:root {
    color-scheme: dark;
    --bg: #070a14;
    --panel: #0d1222;
    --ink: #f7f8ff;
    --muted: rgba(238, 242, 255, 0.62);
    --line: rgba(255, 255, 255, 0.14);
    --blue: #7dd3fc;
    --lavender: #a5b4fc;
    --pink: #f0abfc;
    --ease: cubic-bezier(0.22, 0.9, 0.3, 1);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    min-height: 100%;
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: clip;
    color: var(--ink);
    background:
        radial-gradient(circle at 72% 10%, rgba(125, 211, 252, 0.08), transparent 28rem),
        var(--bg);
    font-family: "Inter", "SF Pro Display", "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

::selection {
    color: #070a14;
    background: var(--blue);
}

:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 100;
    padding: 10px 14px;
    border-radius: 999px;
    color: #070a14;
    background: #fff;
    transform: translateY(-180%);
    transition: transform 180ms ease;
}

.skip-link:focus {
    transform: none;
}

.site-nav {
    position: fixed;
    top: max(16px, env(safe-area-inset-top));
    right: max(16px, env(safe-area-inset-right));
    left: max(16px, env(safe-area-inset-left));
    z-index: 50;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: auto;
    max-width: 1180px;
    margin-inline: auto;
    min-height: 56px;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(8, 12, 24, 0.68);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.1), 0 22px 60px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(18px) saturate(1.25);
    -webkit-backdrop-filter: blur(18px) saturate(1.25);
    transform: none;
}

.home-link {
    display: inline-flex;
    width: fit-content;
    min-height: 44px;
    align-items: center;
    gap: 9px;
    padding: 0 14px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 700;
    transition: color 180ms ease, background 180ms ease, transform 180ms var(--ease);
}

.home-link:hover,
.home-link:focus-visible {
    color: var(--ink);
    background: rgba(255, 255,255, 0.09);
    transform: translateX(-2px);
}

.nav-title,
.nav-count {
    margin: 0;
    color: var(--muted);
    font-size: 0.66rem;
    font-weight: 750;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.nav-title {
    display: flex;
    align-items: center;
    gap: 9px;
}

.nav-title i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 16px var(--blue);
}

.nav-count {
    justify-self: end;
    padding-right: 14px;
}

.catalog-hero {
    position: relative;
    display: grid;
    min-height: 100svh;
    place-content: center;
    overflow: hidden;
    padding: 140px max(24px, calc((100vw - 1180px) / 2)) 96px;
    isolation: isolate;
}

.catalog-hero::before {
    position: absolute;
    inset: 0;
    z-index: -2;
    content: "";
    opacity: 0.38;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, transparent, #000 20%, #000 74%, transparent);
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 24px;
    color: rgba(247, 248, 255, 0.68);
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.19em;
    text-transform: uppercase;
}

.eyebrow span {
    display: inline-flex;
    min-width: 54px;
    height: 27px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
}

h1 {
    max-width: 1080px;
    margin: 0 0 30px;
    font-size: clamp(4rem, 10.6vw, 10.5rem);
    font-weight: 830;
    line-height: 0.86;
    letter-spacing: -0.075em;
    text-wrap: balance;
}

h1 em {
    color: transparent;
    background: linear-gradient(92deg, #fff 4%, var(--blue) 40%, var(--lavender) 68%, var(--pink));
    background-clip: text;
    -webkit-background-clip: text;
    font-style: normal;
}

.hero-lead {
    max-width: 610px;
    margin: 0 0 32px;
    color: var(--muted);
    font-size: clamp(0.98rem, 1.5vw, 1.12rem);
    line-height: 1.85;
}

.scroll-link {
    display: inline-flex;
    width: fit-content;
    min-height: 48px;
    align-items: center;
    gap: 22px;
    padding: 0 22px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: rgba(247, 248, 255, 0.82);
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.82rem;
    font-weight: 700;
    transition: background 180ms ease, transform 180ms var(--ease);
}

.scroll-link:hover,
.scroll-link:focus-visible {
    color: #070a14;
    background: #fff;
    transform: translateY(-2px);
}

.hero-orbit,
.hero-orbit i {
    position: absolute;
    z-index: -1;
    border: 1px solid rgba(165, 180, 252, 0.13);
    border-radius: 50%;
}

.hero-orbit {
    top: 48%;
    right: -10vw;
    width: min(66vw, 860px);
    aspect-ratio: 1;
    animation: orbit 34s linear infinite;
}

.hero-orbit i:nth-child(1) { inset: 12%; border-color: rgba(125, 211, 252, 0.17); }
.hero-orbit i:nth-child(2) { inset: 29%; border-color: rgba(240, 171, 252, 0.15); }
.hero-orbit i:nth-child(3) {
    top: 4%;
    left: 47%;
    width: 11px;
    height: 11px;
    border: 0;
    background: var(--blue);
    box-shadow: 0 0 26px var(--blue);
}

.catalog {
    width: min(1240px, calc(100% - 40px));
    margin: 0 auto;
    padding: 80px 0 120px;
}

.catalog-heading {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 0 2px 18px;
    border-bottom: 1px solid var(--line);
}

.catalog-heading p {
    margin: 0;
    color: rgba(238, 242, 255, 0.44);
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.experiment-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    padding-top: 22px;
}

.experiment-card {
    --mx: 50%;
    --my: 50%;
    display: block;
    padding: 10px 10px 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 28px;
    background:
        radial-gradient(circle at var(--mx) var(--my), rgba(255, 255, 255, 0.09), transparent 32%),
        rgba(255, 255, 255, 0.035);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.07);
    content-visibility: auto;
    contain-intrinsic-size: auto 560px;
    transition: border-color 250ms ease, background 250ms ease, transform 300ms var(--ease), box-shadow 300ms ease;
}

.experiment-card:hover,
.experiment-card:focus-visible {
    border-color: rgba(255, 255, 255, 0.32);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.11), 0 24px 70px rgba(0, 0, 0, 0.28);
    transform: translateY(-6px);
}

.card-visual {
    position: relative;
    min-height: clamp(250px, 34vw, 430px);
    overflow: hidden;
    border-radius: 20px;
    contain: paint;
    isolation: isolate;
    background: #0b1020;
}

.card-visual::before {
    position: absolute;
    inset: 0;
    z-index: -2;
    content: "";
    background-image: var(--poster);
    background-position: center;
    background-size: cover;
    filter: saturate(0.78) brightness(0.72);
    transform: scale(1.035);
    transition: filter 500ms ease, transform 700ms var(--ease);
}

.experiment-card:hover .card-visual::before,
.experiment-card:focus-visible .card-visual::before {
    filter: saturate(1) brightness(0.9);
    transform: scale(1.09);
}

.card-visual::after {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    background: linear-gradient(155deg, rgba(6, 9, 19, 0.08), rgba(6, 9, 19, 0.6));
}

.card-meta {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 18px;
    align-items: center;
    min-height: 112px;
    padding: 12px 14px;
}

.card-meta > div {
    min-width: 0;
}

.card-number {
    align-self: start;
    padding-top: 5px;
    color: var(--blue);
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
}

.card-meta :is(h2, h3) {
    margin: 0 0 7px;
    overflow-wrap: anywhere;
    font-size: clamp(1.15rem, 2vw, 1.65rem);
    line-height: 1.12;
    letter-spacing: -0.035em;
}

.card-meta p {
    margin: 0;
    color: rgba(238, 242, 255, 0.46);
    font-size: 0.61rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.section-grid {
    padding-top: 0;
}

.card-arrow {
    display: grid;
    width: 42px;
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.7);
    transition: color 180ms ease, background 180ms ease, transform 300ms var(--ease);
}

.experiment-card:hover .card-arrow,
.experiment-card:focus-visible .card-arrow {
    color: #080b14;
    background: #fff;
    transform: rotate(45deg);
}

.fluid-lens {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44%;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 46% 54% 62% 38% / 52% 38% 62% 48%;
    background: rgba(125, 211, 252, 0.12);
    box-shadow: inset 20px 20px 60px rgba(125, 211, 252, 0.18), 0 0 60px rgba(125, 211, 252, 0.12);
    backdrop-filter: blur(8px) saturate(1.4);
    transform: translate(-50%, -50%) rotate(-12deg);
    transition: border-radius 700ms var(--ease), transform 700ms var(--ease);
}

.expanding-frame {
    position: absolute;
    inset: 15%;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 22px;
    box-shadow: 0 0 0 999px rgba(5, 7, 13, 0.52);
    transition: inset 700ms var(--ease), border-radius 700ms var(--ease);
}

.scene-preview i,
.trail-preview i {
    position: absolute;
    background-image: var(--poster);
    background-position: center;
    background-size: cover;
}

.scene-preview i { inset: 0; transition: opacity 550ms ease, transform 800ms var(--ease); }
.scene-preview i:nth-child(1) { opacity: 1; }
.scene-preview i:nth-child(2),
.scene-preview i:nth-child(3) { opacity: 0; transform: scale(1.07); }
.type-preview {
    display: grid;
    align-content: center;
    background:
        linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        #eceeff;
    background-size: 100% 25%;
}

.type-preview span {
    display: block;
    width: max-content;
    color: #090b16;
    font-size: clamp(3rem, 6.8vw, 6.5rem);
    font-weight: 900;
    line-height: 0.78;
    letter-spacing: -0.08em;
    white-space: nowrap;
    transform: translateX(-8%);
    transition: transform 750ms var(--ease);
}

.type-preview span:nth-child(2) { color: #5b55e7; transform: translateX(24%); }
.type-preview span:nth-child(3) { transform: translateX(-18%); }
.balls-preview {
    filter: contrast(18);
    background: #090b18;
}

.balls-preview i {
    position: absolute;
    width: 30%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), var(--pink));
    filter: blur(8px);
    transition: transform 700ms var(--ease);
}

.balls-preview i:nth-child(1) { top: 20%; left: 18%; }
.balls-preview i:nth-child(2) { top: 38%; left: 38%; width: 38%; }
.balls-preview i:nth-child(3) { right: 14%; bottom: 13%; width: 23%; }
.balls-preview i:nth-child(4) { right: 12%; top: 12%; width: 17%; }
.trail-preview {
    background: #ece8df;
}

.trail-preview i {
    top: 50%;
    left: 50%;
    width: 43%;
    aspect-ratio: 4 / 3;
    border: 7px solid #fff;
    box-shadow: 0 16px 44px rgba(12, 15, 25, 0.25);
    transform: translate(-50%, -50%) rotate(var(--r, 0deg));
    transition: transform 700ms var(--ease);
}

.trail-preview i:nth-child(1) { --r: -8deg; }
.trail-preview i:nth-child(2) { --r: 3deg; }
.trail-preview i:nth-child(3) { --r: 10deg; }
/* Lightweight cover motion. Only cards near the viewport are allowed to run. */
.card-visual {
    --preview-play: paused;
}

.experiment-card:is(.is-preview-active, :hover, :focus-visible) .card-visual {
    --preview-play: running;
}

.card-visual,
.card-visual > *,
.card-visual > *::before,
.card-visual > *::after {
    animation-play-state: var(--preview-play) !important;
}

.fluid-lens { animation: cover-fluid 6s ease-in-out infinite alternate; }
.expanding-frame { animation: cover-expand 6.4s var(--ease) infinite; }
.scene-preview i { animation: cover-scene 9s ease-in-out infinite; }
.scene-preview i:nth-child(2) { animation-delay: -6s; }
.scene-preview i:nth-child(3) { animation-delay: -3s; }
.type-preview span { animation: cover-type 6s ease-in-out infinite alternate; }
.type-preview span:nth-child(2) { animation-delay: -2s; }
.type-preview span:nth-child(3) { animation-delay: -4s; }
.balls-preview i { animation: cover-blob 6.8s ease-in-out infinite alternate; }
.balls-preview i:nth-child(2) { animation-delay: -2.2s; }
.balls-preview i:nth-child(3) { animation-delay: -4.4s; }
.balls-preview i:nth-child(4) { animation-delay: -1.1s; }
.trail-preview i { animation: cover-trail 6.2s var(--ease) infinite alternate; }
.trail-preview i:nth-child(2) { animation-delay: -2s; }
.trail-preview i:nth-child(3) { animation-delay: -4s; }

.effect-preview {
    background:
        radial-gradient(circle at 70% 32%, color-mix(in srgb, var(--preview-accent) 22%, transparent), transparent 28%),
        #090d18;
}

.effect-preview > i {
    position: absolute;
    z-index: 2;
    display: block;
    pointer-events: none;
}

.preview-label {
    position: absolute;
    right: 16px;
    bottom: 15px;
    z-index: 8;
    display: inline-flex;
    min-height: 28px;
    align-items: center;
    padding: 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.82);
    background: rgba(5, 8, 16, 0.56);
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    font-size: 0.48rem;
    font-weight: 750;
    letter-spacing: 0.12em;
}

/* 07 — Magnetic cursor */
.preview-magnetic-cursor > i:first-of-type {
    top: 50%;
    left: 50%;
    width: 82px;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    background: radial-gradient(circle at 38% 32%, #fff, var(--preview-accent) 18%, rgba(17, 80, 112, 0.82) 66%, transparent 68%);
    box-shadow: 0 0 42px color-mix(in srgb, var(--preview-accent) 45%, transparent);
    animation: cover-magnet-core 5.6s ease-in-out infinite alternate;
}

.preview-magnetic-cursor > i:nth-of-type(n + 2) {
    width: 26px;
    aspect-ratio: 1;
    border: 1px solid color-mix(in srgb, var(--preview-accent) 75%, transparent);
    border-radius: 50%;
    background: rgba(8, 14, 26, 0.72);
    box-shadow: inset 0 0 14px color-mix(in srgb, var(--preview-accent) 28%, transparent);
    animation: cover-magnet-node 4.8s ease-in-out infinite alternate;
}

.preview-magnetic-cursor > i:nth-of-type(2) { top: 18%; left: 18%; --node-x: 46px; --node-y: 34px; }
.preview-magnetic-cursor > i:nth-of-type(3) { top: 21%; right: 16%; --node-x: -48px; --node-y: 36px; animation-delay: -1s; }
.preview-magnetic-cursor > i:nth-of-type(4) { right: 22%; bottom: 16%; --node-x: -38px; --node-y: -34px; animation-delay: -2s; }
.preview-magnetic-cursor > i:nth-of-type(5) { bottom: 21%; left: 15%; --node-x: 52px; --node-y: -28px; animation-delay: -3s; }
.preview-magnetic-cursor > i:nth-of-type(6) { top: 45%; left: 22%; --node-x: 54px; --node-y: 0px; animation-delay: -4s; }

/* 08 — Crosshair */
.preview-crosshair > i:nth-of-type(1) { top: 0; bottom: 0; left: 50%; width: 1px; background: rgba(255, 255, 255, 0.7); animation: cover-cross-x 5s ease-in-out infinite alternate; }
.preview-crosshair > i:nth-of-type(2) { top: 50%; right: 0; left: 0; height: 1px; background: rgba(255, 255, 255, 0.7); animation: cover-cross-y 5s ease-in-out infinite alternate; }
.preview-crosshair > i:nth-of-type(3),
.preview-crosshair > i:nth-of-type(4) { top: 50%; left: 50%; border-radius: 50%; animation: cover-cross-target 5s ease-in-out infinite alternate; }
.preview-crosshair > i:nth-of-type(3) { width: 92px; aspect-ratio: 1; border: 1px solid var(--preview-accent); box-shadow: 0 0 30px color-mix(in srgb, var(--preview-accent) 28%, transparent); }
.preview-crosshair > i:nth-of-type(4) { width: 9px; aspect-ratio: 1; background: #fff; box-shadow: 0 0 18px var(--preview-accent); }
.preview-crosshair > i:nth-of-type(5),
.preview-crosshair > i:nth-of-type(6) { width: 16px; height: 1px; background: var(--preview-accent); }
.preview-crosshair > i:nth-of-type(5) { top: 24%; left: 18%; transform: rotate(45deg); }
.preview-crosshair > i:nth-of-type(6) { right: 18%; bottom: 24%; transform: rotate(-45deg); }

/* 09 — Direction-aware reveal */
.preview-direction-reveal > i:nth-of-type(1) {
    inset: 12%;
    border-radius: 18px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--preview-accent) 94%, white 6%), rgba(255, 194, 120, 0.9));
    transform-origin: left center;
    animation: cover-reveal 5.8s var(--ease) infinite;
}
.preview-direction-reveal > i:nth-of-type(2) { inset: 12%; border: 1px solid rgba(255, 255, 255, 0.65); border-radius: 18px; }
.preview-direction-reveal > i:nth-of-type(n + 3) { width: 7px; aspect-ratio: 1; border-radius: 50%; background: var(--preview-accent); box-shadow: 0 0 14px var(--preview-accent); }
.preview-direction-reveal > i:nth-of-type(3) { top: 10%; left: 50%; }
.preview-direction-reveal > i:nth-of-type(4) { top: 50%; right: 10%; }
.preview-direction-reveal > i:nth-of-type(5) { bottom: 10%; left: 50%; }
.preview-direction-reveal > i:nth-of-type(6) { top: 50%; left: 10%; }

/* 10 — Direction-aware marquee */
.preview-marquee > i:nth-of-type(-n + 3) {
    left: -18%;
    display: flex;
    width: 136%;
    height: 21%;
    align-items: center;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--preview-accent);
    background: rgba(4, 6, 11, 0.54);
    transform: rotate(-3deg);
}
.preview-marquee > i:nth-of-type(-n + 3)::before { content: "MOTION FIELD · MOTION FIELD · MOTION FIELD ·"; font-size: clamp(1.25rem, 3vw, 2.4rem); font-weight: 900; letter-spacing: -0.05em; white-space: nowrap; animation: cover-marquee 5s linear infinite; }
.preview-marquee > i:nth-of-type(1) { top: 17%; }
.preview-marquee > i:nth-of-type(2) { top: 40%; color: #fff; transform: rotate(2deg); }
.preview-marquee > i:nth-of-type(2)::before { animation-direction: reverse; animation-duration: 6.5s; }
.preview-marquee > i:nth-of-type(3) { top: 63%; }

/* 11 — Tilt */
.preview-tilt { perspective: 700px; }
.preview-tilt > i:nth-of-type(-n + 3) {
    top: 50%;
    left: 50%;
    width: 34%;
    aspect-ratio: 0.74;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    background-image: var(--poster);
    background-position: center;
    background-size: cover;
    box-shadow: 0 20px 44px rgba(0, 0, 0, 0.38);
    animation: cover-tilt 5.8s ease-in-out infinite alternate;
}
.preview-tilt > i:nth-of-type(1) { --card-x: -72%; --card-r: -10deg; }
.preview-tilt > i:nth-of-type(2) { --card-x: -50%; --card-r: 2deg; animation-delay: -2s; }
.preview-tilt > i:nth-of-type(3) { --card-x: -28%; --card-r: 12deg; animation-delay: -4s; }

/* 12 — Path morph */
.preview-path-morph > i:nth-of-type(1) {
    top: 50%;
    left: 50%;
    width: 42%;
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 68% 32% 44% 56% / 45% 62% 38% 55%;
    background: linear-gradient(135deg, var(--preview-accent), rgba(86, 64, 220, 0.72));
    box-shadow: 0 0 55px color-mix(in srgb, var(--preview-accent) 28%, transparent);
    animation: cover-morph 6s ease-in-out infinite alternate;
}
.preview-path-morph > i:nth-of-type(2),
.preview-path-morph > i:nth-of-type(3) { top: 50%; left: 50%; aspect-ratio: 1; border: 1px dashed color-mix(in srgb, var(--preview-accent) 45%, transparent); border-radius: 50%; animation: cover-spin 12s linear infinite; }
.preview-path-morph > i:nth-of-type(2) { width: 58%; }
.preview-path-morph > i:nth-of-type(3) { width: 72%; animation-direction: reverse; animation-duration: 17s; }

/* 13 — Stroke drawing */
.preview-stroke > i:nth-of-type(1) {
    top: 50%;
    left: 50%;
    width: 48%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent 0 16%, var(--preview-accent) 17% 68%, transparent 69% 100%);
    mask: radial-gradient(circle, transparent 57%, #000 59% 64%, transparent 66%);
    -webkit-mask: radial-gradient(circle, transparent 57%, #000 59% 64%, transparent 66%);
    animation: cover-stroke 4.8s ease-in-out infinite;
}
.preview-stroke > i:nth-of-type(2) { top: 23%; left: 50%; width: 10px; aspect-ratio: 1; border-radius: 50%; background: #fff; box-shadow: 0 0 18px var(--preview-accent); animation: cover-orbit-dot 4.8s linear infinite; transform-origin: 0 108px; }
.preview-stroke > i:nth-of-type(3) { right: 18%; bottom: 21%; width: 28%; height: 1px; background: linear-gradient(90deg, transparent, var(--preview-accent)); transform: rotate(-18deg); }

/* 14 — Mask reveal */
.preview-mask > i:nth-of-type(1) { inset: 0; z-index: 1; background-image: var(--poster); background-position: 70% center; background-size: cover; clip-path: circle(14% at 36% 48%); animation: cover-mask 6s var(--ease) infinite alternate; }
.preview-mask > i:nth-of-type(2) { top: 48%; left: 36%; width: 30%; aspect-ratio: 1; border: 1px solid rgba(255, 255, 255, 0.76); border-radius: 50%; transform: translate(-50%, -50%); animation: cover-mask-ring 6s var(--ease) infinite alternate; }
.preview-mask > i:nth-of-type(3) { top: 48%; left: 36%; width: 8px; aspect-ratio: 1; border-radius: 50%; background: var(--preview-accent); box-shadow: 0 0 18px var(--preview-accent); animation: cover-mask-cursor 6s var(--ease) infinite alternate; }

/* 15 — CSS motion path */
.preview-motion-path > i:nth-of-type(1) { inset: 22% 18%; border: 1px dashed rgba(255, 255, 255, 0.52); border-radius: 50%; transform: rotate(-9deg); }
.preview-motion-path > i:nth-of-type(2) { top: 0; left: 0; width: 22px; aspect-ratio: 1; border-radius: 50%; background: var(--preview-accent); box-shadow: 0 0 24px var(--preview-accent); offset-path: ellipse(34% 28% at 50% 50%); animation: cover-path 5.2s linear infinite; }
.preview-motion-path > i:nth-of-type(3) { top: 50%; left: 50%; width: 8px; aspect-ratio: 1; border-radius: 50%; background: #fff; transform: translate(-50%, -50%); }

/* 16 — Split text */
.preview-split-text > i:nth-of-type(-n + 3) { right: 8%; left: 8%; height: 22%; overflow: hidden; border-top: 1px solid rgba(255, 255, 255, 0.16); color: #fff; }
.preview-split-text > i:nth-of-type(-n + 3)::before { position: absolute; left: 4%; content: "BREAK THE SILENCE"; font-size: clamp(1.7rem, 4.6vw, 4.2rem); font-weight: 900; letter-spacing: -0.07em; white-space: nowrap; animation: cover-split 5.6s var(--ease) infinite alternate; }
.preview-split-text > i:nth-of-type(1) { top: 17%; }
.preview-split-text > i:nth-of-type(1)::before { top: 0; }
.preview-split-text > i:nth-of-type(2) { top: 39%; color: var(--preview-accent); }
.preview-split-text > i:nth-of-type(2)::before { top: -100%; animation-direction: alternate-reverse; }
.preview-split-text > i:nth-of-type(3) { top: 61%; }
.preview-split-text > i:nth-of-type(3)::before { top: -200%; }

/* 17 — FLIP layout */
.preview-flip > i:nth-of-type(-n + 4) { width: 29%; height: 29%; border: 1px solid rgba(255, 255, 255, 0.38); border-radius: 14px; background-image: var(--poster); background-size: cover; box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3); animation: cover-flip 6s var(--ease) infinite alternate; }
.preview-flip > i:nth-of-type(1) { top: 17%; left: 18%; --flip-x: 112%; --flip-y: 104%; }
.preview-flip > i:nth-of-type(2) { top: 17%; right: 18%; --flip-x: -112%; --flip-y: 104%; animation-delay: -1.5s; }
.preview-flip > i:nth-of-type(3) { bottom: 17%; left: 18%; --flip-x: 112%; --flip-y: -104%; animation-delay: -3s; }
.preview-flip > i:nth-of-type(4) { right: 18%; bottom: 17%; --flip-x: -112%; --flip-y: -104%; animation-delay: -4.5s; }

/* 18 — Shared element */
.preview-shared > i:nth-of-type(1) { top: 23%; left: 16%; width: 28%; aspect-ratio: 1.25; border: 1px solid #fff; border-radius: 14px; background-image: var(--poster); background-position: center; background-size: cover; transform-origin: left top; animation: cover-shared 6.5s var(--ease) infinite; }
.preview-shared > i:nth-of-type(2) { inset: 15% 12%; border: 1px solid color-mix(in srgb, var(--preview-accent) 70%, white 30%); border-radius: 20px; opacity: 0; animation: cover-shared-frame 6.5s var(--ease) infinite; }
.preview-shared > i:nth-of-type(3) { right: 15%; bottom: 20%; width: 28%; height: 7px; border-radius: 999px; background: var(--preview-accent); opacity: 0.7; }

@keyframes cover-fluid { to { border-radius: 37% 63% 58% 42% / 62% 38% 57% 43%; transform: translate(-43%, -56%) rotate(18deg) scale(1.14); } }
@keyframes cover-expand { 0%, 12%, 88%, 100% { inset: 15%; border-radius: 22px; } 42%, 62% { inset: 2%; border-radius: 5px; } }
@keyframes cover-scene { 0%, 10% { opacity: 0; transform: scale(1.07); } 18%, 38% { opacity: 1; transform: scale(1); } 48%, 100% { opacity: 0; transform: scale(1.055); } }
@keyframes cover-type { to { transform: translateX(10%); } }
@keyframes cover-blob { to { transform: translate(36%, 26%) scale(1.08); } }
@keyframes cover-trail { to { transform: translate(-72%, -58%) rotate(-12deg); } }
@keyframes cover-magnet-core { from { transform: translate(-62%, -42%) scale(0.9); } to { transform: translate(-38%, -58%) scale(1.08); } }
@keyframes cover-magnet-node { to { transform: translate(var(--node-x), var(--node-y)); } }
@keyframes cover-cross-x { to { transform: translateX(54px); } }
@keyframes cover-cross-y { to { transform: translateY(-34px); } }
@keyframes cover-cross-target { from { transform: translate(-50%, -50%); } to { transform: translate(calc(-50% + 54px), calc(-50% - 34px)); } }
@keyframes cover-reveal { 0%, 15% { transform: scaleX(0.03); opacity: 0.25; } 45%, 72% { transform: scaleX(1); opacity: 0.94; } 100% { transform: scaleX(0.03); transform-origin: right center; opacity: 0.25; } }
@keyframes cover-marquee { to { transform: translateX(-36%); } }
@keyframes cover-tilt { from { transform: translate(var(--card-x), -50%) rotate(var(--card-r)) rotateY(-8deg); } to { transform: translate(var(--card-x), -56%) rotate(calc(var(--card-r) + 4deg)) rotateY(12deg); } }
@keyframes cover-morph { from { border-radius: 68% 32% 44% 56% / 45% 62% 38% 55%; transform: translate(-50%, -50%) rotate(-8deg); } to { border-radius: 36% 64% 62% 38% / 65% 34% 66% 35%; transform: translate(-50%, -50%) rotate(18deg) scale(1.12); } }
@keyframes cover-spin { from { transform: translate(-50%, -50%) rotate(0); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes cover-stroke { 50% { transform: translate(-50%, -50%) rotate(210deg) scale(1.08); } 100% { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes cover-orbit-dot { to { transform: rotate(360deg); } }
@keyframes cover-mask { to { clip-path: circle(42% at 68% 42%); } }
@keyframes cover-mask-ring { to { left: 68%; top: 42%; width: 58%; } }
@keyframes cover-mask-cursor { to { left: 68%; top: 42%; } }
@keyframes cover-path { to { offset-distance: 100%; } }
@keyframes cover-split { from { transform: translateX(-12%); } to { transform: translateX(12%); } }
@keyframes cover-flip { to { transform: translate(var(--flip-x), var(--flip-y)) rotate(5deg); } }
@keyframes cover-shared { 0%, 16% { transform: scale(1); } 45%, 72% { transform: translate(16%, -8%) scale(2.55); border-radius: 8px; } 100% { transform: scale(1); } }
@keyframes cover-shared-frame { 0%, 22%, 92%, 100% { opacity: 0; } 46%, 74% { opacity: 0.9; } }

/* 19 — Infinite canvas */
.preview-infinite {
    background-color: #07111b;
    background-image:
        linear-gradient(rgba(56, 189, 248, 0.16) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, 0.16) 1px, transparent 1px);
    background-size: 42px 42px;
}
.preview-infinite::before { opacity: 0.28; }
.preview-infinite > i:nth-of-type(-n + 6) { width: 31%; aspect-ratio: 1.35; border: 1px solid rgba(255, 255, 255, 0.34); border-radius: 12px; background-image: var(--poster); background-size: cover; box-shadow: 0 16px 28px rgba(0, 0, 0, 0.28); animation: cover-pan 7s ease-in-out infinite alternate; }
.preview-infinite > i:nth-of-type(1) { top: 8%; left: 8%; }
.preview-infinite > i:nth-of-type(2) { top: 14%; left: 43%; background-position: 70% center; animation-delay: -1s; }
.preview-infinite > i:nth-of-type(3) { top: 44%; left: 20%; background-position: 30% center; animation-delay: -2s; }
.preview-infinite > i:nth-of-type(4) { top: 52%; left: 56%; animation-delay: -3s; }
.preview-infinite > i:nth-of-type(5) { top: 78%; left: -4%; animation-delay: -4s; }
.preview-infinite > i:nth-of-type(6) { top: -17%; left: 72%; animation-delay: -5s; }

/* 20 — Inertial drag */
.preview-inertia > i:nth-of-type(1) { top: 52%; right: 12%; left: 12%; height: 1px; background: repeating-linear-gradient(90deg, rgba(255,255,255,.42) 0 8px, transparent 8px 17px); transform: rotate(-8deg); }
.preview-inertia > i:nth-of-type(n + 2) { top: 50%; left: 17%; width: 54px; aspect-ratio: 1; border-radius: 50%; background: var(--preview-accent); box-shadow: 0 0 30px color-mix(in srgb, var(--preview-accent) 44%, transparent); animation: cover-inertia 5.8s cubic-bezier(.18,.82,.2,1) infinite; }
.preview-inertia > i:nth-of-type(3) { opacity: .28; animation-delay: -.18s; }
.preview-inertia > i:nth-of-type(4) { opacity: .16; animation-delay: -.36s; }
.preview-inertia > i:nth-of-type(5) { opacity: .08; animation-delay: -.54s; }

/* 21 — Drag parallax carousel */
.preview-carousel { perspective: 800px; }
.preview-carousel > i:nth-of-type(-n + 4) { top: 50%; left: 50%; width: 46%; aspect-ratio: 1.45; border: 1px solid rgba(255,255,255,.48); border-radius: 15px; background-image: var(--poster); background-size: cover; box-shadow: 0 22px 46px rgba(0,0,0,.38); animation: cover-carousel 7s var(--ease) infinite alternate; }
.preview-carousel > i:nth-of-type(1) { --slide-x: -92%; --slide-r: -9deg; opacity: .5; }
.preview-carousel > i:nth-of-type(2) { --slide-x: -50%; --slide-r: 0deg; z-index: 4; animation-delay: -2s; }
.preview-carousel > i:nth-of-type(3) { --slide-x: -8%; --slide-r: 9deg; opacity: .56; animation-delay: -4s; }
.preview-carousel > i:nth-of-type(4) { --slide-x: 30%; --slide-r: 15deg; opacity: .22; animation-delay: -6s; }

/* 22 — Horizontal scroll */
.preview-horizontal > i:nth-of-type(-n + 4) { top: 18%; width: 42%; height: 64%; border: 1px solid rgba(255,255,255,.38); border-radius: 14px; background-image: var(--poster); background-position: center; background-size: cover; animation: cover-horizontal 7.2s var(--ease) infinite; }
.preview-horizontal > i:nth-of-type(1) { left: 8%; }
.preview-horizontal > i:nth-of-type(2) { left: 53%; background-position: 70% center; }
.preview-horizontal > i:nth-of-type(3) { left: 98%; background-position: 30% center; }
.preview-horizontal > i:nth-of-type(4) { left: 143%; }

/* 23 — Parallax depth */
.preview-parallax > i:nth-of-type(-n + 3) { inset: 10%; border-radius: 18px; background-image: var(--poster); background-position: center; background-size: cover; box-shadow: 0 18px 36px rgba(0,0,0,.3); animation: cover-parallax 6.4s ease-in-out infinite alternate; }
.preview-parallax > i:nth-of-type(1) { opacity: .48; --depth-x: -5%; --depth-y: -3%; }
.preview-parallax > i:nth-of-type(2) { inset: 20%; opacity: .68; background-position: 70% center; --depth-x: 7%; --depth-y: -7%; animation-delay: -2s; }
.preview-parallax > i:nth-of-type(3) { inset: 31%; border: 1px solid rgba(255,255,255,.55); --depth-x: -10%; --depth-y: 10%; animation-delay: -4s; }

/* 24 — Layered zoom */
.preview-zoom > i:nth-of-type(-n + 4) { top: 50%; left: 50%; border: 1px solid rgba(255,255,255,.56); border-radius: 16px; background-image: var(--poster); background-position: center; background-size: cover; animation: cover-zoom 6.8s var(--ease) infinite; }
.preview-zoom > i:nth-of-type(1) { width: 76%; height: 70%; --zoom-scale: .78; }
.preview-zoom > i:nth-of-type(2) { width: 58%; height: 52%; --zoom-scale: .92; animation-delay: -1.7s; }
.preview-zoom > i:nth-of-type(3) { width: 40%; height: 35%; --zoom-scale: 1.1; animation-delay: -3.4s; }
.preview-zoom > i:nth-of-type(4) { width: 22%; height: 20%; --zoom-scale: 1.28; animation-delay: -5.1s; }

/* 25 — Scroll 3D stack */
.preview-stack { perspective: 850px; }
.preview-stack > i:nth-of-type(-n + 5) { top: 50%; left: 50%; width: 46%; aspect-ratio: 1.45; border: 1px solid rgba(255,255,255,.45); border-radius: 14px; background-image: var(--poster); background-position: center; background-size: cover; box-shadow: 0 18px 44px rgba(0,0,0,.42); animation: cover-stack 6.6s var(--ease) infinite alternate; }
.preview-stack > i:nth-of-type(1) { --stack-y: -30%; --stack-z: -110px; --stack-r: -8deg; }
.preview-stack > i:nth-of-type(2) { --stack-y: -40%; --stack-z: -70px; --stack-r: -4deg; animation-delay: -1s; }
.preview-stack > i:nth-of-type(3) { --stack-y: -50%; --stack-z: -30px; --stack-r: 0deg; animation-delay: -2s; }
.preview-stack > i:nth-of-type(4) { --stack-y: -60%; --stack-z: 10px; --stack-r: 4deg; animation-delay: -3s; }
.preview-stack > i:nth-of-type(5) { --stack-y: -70%; --stack-z: 50px; --stack-r: 8deg; animation-delay: -4s; }

/* 26 — Scroll morph */
.preview-scroll-morph > i:nth-of-type(1) { top: 50%; left: 50%; width: 40%; aspect-ratio: 1; border: 1px solid #fff; border-radius: 58% 42% 65% 35% / 43% 58% 42% 57%; background: linear-gradient(145deg, var(--preview-accent), rgba(84,57,202,.78)); animation: cover-scroll-morph 6s var(--ease) infinite alternate; }
.preview-scroll-morph > i:nth-of-type(2) { right: 16%; bottom: 16%; left: 16%; height: 3px; border-radius: 99px; background: rgba(255,255,255,.16); }
.preview-scroll-morph > i:nth-of-type(3) { bottom: 16%; left: 16%; width: 28%; height: 3px; border-radius: 99px; background: var(--preview-accent); box-shadow: 0 0 15px var(--preview-accent); animation: cover-progress 6s var(--ease) infinite alternate; transform-origin: left; }
.preview-scroll-morph > i:nth-of-type(4) { top: 14%; left: 14%; width: 46px; aspect-ratio: 1; border: 1px dashed rgba(255,255,255,.45); border-radius: 50%; animation: cover-spin 9s linear infinite; }

@keyframes cover-pan { to { transform: translate(-38px, 28px) rotate(-2deg); } }
@keyframes cover-inertia { 0%, 12% { transform: translate(0, -50%) scale(1); opacity: 0; } 18% { opacity: 1; } 66%, 82% { transform: translate(390%, -120%) scale(.82); opacity: 1; } 100% { transform: translate(430%, -126%) scale(.76); opacity: 0; } }
@keyframes cover-carousel { from { transform: translate(var(--slide-x), -50%) rotate(var(--slide-r)) rotateY(-8deg); } to { transform: translate(calc(var(--slide-x) - 12%), -55%) rotate(calc(var(--slide-r) - 3deg)) rotateY(10deg); } }
@keyframes cover-horizontal { 0%, 12% { transform: translateX(0); } 82%, 100% { transform: translateX(-180%); } }
@keyframes cover-parallax { to { transform: translate(var(--depth-x), var(--depth-y)) scale(1.06); } }
@keyframes cover-zoom { 0%, 14% { transform: translate(-50%, -50%) scale(var(--zoom-scale)); opacity: .42; } 52%, 72% { transform: translate(-50%, -50%) scale(calc(var(--zoom-scale) + .34)); opacity: 1; } 100% { transform: translate(-50%, -50%) scale(calc(var(--zoom-scale) + .58)); opacity: 0; } }
@keyframes cover-stack { from { transform: translate(-50%, var(--stack-y)) translateZ(var(--stack-z)) rotate(var(--stack-r)); } to { transform: translate(-50%, calc(var(--stack-y) - 16%)) translateZ(calc(var(--stack-z) + 70px)) rotate(calc(0deg - var(--stack-r))); } }
@keyframes cover-scroll-morph { from { border-radius: 58% 42% 65% 35% / 43% 58% 42% 57%; transform: translate(-50%, -50%) rotate(-12deg); } to { border-radius: 34% 66% 38% 62% / 67% 33% 64% 36%; transform: translate(-50%, -50%) rotate(20deg) scale(1.18); } }
@keyframes cover-progress { to { transform: scaleX(2.55); } }

/* 27 — Reaction diffusion */
.preview-reaction::before { opacity: .18; }
.preview-reaction > i:nth-of-type(-n + 6) { width: 24%; aspect-ratio: 1; border: 8px solid color-mix(in srgb, var(--preview-accent) 72%, #071518 28%); border-radius: 46% 54% 62% 38% / 62% 36% 64% 38%; opacity: .76; box-shadow: inset 0 0 18px rgba(2,18,20,.88), 0 0 20px color-mix(in srgb, var(--preview-accent) 22%, transparent); animation: cover-reaction 7s ease-in-out infinite alternate; }
.preview-reaction > i:nth-of-type(1) { top: 12%; left: 12%; --cell-x: 24%; --cell-y: 20%; }
.preview-reaction > i:nth-of-type(2) { top: 18%; left: 43%; width: 31%; --cell-x: -18%; --cell-y: 30%; animation-delay: -1s; }
.preview-reaction > i:nth-of-type(3) { top: 48%; left: 20%; width: 30%; --cell-x: 30%; --cell-y: -18%; animation-delay: -2s; }
.preview-reaction > i:nth-of-type(4) { right: 13%; bottom: 12%; width: 22%; --cell-x: -28%; --cell-y: -20%; animation-delay: -3s; }
.preview-reaction > i:nth-of-type(5) { top: 7%; right: 6%; width: 16%; --cell-x: -22%; --cell-y: 44%; animation-delay: -4s; }
.preview-reaction > i:nth-of-type(6) { bottom: 5%; left: 4%; width: 18%; --cell-x: 46%; --cell-y: -12%; animation-delay: -5s; }

/* 28 — SDF ray marching */
.preview-raymarch { background: linear-gradient(#110a09, #030507); perspective: 700px; }
.preview-raymarch::before { display: none; }
.preview-raymarch > i:nth-of-type(1) { top: 46%; left: 47%; width: 38%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 34% 26%, #fff8dc 0 4%, #f29b55 10%, #7b271e 42%, #150708 69%); box-shadow: 0 28px 42px #000, 0 0 48px rgba(242,117,75,.24); animation: cover-sdf 6s ease-in-out infinite alternate; }
.preview-raymarch > i:nth-of-type(2) { top: 46%; left: 47%; width: 55%; aspect-ratio: 1; border: 12px solid rgba(255,140,86,.36); border-radius: 50%; box-shadow: inset 0 0 24px #000, 0 0 24px rgba(255,107,70,.24); animation: cover-sdf-ring 8s linear infinite; }
.preview-raymarch > i:nth-of-type(3) { right: 4%; bottom: -26%; left: 4%; height: 66%; background-image: linear-gradient(rgba(255,133,82,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,133,82,.22) 1px, transparent 1px); background-size: 34px 28px; transform: rotateX(66deg); transform-origin: center bottom; }

/* 29 — GPU particles */
.preview-particles::before { opacity: .16; }
.preview-particles > i:nth-of-type(1),
.preview-particles > i:nth-of-type(2) { inset: -18%; border-radius: 50%; background-image: radial-gradient(circle, var(--preview-accent) 0 1.2px, transparent 1.7px); background-size: 23px 23px; mask: radial-gradient(ellipse, #000 20%, transparent 67%); -webkit-mask: radial-gradient(ellipse, #000 20%, transparent 67%); animation: cover-particles 12s linear infinite; }
.preview-particles > i:nth-of-type(2) { inset: -7%; opacity: .48; background-size: 37px 37px; animation-direction: reverse; animation-duration: 17s; }
.preview-particles > i:nth-of-type(3) { top: 50%; left: 50%; width: 26%; aspect-ratio: 1; border: 1px solid color-mix(in srgb, var(--preview-accent) 65%, transparent); border-radius: 50%; box-shadow: inset 0 0 30px color-mix(in srgb, var(--preview-accent) 22%, transparent), 0 0 30px color-mix(in srgb, var(--preview-accent) 24%, transparent); animation: cover-particle-core 5s ease-in-out infinite alternate; }

/* 30 — Lens refraction */
.preview-lens > i:nth-of-type(1) { top: 50%; left: 50%; width: 40%; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: rgba(103,232,249,.08); box-shadow: inset 18px 18px 48px rgba(255,255,255,.12), inset -20px -18px 42px rgba(35,106,160,.28), 0 24px 48px rgba(0,0,0,.28); backdrop-filter: blur(7px) saturate(1.35); -webkit-backdrop-filter: blur(7px) saturate(1.35); animation: cover-lens 6.2s ease-in-out infinite alternate; }
.preview-lens > i:nth-of-type(2) { top: 34%; left: 39%; width: 9%; height: 4%; border-radius: 50%; background: rgba(255,255,255,.72); filter: blur(3px); animation: cover-lens-glare 6.2s ease-in-out infinite alternate; }
.preview-lens > i:nth-of-type(3) { top: 50%; left: 50%; width: 48%; aspect-ratio: 1; border: 1px dashed rgba(103,232,249,.32); border-radius: 50%; animation: cover-spin 14s linear infinite; }

/* 31 — RGB shift */
.preview-rgb::before { filter: brightness(.48) saturate(.65); }
.preview-rgb > i:nth-of-type(-n + 3) { top: 50%; left: 50%; width: 64%; height: 32%; transform: translate(-50%, -50%); mix-blend-mode: screen; animation: cover-rgb 4.8s ease-in-out infinite alternate; }
.preview-rgb > i:nth-of-type(-n + 3)::before { position: absolute; inset: 0; display: grid; place-items: center; content: "RGB SHIFT"; font-size: clamp(2rem, 5vw, 4.8rem); font-weight: 950; letter-spacing: -.09em; }
.preview-rgb > i:nth-of-type(1) { color: #ff315d; --rgb-x: -11px; }
.preview-rgb > i:nth-of-type(2) { color: #44ffad; --rgb-x: 0px; animation-delay: -.8s; }
.preview-rgb > i:nth-of-type(3) { color: #3ea6ff; --rgb-x: 11px; animation-delay: -1.6s; }

/* 32 — Afterimage feedback */
.preview-afterimage > i:nth-of-type(-n + 5) { top: 50%; left: 50%; width: 28%; aspect-ratio: 1; border: 2px solid var(--preview-accent); border-radius: 44% 56% 61% 39%; box-shadow: 0 0 24px color-mix(in srgb, var(--preview-accent) 26%, transparent); animation: cover-feedback 5.6s var(--ease) infinite; }
.preview-afterimage > i:nth-of-type(2) { animation-delay: -.7s; opacity: .7; }
.preview-afterimage > i:nth-of-type(3) { animation-delay: -1.4s; opacity: .5; }
.preview-afterimage > i:nth-of-type(4) { animation-delay: -2.1s; opacity: .3; }
.preview-afterimage > i:nth-of-type(5) { animation-delay: -2.8s; opacity: .16; }
.preview-afterimage > i:nth-of-type(6) { top: 49%; left: 49%; width: 10px; aspect-ratio: 1; border-radius: 50%; background: #fff; box-shadow: 0 0 18px var(--preview-accent); }

/* 33 — Volumetric god rays */
.preview-rays > i:nth-of-type(1) { top: -15%; right: -8%; width: 78%; height: 115%; background: conic-gradient(from 197deg at 84% 14%, transparent 0 10deg, rgba(255,233,174,.3) 12deg 18deg, transparent 21deg 30deg, rgba(255,222,146,.18) 33deg 42deg, transparent 45deg 360deg); transform-origin: 84% 14%; animation: cover-rays 6s ease-in-out infinite alternate; }
.preview-rays > i:nth-of-type(2) { top: 18%; right: 17%; width: 56px; aspect-ratio: 1; border-radius: 50%; background: #fff5c8; box-shadow: 0 0 18px #fff, 0 0 58px #ffd76d, 0 0 110px rgba(255,192,68,.58); animation: cover-sun 4s ease-in-out infinite alternate; }
.preview-rays > i:nth-of-type(3) { right: 12%; bottom: 10%; left: 12%; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,238,190,.7), transparent); }

/* 34 — Morph targets */
.preview-targets > i:nth-of-type(1) { top: 50%; left: 50%; width: 39%; aspect-ratio: 1; background: linear-gradient(145deg, #d7fff0, var(--preview-accent) 52%, #12796b); clip-path: polygon(50% 0, 88% 18%, 100% 58%, 73% 95%, 26% 92%, 0 57%, 13% 17%); box-shadow: 0 0 48px color-mix(in srgb, var(--preview-accent) 32%, transparent); animation: cover-target 6.4s var(--ease) infinite alternate; }
.preview-targets > i:nth-of-type(2) { top: 50%; left: 50%; width: 53%; aspect-ratio: 1; border: 1px dashed rgba(255,255,255,.42); border-radius: 50%; animation: cover-spin 14s linear infinite; }
.preview-targets > i:nth-of-type(n + 3) { width: 7px; aspect-ratio: 1; border-radius: 50%; background: #fff; box-shadow: 0 0 11px var(--preview-accent); animation: cover-target-dot 4.2s ease-in-out infinite alternate; }
.preview-targets > i:nth-of-type(3) { top: 25%; left: 34%; }
.preview-targets > i:nth-of-type(4) { top: 30%; right: 32%; animation-delay: -1s; }
.preview-targets > i:nth-of-type(5) { right: 35%; bottom: 24%; animation-delay: -2s; }
.preview-targets > i:nth-of-type(6) { bottom: 26%; left: 31%; animation-delay: -3s; }

@keyframes cover-reaction { to { transform: translate(var(--cell-x), var(--cell-y)) rotate(35deg) scale(1.12); border-radius: 64% 36% 42% 58% / 38% 62% 36% 64%; } }
@keyframes cover-sdf { from { transform: translate(-50%, -50%) rotate(-8deg); } to { transform: translate(-50%, -55%) rotate(12deg) scale(1.08); } }
@keyframes cover-sdf-ring { from { transform: translate(-50%, -50%) rotateX(66deg) rotateZ(0); } to { transform: translate(-50%, -50%) rotateX(66deg) rotateZ(360deg); } }
@keyframes cover-particles { to { transform: rotate(360deg) scale(1.08); } }
@keyframes cover-particle-core { from { transform: translate(-50%, -50%) scale(.88); } to { transform: translate(-50%, -50%) scale(1.18); } }
@keyframes cover-lens { from { transform: translate(-72%, -42%) scale(.92); } to { transform: translate(-26%, -58%) scale(1.08); } }
@keyframes cover-lens-glare { from { transform: translate(-42%, -30%); } to { transform: translate(88%, -72%); } }
@keyframes cover-rgb { from { transform: translate(calc(-50% + var(--rgb-x)), -50%); } to { transform: translate(calc(-50% - var(--rgb-x)), -46%) skewX(-3deg); } }
@keyframes cover-feedback { 0% { transform: translate(-50%, -50%) scale(.62) rotate(0); opacity: 0; } 18% { opacity: .9; } 100% { transform: translate(-12%, -78%) scale(1.65) rotate(24deg); opacity: 0; } }
@keyframes cover-rays { to { transform: rotate(5deg) scaleX(1.08); opacity: .72; } }
@keyframes cover-sun { to { transform: scale(1.14); } }
@keyframes cover-target { from { transform: translate(-50%, -50%) rotateY(0) rotate(0); clip-path: polygon(50% 0, 88% 18%, 100% 58%, 73% 95%, 26% 92%, 0 57%, 13% 17%); } to { transform: translate(-50%, -50%) rotateY(32deg) rotate(18deg) scale(1.09); clip-path: polygon(25% 8%, 78% 2%, 94% 34%, 84% 89%, 42% 100%, 4% 71%, 8% 27%); } }
@keyframes cover-target-dot { to { transform: translate(16px, -11px) scale(1.3); } }

/* 35 — Spring drag */
.preview-spring > i:nth-of-type(1) { top: 50%; left: 21%; width: 42%; height: 2px; background: repeating-linear-gradient(90deg, var(--preview-accent) 0 8px, transparent 8px 14px); transform-origin: left; animation: cover-spring-line 5.4s ease-in-out infinite alternate; }
.preview-spring > i:nth-of-type(2) { top: 50%; left: 20%; width: 24px; aspect-ratio: 1; border: 2px solid #fff; border-radius: 50%; transform: translate(-50%, -50%); }
.preview-spring > i:nth-of-type(3) { top: 50%; left: 62%; width: 76px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 34% 28%, #fff, var(--preview-accent) 18%, #7254df 70%); box-shadow: 0 0 38px color-mix(in srgb, var(--preview-accent) 35%, transparent); animation: cover-spring-puck 5.4s cubic-bezier(.2,.78,.18,1.16) infinite alternate; }
.preview-spring > i:nth-of-type(4) { top: 50%; left: 62%; width: 104px; aspect-ratio: 1; border: 1px dashed rgba(255,255,255,.28); border-radius: 50%; animation: cover-spring-ring 5.4s ease-in-out infinite alternate; }

/* 36 — Elastic bounds */
.preview-elastic > i:nth-of-type(1) { inset: 10%; border: 1px solid rgba(255,255,255,.46); border-radius: 20px; box-shadow: inset 0 0 38px rgba(251,113,133,.12); }
.preview-elastic > i:nth-of-type(2) { top: 50%; left: 22%; width: 72px; aspect-ratio: 1; border-radius: 50%; background: linear-gradient(145deg, #fff5dc, var(--preview-accent) 38%, #8e1c4c); box-shadow: 0 18px 34px rgba(0,0,0,.32); animation: cover-elastic 5.2s cubic-bezier(.22,.78,.24,1) infinite; }
.preview-elastic > i:nth-of-type(3),
.preview-elastic > i:nth-of-type(4) { top: 18%; bottom: 18%; width: 2px; background: var(--preview-accent); opacity: .42; }
.preview-elastic > i:nth-of-type(3) { left: 10%; }
.preview-elastic > i:nth-of-type(4) { right: 10%; }

/* 37 — Momentum throw */
.preview-momentum > i:nth-of-type(-n + 5) { top: 55%; left: 16%; width: 58px; aspect-ratio: 1; border-radius: 50%; background: var(--preview-accent); box-shadow: 0 0 24px color-mix(in srgb, var(--preview-accent) 36%, transparent); animation: cover-momentum 5.8s cubic-bezier(.16,.76,.18,1) infinite; }
.preview-momentum > i:nth-of-type(2) { opacity: .5; animation-delay: -.16s; }
.preview-momentum > i:nth-of-type(3) { opacity: .28; animation-delay: -.32s; }
.preview-momentum > i:nth-of-type(4) { opacity: .15; animation-delay: -.48s; }
.preview-momentum > i:nth-of-type(5) { opacity: .08; animation-delay: -.64s; }
.preview-momentum > i:nth-of-type(6) { top: 57%; left: 18%; width: 62%; height: 1px; background: linear-gradient(90deg, var(--preview-accent), transparent); transform: rotate(-12deg); transform-origin: left; }

/* 38 — Inertial snap grid */
.preview-snap { background-color: #06131f; background-image: linear-gradient(rgba(96,165,250,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(96,165,250,.18) 1px, transparent 1px); background-size: 44px 44px; }
.preview-snap::before { opacity: .12; }
.preview-snap > i:nth-of-type(1) { top: calc(50% - 44px); left: calc(64% - 44px); width: 44px; aspect-ratio: 1; border: 1px solid var(--preview-accent); background: rgba(96,165,250,.18); box-shadow: 0 0 24px rgba(96,165,250,.35); }
.preview-snap > i:nth-of-type(2) { top: calc(50% - 22px); left: calc(22% - 22px); width: 44px; aspect-ratio: 1; border-radius: 13px; background: linear-gradient(145deg, #fff, var(--preview-accent)); box-shadow: 0 14px 28px rgba(0,0,0,.35); animation: cover-snap 5.6s cubic-bezier(.18,.76,.18,1) infinite alternate; }
.preview-snap > i:nth-of-type(3) { top: 50%; left: 22%; width: 42%; height: 1px; background: repeating-linear-gradient(90deg, var(--preview-accent) 0 6px, transparent 6px 12px); transform: rotate(-17deg); transform-origin: left; opacity: .7; }

/* 39 — Magnetic docking */
.preview-docking > i:nth-of-type(1) { top: 50%; left: 50%; width: 66px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 34% 28%, #fff, #ffd069 18%, var(--preview-accent) 68%); box-shadow: 0 0 35px color-mix(in srgb, var(--preview-accent) 42%, transparent); animation: cover-docking 6s ease-in-out infinite; }
.preview-docking > i:nth-of-type(n + 2) { width: 54px; aspect-ratio: 1; border: 1px solid var(--preview-accent); border-radius: 50%; box-shadow: inset 0 0 18px color-mix(in srgb, var(--preview-accent) 20%, transparent), 0 0 18px color-mix(in srgb, var(--preview-accent) 18%, transparent); }
.preview-docking > i:nth-of-type(2) { top: 19%; left: 16%; }
.preview-docking > i:nth-of-type(3) { top: 17%; right: 17%; }
.preview-docking > i:nth-of-type(4) { right: 13%; bottom: 17%; }
.preview-docking > i:nth-of-type(5) { bottom: 16%; left: 18%; }
.preview-docking > i:nth-of-type(6) { top: 46%; right: 7%; width: 24px; }

/* 40 — Rope constraint */
.preview-rope > i:nth-of-type(-n + 6) { top: 32%; width: clamp(18px, 3vw, 30px); aspect-ratio: 1; border: 2px solid rgba(255,255,255,.72); border-radius: 50%; background: var(--preview-accent); box-shadow: 0 8px 20px rgba(0,0,0,.35); animation: cover-rope 4.8s ease-in-out infinite alternate; }
.preview-rope > i:nth-of-type(1) { left: 12%; --rope-start: 0px; --rope-end: 54px; }
.preview-rope > i:nth-of-type(2) { left: 26%; --rope-start: 8px; --rope-end: 49px; animation-delay: -.34s; }
.preview-rope > i:nth-of-type(3) { left: 40%; --rope-start: 16px; --rope-end: 44px; animation-delay: -.68s; }
.preview-rope > i:nth-of-type(4) { left: 54%; --rope-start: 24px; --rope-end: 39px; animation-delay: -1.02s; }
.preview-rope > i:nth-of-type(5) { left: 68%; --rope-start: 32px; --rope-end: 34px; animation-delay: -1.36s; }
.preview-rope > i:nth-of-type(6) { left: 82%; width: clamp(28px, 5vw, 48px); --rope-start: 40px; --rope-end: 29px; background: linear-gradient(145deg, #fff, var(--preview-accent)); animation-delay: -1.7s; }

/* 41 — Multi-body collisions */
.preview-collision > i:nth-of-type(-n + 6) { width: clamp(38px, 7vw, 68px); aspect-ratio: 1; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: var(--ball-color, var(--preview-accent)); box-shadow: 0 15px 28px rgba(0,0,0,.3); animation: cover-collision 4.6s ease-in-out infinite alternate; }
.preview-collision > i:nth-of-type(1) { top: 18%; left: 18%; --ball-x: 110%; --ball-y: 62%; --ball-color: #34d399; }
.preview-collision > i:nth-of-type(2) { top: 22%; right: 18%; --ball-x: -90%; --ball-y: 55%; --ball-color: #fbbf24; animation-delay: -1s; }
.preview-collision > i:nth-of-type(3) { bottom: 18%; left: 23%; --ball-x: 80%; --ball-y: -70%; --ball-color: #60a5fa; animation-delay: -2s; }
.preview-collision > i:nth-of-type(4) { right: 24%; bottom: 16%; --ball-x: -70%; --ball-y: -60%; --ball-color: #fb7185; animation-delay: -3s; }
.preview-collision > i:nth-of-type(5) { top: 42%; left: 44%; width: 42px; --ball-x: 28%; --ball-y: -20%; --ball-color: #c084fc; animation-delay: -4s; }
.preview-collision > i:nth-of-type(6) { top: 9%; left: 48%; width: 34px; --ball-x: -20%; --ball-y: 120%; --ball-color: #f97316; animation-delay: -2.5s; }

/* 42 — Orbital constraint */
.preview-orbit > i:nth-of-type(1) { top: 50%; left: 50%; width: 62%; height: 45%; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; transform: translate(-50%, -50%) rotate(-8deg); box-shadow: 0 0 35px rgba(129,140,248,.14); }
.preview-orbit > i:nth-of-type(2) { top: 0; left: 0; width: 54px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 34% 28%, #fff, var(--preview-accent) 22%, #3d3296 72%); box-shadow: 0 0 26px var(--preview-accent); offset-path: ellipse(31% 22.5% at 50% 50%); animation: cover-path 5.8s linear infinite; }
.preview-orbit > i:nth-of-type(3) { top: 50%; left: 50%; width: 13px; aspect-ratio: 1; border-radius: 50%; background: #fff; box-shadow: 0 0 24px var(--preview-accent); transform: translate(-50%, -50%); }

/* 43 — Rubber-band drag */
.preview-rubber > i:nth-of-type(1) { top: 50%; left: 20%; width: 46%; height: 3px; border-radius: 99px; background: linear-gradient(90deg, #fff, var(--preview-accent)); transform-origin: left; animation: cover-rubber-line 5.4s cubic-bezier(.2,.8,.18,1) infinite alternate; }
.preview-rubber > i:nth-of-type(2) { top: 50%; left: 66%; width: 74px; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle at 33% 27%, #fff, var(--preview-accent) 24%, #65308b 75%); box-shadow: 0 0 34px color-mix(in srgb, var(--preview-accent) 38%, transparent); animation: cover-rubber 5.4s cubic-bezier(.2,.8,.18,1.16) infinite alternate; }
.preview-rubber > i:nth-of-type(3) { top: 50%; left: 20%; width: 20px; aspect-ratio: 1; border: 2px solid #fff; border-radius: 50%; transform: translate(-50%, -50%); }
.preview-rubber > i:nth-of-type(4) { top: 50%; left: 74%; width: 18%; height: 1px; background: repeating-linear-gradient(90deg, rgba(255,255,255,.5) 0 5px, transparent 5px 11px); transform: rotate(-14deg); }

/* 44 — Physics reorder */
.preview-reorder > i:nth-of-type(-n + 5) { right: 17%; left: 17%; height: 13%; border: 1px solid rgba(255,255,255,.38); border-radius: 11px; background: linear-gradient(90deg, color-mix(in srgb, var(--preview-accent) 42%, #101726), rgba(255,255,255,.06)); box-shadow: 0 10px 24px rgba(0,0,0,.2); animation: cover-reorder 6s var(--ease) infinite; }
.preview-reorder > i:nth-of-type(1) { top: 14%; --row-y: 0%; }
.preview-reorder > i:nth-of-type(2) { top: 30%; --row-y: 118%; animation-delay: -.6s; }
.preview-reorder > i:nth-of-type(3) { top: 46%; --row-y: -118%; animation-delay: -1.2s; }
.preview-reorder > i:nth-of-type(4) { top: 62%; --row-y: 0%; animation-delay: -1.8s; }
.preview-reorder > i:nth-of-type(5) { top: 78%; --row-y: -118%; animation-delay: -2.4s; }
.preview-reorder > i:nth-of-type(6) { top: 43%; left: 12%; width: 18px; height: 44px; border-radius: 99px; background: var(--preview-accent); box-shadow: 0 0 20px var(--preview-accent); animation: cover-reorder-handle 6s var(--ease) infinite; }

@keyframes cover-spring-line { from { transform: scaleX(.72) rotate(-5deg); } to { transform: scaleX(1.38) rotate(4deg); } }
@keyframes cover-spring-puck { from { transform: translate(-50%, -50%); } to { transform: translate(78%, -67%) scale(1.08); } }
@keyframes cover-spring-ring { from { transform: translate(-50%, -50%) scale(.82); opacity: .3; } to { transform: translate(48%, -63%) scale(1.14); opacity: .75; } }
@keyframes cover-elastic { 0%, 12% { transform: translate(-50%, -50%) scale(1); } 48% { transform: translate(520%, -70%) scaleX(.72) scaleY(1.18); } 62% { transform: translate(430%, -62%) scaleX(1.12) scaleY(.9); } 100% { transform: translate(80%, -45%) scale(1); } }
@keyframes cover-momentum { 0%, 12% { transform: translate(0, -50%); opacity: 0; } 20% { opacity: 1; } 78% { transform: translate(520%, -150%) scale(.82); opacity: 1; } 100% { transform: translate(570%, -160%) scale(.76); opacity: 0; } }
@keyframes cover-snap { 0%, 16% { transform: translate(0, 0) rotate(-8deg); } 64%, 100% { transform: translate(420%, -100%) rotate(0); } }
@keyframes cover-docking { 0%, 14% { transform: translate(-50%, -50%); } 38%, 52% { transform: translate(-250%, -180%) scale(.82); } 72%, 86% { transform: translate(170%, 130%) scale(.82); } 100% { transform: translate(-50%, -50%); } }
@keyframes cover-rope { from { transform: translateY(var(--rope-start)); } to { transform: translateY(var(--rope-end)) rotate(7deg); } }
@keyframes cover-collision { to { transform: translate(var(--ball-x), var(--ball-y)) scale(.92); } }
@keyframes cover-rubber-line { from { transform: scaleX(.7) rotate(4deg); } to { transform: scaleX(1.55) rotate(-7deg); } }
@keyframes cover-rubber { from { transform: translate(-50%, -50%); } to { transform: translate(155%, -88%) scale(.92); } }
@keyframes cover-reorder { 0%, 18%, 82%, 100% { transform: translateY(0); } 42%, 66% { transform: translateY(var(--row-y)); } }
@keyframes cover-reorder-handle { 0%, 18%, 82%, 100% { transform: translateY(0); opacity: .32; } 42%, 66% { transform: translateY(92px); opacity: 1; } }

.lexicon-block {
    margin-top: clamp(96px, 13vw, 170px);
}

.lexicon-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: 22px;
    padding: 0 2px 20px;
    border-bottom: 1px solid var(--line);
}

.lexicon-heading p,
.lexicon-heading > span {
    margin: 0;
    color: rgba(238, 242, 255, 0.42);
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.lexicon-heading h2 {
    margin: 10px 0 0;
    font-size: clamp(2.5rem, 5vw, 5.2rem);
    line-height: 0.95;
    letter-spacing: -0.055em;
}

.catalog-footer {
    display: flex;
    width: min(1240px, calc(100% - 40px));
    justify-content: space-between;
    gap: 24px;
    margin: 0 auto;
    padding: 26px 2px max(36px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    color: rgba(238, 242, 255, 0.38);
    font-size: 0.59rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.catalog-footer p { margin: 0; }

@keyframes orbit {
    to { transform: rotate(360deg); }
}

@media (max-width: 760px) {
    .site-nav {
        grid-template-columns: 1fr auto;
    }

    .nav-title {
        justify-self: end;
        padding-right: 10px;
    }

    .nav-count {
        display: none;
    }

    .catalog-hero {
        min-height: 92svh;
        padding-right: 20px;
        padding-left: 20px;
    }

    h1 {
        font-size: clamp(4rem, 20vw, 7rem);
    }

    .hero-orbit {
        top: 30%;
        right: -68vw;
        width: 130vw;
    }

    .catalog {
        width: calc(100% - 24px);
        padding-top: 56px;
    }

    .experiment-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .lexicon-block {
        margin-top: 92px;
    }

    .lexicon-heading h2 {
        font-size: clamp(2.7rem, 12vw, 4.5rem);
    }

    .experiment-card {
        border-radius: 22px;
    }

    .card-visual {
        min-height: min(70vw, 360px);
        border-radius: 15px;
    }

    .card-meta {
        min-height: 96px;
        padding-right: 8px;
        padding-left: 8px;
    }

    .card-meta p {
        line-height: 1.45;
    }

    .preview-label {
        right: 11px;
        bottom: 11px;
        min-height: 24px;
        padding-inline: 8px;
        font-size: 0.43rem;
    }

    .catalog-footer {
        width: calc(100% - 28px);
        justify-content: center;
        text-align: center;
    }

    .catalog-footer p:last-child {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
    }

    .experiment-card {
        transform: none !important;
    }

    .card-visual,
    .card-visual *,
    .card-visual::before,
    .card-visual::after,
    .card-visual *::before,
    .card-visual *::after {
        animation: none !important;
    }
}

@media (prefers-reduced-transparency: reduce) {
    .site-nav {
        background: #0d1222;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}