:root {
    --ink: #11171e;
    --paper: #eef1f2;
    --line: rgba(17, 23, 30, .27);
    --glass: rgba(235, 238, 239, .62);
    --safe-x: clamp(18px, 2.35vw, 44px);
    --safe-y: clamp(18px, 2.15vw, 36px);
    --copy-width: min(31rem, 35vw);
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; background: #76838e; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    color: var(--ink);
    background: #76838e;
    font-family: "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: geometricPrecision;
}
button, a { font: inherit; }
button { color: inherit; }

.studio-experience {
    position: fixed;
    inset: 0;
    overflow: hidden;
    isolation: isolate;
    background: #9da5ae;
}

#studioWebgl {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.studio-vignette,
.studio-grain {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.studio-vignette {
    z-index: 1;
    background:
        radial-gradient(circle at 54% 47%, transparent 34%, rgba(17,23,30,.035) 71%, rgba(17,23,30,.13) 122%),
        linear-gradient(180deg, rgba(255,255,255,.035), transparent 28%, rgba(17,23,30,.04));
}
.studio-grain {
    z-index: 2;
    opacity: .055;
    mix-blend-mode: soft-light;
    background-image:
        repeating-radial-gradient(circle at 19% 21%, rgba(255,255,255,.25) 0 1px, transparent 1px 5px),
        repeating-radial-gradient(circle at 71% 61%, rgba(0,0,0,.13) 0 1px, transparent 1px 6px);
    background-size: 10px 10px, 13px 13px;
    animation: studioGrain .7s steps(2) infinite;
}
@keyframes studioGrain {
    0% { transform: translate3d(-.45%, .45%, 0); }
    50% { transform: translate3d(.45%, -.4%, 0); }
    100% { transform: translate3d(0, .3%, 0); }
}

.studio-hud {
    position: absolute;
    z-index: 12;
    left: var(--safe-x);
    right: var(--safe-x);
    display: grid;
    pointer-events: none;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 8px;
    line-height: 1.35;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.studio-hud--top {
    top: var(--safe-y);
    grid-template-columns: minmax(180px, 1fr) auto minmax(145px, 1fr);
    align-items: start;
}
.studio-hud--bottom {
    bottom: max(var(--safe-y), env(safe-area-inset-bottom));
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
}

.studio-brand {
    justify-self: start;
    color: inherit;
    text-decoration: none;
    pointer-events: auto;
}
.studio-brand strong {
    display: block;
    font-family: "Arial Black", "Helvetica Neue", sans-serif;
    font-size: clamp(19px, 1.75vw, 30px);
    line-height: .84;
    letter-spacing: -.075em;
    font-weight: 900;
}
.studio-brand strong span { margin-left: .08em; font-size: .36em; vertical-align: top; }
.studio-brand small { display: block; margin-top: 6px; font-size: 7px; letter-spacing: .13em; }

.studio-meta {
    justify-self: center;
    display: flex;
    gap: 25px;
    padding-top: 2px;
}

.studio-sound {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    pointer-events: auto;
    font-family: inherit;
    font-size: inherit;
    letter-spacing: inherit;
}
.studio-sound__dot { width: 6px; height: 6px; border: 1px solid currentColor; border-radius: 50%; }
.studio-sound[aria-pressed="true"] .studio-sound__dot { background: currentColor; }

/* Igloo-inspired restraint: copy stays small; the 3D object is the hero. */
.studio-copy {
    position: absolute;
    z-index: 9;
    left: var(--safe-x);
    bottom: clamp(94px, 10.8vh, 142px);
    width: var(--copy-width);
    opacity: 0;
    transform: translate3d(0, 10px, 0);
    transition: opacity .34s ease, transform .48s cubic-bezier(.22,1,.36,1);
    pointer-events: none;
}
.studio-copy.is-active {
    opacity: 1;
    transform: translate3d(0,0,0);
}

.studio-copy__eyebrow {
    margin-bottom: 9px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 8px;
    line-height: 1.3;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.studio-copy h1,
.studio-copy h2 {
    margin: 0;
    max-width: 100%;
    font-size: clamp(34px, 3.35vw, 58px);
    line-height: .91;
    letter-spacing: -.063em;
    font-weight: 850;
    text-transform: uppercase;
}
.studio-copy h2 { font-size: clamp(31px, 3vw, 52px); }
.studio-copy em {
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 400;
    letter-spacing: -.045em;
    text-transform: none;
}
.studio-copy p {
    width: min(29rem, 94%);
    margin: 12px 0 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 9px;
    line-height: 1.5;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.system-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
    margin-top: 15px;
    pointer-events: auto;
}
.system-list button {
    min-height: 29px;
    padding: 6px 9px 5px;
    border: 1px solid rgba(17,23,30,.25);
    background: rgba(236,239,241,.16);
    backdrop-filter: blur(8px);
    cursor: pointer;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 7.5px;
    line-height: 1.2;
    letter-spacing: .08em;
    text-transform: uppercase;
    transition: color .16s ease, background .16s ease, border-color .16s ease, transform .16s ease;
}
.system-list button:hover,
.system-list button:focus-visible,
.system-list button.is-selected {
    color: #f4f5f6;
    background: var(--ink);
    border-color: var(--ink);
    transform: translateY(-1px);
    outline: none;
}

.system-detail {
    position: absolute;
    z-index: 13;
    top: clamp(82px, 10vh, 112px);
    right: var(--safe-x);
    width: min(305px, calc(100vw - 36px));
    padding: 12px 13px 13px;
    border: 1px solid rgba(17,23,30,.28);
    background: var(--glass);
    backdrop-filter: blur(13px);
    opacity: 0;
    transform: translate3d(0,-7px,0);
    visibility: hidden;
    pointer-events: none;
    transition: opacity .18s ease, transform .22s ease, visibility .22s ease;
}
.system-detail.is-visible { opacity: 1; transform: translate3d(0,0,0); visibility: visible; }
.system-detail::before {
    content: "";
    position: absolute;
    left: -1px;
    top: -1px;
    width: 3px;
    height: calc(100% + 2px);
    background: var(--detail-accent, #243647);
}

.system-detail__index,
.system-detail__group {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 7.5px;
    line-height: 1.3;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.system-detail__index { opacity: .55; }
.system-detail__group { margin-top: 7px; opacity: .76; }
.system-detail strong {
    display: block;
    margin-top: 5px;
    font-size: clamp(20px, 1.65vw, 27px);
    line-height: 1;
    letter-spacing: -.035em;
    text-transform: uppercase;
}
.system-detail p {
    margin: 8px 0 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 8.5px;
    line-height: 1.5;
    letter-spacing: .025em;
    text-transform: uppercase;
}

.studio-replay {
    margin-top: 18px;
    padding: 9px 12px 8px;
    border: 1px solid currentColor;
    background: rgba(236,239,241,.11);
    backdrop-filter: blur(6px);
    cursor: pointer;
    pointer-events: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 8px;
    letter-spacing: .08em;
    transition: background .16s ease, color .16s ease;
}
.studio-replay:hover,
.studio-replay:focus-visible { background: var(--ink); color: #f4f5f6; outline: none; }

.studio-scroll-cue { justify-self: start; display: flex; align-items: center; gap: 9px; transition: opacity .28s ease; }
.studio-scroll-cue i { position: relative; width: 48px; height: 1px; overflow: hidden; background: var(--line); }
.studio-scroll-cue i::after {
    content: "";
    position: absolute;
    inset: 0;
    width: 55%;
    background: var(--ink);
    animation: studioCue 1.8s ease-in-out infinite;
}
@keyframes studioCue { from { transform: translateX(-110%); } to { transform: translateX(210%); } }

.studio-scene-index { justify-self: center; display: flex; align-items: center; gap: 8px; }
.studio-scene-index i { width: 32px; height: 1px; background: var(--ink); opacity: .42; }
.studio-status { justify-self: end; display: flex; gap: 14px; }

.studio-crosshair {
    position: absolute;
    z-index: 5;
    left: 50%;
    top: 50%;
    width: 24px;
    height: 24px;
    transform: translate(-50%,-50%);
    opacity: .09;
    pointer-events: none;
}
.studio-crosshair i { position: absolute; background: var(--ink); }
.studio-crosshair i:first-child { left: 50%; top: 0; width: 1px; height: 100%; }
.studio-crosshair i:last-child { top: 50%; left: 0; width: 100%; height: 1px; }

.studio-cursor,
.studio-cursor-dot {
    position: fixed;
    z-index: 40;
    left: 0;
    top: 0;
    border-radius: 50%;
    pointer-events: none;
    transform: translate3d(-100px,-100px,0);
}
.studio-cursor { width: 32px; height: 32px; border: 1px solid rgba(17,23,30,.44); }
.studio-cursor-dot { width: 4px; height: 4px; background: var(--ink); }

#studioScrollSpace { height: 860vh; min-height: 6000px; }

.studio-loader {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--safe-y) var(--safe-x);
    background: #11171e;
    color: #eef0f2;
    transition: opacity .55s ease, visibility .55s ease;
}
.studio-loader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.studio-loader__brand {
    font-family: "Arial Black", sans-serif;
    font-size: clamp(46px, 8vw, 132px);
    line-height: .82;
    letter-spacing: -.085em;
}
.studio-loader__brand span { margin-left: .06em; font-size: .28em; vertical-align: top; }
.studio-loader__footer {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-bottom: 9px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 8px;
    letter-spacing: .1em;
}
.studio-loader__track { height: 1px; overflow: hidden; background: rgba(255,255,255,.18); }
.studio-loader__track i { display: block; width: 100%; height: 100%; background: currentColor; transform: scaleX(0); transform-origin: left; }

.studio-webgl-error {
    position: absolute;
    z-index: 90;
    inset: auto var(--safe-x) var(--safe-y);
    display: none;
    max-width: 520px;
    padding: 14px 16px;
    border: 1px solid rgba(17,23,30,.35);
    background: rgba(225,228,232,.90);
    backdrop-filter: blur(10px);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 10px;
    line-height: 1.5;
}
.studio-webgl-error.is-visible { display: grid; gap: 3px; }

@media (max-width: 1100px) {
    :root { --copy-width: min(30rem, 41vw); }
    .studio-meta { gap: 16px; }
    .system-detail { width: 270px; }
}

@media (max-width: 900px) {
    :root { --copy-width: min(29rem, 54vw); }
    .studio-hud--top { grid-template-columns: 1fr 1fr; }
    .studio-meta { display: none; }
    .studio-status span:first-child { display: none; }
    .studio-hud--bottom { grid-template-columns: 1fr auto 1fr; }
    .system-detail { width: 245px; }
}

@media (max-width: 600px) {
    :root {
        --safe-x: 16px;
        --safe-y: 17px;
        --copy-width: calc(100vw - 32px);
    }
    .studio-brand strong { font-size: 23px; }
    .studio-brand small { font-size: 7px; }
    .studio-copy {
        left: 16px;
        right: auto;
        bottom: 91px;
        width: calc(100vw - 32px);
    }
    .studio-copy h1 { font-size: clamp(34px, 10.8vw, 46px); }
    .studio-copy h2 { font-size: clamp(28px, 8.8vw, 39px); }
    .studio-copy p { width: min(25rem, 94%); font-size: 8px; }
    .studio-copy__eyebrow { font-size: 7.5px; }
    .system-list { margin-top: 12px; gap: 5px; }
    .system-list button { min-height: 28px; font-size: 7px; }
    .system-detail {
        top: 75px;
        right: 16px;
        width: min(240px, calc(100vw - 32px));
        padding: 10px 11px;
    }
    .system-detail strong { font-size: 19px; }
    .system-detail p { display: block; font-size: 7.2px; line-height: 1.42; }
    .studio-scroll-cue span { display: none; }
    .studio-scroll-cue i { width: 50px; }
    .studio-status { display: none; }
    .studio-hud--bottom { grid-template-columns: 1fr auto; }
    .studio-scene-index { justify-self: end; }
    .studio-crosshair { opacity: .055; }
    .studio-cursor,
    .studio-cursor-dot { display: none; }
    #studioScrollSpace { height: 820vh; min-height: 5600px; }
}

@media (pointer: coarse) {
    .studio-cursor,
    .studio-cursor-dot { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .studio-grain,
    .studio-scroll-cue i::after { animation: none; }
    .studio-copy,
    .system-detail { transition: none; }
}