:root {
    --bg: #070a0f;
    --surface: rgba(16, 23, 34, .62);
    --surface-strong: rgba(20, 28, 42, .82);
    --line: rgba(255,255,255,.09);
    --line-hot: rgba(139,218,255,.30);

    --text: #f5f7fb;
    --muted: #8995a8;

    --cyan: #6de5ff;
    --blue: #78a7ff;
    --violet: #ab78ff;
    --rose: #f685c4;

    --mx: 50vw;
    --my: 28vh;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
    color-scheme: dark;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;

    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: var(--text);

    background:
        radial-gradient(
            900px 600px at 8% -10%,
            rgba(161, 73, 214, .22),
            transparent 65%
        ),
        radial-gradient(
            900px 700px at 98% 16%,
            rgba(47, 176, 221, .18),
            transparent 66%
        ),
        linear-gradient(
            135deg,
            #070911 0%,
            #08101a 48%,
            #091522 100%
        );
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;

    background:
        radial-gradient(
            560px circle at var(--mx) var(--my),
            rgba(116, 215, 255, .08),
            transparent 60%
        );
}

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

    opacity: .23;

    background-image:
        linear-gradient(
            rgba(255,255,255,.025) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,.025) 1px,
            transparent 1px
        );

    background-size: 72px 72px;

    mask-image:
        linear-gradient(
            to bottom,
            rgba(0,0,0,.75),
            transparent 82%
        );
}

a {
    color: inherit;
}

.shell {
    width: min(1240px, calc(100% - 48px));
    margin: 0 auto;
}

.topbar {
    height: 88px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border-bottom: 1px solid var(--line);
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px;

    text-decoration: none;
    font-size: 14px;
    font-weight: 760;
    letter-spacing: -.01em;
}

.brand-mark {
    width: 24px;
    aspect-ratio: 1;
    border-radius: 7px;

    position: relative;

    background:
        linear-gradient(
            135deg,
            var(--cyan),
            var(--violet)
        );

    box-shadow:
        0 0 28px rgba(109,229,255,.25);
}

.brand-mark::after {
    content: "";
    position: absolute;
    inset: 5px;

    border-radius: 4px;
    background: #0b1018;
}

.top-meta {
    display: flex;
    align-items: center;
    gap: 12px;

    color: var(--muted);
    font-size: 12px;
}

.live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;

    background: #6af2b3;

    box-shadow:
        0 0 0 5px rgba(106,242,179,.07),
        0 0 20px rgba(106,242,179,.45);
}

.hero {
    min-height: 650px;
    padding: 100px 0 84px;

    display: grid;
    grid-template-columns: 1.3fr .7fr;
    gap: 86px;
    align-items: center;
}

.kicker {
    margin-bottom: 24px;

    color: var(--cyan);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .19em;
    text-transform: uppercase;
}

h1 {
    max-width: 760px;
    margin: 0;

    font-size: clamp(72px, 10vw, 150px);
    line-height: .82;

    font-weight: 820;
    letter-spacing: -.075em;
}

.hero-gradient {
    background:
        linear-gradient(
            110deg,
            #ffffff 8%,
            #c8eaff 40%,
            #a68aff 70%,
            #ffffff 98%
        );

    background-size: 220% auto;

    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;

    animation: title-shift 10s ease-in-out infinite alternate;
}

@keyframes title-shift {
    from { background-position: 0% 50%; }
    to   { background-position: 100% 50%; }
}

.lead {
    max-width: 630px;
    margin: 36px 0 0;

    color: #9eabba;
    font-size: 19px;
    line-height: 1.65;
    letter-spacing: -.015em;
}

.hero-actions {
    display: flex;
    gap: 10px;
    margin-top: 38px;
}

.action {
    min-height: 44px;
    padding: 0 17px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid var(--line);
    border-radius: 999px;

    background: rgba(255,255,255,.045);

    color: #e9edf4;
    text-decoration: none;

    font-size: 13px;
    font-weight: 650;

    cursor: pointer;

    backdrop-filter: blur(16px);

    transition:
        transform .2s ease,
        border-color .2s ease,
        background .2s ease;
}

.action:hover {
    transform: translateY(-2px);

    border-color: var(--line-hot);

    background:
        rgba(109,229,255,.08);
}

.action.primary {
    border-color: transparent;

    background:
        linear-gradient(
            120deg,
            rgba(109,229,255,.96),
            rgba(171,120,255,.94)
        );

    color: #08101a;
}

.hero-object {
    min-height: 390px;
    position: relative;

    display: grid;
    place-items: center;
}

.orbit {
    width: min(360px, 90%);
    aspect-ratio: 1;

    position: relative;

    border: 1px solid rgba(255,255,255,.08);
    border-radius: 50%;

    background:
        radial-gradient(
            circle at 32% 30%,
            rgba(255,255,255,.17),
            transparent 22%
        ),
        radial-gradient(
            circle at 56% 54%,
            rgba(84,211,255,.22),
            transparent 48%
        ),
        radial-gradient(
            circle at 70% 72%,
            rgba(174,97,255,.21),
            transparent 47%
        ),
        rgba(13,18,28,.38);

    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.08),
        0 40px 100px rgba(0,0,0,.38),
        0 0 90px rgba(89,188,255,.09);

    backdrop-filter: blur(24px);

    animation: float 7s ease-in-out infinite;
}

.orbit::before,
.orbit::after {
    content: "";
    position: absolute;

    border: 1px solid rgba(255,255,255,.08);
    border-radius: 50%;
}

.orbit::before {
    inset: 32px;
}

.orbit::after {
    inset: 78px;

    border-color:
        rgba(114,219,255,.18);
}

.orbit-core {
    position: absolute;
    inset: 42%;

    border-radius: 50%;

    background:
        linear-gradient(
            145deg,
            var(--cyan),
            var(--violet)
        );

    box-shadow:
        0 0 42px rgba(109,229,255,.45);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50%      { transform: translateY(-14px) rotate(1deg); }
}

.object-label {
    position: absolute;
    right: -4px;
    bottom: 25px;

    padding: 10px 13px;

    border: 1px solid var(--line);
    border-radius: 12px;

    background: rgba(11,16,24,.72);

    color: var(--muted);
    font-size: 11px;

    backdrop-filter: blur(16px);
}

.section-head {
    margin: 0 0 32px;

    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 30px;
}

.section-title {
    margin: 0;

    font-size: 34px;
    line-height: 1;
    letter-spacing: -.045em;
}

.section-note {
    max-width: 380px;
    margin: 0;

    color: var(--muted);
    font-size: 13px;
    line-height: 1.55;
}

.lab-grid {
    display: grid;

    grid-template-columns:
        minmax(0, 1.25fr)
        minmax(0, .75fr)
        minmax(0, .75fr);

    grid-auto-rows: 250px;

    gap: 14px;
}

.tile {
    position: relative;
    overflow: hidden;

    padding: 26px;

    border: 1px solid var(--line);
    border-radius: 25px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.055),
            rgba(255,255,255,.018)
        );

    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.05);

    backdrop-filter:
        blur(20px)
        saturate(130%);

    transition:
        transform .3s ease,
        border-color .3s ease,
        background .3s ease;
}

.tile:hover {
    transform: translateY(-4px);

    border-color:
        rgba(119,211,255,.24);

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.075),
            rgba(255,255,255,.022)
        );
}

.tile.large {
    grid-row: span 2;
}

.tile.wide {
    grid-column: span 2;
}

.tile-number {
    color: rgba(255,255,255,.28);

    font-size: 11px;
    font-weight: 760;
    letter-spacing: .12em;
}

.tile h3 {
    margin: 18px 0 8px;

    font-size: 23px;
    letter-spacing: -.035em;
}

.tile p {
    max-width: 420px;
    margin: 0;

    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.tile-art {
    position: absolute;
    inset: auto -40px -50px auto;

    width: 190px;
    height: 190px;

    border-radius: 48% 52% 63% 37% / 55% 42% 58% 45%;

    filter: blur(.1px);

    background:
        radial-gradient(
            circle at 30% 25%,
            rgba(255,255,255,.3),
            transparent 20%
        ),
        linear-gradient(
            140deg,
            rgba(102,229,255,.55),
            rgba(126,92,255,.23) 46%,
            rgba(245,105,190,.38)
        );

    box-shadow:
        0 0 100px rgba(111,174,255,.14);

    transform: rotate(-12deg);
}

.swatches {
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: 28px;

    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.swatch {
    height: 58px;
    border-radius: 13px;

    border: 1px solid rgba(255,255,255,.08);
}

.swatch:nth-child(1) {
    background: #0c121d;
}

.swatch:nth-child(2) {
    background:
        linear-gradient(
            145deg,
            #5fdcf6,
            #338bb3
        );
}

.swatch:nth-child(3) {
    background:
        linear-gradient(
            145deg,
            #b07bff,
            #6941ac
        );
}

.swatch:nth-child(4) {
    background:
        linear-gradient(
            145deg,
            #f28bc4,
            #8550b9
        );
}

.type-sample {
    position: absolute;
    left: 26px;
    bottom: 23px;

    font-size: 70px;
    line-height: .8;
    font-weight: 830;
    letter-spacing: -.075em;

    color: rgba(255,255,255,.92);
}

.motion-line {
    position: absolute;
    left: 28px;
    right: 28px;
    bottom: 46px;

    height: 1px;

    background:
        linear-gradient(
            90deg,
            transparent,
            var(--cyan),
            var(--violet),
            transparent
        );

    background-size: 200% 100%;

    animation: scan 3s linear infinite;
}

@keyframes scan {
    to { background-position: -200% 0; }
}

.versions {
    padding: 110px 0 120px;
}

.version-list {
    border-top: 1px solid var(--line);
}

.version {
    min-height: 86px;

    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 20px;
    align-items: center;

    border-bottom: 1px solid var(--line);

    transition:
        background .2s ease,
        padding .2s ease;
}

.version:hover {
    padding-left: 12px;
    background:
        linear-gradient(
            90deg,
            rgba(109,229,255,.04),
            transparent 60%
        );
}

.version-code {
    color: var(--muted);
    font-size: 12px;
}

.version-name {
    font-size: 16px;
    font-weight: 650;
}

.version-state {
    color: var(--muted);
    font-size: 12px;
}

.control-dock {
    position: fixed;
    left: 50%;
    bottom: 20px;
    z-index: 30;

    transform: translateX(-50%);

    display: flex;
    align-items: center;
    gap: 5px;

    padding: 5px;

    border: 1px solid rgba(255,255,255,.1);
    border-radius: 999px;

    background: rgba(9,13,20,.75);

    box-shadow:
        0 15px 60px rgba(0,0,0,.45),
        inset 0 1px 0 rgba(255,255,255,.06);

    backdrop-filter: blur(22px);
}

.mode {
    border: 0;
    border-radius: 999px;

    padding: 8px 12px;

    background: transparent;
    color: var(--muted);

    font: inherit;
    font-size: 11px;

    cursor: pointer;
}

.mode.active {
    background:
        rgba(255,255,255,.09);

    color: white;
}

body[data-mode="cold"] {
    --cyan: #64efff;
    --violet: #7795ff;
    --rose: #76dfff;
}

body[data-mode="violet"] {
    --cyan: #9edfff;
    --violet: #b37cff;
    --rose: #ff82cf;
}

footer {
    min-height: 120px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border-top: 1px solid var(--line);

    color: #596577;
    font-size: 11px;
}

@media (max-width: 900px) {
    .shell {
        width: min(100% - 30px, 720px);
    }

    .hero {
        min-height: auto;
        padding-top: 72px;

        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-object {
        min-height: 300px;
    }

    .orbit {
        width: 280px;
    }

    .lab-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
    }

    .tile.large,
    .tile.wide {
        grid-column: auto;
        grid-row: auto;
    }

    .section-head {
        display: block;
    }

    .section-note {
        margin-top: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
    }
}