html {
    background: #000;
}
body {
    background: #fff;
}

.publications-header {
    padding: calc(5vh + 40px) 0 8vh 0;
    background: #000;
    color: #fff;
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.publications-nav {
    width: 100%;
    max-width: 1280px;
}
.publications-nav ul {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
    gap: 40px;
}
@media (max-width: 767px) {
    .publications-nav ul {
        gap: 20px;
    }
    .publications-nav ul li a {
        font-size: 12px;
    }
}
.publications-nav li {
    display: block;
    mix-blend-mode: screen;
    max-width: 40vw;
}
.publications-nav li a {
    display: block;
    font-family: var(--font-title);
    font-size: 26px;
    letter-spacing: 0.04em;
}
.publications-nav a {
    display: block;
    text-align: center;
    transition: transform .3s;
    transform: scale(0.8);
}
.publications-nav a img {
    margin-bottom: 24px;
}
.publications-nav a:hover {

}
.publications-nav a.current-page {
    transform: scale(1);
}


/*
.publications-nav ul {
    perspective: 60cm;
    perspective-origin: 50% 75%;
    transform-style: preserve-3d;
}
.publications-nav li {
    transition: transform .3s, opacity .3s;
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate3d(-50%, 0, -2000px);
}
*/

@media (max-width: 480px) {
    .publications-nav li {
        max-width: 42vw;
    }
}




.video-features-section .headline {
    text-align: center;
    padding-bottom: 1em;
}


.video-features {
    display: grid;
    grid-gap: 40px;
}
.video-feature {
}
.video-feature a {
    display: block;
    box-shadow: 0 3px 6px rgba(0,0,0,0.2);
    transition: transform .3s;
    position: relative;
}
.video-feature a:hover,
.video-feature a:focus {
    transform: scale(1.03);
}
.video-feature .duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.8);
    border-radius: 4px;
    color: #fff;
    font-size: 18px;
    line-height: 1;
    padding: 6px 6px 2px 6px;
}
@media (min-width: 768px) {
    .video-features {
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 60px;
    }
}


#page-content {
    transition: opacity .3s;
}



.tiktok-section {
    padding: var(--section-padding) 0;
    font-size: 14px;
    letter-spacing: 0.04em;
    color: rgba(0,0,0,0.7);
    text-align: center;
}
.tiktok-section .content-wrapper {
    max-width: 440px;
}
.tiktok-section .tiktok-logo {
    max-width: 200px;
    margin: 0 auto;
    filter: drop-shadow(8px 0 20px rgba(158, 193, 234, 0.75));
}
.tiktok-section .headline {
    font-size: 35px;
    font-size: min(35px, 7.8vw);
    margin-bottom: 0.5em;
    color: #000;
}
.tiktok-section p {
    max-width: 280px;
    margin: 0 auto;
}
.tiktok-section .button {
    width: fit-content;
    margin: 24px auto 0;
}




.book-contents {
    padding: 0;
    overflow: hidden;
    box-sizing: content-box;
    height: 300px;
    position: relative;
    max-width: 1320px;
    margin: var(--section-padding) auto;
}
.book-contents::before {
    content: "";
    position: absolute;
    display: block;
    left: 0;
    width: 100%;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, #fff, rgba(255,255,255,0) 20%, rgba(255,255,255,0) 80%, #fff);
    z-index: 3;
}
.book-contents .__inner {
    display: flex;
    position: absolute;
    width: max-content;
    animation: slide 60s linear infinite;
}
@keyframes slide {
    100% {
        transform: translate(-50%, 0);
    }
}
@media (max-width: 768px) {
    .book-contents {
        height: 120px;
    }
    .book-contents img {
        width: auto;
        height: 120px;
    }
}