:root {
  color-scheme: light dark;
  --desktop:#e6e6e6; --bg: #f9fafb; --surface: #fff; --soft: #eef0f2; --line: #dce0e3;
  --ink: #16191d; --secondary: #505961; --muted: #626d75;
  --signal: #00c77a; --button: #16191d; --button-ink: #fff;
  --shadow: rgba(20, 28, 34, .20); --ease: cubic-bezier(.23,1,.32,1);
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --desktop:#1a1a1a; --bg:#0e1012; --surface:#171a1e; --soft:#202328; --line:#33383e; --ink:#f3f5f6; --secondary:#adb5bd; --muted:#9aa5af; --signal:#00f5a1; --button:#f3f5f6; --button-ink:#16191d; --shadow:rgba(0,0,0,.5); }
}
* { box-sizing:border-box; }
html { scroll-padding-top:24px; }
body { margin:0; background:var(--bg); color:var(--ink); font:400 16px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display",system-ui,sans-serif; -webkit-font-smoothing:antialiased; }
h1,h2,h3,p,figure { margin:0; }
h1,h2,h3 { font-weight:600; text-wrap:balance; }
h1 { font-size:clamp(34px,4.2vw,48px); line-height:1.1; letter-spacing:-.035em; }
h2 { font-size:30px; line-height:1.2; letter-spacing:-.025em; }
h3 { font-size:18px; line-height:1.4; letter-spacing:-.015em; }
p,li,.answer { text-wrap:pretty; }
p { color:var(--secondary); }
p+p { margin-top:16px; }
a { color:inherit; text-underline-offset:4px; }
button { color:inherit; font:inherit; border:0; background:none; cursor:pointer; }
button,a { -webkit-tap-highlight-color:transparent; }
button:active,.cta:active { transform:scale(.97); }
button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible { outline:2px solid var(--signal); outline-offset:5px; }
img { display:block; max-width:100%; height:auto; }
picture { display:block; }
strong { color:var(--ink); font-weight:600; }
.wrap { width:min(1040px,calc(100% - 64px)); margin-inline:auto; }
.nav { min-height:80px; display:flex; justify-content:space-between; align-items:center; gap:20px; border-bottom:1px solid var(--line); }
.brand { display:flex; align-items:center; gap:10px; font-size:18px; font-weight:600; text-decoration:none; letter-spacing:-.02em; }
.brand img { width:32px; height:32px; }
.version { display:inline-flex; align-items:center; gap:6px; margin-left:12px; color:var(--muted); font:11px var(--mono); letter-spacing:.03em; }
.signal-dot { display:inline-block; width:5px; height:5px; border-radius:50%; background:var(--signal); }
.nav nav { display:flex; align-items:center; gap:28px; font-size:13px; }
.nav nav a { text-decoration:none; }
.nav-download { font-weight:500; }
.nav-download span { margin-left:12px; }
.hero { padding:56px 0 36px; text-align:center; }
.hero-copy { max-width:740px; margin:auto; }
.hero-icon { margin:0 auto 24px; }
.hero h1 { max-width:640px; margin:auto; }
.intro { max-width:660px; margin:20px auto 0; font-size:17px; line-height:1.6; }
.cta { display:inline-flex; align-items:center; justify-content:center; gap:24px; min-height:46px; padding:12px 24px; background:var(--button); color:var(--button-ink); border-radius:8px; font-size:14px; font-weight:500; text-decoration:none; transition:transform 160ms var(--ease),opacity 160ms ease; }
.hero .cta { margin-top:26px; }
.metadata { max-width:560px; margin:14px auto 0; color:var(--muted); font-size:12px; line-height:1.5; text-wrap:balance; }
.hero-proof { margin-bottom:96px; }
.replay-stage { position:relative; aspect-ratio:2.45; border:1px solid var(--line); border-radius:16px; overflow:hidden; background:var(--desktop); isolation:isolate; touch-action:pan-y; }
.desktop-scene { position:absolute; width:100%; aspect-ratio:2; top:calc(50% - 22px); left:0; transform:translateY(-50%); }
.desktop-scene>picture { position:absolute; inset:0; pointer-events:none; }
.desktop-scene>picture img { width:100%; height:100%; }
.hero-selection { opacity:0; }
.hero-shot { position:absolute; left:25%; top:20%; width:50%; border-radius:6px; box-shadow:0 14px 32px var(--shadow); transform-origin:center; cursor:grab; touch-action:pan-y; user-select:none; -webkit-user-select:none; }
.hero-shot>picture:first-child img { width:100%; border-radius:6px; }
.hero-shot:active { cursor:grabbing; }
.hero-shot.lifted { box-shadow:0 26px 44px var(--shadow); }
.shot-bar { position:absolute; width:60%; left:20%; top:calc(100% + 8px); pointer-events:none; }
.shot-bar img { width:100%; }
.lift-corner { position:absolute; bottom:0; right:0; width:18px; height:18px; background:linear-gradient(135deg,transparent 45%,var(--line) 48%,var(--surface) 65%); opacity:0; pointer-events:none; }
.lifted .lift-corner { opacity:1; }
.hold-label { position:absolute; right:12px; bottom:12px; padding:5px 9px; background:var(--surface); color:var(--ink); border:1px solid var(--line); border-radius:5px; font:12px/1.5 var(--mono); opacity:0; pointer-events:none; }
.press-cue { position:absolute; left:50%; top:80%; width:26px; height:26px; margin:-13px; border:2px solid var(--secondary); background:var(--surface); border-radius:50%; opacity:0; pointer-events:none; }
.pressing .press-cue,.pressing .hold-label { opacity:1; }
.drop-pane { position:absolute; left:78%; top:32%; width:19%; padding:20px 12px; border:1px dashed var(--secondary); border-radius:8px; background:var(--surface); color:var(--secondary); font:12px/1.6 var(--mono); text-align:center; opacity:0; }
.drop-pane span { color:var(--ink); }
.capture-beam { position:absolute; left:25%; top:20%; width:50%; aspect-ratio:5/3; padding:1px; border-radius:6px; overflow:hidden; mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0); mask-composite:exclude; opacity:0; pointer-events:none; }
.beam-rotor { position:absolute; width:150%; aspect-ratio:1; left:-25%; top:50%; margin-top:-75%; background:conic-gradient(from 0deg,var(--signal) 0deg,transparent 65deg 360deg); }
.replay-stage.is-reduced .hero-shot { outline:1px solid var(--signal); }
.replay-caption { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-top:12px; color:var(--secondary); font-size:12px; }
.replay-state { font-family:var(--mono); }
.replay-caption>div { display:flex; gap:18px; }
.replay-caption button { font-size:13px; min-height:40px; padding:6px; }
.try-caption { font-size:13px; line-height:1.6; margin-top:4px; }
.keyboard-help { font-size:12px; color:var(--muted); margin-top:5px; }
.feature { padding-block:76px; border-top:1px solid var(--line); }
.split { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:64px; align-items:center; }
.feature-label { font-size:13px; line-height:1.5; margin-bottom:18px; color:var(--muted); }
.feature-copy p:not(.feature-label),.secondary-features section>p:not(.feature-label) { margin-top:20px; }
.action-detail { padding:24px 12px; background:var(--soft); border:1px solid var(--line); border-radius:14px; }
.action-detail img { width:100%; }
.loupe-bench { position:relative; overflow:hidden; border-radius:14px; border:1px solid var(--line); background:var(--soft); }
.loupe-bench img { width:100%; }
.loupe-off { position:absolute; inset:0; opacity:0; }
.loupe-bench.is-off .loupe-on { opacity:0; }
.loupe-bench.is-off .loupe-off { opacity:1; }
.loupe-toggle { display:flex; align-items:center; gap:12px; border:1px solid var(--line); border-radius:8px; padding:10px 14px; min-height:46px; margin-top:24px; font-size:13px; background:var(--surface); }
.toggle-state { margin-left:18px; font:12px var(--mono); color:var(--secondary); }
kbd,code { font-family:var(--mono); font-size:.8em; }
kbd { display:inline-block; background:var(--surface); color:var(--ink); border:1px solid var(--line); border-radius:4px; box-shadow:0 1px 0 var(--line); padding:4px 6px; margin:0 1px; line-height:1; white-space:nowrap; }
.chord { white-space:nowrap; }
code { overflow-wrap:anywhere; }
.secondary-features { display:grid; grid-template-columns:1fr 1fr; align-items:start; gap:64px; padding-block:76px 88px; border-top:1px solid var(--line); }
.text-media,.recording-media { display:flex; align-items:center; justify-content:center; height:380px; background:var(--soft); border:1px solid var(--line); border-radius:14px; padding:22px; margin-bottom:30px; overflow:hidden; }
.text-media picture { max-width:100%; height:100%; }
.text-media img { height:100%; width:auto; max-width:100%; object-fit:contain; border-radius:5px; box-shadow:0 4px 16px var(--shadow); }
.recording-media { height:auto; aspect-ratio:1284/1125; padding:0; }
.recording-media img { width:100%; }
.secondary-features h2 { font-size:27px; }
.secondary-features p:not(.feature-label) { font-size:15px; }
.local { border-block:1px solid var(--line); padding-block:60px; }
.local>div { max-width:700px; margin:auto; text-align:center; }
.local p:not(.feature-label) { margin-top:20px; }
.setup { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.6fr); gap:80px; padding-block:88px; }
.setup>h2 { max-width:12em; }
.steps { list-style:none; padding:0; margin:0; }
.steps>li { padding-block:26px; border-top:1px solid var(--line); }
.steps>li:first-child { padding-top:0; border:0; }
.steps h3 { margin-bottom:12px; }
.steps p,.remap { font-size:14px; line-height:1.8; max-width:54ch; }
.steps table { width:100%; border-collapse:collapse; margin-block:20px 24px; font-size:13px; }
.steps td { padding-block:18px; border-block:1px solid var(--line); }
.steps td:first-child { width:116px; }
.remap { padding-left:20px; color:var(--secondary); margin-block:18px 0; }
.remap li+li { margin-top:18px; }
.beta-faq { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.6fr); gap:80px; padding-block:76px; border-top:1px solid var(--line); }
.beta h2 { margin-bottom:24px; }
.beta p { font-size:14px; }
.faq { margin-top:28px; }
details { border-top:1px solid var(--line); }
details:last-child { border-bottom:1px solid var(--line); }
summary { list-style:none; display:flex; justify-content:space-between; align-items:center; gap:24px; padding-block:22px; cursor:pointer; font-size:15px; font-weight:500; line-height:1.5; }
summary::-webkit-details-marker { display:none; }
summary>span { flex:none; font:20px/1 var(--mono); color:var(--muted); }
details[open] summary>span { transform:rotate(45deg); }
.answer { color:var(--secondary); font-size:14px; padding:0 20px 24px 0; }
.closing { display:flex; align-items:center; justify-content:center; gap:32px; padding-block:64px 76px; border-top:1px solid var(--line); }
.closing h2 { font-size:28px; max-width:24ch; margin-bottom:20px; }
footer { padding-block:28px 40px; border-top:1px solid var(--line); color:var(--secondary); font-size:12px; }
.footer-top { display:flex; justify-content:space-between; gap:20px; }
.footer-links { display:flex; gap:24px; }
.hosted { display:inline-block; margin-top:20px; }
footer>p { margin-top:14px; font-size:12px; }
footer em { font-style:normal; }
.skip { position:absolute; top:10px; left:10px; padding:10px; background:var(--surface); transform:translateY(-180%); z-index:5; }
.skip:focus { transform:none; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
@media (hover:hover) and (pointer:fine) { .cta:hover { opacity:.9; } .nav a:hover,button:hover { color:var(--secondary); } }
@media (max-width:800px) {
  .split { gap:32px; } .setup,.beta-faq { gap:40px; }
  h2 { font-size:26px; } .secondary-features { gap:32px; } .text-media { height:300px; padding:14px; }
}
@media (max-width:600px) {
  .wrap { width:calc(100% - 40px); }
  .nav { min-height:72px; } .version { display:none; } .nav nav { gap:18px; } .nav nav a:first-child { display:none; }
  .hero { padding:40px 0 28px; } .hero-icon { width:72px; height:72px; margin-bottom:22px; }
  h1 { font-size:34px; line-height:1.12; } .intro { font-size:16px; margin-top:20px; }
  .metadata { font-size:12px; } .hero .cta { margin-top:24px; } .hero-proof { margin-bottom:56px; }
  .split,.secondary-features,.setup,.beta-faq { grid-template-columns:1fr; gap:28px; }
  .feature { padding-block:52px; } .split>.feature-copy { grid-row:1; }
  .feature-label { font-size:12px; margin-bottom:14px; } h2,.secondary-features h2 { font-size:26px; }
  .feature-copy p:not(.feature-label),.secondary-features section>p:not(.feature-label) { margin-top:16px; font-size:15px; }
  .secondary-features { padding-block:52px; gap:52px; } .text-media,.recording-media { height:auto; padding:20px; margin-bottom:26px; }
  .text-media picture { height:auto; width:100%; } .text-media img { width:100%; height:auto; } .recording-media { height:auto; aspect-ratio:1284/1125; padding:0; }
  .local { padding-block:44px; } .local>div { text-align:left; } .local p:not(.feature-label) { font-size:15px; }
  .setup,.beta-faq { padding-block:56px; } .setup>h2 { max-width:14em; } .steps h3 { font-size:17px; }
  .steps p,.remap,.beta p,.answer { font-size:14px; } .steps td { font-size:12px; } .beta-faq { gap:48px; }
  summary { font-size:14px; gap:18px; } .answer { padding-right:0; }
  .closing { align-items:flex-start; gap:20px; padding-block:44px 52px; } .closing>img { width:56px; height:56px; }
  .closing h2 { font-size:23px; max-width:14em; } .closing .cta { font-size:12px; gap:12px; padding:12px 16px; }
  .footer-top { flex-direction:column; gap:14px; } .footer-links { gap:24px; }
  .replay-caption { gap:10px; align-items:flex-start; } .replay-state { padding-top:8px; font-size:11px; max-width:25ch; }
  .replay-caption>div { gap:6px; } .replay-caption button { font-size:12px; }
  .try-caption { font-size:12px; } .keyboard-help { font-size:12px; }
}
@media (max-width:480px) {
  .replay-stage { aspect-ratio:1.2; }
  .desktop-scene { inset:auto; width:180%; height:auto; aspect-ratio:2; left:-40%; top:calc(50% - 18px); }
  .desktop-scene>picture img { object-fit:fill; }

  .drop-pane { left:56%; top:65%; width:20%; padding:8px; font-size:11px; }
  .hold-label { font-size:11px; padding:3px 6px; right:8px; bottom:8px; }
}
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; transition:none!important; } }
@media (prefers-contrast:more) { :root { --line:var(--secondary); --muted:var(--secondary); } }