem) {
    footer {
        grid-template-columns: 1fr 1fr 2fr;
    }

    .menu-button {
        display: none;
    }
}

footer p {
    margin: 0;
    font-size: 0.8rem;
}

footer a {
    color: inherit;
}

footer nav {
    display: initial;
}

@media (min-width: 48rem) {
    footer nav {
        border-right: 1px solid var(--dark);
    }
}

footer ul {
    display: initial;
}

footer ul li + li {
    margin-top: 0.5rem;
}

.skip-to-content-link {
    position: absolute;
    top: -6rem;
    left: 0;
    padding: 0.5em;
    opacity: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 3rem;
    background: var(--darker);
    color: var(--background);
}

.skip-to-content-link:focus {
    transform: translateY(6rem);
    opacity: 1;
    z-index: 11;
}