:root {
  color-scheme: light;
  --paper: #faf9f6;
  --paper-deep: #efede6;
  --ink: #29271f;
  --muted: #68665d;
  --line: #d9d5c9;
  --brass: #b5964e;
  --movement-blue: #a9d7ed;
  --green: #647769;
  --mono: 'IBM Plex Mono', monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: 'IBM Plex Sans', sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.12; font-weight: 500; letter-spacing: -.045em; }
h1 { font-size: clamp(42px, 4.4vw, 65px); }
h2 { font-size: clamp(34px, 3.3vw, 47px); }
h3 { font-size: 25px; letter-spacing: -.025em; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { text-decoration-color: var(--brass); }
button, input { font: inherit; }
button, summary { cursor: pointer; }
button { color: inherit; }
button:disabled, input:disabled { cursor: wait; opacity: .5; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid #9a752c; outline-offset: 6px; }
img { display: block; width: 100%; height: auto; }
svg { display: block; width: 100%; }
.mono, .eyebrow, figcaption, .range-ends, .control output { font-family: var(--mono); }
.eyebrow { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .12em; }
.small { font-size: 12px; line-height: 1.65; color: var(--muted); }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 11; padding: 12px; background: var(--paper); }
.skip-link:focus { top: 10px; }
.sleep-hero-shell { position: relative; isolation: isolate; }
.sleep-hero-shell::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(315deg, rgba(0, 0, 0, .03) 0px, rgba(0, 0, 0, .03) 2px, transparent 2px, transparent 6px),
    linear-gradient(90deg, rgba(250, 249, 246, .96) 0%, rgba(240, 237, 231, .45) 58%, rgba(240, 237, 231, .08) 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 18%, #000 82%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 18%, #000 82%, transparent 100%);
}
.hero { padding-top: 30px; padding-bottom: 48px; }
.hero-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.divider { padding-inline: 10px; color: var(--brass); }
.status { display: inline-flex; gap: 8px; align-items: center; font: 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.status i, .status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--green); margin-right: 3px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 34px; }
.hero-copy { padding-block: 25px; }
.intro { font-size: 20px; line-height: 1.5; margin-top: 27px; }
.hero-description { max-width: 390px; margin-top: 18px; color: var(--muted); font-size: 15px; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; margin-top: 28px; }
.button { min-height: 46px; display: inline-flex; justify-content: center; align-items: center; gap: 12px; padding: 12px 20px; border: 1px solid transparent; border-radius: 3px; font-weight: 500; font-size: 13px; text-decoration: none; transition: background .15s, border-color .15s; }
.primary { color: var(--paper); background: var(--ink); }
.primary:hover { background: #474238; }
.primary .play-icon { color: var(--brass); }
.text-link { font: 11px var(--mono); text-decoration: none; }
.hero-footnote { color: var(--muted); font-size: 10px; margin-top: 29px; }
.hero-figure img { aspect-ratio: 1; object-fit: cover; border-radius: 3px; }
figcaption { display: flex; justify-content: space-between; gap: 12px; font-size: 9px; color: var(--muted); margin-top: 12px; }
.listen-section { padding-block: 76px; }
.section-heading { display: grid; grid-template-columns: 1.1fr 1fr; gap: 70px; align-items: end; margin-bottom: 36px; }
.section-heading > p { max-width: 405px; color: var(--muted); font-size: 15px; }
.instrument {
  --signal: var(--brass);
  --console-recess: #211f19;
  --console-panel: #353229;
  --console-raised: #403c32;
  --console-border: #514c40;
  --console-muted: #bab4a6;
  --console-brass-hover: #c5aa6d; color: var(--paper-deep); background: var(--ink); border: 1px solid var(--console-border); border-radius: 4px; padding: 20px 24px 0; }
.instrument-head { display: flex; gap: 15px; align-items: center; justify-content: space-between; margin: -20px -24px 0; padding: 14px 18px; background: var(--console-panel); border-left: 3px solid var(--signal); border-bottom: 1px solid var(--console-recess); font-size: 10px; letter-spacing: .06em; }
.instrument-status { color: var(--console-muted); font-size: 9px; letter-spacing: .02em; }
.instrument-status.playing { color: var(--signal); }
.plot-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-top: 20px; gap: 14px; }
.control-overlay-label { display: inline-flex; align-items: center; gap: 7px; min-height: 28px; font: 10px var(--mono); color: var(--movement-blue); }
.control-overlay-label::before { content: ''; width: 16px; border-top: 2px dashed currentColor; }
.movement-band-line { fill: none; stroke: var(--movement-blue); stroke-width: 1.5; stroke-dasharray: 5 3; opacity: .8; stroke-linejoin: round; }
.movement-band-fill { fill: var(--movement-blue); opacity: .09; }
.movement-zero { fill: none; stroke: var(--movement-blue); stroke-width: 1; stroke-dasharray: 3 5; opacity: .3; }
.movement-band-label { fill: var(--movement-blue); font: 12px var(--mono); text-anchor: middle; }
.plot-header .eyebrow { font-size: 9px; color: var(--line); }
.plot-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font: 9px var(--mono); color: var(--signal); }
.plot-legend i, .legend-dot { display: inline-block; height: 6px; width: 6px; border-radius: 50%; background: #c1a161; margin-right: 7px; }
.dim { color: var(--console-muted); }
.response-plot { margin-block: 12px 20px; background: var(--console-recess); border: 1px solid var(--console-border); border-radius: 2px; }
.plot-grid { fill: none; stroke: #d0ccc0; stroke-width: 1; }
.instrument .plot-grid { stroke: var(--console-panel); }
.axis-text { fill: #716f65; font-family: var(--mono); font-size: 11px; }
.instrument .axis-text { fill: var(--console-muted); }
.response-line { fill: none; stroke: #a3843f; stroke-width: 2.6; stroke-linejoin: round; }
.instrument .response-line { stroke: var(--signal); stroke-width: 2.2; }
.noise-fill { fill: var(--line); opacity: .14; }
.noise-line { fill: none; stroke: var(--line); stroke-width: 1.2; opacity: .4; stroke-linejoin: round; }
.plot-legend .noise-legend { color: var(--line); }
.instrument .plot-legend i { background: var(--signal); }
.instrument .noise-legend i { background: var(--line); opacity: .6; }
.dial:focus { outline: none; }
.dial:focus .dial-progress { stroke: var(--movement-blue); }
.dial[aria-disabled="true"] { opacity: .5; cursor: wait; }
.controls { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--console-recess); background: var(--console-recess); padding: 0; }
.control { min-width: 0; padding: 16px 18px; background: var(--console-panel); }
.control-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.control-label { font-size: 11px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.control output { min-width: 42px; padding: 2px 5px; border: 1px solid var(--console-border); background: var(--ink); border-radius: 2px; font-size: 11px; font-variant-numeric: tabular-nums; text-align: right; color: var(--signal); }
.dial { position: relative; width: 84px; height: 84px; margin: 18px auto 10px; border: 0; border-radius: 50%; background: transparent; cursor: ns-resize; touch-action: none; user-select: none; }
.dial-scale { width: 100%; height: 100%; pointer-events: none; }
.dial-face { fill: var(--console-raised); }
.dial-track, .dial-progress { fill: none; stroke-width: 4; stroke-linecap: round; }
.dial-track { stroke: var(--muted); }
.dial-progress { stroke: var(--signal); stroke-dasharray: var(--amount, 0) 100; }
.dial:hover .dial-face { fill: var(--console-border); }
.dial span { position: absolute; inset: 21%; display: block; transform: rotate(var(--rotation, 0deg)); pointer-events: none; }
.dial span::before { content: ""; position: absolute; width: 2px; height: 13px; background: var(--paper); left: calc(50% - 1px); top: 3px; }
.volume-control { background: var(--console-panel); }
.range-ends { display: flex; justify-content: space-between; font-size: 8px; color: var(--console-muted); }
.control > p { color: var(--console-muted); font-size: 11px; line-height: 1.55; margin-top: 12px; }
.transport { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; padding: 16px 0; }
.transport-play { background: var(--signal); color: var(--ink); min-width: 150px; min-height: 40px; border-radius: 2px; font-size: 12px; }
.transport-play:hover { background: var(--console-brass-hover); }
.instrument button:focus-visible { outline-color: var(--signal); }
.transport > span { font-size: 9px; color: var(--console-muted); margin-left: auto; }
.model-caption { max-width: 640px; margin-top: 22px; font-size: 11px; color: var(--muted); }
.model-caption strong { color: var(--ink); font-weight: 500; }
summary { font-size: 12px; color: var(--ink); padding: 5px 0; }
details p { margin-top: 14px; }
details a { display: inline-block; margin-top: 12px; }
.circuit-section { padding-block: 76px; border-block: 1px solid var(--line); background: var(--paper-deep); }
.signal-flow { --movement-blue: #397b99; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.signal-stage { min-width: 0; padding: 22px; text-align: left; background: transparent; border: 0; border-right: 1px solid var(--line); position: relative; }
.signal-stage:last-child { border-right: 0; }
.signal-stage[aria-pressed='true'] { background: #e5e0d0; box-shadow: inset 0 -3px var(--brass); }
.signal-stage:hover { background: #e7e3d8; }
.signal-stage:focus-visible { outline-color: var(--movement-blue); outline-offset: -5px; }
.signal-stage .mono { display: block; font-size: 8px; letter-spacing: .08em; color: var(--muted); }
.signal-stage svg { height: 42px; max-width: 105px; margin-block: 25px; color: var(--movement-blue); }
.signal-stage path { stroke: currentColor; fill: none; stroke-width: 2; }
.signal-stage .movement-bell-gold { stroke: var(--brass); }
.signal-stage strong { display: block; font-size: 17px; font-weight: 500; }
.signal-stage small { display: block; font-size: 10px; color: var(--muted); margin-top: 3px; }
.stage-detail { display: grid; grid-template-columns: .85fr 1.15fr; gap: 60px; padding: 32px 0; min-height: 150px; }
.stage-detail h3 { max-width: 290px; margin-top: 12px; }
.stage-detail p:not(.eyebrow) { font-size: 14px; color: var(--muted); }
.circuit-notes { margin-top: 16px; }
.circuit-notes[hidden] { display: none; }
.stage-detail .circuit-notes p { margin: 0; font-size: 11px; line-height: 1.8; color: var(--muted); }
.notice { margin-top: 20px; }
.build-section { padding-block: 80px; }
.build-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px 30px; }
.build-note { min-width: 0; border-top: 1px solid var(--line); padding-top: 15px; }
.build-visual { width: 100%; min-height: 240px; aspect-ratio: 1.72; object-fit: cover; border-radius: 3px; overflow: hidden; }
.build-visual.bitwig-study { object-fit: contain; background: #1e1e1e; }
.build-visual.enclosure-study { object-fit: contain; background: #2e3440; }
.build-copy { padding: 23px 2px 0; }
.build-copy .eyebrow { color: var(--muted); font-size: 10px; margin-bottom: 12px; }
.build-copy > p:not(.eyebrow) { margin-top: 14px; font-size: 14px; color: var(--muted); }
.build-board { position: relative; display: block; }
.build-board > span { position: absolute; right: 12px; bottom: 12px; background: var(--paper); padding: 6px 10px; font-size: 9px; }
.details-section { padding-block: 76px; background: var(--paper-deep); border-top: 1px solid var(--line); }
.product-details { max-width: 32rem; margin-inline: auto; }
.product-details h2 { margin-top: 8px; }
.spec-list { margin: 30px 0 0; }
.spec-list > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); align-items: baseline; gap: 20px; padding-block: 12px; border-bottom: 1px dashed var(--line); font-size: 15px; }
.spec-list dt { color: var(--muted); }
.spec-list dd { margin: 0; font-family: var(--mono); font-size: 14px; font-weight: 500; text-align: right; }
.follow-section { background: #e8e4d8; border-block: 1px solid var(--line); padding-block: 70px; }
.follow-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; }
.follow-grid > div > p:not(.eyebrow) { max-width: 415px; margin-top: 22px; color: var(--muted); font-size: 14px; }
.follow-grid > div { min-width: 0; }
.follow-grid .tally-embed { margin-top: 25px; }
.tally-embed iframe { width: 100%; border: none; display: block; }
.follow-grid > div > p.small { font-size: 10px; margin-top: 15px; }
.development-note { padding-left: 30px; border-left: 1px solid #ccc5b4; }
.development-note p:not(.eyebrow) { font-size: 12px; margin-top: 20px; color: var(--muted); }
.development-note p.small { font-size: 9px; }
@media (min-width: 1500px) { .hero { padding-block: 38px 58px; } }
@media (max-width: 950px) {
  h1 { font-size: 43px; }
  .hero-grid { gap: 25px; }
  .hero-description { font-size: 13px; }
  .hero-footnote { font-size: 9px; }
  .actions { gap: 15px; }
  .section-heading { gap: 35px; }
  .control { padding-inline: 12px; }
  .signal-stage { padding: 16px 12px; }
  .signal-stage .mono { font-size: 7px; }
}
@media (max-width: 700px) {
  .build-section, .details-section { padding-block: 52px; }
  .spec-list > div { gap: 14px; font-size: 13px; }
  .spec-list dd { font-size: 12px; }
  .build-grid { grid-template-columns: 1fr; gap: 35px; }
  .build-visual { aspect-ratio: 1.35; }
  .follow-section { padding-block: 50px; }
  .follow-grid { grid-template-columns: 1fr; gap: 35px; }
  .development-note { padding: 25px 0 0; border-left: 0; border-top: 1px solid #ccc5b4; }
  .hero { padding-top: 22px; padding-bottom: 30px; }
  .hero-top { margin-bottom: 10px; }
  .hero-top .eyebrow { font-size: 9px; }
  .status { font-size: 8px; }
  .hero-grid { grid-template-columns: 1fr; gap: 25px; }
  h1 { font-size: clamp(39px, 8.5vw, 58px); }
  .hero-copy { padding-block: 18px 0; }
  .intro { font-size: 18px; margin-top: 22px; }
  .hero-description { font-size: 14px; max-width: 440px; }
  .hero-footnote { margin-top: 22px; }
  .hero-figure img { aspect-ratio: 1.23; }
  .listen-section, .circuit-section { padding-block: 52px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 26px; }
  .section-heading > p { font-size: 14px; }
  .instrument { padding: 16px 14px 0; }
  .instrument-head { align-items: start; font-size: 8px; gap: 8px; margin: -16px -14px 0; padding: 12px; }
  .instrument-status { font-size: 8px; text-align: right; max-width: 145px; }
  .plot-header { align-items: flex-start; flex-direction: column; gap: 10px; }
  .plot-header .eyebrow, .plot-legend { font-size: 8px; }
  .response-plot { margin-bottom: 12px; }
  .controls { grid-template-columns: 1fr 1fr; }
  .control > p { font-size: 10px; margin-top: 10px; }
  .control { padding: 14px 12px; }
  .dial { width: 76px; height: 76px; margin-block: 14px 8px; }
  .transport { gap: 18px; padding-block: 18px; }
  .transport > span { width: 100%; margin: 0; font-size: 8px; }
  .model-caption { margin-top: 16px; }
  .signal-flow { grid-template-columns: 1fr; }
  .signal-stage { display: grid; grid-template-columns: 34px 1fr 1.5fr; align-items: center; gap: 16px; padding: 16px; border-right: 0; border-bottom: 1px solid var(--line); }
  .signal-stage:last-child { border-bottom: 0; }
  .signal-stage .mono { display: none; }
  .signal-stage svg { margin: 0; height: 24px; }
  .signal-stage strong { font-size: 15px; }
  .signal-stage small { font-size: 10px; margin: 0; text-align: right; }
  .signal-stage[aria-pressed='true'] { box-shadow: inset 3px 0 var(--brass); }
  .stage-detail { grid-template-columns: 1fr; gap: 20px; padding-block: 25px; min-height: 0; }
  .stage-detail h3 { max-width: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; } }