/* *,
*::after,
*::before {
    box-sizing: border-box;
} */

/* :root {
    font-size: 18px;
    --color-text: #fff;
    --color-bg: #000;
    --color-link: #fff;
    --color-link-hover: #fff;
} */

body {
    margin: 0;
    /* color: var(--color-text);
    background-color: var(--color-bg);
    font-family: area-normal, -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale; */
    width: 100%;
    height: 100vh;
    overflow: hidden;
    touch-action: none;
}

/* Page Loader */
.js .loading::before,
.js .loading::after {
    content: '';
    position: fixed;
    z-index: 1000;
}

.js .loading::before {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f0f0f0;
}

.js .loading::after {
    top: 50%;
    left: 50%;
    width: 20vw;
    aspect-ratio: 0.75;
    transform: translate3d(-50%, -50%, 0);
    background-color: #f0f0f0;
    animation: loaderAnim 1s linear infinite alternate forwards;

}

@keyframes loaderAnim {
    to {
        background-color: #ccc;
    }
}

a {
    text-decoration: none;
    color: var(--color-link);
    outline: none;
    cursor: pointer;
}

a:hover {
    color: var(--color-link-hover);
    outline: none;
}

/* Better focus styles from https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-visible */
a:focus {
    /* Provide a fallback style for browsers
	 that don't support :focus-visible */
    outline: none;
    background: lightgrey;
}

a:focus:not(:focus-visible) {
    /* Remove the focus indicator on mouse-focus for browsers
	 that do support :focus-visible */
    background: transparent;
}

a:focus-visible {
    /* Draw a very noticeable focus style for
	 keyboard-focus on browsers that do support
	 :focus-visible */
    outline: 2px solid red;
    background: transparent;
}

.unbutton {
    background: none;
    border: 0;
    padding: 0;
    margin: 0;
    font: inherit;
    color: inherit;
    cursor: pointer;
}

.unbutton:focus {
    outline: none;
}

main {
    display: grid;
    grid-template-areas: 'main';
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    place-items: center;
}

.frame {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    color: var(--color-title);
    padding: 1rem;
    font-size: 13px;
    font-weight: 600;
    display: grid;
    grid-template-columns: 100%;
    grid-template-areas: 'title' 'demos' 'credits' 'sponsor';
    justify-content: start;
    align-content: space-between;
    align-items: start;
    z-index: 100;
    pointer-events: none;
    grid-gap: 0.5rem;
}

.frame a {
    pointer-events: auto;
}

.frame a:not(.frame__demo) {
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.frame a:not(.frame__demo)::before {
    content: '';
    height: 1px;
    width: 100%;
    background: currentColor;
    position: absolute;
    top: 90%;
    transition: transform 0.3s;
    transform-origin: 0% 50%;
}

.frame a:not(.frame__demo):hover::before {
    transform: scaleX(0);
    transform-origin: 100% 50%;
}

.frame__title {
    grid-area: title;
    display: flex;
    align-items: flex-end;
}

.frame strong {
    font-weight: 800;
}

.frame__title-main {
    font-size: inherit;
    margin: 0;
    font-weight: inherit;
}

.frame__demos {
    grid-area: demos;
}

a.frame__demo {
    margin: 0 0 0 1rem;
    text-decoration: none;
}

.frame__demo--current {
    font-weight: bold;
    color: var(--color-link-hover);
}

.frame__credits {
    grid-area: credits;
    display: flex;
    gap: 1rem;
}

.type {
    grid-area: main;
    display: grid;
    place-items: center;
    pointer-events: none;
    z-index: 100;
}

.type__item {
    text-align: center;
    font-size: 11pt;
    /* font-size: clamp(2rem, 14vw, 7rem); */
    grid-area: 1 / 1 / -1 / -1;
    opacity: 0;
    line-height: 1.5;
}

.type__item--current {
    opacity: 0;
}

.char-wrap {
    display: inline-block;
    position: relative;
    overflow: hidden;
    display: inline-flex;
}

.type__item.splitting .char {
    line-height: 1.5;
    padding-bottom: 0.3em;
}

.slider {
    grid-area: main;
    position: relative;
    overflow: hidden;
    display: grid;
    place-items: center;
    width: 100%;
    height: 100vh;
}

.slider__item {
    grid-area: 1 / 1 / -1 / -1;
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: grid;
    place-items: center;
    opacity: 0;
    pointer-events: none;
}

.slider__item--current {
    opacity: 1;
    pointer-events: auto;
    z-index: 50;
}

.slider__item-inner {
    position: relative;
    width: 120%;
    height: 120%;
    display: grid;
    place-items: center;
    grid-area: 1 / 1 / -1 / -1;
    background-size: cover;
    background-position: 50% 50%;
}

.slider--bg {
    z-index: 1;
}

.demo-2 .slider--bg {
    -webkit-filter: contrast(0.6) saturate(2);
    filter: contrast(0.6) saturate(2);
}

.slider--fg {
    position: absolute;
    width: 20vw;
    min-width: 200px;
    aspect-ratio: 0.75;
    height: auto;
    z-index: 2;
}

.content {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.content-open .content {
    overflow: auto;
}

.content__inner {
    position: relative;
    display: grid;
    gap: 4vh;
    padding: 8rem 10vw 0;
    max-width: 1200px;
}

.content__title {
    font-size: clamp(3rem, 9vw, 20rem);
    font-weight: 600;
    margin: 0;
    line-height: 1;
}

.content__subtitle {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.content__text {
    margin-top: 10vh;
    max-width: 500px;
}

.slider-nav {
    position: fixed;
    padding: 1rem;
    width: 100%;
    line-height: 1;
    display: grid;
    grid-template-areas: 'prev next';
    bottom: 0;
    right: 0;
    z-index: 2;
    justify-content: space-between;
}

.slider-nav__item {
    line-height: 1.5;
    position: relative;
    text-transform: lowercase;
    display: block;
    font-size: clamp(1rem, 6vw, 3rem);
    transition: opacity 0.3s;
}

.slider-nav__item span {
    display: inline-block;
    pointer-events: none;
}

.slider-nav__item:hover {
    opacity: 0.5;
}

.slider-nav__item--prev {
    grid-area: prev;
}

.slider-nav__item--next {
    grid-area: next;
}

.content-open .slider-nav__item--next,
.content-open .slider-nav__item--prev,
.slider-nav__item--back {
    opacity: 0;
    pointer-events: none;
}

.slider-nav__item--back {
    grid-area: next;
}

.content-open .slider-nav__item--back {
    pointer-events: auto;
    opacity: 1;
}

@media screen and (min-width: 53em) {
    .frame {
        height: 100vh;
        grid-gap: 2rem;
        grid-template-columns: auto auto 1fr;
        grid-template-rows: auto auto;
        grid-template-areas: 'title demos sponsor' 'credits ... ... ';
    }

    .frame__demos {
        justify-self: end;
    }

    .slider-nav {
        justify-content: end;
        width: auto;
        padding: 2rem;
        grid-template-areas: 'prev' 'next';
        justify-items: end;
    }

    .slider-nav__item {
        line-height: 1;
    }

    .slider-nav__item--prev {
        margin-right: 5vw;
    }
}