:root {
    --background: #000000;
    --text-primary: rgba(255, 255, 255, 0.94);
    --text-secondary: rgba(255, 255, 255, 0.62);
    --text-muted: rgba(255, 255, 255, 0.28);
    --text-ghost: rgba(255, 255, 255, 0.07);
    --text-fold: rgba(255, 255, 255, 0.085);
    --font-sans: Inter, "Helvetica Neue", Arial, sans-serif;
    --site-pad-x: clamp(1.25rem, 4vw, 4rem);
    --site-pad-y: clamp(1.15rem, 3.5vh, 2.8rem);
    --stage-height: clamp(33rem, 58vh, 44rem);
    color-scheme: dark;
}

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

html {
    background: var(--background);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-kerning: normal;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--background);
    color: var(--text-primary);
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.background-media {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    background: #000;
}

.background-media__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    filter: grayscale(0.92) contrast(1.04) brightness(0.58) saturate(0.82);
    transform: scale(1.035);
}

.background-media__veil {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.42) 0%, rgba(0, 0, 0, 0.2) 20%, rgba(0, 0, 0, 0.28) 54%, rgba(0, 0, 0, 0.54) 100%),
        radial-gradient(circle at 18% 18%, rgba(0, 0, 0, 0.12), transparent 30%),
        radial-gradient(circle at 74% 62%, rgba(0, 0, 0, 0.16), transparent 34%),
        linear-gradient(90deg, rgba(0, 0, 0, 0.1) 0%, transparent 16%, transparent 84%, rgba(0, 0, 0, 0.12) 100%);
}

.background-audio-toggle {
    position: fixed;
    right: clamp(1rem, 2vw, 1.8rem);
    bottom: clamp(1rem, 2.4vw, 1.8rem);
    z-index: 120;
    padding: 0.72rem 1rem 0.78rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(0, 0, 0, 0.7);
    color: rgba(255, 255, 255, 0.9);
    font: inherit;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    backdrop-filter: blur(6px);
}

.background-audio-toggle[hidden] {
    display: none;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

body::before {
    background:
        linear-gradient(90deg, transparent 49.92%, rgba(255, 255, 255, 0.018) 50%, transparent 50.08%),
        radial-gradient(circle at 50% 52%, rgba(255, 255, 255, 0.024), transparent 34%);
    opacity: 0.14;
}

body::after {
    background:
        linear-gradient(136deg, transparent 0%, rgba(255, 255, 255, 0.014) 48%, transparent 54%),
        linear-gradient(180deg, transparent 72%, rgba(255, 255, 255, 0.012) 100%);
    opacity: 0.16;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site {
    position: relative;
    z-index: 3;
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: clamp(0.7rem, 1.4vh, 1.2rem);
    padding: var(--site-pad-y) var(--site-pad-x);
    isolation: isolate;
}

.reference-image-layer {
    position: absolute;
    inset: 15vh 18vw 11vh 38vw;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    background-image: var(--reference-image, none);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    mix-blend-mode: screen;
    filter: grayscale(1) contrast(1.04) brightness(0.08);
    mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.28) 54%, transparent 80%);
    transition: opacity 700ms ease;
}

body.has-reference-image .reference-image-layer {
    opacity: 0.05;
}

.site-header,
.orbit-stage,
.site-footer {
    position: relative;
    z-index: 2;
}

.site-header {
    max-width: 13rem;
    padding-top: 0.08rem;
}

.site-header__kicker {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.site-header__title {
    margin: 0.22rem 0 0;
    font-size: clamp(1.5rem, 1.4vw + 1rem, 2rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 0.96;
}

.site-header__intro {
    margin: 0.48rem 0 0;
    max-width: 11rem;
    color: var(--text-secondary);
    font-size: clamp(0.84rem, 0.4vw + 0.78rem, 0.94rem);
    line-height: 1.32;
}

.orbit-stage {
    position: relative;
    min-height: var(--stage-height);
    overflow: hidden;
}

.orbit-stage::before,
.orbit-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.orbit-stage::before {
    background:
        radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.026), transparent 19%),
        radial-gradient(circle at 25% 29%, rgba(255, 255, 255, 0.015), transparent 17%),
        radial-gradient(circle at 77% 67%, rgba(255, 255, 255, 0.014), transparent 20%);
    opacity: 0.42;
}

.orbit-stage::after {
    background:
        linear-gradient(90deg, transparent 49.84%, rgba(255, 255, 255, 0.018) 50%, transparent 50.16%),
        linear-gradient(118deg, transparent 0%, rgba(255, 255, 255, 0.018) 48%, transparent 54%) 16% 16% / 58% 1px no-repeat;
    opacity: 0.28;
}

.orbit-stage__fold {
    position: absolute;
    top: 4%;
    bottom: 4%;
    left: 50%;
    width: 1px;
    transform: translateX(-50%);
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(255, 255, 255, 0.024) 10%,
        rgba(255, 255, 255, 0.07) 44%,
        rgba(255, 255, 255, 0.042) 58%,
        transparent 100%
    );
    opacity: 0.54;
    pointer-events: none;
}

.orbit-stage__veil {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.orbit-stage__veil::before,
.orbit-stage__veil::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.orbit-stage__veil--layer-back {
    z-index: 32;
}

.orbit-stage__veil--layer-mid {
    z-index: 52;
}

.orbit-stage__veil--layer-front {
    z-index: 72;
}

.orbit-stage__veil--layer-back::before {
    top: 18%;
    left: 10%;
    width: 44%;
    height: 5.5%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.7) 22%,
        rgba(0, 0, 0, 0.72) 78%,
        transparent 100%
    );
}

.orbit-stage__veil--layer-back::after {
    left: 16%;
    bottom: 30%;
    width: 18%;
    height: 8%;
    background: linear-gradient(
        135deg,
        transparent 0%,
        rgba(0, 0, 0, 0.66) 24%,
        rgba(0, 0, 0, 0.72) 82%,
        transparent 100%
    );
    clip-path: polygon(8% 0, 100% 10%, 88% 100%, 0 82%);
}

.orbit-stage__veil--layer-mid::before {
    top: 15%;
    left: 47.2%;
    width: 6.8%;
    height: 45%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(0, 0, 0, 0.74) 18%,
        rgba(0, 0, 0, 0.8) 82%,
        transparent 100%
    );
}

.orbit-stage__veil--layer-mid::after {
    left: 56%;
    bottom: 20%;
    width: 23%;
    height: 8%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.68) 28%,
        rgba(0, 0, 0, 0.76) 100%
    );
}

.orbit-stage__veil--layer-front::before {
    top: 26%;
    right: 12%;
    width: 15%;
    height: 8.5%;
    background: linear-gradient(
        140deg,
        transparent 0%,
        rgba(0, 0, 0, 0.6) 26%,
        rgba(0, 0, 0, 0.72) 86%,
        transparent 100%
    );
    clip-path: polygon(12% 0, 100% 8%, 90% 86%, 0 100%, 6% 20%);
}

.orbit-stage__veil--layer-front::after {
    left: 58%;
    bottom: 8%;
    width: 30%;
    height: 8%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.58) 30%,
        rgba(0, 0, 0, 0.72) 100%
    );
}

.orbit-slice-system {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 84;
    overflow: hidden;
}

.orbit-slice {
    position: absolute;
    overflow: hidden;
    pointer-events: none;
    contain: layout paint style;
    backface-visibility: hidden;
}

.orbit-slice__layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    will-change: transform, opacity;
    transform-origin: center;
    backface-visibility: hidden;
}

.orbit-slice__layer--a {
    mix-blend-mode: normal;
}

.orbit-slice__layer--b {
    mix-blend-mode: screen;
}

.orbit-slice__layer--c {
    mix-blend-mode: screen;
}

.orbit-slice__content {
    position: absolute;
    inset: auto auto auto auto;
    pointer-events: none;
    will-change: transform;
    transform-origin: top left;
}

.orbit-slice__content.site {
    z-index: auto;
    isolation: isolate;
}

.orbit-slice__content .reference-image-layer,
.orbit-slice__content .orbit-stage__veil {
    display: none !important;
}

.orbit-slice__content .site-footer {
    display: none !important;
}

.orbit-slice__content .orbit-line__fragment-track {
    opacity: calc(var(--orbit-fragment-opacity) * 0.54);
}

.orbit-line {
    position: absolute;
    left: 0;
    top: 0;
    pointer-events: none;
    isolation: isolate;
    --orbit-line-opacity: 0.8;
    --orbit-fragment-opacity: 0.06;
}

.orbit-line__track {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    z-index: 1;
}

.orbit-line__fragment-track {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 2;
    opacity: var(--orbit-fragment-opacity);
    mix-blend-mode: screen;
}

.orbit-line__word {
    position: absolute;
    left: 0;
    top: 0;
    display: inline-block;
    color: var(--orbit-tone, var(--text-primary));
    font-size: calc(var(--orbit-size, 1rem) * var(--orbit-scale, 1));
    font-weight: var(--orbit-weight, 450);
    letter-spacing: var(--orbit-tracking, -0.024em);
    line-height: 0.96;
    white-space: nowrap;
    transform-origin: center;
    will-change: transform;
    font-kerning: normal;
    font-feature-settings: "kern" 1;
    text-rendering: geometricPrecision;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    opacity: var(--orbit-line-opacity);
}

.orbit-line__word--echo {
    opacity: 1;
    color: rgba(255, 255, 255, 0.68);
}

.orbit-line--primary .orbit-line__word {
    --orbit-tone: var(--text-primary);
}

.orbit-line--secondary .orbit-line__word {
    --orbit-tone: rgba(255, 255, 255, 0.78);
}

.orbit-line--satellite .orbit-line__word {
    --orbit-tone: rgba(255, 255, 255, 0.35);
    --orbit-weight: 500;
    --orbit-tracking: 0.01em;
}

.orbit-line--system .orbit-line__word {
    --orbit-size: clamp(1.03rem, 0.76vw + 0.84rem, 1.34rem);
    --orbit-weight: 500;
}

.orbit-line--carrier .orbit-line__word {
    --orbit-size: clamp(1.08rem, 0.94vw + 0.84rem, 1.52rem);
    --orbit-weight: 500;
    --orbit-tracking: -0.034em;
}

.orbit-line--mangel .orbit-line__word {
    --orbit-size: clamp(1rem, 0.68vw + 0.84rem, 1.24rem);
}

.orbit-line--akten .orbit-line__word,
.orbit-line--doubts-en .orbit-line__word {
    --orbit-size: clamp(0.98rem, 0.6vw + 0.8rem, 1.16rem);
}

.orbit-line--erziehung .orbit-line__word,
.orbit-line--scarcity .orbit-line__word,
.orbit-line--files-en .orbit-line__word,
.orbit-line--socialism-en .orbit-line__word {
    --orbit-size: clamp(0.94rem, 0.46vw + 0.82rem, 1.08rem);
}

.orbit-line--rhythmus .orbit-line__word,
.orbit-line--fragment .orbit-line__word,
.orbit-line--wiederholung .orbit-line__word,
.orbit-line--wahrnehmungsraum .orbit-line__word {
    --orbit-size: clamp(0.74rem, 0.18vw + 0.72rem, 0.86rem);
}

.orbit-line[data-layer="layer-back"] .orbit-line__fragment-track {
    clip-path: polygon(14% 22%, 48% 22%, 48% 27%, 14% 27%);
}

.orbit-line[data-layer="layer-mid"] .orbit-line__fragment-track {
    clip-path: polygon(48% 18%, 56% 18%, 56% 58%, 48% 58%);
}

.orbit-line[data-layer="layer-front"] .orbit-line__fragment-track {
    clip-path: polygon(60% 80%, 82% 76%, 88% 100%, 54% 100%);
}

.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1.4rem;
    padding-bottom: calc(0.18rem + env(safe-area-inset-bottom, 0px));
    z-index: 96;
    isolation: isolate;
}

.site-footer__etymology,
.site-footer__credit,
.site-footer__link {
    margin: 0;
    max-width: 14rem;
    color: var(--text-muted);
    font-size: 0.74rem;
    line-height: 1.42;
}

.site-footer__meta {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.site-footer__link {
    display: inline-block;
    color: rgba(255, 255, 255, 0.34);
    font-size: clamp(0.68rem, 0.08vw + 0.66rem, 0.74rem);
    letter-spacing: 0.02em;
    text-align: right;
    text-decoration: none;
    transition: color 160ms ease;
}

.site-footer__etymology {
    max-width: min(41rem, 58vw);
    color: rgba(255, 255, 255, 0.44);
    font-size: clamp(0.68rem, 0.12vw + 0.66rem, 0.78rem);
    font-weight: 400;
    letter-spacing: 0.01em;
    text-wrap: pretty;
}

.site-footer__credit {
    display: inline-block;
    max-width: 15rem;
    text-transform: none;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
    color: rgba(255, 255, 255, 0.5);
}

.site-footer__link:focus-visible {
    outline: none;
}

@media (max-width: 1120px) {
    :root {
        --stage-height: clamp(31rem, 56vh, 40rem);
    }

    .reference-image-layer {
        inset: 18vh 12vw 12vh 33vw;
    }

    .site-header {
        max-width: 12.4rem;
    }
}

@media (max-width: 760px) {
    :root {
        --site-pad-x: clamp(1rem, 5vw, 1.4rem);
        --site-pad-y: clamp(1rem, 4vh, 1.5rem);
        --stage-height: clamp(52rem, 146vw, 74rem);
    }

    body::before {
        opacity: 0.12;
    }

    .reference-image-layer {
        inset: 22vh 9vw auto 18vw;
        height: 34vh;
    }

    .site {
        gap: 1.15rem;
    }

    .site-header {
        max-width: 12rem;
    }

    .site-header__title {
        font-size: clamp(1.44rem, 6.2vw, 1.84rem);
    }

    .site-header__intro {
        max-width: 10.25rem;
        font-size: 0.86rem;
    }

    .orbit-stage::after {
        opacity: 0.24;
    }

    .orbit-stage__fold {
        top: 2%;
        bottom: 2%;
        opacity: 0.36;
    }

    .orbit-stage__veil--layer-back::before {
        top: 19%;
        width: 52%;
    }

    .orbit-stage__veil--layer-mid::before {
        left: 44%;
        width: 11%;
        height: 40%;
    }

    .orbit-stage__veil--layer-front::after {
        left: 48%;
        width: 40%;
        height: 7%;
    }

    .orbit-line__fragment-track {
        opacity: calc(var(--orbit-fragment-opacity) * 0.58);
    }

    .orbit-line--satellite .orbit-line__word {
        --orbit-tone: rgba(255, 255, 255, 0.28);
    }

    .site-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 0.55rem;
    }

    .site-footer__etymology {
        max-width: min(100%, 30rem);
    }

    .site-footer__meta {
        align-self: flex-end;
        flex-direction: column;
        align-items: flex-end;
        gap: 0.3rem;
    }

    .site-footer__credit,
    .site-footer__link {
        max-width: 100%;
        text-align: right;
    }

    .background-audio-toggle {
        right: 1rem;
        left: 1rem;
        bottom: 1rem;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .reference-image-layer,
    .orbit-line__word {
        transition: none !important;
        animation: none !important;
    }
}