/* AIRTOX · cinematic showcase (concept by Droppe).
   Language: black cinema, 2.39:1 scope frames with type set in the bars, italic expanded display (Archivo italic at
   full width stands in for AIRTOX's licensed Sharp Grotesk), a mono HUD for norm codes, AIRTOX red and each model's own
   world colour. Film grain is a CSS overlay. Motion: Shoppe timing (200 ms in, 150 ms out, 450 ms spring reveals). */

@font-face { font-family: 'Archivo'; font-style: italic; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url(fonts/Archivo-italic-100-900-latin.woff2) format('woff2'); }
@font-face { font-family: 'Archivo'; font-style: normal; font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; src: url(fonts/Archivo-normal-100-900-latin.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 300 800; font-display: swap; src: url(fonts/Inter-latin.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url(fonts/IBMPlexMono-normal-500-latin.woff2) format('woff2'); }

:root {
  --black: #070708; --ink: #0d0d0f; --panel: #141417; --line: rgba(255, 255, 255, 0.12); --line-2: rgba(255, 255, 255, 0.22);
  --white: #f4f4f4; --dim: rgba(244, 244, 244, 0.62); --faint: rgba(244, 244, 244, 0.38);
  --red: #DD1C36; --yellow: #FFD503; --world: var(--red);
  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif; --ui: 'Inter', 'Helvetica Neue', Arial, sans-serif; --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1); --ease-in: cubic-bezier(0.32, 0, 0.67, 0); --spring: cubic-bezier(0.2, 0.8, 0.2, 1);
  --pop: linear(0, 0.05 1.2%, 0.47 4.8%, 1.03 10%, 1.13 14.4%, 1.02 22.5%, 0.99 27.5%, 1);
  --fast: 120ms; --base: 200ms; --exit: 150ms; --slow: 320ms; --reveal: 450ms;
  --px: clamp(16px, 3vw, 40px);
  --scope: min(calc(100vw / 2.39), calc(100vh - 240px));
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--black); color: var(--white); -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
body { margin: 0; font: 400 16px/1.55 var(--ui); background: var(--black); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p { margin: 0; }
:focus-visible { outline: 2px solid var(--white); outline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.disp { font-family: var(--display); font-style: italic; font-weight: 850; font-stretch: 125%; letter-spacing: -0.02em; line-height: 0.88; text-transform: uppercase; }
.hud { font: 500 11.5px/1.3 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; }
.red { color: var(--red); }

/* film grain over everything, never interactive */
.grain { position: fixed; inset: -50%; z-index: 90; pointer-events: none; background: url(img/grain.webp); opacity: 0.07; mix-blend-mode: overlay; animation: grain 0.9s steps(6) infinite; }
@keyframes grain { 0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); } 60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); } }

/* top bar */
.bar { position: fixed; left: 0; right: 0; top: 0; z-index: 60; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px var(--px) 26px; background: linear-gradient(rgba(7, 7, 8, 0.82), rgba(7, 7, 8, 0)); }
.bar__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.bar__logo img:first-child { height: 26px; width: auto; }
.bar__logo img:last-child { height: 16px; width: auto; filter: invert(1); }
.bar nav { display: none; gap: 22px; }
.bar nav a { text-decoration: none; }
@media (min-width: 60em) { .bar nav { display: flex; } }
.bar__cta { padding: 9px 14px; border: 1.5px solid currentColor; border-radius: 999px; text-decoration: none; }
.concept { position: fixed; left: 50%; bottom: 14px; z-index: 61; transform: translateX(-50%); padding: 7px 12px; border-radius: 999px; background: rgba(20, 20, 23, 0.8); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: var(--dim); white-space: nowrap; transition: opacity var(--slow) var(--ease); }
.concept b { color: var(--white); font-weight: 500; }
@media (max-width: 47.99em) { .concept { font-size: 9.5px; letter-spacing: 0.1em; max-width: calc(100vw - 24px); white-space: normal; text-align: center; } }
html.past-open .concept { opacity: 0; pointer-events: none; }

/* ---------- 1. cold open: cinema reveal ---------- */
.open { position: relative; height: 180vh; }
.open__stage { position: sticky; top: 0; height: 100vh; overflow: hidden; display: grid; place-items: center; background: var(--black); }
.open__frame { position: relative; width: 100vw; height: var(--scope); max-height: 100vh; overflow: hidden; transform: scale(calc(1 - var(--p, 0) * 0.1)); opacity: calc(1 - var(--p, 0) * 0.5); }
/* letterbox reveal: two black halves retract over a full-size poster (no layout change, so no CLS and an early LCP) */
.open__frame::before, .open__frame::after { content: ""; position: absolute; left: 0; right: 0; height: 51%; z-index: 4; background: var(--black); transform: scaleY(0); transition: transform 1.4s var(--spring); pointer-events: none; }
.open__frame::before { top: 0; transform-origin: top; }
.open__frame::after { bottom: 0; transform-origin: bottom; }
.open.is-intro .open__frame::before, .open.is-intro .open__frame::after { transform: scaleY(1); transition: none; }
.open__frame video, .open__frame .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.open__frame .poster { z-index: 0; }
.open__frame video { z-index: 1; opacity: 0; transition: opacity var(--slow) var(--ease); }
.open__frame video.is-live { opacity: 1; }
.open__fear { position: absolute; z-index: 3; left: 50%; top: 50%; width: min(64vw, 900px); transform: translate(-50%, -50%) scale(calc(1 + var(--p, 0) * 0.4)); opacity: 0; transition: opacity var(--reveal) var(--ease); filter: drop-shadow(0 12px 40px rgba(0, 0, 0, 0.5)); pointer-events: none; }
.open.is-fear .open__fear { opacity: 1; }
.open__fear img { width: 100%; height: auto; }
.open__sub { position: absolute; z-index: 3; left: 50%; bottom: 7%; transform: translateX(-50%); padding: 3px 10px; background: #000; color: #fff; font: 800 italic clamp(15px, 1.4vw, 21px)/1.3 var(--display); font-stretch: 110%; white-space: nowrap; opacity: 0; transition: opacity var(--base) var(--ease); }
.open__sub.is-on { opacity: 1; }
.open__top, .open__bottom { position: absolute; left: var(--px); right: var(--px); z-index: 3; display: flex; justify-content: space-between; align-items: center; gap: 16px; color: var(--dim); }
.open__top { top: calc((100vh - var(--scope)) / 4 + 12px); transform: translateY(-50%); }
.open__bottom { bottom: calc((100vh - var(--scope)) / 4); transform: translateY(50%); }
.open__rec::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-right: 8px; vertical-align: 0; animation: rec 1.2s steps(2) infinite; }
@keyframes rec { 50% { opacity: 0; } }
.btn { display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 20px; border-radius: 999px; font: 700 12px/1 var(--ui); letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; transition: transform var(--base) var(--ease), background-color var(--fast), color var(--fast); }
.btn:active { transform: scale(0.97); }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: #f02a45; }
.btn--ghost { border: 1.5px solid var(--line-2); color: var(--white); }
.btn--ghost:hover { background: var(--white); color: var(--black); }
.btn svg { width: 14px; height: 14px; }
@media (max-width: 47.99em) {
  :root { --scope: 125vw; }
  .open__stage { align-content: start; padding-top: 92px; }
  .open__frame { width: 100vw; height: min(125vw, calc(100vh - 290px)); }
  .open__top { top: 64px; transform: none; } .open__top span:last-child { display: none; } .open__bottom { bottom: 64px; transform: none; flex-direction: column; align-items: flex-start; }
  .open__sub { font-size: 14px; }
  .open__fear { width: 86vw; }
}

/* ---------- 2. lineup ---------- */
.lineup { position: relative; padding: 18vh var(--px) 10vh; }
.lineup__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 36px; }
.lineup__head h2 { font-size: clamp(44px, 7vw, 120px); }
.lineup__head p { max-width: 38ch; color: var(--dim); }
.lineup__row { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 60em) { .lineup__row { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 62vw; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; margin: 0 calc(-1 * var(--px)); padding: 0 var(--px); } .lineup__row::-webkit-scrollbar { display: none; } }
.pick { position: relative; display: grid; grid-template-rows: auto 1fr auto; gap: 10px; min-height: 360px; padding: 16px; border-radius: 18px; background: radial-gradient(120% 90% at 50% 45%, color-mix(in srgb, var(--world) 26%, #141417) 0%, #111113 70%); text-decoration: none; overflow: hidden; isolation: isolate; scroll-snap-align: start; transition: transform var(--slow) var(--spring); }
.pick:hover, .pick.rv.is-in:hover { transform: translateY(-4px); }
.pick__no { color: var(--faint); }
.pick__img { position: relative; align-self: center; }
.pick__img img { width: 100%; height: auto; transform: rotate(-6deg) scale(1.05); filter: drop-shadow(0 22px 26px rgba(0, 0, 0, 0.55)); transition: transform var(--reveal) var(--spring); }
.pick:hover .pick__img img { transform: rotate(-12deg) scale(1.12) translateY(-6px); }
.pick video { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity var(--slow) var(--ease); }
.pick.is-playing video { opacity: 0.55; }
.pick h3 { font-size: clamp(22px, 1.8vw, 30px); }
.pick h3.is-long { font-size: clamp(16px, 1.25vw, 21px); }
.pick__code { margin-top: 6px; color: color-mix(in srgb, var(--world) 62%, #fff); }

/* ---------- 3. chapters: scope stage with type in the bars ---------- */
.chapter { position: relative; height: 330vh; }
.chapter__stage { position: sticky; top: 0; height: 100vh; overflow: hidden; background: var(--black); }
.chapter__stage::before { content: ""; position: absolute; inset: 0; background: radial-gradient(70% 60% at 50% 50%, color-mix(in srgb, var(--world) 22%, transparent), transparent 70%); opacity: 0.8; }
.frame { position: absolute; left: 0; right: 0; top: 50%; height: var(--scope); transform: translateY(-50%); overflow: hidden; background: #000; clip-path: inset(calc((1 - var(--open, 1)) * 50%) 0); }
.frame video, .frame .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(var(--push, 1)); transition: transform 1.2s var(--ease); }
.frame video { opacity: 0; transition: opacity var(--slow) var(--ease), transform 1.2s var(--ease); }
.frame video.is-live { opacity: 1; }
.frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0) 45%); pointer-events: none; }
.ch-top, .ch-bottom { position: absolute; left: var(--px); right: var(--px); z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 18px; }
.ch-top { top: calc((100vh - var(--scope)) / 4 + 12px); transform: translateY(-50%); }
.ch-top .hud:first-child { color: color-mix(in srgb, var(--world) 62%, #fff); }
.ch-bottom { bottom: calc((100vh - var(--scope)) / 4); transform: translateY(50%); align-items: flex-end; }
.ch-spec { color: var(--faint); margin-bottom: 8px; opacity: 0; transition: opacity var(--reveal) var(--ease); }
.chapter.p3 .ch-spec { opacity: 1; }
.ch-name { position: absolute; z-index: 3; left: var(--px); top: 50%; transform: translateY(-50%); max-width: 56vw; }
.ch-name h2 { font-size: clamp(56px, 10.5vw, 190px); color: var(--white); text-shadow: 0 8px 40px rgba(0, 0, 0, 0.45); }
.ch-name.is-long h2 { font-size: clamp(48px, 7.4vw, 130px); }
.ch-name h2 .o { color: transparent; -webkit-text-stroke: 2px var(--white); }
.ch-name p { margin-top: 14px; font: 800 italic clamp(18px, 1.8vw, 28px)/1.15 var(--display); font-stretch: 112%; }
.ch-name .ch-text { margin-top: 10px; max-width: 42ch; font: 400 15px/1.5 var(--ui); color: var(--dim); }
.ch-name > * { opacity: 0; transform: translateY(24px); transition: opacity var(--reveal) var(--spring), transform var(--reveal) var(--spring); }
.chapter.p1 .ch-name > * { opacity: 1; transform: none; }
.chapter.p1 .ch-name > :nth-child(2) { transition-delay: 90ms; } .chapter.p1 .ch-name > :nth-child(3) { transition-delay: 180ms; }
.beats { position: absolute; z-index: 3; right: var(--px); top: 50%; transform: translateY(-50%); display: grid; gap: 12px; width: min(360px, 32vw); }
.beat { padding: 14px 16px 16px; border-left: 2px solid var(--world); background: linear-gradient(90deg, rgba(8, 8, 9, 0.72), rgba(8, 8, 9, 0.35)); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); opacity: 0; transform: translateX(30px); transition: opacity var(--reveal) var(--spring), transform var(--reveal) var(--spring); }
.beat.is-on { opacity: 1; transform: none; }
.beat b { display: flex; align-items: baseline; gap: 6px; font: 850 italic clamp(40px, 4vw, 64px)/0.9 var(--display); font-stretch: 125%; letter-spacing: -0.02em; }
.beat b small { font: 700 italic 16px/1 var(--display); font-stretch: 115%; color: color-mix(in srgb, var(--world) 62%, #fff); }
.beat span { display: block; margin-top: 8px; font-size: 13.5px; line-height: 1.4; color: var(--dim); }
.decoder { display: flex; flex-wrap: wrap; gap: 6px; }
.code { position: relative; height: 30px; padding: 0 10px; border-radius: 6px; border: 1px solid var(--line-2); display: inline-flex; align-items: center; font: 600 12px/1 var(--mono); letter-spacing: 0.06em; color: var(--white); background: rgba(10, 10, 12, 0.6); opacity: 0; transform: translateY(10px); transition: opacity var(--base) var(--ease), transform var(--reveal) var(--pop), background-color var(--fast), border-color var(--fast); }
.code:first-child { background: var(--world); border-color: var(--world); color: #fff; }
.chapter.p3 .code { opacity: 1; transform: none; }
.code:hover { border-color: var(--white); }
.code[data-tip]:hover::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 0; width: max-content; max-width: 260px; padding: 8px 10px; border-radius: 8px; background: #fff; color: #111; font: 500 12.5px/1.35 var(--ui); letter-spacing: 0; text-transform: none; z-index: 5; }
.ch-cta { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; opacity: 0; transform: translateY(10px); transition: opacity var(--reveal) var(--spring), transform var(--reveal) var(--spring); }
.chapter.p3 .ch-cta { opacity: 1; transform: none; }
.ch-progress { position: absolute; left: 0; bottom: 0; height: 2px; width: calc(var(--p, 0) * 100%); background: var(--world); z-index: 4; }
@media (max-width: 47.99em) {
  .chapter { height: 300vh; }
  .frame { top: 56px; transform: none; height: min(125vw, 58vh); }
  .frame::after { background: linear-gradient(0deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0) 45%); }
  .ch-top { top: 68px; transform: none; }
  .ch-top .hud:first-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .ch-top .hud:last-child { display: none; }
  .ch-name { top: calc(56px + min(125vw, 58vh) - 12px); transform: translateY(-100%); max-width: none; right: var(--px); }
  .ch-name h2, .ch-name.is-long h2 { font-size: 15vw; }
  .ch-name.is-long h2 { font-size: 11vw; }
  .ch-name p { font-size: 17px; }
  .ch-name .ch-text { display: none; }
  .beats { top: calc(56px + min(125vw, 58vh) + 14px); right: var(--px); left: var(--px); transform: none; width: auto; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .beat { padding: 10px; transform: translateY(16px); }
  .beat b { font-size: 24px; font-stretch: 100%; flex-wrap: wrap; row-gap: 2px; }
  .beat b small { font-size: 12px; }
  .beat span { font-size: 11px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .ch-bottom { bottom: 18px; transform: none; flex-direction: column; align-items: flex-start; gap: 10px; }
  .ch-spec { display: none; }
  .ch-cta { justify-content: flex-start; }
}

/* ---------- 4. LAB 32 innovations: horizontal scroll track ---------- */
.lab { position: relative; height: calc(var(--n, 6) * 90vh); }
.lab__stage { position: sticky; top: 0; height: 100vh; overflow: hidden; display: grid; grid-template-rows: auto 1fr; padding-top: 90px; }
.lab__head { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding: 0 var(--px) 22px; }
.lab__head h2 { font-size: clamp(44px, 7vw, 120px); }
.lab__head h2 span { color: var(--red); }
.lab__track { display: flex; gap: 14px; padding: 0 var(--px) 40px; transform: translateX(calc(var(--x, 0) * -1px)); will-change: transform; }
.tech { position: relative; flex: 0 0 min(78vw, 980px); height: min(62vh, 620px); border-radius: 22px; overflow: hidden; background: #111; isolation: isolate; }
.tech img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(calc(1.14 - var(--t, 0) * 0.14)); transition: transform 0.2s linear; z-index: -1; }
.tech::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.08) 58%); }
.tech__body { position: absolute; left: 28px; bottom: 28px; max-width: min(44ch, 60%); display: grid; gap: 10px; }
.tech__body h3 { font-size: clamp(34px, 3.6vw, 60px); }
.tech__body p { color: var(--dim); font-size: 15px; }
.tech__in { display: flex; flex-wrap: wrap; gap: 6px; }
.tech__in span { padding: 5px 9px; border-radius: 999px; background: rgba(255, 255, 255, 0.1); font: 600 11px/1 var(--mono); letter-spacing: 0.06em; }
.tech__no { position: absolute; right: 22px; top: 18px; color: var(--faint); }
@media (max-width: 47.99em) { .tech { flex-basis: 86vw; height: 64vh; } .tech__body { max-width: none; right: 22px; left: 22px; } .tech::after { background: linear-gradient(0deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0) 60%); } }

/* ---------- 5. films: cinema library + player ---------- */
.films { padding: 16vh var(--px) 10vh; }
.films__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 30px; }
.films__head h2 { font-size: clamp(44px, 7vw, 120px); }
.films__grid { display: grid; gap: 12px; grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 60em) { .films__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.film-card { position: relative; aspect-ratio: 16 / 10; border-radius: 16px; overflow: hidden; background: #111; text-align: left; isolation: isolate; }
.film-card:first-child { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.film-card:last-child { grid-column: span 2; aspect-ratio: auto; }
.film-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1s var(--ease), filter var(--slow); filter: saturate(0.85); }
.film-card:hover img { transform: scale(1.05); filter: saturate(1.05); }
.film-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0) 55%); }
.film-card__body { position: absolute; left: 16px; right: 16px; bottom: 14px; display: grid; gap: 4px; }
.film-card h3 { font: 850 italic clamp(20px, 2vw, 34px)/0.95 var(--display); font-stretch: 118%; text-transform: uppercase; }
.film-card:first-child h3 { font-size: clamp(34px, 4vw, 64px); }
.film-card .hud { color: var(--dim); }
.film-card__play { position: absolute; right: 14px; top: 14px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255, 255, 255, 0.9); color: #000; display: grid; place-items: center; transition: transform var(--base) var(--pop), background-color var(--fast); }
.film-card:hover .film-card__play { transform: scale(1.1); background: var(--red); color: #fff; }
.film-card__play svg { width: 16px; height: 16px; margin-left: 3px; }
.cinema { position: fixed; inset: 0; z-index: 100; background: #000; display: grid; grid-template-rows: auto 1fr auto; opacity: 0; visibility: hidden; transition: opacity var(--exit) var(--ease-in), visibility 0s linear var(--exit); }
.cinema.is-open { opacity: 1; visibility: visible; transition: opacity var(--slow) var(--ease), visibility 0s; }
html.cinema-open { overflow: hidden; }
.cinema__top, .cinema__bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px var(--px); }
.cinema__top h3 { font: 850 italic 22px/1 var(--display); font-stretch: 118%; text-transform: uppercase; }
.cinema video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.cinema__bar { flex: 1; height: 3px; background: rgba(255, 255, 255, 0.18); border-radius: 2px; overflow: hidden; cursor: pointer; }
.cinema__bar i { display: block; height: 100%; width: 100%; transform-origin: left; transform: scaleX(0); background: var(--red); }
.cinema .icon-btn { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, 0.12); }
.cinema .icon-btn:hover { background: rgba(255, 255, 255, 0.24); }
.cinema .icon-btn svg { width: 18px; height: 18px; }

/* ---------- 6. arena picker ---------- */
.arena { padding: 12vh var(--px); display: grid; gap: 28px; grid-template-columns: 1fr; }
@media (min-width: 64em) { .arena { grid-template-columns: 0.9fr 1.1fr; align-items: center; } }
.arena h2 { font-size: clamp(40px, 5.6vw, 96px); }
.arena__opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 24px; }
.arena__opt { padding: 16px; border-radius: 14px; border: 1.5px solid var(--line); text-align: left; display: grid; gap: 4px; transition: border-color var(--fast), background-color var(--base), transform var(--fast) var(--ease); }
.arena__opt:hover { border-color: var(--line-2); }
.arena__opt:active { transform: scale(0.98); }
.arena__opt b { font: 800 italic 19px/1.1 var(--display); font-stretch: 112%; text-transform: uppercase; }
.arena__opt span { font-size: 13px; color: var(--dim); }
.arena__opt[aria-pressed="true"] { background: var(--white); color: var(--black); border-color: var(--white); }
.arena__opt[aria-pressed="true"] span { color: rgba(0, 0, 0, 0.6); }
.arena__result { position: relative; border-radius: 22px; overflow: hidden; min-height: 460px; background: radial-gradient(90% 80% at 60% 45%, color-mix(in srgb, var(--world) 30%, #121214), #0c0c0e 72%); padding: 28px; display: grid; grid-template-rows: auto 1fr auto; isolation: isolate; transition: background 0.6s var(--ease); }
.arena__result img { position: absolute; right: -6%; top: 50%; width: 78%; transform: translateY(-50%) rotate(-8deg); filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.6)); z-index: -1; animation: shoeIn 0.7s var(--spring) both; }
@keyframes shoeIn { from { opacity: 0; transform: translate(12%, -50%) rotate(-2deg) scale(0.94); } }
.arena__result > :not(img) { position: relative; }
.arena__result .btn--ghost { background: rgba(10, 10, 12, 0.72); }
.arena__result .btn--ghost:hover { background: var(--white); }
.arena__result h3 { font-size: clamp(44px, 5vw, 84px); }
.arena__why { max-width: 36ch; color: var(--dim); margin-top: 10px; }
@media (max-width: 47.99em) { .arena__result { min-height: 520px; } .arena__result img { width: 96%; right: -12%; top: 58%; } }

/* ---------- 7. end card ---------- */
.end { position: relative; min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 16vh var(--px) 10vh; overflow: hidden; isolation: isolate; }
.end video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.15) brightness(0.45); z-index: -2; }
.end::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 60% at 50% 50%, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.85)); }
.end__fear { width: min(70vw, 980px); height: auto; margin: 0 auto; }
.end p { margin-top: 18px; color: var(--dim); }
.end__ctas { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.foot { padding: 28px var(--px) 80px; display: flex; flex-wrap: wrap; gap: 16px 30px; justify-content: space-between; color: var(--faint); font-size: 13px; border-top: 1px solid var(--line); }
.foot a { color: var(--dim); }

/* reveal */
.rv { opacity: 0; transform: translateY(26px); transition: opacity var(--reveal) var(--spring), transform var(--reveal) var(--spring); transition-delay: var(--d, 0ms); }
.rv.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
  .grain { display: none; }
  .open.is-intro .open__frame::before, .open.is-intro .open__frame::after { transform: scaleY(0); }
  .rv, .beat, .code, .ch-cta, .ch-name > * { opacity: 1 !important; transform: none !important; }
}

/* ---------- 8. order sheet: model, sizes, bag ---------- */
.pick__price { display: block; margin-top: 8px; font: 800 italic 20px/1 var(--display); font-stretch: 110%; }
.order { position: fixed; inset: 0; z-index: 95; }
.order__scrim { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); opacity: 0; transition: opacity var(--base) var(--ease); }
.order__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(560px, 100vw); overflow-y: auto; overscroll-behavior: contain; background: var(--panel); border-left: 1px solid var(--line); padding: 18px 22px 40px; transform: translateX(100%); transition: transform var(--reveal) var(--spring); }
.order.is-open .order__scrim { opacity: 1; }
.order.is-open .order__panel { transform: none; }
html.order-open { overflow: hidden; }
.order__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.order__top h2 { font-size: 34px; }
.order__x { width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid var(--line-2); }
.order__models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.order__models button { display: grid; gap: 4px; justify-items: center; padding: 8px 6px; border-radius: 12px; border: 1.5px solid var(--line); background: radial-gradient(120% 90% at 50% 40%, color-mix(in srgb, var(--world) 18%, #18181b), #121214); font: 700 11px/1.2 var(--ui); letter-spacing: 0.06em; text-transform: uppercase; }
.order__models button img { height: 46px; width: 100%; object-fit: contain; }
.order__models button[aria-selected="true"] { border-color: var(--world); box-shadow: inset 0 0 0 1px var(--world); }
.op__head { display: grid; grid-template-columns: 1.1fr 1fr; gap: 14px; align-items: center; margin: 18px 0 8px; padding: 14px; border-radius: 16px; background: radial-gradient(120% 90% at 30% 50%, color-mix(in srgb, var(--world) 30%, #151517), #111113 72%); }
.op__head img { width: 100%; filter: drop-shadow(0 14px 18px rgba(0, 0, 0, 0.5)); }
.op__head .hud { color: color-mix(in srgb, var(--world) 62%, #fff); }
.op__head h3 { font-size: 30px; margin: 6px 0 10px; }
.op__head h3 .o { -webkit-text-stroke: 1px var(--white); color: transparent; }
.op__price { font: 800 italic 26px/1 var(--display); font-stretch: 110%; }
.op__price .hud { display: block; margin-top: 6px; font-style: normal; color: var(--dim); }
.op__label { color: var(--dim); margin: 16px 0 10px; }
.op__sizes { display: grid; grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); gap: 6px; }
.op__sizes button { position: relative; height: 46px; border-radius: 10px; border: 1.5px solid var(--line); font: 600 15px/1 var(--ui); transition: background var(--fast), border-color var(--fast); }
.op__sizes button:hover { border-color: var(--line-2); }
.op__sizes button.is-on { background: var(--white); color: var(--black); border-color: var(--white); }
.op__sizes i { position: absolute; top: -7px; right: -5px; min-width: 22px; height: 18px; padding: 0 4px; border-radius: 999px; background: var(--red); color: #fff; font: 700 10.5px/18px var(--ui); font-style: normal; }
.op__row { display: flex; justify-content: flex-end; align-items: center; gap: 14px; margin-top: 14px; }
.op__add[disabled] { opacity: 0.45; cursor: default; }
.op__clear { color: var(--dim); text-decoration: underline; }
.order__bag { margin-top: 26px; padding-top: 6px; border-top: 1px solid var(--line); }
.ob__lines { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ob__lines li { display: grid; grid-template-columns: 64px 1fr auto auto; gap: 12px; align-items: center; padding: 8px 10px; border-radius: 12px; background: #1a1a1e; }
.ob__lines img { width: 64px; height: 40px; object-fit: contain; }
.ob__lines b { font-weight: 700; }
.ob__lines .hud { display: block; color: var(--dim); margin-top: 3px; }
.ob__qty { display: inline-flex; align-items: center; gap: 8px; }
.ob__qty button { width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--line-2); }
.ob__total { display: flex; justify-content: space-between; align-items: baseline; margin: 16px 2px 8px; font-size: 17px; }
.ob__total b { font: 800 italic 28px/1 var(--display); font-stretch: 110%; }
.ob__terms { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--dim); }
.ob__go { width: 100%; justify-content: center; }
.ob__note { margin-top: 12px; font-size: 13.5px; color: var(--dim); }
.ob__empty { color: var(--dim); font-size: 14.5px; margin-top: 14px; }
@media (prefers-reduced-motion: reduce) { .order__panel, .order__scrim { transition: none; } }