/* Nudge02 site. Dark, techy, system fonts only (no third-party requests). */
:root {
  --bg: #07080c; --bg2: #0b0d14; --surface: #11131c; --surface2: #171a26; --line: #232736; --line2: #2f3446;
  --text: #eef0f7; --muted: #8f94aa; --dim: #5f647a;
  --accent: #ffd23f; --blue: #5b6cff; --cyan: #38e1ff; --green: #3ddc97; --red: #ff6b6b;
  --radius: 16px; --mono: ui-monospace, 'Cascadia Code', 'SF Mono', Consolas, monospace;
  --sans: 'Segoe UI Variable', 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
img, svg { max-width: 100%; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px; }
.mono { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #111; padding: 8px 14px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }

/* background mesh + grid */
.bgfx { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.bgfx::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 56px 56px; opacity: .22; mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, #000 20%, transparent 75%); }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; animation: drift 22s ease-in-out infinite alternate; }
.orb.a { width: 520px; height: 520px; background: #3b46c9; top: -180px; left: -120px; }
.orb.b { width: 460px; height: 460px; background: #8a6d00; top: 80px; right: -160px; animation-delay: -8s; opacity: .32; }
.orb.c { width: 420px; height: 420px; background: #0b7a93; top: 640px; left: 35%; animation-delay: -14s; opacity: .22; }
@keyframes drift { to { transform: translate3d(60px, 40px, 0) scale(1.12); } }

/* nav */
header.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); background: rgba(7, 8, 12, .72); border-bottom: 1px solid transparent; transition: border-color .3s; }
header.nav.scrolled { border-color: var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -.01em; text-decoration: none; }
.logo svg { width: 28px; height: 28px; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav ul a { text-decoration: none; color: var(--muted); font-size: 15px; transition: color .2s; }
.nav ul a:hover { color: var(--text); }
.menu-btn { display: none; background: none; border: 1px solid var(--line2); color: var(--text); border-radius: 10px; width: 42px; height: 42px; font-size: 18px; cursor: pointer; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 0; border-radius: 12px; padding: 14px 24px; font: 600 16px var(--sans); text-decoration: none; cursor: pointer; transition: transform .18s, box-shadow .25s, background .2s, border-color .2s; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn.primary { background: linear-gradient(180deg, #6577ff, #4657f0); color: #fff; box-shadow: 0 8px 30px -8px rgba(91, 108, 255, .7), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 14px 38px -8px rgba(91, 108, 255, .85), inset 0 1px 0 rgba(255, 255, 255, .3); }
.btn.gold { background: linear-gradient(180deg, #ffe07a, var(--accent)); color: #1a1500; box-shadow: 0 8px 30px -10px rgba(255, 210, 63, .6); }
.btn.gold:hover { transform: translateY(-2px); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line2); }
.btn.ghost:hover { border-color: var(--muted); background: rgba(255, 255, 255, .04); }
.btn.sm { padding: 9px 16px; font-size: 14.5px; border-radius: 10px; }
.btn[disabled] { opacity: .55; cursor: default; transform: none; }

/* hero */
.hero { padding: 72px 0 40px; text-align: center; position: relative; }
.pill { display: inline-flex; align-items: center; gap: 9px; padding: 6px 14px 6px 8px; border: 1px solid var(--line2); border-radius: 99px; background: rgba(255, 255, 255, .03); color: var(--muted); font-size: 14px; margin-bottom: 26px; }
.pill b { background: var(--accent); color: #1a1500; border-radius: 99px; padding: 2px 9px; font-size: 12px; letter-spacing: .04em; }
h1 { font-size: clamp(40px, 7vw, 78px); line-height: 1.02; letter-spacing: -.035em; margin: 0 auto 22px; max-width: 14ch; font-weight: 800; }
h1 .grad, h2 .grad { background: linear-gradient(100deg, var(--accent), #ff9b54 45%, #ff6b9d); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 640px; margin: 0 auto 34px; }
.cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.sub { margin-top: 18px; color: var(--dim); font-size: 14px; font-family: var(--mono); }

/* demo stage */
.stage-wrap { margin: 56px auto 0; max-width: 940px; perspective: 1400px; }
.stage { position: relative; border-radius: 18px; background: linear-gradient(180deg, #151826, #0d0f17); border: 1px solid var(--line2); box-shadow: 0 50px 120px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .03) inset, 0 0 80px -20px rgba(91, 108, 255, .35); overflow: hidden; text-align: left; transform: rotateX(4deg); transform-origin: 50% 100%; aspect-ratio: 16 / 9.2; }
.titlebar { height: 38px; display: flex; align-items: center; gap: 8px; padding: 0 14px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.dot { width: 11px; height: 11px; border-radius: 50%; background: #3a3f55; }
.dot:nth-child(1) { background: #ff5f57; } .dot:nth-child(2) { background: #febc2e; } .dot:nth-child(3) { background: #28c840; }
.titlebar span { margin-left: 12px; font-size: 13px; color: var(--dim); font-family: var(--mono); }
.tabs { display: flex; gap: 4px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.tab { padding: 6px 14px; border-radius: 8px; font-size: 14px; color: var(--muted); position: relative; }
.tab.on { background: var(--surface2); color: var(--text); }
.menu { position: absolute; left: 118px; top: 106px; width: 210px; background: #1b1e2d; border: 1px solid var(--line2); border-radius: 12px; padding: 6px; box-shadow: 0 20px 50px rgba(0, 0, 0, .6); opacity: 0; transform: translateY(-6px) scale(.98); transition: .25s; pointer-events: none; }
.menu.open { opacity: 1; transform: none; }
.mi { padding: 8px 12px; border-radius: 8px; font-size: 14px; color: var(--muted); display: flex; justify-content: space-between; }
.mi.hot { background: rgba(91, 108, 255, .2); color: var(--text); }
.sheet { padding: 16px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; opacity: .9; }
.sheet i { display: block; height: 26px; border-radius: 6px; background: var(--surface2); }
.sheet i:nth-child(7n+1) { background: #1e2336; } .sheet i:nth-child(5n) { background: #14172a; }
.chartbox { position: absolute; right: 24px; top: 130px; width: 38%; height: 38%; border-radius: 12px; border: 1px dashed var(--line2); display: flex; align-items: flex-end; gap: 7%; padding: 16px 18px; opacity: 0; transform: scale(.9); transition: .5s cubic-bezier(.2, .9, .3, 1.2); }
.chartbox.show { opacity: 1; transform: none; }
.chartbox b { flex: 1; background: linear-gradient(180deg, var(--blue), #3340b8); border-radius: 5px 5px 0 0; height: 0; transition: height .8s cubic-bezier(.2, .9, .3, 1); }
.chartbox.show b:nth-child(1) { height: 55%; } .chartbox.show b:nth-child(2) { height: 85%; transition-delay: .1s; } .chartbox.show b:nth-child(3) { height: 40%; transition-delay: .2s; } .chartbox.show b:nth-child(4) { height: 70%; transition-delay: .3s; }
.ring { position: absolute; width: 60px; height: 34px; border-radius: 10px; border: 2.5px solid var(--accent); box-shadow: 0 0 0 0 rgba(255, 210, 63, .55), 0 0 24px rgba(255, 210, 63, .5); opacity: 0; transition: left .9s cubic-bezier(.5, 0, .2, 1), top .9s cubic-bezier(.5, 0, .2, 1), width .6s, height .6s, opacity .3s; pointer-events: none; z-index: 3; }
.ring.on { opacity: 1; animation: ping 1.5s ease-out infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(255, 210, 63, .5), 0 0 24px rgba(255, 210, 63, .5); } 100% { box-shadow: 0 0 0 16px rgba(255, 210, 63, 0), 0 0 24px rgba(255, 210, 63, .5); } }
.cursor { position: absolute; left: 0; top: 0; width: 26px; height: 26px; z-index: 4; transition: transform 1.1s cubic-bezier(.5, 0, .2, 1); filter: drop-shadow(0 4px 8px rgba(0, 0, 0, .6)); pointer-events: none; }
.cursor::after { content: ''; position: absolute; left: -2px; top: -2px; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--accent); opacity: 0; }
.cursor.click::after { animation: clk .5s ease-out; }
@keyframes clk { 0% { transform: scale(.4); opacity: 1; } 100% { transform: scale(3); opacity: 0; } }
.nbar { position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); width: min(560px, 86%); z-index: 5; display: flex; flex-direction: column; gap: 8px; }
.bubble { background: #1b1e2d; border: 1px solid var(--line2); border-radius: 14px; padding: 12px 16px; font-size: 14.5px; box-shadow: 0 16px 40px rgba(0, 0, 0, .5); opacity: 0; transform: translateY(8px); transition: .35s; }
.bubble.show { opacity: 1; transform: none; }
.bubble small { display: block; color: var(--accent); font: 700 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 3px; }
.inputbar { display: flex; align-items: center; gap: 10px; background: #12141d; border: 1px solid var(--line2); border-radius: 14px; padding: 7px 8px 7px 8px; box-shadow: 0 16px 40px rgba(0, 0, 0, .55); }
.seg { display: flex; background: #0a0b11; border-radius: 9px; padding: 2px; font-size: 12.5px; font-weight: 600; }
.seg span { padding: 4px 10px; border-radius: 7px; color: var(--dim); transition: .2s; }
.seg span.on { background: var(--blue); color: #fff; }
.typed { flex: 1; font-size: 14.5px; min-height: 22px; color: var(--text); white-space: nowrap; overflow: hidden; }
.typed::after { content: ''; display: inline-block; width: 2px; height: 1.05em; background: var(--accent); margin-left: 2px; vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.send { width: 30px; height: 30px; border-radius: 8px; background: var(--blue); display: grid; place-items: center; color: #fff; font-size: 13px; }

/* sections */
section { padding: 96px 0; position: relative; }
.eyebrow { font: 700 13px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
h2 { font-size: clamp(30px, 4.4vw, 50px); line-height: 1.08; letter-spacing: -.028em; margin: 0 0 16px; font-weight: 800; max-width: 20ch; }
.sec-lead { color: var(--muted); font-size: 19px; max-width: 620px; margin: 0 0 48px; }
.center { text-align: center; } .center h2, .center .sec-lead { margin-left: auto; margin-right: auto; }
.grid { display: grid; gap: 18px; }
.g3 { grid-template-columns: repeat(3, 1fr); } .g2 { grid-template-columns: repeat(2, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); }
.card { background: linear-gradient(180deg, var(--surface), var(--bg2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden; transition: border-color .3s, transform .3s; }
.card:hover { border-color: var(--line2); transform: translateY(-3px); }
.card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(91, 108, 255, .13), transparent 60%); opacity: 0; transition: opacity .3s; pointer-events: none; }
.card:hover::before { opacity: 1; }
.card h3 { margin: 14px 0 8px; font-size: 20px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(91, 108, 255, .14); border: 1px solid rgba(91, 108, 255, .3); font-size: 22px; }
.ico.y { background: rgba(255, 210, 63, .12); border-color: rgba(255, 210, 63, .3); } .ico.c { background: rgba(56, 225, 255, .1); border-color: rgba(56, 225, 255, .3); } .ico.g { background: rgba(61, 220, 151, .1); border-color: rgba(61, 220, 151, .3); }
.tag { display: inline-block; font: 600 11.5px var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 3px 9px; border-radius: 99px; border: 1px solid var(--line2); color: var(--muted); margin-left: 8px; vertical-align: 3px; }
.tag.pro { color: var(--accent); border-color: rgba(255, 210, 63, .4); }

/* steps */
.step .num { font: 800 54px var(--mono); color: transparent; -webkit-text-stroke: 1.5px var(--line2); line-height: 1; margin-bottom: 8px; }
.kbd { font: 600 13px var(--mono); background: #0a0b11; border: 1px solid var(--line2); border-bottom-width: 2px; border-radius: 7px; padding: 2px 8px; color: var(--text); white-space: nowrap; }

/* marquee */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding: 18px 0; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.track { display: flex; gap: 14px; width: max-content; animation: slide 38s linear infinite; }
.marquee:hover .track { animation-play-state: paused; }
.chip { padding: 8px 18px; border: 1px solid var(--line2); border-radius: 99px; color: var(--muted); font-size: 15px; white-space: nowrap; background: rgba(255, 255, 255, .02); }
@keyframes slide { to { transform: translateX(-50%); } }

/* import visual */
.import { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.srcs { display: grid; gap: 12px; }
.src { display: flex; gap: 14px; align-items: center; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.src .ico { flex: none; width: 40px; height: 40px; font-size: 19px; }
.src b { display: block; } .src span { color: var(--muted); font-size: 15px; }
.checklist { background: #0c0e15; border: 1px solid var(--line2); border-radius: 16px; padding: 22px; font-family: var(--mono); font-size: 14px; box-shadow: 0 30px 70px -30px rgba(91, 108, 255, .4); }
.checklist .h { color: var(--dim); margin-bottom: 12px; }
.ck { display: flex; gap: 10px; padding: 8px 0; color: var(--muted); border-top: 1px dashed var(--line); opacity: 0; transform: translateX(-8px); transition: .5s; }
.in .ck { opacity: 1; transform: none; } .in .ck:nth-of-type(2) { transition-delay: .2s; } .in .ck:nth-of-type(3) { transition-delay: .4s; } .in .ck:nth-of-type(4) { transition-delay: .6s; } .in .ck:nth-of-type(5) { transition-delay: .8s; }
.ck i { color: var(--green); font-style: normal; }
.ck.now { color: var(--text); } .ck.now i { color: var(--accent); }

/* pricing */
.plans { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.plan { display: flex; flex-direction: column; padding: 32px 28px; }
.plan.feat { border-color: rgba(255, 210, 63, .55); background: linear-gradient(180deg, #1a1810, var(--bg2)); box-shadow: 0 0 80px -30px rgba(255, 210, 63, .4); }
.plan .badge { position: absolute; top: 18px; right: 18px; background: var(--accent); color: #1a1500; font: 800 11px var(--mono); letter-spacing: .08em; padding: 4px 10px; border-radius: 99px; }
.plan h3 { margin: 0; font-size: 22px; }
.plan .amt { font-size: 52px; font-weight: 800; letter-spacing: -.03em; margin: 14px 0 4px; line-height: 1; }
.plan .amt small { font-size: 16px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan .for { color: var(--muted); font-size: 15px; margin-bottom: 20px; min-height: 46px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 26px; flex: 1; }
.plan li { padding: 7px 0 7px 28px; position: relative; font-size: 15.5px; color: #cfd2e0; }
.plan li::before { content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.plan li.no { color: var(--dim); } .plan li.no::before { content: '–'; color: var(--dim); }
.credits { margin-top: 24px; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 18px; align-items: stretch; }
.credits .card { padding: 24px; display: flex; flex-direction: column; justify-content: space-between; gap: 14px; }
input[type=text], input[type=email], input[type=password] { background: #0a0b11; color: var(--text); border: 1px solid var(--line2); border-radius: 11px; padding: 12px 14px; font: 15px var(--mono); width: 100%; outline: none; transition: border-color .2s, box-shadow .2s; }
input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(91, 108, 255, .2); }
.msg { font-size: 14px; min-height: 20px; color: var(--muted); } .msg.err { color: var(--red); } .msg.ok { color: var(--green); }
.fine { color: var(--dim); font-size: 14px; }

/* download */
.dl { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; border: 1px solid var(--line2); border-radius: 22px; overflow: hidden; background: linear-gradient(135deg, #14172a, #0b0d14); box-shadow: 0 40px 100px -40px rgba(91, 108, 255, .5); }
.dl > div { padding: 44px; }
.dl .side { background: rgba(255, 255, 255, .02); border-left: 1px solid var(--line); display: flex; flex-direction: column; gap: 16px; justify-content: center; }
.meta { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 14.5px; }
.meta dt { color: var(--dim); } .meta dd { margin: 0; color: var(--text); font-family: var(--mono); word-break: break-all; }
.note { border: 1px solid rgba(255, 210, 63, .35); background: rgba(255, 210, 63, .06); border-radius: 12px; padding: 14px 16px; font-size: 14.5px; color: #e9dba6; }

/* faq */
details { border-bottom: 1px solid var(--line); padding: 4px 0; }
summary { cursor: pointer; padding: 20px 36px 20px 0; font-size: 18px; font-weight: 600; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 4px; top: 16px; font-size: 26px; color: var(--accent); transition: transform .3s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin: 0 0 22px; max-width: 720px; }
.faq { max-width: 820px; margin: 0 auto; }

/* trust + footer */
.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
footer { border-top: 1px solid var(--line); padding: 56px 0 40px; color: var(--muted); font-size: 15px; }
.fgrid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
footer h4 { color: var(--text); margin: 0 0 14px; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; font-family: var(--mono); }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; } footer a { text-decoration: none; } footer a:hover { color: var(--text); }
.legal { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--dim); font-size: 13px; line-height: 1.7; }

/* doc pages */
.doc { max-width: 780px; margin: 0 auto; padding: 64px 22px 90px; }
.doc h1 { font-size: clamp(34px, 5vw, 52px); max-width: none; text-align: left; margin-bottom: 8px; }
.doc h2 { font-size: 24px; margin: 38px 0 10px; max-width: none; letter-spacing: -.01em; }
.doc p, .doc li { color: #c3c7d8; } .doc li { margin: 6px 0; }
.doc .meta-line { color: var(--dim); font-family: var(--mono); font-size: 14px; margin-bottom: 30px; }
.doc table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15.5px; } .doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); } .doc th { color: var(--dim); font: 600 12.5px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.center-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 60px 22px; }
.keyshow { font: 600 20px var(--mono); background: #0a0b11; border: 1px dashed var(--accent); border-radius: 14px; padding: 18px 22px; word-break: break-all; color: var(--accent); }
.tick { width: 74px; height: 74px; border-radius: 50%; background: rgba(61, 220, 151, .12); border: 1px solid rgba(61, 220, 151, .4); color: var(--green); display: grid; place-items: center; font-size: 36px; margin: 0 auto 22px; animation: pop .6s cubic-bezier(.2, 1.4, .4, 1); }
@keyframes pop { from { transform: scale(.3); opacity: 0; } }

/* reveal */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .1s; } .rv.d2 { transition-delay: .2s; } .rv.d3 { transition-delay: .3s; }

@media (max-width: 920px) {
  .g3, .g4, .plans, .credits, .trust { grid-template-columns: 1fr 1fr; }
  .import, .dl { grid-template-columns: 1fr; } .dl .side { border-left: 0; border-top: 1px solid var(--line); }
  .fgrid { grid-template-columns: 1fr 1fr; }
  .stage { transform: none; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav ul { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: rgba(7, 8, 12, .97); padding: 18px 22px; gap: 16px; border-bottom: 1px solid var(--line); }
  .nav ul.open { display: flex; } .menu-btn { display: block; } .nav .btn.sm { display: none; }
  .g2, .g3, .g4, .plans, .credits, .trust { grid-template-columns: 1fr; }
  section { padding: 64px 0; } .hero { padding-top: 44px; } .dl > div { padding: 28px; }
  .menu, .chartbox { display: none; } .stage { aspect-ratio: 16 / 12; }
  .sheet { grid-template-columns: repeat(4, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .rv { opacity: 1; transform: none; } .ck { opacity: 1; transform: none; }
}